x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x1e000000, 0x0, 0x0, 0x0) 03:37:08 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x60}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:08 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x60000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 391.714852][T18269] FAT-fs (loop1): bogus number of reserved sectors [ 391.721418][T18269] FAT-fs (loop1): This looks like a DOS 1.x volume, but isn't a recognized floppy size (6 sectors) [ 391.732098][T18269] FAT-fs (loop1): Can't find a valid FAT filesystem [ 391.762539][T18280] loop4: detected capacity change from 0 to 6 [ 391.786289][T18289] loop0: detected capacity change from 0 to 264192 [ 391.793468][T18280] FAT-fs (loop4): bogus number of reserved sectors [ 391.800003][T18280] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code 03:37:08 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0xff0f000000000000, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 391.809122][T18280] FAT-fs (loop4): Can't find a valid FAT filesystem 03:37:08 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x1f000000, 0x0, 0x0, 0x0) [ 391.852599][T18289] FAT-fs (loop0): bogus number of reserved sectors [ 391.855075][T18300] FAT-fs (loop5): bogus number of reserved sectors [ 391.859159][T18289] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 391.859175][T18289] FAT-fs (loop0): Can't find a valid FAT filesystem [ 391.868897][T18303] loop3: detected capacity change from 0 to 6 [ 391.874941][T18300] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code 03:37:08 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x39f, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 391.895209][T18303] FAT-fs (loop3): bogus number of reserved sectors [ 391.896667][T18300] FAT-fs (loop5): Can't find a valid FAT filesystem [ 391.909772][T18303] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 391.917170][T18308] loop1: detected capacity change from 0 to 6 [ 391.918941][T18303] FAT-fs (loop3): Can't find a valid FAT filesystem [ 391.933880][T18308] FAT-fs (loop1): bogus number of reserved sectors [ 391.940411][T18308] FAT-fs (loop1): This looks like a DOS 1.x volume, but isn't a recognized floppy size (6 sectors) 03:37:08 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x66030000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 391.951105][T18308] FAT-fs (loop1): Can't find a valid FAT filesystem 03:37:08 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x3a0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:08 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0xfffdffff00000000, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:08 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x68}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:08 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x20000000, 0x0, 0x0, 0x0) [ 392.021132][T18335] loop1: detected capacity change from 0 to 6 [ 392.021192][T18333] loop0: detected capacity change from 0 to 264192 [ 392.029445][T18337] FAT-fs (loop5): bogus number of reserved sectors [ 392.040265][T18337] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 392.049399][T18337] FAT-fs (loop5): Can't find a valid FAT filesystem [ 392.060748][T18303] loop3: detected capacity change from 0 to 6 03:37:08 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x3a1, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 392.070011][T18303] FAT-fs (loop3): bogus number of reserved sectors [ 392.076538][T18303] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 392.085728][T18303] FAT-fs (loop3): Can't find a valid FAT filesystem [ 392.086817][T18348] loop4: detected capacity change from 0 to 6 [ 392.103183][T18333] FAT-fs (loop0): bogus number of reserved sectors [ 392.109745][T18333] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code 03:37:08 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x3}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:08 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x21000000, 0x0, 0x0, 0x0) [ 392.118866][T18333] FAT-fs (loop0): Can't find a valid FAT filesystem [ 392.128558][T18348] FAT-fs (loop4): bogus number of reserved sectors [ 392.135142][T18348] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 392.144262][T18348] FAT-fs (loop4): Can't find a valid FAT filesystem 03:37:08 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0xffffff7f00000000, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:08 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x67030000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 392.188863][T18366] loop1: detected capacity change from 0 to 6 [ 392.226097][T18372] loop3: detected capacity change from 0 to 6 03:37:08 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x3a2, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:08 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x6c}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:08 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x22000000, 0x0, 0x0, 0x0) [ 392.256538][T18384] FAT-fs (loop5): bogus number of reserved sectors [ 392.263084][T18384] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 392.272213][T18384] FAT-fs (loop5): Can't find a valid FAT filesystem [ 392.288208][T18387] loop0: detected capacity change from 0 to 264192 [ 392.293229][T18372] FAT-fs (loop3): bogus number of reserved sectors [ 392.301337][T18372] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 392.305767][T18393] loop1: detected capacity change from 0 to 6 [ 392.310447][T18372] FAT-fs (loop3): Can't find a valid FAT filesystem [ 392.323858][T18394] loop4: detected capacity change from 0 to 6 [ 392.331846][T18394] FAT-fs (loop4): bogus number of reserved sectors [ 392.338377][T18394] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 392.341110][T18372] loop3: detected capacity change from 0 to 6 03:37:09 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0xffffffff00000000, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 392.347486][T18394] FAT-fs (loop4): Can't find a valid FAT filesystem [ 392.359052][T18387] FAT-fs (loop0): bogus number of reserved sectors [ 392.363377][T18372] FAT-fs (loop3): bogus number of reserved sectors [ 392.366714][T18387] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 392.373227][T18372] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 392.382421][T18387] FAT-fs (loop0): Can't find a valid FAT filesystem [ 392.391502][T18372] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:09 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x4}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 392.416896][T18407] FAT-fs (loop5): bogus number of reserved sectors [ 392.423454][T18407] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 392.433525][T18407] FAT-fs (loop5): Can't find a valid FAT filesystem 03:37:09 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x74}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:09 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x3a3, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 392.503093][T18423] loop3: detected capacity change from 0 to 6 [ 392.505447][T18425] loop4: detected capacity change from 0 to 6 [ 392.524615][T18423] FAT-fs (loop3): bogus number of reserved sectors [ 392.531171][T18423] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 392.539987][T18425] FAT-fs (loop4): bogus number of reserved sectors [ 392.540306][T18423] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:09 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x68000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:09 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0xffffffffffff0700, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 392.546769][T18425] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 392.562458][T18425] FAT-fs (loop4): Can't find a valid FAT filesystem [ 392.564127][T18429] loop1: detected capacity change from 0 to 6 [ 392.582322][T18435] loop0: detected capacity change from 0 to 264192 03:37:09 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x3a4, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:09 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x23000000, 0x0, 0x0, 0x0) [ 392.638031][T18435] FAT-fs (loop0): bogus number of reserved sectors [ 392.644606][T18435] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 392.653755][T18435] FAT-fs (loop0): Can't find a valid FAT filesystem [ 392.655394][T18446] loop1: detected capacity change from 0 to 6 03:37:09 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x7a}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 392.684558][T18423] loop3: detected capacity change from 0 to 6 [ 392.693120][T18447] FAT-fs (loop5): bogus number of reserved sectors [ 392.699677][T18447] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 392.708786][T18447] FAT-fs (loop5): Can't find a valid FAT filesystem [ 392.716581][T18423] FAT-fs (loop3): bogus number of reserved sectors [ 392.723139][T18423] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 392.732336][T18423] FAT-fs (loop3): Can't find a valid FAT filesystem [ 392.743615][T18461] loop4: detected capacity change from 0 to 6 03:37:09 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x5}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:09 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x3a5, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 392.780692][T18461] FAT-fs (loop4): bogus number of reserved sectors [ 392.787225][T18461] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 392.796357][T18461] FAT-fs (loop4): Can't find a valid FAT filesystem 03:37:09 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x6c000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:09 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x24000000, 0x0, 0x0, 0x0) 03:37:09 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0xffffffffffffff7f, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 392.828754][T18476] loop1: detected capacity change from 0 to 6 [ 392.857936][T18478] loop3: detected capacity change from 0 to 6 [ 392.866555][T18488] FAT-fs (loop5): bogus number of reserved sectors 03:37:09 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0xff8f0000, 0x0, 0x0, 0x0) 03:37:09 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x2, 0x0, 0x0) [ 392.873126][T18488] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 392.882664][T18488] FAT-fs (loop5): Can't find a valid FAT filesystem [ 392.883945][T18478] FAT-fs (loop3): bogus number of reserved sectors [ 392.895757][T18478] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 392.904953][T18478] FAT-fs (loop3): Can't find a valid FAT filesystem [ 392.915073][T18491] loop0: detected capacity change from 0 to 208896 03:37:09 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xfe}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:09 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x3a6, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 392.925147][T18491] FAT-fs (loop0): bogus number of reserved sectors [ 392.932135][T18491] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 392.941263][T18491] FAT-fs (loop0): Can't find a valid FAT filesystem 03:37:09 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x74000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:09 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0xfffffffffffffffe, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:09 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x3, 0x0, 0x0) [ 392.980918][T18516] loop1: detected capacity change from 0 to 6 [ 392.985386][T18478] loop3: detected capacity change from 0 to 6 [ 393.008116][T18478] FAT-fs (loop3): bogus number of reserved sectors [ 393.014768][T18478] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 393.023981][T18478] FAT-fs (loop3): Can't find a valid FAT filesystem [ 393.031470][T18520] loop4: detected capacity change from 0 to 6 [ 393.042012][T18520] FAT-fs (loop4): bogus number of reserved sectors [ 393.048564][T18520] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 393.057672][T18520] FAT-fs (loop4): Can't find a valid FAT filesystem [ 393.063528][T18530] FAT-fs (loop5): bogus number of reserved sectors [ 393.070797][T18530] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code 03:37:09 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x4, 0x0, 0x0) 03:37:09 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x6}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:09 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x402, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 393.078013][T18534] loop0: detected capacity change from 0 to 204800 [ 393.079922][T18530] FAT-fs (loop5): Can't find a valid FAT filesystem [ 393.096539][T18534] FAT-fs (loop0): bogus number of reserved sectors [ 393.103112][T18534] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 393.112234][T18534] FAT-fs (loop0): Can't find a valid FAT filesystem 03:37:09 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x10e}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:09 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0xffffffffffffffff, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 393.193452][T18558] loop1: detected capacity change from 0 to 6 [ 393.195271][T18560] loop3: detected capacity change from 0 to 6 [ 393.213775][T18561] loop4: detected capacity change from 0 to 6 [ 393.220447][T18558] FAT-fs (loop1): bogus number of reserved sectors [ 393.226955][T18558] FAT-fs (loop1): This looks like a DOS 1.x volume, but isn't a recognized floppy size (6 sectors) 03:37:09 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x7a000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 393.237691][T18558] FAT-fs (loop1): Can't find a valid FAT filesystem [ 393.260388][T18560] FAT-fs (loop3): bogus number of reserved sectors [ 393.266020][T18561] FAT-fs (loop4): bogus number of reserved sectors [ 393.266920][T18560] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 393.273421][T18561] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code 03:37:09 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x5, 0x0, 0x0) [ 393.282518][T18560] FAT-fs (loop3): Can't find a valid FAT filesystem [ 393.291611][T18561] FAT-fs (loop4): Can't find a valid FAT filesystem [ 393.294772][T18574] loop0: detected capacity change from 0 to 69632 [ 393.311864][T18571] FAT-fs (loop5): bogus number of reserved sectors [ 393.318417][T18571] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 393.327520][T18571] FAT-fs (loop5): Can't find a valid FAT filesystem [ 393.336789][T18574] FAT-fs (loop0): bogus number of reserved sectors 03:37:10 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x6, 0x0, 0x0) [ 393.343328][T18574] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 393.352460][T18574] FAT-fs (loop0): Can't find a valid FAT filesystem 03:37:10 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x300}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:10 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x204}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 393.386891][T18560] loop3: detected capacity change from 0 to 6 [ 393.402161][T18560] FAT-fs (loop3): bogus number of reserved sectors [ 393.408735][T18560] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 393.417841][T18560] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:10 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x406, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:10 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x85ffffff}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 393.436337][T18600] loop5: detected capacity change from 0 to 3 [ 393.452714][T18601] loop4: detected capacity change from 0 to 6 [ 393.473679][T18600] FAT-fs (loop5): bogus number of reserved sectors [ 393.480246][T18600] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 393.483602][T18611] loop1: detected capacity change from 0 to 6 [ 393.489382][T18600] FAT-fs (loop5): Can't find a valid FAT filesystem [ 393.506440][T18611] FAT-fs (loop1): bogus number of reserved sectors [ 393.511115][T18601] FAT-fs (loop4): bogus number of reserved sectors [ 393.512962][T18611] FAT-fs (loop1): This looks like a DOS 1.x volume, but isn't a recognized floppy size (6 sectors) 03:37:10 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x7}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:10 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x7, 0x0, 0x0) [ 393.519485][T18601] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 393.530186][T18611] FAT-fs (loop1): Can't find a valid FAT filesystem [ 393.539306][T18601] FAT-fs (loop4): Can't find a valid FAT filesystem [ 393.558922][T18618] loop0: detected capacity change from 0 to 264192 [ 393.568939][T18621] loop3: detected capacity change from 0 to 6 [ 393.576144][T18618] FAT-fs (loop0): bogus number of reserved sectors 03:37:10 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x8, 0x0, 0x0) 03:37:10 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x500}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 393.582669][T18618] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 393.591896][T18618] FAT-fs (loop0): Can't find a valid FAT filesystem [ 393.608406][T18621] FAT-fs (loop3): bogus number of reserved sectors [ 393.614921][T18621] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 393.624060][T18621] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:10 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x300}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:10 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x9, 0x0, 0x0) [ 393.703790][T18648] loop5: detected capacity change from 0 to 5 [ 393.720283][T18621] loop3: detected capacity change from 0 to 6 [ 393.726835][T18621] FAT-fs (loop3): bogus number of reserved sectors [ 393.733380][T18621] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 393.742645][T18621] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:10 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x500, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 393.752551][T18658] loop4: detected capacity change from 0 to 6 [ 393.768451][T18658] FAT-fs (loop4): bogus number of reserved sectors [ 393.771293][T18648] FAT-fs (loop5): bogus number of reserved sectors [ 393.774964][T18658] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 393.781451][T18648] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code 03:37:10 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x8}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 393.790644][T18658] FAT-fs (loop4): Can't find a valid FAT filesystem [ 393.796294][T18664] loop1: detected capacity change from 0 to 6 [ 393.799756][T18648] FAT-fs (loop5): Can't find a valid FAT filesystem 03:37:10 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x602}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 393.845725][T18675] loop3: detected capacity change from 0 to 6 [ 393.854038][T18664] FAT-fs (loop1): bogus number of reserved sectors [ 393.860595][T18664] FAT-fs (loop1): This looks like a DOS 1.x volume, but isn't a recognized floppy size (6 sectors) [ 393.871286][T18664] FAT-fs (loop1): Can't find a valid FAT filesystem [ 393.880361][T18675] FAT-fs (loop3): bogus number of reserved sectors [ 393.886878][T18675] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code 03:37:10 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x8cffffff}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:10 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x387}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:10 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0xa, 0x0, 0x0) [ 393.896037][T18675] FAT-fs (loop3): Can't find a valid FAT filesystem [ 393.922021][T18683] loop5: detected capacity change from 0 to 6 [ 393.925204][T18685] loop0: detected capacity change from 0 to 258047 [ 393.942430][T18683] FAT-fs (loop5): bogus number of reserved sectors [ 393.949065][T18683] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 393.958265][T18683] FAT-fs (loop5): Can't find a valid FAT filesystem [ 393.961373][T18691] loop4: detected capacity change from 0 to 6 [ 393.976317][T18685] FAT-fs (loop0): bogus number of reserved sectors [ 393.982941][T18685] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code 03:37:10 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x600, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 393.992058][T18685] FAT-fs (loop0): Can't find a valid FAT filesystem [ 394.005150][T18691] FAT-fs (loop4): bogus number of reserved sectors [ 394.011680][T18691] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 394.020799][T18691] FAT-fs (loop4): Can't find a valid FAT filesystem [ 394.030132][T18675] loop3: detected capacity change from 0 to 6 03:37:10 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0xb, 0x0, 0x0) 03:37:10 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x603}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 394.040822][T18675] FAT-fs (loop3): bogus number of reserved sectors [ 394.047331][T18675] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 394.056463][T18675] FAT-fs (loop3): Can't find a valid FAT filesystem [ 394.076314][T18713] loop1: detected capacity change from 0 to 6 03:37:10 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x3cf}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 394.099924][T18713] FAT-fs (loop1): bogus number of reserved sectors [ 394.106447][T18713] FAT-fs (loop1): This looks like a DOS 1.x volume, but isn't a recognized floppy size (6 sectors) [ 394.117186][T18713] FAT-fs (loop1): Can't find a valid FAT filesystem 03:37:10 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0xc, 0x0, 0x0) [ 394.140347][T18726] loop5: detected capacity change from 0 to 6 [ 394.141978][T18731] loop4: detected capacity change from 0 to 6 [ 394.153149][T18726] FAT-fs (loop5): bogus number of reserved sectors [ 394.159695][T18726] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 394.168815][T18726] FAT-fs (loop5): Can't find a valid FAT filesystem 03:37:10 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0xd, 0x0, 0x0) 03:37:10 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x604, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:10 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x8e030000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:10 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x9}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 394.205746][T18731] FAT-fs (loop4): bogus number of reserved sectors [ 394.212296][T18731] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 394.221415][T18731] FAT-fs (loop4): Can't find a valid FAT filesystem [ 394.256247][T18752] loop1: detected capacity change from 0 to 6 [ 394.263358][T18754] loop0: detected capacity change from 0 to 264192 [ 394.273849][T18752] FAT-fs (loop1): bogus number of reserved sectors [ 394.280409][T18752] FAT-fs (loop1): This looks like a DOS 1.x volume, but isn't a recognized floppy size (6 sectors) [ 394.284346][T18755] loop3: detected capacity change from 0 to 6 [ 394.291083][T18752] FAT-fs (loop1): Can't find a valid FAT filesystem 03:37:10 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x700, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 394.304830][T18754] FAT-fs (loop0): bogus number of reserved sectors [ 394.311353][T18754] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 394.320481][T18754] FAT-fs (loop0): Can't find a valid FAT filesystem [ 394.336189][T18755] FAT-fs (loop3): bogus number of reserved sectors [ 394.342740][T18755] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code 03:37:10 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x97ffffff}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:10 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x604}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 394.351888][T18755] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:11 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x3d0}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 394.381064][T18775] loop5: detected capacity change from 0 to 6 [ 394.388105][T18770] loop1: detected capacity change from 0 to 6 [ 394.395129][T18778] loop0: detected capacity change from 0 to 264192 [ 394.404073][T18775] FAT-fs (loop5): bogus number of reserved sectors [ 394.410627][T18775] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 394.419787][T18775] FAT-fs (loop5): Can't find a valid FAT filesystem [ 394.430903][T18770] FAT-fs (loop1): bogus number of reserved sectors [ 394.431375][T18755] loop3: detected capacity change from 0 to 6 [ 394.437414][T18770] FAT-fs (loop1): This looks like a DOS 1.x volume, but isn't a recognized floppy size (6 sectors) [ 394.447101][T18786] loop4: detected capacity change from 0 to 6 [ 394.454185][T18770] FAT-fs (loop1): Can't find a valid FAT filesystem [ 394.458776][T18778] FAT-fs (loop0): bogus number of reserved sectors 03:37:11 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0xe, 0x0, 0x0) [ 394.473422][T18778] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 394.482551][T18778] FAT-fs (loop0): Can't find a valid FAT filesystem [ 394.493732][T18786] FAT-fs (loop4): bogus number of reserved sectors [ 394.499720][T18755] FAT-fs (loop3): bogus number of reserved sectors [ 394.500269][T18786] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 394.506752][T18755] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 394.515828][T18786] FAT-fs (loop4): Can't find a valid FAT filesystem 03:37:11 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x98000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:11 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x605}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 394.531587][T18755] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:11 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x3d1}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:11 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0xf, 0x0, 0x0) 03:37:11 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x900, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:11 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xa}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 394.600281][T18806] loop0: detected capacity change from 0 to 264192 [ 394.611574][T18806] FAT-fs (loop0): bogus number of reserved sectors [ 394.618088][T18806] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 394.627228][T18806] FAT-fs (loop0): Can't find a valid FAT filesystem [ 394.634543][T18810] loop5: detected capacity change from 0 to 6 [ 394.643279][T18812] loop4: detected capacity change from 0 to 6 [ 394.660014][T18820] loop1: detected capacity change from 0 to 6 [ 394.668889][T18812] FAT-fs (loop4): bogus number of reserved sectors [ 394.670818][T18810] FAT-fs (loop5): bogus number of reserved sectors [ 394.675386][T18812] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 394.675399][T18812] FAT-fs (loop4): Can't find a valid FAT filesystem [ 394.681900][T18810] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code 03:37:11 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x606}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:11 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x10, 0x0, 0x0) 03:37:11 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x11, 0x0, 0x0) [ 394.681911][T18810] FAT-fs (loop5): Can't find a valid FAT filesystem [ 394.716637][T18820] FAT-fs (loop1): bogus number of reserved sectors [ 394.723207][T18820] FAT-fs (loop1): This looks like a DOS 1.x volume, but isn't a recognized floppy size (6 sectors) [ 394.733907][T18820] FAT-fs (loop1): Can't find a valid FAT filesystem [ 394.748855][T18833] loop3: detected capacity change from 0 to 6 03:37:11 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x3d2}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 394.766019][T18833] FAT-fs (loop3): bogus number of reserved sectors [ 394.772572][T18833] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 394.781700][T18833] FAT-fs (loop3): Can't find a valid FAT filesystem [ 394.792276][T18842] loop5: detected capacity change from 0 to 6 03:37:11 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x12, 0x0, 0x0) [ 394.814336][T18842] FAT-fs (loop5): bogus number of reserved sectors [ 394.820884][T18842] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 394.830000][T18842] FAT-fs (loop5): Can't find a valid FAT filesystem [ 394.837327][T18852] loop4: detected capacity change from 0 to 6 [ 394.849552][T18833] loop3: detected capacity change from 0 to 6 [ 394.857738][T18833] FAT-fs (loop3): bogus number of reserved sectors 03:37:11 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x99000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:11 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x607}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:11 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0xa00, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 394.864328][T18833] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 394.873498][T18833] FAT-fs (loop3): Can't find a valid FAT filesystem [ 394.889865][T18852] FAT-fs (loop4): bogus number of reserved sectors [ 394.896388][T18852] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 394.905509][T18852] FAT-fs (loop4): Can't find a valid FAT filesystem [ 394.912576][T18868] loop1: detected capacity change from 0 to 6 [ 394.928276][T18868] FAT-fs (loop1): bogus number of reserved sectors [ 394.934855][T18868] FAT-fs (loop1): This looks like a DOS 1.x volume, but isn't a recognized floppy size (6 sectors) [ 394.945560][T18868] FAT-fs (loop1): Can't find a valid FAT filesystem 03:37:11 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xb}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:11 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x13, 0x0, 0x0) [ 394.962773][T18871] loop0: detected capacity change from 0 to 264192 [ 394.973659][T18875] loop5: detected capacity change from 0 to 6 [ 394.985572][T18875] FAT-fs (loop5): bogus number of reserved sectors [ 394.992126][T18875] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 395.001307][T18875] FAT-fs (loop5): Can't find a valid FAT filesystem 03:37:11 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x608}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 395.024310][T18871] FAT-fs (loop0): bogus number of reserved sectors [ 395.030852][T18871] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 395.039975][T18871] FAT-fs (loop0): Can't find a valid FAT filesystem [ 395.058518][T18877] loop3: detected capacity change from 0 to 6 03:37:11 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x3d3}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:11 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x14, 0x0, 0x0) [ 395.073845][T18877] FAT-fs (loop3): bogus number of reserved sectors [ 395.080396][T18877] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 395.085870][T18892] loop5: detected capacity change from 0 to 6 [ 395.089515][T18877] FAT-fs (loop3): Can't find a valid FAT filesystem [ 395.107262][T18896] loop4: detected capacity change from 0 to 6 [ 395.116931][T18896] FAT-fs (loop4): bogus number of reserved sectors 03:37:11 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x15, 0x0, 0x0) 03:37:11 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0xb00, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 395.123477][T18896] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 395.132601][T18896] FAT-fs (loop4): Can't find a valid FAT filesystem [ 395.159189][T18877] loop3: detected capacity change from 0 to 6 03:37:11 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x9f4a06d8}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 395.176419][T18877] FAT-fs (loop3): bogus number of reserved sectors [ 395.182970][T18877] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 395.192103][T18877] FAT-fs (loop3): Can't find a valid FAT filesystem [ 395.199178][T18892] FAT-fs (loop5): bogus number of reserved sectors [ 395.205850][T18892] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 395.206952][T18912] loop1: detected capacity change from 0 to 6 03:37:11 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x16, 0x0, 0x0) [ 395.214969][T18892] FAT-fs (loop5): Can't find a valid FAT filesystem [ 395.231056][T18914] loop0: detected capacity change from 0 to 264192 [ 395.251130][T18914] FAT-fs (loop0): bogus number of reserved sectors [ 395.257649][T18914] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 395.266801][T18914] FAT-fs (loop0): Can't find a valid FAT filesystem 03:37:11 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x609}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:11 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x3d4}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:11 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xc}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 395.283406][T18912] FAT-fs (loop1): bogus number of reserved sectors [ 395.289963][T18912] FAT-fs (loop1): This looks like a DOS 1.x volume, but isn't a recognized floppy size (6 sectors) [ 395.296814][T18927] loop5: detected capacity change from 0 to 6 [ 395.300646][T18912] FAT-fs (loop1): Can't find a valid FAT filesystem 03:37:11 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x17, 0x0, 0x0) [ 395.330964][T18935] loop4: detected capacity change from 0 to 6 [ 395.340031][T18939] loop3: detected capacity change from 0 to 6 [ 395.347992][T18927] FAT-fs (loop5): bogus number of reserved sectors [ 395.354535][T18927] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 395.363639][T18927] FAT-fs (loop5): Can't find a valid FAT filesystem 03:37:12 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x18, 0x0, 0x0) 03:37:12 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xbc030000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 395.379482][T18935] FAT-fs (loop4): bogus number of reserved sectors [ 395.386044][T18935] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 395.395180][T18935] FAT-fs (loop4): Can't find a valid FAT filesystem [ 395.396323][T18939] FAT-fs (loop3): bogus number of FAT structure [ 395.408027][T18939] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 395.417183][T18939] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:12 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0xc00, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:12 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x60a}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 395.463242][T18939] loop3: detected capacity change from 0 to 6 [ 395.487403][T18966] loop0: detected capacity change from 0 to 168704 [ 395.496964][T18939] FAT-fs (loop3): bogus number of FAT structure [ 395.503236][T18939] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code 03:37:12 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x3d5}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:12 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x19, 0x0, 0x0) [ 395.507248][T18969] loop1: detected capacity change from 0 to 6 [ 395.512408][T18939] FAT-fs (loop3): Can't find a valid FAT filesystem [ 395.530631][T18966] FAT-fs (loop0): bogus number of reserved sectors [ 395.536949][T18970] loop5: detected capacity change from 0 to 6 [ 395.537205][T18966] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 395.552388][T18966] FAT-fs (loop0): Can't find a valid FAT filesystem [ 395.563873][T18970] FAT-fs (loop5): bogus number of reserved sectors [ 395.569818][T18979] loop4: detected capacity change from 0 to 6 [ 395.570415][T18970] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 395.578708][T18979] FAT-fs (loop4): bogus number of reserved sectors [ 395.585553][T18970] FAT-fs (loop5): Can't find a valid FAT filesystem [ 395.592048][T18979] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 395.607731][T18979] FAT-fs (loop4): Can't find a valid FAT filesystem 03:37:12 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xd}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 395.611282][T18969] FAT-fs (loop1): bogus number of reserved sectors [ 395.620842][T18969] FAT-fs (loop1): This looks like a DOS 1.x volume, but isn't a recognized floppy size (6 sectors) [ 395.631610][T18969] FAT-fs (loop1): Can't find a valid FAT filesystem 03:37:12 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x60b}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:12 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x3d6}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:12 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0xd00, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 395.690164][T18993] loop3: detected capacity change from 0 to 6 [ 395.712877][T19000] loop5: detected capacity change from 0 to 6 [ 395.724345][T19000] FAT-fs (loop5): bogus number of reserved sectors [ 395.730899][T19000] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code 03:37:12 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xc0ed0000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 395.740004][T19000] FAT-fs (loop5): Can't find a valid FAT filesystem [ 395.755324][T18993] FAT-fs (loop3): bogus number of FAT structure [ 395.758576][T19009] loop1: detected capacity change from 0 to 6 [ 395.761665][T18993] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 395.772914][T19009] FAT-fs (loop1): bogus number of reserved sectors [ 395.776804][T18993] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:12 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x1a, 0x0, 0x0) [ 395.783284][T19009] FAT-fs (loop1): This looks like a DOS 1.x volume, but isn't a recognized floppy size (6 sectors) [ 395.800504][T19009] FAT-fs (loop1): Can't find a valid FAT filesystem [ 395.812579][T19010] loop0: detected capacity change from 0 to 264192 [ 395.819639][T19005] loop4: detected capacity change from 0 to 6 [ 395.827686][T19005] FAT-fs (loop4): bogus number of reserved sectors 03:37:12 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x1b, 0x0, 0x0) [ 395.834236][T19005] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 395.843360][T19005] FAT-fs (loop4): Can't find a valid FAT filesystem [ 395.853411][T19010] FAT-fs (loop0): bogus number of reserved sectors [ 395.859970][T19010] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 395.869099][T19010] FAT-fs (loop0): Can't find a valid FAT filesystem 03:37:12 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x3d7}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:12 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x60c}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:12 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0xe00, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 395.907354][T18993] loop3: detected capacity change from 0 to 6 [ 395.914722][T18993] FAT-fs (loop3): bogus number of FAT structure [ 395.921013][T18993] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 395.930145][T18993] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:12 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xe}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:12 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x1c, 0x0, 0x0) [ 395.976390][T19049] loop5: detected capacity change from 0 to 6 [ 395.996974][T19048] loop1: detected capacity change from 0 to 6 [ 396.004720][T19049] FAT-fs (loop5): bogus number of reserved sectors [ 396.009495][T19051] loop4: detected capacity change from 0 to 6 [ 396.011243][T19049] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code 03:37:12 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xcc030000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 396.026390][T19049] FAT-fs (loop5): Can't find a valid FAT filesystem [ 396.039153][T19051] FAT-fs (loop4): bogus number of reserved sectors [ 396.044338][T19062] loop3: detected capacity change from 0 to 6 [ 396.045670][T19051] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 396.053805][T19062] FAT-fs (loop3): invalid media value (0x00) [ 396.060836][T19051] FAT-fs (loop4): Can't find a valid FAT filesystem [ 396.061864][T19048] FAT-fs (loop1): bogus number of reserved sectors [ 396.066817][T19062] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 396.066849][T19062] FAT-fs (loop3): Can't find a valid FAT filesystem [ 396.073432][T19048] FAT-fs (loop1): This looks like a DOS 1.x volume, but isn't a recognized floppy size (6 sectors) [ 396.106276][T19048] FAT-fs (loop1): Can't find a valid FAT filesystem 03:37:12 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x60d}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 396.124772][T19069] loop0: detected capacity change from 0 to 160512 [ 396.137464][T19069] FAT-fs (loop0): bogus number of reserved sectors [ 396.144036][T19069] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 396.153167][T19069] FAT-fs (loop0): Can't find a valid FAT filesystem 03:37:12 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xd8064a9f}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:12 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0xe01, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 396.184871][T19062] loop3: detected capacity change from 0 to 6 [ 396.204505][T19062] FAT-fs (loop3): invalid media value (0x00) [ 396.210544][T19062] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 396.215676][T19081] loop5: detected capacity change from 0 to 6 [ 396.219650][T19062] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:12 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x1d, 0x0, 0x0) [ 396.229974][T19083] loop1: detected capacity change from 0 to 6 [ 396.238800][T19081] FAT-fs (loop5): bogus number of reserved sectors [ 396.245317][T19081] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 396.254448][T19081] FAT-fs (loop5): Can't find a valid FAT filesystem [ 396.254717][T19083] FAT-fs (loop1): bogus number of reserved sectors [ 396.267668][T19083] FAT-fs (loop1): This looks like a DOS 1.x volume, but isn't a recognized floppy size (6 sectors) [ 396.278398][T19083] FAT-fs (loop1): Can't find a valid FAT filesystem 03:37:12 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xf}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:12 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x3d8}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:12 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x1e, 0x0, 0x0) 03:37:13 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x60e}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 396.326044][T19099] loop0: detected capacity change from 0 to 264192 [ 396.339656][T19104] loop3: detected capacity change from 0 to 6 [ 396.352282][T19099] FAT-fs (loop0): bogus number of reserved sectors [ 396.358828][T19099] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 396.367920][T19099] FAT-fs (loop0): Can't find a valid FAT filesystem 03:37:13 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0xf00, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 396.383506][T19109] loop4: detected capacity change from 0 to 6 [ 396.389769][T19104] FAT-fs (loop3): invalid media value (0x00) [ 396.395782][T19104] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 396.404906][T19104] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:13 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xdaffffff}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:13 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x21, 0x0, 0x0) [ 396.434572][T19109] FAT-fs (loop4): bogus number of reserved sectors [ 396.438175][T19123] loop1: detected capacity change from 0 to 6 [ 396.441103][T19109] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 396.456276][T19109] FAT-fs (loop4): Can't find a valid FAT filesystem [ 396.466786][T19123] FAT-fs (loop1): bogus number of reserved sectors [ 396.469702][T19118] loop5: detected capacity change from 0 to 6 03:37:13 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x22, 0x0, 0x0) [ 396.473335][T19123] FAT-fs (loop1): This looks like a DOS 1.x volume, but isn't a recognized floppy size (6 sectors) [ 396.490017][T19123] FAT-fs (loop1): Can't find a valid FAT filesystem [ 396.498677][T19104] loop3: detected capacity change from 0 to 6 [ 396.505279][T19104] FAT-fs (loop3): invalid media value (0x00) [ 396.511385][T19104] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 396.520531][T19104] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:13 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x23, 0x0, 0x0) [ 396.545816][T19118] FAT-fs (loop5): bogus number of reserved sectors [ 396.552442][T19118] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 396.561616][T19118] FAT-fs (loop5): Can't find a valid FAT filesystem [ 396.579439][T19134] loop0: detected capacity change from 0 to 86015 03:37:13 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x1020, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:13 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x24, 0x0, 0x0) [ 396.597574][T19134] FAT-fs (loop0): bogus number of reserved sectors [ 396.604204][T19134] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 396.613324][T19134] FAT-fs (loop0): Can't find a valid FAT filesystem 03:37:13 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x60f}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:13 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x10}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:13 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x3d9}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:13 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xf6ffffff}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:13 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x30, 0x0, 0x0) [ 396.677943][T19165] loop1: detected capacity change from 0 to 6 [ 396.733451][T19173] loop5: detected capacity change from 0 to 6 [ 396.747527][T19173] FAT-fs (loop5): bogus number of reserved sectors [ 396.751332][T19183] loop3: detected capacity change from 0 to 6 [ 396.754060][T19173] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 396.760951][T19185] loop4: detected capacity change from 0 to 6 [ 396.769195][T19173] FAT-fs (loop5): Can't find a valid FAT filesystem 03:37:13 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x1100, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 396.784964][T19186] loop0: detected capacity change from 0 to 264192 [ 396.809013][T19186] FAT-fs (loop0): bogus number of reserved sectors [ 396.809035][T19183] FAT-fs (loop3): bogus number of reserved sectors [ 396.815636][T19186] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code 03:37:13 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x300, 0x0, 0x0) [ 396.822150][T19183] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 396.831248][T19186] FAT-fs (loop0): Can't find a valid FAT filesystem [ 396.840326][T19183] FAT-fs (loop3): Can't find a valid FAT filesystem [ 396.853585][T19185] FAT-fs (loop4): bogus number of reserved sectors [ 396.857125][T19195] loop1: detected capacity change from 0 to 6 [ 396.860096][T19185] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 396.875282][T19185] FAT-fs (loop4): Can't find a valid FAT filesystem 03:37:13 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x610}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:13 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x500, 0x0, 0x0) 03:37:13 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x600, 0x0, 0x0) 03:37:13 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x1200, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:13 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x3da}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 396.926169][T19183] loop3: detected capacity change from 0 to 6 [ 396.951210][T19183] FAT-fs (loop3): bogus number of reserved sectors [ 396.957728][T19183] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 396.966862][T19183] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:13 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xf9fdffff}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 397.018806][T19220] loop5: detected capacity change from 0 to 6 [ 397.026114][T19229] loop0: detected capacity change from 0 to 3583 [ 397.035367][T19229] FAT-fs (loop0): bogus number of reserved sectors [ 397.041947][T19229] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 397.051171][T19229] FAT-fs (loop0): Can't find a valid FAT filesystem [ 397.059757][T19232] loop1: detected capacity change from 0 to 6 [ 397.065882][T19220] FAT-fs (loop5): bogus number of reserved sectors [ 397.072414][T19220] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 397.081598][T19220] FAT-fs (loop5): Can't find a valid FAT filesystem [ 397.086016][T19234] loop4: detected capacity change from 0 to 6 [ 397.097510][T19234] FAT-fs (loop4): bogus number of reserved sectors [ 397.104039][T19234] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code 03:37:13 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x11}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:13 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x700, 0x0, 0x0) [ 397.113144][T19234] FAT-fs (loop4): Can't find a valid FAT filesystem 03:37:13 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x2000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:13 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x3f9}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:13 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x900, 0x0, 0x0) 03:37:13 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x611}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:13 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xfdfdffff}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 397.208966][T19258] loop3: detected capacity change from 0 to 6 [ 397.217892][T19260] loop4: detected capacity change from 0 to 6 [ 397.224934][T19262] loop1: detected capacity change from 0 to 6 [ 397.234444][T19258] FAT-fs (loop3): bogus number of reserved sectors [ 397.241090][T19258] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 397.250264][T19258] FAT-fs (loop3): Can't find a valid FAT filesystem [ 397.270257][T19270] loop5: detected capacity change from 0 to 6 [ 397.278565][T19270] FAT-fs (loop5): bogus number of reserved sectors [ 397.285090][T19270] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 397.294221][T19270] FAT-fs (loop5): Can't find a valid FAT filesystem [ 397.297926][T19275] loop0: detected capacity change from 0 to 264192 [ 397.307818][T19260] FAT-fs (loop4): bogus number of reserved sectors 03:37:13 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0xa00, 0x0, 0x0) [ 397.314360][T19260] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 397.323538][T19260] FAT-fs (loop4): Can't find a valid FAT filesystem [ 397.326115][T19275] FAT-fs (loop0): bogus number of reserved sectors [ 397.336642][T19275] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 397.345848][T19275] FAT-fs (loop0): Can't find a valid FAT filesystem 03:37:14 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0xb00, 0x0, 0x0) 03:37:14 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x2010, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:14 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x612}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 397.388000][T19258] loop3: detected capacity change from 0 to 6 [ 397.404670][T19258] FAT-fs (loop3): bogus number of reserved sectors [ 397.411304][T19258] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 397.420417][T19258] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:14 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x3fa}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 397.476724][T19309] loop5: detected capacity change from 0 to 6 [ 397.485035][T19308] loop1: detected capacity change from 0 to 6 [ 397.507794][T19309] FAT-fs (loop5): bogus number of reserved sectors [ 397.514332][T19309] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code 03:37:14 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x12}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:14 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0xc00, 0x0, 0x0) 03:37:14 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xfdffffff}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 397.519535][T19316] loop4: detected capacity change from 0 to 6 [ 397.523451][T19309] FAT-fs (loop5): Can't find a valid FAT filesystem [ 397.556643][T19316] FAT-fs (loop4): bogus number of reserved sectors [ 397.563197][T19316] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 397.564428][T19329] loop3: detected capacity change from 0 to 6 [ 397.572338][T19316] FAT-fs (loop4): Can't find a valid FAT filesystem [ 397.586448][T19326] loop0: detected capacity change from 0 to 264192 [ 397.593462][T19329] FAT-fs (loop3): bogus number of reserved sectors [ 397.600025][T19329] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 397.609177][T19329] FAT-fs (loop3): Can't find a valid FAT filesystem [ 397.621011][T19326] FAT-fs (loop0): bogus number of reserved sectors 03:37:14 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0xd00, 0x0, 0x0) [ 397.627520][T19326] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 397.636647][T19326] FAT-fs (loop0): Can't find a valid FAT filesystem 03:37:14 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xfeffffff}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:14 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x3fb}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:14 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x2200, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:14 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x622}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 397.672707][T19329] loop3: detected capacity change from 0 to 6 [ 397.685850][T19329] FAT-fs (loop3): bogus number of reserved sectors [ 397.692387][T19329] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 397.701570][T19329] FAT-fs (loop3): Can't find a valid FAT filesystem [ 397.744106][T19354] loop0: detected capacity change from 0 to 264192 [ 397.754055][T19360] loop1: detected capacity change from 0 to 6 [ 397.760844][T19362] loop5: detected capacity change from 0 to 6 [ 397.767349][T19358] loop4: detected capacity change from 0 to 6 [ 397.770242][T19354] FAT-fs (loop0): bogus number of reserved sectors [ 397.779923][T19354] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 397.789037][T19354] FAT-fs (loop0): Can't find a valid FAT filesystem [ 397.802974][T19362] FAT-fs (loop5): bogus number of reserved sectors [ 397.809532][T19362] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 397.818593][T19358] FAT-fs (loop4): bogus number of reserved sectors [ 397.818654][T19362] FAT-fs (loop5): Can't find a valid FAT filesystem [ 397.825132][T19358] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code 03:37:14 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0xe00, 0x0, 0x0) 03:37:14 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x22}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 397.840803][T19358] FAT-fs (loop4): Can't find a valid FAT filesystem 03:37:14 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x2500, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:14 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0xf00, 0x0, 0x0) 03:37:14 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x1100, 0x0, 0x0) [ 397.909541][T19379] loop3: detected capacity change from 0 to 6 [ 397.921705][T19383] loop1: detected capacity change from 0 to 6 [ 397.942613][T19379] FAT-fs (loop3): bogus number of reserved sectors [ 397.949225][T19379] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code 03:37:14 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x625}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 397.958340][T19379] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:14 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xff0f0000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:14 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x1200, 0x0, 0x0) [ 397.990106][T19400] loop5: detected capacity change from 0 to 6 [ 398.020692][T19400] FAT-fs (loop5): bogus number of reserved sectors [ 398.027225][T19400] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code 03:37:14 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x402}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:14 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x269d, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 398.036433][T19400] FAT-fs (loop5): Can't find a valid FAT filesystem [ 398.054728][T19414] loop0: detected capacity change from 0 to 264192 [ 398.065088][T19379] loop3: detected capacity change from 0 to 6 [ 398.074079][T19379] FAT-fs (loop3): bogus number of reserved sectors [ 398.080626][T19379] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code 03:37:14 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x1300, 0x0, 0x0) 03:37:14 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x648}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 398.082654][T19422] loop4: detected capacity change from 0 to 6 [ 398.089736][T19379] FAT-fs (loop3): Can't find a valid FAT filesystem [ 398.104848][T19414] FAT-fs (loop0): bogus number of reserved sectors [ 398.111383][T19414] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 398.120525][T19414] FAT-fs (loop0): Can't find a valid FAT filesystem [ 398.133616][T19423] loop1: detected capacity change from 0 to 6 03:37:14 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x25}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 398.152548][T19422] FAT-fs (loop4): bogus number of reserved sectors [ 398.159094][T19422] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 398.168251][T19422] FAT-fs (loop4): Can't find a valid FAT filesystem 03:37:14 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x26b6, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 398.195553][T19441] loop3: detected capacity change from 0 to 6 [ 398.204070][T19441] FAT-fs (loop3): bogus number of reserved sectors [ 398.210611][T19441] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 398.213228][T19444] loop5: detected capacity change from 0 to 6 [ 398.219736][T19441] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:14 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x1400, 0x0, 0x0) [ 398.261061][T19444] FAT-fs (loop5): bogus number of reserved sectors [ 398.267613][T19444] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 398.275932][T19454] loop1: detected capacity change from 0 to 6 [ 398.276808][T19444] FAT-fs (loop5): Can't find a valid FAT filesystem [ 398.300666][T19441] loop3: detected capacity change from 0 to 6 03:37:14 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x3f00, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:14 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xff270000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:14 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x406}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:14 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x1500, 0x0, 0x0) [ 398.307045][T19441] FAT-fs (loop3): bogus number of reserved sectors [ 398.313695][T19441] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 398.322814][T19441] FAT-fs (loop3): Can't find a valid FAT filesystem [ 398.344208][T19466] loop1: detected capacity change from 0 to 6 03:37:15 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x1600, 0x0, 0x0) 03:37:15 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x48}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 398.356762][T19468] loop4: detected capacity change from 0 to 6 [ 398.365869][T19468] FAT-fs (loop4): bogus number of reserved sectors [ 398.372441][T19468] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 398.381595][T19468] FAT-fs (loop4): Can't find a valid FAT filesystem 03:37:15 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x4000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:15 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x64c}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:15 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x1700, 0x0, 0x0) [ 398.426546][T19485] loop3: detected capacity change from 0 to 6 [ 398.435521][T19485] FAT-fs (loop3): bogus number of reserved sectors [ 398.442078][T19485] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 398.451189][T19485] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:15 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x428}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 398.474461][T19490] loop1: detected capacity change from 0 to 6 [ 398.482356][T19496] loop5: detected capacity change from 0 to 6 [ 398.488842][T19498] loop0: detected capacity change from 0 to 264192 [ 398.508761][T19496] FAT-fs (loop5): bogus number of reserved sectors [ 398.515365][T19496] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 398.519904][T19490] FAT-fs (loop1): bogus number of reserved sectors [ 398.524493][T19496] FAT-fs (loop5): Can't find a valid FAT filesystem [ 398.530988][T19490] FAT-fs (loop1): This looks like a DOS 1.x volume, but isn't a recognized floppy size (6 sectors) [ 398.537748][T19498] FAT-fs (loop0): bogus number of reserved sectors [ 398.548208][T19490] FAT-fs (loop1): Can't find a valid FAT filesystem [ 398.554698][T19498] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 398.570396][T19498] FAT-fs (loop0): Can't find a valid FAT filesystem 03:37:15 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x1800, 0x0, 0x0) [ 398.578066][T19507] loop4: detected capacity change from 0 to 6 [ 398.595037][T19507] FAT-fs (loop4): bogus number of reserved sectors [ 398.601589][T19507] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 398.610717][T19507] FAT-fs (loop4): Can't find a valid FAT filesystem [ 398.620440][T19485] loop3: detected capacity change from 0 to 6 03:37:15 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x1900, 0x0, 0x0) [ 398.638340][T19498] loop0: detected capacity change from 0 to 264192 [ 398.662817][T19485] FAT-fs (loop3): bogus number of reserved sectors [ 398.669388][T19485] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 398.678508][T19485] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:15 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x660}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 398.685302][T19498] FAT-fs (loop0): bogus number of reserved sectors [ 398.691842][T19498] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 398.700960][T19498] FAT-fs (loop0): Can't find a valid FAT filesystem 03:37:15 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xfffdffff}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:15 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x500}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:15 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x4401, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:15 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x1a00, 0x0, 0x0) 03:37:15 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x4c}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 398.774426][T19535] loop5: detected capacity change from 0 to 6 [ 398.787974][T19535] FAT-fs (loop5): bogus number of reserved sectors [ 398.794579][T19535] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 398.803717][T19535] FAT-fs (loop5): Can't find a valid FAT filesystem [ 398.813411][T19539] loop3: detected capacity change from 0 to 6 [ 398.825337][T19543] loop4: detected capacity change from 0 to 6 [ 398.826137][T19545] loop1: detected capacity change from 0 to 6 [ 398.842020][T19539] FAT-fs (loop3): bogus number of reserved sectors [ 398.848639][T19539] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 398.857754][T19539] FAT-fs (loop3): Can't find a valid FAT filesystem [ 398.866276][T19543] FAT-fs (loop4): bogus number of reserved sectors 03:37:15 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x1b00, 0x0, 0x0) [ 398.866303][T19545] FAT-fs (loop1): bogus number of reserved sectors [ 398.872806][T19543] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 398.872818][T19543] FAT-fs (loop4): Can't find a valid FAT filesystem [ 398.894993][T19545] FAT-fs (loop1): This looks like a DOS 1.x volume, but isn't a recognized floppy size (6 sectors) [ 398.905697][T19545] FAT-fs (loop1): Can't find a valid FAT filesystem [ 398.914394][T19547] loop0: detected capacity change from 0 to 264192 [ 398.926153][T19547] FAT-fs (loop0): bogus number of reserved sectors [ 398.932796][T19547] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 398.941959][T19547] FAT-fs (loop0): Can't find a valid FAT filesystem [ 398.953496][T19539] loop3: detected capacity change from 0 to 6 [ 398.962286][T19539] FAT-fs (loop3): bogus number of reserved sectors 03:37:15 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x668}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:15 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x600}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 398.968820][T19539] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 398.977915][T19539] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:15 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x4501, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:15 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x1c00, 0x0, 0x0) [ 399.022978][T19574] loop5: detected capacity change from 0 to 6 [ 399.036208][T19574] FAT-fs (loop5): bogus number of reserved sectors [ 399.042777][T19574] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 399.050903][T19577] loop4: detected capacity change from 0 to 6 [ 399.051899][T19574] FAT-fs (loop5): Can't find a valid FAT filesystem [ 399.078778][T19577] FAT-fs (loop4): bogus number of reserved sectors [ 399.084196][T19585] loop1: detected capacity change from 0 to 6 [ 399.085303][T19577] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 399.100475][T19577] FAT-fs (loop4): Can't find a valid FAT filesystem [ 399.107399][T19585] FAT-fs (loop1): bogus number of reserved sectors [ 399.114099][T19585] FAT-fs (loop1): This looks like a DOS 1.x volume, but isn't a recognized floppy size (6 sectors) 03:37:15 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x60}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:15 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xfffffdf9}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 399.124774][T19585] FAT-fs (loop1): Can't find a valid FAT filesystem 03:37:15 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x66c}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:15 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x604}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:15 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x1d00, 0x0, 0x0) 03:37:15 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x4800, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 399.191662][T19604] loop0: detected capacity change from 0 to 264192 [ 399.211075][T19606] loop3: detected capacity change from 0 to 6 [ 399.220023][T19606] FAT-fs (loop3): bogus number of reserved sectors [ 399.226523][T19606] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 399.235695][T19606] FAT-fs (loop3): Can't find a valid FAT filesystem [ 399.244931][T19609] loop5: detected capacity change from 0 to 6 [ 399.248689][T19604] FAT-fs (loop0): bogus number of reserved sectors [ 399.257481][T19604] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 399.266415][T19609] FAT-fs (loop5): bogus number of reserved sectors [ 399.266590][T19604] FAT-fs (loop0): Can't find a valid FAT filesystem [ 399.273093][T19609] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 399.288831][T19609] FAT-fs (loop5): Can't find a valid FAT filesystem [ 399.298465][T19617] loop4: detected capacity change from 0 to 6 [ 399.303665][T19622] loop1: detected capacity change from 0 to 6 [ 399.311544][T19617] FAT-fs (loop4): bogus number of reserved sectors [ 399.313721][T19622] FAT-fs (loop1): bogus number of reserved sectors [ 399.318050][T19617] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 399.318062][T19617] FAT-fs (loop4): Can't find a valid FAT filesystem 03:37:15 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x700}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:15 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x1e00, 0x0, 0x0) 03:37:16 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x4b01, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 399.340283][T19622] FAT-fs (loop1): This looks like a DOS 1.x volume, but isn't a recognized floppy size (6 sectors) [ 399.350972][T19622] FAT-fs (loop1): Can't find a valid FAT filesystem 03:37:16 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x1f00, 0x0, 0x0) 03:37:16 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xfffffdfd}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 399.410694][T19634] loop4: detected capacity change from 0 to 7 [ 399.411799][T19606] loop3: detected capacity change from 0 to 6 [ 399.434070][T19634] FAT-fs (loop4): bogus number of reserved sectors [ 399.440745][T19634] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 399.450026][T19634] FAT-fs (loop4): Can't find a valid FAT filesystem 03:37:16 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x674}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:16 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x68}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 399.479676][T19649] loop1: detected capacity change from 0 to 6 [ 399.509010][T19654] loop0: detected capacity change from 0 to 264192 [ 399.510830][T19649] FAT-fs (loop1): bogus number of reserved sectors 03:37:16 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x2000, 0x0, 0x0) [ 399.522171][T19649] FAT-fs (loop1): This looks like a DOS 1.x volume, but isn't a recognized floppy size (6 sectors) [ 399.532862][T19649] FAT-fs (loop1): Can't find a valid FAT filesystem [ 399.546833][T19658] loop5: detected capacity change from 0 to 6 [ 399.547032][T19654] FAT-fs (loop0): bogus number of reserved sectors [ 399.559436][T19654] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 399.568682][T19654] FAT-fs (loop0): Can't find a valid FAT filesystem [ 399.584514][T19658] FAT-fs (loop5): bogus number of reserved sectors [ 399.591052][T19658] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 399.600265][T19658] FAT-fs (loop5): Can't find a valid FAT filesystem 03:37:16 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x900}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:16 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x4c00, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:16 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x2100, 0x0, 0x0) [ 399.625700][T19675] loop3: detected capacity change from 0 to 6 [ 399.650844][T19675] FAT-fs (loop3): bogus number of reserved sectors [ 399.657370][T19675] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 399.666507][T19675] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:16 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x67a}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:16 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xfffffdff}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 399.702122][T19689] loop4: detected capacity change from 0 to 9 [ 399.731573][T19697] loop1: detected capacity change from 0 to 6 [ 399.749704][T19675] loop3: detected capacity change from 0 to 6 [ 399.756654][T19689] FAT-fs (loop4): bogus number of reserved sectors [ 399.763206][T19689] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 399.771465][T19675] FAT-fs (loop3): bogus number of reserved sectors [ 399.772382][T19689] FAT-fs (loop4): Can't find a valid FAT filesystem [ 399.779145][T19675] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 399.789896][T19708] loop5: detected capacity change from 0 to 6 03:37:16 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x2200, 0x0, 0x0) [ 399.794817][T19675] FAT-fs (loop3): Can't find a valid FAT filesystem [ 399.815780][T19710] loop0: detected capacity change from 0 to 264192 [ 399.824811][T19697] FAT-fs (loop1): bogus number of reserved sectors [ 399.831336][T19697] FAT-fs (loop1): This looks like a DOS 1.x volume, but isn't a recognized floppy size (6 sectors) [ 399.842043][T19697] FAT-fs (loop1): Can't find a valid FAT filesystem 03:37:16 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x2300, 0x0, 0x0) [ 399.853915][T19710] FAT-fs (loop0): bogus number of reserved sectors [ 399.860463][T19710] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 399.869617][T19710] FAT-fs (loop0): Can't find a valid FAT filesystem [ 399.887788][T19708] FAT-fs (loop5): bogus number of reserved sectors [ 399.894324][T19708] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code 03:37:16 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x6c}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:16 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x2400, 0x0, 0x0) [ 399.903506][T19708] FAT-fs (loop5): Can't find a valid FAT filesystem 03:37:16 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xa00}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:16 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x6fe}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:16 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x6000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 399.993983][T19749] loop4: detected capacity change from 0 to 10 [ 400.008220][T19752] loop3: detected capacity change from 0 to 6 [ 400.028219][T19752] FAT-fs (loop3): bogus number of reserved sectors [ 400.034791][T19752] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code 03:37:16 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xffffff7f}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:16 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x3000, 0x0, 0x0) [ 400.043919][T19752] FAT-fs (loop3): Can't find a valid FAT filesystem [ 400.045347][T19757] loop5: detected capacity change from 0 to 6 [ 400.057081][T19749] FAT-fs (loop4): bogus number of reserved sectors [ 400.063645][T19749] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 400.072774][T19749] FAT-fs (loop4): Can't find a valid FAT filesystem [ 400.073332][T19765] loop0: detected capacity change from 0 to 264192 [ 400.087787][T19766] loop1: detected capacity change from 0 to 6 03:37:16 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x8fff, 0x0, 0x0) [ 400.092625][T19765] FAT-fs (loop0): bogus number of reserved sectors [ 400.100499][T19765] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 400.109664][T19765] FAT-fs (loop0): Can't find a valid FAT filesystem [ 400.113414][T19757] FAT-fs (loop5): bogus number of reserved sectors [ 400.122745][T19757] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 400.131994][T19757] FAT-fs (loop5): Can't find a valid FAT filesystem 03:37:16 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x6800, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:16 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xffffff85}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:16 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xb00}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 400.154690][T19752] loop3: detected capacity change from 0 to 6 [ 400.171622][T19752] FAT-fs (loop3): bogus number of reserved sectors [ 400.178190][T19752] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 400.187330][T19752] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:16 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x700}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 400.233233][T19793] loop1: detected capacity change from 0 to 6 [ 400.251806][T19798] loop4: detected capacity change from 0 to 11 [ 400.265146][T19800] loop0: detected capacity change from 0 to 264192 [ 400.273503][T19803] loop5: detected capacity change from 0 to 7 [ 400.279242][T19800] FAT-fs (loop0): bogus number of reserved sectors [ 400.286103][T19800] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 400.295373][T19800] FAT-fs (loop0): Can't find a valid FAT filesystem [ 400.303632][T19798] FAT-fs (loop4): bogus number of reserved sectors [ 400.310177][T19798] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 400.319370][T19798] FAT-fs (loop4): Can't find a valid FAT filesystem [ 400.323200][T19803] FAT-fs (loop5): bogus number of reserved sectors 03:37:16 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x74}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:16 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0xff8f, 0x0, 0x0) 03:37:16 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x6c00, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:17 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xffffff8c}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 400.332487][T19803] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 400.341599][T19803] FAT-fs (loop5): Can't find a valid FAT filesystem 03:37:17 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x300000, 0x0, 0x0) [ 400.389163][T19817] loop1: detected capacity change from 0 to 6 03:37:17 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x900}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:17 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xc00}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:17 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x7400, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 400.437028][T19833] loop0: detected capacity change from 0 to 264192 [ 400.443306][T19834] loop3: detected capacity change from 0 to 6 [ 400.469862][T19834] FAT-fs (loop3): bogus number of reserved sectors [ 400.476442][T19834] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 400.485687][T19834] FAT-fs (loop3): Can't find a valid FAT filesystem [ 400.504057][T19842] loop5: detected capacity change from 0 to 9 [ 400.512926][T19845] loop1: detected capacity change from 0 to 6 [ 400.520180][T19846] loop4: detected capacity change from 0 to 12 [ 400.530312][T19842] FAT-fs (loop5): bogus number of reserved sectors 03:37:17 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x800000, 0x0, 0x0) [ 400.536828][T19842] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 400.546014][T19842] FAT-fs (loop5): Can't find a valid FAT filesystem [ 400.549798][T19833] FAT-fs (loop0): bogus number of reserved sectors [ 400.559216][T19833] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 400.568353][T19833] FAT-fs (loop0): Can't find a valid FAT filesystem [ 400.572125][T19846] FAT-fs (loop4): bogus number of reserved sectors [ 400.581459][T19846] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 400.590628][T19846] FAT-fs (loop4): Can't find a valid FAT filesystem [ 400.618745][T19834] loop3: detected capacity change from 0 to 6 [ 400.628222][T19834] FAT-fs (loop3): bogus number of reserved sectors 03:37:17 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xd00}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:17 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x3f00}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 400.634768][T19834] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 400.643887][T19834] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:17 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x7a00, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 400.689909][T19873] loop5: detected capacity change from 0 to 63 [ 400.697624][T19876] loop4: detected capacity change from 0 to 13 [ 400.710074][T19873] FAT-fs (loop5): bogus number of reserved sectors [ 400.716577][T19873] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 400.725813][T19873] FAT-fs (loop5): Can't find a valid FAT filesystem 03:37:17 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x7a}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:17 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x1000000, 0x0, 0x0) 03:37:17 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xffffff97}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 400.738019][T19876] FAT-fs (loop4): bogus number of reserved sectors [ 400.744549][T19876] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 400.753653][T19876] FAT-fs (loop4): Can't find a valid FAT filesystem [ 400.761355][T19880] loop1: detected capacity change from 0 to 6 03:37:17 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x8607}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:17 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x8203, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 400.799404][T19893] loop0: detected capacity change from 0 to 264192 [ 400.810317][T19893] FAT-fs (loop0): bogus number of reserved sectors [ 400.816842][T19893] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 400.826033][T19893] FAT-fs (loop0): Can't find a valid FAT filesystem 03:37:17 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x2000000, 0x0, 0x0) 03:37:17 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xe00}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 400.890032][T19910] loop3: detected capacity change from 0 to 6 [ 400.899286][T19911] loop5: detected capacity change from 0 to 134 [ 400.909050][T19916] loop1: detected capacity change from 0 to 6 [ 400.921646][T19910] FAT-fs (loop3): bogus number of reserved sectors [ 400.926355][T19924] loop4: detected capacity change from 0 to 14 03:37:17 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x3000000, 0x0, 0x0) 03:37:17 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x4000000, 0x0, 0x0) [ 400.928183][T19910] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 400.928195][T19910] FAT-fs (loop3): Can't find a valid FAT filesystem [ 400.953845][T19911] FAT-fs (loop5): bogus number of reserved sectors [ 400.960442][T19911] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 400.969628][T19911] FAT-fs (loop5): Can't find a valid FAT filesystem 03:37:17 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xffffffda}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 400.994218][T19924] FAT-fs (loop4): bogus number of reserved sectors [ 401.000781][T19924] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 401.009907][T19924] FAT-fs (loop4): Can't find a valid FAT filesystem [ 401.022624][T19910] loop3: detected capacity change from 0 to 6 [ 401.034676][T19910] FAT-fs (loop3): bogus number of reserved sectors 03:37:17 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x9b03, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:17 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x5000000, 0x0, 0x0) [ 401.041231][T19910] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 401.050402][T19910] FAT-fs (loop3): Can't find a valid FAT filesystem [ 401.089037][T19951] loop0: detected capacity change from 0 to 264192 [ 401.103402][T19952] loop1: detected capacity change from 0 to 6 [ 401.104817][T19951] FAT-fs (loop0): bogus number of reserved sectors [ 401.116011][T19951] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 401.125137][T19951] FAT-fs (loop0): Can't find a valid FAT filesystem 03:37:17 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xcc}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:17 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0xb507}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:17 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xe01}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:17 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x6000000, 0x0, 0x0) 03:37:17 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x9c03, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 401.202474][T19971] loop4: detected capacity change from 0 to 14 [ 401.210402][T19971] FAT-fs (loop4): bogus number of reserved sectors [ 401.216921][T19971] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 401.226059][T19971] FAT-fs (loop4): Can't find a valid FAT filesystem [ 401.232922][T19968] loop5: detected capacity change from 0 to 181 03:37:17 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x7000000, 0x0, 0x0) [ 401.249729][T19980] loop3: detected capacity change from 0 to 6 [ 401.256824][T19979] loop1: detected capacity change from 0 to 6 [ 401.275634][T19980] FAT-fs (loop3): bogus number of reserved sectors [ 401.282178][T19980] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 401.291380][T19980] FAT-fs (loop3): Can't find a valid FAT filesystem [ 401.296301][T19968] FAT-fs (loop5): bogus number of reserved sectors [ 401.304480][T19968] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 401.313591][T19968] FAT-fs (loop5): Can't find a valid FAT filesystem [ 401.338917][T19980] loop3: detected capacity change from 0 to 6 03:37:18 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xfffffff6}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:18 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x8000000, 0x0, 0x0) 03:37:18 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xf00}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:18 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x9d03, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 401.347930][T19980] FAT-fs (loop3): bogus number of reserved sectors [ 401.354502][T19980] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 401.363629][T19980] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:18 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0xbd07}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 401.413347][T20013] loop1: detected capacity change from 0 to 6 [ 401.422741][T20012] loop4: detected capacity change from 0 to 15 [ 401.430138][T20015] loop0: detected capacity change from 0 to 264192 [ 401.443523][T20015] FAT-fs (loop0): bogus number of reserved sectors [ 401.446441][T20012] FAT-fs (loop4): bogus number of reserved sectors 03:37:18 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x9000000, 0x0, 0x0) [ 401.450053][T20015] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 401.456530][T20012] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 401.456544][T20012] FAT-fs (loop4): Can't find a valid FAT filesystem [ 401.465642][T20015] FAT-fs (loop0): Can't find a valid FAT filesystem [ 401.486192][T20021] loop5: detected capacity change from 0 to 189 [ 401.496858][T20021] FAT-fs (loop5): bogus number of reserved sectors [ 401.503439][T20021] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code 03:37:18 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xcd}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:18 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0xa000000, 0x0, 0x0) [ 401.512856][T20021] FAT-fs (loop5): Can't find a valid FAT filesystem [ 401.543514][T20015] loop0: detected capacity change from 0 to 264192 [ 401.552660][T20015] FAT-fs (loop0): bogus number of reserved sectors 03:37:18 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x9d26, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:18 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x1020}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 401.559300][T20015] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 401.568496][T20015] FAT-fs (loop0): Can't find a valid FAT filesystem [ 401.575599][T20038] loop3: detected capacity change from 0 to 6 03:37:18 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x2, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:18 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xfffffffd}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:18 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0xb000000, 0x0, 0x0) [ 401.614098][T20038] FAT-fs (loop3): bogus number of reserved sectors [ 401.620645][T20038] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 401.629869][T20038] FAT-fs (loop3): Can't find a valid FAT filesystem [ 401.651612][T20051] loop4: detected capacity change from 0 to 16 [ 401.656221][T20053] loop1: detected capacity change from 0 to 6 [ 401.696554][T20051] FAT-fs (loop4): bogus number of reserved sectors [ 401.703248][T20051] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 401.709141][T20062] loop0: detected capacity change from 0 to 264192 [ 401.712418][T20051] FAT-fs (loop4): Can't find a valid FAT filesystem [ 401.728686][T20055] loop5: detected capacity change from 0 to 6 [ 401.729911][T20038] loop3: detected capacity change from 0 to 6 03:37:18 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0xc000000, 0x0, 0x0) [ 401.742051][T20055] FAT-fs (loop5): bogus number of reserved sectors [ 401.748575][T20055] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 401.757698][T20055] FAT-fs (loop5): Can't find a valid FAT filesystem [ 401.769132][T20062] FAT-fs (loop0): bogus number of reserved sectors [ 401.775698][T20062] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 401.784848][T20062] FAT-fs (loop0): Can't find a valid FAT filesystem 03:37:18 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x9e03, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:18 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0xd000000, 0x0, 0x0) [ 401.792280][T20038] FAT-fs (loop3): bogus number of reserved sectors [ 401.798812][T20038] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 401.807939][T20038] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:18 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x3, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:18 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xfc}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 401.855323][T20082] loop1: detected capacity change from 0 to 6 03:37:18 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x1100}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:18 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0xe000000, 0x0, 0x0) 03:37:18 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x9f03, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:18 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xfffffffe}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 401.933020][T20100] loop5: detected capacity change from 0 to 6 [ 401.949155][T20102] loop3: detected capacity change from 0 to 6 [ 401.955614][T20107] loop1: detected capacity change from 0 to 6 [ 401.978841][T20106] loop4: detected capacity change from 0 to 17 [ 401.982152][T20100] FAT-fs (loop5): bogus number of reserved sectors [ 401.991522][T20100] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 402.000626][T20100] FAT-fs (loop5): Can't find a valid FAT filesystem [ 402.005010][T20102] FAT-fs (loop3): bogus number of reserved sectors [ 402.013749][T20102] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 402.014883][T20115] loop0: detected capacity change from 0 to 264192 03:37:18 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0xf000000, 0x0, 0x0) [ 402.022970][T20102] FAT-fs (loop3): Can't find a valid FAT filesystem [ 402.027163][T20106] FAT-fs (loop4): bogus number of reserved sectors [ 402.042565][T20106] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 402.051682][T20106] FAT-fs (loop4): Can't find a valid FAT filesystem [ 402.064681][T20115] FAT-fs (loop0): bogus number of reserved sectors [ 402.071224][T20115] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code 03:37:18 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0xa003, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:18 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x10000000, 0x0, 0x0) [ 402.080493][T20115] FAT-fs (loop0): Can't find a valid FAT filesystem [ 402.101538][T20127] loop1: detected capacity change from 0 to 6 [ 402.120681][T20102] loop3: detected capacity change from 0 to 6 03:37:18 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x4, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:18 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x11000000, 0x0, 0x0) 03:37:18 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x1200}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:18 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0xa103, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 402.128984][T20102] FAT-fs (loop3): bogus number of reserved sectors [ 402.135512][T20102] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 402.144715][T20102] FAT-fs (loop3): Can't find a valid FAT filesystem [ 402.196269][T20151] loop5: detected capacity change from 0 to 6 [ 402.210166][T20151] FAT-fs (loop5): bogus number of reserved sectors [ 402.216712][T20151] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 402.225867][T20151] FAT-fs (loop5): Can't find a valid FAT filesystem [ 402.230680][T20154] loop1: detected capacity change from 0 to 6 03:37:18 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xfe}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:18 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x12000000, 0x0, 0x0) 03:37:18 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x8000000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 402.242048][T20156] loop4: detected capacity change from 0 to 18 [ 402.262601][T20156] FAT-fs (loop4): bogus number of reserved sectors [ 402.269141][T20156] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 402.278249][T20156] FAT-fs (loop4): Can't find a valid FAT filesystem 03:37:18 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x5, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:18 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0xa203, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 402.298361][T20169] loop3: detected capacity change from 0 to 6 [ 402.317263][T20169] FAT-fs (loop3): bogus number of reserved sectors [ 402.323837][T20169] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 402.332993][T20169] FAT-fs (loop3): Can't find a valid FAT filesystem [ 402.334563][T20175] loop0: detected capacity change from 0 to 131072 [ 402.370778][T20175] FAT-fs (loop0): bogus number of reserved sectors [ 402.377372][T20175] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 402.386526][T20175] FAT-fs (loop0): Can't find a valid FAT filesystem [ 402.395008][T20169] loop3: detected capacity change from 0 to 6 [ 402.398005][T20183] loop5: detected capacity change from 0 to 6 [ 402.408414][T20169] FAT-fs (loop3): bogus number of reserved sectors 03:37:19 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x13000000, 0x0, 0x0) [ 402.414944][T20169] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 402.424079][T20169] FAT-fs (loop3): Can't find a valid FAT filesystem [ 402.438517][T20191] loop1: detected capacity change from 0 to 6 [ 402.450207][T20183] FAT-fs (loop5): bogus number of reserved sectors [ 402.456806][T20183] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code 03:37:19 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x14000000, 0x0, 0x0) 03:37:19 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x2000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:19 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x80000000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:19 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x10e}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 402.465924][T20183] FAT-fs (loop5): Can't find a valid FAT filesystem 03:37:19 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0xa303, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 402.512531][T20204] loop4: detected capacity change from 0 to 32 [ 402.526295][T20204] FAT-fs (loop4): bogus number of reserved sectors [ 402.532850][T20204] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 402.541970][T20204] FAT-fs (loop4): Can't find a valid FAT filesystem [ 402.550860][T20210] loop3: detected capacity change from 0 to 6 03:37:19 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x15000000, 0x0, 0x0) [ 402.564837][T20210] FAT-fs (loop3): bogus number of reserved sectors [ 402.571479][T20210] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 402.580594][T20210] FAT-fs (loop3): Can't find a valid FAT filesystem [ 402.604020][T20219] loop1: detected capacity change from 0 to 6 03:37:19 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x6, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 402.618805][T20224] loop0: detected capacity change from 0 to 264192 [ 402.650680][T20224] FAT-fs (loop0): bogus number of reserved sectors [ 402.657204][T20224] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code 03:37:19 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x16000000, 0x0, 0x0) 03:37:19 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x2010}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 402.659960][T20210] loop3: detected capacity change from 0 to 6 [ 402.666332][T20224] FAT-fs (loop0): Can't find a valid FAT filesystem 03:37:19 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0xa403, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 402.714414][T20210] FAT-fs (loop3): bogus number of reserved sectors [ 402.717854][T20238] loop5: detected capacity change from 0 to 6 [ 402.720950][T20210] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 402.720964][T20210] FAT-fs (loop3): Can't find a valid FAT filesystem [ 402.738262][T20242] loop4: detected capacity change from 0 to 32 [ 402.749872][T20238] FAT-fs (loop5): bogus number of reserved sectors 03:37:19 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x17000000, 0x0, 0x0) 03:37:19 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x204}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 402.756467][T20238] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 402.765592][T20238] FAT-fs (loop5): Can't find a valid FAT filesystem [ 402.776614][T20242] FAT-fs (loop4): bogus number of reserved sectors [ 402.783173][T20242] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 402.792306][T20242] FAT-fs (loop4): Can't find a valid FAT filesystem [ 402.803590][T20248] loop1: detected capacity change from 0 to 6 03:37:19 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x2200}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:19 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x7, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:19 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xedc000000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 402.867935][T20266] loop4: detected capacity change from 0 to 34 [ 402.881899][T20266] FAT-fs (loop4): bogus number of reserved sectors [ 402.888470][T20266] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 402.897564][T20266] FAT-fs (loop4): Can't find a valid FAT filesystem 03:37:19 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x18000000, 0x0, 0x0) 03:37:19 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0xa503, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 402.922464][T20276] loop5: detected capacity change from 0 to 6 [ 402.933059][T20279] loop3: detected capacity change from 0 to 6 [ 402.950429][T20276] FAT-fs (loop5): bogus number of reserved sectors [ 402.953226][T20281] loop0: detected capacity change from 0 to 264192 [ 402.956943][T20276] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 402.972565][T20276] FAT-fs (loop5): Can't find a valid FAT filesystem [ 402.984234][T20279] FAT-fs (loop3): bogus number of reserved sectors [ 402.990802][T20279] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 402.999978][T20279] FAT-fs (loop3): Can't find a valid FAT filesystem [ 403.007058][T20290] loop1: detected capacity change from 0 to 6 [ 403.016016][T20281] FAT-fs (loop0): bogus number of reserved sectors 03:37:19 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x8, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 403.022572][T20281] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 403.031682][T20281] FAT-fs (loop0): Can't find a valid FAT filesystem [ 403.049646][T20279] loop3: detected capacity change from 0 to 6 [ 403.057726][T20279] FAT-fs (loop3): bogus number of reserved sectors [ 403.064261][T20279] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code 03:37:19 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x2329}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:19 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x19000000, 0x0, 0x0) [ 403.073498][T20279] FAT-fs (loop3): Can't find a valid FAT filesystem [ 403.092974][T20304] loop5: detected capacity change from 0 to 6 [ 403.113570][T20304] FAT-fs (loop5): bogus number of reserved sectors 03:37:19 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0xa603, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:19 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x9, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 403.117048][T20312] loop4: detected capacity change from 0 to 35 [ 403.120116][T20304] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 403.135328][T20304] FAT-fs (loop5): Can't find a valid FAT filesystem [ 403.136431][T20312] FAT-fs (loop4): bogus number of reserved sectors [ 403.148423][T20312] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 403.157533][T20312] FAT-fs (loop4): Can't find a valid FAT filesystem 03:37:19 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x1a000000, 0x0, 0x0) 03:37:19 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x300}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 403.204519][T20326] loop1: detected capacity change from 0 to 6 [ 403.235613][T20335] loop5: detected capacity change from 0 to 6 03:37:19 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x2500}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:19 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0xb402, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:19 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x1000000000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:19 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x1b000000, 0x0, 0x0) [ 403.262513][T20335] FAT-fs (loop5): bogus number of reserved sectors [ 403.269081][T20335] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 403.272399][T20342] loop3: detected capacity change from 0 to 6 [ 403.278220][T20335] FAT-fs (loop5): Can't find a valid FAT filesystem [ 403.333976][T20351] loop0: detected capacity change from 0 to 4096 [ 403.343241][T20351] FAT-fs (loop0): bogus number of reserved sectors [ 403.347112][T20352] loop4: detected capacity change from 0 to 37 [ 403.349805][T20351] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 403.357021][T20342] FAT-fs (loop3): bogus number of reserved sectors [ 403.365022][T20351] FAT-fs (loop0): Can't find a valid FAT filesystem 03:37:20 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0xa, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:20 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x1c000000, 0x0, 0x0) [ 403.378106][T20342] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 403.380919][T20353] loop1: detected capacity change from 0 to 6 [ 403.387275][T20342] FAT-fs (loop3): Can't find a valid FAT filesystem [ 403.407324][T20352] FAT-fs (loop4): bogus number of reserved sectors [ 403.413939][T20352] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 403.423143][T20352] FAT-fs (loop4): Can't find a valid FAT filesystem 03:37:20 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x7ffffffffffff}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:20 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0xb626, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:20 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x2804}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:20 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x1d000000, 0x0, 0x0) [ 403.483628][T20342] loop3: detected capacity change from 0 to 6 [ 403.490830][T20342] FAT-fs (loop3): bogus number of reserved sectors [ 403.497327][T20342] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 403.506473][T20342] FAT-fs (loop3): Can't find a valid FAT filesystem [ 403.517296][T20376] loop5: detected capacity change from 0 to 6 03:37:20 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x1e000000, 0x0, 0x0) [ 403.562964][T20376] FAT-fs (loop5): bogus number of reserved sectors [ 403.569508][T20376] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 403.578627][T20376] FAT-fs (loop5): Can't find a valid FAT filesystem [ 403.586994][T20397] loop0: detected capacity change from 0 to 32767 [ 403.594444][T20398] loop4: detected capacity change from 0 to 40 [ 403.607105][T20402] loop1: detected capacity change from 0 to 6 [ 403.618464][T20398] FAT-fs (loop4): bogus number of reserved sectors [ 403.625002][T20398] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 403.634133][T20398] FAT-fs (loop4): Can't find a valid FAT filesystem [ 403.653562][T20397] FAT-fs (loop0): bogus number of reserved sectors 03:37:20 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x303}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:20 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0xb, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:20 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x1f000000, 0x0, 0x0) [ 403.660102][T20397] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 403.669207][T20397] FAT-fs (loop0): Can't find a valid FAT filesystem [ 403.708511][T20421] loop3: detected capacity change from 0 to 6 03:37:20 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x2923}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 403.716146][T20426] loop5: detected capacity change from 0 to 6 [ 403.737931][T20421] FAT-fs (loop3): bogus number of reserved sectors [ 403.744551][T20421] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 403.747036][T20426] FAT-fs (loop5): bogus number of reserved sectors [ 403.753673][T20421] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:20 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0xba02, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:20 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x20000000, 0x0, 0x0) 03:37:20 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x100000000000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 403.760177][T20426] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 403.775975][T20426] FAT-fs (loop5): Can't find a valid FAT filesystem [ 403.793160][T20437] loop1: detected capacity change from 0 to 6 [ 403.819830][T20438] loop4: detected capacity change from 0 to 41 [ 403.829906][T20444] loop0: detected capacity change from 0 to 264192 [ 403.843029][T20444] FAT-fs (loop0): bogus number of reserved sectors [ 403.849562][T20444] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 403.858680][T20444] FAT-fs (loop0): Can't find a valid FAT filesystem 03:37:20 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0xbb02, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 403.870311][T20421] loop3: detected capacity change from 0 to 6 [ 403.877869][T20421] FAT-fs (loop3): bogus number of reserved sectors [ 403.884422][T20421] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 403.893590][T20421] FAT-fs (loop3): Can't find a valid FAT filesystem [ 403.897813][T20438] FAT-fs (loop4): bogus number of reserved sectors [ 403.906691][T20438] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code 03:37:20 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x21000000, 0x0, 0x0) [ 403.915831][T20438] FAT-fs (loop4): Can't find a valid FAT filesystem [ 403.942928][T20460] loop1: detected capacity change from 0 to 6 03:37:20 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0xedc0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:20 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x332}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:20 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x3f00}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:20 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x22000000, 0x0, 0x0) 03:37:20 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0xc, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:20 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x10e000000000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 404.009119][T20478] loop1: detected capacity change from 0 to 6 [ 404.028671][T20484] loop4: detected capacity change from 0 to 63 [ 404.045652][T20484] FAT-fs (loop4): bogus number of reserved sectors 03:37:20 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0xfeff, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 404.052210][T20484] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 404.053272][T20483] loop3: detected capacity change from 0 to 6 [ 404.061409][T20484] FAT-fs (loop4): Can't find a valid FAT filesystem [ 404.091665][T20494] loop5: detected capacity change from 0 to 6 [ 404.096220][T20496] loop0: detected capacity change from 0 to 49152 03:37:20 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x23000000, 0x0, 0x0) [ 404.107266][T20494] FAT-fs (loop5): bogus number of reserved sectors [ 404.113791][T20494] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 404.122990][T20494] FAT-fs (loop5): Can't find a valid FAT filesystem [ 404.134036][T20496] FAT-fs (loop0): bogus number of reserved sectors [ 404.140577][T20496] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 404.144370][T20503] loop1: detected capacity change from 0 to 6 03:37:20 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0xd, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:20 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x24000000, 0x0, 0x0) 03:37:20 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x4000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 404.149701][T20496] FAT-fs (loop0): Can't find a valid FAT filesystem [ 404.167404][T20483] FAT-fs (loop3): bogus number of reserved sectors [ 404.173963][T20483] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 404.183088][T20483] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:20 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0xff0f, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 404.241089][T20519] loop5: detected capacity change from 0 to 6 [ 404.254399][T20524] loop4: detected capacity change from 0 to 64 [ 404.257843][T20519] FAT-fs (loop5): bogus number of reserved sectors [ 404.263189][T20524] FAT-fs (loop4): bogus number of reserved sectors [ 404.267164][T20519] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 404.267178][T20519] FAT-fs (loop5): Can't find a valid FAT filesystem 03:37:20 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0xff8f0000, 0x0, 0x0) [ 404.273678][T20524] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 404.298486][T20524] FAT-fs (loop4): Can't find a valid FAT filesystem [ 404.308363][T20483] loop3: detected capacity change from 0 to 6 [ 404.316041][T20483] FAT-fs (loop3): bogus number of reserved sectors [ 404.322558][T20483] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 404.331705][T20483] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:21 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x333}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:21 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x200000000000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:21 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x4800}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:21 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0xe, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 404.351979][T20540] loop1: detected capacity change from 0 to 6 03:37:21 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x30000000000000, 0x0, 0x0) [ 404.414915][T20554] loop3: detected capacity change from 0 to 6 [ 404.432960][T20559] loop4: detected capacity change from 0 to 72 03:37:21 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0xfffe, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 404.456723][T20563] loop0: detected capacity change from 0 to 264192 [ 404.466355][T20554] FAT-fs (loop3): bogus number of reserved sectors [ 404.472925][T20554] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 404.482259][T20554] FAT-fs (loop3): Can't find a valid FAT filesystem [ 404.491853][T20564] loop5: detected capacity change from 0 to 6 [ 404.492885][T20559] FAT-fs (loop4): bogus number of reserved sectors [ 404.501565][T20564] FAT-fs (loop5): bogus number of reserved sectors [ 404.504444][T20559] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 404.510917][T20564] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 404.510932][T20564] FAT-fs (loop5): Can't find a valid FAT filesystem [ 404.520018][T20559] FAT-fs (loop4): Can't find a valid FAT filesystem [ 404.539918][T20563] FAT-fs (loop0): bogus number of reserved sectors [ 404.544715][T20570] loop1: detected capacity change from 0 to 6 [ 404.548804][T20563] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 404.563965][T20563] FAT-fs (loop0): Can't find a valid FAT filesystem [ 404.580495][T20554] loop3: detected capacity change from 0 to 6 [ 404.586926][T20554] FAT-fs (loop3): bogus number of reserved sectors [ 404.593467][T20554] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code 03:37:21 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x80000000000000, 0x0, 0x0) 03:37:21 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x383}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:21 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0xf, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 404.602838][T20554] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:21 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x4c00}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:21 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x20000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 404.688794][T20599] loop3: detected capacity change from 0 to 6 [ 404.694291][T20601] loop4: detected capacity change from 0 to 76 [ 404.696849][T20600] loop1: detected capacity change from 0 to 6 [ 404.703879][T20603] loop5: detected capacity change from 0 to 6 [ 404.717347][T20599] FAT-fs (loop3): bogus number of reserved sectors [ 404.723888][T20599] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code 03:37:21 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x204000000000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 404.733036][T20599] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:21 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x80000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 404.769035][T20603] FAT-fs (loop5): bogus number of reserved sectors [ 404.775551][T20603] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 404.784725][T20603] FAT-fs (loop5): Can't find a valid FAT filesystem [ 404.786588][T20618] loop0: detected capacity change from 0 to 6 [ 404.801096][T20601] FAT-fs (loop4): bogus number of reserved sectors [ 404.806371][T20618] FAT-fs (loop0): bogus number of reserved sectors 03:37:21 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x100000000000000, 0x0, 0x0) [ 404.807658][T20601] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 404.814170][T20618] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; DOS 2.x BPB is non-zero [ 404.823254][T20601] FAT-fs (loop4): Can't find a valid FAT filesystem [ 404.839140][T20618] FAT-fs (loop0): Can't find a valid FAT filesystem [ 404.847412][T20621] loop1: detected capacity change from 0 to 6 03:37:21 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x10, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:21 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x6000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:21 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x200000000000000, 0x0, 0x0) [ 404.871737][T20599] loop3: detected capacity change from 0 to 6 [ 404.879618][T20599] FAT-fs (loop3): bogus number of reserved sectors [ 404.886128][T20599] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 404.895251][T20599] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:21 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x80040, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:21 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x300000000000000, 0x0, 0x0) [ 404.937882][T20646] loop5: detected capacity change from 0 to 6 [ 404.958422][T20653] loop4: detected capacity change from 0 to 96 [ 404.971087][T20646] FAT-fs (loop5): bogus number of reserved sectors [ 404.977795][T20646] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code 03:37:21 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x3c1}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:21 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x300000000000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 404.986908][T20646] FAT-fs (loop5): Can't find a valid FAT filesystem [ 404.994832][T20656] loop1: detected capacity change from 0 to 6 [ 405.021883][T20653] FAT-fs (loop4): bogus number of reserved sectors [ 405.028454][T20653] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code 03:37:21 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x400000000000000, 0x0, 0x0) 03:37:21 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x400000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 405.037545][T20653] FAT-fs (loop4): Can't find a valid FAT filesystem [ 405.052987][T20674] loop3: detected capacity change from 0 to 6 [ 405.073116][T20674] FAT-fs (loop3): bogus number of reserved sectors [ 405.079767][T20674] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 405.088901][T20674] FAT-fs (loop3): Can't find a valid FAT filesystem [ 405.097040][T20678] loop0: detected capacity change from 0 to 264192 [ 405.103064][T20685] loop1: detected capacity change from 0 to 6 [ 405.121971][T20685] FAT-fs (loop1): bogus number of reserved sectors 03:37:21 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x11, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:21 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x6800}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:21 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x500000000000000, 0x0, 0x0) [ 405.128539][T20685] FAT-fs (loop1): This looks like a DOS 1.x volume, but isn't a recognized floppy size (6 sectors) [ 405.139235][T20685] FAT-fs (loop1): Can't find a valid FAT filesystem [ 405.148925][T20674] loop3: detected capacity change from 0 to 6 [ 405.176555][T20674] FAT-fs (loop3): bogus number of reserved sectors 03:37:21 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x600000000000000, 0x0, 0x0) [ 405.183096][T20674] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 405.192216][T20674] FAT-fs (loop3): Can't find a valid FAT filesystem [ 405.200987][T20678] FAT-fs (loop0): bogus number of reserved sectors [ 405.207501][T20678] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 405.216625][T20678] FAT-fs (loop0): Can't find a valid FAT filesystem [ 405.226071][T20699] loop5: detected capacity change from 0 to 6 03:37:21 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x1000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:21 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x700000000000000, 0x0, 0x0) [ 405.237767][T20702] loop4: detected capacity change from 0 to 104 [ 405.240003][T20699] FAT-fs (loop5): bogus number of reserved sectors [ 405.250623][T20699] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 405.259748][T20699] FAT-fs (loop5): Can't find a valid FAT filesystem [ 405.266751][T20702] FAT-fs (loop4): bogus number of reserved sectors [ 405.273281][T20702] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 405.282387][T20702] FAT-fs (loop4): Can't find a valid FAT filesystem 03:37:22 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x12, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:22 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x10e0000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 405.324568][T20723] loop1: detected capacity change from 0 to 6 [ 405.340076][T20723] FAT-fs (loop1): bogus number of reserved sectors [ 405.346792][T20723] FAT-fs (loop1): This looks like a DOS 1.x volume, but isn't a recognized floppy size (6 sectors) [ 405.357597][T20723] FAT-fs (loop1): Can't find a valid FAT filesystem 03:37:22 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x3c2}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 405.387482][T20730] loop5: detected capacity change from 0 to 6 [ 405.408670][T20738] loop1: detected capacity change from 0 to 6 [ 405.417722][T20730] FAT-fs (loop5): bogus number of reserved sectors [ 405.424288][T20730] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 405.433430][T20730] FAT-fs (loop5): Can't find a valid FAT filesystem 03:37:22 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x400000000000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:22 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x800000000000000, 0x0, 0x0) 03:37:22 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x6c00}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:22 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x2000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 405.476381][T20751] loop3: detected capacity change from 0 to 6 [ 405.493882][T20751] FAT-fs (loop3): bogus number of reserved sectors [ 405.500408][T20751] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 405.509531][T20751] FAT-fs (loop3): Can't find a valid FAT filesystem [ 405.549366][T20751] loop3: detected capacity change from 0 to 6 [ 405.555745][T20767] loop0: detected capacity change from 0 to 264192 [ 405.562902][T20751] FAT-fs (loop3): bogus number of reserved sectors [ 405.569422][T20751] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 405.572321][T20770] loop4: detected capacity change from 0 to 108 [ 405.578539][T20751] FAT-fs (loop3): Can't find a valid FAT filesystem [ 405.602386][T20767] FAT-fs (loop0): bogus number of reserved sectors [ 405.608928][T20767] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 405.614107][T20776] loop1: detected capacity change from 0 to 6 [ 405.618026][T20767] FAT-fs (loop0): Can't find a valid FAT filesystem [ 405.621980][T20770] FAT-fs (loop4): bogus number of reserved sectors [ 405.637196][T20770] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 405.643230][T20776] FAT-fs (loop1): bogus number of reserved sectors 03:37:22 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x22, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:22 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x2040000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:22 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x900000000000000, 0x0, 0x0) [ 405.646307][T20770] FAT-fs (loop4): Can't find a valid FAT filesystem [ 405.652819][T20776] FAT-fs (loop1): This looks like a DOS 1.x volume, but isn't a recognized floppy size (6 sectors) [ 405.670032][T20776] FAT-fs (loop1): Can't find a valid FAT filesystem [ 405.672381][T20781] loop5: detected capacity change from 0 to 6 03:37:22 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x3c3}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:22 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x25, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 405.713239][T20788] loop1: detected capacity change from 0 to 6 03:37:22 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x7400}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:22 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0xa00000000000000, 0x0, 0x0) 03:37:22 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x3000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 405.768190][T20808] loop3: detected capacity change from 0 to 6 [ 405.799737][T20812] loop5: detected capacity change from 0 to 6 [ 405.805977][T20808] FAT-fs (loop3): bogus number of reserved sectors 03:37:22 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x500000000000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 405.812582][T20808] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 405.821703][T20808] FAT-fs (loop3): Can't find a valid FAT filesystem [ 405.822939][T20820] loop1: detected capacity change from 0 to 6 [ 405.845317][T20821] loop4: detected capacity change from 0 to 116 [ 405.859291][T20808] loop3: detected capacity change from 0 to 6 [ 405.870879][T20820] FAT-fs (loop1): bogus number of reserved sectors [ 405.870903][T20821] FAT-fs (loop4): bogus number of reserved sectors [ 405.877426][T20820] FAT-fs (loop1): This looks like a DOS 1.x volume, but isn't a recognized floppy size (6 sectors) [ 405.883963][T20821] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 405.894633][T20820] FAT-fs (loop1): Can't find a valid FAT filesystem [ 405.903711][T20821] FAT-fs (loop4): Can't find a valid FAT filesystem 03:37:22 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0xb00000000000000, 0x0, 0x0) 03:37:22 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x48, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 405.917865][T20808] FAT-fs (loop3): bogus number of reserved sectors [ 405.924420][T20808] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 405.933588][T20808] FAT-fs (loop3): Can't find a valid FAT filesystem [ 405.937912][T20838] loop0: detected capacity change from 0 to 264192 03:37:22 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0xc00000000000000, 0x0, 0x0) [ 405.970469][T20838] FAT-fs (loop0): bogus number of reserved sectors [ 405.975809][T20850] loop5: detected capacity change from 0 to 6 [ 405.976998][T20838] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 405.992193][T20838] FAT-fs (loop0): Can't find a valid FAT filesystem [ 406.005932][T20850] FAT-fs (loop5): bogus number of reserved sectors [ 406.012487][T20850] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code 03:37:22 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x3c4}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 406.021631][T20850] FAT-fs (loop5): Can't find a valid FAT filesystem [ 406.043490][T20859] loop3: detected capacity change from 0 to 6 [ 406.052068][T20859] FAT-fs (loop3): bogus number of reserved sectors [ 406.058699][T20859] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code 03:37:22 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x7a00}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 406.067795][T20859] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:22 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0xd00000000000000, 0x0, 0x0) 03:37:22 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x4000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 406.111250][T20871] loop4: detected capacity change from 0 to 122 [ 406.124408][T20871] FAT-fs (loop4): bogus number of reserved sectors [ 406.130948][T20871] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 406.140090][T20871] FAT-fs (loop4): Can't find a valid FAT filesystem [ 406.154820][T20859] loop3: detected capacity change from 0 to 6 [ 406.162636][T20859] FAT-fs (loop3): bogus number of reserved sectors [ 406.169171][T20859] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 406.178289][T20859] FAT-fs (loop3): Can't find a valid FAT filesystem [ 406.199925][T20884] loop1: detected capacity change from 0 to 6 03:37:22 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x4c, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:22 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0xe00000000000000, 0x0, 0x0) [ 406.217555][T20884] FAT-fs (loop1): bogus number of reserved sectors [ 406.224091][T20884] FAT-fs (loop1): This looks like a DOS 1.x volume, but isn't a recognized floppy size (6 sectors) [ 406.234847][T20884] FAT-fs (loop1): Can't find a valid FAT filesystem 03:37:22 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x600000000000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:22 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0xf00000000000000, 0x0, 0x0) 03:37:22 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x3c5}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:22 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x5000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 406.263388][T20895] loop5: detected capacity change from 0 to 6 [ 406.271973][T20895] FAT-fs (loop5): bogus number of reserved sectors [ 406.278523][T20895] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 406.287788][T20895] FAT-fs (loop5): Can't find a valid FAT filesystem 03:37:22 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x1000000000000000, 0x0, 0x0) 03:37:23 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x8703}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 406.363651][T20915] loop0: detected capacity change from 0 to 264192 [ 406.384472][T20917] loop1: detected capacity change from 0 to 6 [ 406.402520][T20915] FAT-fs (loop0): bogus number of reserved sectors 03:37:23 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x60, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 406.409088][T20915] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 406.415271][T20928] loop3: detected capacity change from 0 to 6 [ 406.418187][T20915] FAT-fs (loop0): Can't find a valid FAT filesystem 03:37:23 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x1100000000000000, 0x0, 0x0) [ 406.454816][T20935] loop5: detected capacity change from 0 to 6 [ 406.468847][T20932] loop4: detected capacity change from 0 to 135 [ 406.477288][T20917] FAT-fs (loop1): bogus number of reserved sectors [ 406.483839][T20917] FAT-fs (loop1): This looks like a DOS 1.x volume, but isn't a recognized floppy size (6 sectors) [ 406.491890][T20928] FAT-fs (loop3): bogus number of reserved sectors 03:37:23 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x1200000000000000, 0x0, 0x0) [ 406.494530][T20917] FAT-fs (loop1): Can't find a valid FAT filesystem [ 406.501043][T20928] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 406.516713][T20928] FAT-fs (loop3): Can't find a valid FAT filesystem [ 406.536851][T20932] FAT-fs (loop4): bogus number of reserved sectors [ 406.543452][T20932] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code 03:37:23 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x68, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 406.552592][T20932] FAT-fs (loop4): Can't find a valid FAT filesystem [ 406.571228][T20928] loop3: detected capacity change from 0 to 6 [ 406.581848][T20928] FAT-fs (loop3): bogus number of reserved sectors [ 406.588438][T20928] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 406.597539][T20928] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:23 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x6000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:23 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x1300000000000000, 0x0, 0x0) 03:37:23 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x604000000000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:23 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x3c6}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 406.620104][T20966] loop5: detected capacity change from 0 to 6 03:37:23 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xcf03}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:23 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x6c, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 406.691565][T20984] loop1: detected capacity change from 0 to 6 [ 406.701022][T20988] loop3: detected capacity change from 0 to 6 [ 406.709761][T20984] FAT-fs (loop1): bogus number of reserved sectors [ 406.716297][T20984] FAT-fs (loop1): This looks like a DOS 1.x volume, but isn't a recognized floppy size (6 sectors) [ 406.727067][T20984] FAT-fs (loop1): Can't find a valid FAT filesystem [ 406.729072][T20992] loop0: detected capacity change from 0 to 264192 03:37:23 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x1400000000000000, 0x0, 0x0) [ 406.750640][T20988] FAT-fs (loop3): bogus number of reserved sectors [ 406.757163][T20988] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 406.766381][T20988] FAT-fs (loop3): Can't find a valid FAT filesystem [ 406.771387][T20997] loop4: detected capacity change from 0 to 207 [ 406.787767][T21001] loop5: detected capacity change from 0 to 6 [ 406.794385][T20992] FAT-fs (loop0): bogus number of reserved sectors 03:37:23 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x6040000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:23 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x1500000000000000, 0x0, 0x0) [ 406.800931][T20992] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 406.810090][T20992] FAT-fs (loop0): Can't find a valid FAT filesystem [ 406.824395][T20988] loop3: detected capacity change from 0 to 6 [ 406.837063][T20988] FAT-fs (loop3): bogus number of reserved sectors 03:37:23 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x7000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:23 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x1600000000000000, 0x0, 0x0) [ 406.843600][T20988] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 406.852720][T20988] FAT-fs (loop3): Can't find a valid FAT filesystem [ 406.863914][T20997] FAT-fs (loop4): bogus number of reserved sectors [ 406.870449][T20997] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 406.880184][T20997] FAT-fs (loop4): Can't find a valid FAT filesystem [ 406.894006][T21014] loop1: detected capacity change from 0 to 6 03:37:23 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x3c7}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:23 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x1700000000000000, 0x0, 0x0) 03:37:23 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xd003}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 406.993151][T21047] loop3: detected capacity change from 0 to 6 [ 407.011132][T21045] loop1: detected capacity change from 0 to 6 03:37:23 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x700000000000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:23 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x74, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 407.033507][T21045] FAT-fs (loop1): bogus number of reserved sectors [ 407.040045][T21045] FAT-fs (loop1): This looks like a DOS 1.x volume, but isn't a recognized floppy size (6 sectors) [ 407.050758][T21045] FAT-fs (loop1): Can't find a valid FAT filesystem [ 407.052731][T21057] loop5: detected capacity change from 0 to 6 [ 407.064041][T21047] FAT-fs (loop3): bogus number of reserved sectors [ 407.070573][T21047] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 407.072802][T21059] loop4: detected capacity change from 0 to 208 [ 407.079749][T21047] FAT-fs (loop3): Can't find a valid FAT filesystem [ 407.109411][T21059] FAT-fs (loop4): bogus number of reserved sectors [ 407.116568][T21059] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 407.125207][T21067] loop0: detected capacity change from 0 to 264192 03:37:23 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x1800000000000000, 0x0, 0x0) 03:37:23 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x3c8}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:23 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x7a, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:23 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x8000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 407.126784][T21059] FAT-fs (loop4): Can't find a valid FAT filesystem 03:37:23 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x3c9}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 407.182912][T21067] FAT-fs (loop0): bogus number of reserved sectors [ 407.189465][T21067] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 407.198603][T21067] FAT-fs (loop0): Can't find a valid FAT filesystem [ 407.206668][T21080] loop5: detected capacity change from 0 to 6 [ 407.217056][T21085] loop1: detected capacity change from 0 to 6 [ 407.225163][T21088] loop3: detected capacity change from 0 to 6 03:37:23 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x1900000000000000, 0x0, 0x0) 03:37:23 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x3ca}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 407.238981][T21088] FAT-fs (loop3): bogus number of reserved sectors [ 407.245505][T21088] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 407.253928][T21085] FAT-fs (loop1): bogus number of reserved sectors [ 407.254635][T21088] FAT-fs (loop3): Can't find a valid FAT filesystem [ 407.261152][T21085] FAT-fs (loop1): This looks like a DOS 1.x volume, but isn't a recognized floppy size (6 sectors) [ 407.278375][T21085] FAT-fs (loop1): Can't find a valid FAT filesystem 03:37:23 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xd103}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:23 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x1a00000000000000, 0x0, 0x0) [ 407.301909][T21067] loop0: detected capacity change from 0 to 264192 [ 407.343234][T21067] FAT-fs (loop0): bogus number of reserved sectors [ 407.347166][T21109] loop4: detected capacity change from 0 to 209 [ 407.349808][T21067] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 407.359877][T21109] FAT-fs (loop4): bogus number of reserved sectors [ 407.365229][T21067] FAT-fs (loop0): Can't find a valid FAT filesystem [ 407.371827][T21109] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code 03:37:24 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0xfe, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:24 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x800000000000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 407.387573][T21109] FAT-fs (loop4): Can't find a valid FAT filesystem [ 407.390489][T21112] loop3: detected capacity change from 0 to 6 [ 407.417475][T21112] FAT-fs (loop3): bogus number of reserved sectors [ 407.424200][T21112] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 407.433476][T21112] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:24 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x1b00000000000000, 0x0, 0x0) [ 407.438464][T21118] loop5: detected capacity change from 0 to 6 03:37:24 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x10e, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 407.468742][T21123] loop0: detected capacity change from 0 to 264192 [ 407.483690][T21112] loop3: detected capacity change from 0 to 6 [ 407.493084][T21112] FAT-fs (loop3): bogus number of reserved sectors [ 407.499669][T21112] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 407.508785][T21112] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:24 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x9000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:24 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xd203}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:24 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x1c00000000000000, 0x0, 0x0) [ 407.522857][T21123] FAT-fs (loop0): bogus number of reserved sectors [ 407.529414][T21123] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 407.538525][T21123] FAT-fs (loop0): Can't find a valid FAT filesystem [ 407.555059][T21144] loop5: detected capacity change from 0 to 6 [ 407.562726][T21148] loop4: detected capacity change from 0 to 210 03:37:24 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x3cb}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 407.567312][T21150] loop1: detected capacity change from 0 to 6 [ 407.572160][T21148] FAT-fs (loop4): bogus number of reserved sectors [ 407.581644][T21148] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 407.590784][T21148] FAT-fs (loop4): Can't find a valid FAT filesystem [ 407.597671][T21150] FAT-fs (loop1): bogus number of reserved sectors [ 407.604219][T21150] FAT-fs (loop1): This looks like a DOS 1.x volume, but isn't a recognized floppy size (6 sectors) [ 407.614903][T21150] FAT-fs (loop1): Can't find a valid FAT filesystem [ 407.624478][T21144] FAT-fs (loop5): bogus number of reserved sectors [ 407.631035][T21144] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 407.640213][T21144] FAT-fs (loop5): Can't find a valid FAT filesystem [ 407.659231][T21166] loop3: detected capacity change from 0 to 6 03:37:24 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xd303}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:24 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x1d00000000000000, 0x0, 0x0) 03:37:24 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x3cc}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 407.677020][T21166] FAT-fs (loop3): bogus number of reserved sectors [ 407.683670][T21166] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 407.692788][T21166] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:24 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x900000000000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:24 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x144, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:24 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0xa000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 407.746816][T21180] loop3: detected capacity change from 0 to 6 [ 407.756872][T21185] loop4: detected capacity change from 0 to 211 [ 407.783047][T21188] loop0: detected capacity change from 0 to 264192 [ 407.787823][T21185] FAT-fs (loop4): bogus number of reserved sectors [ 407.796108][T21185] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 407.796563][T21196] loop1: detected capacity change from 0 to 6 [ 407.805243][T21185] FAT-fs (loop4): Can't find a valid FAT filesystem [ 407.819893][T21180] FAT-fs (loop3): bogus number of reserved sectors [ 407.826409][T21180] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 407.835547][T21180] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:24 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x1e00000000000000, 0x0, 0x0) [ 407.845117][T21188] FAT-fs (loop0): bogus number of reserved sectors [ 407.845411][T21197] loop5: detected capacity change from 0 to 6 [ 407.851653][T21188] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 407.867126][T21188] FAT-fs (loop0): Can't find a valid FAT filesystem [ 407.880424][T21196] FAT-fs (loop1): bogus number of reserved sectors [ 407.886940][T21196] FAT-fs (loop1): This looks like a DOS 1.x volume, but isn't a recognized floppy size (6 sectors) 03:37:24 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x1f00000000000000, 0x0, 0x0) [ 407.897721][T21196] FAT-fs (loop1): Can't find a valid FAT filesystem [ 407.898723][T21197] FAT-fs (loop5): bogus number of reserved sectors [ 407.910881][T21197] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 407.919992][T21197] FAT-fs (loop5): Can't find a valid FAT filesystem 03:37:24 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0xb000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:24 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xa00000000000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:24 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xd403}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 407.949321][T21180] loop3: detected capacity change from 0 to 6 [ 407.963079][T21180] FAT-fs (loop3): bogus number of reserved sectors [ 407.969635][T21180] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 407.978870][T21180] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:24 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x2000000000000000, 0x0, 0x0) 03:37:24 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x145, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 408.033196][T21235] loop4: detected capacity change from 0 to 212 [ 408.040805][T21236] loop0: detected capacity change from 0 to 264192 [ 408.048372][T21235] FAT-fs (loop4): bogus number of reserved sectors [ 408.053440][T21237] loop1: detected capacity change from 0 to 6 [ 408.054879][T21235] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 408.054894][T21235] FAT-fs (loop4): Can't find a valid FAT filesystem 03:37:24 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x402}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 408.088407][T21236] FAT-fs (loop0): bogus number of reserved sectors [ 408.094918][T21236] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 408.099630][T21244] loop5: detected capacity change from 0 to 6 [ 408.104039][T21236] FAT-fs (loop0): Can't find a valid FAT filesystem [ 408.121015][T21237] FAT-fs (loop1): bogus number of reserved sectors [ 408.127545][T21237] FAT-fs (loop1): This looks like a DOS 1.x volume, but isn't a recognized floppy size (6 sectors) [ 408.129366][T21248] loop3: detected capacity change from 0 to 6 [ 408.138343][T21237] FAT-fs (loop1): Can't find a valid FAT filesystem [ 408.176057][T21244] FAT-fs (loop5): bogus number of reserved sectors 03:37:24 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0xc000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:24 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xb00000000000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:24 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xd503}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 408.182712][T21244] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 408.191908][T21244] FAT-fs (loop5): Can't find a valid FAT filesystem [ 408.228179][T21248] FAT-fs (loop3): bogus number of reserved sectors 03:37:24 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x2100000000000000, 0x0, 0x0) [ 408.234769][T21248] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 408.243988][T21248] FAT-fs (loop3): Can't find a valid FAT filesystem [ 408.249657][T21267] loop0: detected capacity change from 0 to 264192 [ 408.259045][T21268] loop4: detected capacity change from 0 to 213 [ 408.266791][T21267] FAT-fs (loop0): bogus number of reserved sectors [ 408.273402][T21267] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 408.278656][T21271] loop1: detected capacity change from 0 to 6 03:37:24 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x2200000000000000, 0x0, 0x0) [ 408.282579][T21267] FAT-fs (loop0): Can't find a valid FAT filesystem [ 408.298058][T21268] FAT-fs (loop4): bogus number of reserved sectors [ 408.304597][T21268] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 408.313715][T21268] FAT-fs (loop4): Can't find a valid FAT filesystem 03:37:24 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x14b, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:24 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x2300000000000000, 0x0, 0x0) [ 408.341441][T21271] FAT-fs (loop1): bogus number of reserved sectors [ 408.347954][T21271] FAT-fs (loop1): This looks like a DOS 1.x volume, but isn't a recognized floppy size (6 sectors) [ 408.358740][T21271] FAT-fs (loop1): Can't find a valid FAT filesystem [ 408.382278][T21291] loop5: detected capacity change from 0 to 6 [ 408.400017][T21291] FAT-fs (loop5): bogus number of reserved sectors [ 408.406609][T21291] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 408.415749][T21291] FAT-fs (loop5): Can't find a valid FAT filesystem 03:37:25 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x2400000000000000, 0x0, 0x0) 03:37:25 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xc00000000000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:25 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0xd000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:25 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xd603}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 408.436743][T21248] loop3: detected capacity change from 0 to 6 [ 408.451097][T21248] FAT-fs (loop3): bogus number of reserved sectors [ 408.457680][T21248] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 408.466813][T21248] FAT-fs (loop3): Can't find a valid FAT filesystem [ 408.472149][T21318] loop0: detected capacity change from 0 to 264192 [ 408.514853][T21318] FAT-fs (loop0): bogus number of reserved sectors [ 408.521416][T21318] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 408.530610][T21318] FAT-fs (loop0): Can't find a valid FAT filesystem [ 408.540125][T21325] loop1: detected capacity change from 0 to 6 [ 408.540745][T21326] loop4: detected capacity change from 0 to 214 [ 408.555313][T21325] FAT-fs (loop1): bogus number of reserved sectors 03:37:25 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x406}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:25 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x204, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:25 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0xff8f000000000000, 0x0, 0x0) [ 408.556426][T21326] FAT-fs (loop4): bogus number of reserved sectors [ 408.561845][T21325] FAT-fs (loop1): This looks like a DOS 1.x volume, but isn't a recognized floppy size (6 sectors) [ 408.568341][T21326] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 408.578989][T21325] FAT-fs (loop1): Can't find a valid FAT filesystem [ 408.594667][T21326] FAT-fs (loop4): Can't find a valid FAT filesystem 03:37:25 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0xe000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:25 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xd703}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:25 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xd00000000000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 408.650312][T21345] loop5: detected capacity change from 0 to 6 [ 408.661271][T21345] FAT-fs (loop5): bogus number of reserved sectors [ 408.667773][T21345] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 408.676929][T21345] FAT-fs (loop5): Can't find a valid FAT filesystem 03:37:25 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0xffffffff00000000, 0x0, 0x0) [ 408.717973][T21358] loop1: detected capacity change from 0 to 6 [ 408.733235][T21368] loop3: detected capacity change from 0 to 6 [ 408.741722][T21366] loop4: detected capacity change from 0 to 215 [ 408.750415][T21373] loop0: detected capacity change from 0 to 264192 [ 408.751787][T21368] FAT-fs (loop3): bogus number of reserved sectors 03:37:25 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x2b4, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:25 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x2) [ 408.763476][T21368] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 408.772699][T21368] FAT-fs (loop3): Can't find a valid FAT filesystem [ 408.791725][T21373] FAT-fs (loop0): bogus number of reserved sectors [ 408.798235][T21373] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 408.807352][T21373] FAT-fs (loop0): Can't find a valid FAT filesystem [ 408.824481][T21366] FAT-fs (loop4): bogus number of reserved sectors [ 408.831029][T21366] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 408.840154][T21366] FAT-fs (loop4): Can't find a valid FAT filesystem [ 408.849091][T21368] loop3: detected capacity change from 0 to 6 [ 408.853626][T21358] FAT-fs (loop1): bogus number of reserved sectors [ 408.861696][T21358] FAT-fs (loop1): This looks like a DOS 1.x volume, but isn't a recognized floppy size (6 sectors) 03:37:25 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x3) 03:37:25 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xd803}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 408.872380][T21358] FAT-fs (loop1): Can't find a valid FAT filesystem [ 408.879388][T21368] FAT-fs (loop3): bogus number of reserved sectors [ 408.885916][T21368] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 408.895030][T21368] FAT-fs (loop3): Can't find a valid FAT filesystem [ 408.906001][T21393] loop5: detected capacity change from 0 to 6 03:37:25 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0xf000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 408.967920][T21414] loop4: detected capacity change from 0 to 216 [ 408.977107][T21414] FAT-fs (loop4): bogus number of reserved sectors [ 408.983660][T21414] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 408.992867][T21414] FAT-fs (loop4): Can't find a valid FAT filesystem 03:37:25 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x428}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:25 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x2ba, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:25 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x4) 03:37:25 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xe00000000000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 409.013255][T21417] loop1: detected capacity change from 0 to 6 [ 409.023100][T21417] FAT-fs (loop1): bogus number of reserved sectors [ 409.029642][T21417] FAT-fs (loop1): This looks like a DOS 1.x volume, but isn't a recognized floppy size (6 sectors) [ 409.040340][T21417] FAT-fs (loop1): Can't find a valid FAT filesystem 03:37:25 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x10000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 409.065747][T21429] loop0: detected capacity change from 0 to 264192 [ 409.079437][T21431] loop3: detected capacity change from 0 to 6 [ 409.092388][T21432] loop5: detected capacity change from 0 to 6 [ 409.102003][T21431] FAT-fs (loop3): bogus number of reserved sectors [ 409.108540][T21431] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 409.108618][T21429] FAT-fs (loop0): bogus number of reserved sectors [ 409.117644][T21431] FAT-fs (loop3): Can't find a valid FAT filesystem [ 409.130783][T21429] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 409.139889][T21429] FAT-fs (loop0): Can't find a valid FAT filesystem [ 409.145819][T21441] loop1: detected capacity change from 0 to 6 [ 409.172418][T21441] FAT-fs (loop1): bogus number of reserved sectors [ 409.173857][T21431] loop3: detected capacity change from 0 to 6 [ 409.178962][T21441] FAT-fs (loop1): This looks like a DOS 1.x volume, but isn't a recognized floppy size (6 sectors) [ 409.195691][T21441] FAT-fs (loop1): Can't find a valid FAT filesystem [ 409.197463][T21431] FAT-fs (loop3): bogus number of reserved sectors [ 409.209001][T21431] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code 03:37:25 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x5) 03:37:25 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x2bb, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:25 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xd903}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 409.218096][T21431] FAT-fs (loop3): Can't find a valid FAT filesystem [ 409.233087][T21455] loop5: detected capacity change from 0 to 6 [ 409.248763][T21463] loop4: detected capacity change from 0 to 217 [ 409.256892][T21463] FAT-fs (loop4): bogus number of reserved sectors [ 409.263495][T21463] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code 03:37:25 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x500}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:25 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x6) 03:37:25 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x11000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:25 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xda03}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 409.272605][T21463] FAT-fs (loop4): Can't find a valid FAT filesystem 03:37:25 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x300, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:25 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xf00000000000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 409.336432][T21478] loop3: detected capacity change from 0 to 6 [ 409.349081][T21487] loop4: detected capacity change from 0 to 218 [ 409.357272][T21488] loop1: detected capacity change from 0 to 6 [ 409.365033][T21478] FAT-fs (loop3): bogus number of reserved sectors [ 409.371564][T21478] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 409.374524][T21495] loop0: detected capacity change from 0 to 264192 [ 409.380758][T21478] FAT-fs (loop3): Can't find a valid FAT filesystem [ 409.381737][T21491] loop5: detected capacity change from 0 to 6 [ 409.389527][T21495] FAT-fs (loop0): bogus number of reserved sectors [ 409.398410][T21491] FAT-fs (loop5): bogus number of reserved sectors [ 409.399921][T21495] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 409.406387][T21491] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code 03:37:26 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x7) [ 409.406401][T21491] FAT-fs (loop5): Can't find a valid FAT filesystem [ 409.417649][T21487] FAT-fs (loop4): bogus number of reserved sectors [ 409.422040][T21495] FAT-fs (loop0): Can't find a valid FAT filesystem [ 409.437818][T21488] FAT-fs (loop1): bogus number of reserved sectors [ 409.444221][T21487] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 409.444236][T21487] FAT-fs (loop4): Can't find a valid FAT filesystem [ 409.473135][T21488] FAT-fs (loop1): This looks like a DOS 1.x volume, but isn't a recognized floppy size (6 sectors) 03:37:26 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x8) 03:37:26 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x382, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 409.483819][T21488] FAT-fs (loop1): Can't find a valid FAT filesystem [ 409.498617][T21478] loop3: detected capacity change from 0 to 6 [ 409.508694][T21478] FAT-fs (loop3): bogus number of reserved sectors [ 409.515232][T21478] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 409.524347][T21478] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:26 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xedc0}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:26 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x9) 03:37:26 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x600}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:26 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0xa) [ 409.593881][T21533] loop4: detected capacity change from 0 to 237 [ 409.601640][T21532] loop5: detected capacity change from 0 to 6 [ 409.621507][T21542] loop3: detected capacity change from 0 to 6 [ 409.635645][T21532] FAT-fs (loop5): bogus number of reserved sectors 03:37:26 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x1000000000000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 409.642196][T21532] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 409.644404][T21542] FAT-fs (loop3): bogus number of reserved sectors [ 409.651313][T21532] FAT-fs (loop5): Can't find a valid FAT filesystem [ 409.664819][T21542] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 409.673938][T21542] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:26 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x12000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:26 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x384, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 409.702083][T21533] FAT-fs (loop4): bogus number of reserved sectors [ 409.708687][T21533] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 409.717793][T21533] FAT-fs (loop4): Can't find a valid FAT filesystem [ 409.732675][T21558] loop0: detected capacity change from 0 to 264192 [ 409.741887][T21542] loop3: detected capacity change from 0 to 6 [ 409.745317][T21565] loop5: detected capacity change from 0 to 6 [ 409.748967][T21558] FAT-fs (loop0): bogus number of reserved sectors [ 409.760619][T21558] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 409.761382][T21565] FAT-fs (loop5): bogus number of reserved sectors [ 409.769730][T21558] FAT-fs (loop0): Can't find a valid FAT filesystem [ 409.770637][T21560] loop1: detected capacity change from 0 to 6 [ 409.776222][T21565] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code 03:37:26 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xf903}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:26 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x604}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 409.776236][T21565] FAT-fs (loop5): Can't find a valid FAT filesystem [ 409.790926][T21542] FAT-fs (loop3): bogus number of reserved sectors [ 409.811093][T21542] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 409.820207][T21542] FAT-fs (loop3): Can't find a valid FAT filesystem [ 409.824155][T21560] FAT-fs (loop1): bogus number of reserved sectors [ 409.833308][T21560] FAT-fs (loop1): This looks like a DOS 1.x volume, but isn't a recognized floppy size (6 sectors) [ 409.843987][T21560] FAT-fs (loop1): Can't find a valid FAT filesystem 03:37:26 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x20000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:26 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0xb) [ 409.876362][T21584] loop4: detected capacity change from 0 to 249 [ 409.893541][T21584] FAT-fs (loop4): bogus number of reserved sectors [ 409.900083][T21584] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 409.909205][T21584] FAT-fs (loop4): Can't find a valid FAT filesystem 03:37:26 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x387, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 409.935537][T21599] loop1: detected capacity change from 0 to 6 [ 409.949632][T21605] loop3: detected capacity change from 0 to 6 [ 409.957238][T21599] FAT-fs (loop1): bogus number of reserved sectors [ 409.963785][T21599] FAT-fs (loop1): This looks like a DOS 1.x volume, but isn't a recognized floppy size (6 sectors) [ 409.974500][T21599] FAT-fs (loop1): Can't find a valid FAT filesystem 03:37:26 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x1100000000000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:26 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0xc) 03:37:26 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xfa03}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 409.992363][T21605] FAT-fs (loop3): bogus number of reserved sectors [ 409.999008][T21605] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 410.008112][T21605] FAT-fs (loop3): Can't find a valid FAT filesystem [ 410.028642][T21615] loop0: detected capacity change from 0 to 264192 [ 410.029044][T21616] loop5: detected capacity change from 0 to 6 [ 410.049401][T21616] FAT-fs (loop5): bogus number of reserved sectors [ 410.049603][T21615] FAT-fs (loop0): bogus number of reserved sectors [ 410.055916][T21616] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 410.062528][T21615] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 410.071596][T21616] FAT-fs (loop5): Can't find a valid FAT filesystem [ 410.080703][T21615] FAT-fs (loop0): Can't find a valid FAT filesystem 03:37:26 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0xd) 03:37:26 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x20100000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 410.104818][T21626] loop4: detected capacity change from 0 to 250 [ 410.114245][T21605] loop3: detected capacity change from 0 to 6 [ 410.126802][T21626] FAT-fs (loop4): bogus number of reserved sectors [ 410.133350][T21626] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 410.142480][T21626] FAT-fs (loop4): Can't find a valid FAT filesystem 03:37:26 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x3a8, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 410.153871][T21605] FAT-fs (loop3): bogus number of reserved sectors [ 410.160427][T21605] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 410.169548][T21605] FAT-fs (loop3): Can't find a valid FAT filesystem [ 410.190165][T21641] loop1: detected capacity change from 0 to 6 03:37:26 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0xe) 03:37:26 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x700}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 410.217957][T21651] loop5: detected capacity change from 0 to 6 03:37:26 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xfb03}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:26 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x22000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:26 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x3a9, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:26 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0xf) 03:37:26 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x1200000000000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 410.269819][T21672] loop3: detected capacity change from 0 to 7 [ 410.291856][T21672] FAT-fs (loop3): bogus number of reserved sectors [ 410.298385][T21672] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 410.307473][T21672] FAT-fs (loop3): Can't find a valid FAT filesystem [ 410.330532][T21682] loop4: detected capacity change from 0 to 251 [ 410.331821][T21687] loop5: detected capacity change from 0 to 6 [ 410.339718][T21688] loop1: detected capacity change from 0 to 6 [ 410.353985][T21672] loop3: detected capacity change from 0 to 7 [ 410.358787][T21684] loop0: detected capacity change from 0 to 264192 [ 410.366894][T21682] FAT-fs (loop4): bogus number of reserved sectors [ 410.367008][T21672] FAT-fs (loop3): bogus number of reserved sectors [ 410.373448][T21682] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 410.379909][T21672] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 410.389000][T21682] FAT-fs (loop4): Can't find a valid FAT filesystem [ 410.392924][T21684] FAT-fs (loop0): bogus number of reserved sectors [ 410.398098][T21672] FAT-fs (loop3): Can't find a valid FAT filesystem [ 410.404714][T21684] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code 03:37:27 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x3aa, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:27 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x10) 03:37:27 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xfeff}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:27 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x900}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 410.426876][T21684] FAT-fs (loop0): Can't find a valid FAT filesystem [ 410.442452][T21688] FAT-fs (loop1): bogus number of reserved sectors [ 410.449036][T21688] FAT-fs (loop1): This looks like a DOS 1.x volume, but isn't a recognized floppy size (6 sectors) [ 410.459711][T21688] FAT-fs (loop1): Can't find a valid FAT filesystem [ 410.473860][T21707] loop5: detected capacity change from 0 to 6 03:37:27 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x25000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 410.510678][T21719] loop4: detected capacity change from 0 to 254 [ 410.532146][T21729] loop1: detected capacity change from 0 to 6 [ 410.542009][T21729] FAT-fs (loop1): bogus number of reserved sectors [ 410.548555][T21729] FAT-fs (loop1): This looks like a DOS 1.x volume, but isn't a recognized floppy size (6 sectors) 03:37:27 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x2000000000000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:27 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x11) 03:37:27 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x3ab, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 410.559252][T21729] FAT-fs (loop1): Can't find a valid FAT filesystem [ 410.579328][T21719] FAT-fs (loop4): bogus number of reserved sectors [ 410.585956][T21719] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 410.595082][T21719] FAT-fs (loop4): Can't find a valid FAT filesystem [ 410.603010][T21736] loop0: detected capacity change from 0 to 264192 03:37:27 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x3f000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:27 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x12) [ 410.605046][T21742] loop5: detected capacity change from 0 to 6 [ 410.628058][T21736] FAT-fs (loop0): bogus number of reserved sectors [ 410.634653][T21736] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 410.643801][T21736] FAT-fs (loop0): Can't find a valid FAT filesystem [ 410.653160][T21753] loop3: detected capacity change from 0 to 9 03:37:27 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xff0f}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:27 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x3ac, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 410.689266][T21753] FAT-fs (loop3): bogus number of reserved sectors [ 410.695785][T21753] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 410.705019][T21753] FAT-fs (loop3): Can't find a valid FAT filesystem [ 410.722176][T21765] loop1: detected capacity change from 0 to 6 [ 410.741645][T21771] loop4: detected capacity change from 0 to 255 [ 410.750945][T21765] FAT-fs (loop1): bogus number of reserved sectors [ 410.757461][T21765] FAT-fs (loop1): This looks like a DOS 1.x volume, but isn't a recognized floppy size (6 sectors) [ 410.768156][T21765] FAT-fs (loop1): Can't find a valid FAT filesystem 03:37:27 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x13) 03:37:27 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x14) 03:37:27 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x3ad, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 410.786301][T21771] FAT-fs (loop4): bogus number of reserved sectors [ 410.792877][T21771] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 410.801984][T21771] FAT-fs (loop4): Can't find a valid FAT filesystem [ 410.809024][T21774] loop5: detected capacity change from 0 to 6 [ 410.863775][T21753] loop3: detected capacity change from 0 to 9 [ 410.880216][T21753] FAT-fs (loop3): bogus number of reserved sectors [ 410.886725][T21753] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 410.895921][T21753] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:27 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xa00}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:27 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x2010000000000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:27 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xfffe}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:27 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x40000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:27 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x15) [ 410.917485][T21810] loop5: detected capacity change from 0 to 6 03:37:27 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x3ae, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 410.991125][T21828] loop3: detected capacity change from 0 to 10 [ 410.998628][T21832] loop4: detected capacity change from 0 to 255 [ 411.007754][T21830] loop0: detected capacity change from 0 to 264192 [ 411.016482][T21828] FAT-fs (loop3): bogus number of reserved sectors [ 411.023015][T21828] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 411.032197][T21828] FAT-fs (loop3): Can't find a valid FAT filesystem [ 411.036233][T21838] loop5: detected capacity change from 0 to 6 [ 411.040269][T21830] FAT-fs (loop0): bogus number of reserved sectors [ 411.050365][T21832] FAT-fs (loop4): bogus number of reserved sectors [ 411.051338][T21830] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 411.051349][T21830] FAT-fs (loop0): Can't find a valid FAT filesystem [ 411.057826][T21832] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 411.068072][T21831] loop1: detected capacity change from 0 to 6 03:37:27 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x3af, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:27 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x16) [ 411.073528][T21832] FAT-fs (loop4): Can't find a valid FAT filesystem [ 411.084867][T21831] FAT-fs (loop1): bogus number of reserved sectors [ 411.101785][T21831] FAT-fs (loop1): This looks like a DOS 1.x volume, but isn't a recognized floppy size (6 sectors) [ 411.112464][T21831] FAT-fs (loop1): Can't find a valid FAT filesystem 03:37:27 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x2128000000000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:27 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x80000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 411.151498][T21828] loop3: detected capacity change from 0 to 10 [ 411.177042][T21855] loop5: detected capacity change from 0 to 6 [ 411.181958][T21828] FAT-fs (loop3): bogus number of reserved sectors [ 411.187916][T21862] loop0: detected capacity change from 0 to 264192 03:37:27 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x40000800, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 411.189637][T21828] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 411.199048][T21863] loop4: detected capacity change from 0 to 2048 [ 411.205304][T21828] FAT-fs (loop3): Can't find a valid FAT filesystem [ 411.212154][T21862] FAT-fs (loop0): bogus number of reserved sectors [ 411.224675][T21862] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 411.233793][T21862] FAT-fs (loop0): Can't find a valid FAT filesystem 03:37:27 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x17) [ 411.248384][T21863] FAT-fs (loop4): bogus number of reserved sectors [ 411.254913][T21863] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 411.257288][T21872] loop1: detected capacity change from 0 to 6 [ 411.264030][T21863] FAT-fs (loop4): Can't find a valid FAT filesystem [ 411.279585][T21872] FAT-fs (loop1): bogus number of reserved sectors [ 411.286230][T21872] FAT-fs (loop1): This looks like a DOS 1.x volume, but isn't a recognized floppy size (6 sectors) 03:37:27 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xb00}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:27 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x3b0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:27 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x18) [ 411.296933][T21872] FAT-fs (loop1): Can't find a valid FAT filesystem 03:37:27 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x80040}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:28 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x44010000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:28 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x2200000000000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 411.367724][T21899] loop3: detected capacity change from 0 to 11 [ 411.379632][T21900] loop5: detected capacity change from 0 to 6 03:37:28 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x19) [ 411.408760][T21908] loop4: detected capacity change from 0 to 2048 [ 411.416209][T21899] FAT-fs (loop3): bogus number of reserved sectors [ 411.422767][T21899] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 411.431903][T21899] FAT-fs (loop3): Can't find a valid FAT filesystem [ 411.439044][T21908] FAT-fs (loop4): bogus number of reserved sectors [ 411.446136][T21908] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 411.455266][T21908] FAT-fs (loop4): Can't find a valid FAT filesystem [ 411.463042][T21911] loop1: detected capacity change from 0 to 6 [ 411.467065][T21918] loop0: detected capacity change from 0 to 249856 [ 411.471650][T21911] FAT-fs (loop1): bogus number of reserved sectors [ 411.482173][T21911] FAT-fs (loop1): This looks like a DOS 1.x volume, but isn't a recognized floppy size (6 sectors) [ 411.492963][T21911] FAT-fs (loop1): Can't find a valid FAT filesystem 03:37:28 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x402, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 411.509788][T21899] loop3: detected capacity change from 0 to 11 [ 411.531097][T21899] FAT-fs (loop3): bogus number of reserved sectors [ 411.537678][T21899] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 411.546833][T21899] FAT-fs (loop3): Can't find a valid FAT filesystem [ 411.551769][T21931] loop5: detected capacity change from 0 to 6 03:37:28 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x45010000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 411.553529][T21918] FAT-fs (loop0): bogus number of reserved sectors [ 411.566001][T21918] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 411.575118][T21918] FAT-fs (loop0): Can't find a valid FAT filesystem [ 411.581141][T21931] FAT-fs (loop5): bogus number of reserved sectors [ 411.588214][T21931] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 411.597340][T21931] FAT-fs (loop5): Can't find a valid FAT filesystem 03:37:28 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x1000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:28 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x406, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 411.633478][T21941] loop1: detected capacity change from 0 to 6 [ 411.649026][T21941] FAT-fs (loop1): bogus number of reserved sectors [ 411.655562][T21941] FAT-fs (loop1): This looks like a DOS 1.x volume, but isn't a recognized floppy size (6 sectors) [ 411.666257][T21941] FAT-fs (loop1): Can't find a valid FAT filesystem 03:37:28 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xc00}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:28 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x2500000000000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 411.709452][T21955] loop4: detected capacity change from 0 to 65536 [ 411.734358][T21958] loop5: detected capacity change from 0 to 6 [ 411.741803][T21955] FAT-fs (loop4): bogus number of reserved sectors [ 411.747472][T21965] loop0: detected capacity change from 0 to 225280 03:37:28 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x48000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 411.748297][T21955] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 411.763903][T21955] FAT-fs (loop4): Can't find a valid FAT filesystem [ 411.771766][T21965] FAT-fs (loop0): bogus number of reserved sectors [ 411.772625][T21970] loop3: detected capacity change from 0 to 12 [ 411.778364][T21965] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 411.789097][T21958] FAT-fs (loop5): bogus number of reserved sectors [ 411.793579][T21965] FAT-fs (loop0): Can't find a valid FAT filesystem [ 411.806645][T21958] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 411.810674][T21973] loop1: detected capacity change from 0 to 6 [ 411.815829][T21958] FAT-fs (loop5): Can't find a valid FAT filesystem [ 411.843995][T21973] FAT-fs (loop1): bogus number of reserved sectors 03:37:28 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x10e0000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:28 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x1a) [ 411.850614][T21973] FAT-fs (loop1): This looks like a DOS 1.x volume, but isn't a recognized floppy size (6 sectors) [ 411.861565][T21973] FAT-fs (loop1): Can't find a valid FAT filesystem [ 411.880741][T21970] FAT-fs (loop3): bogus number of reserved sectors [ 411.887257][T21970] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 411.896404][T21970] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:28 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x3300000000000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:28 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x1b) [ 411.973922][T21970] loop3: detected capacity change from 0 to 12 [ 411.977509][T22002] loop4: detected capacity change from 0 to 69120 [ 412.004503][T22002] FAT-fs (loop4): bogus number of reserved sectors [ 412.011097][T22002] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code 03:37:28 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x4b010000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:28 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x500, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 412.020246][T22002] FAT-fs (loop4): Can't find a valid FAT filesystem [ 412.029107][T21970] FAT-fs (loop3): bogus number of reserved sectors [ 412.033641][T22006] loop0: detected capacity change from 0 to 110592 [ 412.035621][T21970] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 412.043034][T22006] FAT-fs (loop0): bogus number of reserved sectors [ 412.051208][T21970] FAT-fs (loop3): Can't find a valid FAT filesystem [ 412.064322][T22006] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 412.073510][T22006] FAT-fs (loop0): Can't find a valid FAT filesystem [ 412.088154][T22014] loop5: detected capacity change from 0 to 6 [ 412.095690][T22015] loop1: detected capacity change from 0 to 6 [ 412.111799][T22015] FAT-fs (loop1): bogus number of reserved sectors 03:37:28 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xd00}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:28 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x1c) 03:37:28 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x2000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 412.118346][T22015] FAT-fs (loop1): This looks like a DOS 1.x volume, but isn't a recognized floppy size (6 sectors) [ 412.121957][T22014] FAT-fs (loop5): bogus number of reserved sectors [ 412.129035][T22015] FAT-fs (loop1): Can't find a valid FAT filesystem [ 412.135516][T22014] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 412.135530][T22014] FAT-fs (loop5): Can't find a valid FAT filesystem 03:37:28 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x1d) 03:37:28 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x3f00000000000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 412.192791][T22034] loop4: detected capacity change from 0 to 131072 [ 412.228517][T22043] loop3: detected capacity change from 0 to 13 03:37:28 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x600, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:28 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x4c000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 412.248596][T22034] FAT-fs (loop4): bogus number of reserved sectors [ 412.255140][T22034] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 412.264261][T22034] FAT-fs (loop4): Can't find a valid FAT filesystem [ 412.272714][T22043] FAT-fs (loop3): bogus number of reserved sectors [ 412.277608][T22055] loop1: detected capacity change from 0 to 6 [ 412.279249][T22043] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code 03:37:28 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x1e) [ 412.287114][T22055] FAT-fs (loop1): bogus number of reserved sectors [ 412.294407][T22043] FAT-fs (loop3): Can't find a valid FAT filesystem [ 412.306385][T22057] loop0: detected capacity change from 0 to 12288 [ 412.307472][T22055] FAT-fs (loop1): This looks like a DOS 1.x volume, but isn't a recognized floppy size (6 sectors) [ 412.307489][T22055] FAT-fs (loop1): Can't find a valid FAT filesystem [ 412.322686][T22058] loop5: detected capacity change from 0 to 6 03:37:29 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x21) [ 412.349357][T22057] FAT-fs (loop0): bogus number of reserved sectors [ 412.355886][T22057] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 412.365036][T22057] FAT-fs (loop0): Can't find a valid FAT filesystem [ 412.369839][T22058] FAT-fs (loop5): bogus number of reserved sectors [ 412.378113][T22058] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 412.387298][T22058] FAT-fs (loop5): Can't find a valid FAT filesystem 03:37:29 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x60000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:29 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x22) 03:37:29 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x2040000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 412.442781][T22043] loop3: detected capacity change from 0 to 13 [ 412.460374][T22043] FAT-fs (loop3): bogus number of reserved sectors [ 412.466943][T22043] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 412.467475][T22088] loop1: detected capacity change from 0 to 6 [ 412.476068][T22043] FAT-fs (loop3): Can't find a valid FAT filesystem [ 412.502951][T22093] loop4: detected capacity change from 0 to 132096 [ 412.511189][T22093] FAT-fs (loop4): bogus number of reserved sectors [ 412.517688][T22093] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 412.526921][T22093] FAT-fs (loop4): Can't find a valid FAT filesystem 03:37:29 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x604, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:29 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xe00}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:29 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x4000000000000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 412.552006][T22088] FAT-fs (loop1): bogus number of reserved sectors [ 412.558552][T22088] FAT-fs (loop1): This looks like a DOS 1.x volume, but isn't a recognized floppy size (6 sectors) [ 412.569295][T22088] FAT-fs (loop1): Can't find a valid FAT filesystem [ 412.593066][T22109] loop3: detected capacity change from 0 to 14 03:37:29 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x23) [ 412.600912][T22109] FAT-fs (loop3): bogus number of reserved sectors [ 412.606303][T22111] loop5: detected capacity change from 0 to 6 [ 412.607440][T22109] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 412.622784][T22109] FAT-fs (loop3): Can't find a valid FAT filesystem [ 412.637969][T22112] loop0: detected capacity change from 0 to 4096 [ 412.644423][T22111] FAT-fs (loop5): bogus number of reserved sectors [ 412.648680][T22112] FAT-fs (loop0): bogus number of reserved sectors [ 412.650957][T22111] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 412.657413][T22112] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 412.666510][T22111] FAT-fs (loop5): Can't find a valid FAT filesystem [ 412.682195][T22112] FAT-fs (loop0): Can't find a valid FAT filesystem 03:37:29 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x68000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:29 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x24) [ 412.706332][T22109] loop3: detected capacity change from 0 to 14 [ 412.714083][T22109] FAT-fs (loop3): bogus number of reserved sectors [ 412.720620][T22109] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 412.729771][T22109] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:29 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x3000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:29 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x700, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 412.751016][T22134] loop1: detected capacity change from 0 to 6 [ 412.776206][T22134] FAT-fs (loop1): bogus number of reserved sectors [ 412.782753][T22134] FAT-fs (loop1): This looks like a DOS 1.x volume, but isn't a recognized floppy size (6 sectors) [ 412.793574][T22134] FAT-fs (loop1): Can't find a valid FAT filesystem [ 412.794088][T22145] loop4: detected capacity change from 0 to 196608 [ 412.807927][T22147] loop5: detected capacity change from 0 to 6 [ 412.822076][T22147] FAT-fs (loop5): bogus number of reserved sectors [ 412.828626][T22147] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 412.831364][T22145] FAT-fs (loop4): bogus number of reserved sectors [ 412.837801][T22147] FAT-fs (loop5): Can't find a valid FAT filesystem 03:37:29 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x30) 03:37:29 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xe01}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:29 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x6c000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 412.850954][T22145] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 412.860071][T22145] FAT-fs (loop4): Can't find a valid FAT filesystem [ 412.881081][T22112] loop0: detected capacity change from 0 to 4096 [ 412.894566][T22112] FAT-fs (loop0): bogus number of reserved sectors 03:37:29 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x300) 03:37:29 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x4000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:29 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x4000080000000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 412.901194][T22112] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 412.906880][T22163] loop1: detected capacity change from 0 to 6 [ 412.910317][T22112] FAT-fs (loop0): Can't find a valid FAT filesystem [ 412.923325][T22163] FAT-fs (loop1): bogus number of reserved sectors [ 412.929858][T22163] FAT-fs (loop1): This looks like a DOS 1.x volume, but isn't a recognized floppy size (6 sectors) [ 412.940547][T22163] FAT-fs (loop1): Can't find a valid FAT filesystem 03:37:29 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x500) 03:37:29 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x900, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 412.975769][T22181] loop4: detected capacity change from 0 to 262144 [ 412.987958][T22183] loop3: detected capacity change from 0 to 14 [ 413.006107][T22183] FAT-fs (loop3): bogus number of reserved sectors [ 413.011101][T22181] FAT-fs (loop4): bogus number of reserved sectors [ 413.012672][T22183] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 413.019164][T22181] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 413.028224][T22183] FAT-fs (loop3): Can't find a valid FAT filesystem [ 413.037304][T22181] FAT-fs (loop4): Can't find a valid FAT filesystem [ 413.046650][T22188] loop5: detected capacity change from 0 to 6 [ 413.058953][T22184] loop0: detected capacity change from 0 to 264192 [ 413.063030][T22188] FAT-fs (loop5): bogus number of reserved sectors 03:37:29 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x74000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 413.072252][T22188] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 413.081490][T22188] FAT-fs (loop5): Can't find a valid FAT filesystem [ 413.094175][T22184] FAT-fs (loop0): bogus number of reserved sectors [ 413.100716][T22184] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 413.110278][T22184] FAT-fs (loop0): Can't find a valid FAT filesystem 03:37:29 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x600) 03:37:29 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x4280000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 413.157019][T22183] loop3: detected capacity change from 0 to 14 [ 413.169453][T22183] FAT-fs (loop3): bogus number of reserved sectors [ 413.175993][T22183] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 413.185134][T22183] FAT-fs (loop3): Can't find a valid FAT filesystem [ 413.192354][T22211] loop1: detected capacity change from 0 to 6 03:37:29 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x700) 03:37:29 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0xa00, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:29 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xf00}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 413.225143][T22211] FAT-fs (loop1): bogus number of reserved sectors [ 413.231690][T22211] FAT-fs (loop1): This looks like a DOS 1.x volume, but isn't a recognized floppy size (6 sectors) [ 413.242465][T22211] FAT-fs (loop1): Can't find a valid FAT filesystem [ 413.248613][T22194] loop0: detected capacity change from 0 to 264192 [ 413.250602][T22227] loop4: detected capacity change from 0 to 264192 03:37:29 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x4800000000000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 413.289565][T22236] loop5: detected capacity change from 0 to 6 [ 413.297150][T22227] FAT-fs (loop4): bogus number of reserved sectors [ 413.303798][T22227] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 413.305339][T22241] loop3: detected capacity change from 0 to 15 [ 413.312924][T22227] FAT-fs (loop4): Can't find a valid FAT filesystem [ 413.325489][T22236] FAT-fs (loop5): bogus number of reserved sectors 03:37:29 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x900) [ 413.332205][T22236] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 413.341418][T22236] FAT-fs (loop5): Can't find a valid FAT filesystem [ 413.355833][T22241] FAT-fs (loop3): bogus number of reserved sectors [ 413.362587][T22241] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 413.371806][T22241] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:30 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x5000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:30 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0xb00, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:30 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x7a000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:30 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0xa00) [ 413.409803][T22262] loop0: detected capacity change from 0 to 264192 [ 413.446324][T22266] loop4: detected capacity change from 0 to 264192 [ 413.455077][T22266] FAT-fs (loop4): bogus number of reserved sectors [ 413.461616][T22266] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 413.470735][T22266] FAT-fs (loop4): Can't find a valid FAT filesystem [ 413.472451][T22272] loop1: detected capacity change from 0 to 6 [ 413.484450][T22262] FAT-fs (loop0): bogus number of reserved sectors [ 413.485141][T22273] loop5: detected capacity change from 0 to 6 [ 413.490976][T22262] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 413.490991][T22262] FAT-fs (loop0): Can't find a valid FAT filesystem [ 413.511563][T22273] FAT-fs (loop5): bogus number of reserved sectors [ 413.519200][T22273] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 413.520611][T22241] loop3: detected capacity change from 0 to 15 [ 413.528411][T22273] FAT-fs (loop5): Can't find a valid FAT filesystem [ 413.541762][T22272] FAT-fs (loop1): bogus number of reserved sectors [ 413.548266][T22272] FAT-fs (loop1): This looks like a DOS 1.x volume, but isn't a recognized floppy size (6 sectors) 03:37:30 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0xb00) [ 413.559042][T22272] FAT-fs (loop1): Can't find a valid FAT filesystem 03:37:30 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x6000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:30 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0xc00, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 413.592879][T22241] FAT-fs (loop3): bogus number of reserved sectors [ 413.599413][T22241] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 413.608517][T22241] FAT-fs (loop3): Can't find a valid FAT filesystem [ 413.652038][T22300] loop4: detected capacity change from 0 to 264192 [ 413.654707][T22302] loop5: detected capacity change from 0 to 6 [ 413.659671][T22300] FAT-fs (loop4): bogus number of reserved sectors [ 413.671167][T22300] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 413.680299][T22300] FAT-fs (loop4): Can't find a valid FAT filesystem [ 413.689738][T22302] FAT-fs (loop5): bogus number of reserved sectors 03:37:30 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x1020}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:30 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x4c00000000000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:30 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0xc00) 03:37:30 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x82030000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 413.696416][T22302] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 413.705533][T22302] FAT-fs (loop5): Can't find a valid FAT filesystem [ 413.751528][T22317] loop0: detected capacity change from 0 to 264192 [ 413.764780][T22322] loop3: detected capacity change from 0 to 16 [ 413.773027][T22322] FAT-fs (loop3): bogus number of reserved sectors [ 413.773467][T22324] loop1: detected capacity change from 0 to 6 [ 413.779567][T22322] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 413.794732][T22322] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:30 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x6040000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:30 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0xd00, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 413.807444][T22317] FAT-fs (loop0): bogus number of reserved sectors [ 413.814017][T22317] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 413.823182][T22317] FAT-fs (loop0): Can't find a valid FAT filesystem 03:37:30 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x6000000000000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:30 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x85ffffff, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:30 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0xd00) [ 413.872914][T22322] loop3: detected capacity change from 0 to 16 [ 413.882055][T22322] FAT-fs (loop3): bogus number of reserved sectors [ 413.888583][T22322] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 413.897698][T22322] FAT-fs (loop3): Can't find a valid FAT filesystem [ 413.918174][T22354] loop4: detected capacity change from 0 to 264192 [ 413.929423][T22360] loop0: detected capacity change from 0 to 264192 [ 413.938622][T22356] loop5: detected capacity change from 0 to 6 [ 413.939569][T22354] FAT-fs (loop4): bogus number of reserved sectors [ 413.951251][T22354] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 413.960386][T22354] FAT-fs (loop4): Can't find a valid FAT filesystem [ 413.963185][T22356] FAT-fs (loop5): bogus number of reserved sectors 03:37:30 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0xe00) [ 413.972983][T22357] loop1: detected capacity change from 0 to 6 [ 413.973488][T22356] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 413.988620][T22356] FAT-fs (loop5): Can't find a valid FAT filesystem [ 414.009610][T22360] FAT-fs (loop0): bogus number of reserved sectors 03:37:30 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x1100}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 414.016247][T22360] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 414.025449][T22360] FAT-fs (loop0): Can't find a valid FAT filesystem 03:37:30 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0xe00, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:30 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x7000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:30 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0xf00) 03:37:30 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x8cffffff, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 414.079584][T22383] loop3: detected capacity change from 0 to 17 [ 414.109640][T22389] loop4: detected capacity change from 0 to 264192 [ 414.127720][T22383] FAT-fs (loop3): bogus number of reserved sectors [ 414.129793][T22394] loop5: detected capacity change from 0 to 6 [ 414.134339][T22383] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 414.149482][T22383] FAT-fs (loop3): Can't find a valid FAT filesystem [ 414.164346][T22401] loop1: detected capacity change from 0 to 6 [ 414.170751][T22389] FAT-fs (loop4): bogus number of reserved sectors 03:37:30 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x6603000000000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:30 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x97ffffff, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 414.177310][T22389] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 414.186437][T22389] FAT-fs (loop4): Can't find a valid FAT filesystem [ 414.204369][T22394] FAT-fs (loop5): bogus number of reserved sectors [ 414.210888][T22394] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 414.219997][T22394] FAT-fs (loop5): Can't find a valid FAT filesystem 03:37:30 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x1100) [ 414.227070][T22408] loop0: detected capacity change from 0 to 233472 [ 414.235596][T22408] FAT-fs (loop0): bogus number of reserved sectors [ 414.242124][T22408] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 414.251308][T22408] FAT-fs (loop0): Can't find a valid FAT filesystem [ 414.265441][T22383] loop3: detected capacity change from 0 to 17 [ 414.272600][T22383] FAT-fs (loop3): bogus number of reserved sectors 03:37:30 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x8000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 414.279129][T22383] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 414.288231][T22383] FAT-fs (loop3): Can't find a valid FAT filesystem [ 414.293380][T22419] loop1: detected capacity change from 0 to 6 03:37:30 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0xe01, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:30 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x9b030000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:31 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x1200) 03:37:31 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x1200}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:31 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x6703000000000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 414.371331][T22443] loop1: detected capacity change from 0 to 6 [ 414.374451][T22435] loop4: detected capacity change from 0 to 264192 [ 414.378015][T22444] loop5: detected capacity change from 0 to 6 [ 414.394581][T22444] FAT-fs (loop5): bogus number of reserved sectors [ 414.401140][T22444] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 414.410403][T22444] FAT-fs (loop5): Can't find a valid FAT filesystem 03:37:31 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x9c030000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 414.443762][T22435] FAT-fs (loop4): bogus number of reserved sectors [ 414.450315][T22435] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 414.458216][T22458] loop3: detected capacity change from 0 to 18 [ 414.459424][T22435] FAT-fs (loop4): Can't find a valid FAT filesystem [ 414.465961][T22457] loop0: detected capacity change from 0 to 225280 03:37:31 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0xf00, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:31 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x9000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 414.490952][T22458] FAT-fs (loop3): bogus number of reserved sectors [ 414.497481][T22458] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 414.503239][T22465] loop1: detected capacity change from 0 to 6 [ 414.506659][T22458] FAT-fs (loop3): Can't find a valid FAT filesystem [ 414.524009][T22457] FAT-fs (loop0): bogus number of reserved sectors [ 414.530551][T22457] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code 03:37:31 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x1300) [ 414.536976][T22471] loop5: detected capacity change from 0 to 6 [ 414.539687][T22457] FAT-fs (loop0): Can't find a valid FAT filesystem [ 414.555815][T22475] loop4: detected capacity change from 0 to 61440 [ 414.564273][T22475] FAT-fs (loop4): bogus number of reserved sectors [ 414.566567][T22471] FAT-fs (loop5): bogus number of reserved sectors [ 414.570904][T22475] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code 03:37:31 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x9d030000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:31 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x1400) [ 414.577355][T22471] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 414.586476][T22475] FAT-fs (loop4): Can't find a valid FAT filesystem [ 414.602179][T22471] FAT-fs (loop5): Can't find a valid FAT filesystem [ 414.628637][T22458] loop3: detected capacity change from 0 to 18 [ 414.630327][T22490] loop1: detected capacity change from 0 to 6 03:37:31 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x1500) 03:37:31 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x6800000000000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 414.643682][T22458] FAT-fs (loop3): bogus number of reserved sectors [ 414.650211][T22458] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 414.659331][T22458] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:31 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x1020, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:31 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x9d260000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 414.716064][T22512] loop0: detected capacity change from 0 to 204800 [ 414.726098][T22515] loop5: detected capacity change from 0 to 6 [ 414.740283][T22512] FAT-fs (loop0): bogus number of reserved sectors [ 414.742683][T22522] loop1: detected capacity change from 0 to 6 [ 414.746840][T22512] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code 03:37:31 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x2000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:31 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xa000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:31 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x1600) [ 414.761998][T22512] FAT-fs (loop0): Can't find a valid FAT filesystem 03:37:31 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x9e030000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:31 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x1100, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 414.815921][T22538] loop4: detected capacity change from 0 to 126976 [ 414.836258][T22548] loop3: detected capacity change from 0 to 32 [ 414.843551][T22538] FAT-fs (loop4): bogus number of reserved sectors [ 414.850197][T22538] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 414.853132][T22551] loop1: detected capacity change from 0 to 6 03:37:31 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x9f030000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:31 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x1700) [ 414.859330][T22538] FAT-fs (loop4): Can't find a valid FAT filesystem [ 414.868948][T22553] loop5: detected capacity change from 0 to 6 [ 414.889942][T22548] FAT-fs (loop3): bogus number of reserved sectors [ 414.896453][T22548] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 414.905580][T22548] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:31 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x1200, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:31 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x6c00000000000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 414.939323][T22548] loop3: detected capacity change from 0 to 32 [ 414.955368][T22548] FAT-fs (loop3): bogus number of reserved sectors [ 414.961906][T22548] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 414.965934][T22578] loop5: detected capacity change from 0 to 6 [ 414.971020][T22548] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:31 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x1800) 03:37:31 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xb000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 414.991580][T22577] loop1: detected capacity change from 0 to 6 [ 415.007282][T22584] loop0: detected capacity change from 0 to 172032 [ 415.017136][T22584] FAT-fs (loop0): bogus number of reserved sectors [ 415.023677][T22584] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 415.032876][T22584] FAT-fs (loop0): Can't find a valid FAT filesystem 03:37:31 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x1da5, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 415.053528][T22591] loop4: detected capacity change from 0 to 192512 03:37:31 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x2010}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:31 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x9f4a06d8, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:31 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x1900) 03:37:31 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0xa0030000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 415.117355][T22591] FAT-fs (loop4): bogus number of reserved sectors [ 415.123904][T22591] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 415.133103][T22591] FAT-fs (loop4): Can't find a valid FAT filesystem [ 415.146886][T22603] loop5: detected capacity change from 0 to 6 [ 415.150178][T22608] loop1: detected capacity change from 0 to 6 03:37:31 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xc000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:31 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x1da6, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 415.229172][T22628] loop3: detected capacity change from 0 to 32 [ 415.240952][T22633] loop1: detected capacity change from 0 to 6 [ 415.249334][T22628] FAT-fs (loop3): bogus number of reserved sectors [ 415.255914][T22628] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 415.259155][T22634] loop5: detected capacity change from 0 to 6 [ 415.265039][T22628] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:31 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x1a00) 03:37:31 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x7400000000000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 415.274019][T22635] loop4: detected capacity change from 0 to 258048 [ 415.308737][T22628] loop3: detected capacity change from 0 to 32 [ 415.324604][T22628] FAT-fs (loop3): bogus number of reserved sectors [ 415.331390][T22628] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 415.340624][T22628] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:32 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x2000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:32 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x2200}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:32 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0xa1030000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 415.361337][T22635] FAT-fs (loop4): bogus number of reserved sectors [ 415.365991][T22652] loop0: detected capacity change from 0 to 106496 [ 415.367869][T22635] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 415.383565][T22635] FAT-fs (loop4): Can't find a valid FAT filesystem [ 415.424639][T22652] FAT-fs (loop0): bogus number of reserved sectors [ 415.431210][T22652] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 415.436433][T22662] loop1: detected capacity change from 0 to 6 [ 415.440357][T22652] FAT-fs (loop0): Can't find a valid FAT filesystem [ 415.457434][T22660] loop5: detected capacity change from 0 to 6 03:37:32 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0xa2030000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:32 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xd000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:32 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x2010, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 415.532736][T22681] loop3: detected capacity change from 0 to 34 [ 415.546329][T22684] loop1: detected capacity change from 0 to 6 [ 415.553216][T22685] loop4: detected capacity change from 0 to 264192 [ 415.560778][T22681] FAT-fs (loop3): bogus number of reserved sectors [ 415.567325][T22681] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 415.576527][T22681] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:32 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x7a00000000000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 415.581909][T22689] loop5: detected capacity change from 0 to 6 [ 415.617430][T22685] FAT-fs (loop4): bogus number of reserved sectors [ 415.623975][T22685] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code 03:37:32 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x1b00) [ 415.633097][T22685] FAT-fs (loop4): Can't find a valid FAT filesystem [ 415.649024][T22693] loop0: detected capacity change from 0 to 57344 03:37:32 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0xa3030000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 415.684563][T22681] loop3: detected capacity change from 0 to 34 [ 415.712213][T22693] FAT-fs (loop0): bogus number of reserved sectors [ 415.718763][T22693] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 415.727899][T22693] FAT-fs (loop0): Can't find a valid FAT filesystem 03:37:32 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x2200, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:32 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xe000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:32 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x1c00) [ 415.741784][T22681] FAT-fs (loop3): bogus number of reserved sectors [ 415.748323][T22681] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 415.750055][T22721] loop1: detected capacity change from 0 to 6 [ 415.757414][T22681] FAT-fs (loop3): Can't find a valid FAT filesystem [ 415.779361][T22725] loop4: detected capacity change from 0 to 264192 03:37:32 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x2500}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 415.789895][T22728] loop5: detected capacity change from 0 to 6 [ 415.797761][T22725] FAT-fs (loop4): bogus number of reserved sectors [ 415.804392][T22725] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 415.813518][T22725] FAT-fs (loop4): Can't find a valid FAT filesystem 03:37:32 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0xa4030000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:32 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x1d00) 03:37:32 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x2500, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:32 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x7fffffffffffffff}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:32 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xf000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:32 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0xa5030000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 415.893500][T22751] loop3: detected capacity change from 0 to 37 [ 415.907102][T22755] loop1: detected capacity change from 0 to 6 [ 415.935770][T22760] loop5: detected capacity change from 0 to 6 [ 415.943063][T22765] loop4: detected capacity change from 0 to 264192 [ 415.950637][T22766] loop0: detected capacity change from 0 to 8191 [ 415.951973][T22751] FAT-fs (loop3): bogus number of reserved sectors [ 415.963506][T22751] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 415.965377][T22771] loop1: detected capacity change from 0 to 6 [ 415.972633][T22751] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:32 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x1e00) [ 415.986408][T22765] FAT-fs (loop4): bogus number of reserved sectors [ 415.988429][T22766] FAT-fs (loop0): bogus number of reserved sectors [ 415.992943][T22765] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 415.999417][T22766] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 416.008524][T22765] FAT-fs (loop4): Can't find a valid FAT filesystem [ 416.017625][T22766] FAT-fs (loop0): Can't find a valid FAT filesystem [ 416.063423][T22751] loop3: detected capacity change from 0 to 37 [ 416.065272][T22766] loop0: detected capacity change from 0 to 8191 [ 416.076043][T22751] FAT-fs (loop3): bogus number of reserved sectors [ 416.076565][T22766] FAT-fs (loop0): bogus number of reserved sectors [ 416.082576][T22751] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 416.089057][T22766] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 416.098173][T22751] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:32 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x26b0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 416.107255][T22766] FAT-fs (loop0): Can't find a valid FAT filesystem 03:37:32 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0xa6030000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:32 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x10000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:32 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x1f00) [ 416.157204][T22801] loop5: detected capacity change from 0 to 6 [ 416.180890][T22806] loop1: detected capacity change from 0 to 6 [ 416.180995][T22807] loop4: detected capacity change from 0 to 264192 [ 416.196064][T22807] FAT-fs (loop4): bogus number of reserved sectors [ 416.202604][T22807] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 416.211712][T22807] FAT-fs (loop4): Can't find a valid FAT filesystem 03:37:32 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x2804}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:32 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x26b1, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:32 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x85ffffff00000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:32 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x2000) 03:37:32 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0xb4020000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:32 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x11000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:33 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x2100) [ 416.354993][T22834] loop0: detected capacity change from 0 to 90112 [ 416.363205][T22838] loop4: detected capacity change from 0 to 57344 [ 416.372926][T22838] FAT-fs (loop4): bogus number of reserved sectors [ 416.379493][T22838] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 416.388626][T22838] FAT-fs (loop4): Can't find a valid FAT filesystem [ 416.398835][T22834] FAT-fs (loop0): bogus number of reserved sectors [ 416.398972][T22840] loop1: detected capacity change from 0 to 6 [ 416.405351][T22834] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 416.420655][T22834] FAT-fs (loop0): Can't find a valid FAT filesystem [ 416.427928][T22839] loop5: detected capacity change from 0 to 6 [ 416.428245][T22851] loop3: detected capacity change from 0 to 40 03:37:33 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x2200) 03:37:33 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x26b6, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:33 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0xb6260000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 416.464430][T22851] FAT-fs (loop3): bogus number of reserved sectors [ 416.471048][T22851] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 416.480176][T22851] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:33 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x2300) [ 416.529827][T22851] loop3: detected capacity change from 0 to 40 [ 416.546675][T22851] FAT-fs (loop3): bogus number of reserved sectors [ 416.553259][T22851] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 416.555108][T22881] loop1: detected capacity change from 0 to 6 [ 416.562382][T22851] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:33 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x12000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 416.569139][T22884] loop5: detected capacity change from 0 to 6 03:37:33 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x28e3}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:33 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x8cffffff00000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:33 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x2400) 03:37:33 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x20000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 416.612859][T22894] loop4: detected capacity change from 0 to 122880 [ 416.626653][T22894] FAT-fs (loop4): bogus number of reserved sectors [ 416.633281][T22894] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 416.642406][T22894] FAT-fs (loop4): Can't find a valid FAT filesystem 03:37:33 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0xba020000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 416.678103][T22907] loop0: detected capacity change from 0 to 32768 [ 416.705847][T22907] FAT-fs (loop0): bogus number of reserved sectors [ 416.712406][T22907] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 416.721518][T22907] FAT-fs (loop0): Can't find a valid FAT filesystem 03:37:33 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x3f00, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 416.735281][T22921] loop3: detected capacity change from 0 to 40 [ 416.750542][T22922] loop1: detected capacity change from 0 to 6 [ 416.751494][T22925] loop4: detected capacity change from 0 to 264192 [ 416.773035][T22921] FAT-fs (loop3): bogus number of reserved sectors 03:37:33 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x3000) [ 416.779584][T22921] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 416.788766][T22921] FAT-fs (loop3): Can't find a valid FAT filesystem [ 416.791862][T22931] loop5: detected capacity change from 0 to 6 [ 416.802142][T22925] FAT-fs (loop4): bogus number of reserved sectors [ 416.808686][T22925] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 416.817788][T22925] FAT-fs (loop4): Can't find a valid FAT filesystem 03:37:33 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x4000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:33 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x8fff) [ 416.838937][T22921] loop3: detected capacity change from 0 to 40 [ 416.847030][T22921] FAT-fs (loop3): bogus number of reserved sectors [ 416.853600][T22921] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 416.862729][T22921] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:33 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0xbb020000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:33 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x8e03000000000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:33 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x3203}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:33 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0xff8f) [ 416.950326][T22966] loop5: detected capacity change from 0 to 6 [ 416.973847][T22984] loop3: detected capacity change from 0 to 50 [ 416.977270][T22985] loop1: detected capacity change from 0 to 6 [ 416.989417][T22986] loop0: detected capacity change from 0 to 264192 03:37:33 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x20100000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:33 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x300000) [ 416.998012][T22966] FAT-fs (loop5): bogus number of reserved sectors [ 417.004553][T22966] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 417.013673][T22966] FAT-fs (loop5): Can't find a valid FAT filesystem [ 417.020759][T22986] FAT-fs (loop0): bogus number of reserved sectors [ 417.027264][T22986] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 417.036470][T22986] FAT-fs (loop0): Can't find a valid FAT filesystem [ 417.041525][T22984] FAT-fs (loop3): bogus number of reserved sectors 03:37:33 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x800000) [ 417.049610][T22984] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 417.058744][T22984] FAT-fs (loop3): Can't find a valid FAT filesystem [ 417.074390][T23006] loop4: detected capacity change from 0 to 264192 [ 417.090796][T22984] loop3: detected capacity change from 0 to 50 03:37:33 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0xc0ed0000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:33 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x4401, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:33 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x97ffffff00000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 417.102295][T23006] FAT-fs (loop4): bogus number of reserved sectors [ 417.108839][T23006] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 417.117993][T23006] FAT-fs (loop4): Can't find a valid FAT filesystem [ 417.125869][T22984] FAT-fs (loop3): bogus number of reserved sectors [ 417.132425][T22984] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 417.141550][T22984] FAT-fs (loop3): Can't find a valid FAT filesystem [ 417.178493][T23029] loop5: detected capacity change from 0 to 6 [ 417.185830][T23029] FAT-fs (loop5): bogus number of reserved sectors [ 417.192356][T23029] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 417.201543][T23029] FAT-fs (loop5): Can't find a valid FAT filesystem 03:37:33 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x22000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:33 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x3303}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 417.227924][T23035] loop0: detected capacity change from 0 to 264192 [ 417.235049][T23034] loop1: detected capacity change from 0 to 6 [ 417.262274][T23034] FAT-fs (loop1): bogus number of reserved sectors 03:37:33 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x4501, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 417.269419][T23034] FAT-fs (loop1): This looks like a DOS 1.x volume, but isn't a recognized floppy size (6 sectors) [ 417.280100][T23034] FAT-fs (loop1): Can't find a valid FAT filesystem [ 417.291573][T23035] FAT-fs (loop0): bogus number of reserved sectors [ 417.291883][T23047] loop3: detected capacity change from 0 to 51 [ 417.298284][T23035] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 417.313498][T23035] FAT-fs (loop0): Can't find a valid FAT filesystem 03:37:33 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x9800000000000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 417.335839][T23051] loop4: detected capacity change from 0 to 114688 [ 417.339047][T23047] FAT-fs (loop3): bogus number of reserved sectors [ 417.348912][T23047] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 417.358008][T23047] FAT-fs (loop3): Can't find a valid FAT filesystem [ 417.372202][T23053] loop5: detected capacity change from 0 to 6 03:37:34 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x1000000) [ 417.388412][T23053] FAT-fs (loop5): bogus number of reserved sectors [ 417.394938][T23053] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 417.402718][T23051] FAT-fs (loop4): bogus number of reserved sectors [ 417.404069][T23053] FAT-fs (loop5): Can't find a valid FAT filesystem [ 417.410537][T23051] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 417.426196][T23051] FAT-fs (loop4): Can't find a valid FAT filesystem 03:37:34 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0xd8064a9f, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 417.480615][T23047] loop3: detected capacity change from 0 to 51 [ 417.489365][T23047] FAT-fs (loop3): bogus number of reserved sectors [ 417.495914][T23047] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 417.505150][T23047] FAT-fs (loop3): Can't find a valid FAT filesystem [ 417.508212][T23073] loop1: detected capacity change from 0 to 6 [ 417.515904][T23069] loop0: detected capacity change from 0 to 264192 03:37:34 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x23290000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:34 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x2000000) 03:37:34 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x4800, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 417.549927][T23069] FAT-fs (loop0): bogus number of reserved sectors [ 417.556502][T23069] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 417.565704][T23069] FAT-fs (loop0): Can't find a valid FAT filesystem 03:37:34 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0xdaffffff, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 417.604825][T23092] loop4: detected capacity change from 0 to 190720 [ 417.610894][T23099] loop5: detected capacity change from 0 to 6 [ 417.622514][T23099] FAT-fs (loop5): bogus number of reserved sectors [ 417.629048][T23099] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 417.634857][T23092] FAT-fs (loop4): bogus number of reserved sectors [ 417.638143][T23099] FAT-fs (loop5): Can't find a valid FAT filesystem 03:37:34 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x3000000) 03:37:34 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x3f00}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:34 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x4000000) 03:37:34 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x9900000000000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:34 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x4b01, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 417.644644][T23092] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 417.644657][T23092] FAT-fs (loop4): Can't find a valid FAT filesystem [ 417.651154][T23107] loop1: detected capacity change from 0 to 6 03:37:34 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0xf6ffffff, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:34 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x25000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 417.728974][T23127] loop0: detected capacity change from 0 to 264192 [ 417.737015][T23126] loop5: detected capacity change from 0 to 6 [ 417.755426][T23127] FAT-fs (loop0): bogus number of reserved sectors [ 417.762041][T23127] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 417.769852][T23138] loop3: detected capacity change from 0 to 63 [ 417.771155][T23127] FAT-fs (loop0): Can't find a valid FAT filesystem [ 417.784178][T23139] loop1: detected capacity change from 0 to 6 [ 417.786422][T23126] FAT-fs (loop5): bogus number of reserved sectors [ 417.792359][T23138] FAT-fs (loop3): bogus number of reserved sectors [ 417.796753][T23126] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 417.803263][T23138] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 417.812395][T23126] FAT-fs (loop5): Can't find a valid FAT filesystem 03:37:34 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x5000000) [ 417.818515][T23142] loop4: detected capacity change from 0 to 264192 [ 417.821503][T23138] FAT-fs (loop3): Can't find a valid FAT filesystem [ 417.830343][T23142] FAT-fs (loop4): bogus number of reserved sectors [ 417.847594][T23142] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 417.856705][T23142] FAT-fs (loop4): Can't find a valid FAT filesystem 03:37:34 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x3f000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 417.888085][T23138] loop3: detected capacity change from 0 to 63 [ 417.899237][T23138] FAT-fs (loop3): bogus number of reserved sectors [ 417.905755][T23138] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 417.914882][T23138] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:34 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0xf9fdffff, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:34 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xbc03000000000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:34 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x4c00, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 417.942336][T23168] loop4: detected capacity change from 0 to 264192 03:37:34 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x6000000) [ 417.983444][T23168] FAT-fs (loop4): bogus number of reserved sectors [ 417.990068][T23168] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 417.999187][T23168] FAT-fs (loop4): Can't find a valid FAT filesystem [ 418.011077][T23175] loop1: detected capacity change from 0 to 6 [ 418.017801][T23180] loop5: detected capacity change from 0 to 6 [ 418.025162][T23177] loop0: detected capacity change from 0 to 57344 03:37:34 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x4000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:34 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x7000000) [ 418.031956][T23180] FAT-fs (loop5): bogus number of reserved sectors [ 418.038502][T23180] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 418.040009][T23177] FAT-fs (loop0): bogus number of reserved sectors [ 418.047602][T23180] FAT-fs (loop5): Can't find a valid FAT filesystem [ 418.054093][T23177] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 418.069775][T23177] FAT-fs (loop0): Can't find a valid FAT filesystem 03:37:34 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0xfdfdffff, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:34 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x40000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:34 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x8000000) [ 418.138298][T23201] loop1: detected capacity change from 0 to 6 [ 418.164998][T23210] loop4: detected capacity change from 0 to 264192 [ 418.171916][T23211] loop3: detected capacity change from 0 to 64 03:37:34 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xcc03000000000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 418.182711][T23211] FAT-fs (loop3): bogus number of reserved sectors [ 418.189259][T23211] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 418.198400][T23211] FAT-fs (loop3): Can't find a valid FAT filesystem [ 418.206187][T23210] FAT-fs (loop4): bogus number of reserved sectors [ 418.212886][T23210] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 418.222017][T23210] FAT-fs (loop4): Can't find a valid FAT filesystem 03:37:34 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x6000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:34 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x9000000) [ 418.255693][T23229] loop0: detected capacity change from 0 to 264192 [ 418.270702][T23229] FAT-fs (loop0): bogus number of reserved sectors [ 418.277234][T23229] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 418.286408][T23229] FAT-fs (loop0): Can't find a valid FAT filesystem 03:37:34 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0xfdffffff, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:34 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xd8064a9f00000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 418.301339][T23211] loop3: detected capacity change from 0 to 64 [ 418.319719][T23238] loop5: detected capacity change from 0 to 6 [ 418.320994][T23211] FAT-fs (loop3): bogus number of reserved sectors [ 418.332385][T23211] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 418.341494][T23211] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:35 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0xa000000) 03:37:35 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x40000800}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 418.351922][T23239] loop1: detected capacity change from 0 to 6 03:37:35 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x4800}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:35 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x6800, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 418.407921][T23259] loop4: detected capacity change from 0 to 264192 [ 418.439956][T23264] loop0: detected capacity change from 0 to 264192 [ 418.442821][T23259] FAT-fs (loop4): bogus number of reserved sectors 03:37:35 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0xfeffffff, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 418.453044][T23259] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 418.455765][T23267] loop3: detected capacity change from 0 to 72 [ 418.462148][T23259] FAT-fs (loop4): Can't find a valid FAT filesystem [ 418.465186][T23270] loop5: detected capacity change from 0 to 6 [ 418.492121][T23264] FAT-fs (loop0): bogus number of reserved sectors [ 418.498686][T23264] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code 03:37:35 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0xb000000) 03:37:35 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xdaffffff00000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:35 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0xff0f0000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 418.507786][T23264] FAT-fs (loop0): Can't find a valid FAT filesystem [ 418.510373][T23277] loop1: detected capacity change from 0 to 6 [ 418.520841][T23267] FAT-fs (loop3): bogus number of reserved sectors [ 418.527358][T23267] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 418.536569][T23267] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:35 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x48000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 418.599656][T23292] loop0: detected capacity change from 0 to 264192 [ 418.612457][T23292] FAT-fs (loop0): bogus number of reserved sectors [ 418.619019][T23292] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 418.628162][T23292] FAT-fs (loop0): Can't find a valid FAT filesystem [ 418.628642][T23300] loop1: detected capacity change from 0 to 6 03:37:35 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x6c00, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 418.644530][T23267] loop3: detected capacity change from 0 to 72 [ 418.652263][T23303] loop4: detected capacity change from 0 to 264192 [ 418.659712][T23267] FAT-fs (loop3): bogus number of reserved sectors [ 418.666229][T23267] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 418.675372][T23267] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:35 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0xc000000) 03:37:35 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0xfffdffff, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 418.698054][T23303] FAT-fs (loop4): bogus number of reserved sectors [ 418.704599][T23303] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 418.713794][T23303] FAT-fs (loop4): Can't find a valid FAT filesystem [ 418.725867][T23324] loop5: detected capacity change from 0 to 6 03:37:35 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0xd000000) 03:37:35 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x7400, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 418.751792][T23332] loop1: detected capacity change from 0 to 6 03:37:35 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x4c00}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:35 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xf6ffffff00000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:35 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x4c000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:35 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0xfffffdf9, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:35 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0xe000000) [ 418.841794][T23347] loop5: detected capacity change from 0 to 6 [ 418.853697][T23353] loop3: detected capacity change from 0 to 76 [ 418.861469][T23355] loop0: detected capacity change from 0 to 221184 [ 418.865890][T23357] loop4: detected capacity change from 0 to 225280 [ 418.885629][T23355] FAT-fs (loop0): bogus number of reserved sectors [ 418.892163][T23355] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 418.900581][T23353] FAT-fs (loop3): bogus number of reserved sectors [ 418.901279][T23355] FAT-fs (loop0): Can't find a valid FAT filesystem [ 418.907751][T23353] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 418.914941][T23359] loop1: detected capacity change from 0 to 6 [ 418.923467][T23353] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:35 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x7a00, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 418.942271][T23357] FAT-fs (loop4): bogus number of reserved sectors [ 418.948807][T23357] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 418.957912][T23357] FAT-fs (loop4): Can't find a valid FAT filesystem 03:37:35 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x60000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:35 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0xf000000) [ 419.008077][T23383] loop5: detected capacity change from 0 to 6 [ 419.027304][T23353] loop3: detected capacity change from 0 to 76 [ 419.045240][T23353] FAT-fs (loop3): bogus number of reserved sectors 03:37:35 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0xfffffdfd, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 419.051792][T23353] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 419.061003][T23353] FAT-fs (loop3): Can't find a valid FAT filesystem [ 419.084527][T23392] loop4: detected capacity change from 0 to 264192 [ 419.094142][T23392] FAT-fs (loop4): bogus number of reserved sectors 03:37:35 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xf9fdffff00000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:35 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x10000000) [ 419.100709][T23392] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 419.103802][T23407] loop1: detected capacity change from 0 to 6 [ 419.109855][T23392] FAT-fs (loop4): Can't find a valid FAT filesystem 03:37:35 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x8203, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:35 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x6000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 419.175105][T23416] loop0: detected capacity change from 0 to 188416 [ 419.203585][T23424] loop5: detected capacity change from 0 to 6 [ 419.212693][T23416] FAT-fs (loop0): bogus number of reserved sectors 03:37:35 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0xfffffdff, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:35 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xfdfdffff00000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 419.219260][T23416] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 419.228379][T23416] FAT-fs (loop0): Can't find a valid FAT filesystem [ 419.260721][T23435] loop1: detected capacity change from 0 to 6 03:37:35 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x68000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:35 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0xffffff7f, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 419.273719][T23439] loop3: detected capacity change from 0 to 96 03:37:35 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x11000000) [ 419.310514][T23439] FAT-fs (loop3): bogus number of reserved sectors [ 419.317124][T23439] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 419.324266][T23452] loop4: detected capacity change from 0 to 264192 [ 419.326358][T23439] FAT-fs (loop3): Can't find a valid FAT filesystem [ 419.347509][T23454] loop1: detected capacity change from 0 to 6 03:37:35 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x8403, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 419.357544][T23457] loop0: detected capacity change from 0 to 155648 [ 419.367701][T23457] FAT-fs (loop0): bogus number of reserved sectors [ 419.374326][T23457] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 419.383467][T23457] FAT-fs (loop0): Can't find a valid FAT filesystem [ 419.398267][T23467] loop5: detected capacity change from 0 to 6 03:37:36 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x12000000) [ 419.430336][T23439] loop3: detected capacity change from 0 to 96 [ 419.438958][T23439] FAT-fs (loop3): bogus number of reserved sectors [ 419.444753][T23452] FAT-fs (loop4): bogus number of reserved sectors [ 419.445477][T23439] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 419.451959][T23452] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 419.451980][T23452] FAT-fs (loop4): Can't find a valid FAT filesystem 03:37:36 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0xffffff85, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:36 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x8703, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:36 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xfdffffff00000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 419.476760][T23439] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:36 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x13000000) [ 419.512436][T23482] loop1: detected capacity change from 0 to 6 [ 419.545222][T23491] loop5: detected capacity change from 0 to 6 [ 419.554201][T23494] loop0: detected capacity change from 0 to 163840 [ 419.575639][T23494] FAT-fs (loop0): bogus number of reserved sectors [ 419.582203][T23494] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 419.591316][T23494] FAT-fs (loop0): Can't find a valid FAT filesystem 03:37:36 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x6800}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:36 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x6c000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:36 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0xffffff8c, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:36 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0xa51d, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:36 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x14000000) 03:37:36 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xfeffffff00000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 419.686610][T23518] loop5: detected capacity change from 0 to 6 [ 419.694622][T23520] loop0: detected capacity change from 0 to 155648 [ 419.705870][T23520] FAT-fs (loop0): bogus number of reserved sectors [ 419.712398][T23520] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 419.721616][T23520] FAT-fs (loop0): Can't find a valid FAT filesystem [ 419.729020][T23519] loop4: detected capacity change from 0 to 208896 03:37:36 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xfeffffffffffffff}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 419.732876][T23532] loop3: detected capacity change from 0 to 104 [ 419.736210][T23522] loop1: detected capacity change from 0 to 6 [ 419.754983][T23519] FAT-fs (loop4): bogus number of reserved sectors [ 419.761522][T23519] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 419.770636][T23519] FAT-fs (loop4): Can't find a valid FAT filesystem 03:37:36 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x15000000) 03:37:36 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0xa61d, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 419.798723][T23532] FAT-fs (loop3): bogus number of reserved sectors [ 419.805248][T23532] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 419.814389][T23532] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:36 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x16000000) [ 419.842066][T23550] loop5: detected capacity change from 0 to 6 [ 419.867959][T23532] loop3: detected capacity change from 0 to 104 03:37:36 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0xffffff97, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:36 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0xa803, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 419.893608][T23532] FAT-fs (loop3): bogus number of reserved sectors [ 419.900157][T23532] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 419.909284][T23532] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:36 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x6c00}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:36 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x74000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:36 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xff0f000000000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:36 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x17000000) [ 419.955010][T23578] loop1: detected capacity change from 0 to 6 [ 419.961715][T23575] loop5: detected capacity change from 0 to 6 03:37:36 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0xa903, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 420.012615][T23595] loop3: detected capacity change from 0 to 108 [ 420.024557][T23596] loop0: detected capacity change from 0 to 86016 [ 420.038703][T23600] loop4: detected capacity change from 0 to 204800 [ 420.044765][T23596] FAT-fs (loop0): bogus number of reserved sectors [ 420.051724][T23596] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code 03:37:36 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0xffffffda, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 420.060859][T23596] FAT-fs (loop0): Can't find a valid FAT filesystem [ 420.068585][T23602] loop5: detected capacity change from 0 to 6 [ 420.076339][T23595] FAT-fs (loop3): bogus number of reserved sectors [ 420.082872][T23595] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 420.092025][T23595] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:36 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x18000000) [ 420.119107][T23611] loop1: detected capacity change from 0 to 6 [ 420.128498][T23600] FAT-fs (loop4): bogus number of reserved sectors [ 420.135012][T23600] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 420.144148][T23600] FAT-fs (loop4): Can't find a valid FAT filesystem [ 420.161539][T23595] loop3: detected capacity change from 0 to 108 03:37:36 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0xaa03, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:36 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x19000000) 03:37:36 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xff27000000000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:36 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x7a000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:36 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0xab03, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 420.168740][T23595] FAT-fs (loop3): bogus number of reserved sectors [ 420.175292][T23595] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 420.184422][T23595] FAT-fs (loop3): Can't find a valid FAT filesystem [ 420.197925][T23631] loop5: detected capacity change from 0 to 6 03:37:36 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x7400}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:36 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0xfffffff6, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 420.270199][T23647] loop0: detected capacity change from 0 to 184320 [ 420.277772][T23649] loop4: detected capacity change from 0 to 69632 [ 420.285713][T23651] loop5: detected capacity change from 0 to 6 [ 420.293329][T23656] loop3: detected capacity change from 0 to 116 [ 420.305191][T23649] FAT-fs (loop4): bogus number of reserved sectors 03:37:36 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x1a000000) [ 420.311754][T23649] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 420.320879][T23649] FAT-fs (loop4): Can't find a valid FAT filesystem [ 420.328051][T23647] FAT-fs (loop0): bogus number of reserved sectors [ 420.334679][T23647] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 420.343902][T23647] FAT-fs (loop0): Can't find a valid FAT filesystem [ 420.353052][T23656] FAT-fs (loop3): bogus number of reserved sectors [ 420.359630][T23656] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code 03:37:37 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0xac03, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:37 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x1b000000) [ 420.360345][T23663] loop1: detected capacity change from 0 to 6 [ 420.368757][T23656] FAT-fs (loop3): Can't find a valid FAT filesystem [ 420.405144][T23677] loop5: detected capacity change from 0 to 6 03:37:37 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0xfffffffd, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:37 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x85ffffff}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 420.424100][T23656] loop3: detected capacity change from 0 to 116 [ 420.433829][T23656] FAT-fs (loop3): bogus number of reserved sectors [ 420.440370][T23656] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 420.449545][T23656] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:37 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x7a00}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:37 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xfffdffff00000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:37 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x1c000000) [ 420.508508][T23699] loop4: detected capacity change from 0 to 264192 [ 420.524057][T23701] loop1: detected capacity change from 0 to 6 [ 420.530605][T23699] FAT-fs (loop4): bogus number of reserved sectors [ 420.537124][T23699] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 420.546255][T23699] FAT-fs (loop4): Can't find a valid FAT filesystem 03:37:37 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0xad03, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 420.579829][T23708] loop0: detected capacity change from 0 to 139264 [ 420.598097][T23715] loop3: detected capacity change from 0 to 122 03:37:37 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0xfffffffe, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 420.622191][T23719] loop5: detected capacity change from 0 to 6 [ 420.645248][T23715] FAT-fs (loop3): bogus number of reserved sectors [ 420.651871][T23715] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 420.660988][T23715] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:37 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x1d000000) 03:37:37 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x87030000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 420.663263][T23729] loop1: detected capacity change from 0 to 6 [ 420.678920][T23708] FAT-fs (loop0): bogus number of reserved sectors [ 420.685459][T23708] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 420.694614][T23708] FAT-fs (loop0): Can't find a valid FAT filesystem 03:37:37 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x1000000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:37 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0xae03, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 420.754216][T23748] loop4: detected capacity change from 0 to 264192 [ 420.762870][T23715] loop3: detected capacity change from 0 to 122 [ 420.780518][T23715] FAT-fs (loop3): bogus number of reserved sectors [ 420.787117][T23715] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 420.796245][T23715] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:37 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x1e000000) [ 420.808485][T23748] FAT-fs (loop4): bogus number of reserved sectors [ 420.814998][T23748] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 420.824113][T23748] FAT-fs (loop4): Can't find a valid FAT filesystem 03:37:37 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xffffff7f00000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:37 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x1f000000) [ 420.855469][T23763] loop1: detected capacity change from 0 to 6 [ 420.870994][T23775] loop5: detected capacity change from 0 to 6 03:37:37 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x8303}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:37 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x8000000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:37 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x20000000) 03:37:37 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x8cffffff}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 420.931381][T23789] loop0: detected capacity change from 0 to 16384 [ 420.969730][T23802] loop4: detected capacity change from 0 to 258047 03:37:37 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0xaf03, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 420.977481][T23803] loop1: detected capacity change from 0 to 6 [ 420.987391][T23802] FAT-fs (loop4): bogus number of reserved sectors [ 420.993997][T23802] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 421.003163][T23802] FAT-fs (loop4): Can't find a valid FAT filesystem [ 421.011592][T23789] FAT-fs (loop0): bogus number of reserved sectors [ 421.018174][T23789] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 421.027448][T23789] FAT-fs (loop0): Can't find a valid FAT filesystem [ 421.045098][T23825] loop5: detected capacity change from 0 to 6 [ 421.047935][T23826] loop3: detected capacity change from 0 to 131 [ 421.061019][T23826] FAT-fs (loop3): bogus number of reserved sectors [ 421.067533][T23826] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code 03:37:37 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x21000000) [ 421.076663][T23826] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:37 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0xb003, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:37 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x80000000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:37 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x22000000) 03:37:37 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x97ffffff}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 421.160737][T23851] loop1: detected capacity change from 0 to 6 [ 421.176228][T23857] loop5: detected capacity change from 0 to 6 [ 421.190635][T23863] loop4: detected capacity change from 0 to 264192 [ 421.191485][T23826] loop3: detected capacity change from 0 to 131 03:37:37 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xffffffff00000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:37 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x23000000) [ 421.205483][T23863] FAT-fs (loop4): bogus number of reserved sectors [ 421.212122][T23863] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 421.221347][T23863] FAT-fs (loop4): Can't find a valid FAT filesystem [ 421.238332][T23826] FAT-fs (loop3): bogus number of reserved sectors [ 421.244868][T23826] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 421.254035][T23826] FAT-fs (loop3): Can't find a valid FAT filesystem [ 421.261362][T23878] loop0: detected capacity change from 0 to 147456 [ 421.295913][T23878] FAT-fs (loop0): bogus number of reserved sectors [ 421.302478][T23878] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code 03:37:37 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xc103}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:37 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0xb026, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:37 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0xedc000000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:37 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x9f4a06d8}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:37 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x24000000) [ 421.311634][T23878] FAT-fs (loop0): Can't find a valid FAT filesystem 03:37:38 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0xff8f0000) 03:37:38 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xffffffffffff0700}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 421.383431][T23904] loop5: detected capacity change from 0 to 6 [ 421.384221][T23908] loop4: detected capacity change from 0 to 264192 [ 421.390235][T23911] loop1: detected capacity change from 0 to 6 [ 421.405155][T23908] FAT-fs (loop4): bogus number of reserved sectors [ 421.411959][T23908] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 421.421150][T23908] FAT-fs (loop4): Can't find a valid FAT filesystem 03:37:38 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x30000000000000) 03:37:38 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x1000000000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 421.455800][T23930] loop0: detected capacity change from 0 to 16135 [ 421.483237][T23930] FAT-fs (loop0): bogus number of reserved sectors [ 421.489863][T23930] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 421.498975][T23930] FAT-fs (loop0): Can't find a valid FAT filesystem 03:37:38 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0xb126, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:38 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xc0ed0000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 421.506056][T23941] loop3: detected capacity change from 0 to 193 [ 421.527934][T23941] FAT-fs (loop3): bogus number of reserved sectors [ 421.534487][T23941] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 421.543655][T23941] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:38 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xc203}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 421.554656][T23944] loop1: detected capacity change from 0 to 6 [ 421.565571][T23954] loop5: detected capacity change from 0 to 6 [ 421.568700][T23955] loop4: detected capacity change from 0 to 264192 [ 421.587397][T23955] FAT-fs (loop4): bogus number of reserved sectors [ 421.593965][T23955] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code 03:37:38 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x80000000000000) 03:37:38 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x2000000000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 421.603083][T23955] FAT-fs (loop4): Can't find a valid FAT filesystem 03:37:38 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0xb402, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:38 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xcf030000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 421.681632][T23980] loop1: detected capacity change from 0 to 6 [ 421.683928][T23977] loop3: detected capacity change from 0 to 194 [ 421.704439][T23985] loop5: detected capacity change from 0 to 6 03:37:38 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0xb626, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:38 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xffffffffffffff7f}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:38 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x100000000000000) 03:37:38 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x7ffffffffffff, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 421.739079][T23977] FAT-fs (loop3): bogus number of reserved sectors [ 421.745611][T23977] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 421.749190][T23999] loop4: detected capacity change from 0 to 264192 [ 421.754756][T23977] FAT-fs (loop3): Can't find a valid FAT filesystem [ 421.807322][T24009] loop0: detected capacity change from 0 to 16383 [ 421.814077][T24007] loop5: detected capacity change from 0 to 6 [ 421.814226][T23999] FAT-fs (loop4): bogus number of reserved sectors [ 421.826645][T23999] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 421.835770][T23999] FAT-fs (loop4): Can't find a valid FAT filesystem [ 421.844798][T24011] loop1: detected capacity change from 0 to 6 03:37:38 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x200000000000000) 03:37:38 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0xba02, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 421.856061][T24009] FAT-fs (loop0): bogus number of reserved sectors [ 421.862676][T24009] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 421.871844][T24009] FAT-fs (loop0): Can't find a valid FAT filesystem 03:37:38 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x300000000000000) [ 421.899062][T24029] loop5: detected capacity change from 0 to 6 [ 421.938851][T23977] loop3: detected capacity change from 0 to 194 [ 421.950094][T23977] FAT-fs (loop3): bogus number of reserved sectors [ 421.956615][T23977] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 421.965739][T23977] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:38 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xc303}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:38 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x40000000000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:38 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x400000000000000) 03:37:38 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xd0030000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:38 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xfffffffffffffffe}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:38 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0xbb02, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 422.060873][T24065] loop3: detected capacity change from 0 to 195 [ 422.069471][T24065] FAT-fs (loop3): bogus number of reserved sectors [ 422.074338][T24070] loop5: detected capacity change from 0 to 6 [ 422.076003][T24065] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 422.091202][T24065] FAT-fs (loop3): Can't find a valid FAT filesystem [ 422.093726][T24066] loop0: detected capacity change from 0 to 16383 03:37:38 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xc403}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 422.104981][T24067] loop4: detected capacity change from 0 to 264192 [ 422.112624][T24071] loop1: detected capacity change from 0 to 6 [ 422.119300][T24067] FAT-fs (loop4): bogus number of reserved sectors [ 422.125819][T24067] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 422.135063][T24067] FAT-fs (loop4): Can't find a valid FAT filesystem [ 422.148747][T24066] FAT-fs (loop0): bogus number of reserved sectors 03:37:38 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x500000000000000) 03:37:38 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0xedc0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 422.155272][T24066] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 422.164391][T24066] FAT-fs (loop0): Can't find a valid FAT filesystem [ 422.189802][T24092] loop3: detected capacity change from 0 to 196 [ 422.204204][T24092] FAT-fs (loop3): bogus number of reserved sectors 03:37:38 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x100000000000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 422.210745][T24092] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 422.219914][T24092] FAT-fs (loop3): Can't find a valid FAT filesystem [ 422.236964][T24101] loop5: detected capacity change from 0 to 6 03:37:38 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xd1030000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:38 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x600000000000000) [ 422.279340][T24118] loop1: detected capacity change from 0 to 6 [ 422.289414][T24092] loop3: detected capacity change from 0 to 196 [ 422.297874][T24123] loop4: detected capacity change from 0 to 264192 [ 422.310371][T24092] FAT-fs (loop3): bogus number of reserved sectors [ 422.310771][T24123] FAT-fs (loop4): bogus number of reserved sectors 03:37:38 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xffffffffffffffff}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:38 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0xfeff, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:39 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x10e000000000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 422.316880][T24092] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 422.323386][T24123] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 422.323399][T24123] FAT-fs (loop4): Can't find a valid FAT filesystem [ 422.332490][T24092] FAT-fs (loop3): Can't find a valid FAT filesystem [ 422.377821][T24136] loop5: detected capacity change from 0 to 6 [ 422.406553][T24146] loop1: detected capacity change from 0 to 6 [ 422.413260][T24151] loop0: detected capacity change from 0 to 16383 03:37:39 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x700000000000000) 03:37:39 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xd2030000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:39 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0xff0f, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:39 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xc503}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 422.424007][T24151] FAT-fs (loop0): bogus number of reserved sectors [ 422.430565][T24151] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 422.439685][T24151] FAT-fs (loop0): Can't find a valid FAT filesystem [ 422.459467][T24159] loop4: detected capacity change from 0 to 25344 03:37:39 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x200000000000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 422.480121][T24159] FAT-fs (loop4): bogus number of reserved sectors [ 422.486643][T24159] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 422.495801][T24159] FAT-fs (loop4): Can't find a valid FAT filesystem [ 422.507146][T24168] loop5: detected capacity change from 0 to 6 03:37:39 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25}, {0x0, 0x2, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:39 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x800000000000000) [ 422.581920][T24191] loop1: detected capacity change from 0 to 6 [ 422.594900][T24196] loop3: detected capacity change from 0 to 197 [ 422.606510][T24196] FAT-fs (loop3): bogus number of reserved sectors [ 422.613067][T24196] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 422.622204][T24196] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:39 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0xfffe, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:39 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xd3030000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 422.632230][T24199] loop0: detected capacity change from 0 to 6 [ 422.659996][T24199] FAT-fs (loop0): bogus number of reserved sectors [ 422.666562][T24199] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; DOS 2.x BPB is non-zero [ 422.675941][T24199] FAT-fs (loop0): Can't find a valid FAT filesystem 03:37:39 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x900000000000000) 03:37:39 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x204000000000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 422.680989][T24214] loop4: detected capacity change from 0 to 90880 [ 422.690617][T24196] loop3: detected capacity change from 0 to 197 [ 422.706664][T24214] FAT-fs (loop4): bogus number of reserved sectors [ 422.713250][T24214] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 422.722362][T24214] FAT-fs (loop4): Can't find a valid FAT filesystem 03:37:39 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0xa00000000000000) 03:37:39 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x20000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:39 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x300000000000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 422.736415][T24211] loop5: detected capacity change from 0 to 6 [ 422.745015][T24196] FAT-fs (loop3): bogus number of reserved sectors [ 422.751549][T24196] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 422.760688][T24196] FAT-fs (loop3): Can't find a valid FAT filesystem [ 422.770938][T24230] loop1: detected capacity change from 0 to 6 03:37:39 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xd4030000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:39 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xc603}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:39 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25}, {0x0, 0x3, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:39 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0xb00000000000000) [ 422.826789][T24254] loop5: detected capacity change from 0 to 6 [ 422.879072][T24255] loop4: detected capacity change from 0 to 156416 [ 422.886301][T24269] loop1: detected capacity change from 0 to 6 [ 422.892125][T24274] loop0: detected capacity change from 0 to 6 [ 422.908267][T24283] loop3: detected capacity change from 0 to 198 [ 422.915298][T24274] FAT-fs (loop0): bogus number of reserved sectors [ 422.918112][T24255] FAT-fs (loop4): bogus number of reserved sectors [ 422.921831][T24274] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; DOS 2.x BPB is non-zero [ 422.928293][T24255] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 422.937563][T24274] FAT-fs (loop0): Can't find a valid FAT filesystem [ 422.953296][T24255] FAT-fs (loop4): Can't find a valid FAT filesystem [ 422.962447][T24283] FAT-fs (loop3): bogus number of reserved sectors [ 422.969018][T24283] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code 03:37:39 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0xc00000000000000) 03:37:39 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x80000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 422.978109][T24283] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:39 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0xd00000000000000) 03:37:39 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x400000000000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 423.035521][T24308] loop5: detected capacity change from 0 to 6 [ 423.052883][T24283] loop3: detected capacity change from 0 to 198 [ 423.056462][T24314] loop1: detected capacity change from 0 to 6 [ 423.064388][T24283] FAT-fs (loop3): bogus number of reserved sectors [ 423.071748][T24283] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code 03:37:39 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0xe00000000000000) 03:37:39 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25}, {0x0, 0x4, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 423.080880][T24283] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:39 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xd5030000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:39 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x80040, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:39 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xc703}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:39 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x500000000000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 423.148603][T24342] loop0: detected capacity change from 0 to 6 [ 423.178007][T24342] FAT-fs (loop0): bogus number of reserved sectors [ 423.180212][T24343] loop4: detected capacity change from 0 to 221952 03:37:39 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0xf00000000000000) [ 423.184547][T24342] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; DOS 2.x BPB is non-zero [ 423.200288][T24342] FAT-fs (loop0): Can't find a valid FAT filesystem [ 423.208397][T24351] loop1: detected capacity change from 0 to 6 [ 423.214723][T24353] loop3: detected capacity change from 0 to 199 [ 423.226981][T24343] FAT-fs (loop4): bogus number of reserved sectors [ 423.233523][T24343] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 423.242648][T24343] FAT-fs (loop4): Can't find a valid FAT filesystem 03:37:39 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x1000000000000000) 03:37:39 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x600000000000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 423.252188][T24355] loop5: detected capacity change from 0 to 6 [ 423.256144][T24353] FAT-fs (loop3): bogus number of reserved sectors [ 423.264936][T24353] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 423.274101][T24353] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:39 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xc803}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:39 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25}, {0x0, 0x5, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:40 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x1100000000000000) 03:37:40 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x400000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:40 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xd6030000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 423.386253][T24398] loop1: detected capacity change from 0 to 6 [ 423.401595][T24399] loop0: detected capacity change from 0 to 6 [ 423.415350][T24404] loop3: detected capacity change from 0 to 200 [ 423.424491][T24408] loop5: detected capacity change from 0 to 6 [ 423.437838][T24412] loop4: detected capacity change from 0 to 264192 [ 423.447528][T24399] FAT-fs (loop0): bogus number of reserved sectors [ 423.454087][T24399] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; DOS 2.x BPB is non-zero [ 423.463407][T24399] FAT-fs (loop0): Can't find a valid FAT filesystem [ 423.480811][T24408] FAT-fs (loop5): bogus number of reserved sectors 03:37:40 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x1200000000000000) [ 423.487366][T24408] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 423.496511][T24408] FAT-fs (loop5): Can't find a valid FAT filesystem [ 423.498467][T24404] FAT-fs (loop3): bogus number of reserved sectors [ 423.509613][T24404] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 423.511281][T24412] FAT-fs (loop4): bogus number of reserved sectors [ 423.518712][T24404] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:40 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x604000000000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:40 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xd7030000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 423.531806][T24412] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 423.540919][T24412] FAT-fs (loop4): Can't find a valid FAT filesystem [ 423.566531][T24425] loop1: detected capacity change from 0 to 6 03:37:40 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0xe0ffff, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 423.601898][T24404] loop3: detected capacity change from 0 to 200 [ 423.613898][T24404] FAT-fs (loop3): bogus number of reserved sectors [ 423.620434][T24404] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 423.629565][T24404] FAT-fs (loop3): Can't find a valid FAT filesystem [ 423.629968][T24447] loop4: detected capacity change from 0 to 264192 03:37:40 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x1300000000000000) 03:37:40 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x700000000000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:40 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25}, {0x0, 0x6, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 423.653981][T24454] loop5: detected capacity change from 0 to 6 [ 423.710030][T24466] loop1: detected capacity change from 0 to 6 [ 423.723128][T24447] FAT-fs (loop4): bogus number of reserved sectors [ 423.729687][T24447] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 423.730295][T24470] loop0: detected capacity change from 0 to 6 [ 423.738870][T24447] FAT-fs (loop4): Can't find a valid FAT filesystem [ 423.751100][T24470] FAT-fs (loop0): bogus number of reserved sectors 03:37:40 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xc903}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:40 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x1000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:40 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x800000000000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:40 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x1400000000000000) [ 423.758070][T24470] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; DOS 2.x BPB is non-zero [ 423.767370][T24470] FAT-fs (loop0): Can't find a valid FAT filesystem 03:37:40 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xd8030000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 423.832120][T24495] loop3: detected capacity change from 0 to 201 [ 423.855794][T24495] FAT-fs (loop3): bogus number of reserved sectors [ 423.862343][T24495] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 423.869125][T24502] loop4: detected capacity change from 0 to 264192 03:37:40 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x1500000000000000) [ 423.871554][T24495] FAT-fs (loop3): Can't find a valid FAT filesystem [ 423.878103][T24505] loop1: detected capacity change from 0 to 6 [ 423.894357][T24506] loop5: detected capacity change from 0 to 6 [ 423.914987][T24506] FAT-fs (loop5): bogus number of reserved sectors [ 423.921536][T24506] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code 03:37:40 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x900000000000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 423.930648][T24506] FAT-fs (loop5): Can't find a valid FAT filesystem [ 423.948678][T24502] FAT-fs (loop4): bogus number of reserved sectors [ 423.955196][T24502] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 423.964331][T24502] FAT-fs (loop4): Can't find a valid FAT filesystem 03:37:40 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x1600000000000000) 03:37:40 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25}, {0x0, 0x7, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:40 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x10e0000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 423.995692][T24495] loop3: detected capacity change from 0 to 201 [ 424.001467][T24527] loop1: detected capacity change from 0 to 6 [ 424.007732][T24495] FAT-fs (loop3): bogus number of reserved sectors [ 424.014523][T24495] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 424.023643][T24495] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:40 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0xa00000000000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:40 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xd8064a9f}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 424.042800][T24534] loop0: detected capacity change from 0 to 6 [ 424.043605][T24536] loop5: detected capacity change from 0 to 6 [ 424.070985][T24534] FAT-fs (loop0): bogus number of reserved sectors [ 424.077525][T24534] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; DOS 2.x BPB is non-zero [ 424.086939][T24534] FAT-fs (loop0): Can't find a valid FAT filesystem 03:37:40 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xca03}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:40 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x1700000000000000) 03:37:40 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x2000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 424.128339][T24555] loop4: detected capacity change from 0 to 264192 [ 424.131561][T24553] loop1: detected capacity change from 0 to 6 [ 424.141834][T24555] FAT-fs (loop4): bogus number of reserved sectors [ 424.148375][T24555] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 424.157515][T24555] FAT-fs (loop4): Can't find a valid FAT filesystem 03:37:40 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xd9030000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:40 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0xb00000000000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:40 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25}, {0x0, 0x8, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 424.216373][T24574] loop5: detected capacity change from 0 to 6 [ 424.257079][T24574] FAT-fs (loop5): bogus number of reserved sectors [ 424.262240][T24591] loop3: detected capacity change from 0 to 202 [ 424.263608][T24574] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 424.274917][T24591] FAT-fs (loop3): bogus number of reserved sectors [ 424.278953][T24574] FAT-fs (loop5): Can't find a valid FAT filesystem [ 424.292050][T24591] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code 03:37:40 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x1800000000000000) [ 424.298731][T24590] loop4: detected capacity change from 0 to 264192 [ 424.301184][T24591] FAT-fs (loop3): Can't find a valid FAT filesystem [ 424.317109][T24590] FAT-fs (loop4): bogus number of reserved sectors [ 424.323667][T24590] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 424.324267][T24593] loop0: detected capacity change from 0 to 6 [ 424.332930][T24590] FAT-fs (loop4): Can't find a valid FAT filesystem [ 424.341187][T24594] loop1: detected capacity change from 0 to 6 [ 424.365742][T24591] loop3: detected capacity change from 0 to 202 [ 424.378028][T24593] FAT-fs (loop0): bogus number of reserved sectors [ 424.384623][T24593] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; DOS 2.x BPB is non-zero [ 424.393931][T24593] FAT-fs (loop0): Can't find a valid FAT filesystem [ 424.404353][T24591] FAT-fs (loop3): bogus number of reserved sectors 03:37:41 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x1900000000000000) [ 424.410904][T24591] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 424.420040][T24591] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:41 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x2040000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:41 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xda030000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:41 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0xc00000000000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:41 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xcb03}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:41 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25}, {0x0, 0x9, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 424.518010][T24636] loop1: detected capacity change from 0 to 6 [ 424.540222][T24640] loop5: detected capacity change from 0 to 6 03:37:41 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x1a00000000000000) [ 424.564530][T24642] loop3: detected capacity change from 0 to 203 [ 424.565011][T24644] loop4: detected capacity change from 0 to 21248 [ 424.584767][T24648] loop0: detected capacity change from 0 to 6 [ 424.600081][T24644] FAT-fs (loop4): bogus number of reserved sectors [ 424.606584][T24644] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 424.615711][T24644] FAT-fs (loop4): Can't find a valid FAT filesystem [ 424.631698][T24642] FAT-fs (loop3): bogus number of reserved sectors [ 424.638233][T24642] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 424.647467][T24642] FAT-fs (loop3): Can't find a valid FAT filesystem [ 424.647482][T24648] FAT-fs (loop0): bogus number of reserved sectors 03:37:41 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0xd00000000000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:41 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x3000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:41 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xdaffffff}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 424.660577][T24648] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; DOS 2.x BPB is non-zero [ 424.669865][T24648] FAT-fs (loop0): Can't find a valid FAT filesystem [ 424.699281][T24666] loop5: detected capacity change from 0 to 6 [ 424.709585][T24666] FAT-fs (loop5): bogus number of reserved sectors [ 424.716074][T24666] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 424.725186][T24666] FAT-fs (loop5): Can't find a valid FAT filesystem [ 424.738569][T24671] loop1: detected capacity change from 0 to 6 [ 424.751142][T24642] loop3: detected capacity change from 0 to 203 [ 424.755894][T24681] loop4: detected capacity change from 0 to 86015 03:37:41 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25}, {0x0, 0xa, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:41 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x1b00000000000000) [ 424.767557][T24642] FAT-fs (loop3): bogus number of reserved sectors [ 424.774100][T24642] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 424.783213][T24642] FAT-fs (loop3): Can't find a valid FAT filesystem [ 424.806338][T24681] FAT-fs (loop4): bogus number of reserved sectors 03:37:41 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x4000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:41 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xcc00}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:41 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x1c00000000000000) 03:37:41 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0xe00000000000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 424.812957][T24681] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 424.822100][T24681] FAT-fs (loop4): Can't find a valid FAT filesystem [ 424.879758][T24702] loop0: detected capacity change from 0 to 6 [ 424.882539][T24712] loop3: detected capacity change from 0 to 204 [ 424.901898][T24702] FAT-fs (loop0): bogus number of reserved sectors [ 424.908452][T24702] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; DOS 2.x BPB is non-zero [ 424.917724][T24702] FAT-fs (loop0): Can't find a valid FAT filesystem 03:37:41 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x1d00000000000000) [ 424.928807][T24716] loop1: detected capacity change from 0 to 6 [ 424.936290][T24714] loop5: detected capacity change from 0 to 6 [ 424.946746][T24712] FAT-fs (loop3): bogus number of reserved sectors [ 424.953277][T24712] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 424.962386][T24712] FAT-fs (loop3): Can't find a valid FAT filesystem [ 424.968100][T24714] FAT-fs (loop5): bogus number of reserved sectors [ 424.975489][T24714] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 424.984636][T24714] FAT-fs (loop5): Can't find a valid FAT filesystem [ 425.005136][T24712] loop3: detected capacity change from 0 to 204 [ 425.014035][T24712] FAT-fs (loop3): bogus number of reserved sectors [ 425.020578][T24712] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code 03:37:41 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x1e00000000000000) 03:37:41 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0xf00000000000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:41 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xf6ffffff}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:41 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x5000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 425.029699][T24712] FAT-fs (loop3): Can't find a valid FAT filesystem [ 425.059452][T24754] loop1: detected capacity change from 0 to 6 03:37:41 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xcc03}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:41 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25}, {0x0, 0xb, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:41 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x1f00000000000000) [ 425.083326][T24759] loop4: detected capacity change from 0 to 264192 [ 425.099051][T24762] loop5: detected capacity change from 0 to 6 [ 425.105531][T24759] FAT-fs (loop4): bogus number of reserved sectors [ 425.112054][T24759] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 425.121167][T24759] FAT-fs (loop4): Can't find a valid FAT filesystem 03:37:41 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x1000000000000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 425.143871][T24762] FAT-fs (loop5): bogus number of reserved sectors [ 425.150413][T24762] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 425.159531][T24762] FAT-fs (loop5): Can't find a valid FAT filesystem [ 425.175407][T24769] loop3: detected capacity change from 0 to 204 [ 425.196870][T24769] FAT-fs (loop3): bogus number of reserved sectors [ 425.203452][T24769] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 425.212572][T24769] FAT-fs (loop3): Can't find a valid FAT filesystem [ 425.235101][T24787] loop1: detected capacity change from 0 to 6 03:37:41 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xcd00}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 425.243230][T24791] loop0: detected capacity change from 0 to 6 03:37:41 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x2000000000000000) 03:37:41 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xf9030000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:41 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x6000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 425.276717][T24791] FAT-fs (loop0): bogus number of reserved sectors [ 425.283262][T24791] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; DOS 2.x BPB is non-zero [ 425.292572][T24791] FAT-fs (loop0): Can't find a valid FAT filesystem [ 425.294076][T24803] loop3: detected capacity change from 0 to 205 [ 425.329405][T24812] loop4: detected capacity change from 0 to 264192 [ 425.340413][T24803] FAT-fs (loop3): bogus number of reserved sectors [ 425.346947][T24803] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 425.356065][T24803] FAT-fs (loop3): Can't find a valid FAT filesystem [ 425.364928][T24812] FAT-fs (loop4): bogus number of reserved sectors [ 425.370274][T24816] loop5: detected capacity change from 0 to 6 03:37:42 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x1100000000000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 425.371485][T24812] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 425.386624][T24812] FAT-fs (loop4): Can't find a valid FAT filesystem [ 425.387751][T24816] FAT-fs (loop5): bogus number of reserved sectors [ 425.399746][T24816] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 425.408908][T24816] FAT-fs (loop5): Can't find a valid FAT filesystem 03:37:42 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xf9fdffff}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 425.424697][T24827] loop1: detected capacity change from 0 to 6 [ 425.455276][T24803] loop3: detected capacity change from 0 to 205 [ 425.455592][T24834] loop0: detected capacity change from 0 to 6 [ 425.484167][T24803] FAT-fs (loop3): bogus number of reserved sectors [ 425.490831][T24803] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code 03:37:42 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x2100000000000000) 03:37:42 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x6040000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:42 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x1200000000000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:42 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25}, {0x0, 0xc, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 425.497688][T24844] loop4: detected capacity change from 0 to 3583 [ 425.499951][T24803] FAT-fs (loop3): Can't find a valid FAT filesystem [ 425.518044][T24844] FAT-fs (loop4): bogus number of reserved sectors [ 425.524592][T24844] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 425.533729][T24844] FAT-fs (loop4): Can't find a valid FAT filesystem 03:37:42 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x2200000000000000) [ 425.579819][T24855] loop1: detected capacity change from 0 to 6 [ 425.588522][T24857] loop5: detected capacity change from 0 to 6 [ 425.604893][T24863] loop0: detected capacity change from 0 to 6 [ 425.617613][T24863] FAT-fs (loop0): bogus number of reserved sectors 03:37:42 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xe328}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:42 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x2300000000000000) [ 425.624157][T24863] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; DOS 2.x BPB is non-zero [ 425.633480][T24863] FAT-fs (loop0): Can't find a valid FAT filesystem 03:37:42 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xfa030000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:42 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x7000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:42 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x2000000000000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 425.730250][T24895] loop3: detected capacity change from 0 to 227 [ 425.744954][T24899] loop1: detected capacity change from 0 to 6 [ 425.752223][T24900] loop5: detected capacity change from 0 to 6 [ 425.754096][T24895] FAT-fs (loop3): bogus number of reserved sectors [ 425.764814][T24895] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 425.773993][T24895] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:42 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x2400000000000000) 03:37:42 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x2010000000000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 425.777129][T24901] loop4: detected capacity change from 0 to 4864 [ 425.812717][T24900] FAT-fs (loop5): bogus number of reserved sectors [ 425.819252][T24900] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code 03:37:42 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25}, {0x0, 0xd, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 425.828387][T24900] FAT-fs (loop5): Can't find a valid FAT filesystem 03:37:42 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0xff8f000000000000) [ 425.857711][T24895] loop3: detected capacity change from 0 to 227 [ 425.864582][T24920] loop0: detected capacity change from 0 to 6 [ 425.871893][T24895] FAT-fs (loop3): bogus number of reserved sectors [ 425.878439][T24895] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 425.887579][T24895] FAT-fs (loop3): Can't find a valid FAT filesystem [ 425.900693][T24920] FAT-fs (loop0): bogus number of reserved sectors [ 425.907228][T24920] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; DOS 2.x BPB is non-zero [ 425.916529][T24920] FAT-fs (loop0): Can't find a valid FAT filesystem [ 425.923500][T24901] FAT-fs (loop4): bogus number of reserved sectors [ 425.924276][T24933] loop1: detected capacity change from 0 to 6 [ 425.930026][T24901] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 425.945236][T24901] FAT-fs (loop4): Can't find a valid FAT filesystem 03:37:42 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xedc0}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:42 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x8000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:42 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0xffffffff00000000) 03:37:42 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x2200000000000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:42 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xfb030000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:42 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25}, {0x0, 0xe, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 426.052640][T24964] loop5: detected capacity change from 0 to 6 [ 426.053456][T24969] loop1: detected capacity change from 0 to 6 [ 426.064501][T24966] loop3: detected capacity change from 0 to 237 [ 426.077085][T24979] loop0: detected capacity change from 0 to 6 [ 426.087026][T24966] FAT-fs (loop3): bogus number of reserved sectors [ 426.093572][T24966] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code 03:37:42 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) r3 = io_uring_register$IORING_REGISTER_PERSONALITY(r0, 0x9, 0x0, 0x0) syz_io_uring_submit(r1, r2, &(0x7f00000000c0)=@IORING_OP_SYNC_FILE_RANGE={0x8, 0x3, 0x0, @fd=r0, 0x6, 0x0, 0x94f, 0x1, 0x0, {0x0, r3}}, 0x0) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r4, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) socket(0x10, 0x0, 0x7fffffff) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x0) [ 426.102586][T24964] FAT-fs (loop5): bogus number of reserved sectors [ 426.102681][T24966] FAT-fs (loop3): Can't find a valid FAT filesystem [ 426.109174][T24964] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 426.124937][T24964] FAT-fs (loop5): Can't find a valid FAT filesystem 03:37:42 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_io_uring_setup(0x3402, &(0x7f0000000180)={0x0, 0x5096, 0x20, 0x3, 0x38b, 0x0, r0}, &(0x7f0000ffb000/0x4000)=nil, &(0x7f0000ff7000/0x3000)=nil, &(0x7f00000000c0)=0x0, &(0x7f0000000200)) syz_memcpy_off$IO_URING_METADATA_GENERIC(r3, 0x80, &(0x7f0000000140), 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r4, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x0) [ 426.149808][T24979] FAT-fs (loop0): bogus number of reserved sectors [ 426.156342][T24979] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; DOS 2.x BPB is non-zero [ 426.165638][T24979] FAT-fs (loop0): Can't find a valid FAT filesystem [ 426.174218][T24982] loop4: detected capacity change from 0 to 70400 [ 426.190645][T24966] loop3: detected capacity change from 0 to 237 03:37:42 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x2500000000000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 426.200191][T24982] FAT-fs (loop4): bogus number of reserved sectors [ 426.200373][T24966] FAT-fs (loop3): bogus number of reserved sectors [ 426.206704][T24982] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 426.213320][T24966] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 426.213335][T24966] FAT-fs (loop3): Can't find a valid FAT filesystem [ 426.222438][T24982] FAT-fs (loop4): Can't find a valid FAT filesystem 03:37:42 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) r3 = perf_event_open(&(0x7f0000000100)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x20000000, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r4 = syz_io_uring_setup(0x15a3, &(0x7f0000000080), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ffc000/0x1000)=nil, &(0x7f0000000000)=0x0, &(0x7f0000000040)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r5, 0x40, &(0x7f0000000140)=0x307e, 0x0, 0x4) r7 = io_uring_register$IORING_REGISTER_PERSONALITY(r4, 0x9, 0x0, 0x0) syz_io_uring_submit(r5, r6, &(0x7f0000000500)=@IORING_OP_CLOSE={0x13, 0x4, 0x0, r3, 0x0, 0x0, 0x0, 0x0, 0x0, {0x0, r7}}, 0x0) r8 = perf_event_open(&(0x7f0000000100)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x20000000, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r9 = syz_io_uring_setup(0x15a3, &(0x7f0000000080), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ffc000/0x1000)=nil, &(0x7f0000000000)=0x0, &(0x7f0000000040)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r10, 0x40, &(0x7f0000000140)=0x307e, 0x0, 0x4) r12 = io_uring_register$IORING_REGISTER_PERSONALITY(r9, 0x9, 0x0, 0x0) syz_io_uring_submit(r10, r11, &(0x7f0000000500)=@IORING_OP_CLOSE={0x13, 0x4, 0x0, r8, 0x0, 0x0, 0x0, 0x0, 0x0, {0x0, r12}}, 0x0) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_OPENAT2={0x1c, 0x3, 0x0, 0xffffffffffffff9c, &(0x7f00000000c0)={0x20a80, 0x6b}, &(0x7f0000000180)='./file0\x00', 0x18, 0x0, 0x23456, {0x0, r12}}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r13, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS={0x1f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, {0x1}}, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x0) [ 426.253112][T25007] loop1: detected capacity change from 0 to 6 03:37:42 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xfc00}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:42 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xfdfdffff}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:42 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x3f00000000000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:43 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x9000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 426.341767][T25024] loop3: detected capacity change from 0 to 252 [ 426.373000][T25024] FAT-fs (loop3): bogus number of reserved sectors [ 426.379570][T25024] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code 03:37:43 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25}, {0x0, 0xf, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 426.388714][T25024] FAT-fs (loop3): Can't find a valid FAT filesystem [ 426.402459][T25040] loop1: detected capacity change from 0 to 6 [ 426.421170][T25038] loop4: detected capacity change from 0 to 264192 03:37:43 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) r4 = creat(&(0x7f00000001c0)='./bus\x00', 0x0) fcntl$setstatus(r4, 0x4, 0x6800) lseek(r4, 0x4200, 0x0) r5 = open(&(0x7f0000000700)='./bus\x00', 0x0, 0x0) sendfile(r4, r5, 0x0, 0x8400fffffffb) r6 = openat(0xffffffffffffffff, &(0x7f00000001c0)='./file0\x00', 0x8000, 0x30) getresuid(&(0x7f0000000140), &(0x7f0000000180), &(0x7f00000001c0)=0x0) r8 = getuid() r9 = getuid() setresuid(r8, r9, r7) mount$9p_fd(0x0, &(0x7f00000000c0)='./file0\x00', &(0x7f0000000180), 0x800000, &(0x7f00000003c0)={'trans=fd,', {'rfdno', 0x3d, r4}, 0x2c, {'wfdno', 0x3d, r6}, 0x2c, {[{@debug={'debug', 0x3d, 0x7}}, {@version_9p2000}, {@mmap}, {@mmap}, {@cache_none}, {@version_9p2000}], [{@permit_directio}, {@fowner_gt={'fowner>', r7}}, {@func={'func', 0x3d, 'KEXEC_KERNEL_CHECK'}}, {@hash}]}}) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x0) [ 426.439128][T25046] loop0: detected capacity change from 0 to 6 [ 426.446615][T25046] FAT-fs (loop0): bogus number of reserved sectors [ 426.453166][T25046] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; DOS 2.x BPB is non-zero [ 426.462454][T25046] FAT-fs (loop0): Can't find a valid FAT filesystem [ 426.469549][T25038] FAT-fs (loop4): bogus number of reserved sectors [ 426.476075][T25038] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 426.485349][T25038] FAT-fs (loop4): Can't find a valid FAT filesystem [ 426.499008][T25047] loop5: detected capacity change from 0 to 6 [ 426.499039][T25024] loop3: detected capacity change from 0 to 252 [ 426.508495][T25047] FAT-fs (loop5): bogus number of reserved sectors [ 426.517818][T25047] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 426.527011][T25047] FAT-fs (loop5): Can't find a valid FAT filesystem [ 426.536617][T25024] FAT-fs (loop3): bogus number of reserved sectors 03:37:43 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x4000000000000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:43 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) r3 = syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r4, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) syz_io_uring_setup(0x289, &(0x7f0000000100)={0x0, 0xbb3b, 0x1}, &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280)=0x0, &(0x7f0000000040)=0x0) r7 = open(&(0x7f0000000400)='./bus\x00', 0x1145042, 0x0) syz_io_uring_submit(r5, r6, &(0x7f00000001c0)=@IORING_OP_WRITE={0x17, 0x0, 0x0, @fd=r7, 0x0, &(0x7f00000002c0)='x', 0x1}, 0x0) syz_io_uring_setup(0x5ddf, &(0x7f0000000180)={0x0, 0xd64a, 0x1, 0x0, 0x101, 0x0, r0}, &(0x7f0000ffc000/0x2000)=nil, &(0x7f0000ff5000/0x3000)=nil, &(0x7f00000000c0), &(0x7f0000000200)=0x0) syz_io_uring_submit(r5, r8, &(0x7f0000000240)=@IORING_OP_FALLOCATE={0x11, 0x0, 0x0, @fd=r3, 0x80000000, 0x0, 0x4}, 0x40) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x0) [ 426.543164][T25024] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 426.552292][T25024] FAT-fs (loop3): Can't find a valid FAT filesystem [ 426.579114][T25072] loop1: detected capacity change from 0 to 6 03:37:43 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25}, {0x0, 0x10, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:43 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xfeff}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:43 executing program 2: r0 = open(&(0x7f0000000200)='./bus\x00', 0x141042, 0x0) sendfile(r0, r0, &(0x7f0000000100)=0x9, 0x8080ffffff80) ioctl$BLKROSET(r0, 0x125d, &(0x7f00000001c0)=0x100000000) r1 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r2, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r2, r3, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r2, r4, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r1, 0x45f5, 0x0, 0x0, 0x0, 0x0) r5 = io_uring_register$IORING_REGISTER_PERSONALITY(r1, 0x9, 0x0, 0x0) syz_io_uring_submit(0x0, r3, &(0x7f00000000c0)=@IORING_OP_WRITE_FIXED={0x5, 0x1, 0x6000, @fd_index=0x3, 0x3, 0x2, 0x6, 0x5, 0x0, {0x0, r5}}, 0x4) pipe2(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0xc000) socketpair(0x1, 0x3, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) sendmmsg(r7, &(0x7f0000000300)=[{{0x0, 0x0, 0x0}}, {{0x0, 0x0, &(0x7f00000000c0)=[{0x0}, {0xfffffffffffffffe}], 0x2}}], 0x2, 0x0) ioctl$LOOP_SET_FD(r6, 0x4c00, r7) 03:37:43 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0xa000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:43 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xfdffffff}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:43 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x4000080000000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 426.669719][T25096] loop3: detected capacity change from 0 to 254 [ 426.686518][T25100] loop0: detected capacity change from 0 to 6 [ 426.703046][T25104] loop5: detected capacity change from 0 to 6 [ 426.711086][T25096] FAT-fs (loop3): bogus number of reserved sectors [ 426.713293][T25107] loop1: detected capacity change from 0 to 6 [ 426.717664][T25096] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 426.725097][T25100] FAT-fs (loop0): bogus number of reserved sectors [ 426.732944][T25096] FAT-fs (loop3): Can't find a valid FAT filesystem [ 426.746031][T25100] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; DOS 2.x BPB is non-zero [ 426.755338][T25100] FAT-fs (loop0): Can't find a valid FAT filesystem 03:37:43 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0xb000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 426.765285][T25104] FAT-fs (loop5): bogus number of reserved sectors [ 426.771825][T25104] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 426.780945][T25104] FAT-fs (loop5): Can't find a valid FAT filesystem [ 426.791549][T25109] loop4: detected capacity change from 0 to 264192 03:37:43 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xff0f}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 426.841363][T25109] FAT-fs (loop4): bogus number of reserved sectors [ 426.847940][T25109] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 426.857075][T25109] FAT-fs (loop4): Can't find a valid FAT filesystem 03:37:43 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25}, {0x0, 0x11, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:43 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) r3 = mmap$IORING_OFF_SQ_RING(&(0x7f0000fff000/0x1000)=nil, 0x1000, 0x0, 0x11, 0xffffffffffffffff, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) r5 = perf_event_open(&(0x7f0000000100)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x20000000, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r6 = syz_io_uring_setup(0x15a3, &(0x7f0000000080), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ffc000/0x1000)=nil, &(0x7f0000000000)=0x0, &(0x7f0000000040)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r7, 0x40, &(0x7f0000000140)=0x307e, 0x0, 0x4) r9 = io_uring_register$IORING_REGISTER_PERSONALITY(r6, 0x9, 0x0, 0x0) syz_io_uring_submit(r7, r8, &(0x7f0000000500)=@IORING_OP_CLOSE={0x13, 0x4, 0x0, r5, 0x0, 0x0, 0x0, 0x0, 0x0, {0x0, r9}}, 0x0) syz_io_uring_submit(r3, r2, &(0x7f0000000200)=@IORING_OP_SPLICE={0x1e, 0x0, 0x0, @fd=r4, 0xffffffff, {}, 0x7fcf, 0x0, 0x0, {0x0, r9, r0}}, 0x1) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) r10 = creat(&(0x7f0000000000)='./bus\x00', 0x0) io_setup(0x75, &(0x7f0000000280)=0x0) io_submit(r11, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r10, &(0x7f00000002c0)="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", 0xa9f9, 0x7}]) syz_io_uring_setup(0x6376, &(0x7f0000000100)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, r0}, &(0x7f0000ff8000/0x4000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) write$P9_RREADLINK(r10, &(0x7f0000000180)={0xe, 0x17, 0x1, {0x5, './bus'}}, 0xe) syz_io_uring_submit(r1, r12, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x0) 03:37:43 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x4401000000000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 426.908514][T25130] loop5: detected capacity change from 0 to 6 [ 426.920585][T25135] loop3: detected capacity change from 0 to 255 [ 426.952333][T25135] FAT-fs (loop3): bogus number of reserved sectors [ 426.958865][T25135] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 426.967975][T25135] FAT-fs (loop3): Can't find a valid FAT filesystem [ 426.976780][T25130] FAT-fs (loop5): bogus number of reserved sectors [ 426.983332][T25130] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 426.985348][T25145] loop0: detected capacity change from 0 to 6 [ 426.992551][T25130] FAT-fs (loop5): Can't find a valid FAT filesystem [ 427.023577][T25147] loop1: detected capacity change from 0 to 6 [ 427.043042][T25145] FAT-fs (loop0): bogus number of reserved sectors [ 427.049623][T25145] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; DOS 2.x BPB is non-zero [ 427.058928][T25145] FAT-fs (loop0): Can't find a valid FAT filesystem 03:37:43 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0xc000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:43 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xfeffffff}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 427.080191][T25135] loop3: detected capacity change from 0 to 255 [ 427.103339][T25135] FAT-fs (loop3): bogus number of reserved sectors [ 427.109879][T25135] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 427.119038][T25135] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:43 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x4501000000000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 427.153155][T25167] loop5: detected capacity change from 0 to 6 [ 427.170703][T25167] FAT-fs (loop5): bogus number of reserved sectors [ 427.177291][T25167] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 427.186409][T25167] FAT-fs (loop5): Can't find a valid FAT filesystem [ 427.191414][T25173] loop4: detected capacity change from 0 to 264192 03:37:43 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25}, {0x0, 0x12, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:43 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x4800000000000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:43 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xfffe}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 427.206195][T25178] loop1: detected capacity change from 0 to 6 [ 427.233351][T25173] FAT-fs (loop4): bogus number of reserved sectors [ 427.239928][T25173] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 427.249125][T25173] FAT-fs (loop4): Can't find a valid FAT filesystem 03:37:43 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0xd000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 427.291185][T25192] loop1: detected capacity change from 0 to 6 [ 427.305669][T25198] loop0: detected capacity change from 0 to 6 03:37:44 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) r4 = geteuid() getresuid(&(0x7f0000000140), &(0x7f0000000180), &(0x7f00000001c0)=0x0) r6 = getuid() r7 = getuid() geteuid() setresuid(r6, r7, r5) ioctl$NS_GET_OWNER_UID(0xffffffffffffffff, 0xb704, &(0x7f00000001c0)=0x0) getresuid(&(0x7f0000000140), &(0x7f0000000180), &(0x7f00000001c0)=0x0) r10 = getuid() r11 = getuid() setresuid(r10, r11, r9) newfstatat(0xffffffffffffff9c, &(0x7f0000000200)='./file0\x00', &(0x7f00000002c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x400) setxattr$system_posix_acl(&(0x7f00000000c0)='./file0\x00', &(0x7f0000000180)='system.posix_acl_access\x00', &(0x7f0000000580)=ANY=[@ANYBLOB="02000000010001000000000002000400", @ANYRES32=r4, @ANYBLOB="02000300", @ANYRES32, @ANYBLOB="02000200", @ANYRES32=0x0, @ANYBLOB="02000200", @ANYRES32=r8, @ANYBLOB="02000300", @ANYRES32=r11, @ANYBLOB="02000300c3cb831b9e2165579924dcbd0e9ade7d5fa3119f5f87da574e4790c0df3cb8ed673126c953ea7a0a2444d2296d80a0c418fa185d05fc8110c8015d290c8a581d688b2add6499a9c393f6d4f1d5ab611ec984221bd6a3393a917ae33bc2710a675764f408f91a21959fcec05dea", @ANYRES32=0xee01, @ANYBLOB="02000300", @ANYRES32=0xee00, @ANYBLOB="040003000000000008000200", @ANYRES32=0xee01, @ANYBLOB="08000600", @ANYRES32=0x0, @ANYBLOB="08000100", @ANYRES32=0x0, @ANYBLOB="08000300", @ANYRES32=r12, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000400", @ANYRES32, @ANYBLOB="10000600000000002000000000000000"], 0x8c, 0x0) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x0) [ 427.343732][T25198] FAT-fs (loop0): bogus number of reserved sectors [ 427.350317][T25198] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; DOS 2.x BPB is non-zero [ 427.359614][T25198] FAT-fs (loop0): Can't find a valid FAT filesystem 03:37:44 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x4b01000000000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:44 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xff0f0000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 427.408628][T25215] loop3: detected capacity change from 0 to 255 [ 427.412772][T25216] loop5: detected capacity change from 0 to 6 [ 427.448530][T25216] FAT-fs (loop5): bogus number of reserved sectors [ 427.455067][T25216] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 427.464198][T25216] FAT-fs (loop5): Can't find a valid FAT filesystem [ 427.471456][T25215] FAT-fs (loop3): bogus number of reserved sectors [ 427.477970][T25215] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 427.487097][T25215] FAT-fs (loop3): Can't find a valid FAT filesystem [ 427.495278][T25226] loop1: detected capacity change from 0 to 6 03:37:44 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x289, &(0x7f0000000100)={0x0, 0xbb3b, 0x1}, &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280)=0x0, &(0x7f0000000040)=0x0) clock_gettime(0x3, &(0x7f0000000240)) r5 = open(&(0x7f0000000400)='./bus\x00', 0x1145042, 0x0) syz_memcpy_off$IO_URING_METADATA_FLAGS(r3, 0x118, &(0x7f0000000300), 0x0, 0x4) syz_io_uring_submit(r3, r4, &(0x7f00000001c0)=@IORING_OP_WRITE={0x17, 0x0, 0x0, @fd=r5, 0x0, &(0x7f00000002c0)='x', 0x1}, 0x0) syz_io_uring_submit(r1, r4, &(0x7f0000000200)=@IORING_OP_ACCEPT={0xd, 0x4, 0x0, 0xffffffffffffffff, &(0x7f00000000c0)=0xb2, &(0x7f0000000180)=@in6={0xa, 0x0, 0x0, @empty}, 0x0, 0x80000, 0x1}, 0x7) syz_io_uring_setup(0x5cdc, &(0x7f0000000100)={0x0, 0xc3be, 0x0, 0xffffffff}, &(0x7f0000ff9000/0x4000)=nil, &(0x7f0000ff4000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) pipe(&(0x7f00000003c0)={0xffffffffffffffff, 0xffffffffffffffff}) syz_io_uring_setup(0x35c6, &(0x7f0000000440)={0x0, 0x1044, 0x0, 0x3, 0x29a, 0x0, r7}, &(0x7f0000ee5000/0x4000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f00000004c0), &(0x7f0000000500)) syz_io_uring_submit(r1, r6, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x0) [ 427.509231][T25231] loop4: detected capacity change from 0 to 264192 [ 427.543288][T25215] loop3: detected capacity change from 0 to 255 [ 427.555909][T25231] FAT-fs (loop4): bogus number of reserved sectors [ 427.562569][T25231] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 427.571697][T25231] FAT-fs (loop4): Can't find a valid FAT filesystem 03:37:44 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25}, {0x0, 0x22, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:44 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x4c00000000000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 427.601290][T25215] FAT-fs (loop3): bogus number of reserved sectors [ 427.608044][T25215] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 427.617200][T25215] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:44 executing program 2: r0 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/class/spi_transport', 0x1e080, 0x10) r1 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, r0}, &(0x7f0000ffe000/0x1000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r2, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r2, r3, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r2, r4, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) mmap(&(0x7f0000ff3000/0x4000)=nil, 0x4000, 0x1000000, 0x11, 0xffffffffffffffff, 0x697ef000) io_uring_enter(r1, 0x45f5, 0x0, 0x0, 0x0, 0x0) [ 427.658683][T25257] loop0: detected capacity change from 0 to 6 [ 427.664409][T25256] loop1: detected capacity change from 0 to 6 03:37:44 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xfffdffff}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:44 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0xe000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 427.700428][T25257] FAT-fs (loop0): bogus number of reserved sectors [ 427.706976][T25257] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; DOS 2.x BPB is non-zero [ 427.716282][T25257] FAT-fs (loop0): Can't find a valid FAT filesystem 03:37:44 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x6000000000000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:44 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x80000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 427.817272][T25285] loop4: detected capacity change from 0 to 264192 [ 427.825528][T25290] loop5: detected capacity change from 0 to 6 [ 427.845439][T25297] loop1: detected capacity change from 0 to 6 [ 427.851883][T25285] FAT-fs (loop4): bogus number of reserved sectors [ 427.858423][T25285] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code 03:37:44 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25}, {0x0, 0x25, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:44 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_setup(0x289, &(0x7f0000000100)={0x0, 0xbb3b, 0x1}, &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280)=0x0, &(0x7f0000000040)=0x0) open(&(0x7f0000000400)='./bus\x00', 0x1145042, 0x0) socketpair(0x1, 0x3, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg(r6, &(0x7f0000000300)=[{{0x0, 0x0, 0x0}}, {{0x0, 0x0, &(0x7f00000000c0)=[{0x0}, {0xfffffffffffffffe}], 0x2}}], 0x2, 0x0) syz_io_uring_submit(r4, r5, &(0x7f00000001c0)=@IORING_OP_FADVISE={0x18, 0x5, 0x0, @fd=r6, 0x80000000000007, 0x0, 0x10000}, 0x0) syz_io_uring_setup(0x289, &(0x7f0000000100)={0x0, 0xbb3b, 0x1}, &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280)=0x0, &(0x7f0000000040)=0x0) r10 = open(&(0x7f0000000400)='./bus\x00', 0x1145042, 0x0) syz_io_uring_submit(r8, r9, &(0x7f00000001c0)=@IORING_OP_WRITE={0x17, 0x0, 0x0, @fd=r10, 0x0, &(0x7f00000002c0)='x', 0x1}, 0x0) syz_io_uring_submit(r4, r9, &(0x7f00000000c0)=@IORING_OP_REMOVE_BUFFERS={0x1f, 0x1, 0x0, 0x4}, 0x20) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) syz_memcpy_off$IO_URING_METADATA_GENERIC(0x0, 0x40, &(0x7f0000000140)=0x307e, 0x0, 0x4) r11 = io_uring_register$IORING_REGISTER_PERSONALITY(0xffffffffffffffff, 0x9, 0x0, 0x0) syz_io_uring_submit(0x0, 0x0, &(0x7f0000000500)=@IORING_OP_CLOSE={0x13, 0x4, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, {0x0, r11}}, 0x0) syz_io_uring_submit(0x0, r2, &(0x7f0000000240)=@IORING_OP_READV=@pass_iovec={0x1, 0x0, 0x4007, @fd=r7, 0x3, &(0x7f0000000200)=[{&(0x7f0000000180)=""/9, 0x9}], 0x1, 0x11, 0x1, {0x0, r11}}, 0x4) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x0) [ 427.860233][T25301] loop3: detected capacity change from 0 to 2048 [ 427.867529][T25285] FAT-fs (loop4): Can't find a valid FAT filesystem [ 427.882855][T25290] FAT-fs (loop5): bogus number of reserved sectors [ 427.889384][T25290] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 427.898548][T25290] FAT-fs (loop5): Can't find a valid FAT filesystem [ 427.915917][T25301] FAT-fs (loop3): bogus number of reserved sectors [ 427.922465][T25301] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 427.931594][T25301] FAT-fs (loop3): Can't find a valid FAT filesystem [ 427.933725][T25315] loop0: detected capacity change from 0 to 6 [ 427.959634][T25315] FAT-fs (loop0): bogus number of reserved sectors 03:37:44 executing program 2: syz_memcpy_off$IO_URING_METADATA_GENERIC(0x0, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(0x0, 0x0, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x289, &(0x7f0000000100)={0x0, 0xbb3b, 0x1}, &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280)=0x0, &(0x7f0000000300)=0x0) open(&(0x7f0000000400)='./bus\x00', 0x1167242, 0x0) syz_io_uring_submit(r0, r1, &(0x7f0000000240)=@IORING_OP_FADVISE={0x18, 0x6, 0x0, @fd_index, 0x0, 0x0, 0x101}, 0x0) syz_io_uring_setup(0x289, &(0x7f0000000440)={0x0, 0xbb3b, 0x1, 0x0, 0x2f7}, &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280)=0x0, &(0x7f0000000040)=0x0) r4 = open(&(0x7f0000000400)='./bus\x00', 0x1145042, 0x0) syz_io_uring_submit(r2, r3, &(0x7f00000001c0)=@IORING_OP_WRITE={0x17, 0x0, 0x0, @fd=r4, 0x0, &(0x7f00000002c0)='x', 0x1}, 0x0) r5 = accept4$inet6(0xffffffffffffffff, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, &(0x7f0000000180)=0x1c, 0x80000) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x6800) lseek(0xffffffffffffffff, 0x4200, 0x0) r6 = open(&(0x7f0000000700)='./bus\x00', 0x0, 0x0) sendfile(0xffffffffffffffff, r6, 0x0, 0x8400fffffffb) io_uring_enter(0xffffffffffffffff, 0x6bb0, 0x2326, 0x3, &(0x7f0000000200)={[0x383]}, 0x8) syz_io_uring_submit(r0, r3, &(0x7f00000001c0)=@IORING_OP_FALLOCATE={0x11, 0x4, 0x0, @fd=r5, 0x1, 0x0, 0xffff, 0x0, 0x1}, 0x2) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(0x0, r7, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(0xffffffffffffffff, 0x45f5, 0x0, 0x0, 0x0, 0x0) 03:37:44 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x6800000000000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:44 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xfffffdf9}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:44 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0xf000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 427.966164][T25315] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; DOS 2.x BPB is non-zero [ 427.975473][T25315] FAT-fs (loop0): Can't find a valid FAT filesystem [ 428.025755][T25335] loop1: detected capacity change from 0 to 6 [ 428.031635][T25338] loop4: detected capacity change from 0 to 264192 [ 428.048916][T25301] loop3: detected capacity change from 0 to 2048 [ 428.055651][T25301] FAT-fs (loop3): bogus number of reserved sectors [ 428.062221][T25301] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 428.071350][T25301] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:44 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(0x0, 0x40, &(0x7f0000000140)=0x307e, 0x0, 0x4) r3 = io_uring_register$IORING_REGISTER_PERSONALITY(0xffffffffffffffff, 0x9, 0x0, 0x0) syz_io_uring_submit(0x0, 0x0, &(0x7f0000000500)=@IORING_OP_CLOSE={0x13, 0x4, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, {0x0, r3}}, 0x0) syz_io_uring_submit(0x0, 0x0, &(0x7f00000003c0)=@IORING_OP_POLL_REMOVE={0x7, 0x5, 0x0, 0x0, 0x0, 0x23456, 0x0, 0x0, 0x1, {0x0, r3}}, 0x2) r4 = dup(r0) io_uring_register$IORING_UNREGISTER_PERSONALITY(r4, 0xa, 0x0, 0x0) syz_io_uring_setup(0x56e, &(0x7f0000000180)={0x0, 0xd3b, 0x8, 0x10000, 0x304}, &(0x7f0000ff8000/0x3000)=nil, &(0x7f0000ff7000/0x3000)=nil, &(0x7f0000000200)=0x0, &(0x7f0000000240)) syz_memcpy_off$IO_URING_METADATA_GENERIC(r5, 0xc0, &(0x7f00000000c0)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_submit(r1, 0x0, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) syz_io_uring_setup(0x289, &(0x7f0000000100)={0x0, 0xbb3b, 0x1}, &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280)=0x0, &(0x7f0000000040)=0x0) r8 = open(&(0x7f0000000400)='./bus\x00', 0x1145042, 0x0) syz_io_uring_submit(r6, r7, &(0x7f00000001c0)=@IORING_OP_WRITE={0x17, 0x0, 0x0, @fd=r8, 0x0, &(0x7f00000002c0)='x', 0x1}, 0x0) socketpair(0x1, 0x3, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) sendmmsg(r9, &(0x7f0000000300)=[{{0x0, 0x0, 0x0}}, {{0x0, 0x0, &(0x7f00000000c0)=[{0x0}, {0xfffffffffffffffe}], 0x2}}], 0x2, 0x0) syz_io_uring_submit(r1, r7, &(0x7f0000000300)=@IORING_OP_EPOLL_CTL=@mod={0x1d, 0x3, 0x0, r4, &(0x7f00000002c0)={0x10002007}, r9, 0x3, 0x0, 0x1}, 0x0) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x0) 03:37:44 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x6c00000000000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:44 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25}, {0x0, 0x33, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 428.098905][T25338] FAT-fs (loop4): bogus number of reserved sectors [ 428.105471][T25338] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 428.114628][T25338] FAT-fs (loop4): Can't find a valid FAT filesystem 03:37:44 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x80040}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:44 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0xfffffff8, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x0) [ 428.145054][T25346] loop5: detected capacity change from 0 to 6 [ 428.162045][T25368] loop0: detected capacity change from 0 to 6 [ 428.167330][T25346] FAT-fs (loop5): bogus number of reserved sectors [ 428.174644][T25346] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 428.183810][T25346] FAT-fs (loop5): Can't find a valid FAT filesystem [ 428.185189][T25372] loop1: detected capacity change from 0 to 6 [ 428.201185][T25375] loop3: detected capacity change from 0 to 2048 [ 428.212608][T25368] FAT-fs (loop0): bogus number of reserved sectors [ 428.219150][T25368] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; DOS 2.x BPB is non-zero [ 428.228513][T25368] FAT-fs (loop0): Can't find a valid FAT filesystem 03:37:44 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xfffffdfd}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:44 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x7400000000000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:44 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x10000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 428.283975][T25375] FAT-fs (loop3): bogus number of reserved sectors [ 428.290521][T25375] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 428.299648][T25375] FAT-fs (loop3): Can't find a valid FAT filesystem [ 428.342427][T25399] loop4: detected capacity change from 0 to 264192 [ 428.350205][T25404] loop1: detected capacity change from 0 to 6 [ 428.357031][T25405] loop5: detected capacity change from 0 to 6 [ 428.366360][T25399] FAT-fs (loop4): bogus number of reserved sectors [ 428.372969][T25399] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 428.382094][T25399] FAT-fs (loop4): Can't find a valid FAT filesystem [ 428.389366][T25405] FAT-fs (loop5): bogus number of reserved sectors [ 428.395933][T25405] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 428.405062][T25405] FAT-fs (loop5): Can't find a valid FAT filesystem [ 428.414292][T25375] loop3: detected capacity change from 0 to 2048 03:37:45 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25}, {0x0, 0x48, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 428.450983][T25375] FAT-fs (loop3): bogus number of reserved sectors [ 428.457525][T25375] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 428.466694][T25375] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:45 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x7a00000000000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 428.492908][T25425] loop0: detected capacity change from 0 to 6 [ 428.501396][T25425] FAT-fs (loop0): bogus number of reserved sectors [ 428.507916][T25425] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; DOS 2.x BPB is non-zero [ 428.517239][T25425] FAT-fs (loop0): Can't find a valid FAT filesystem 03:37:45 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100)={0x0, 0x0, 0x1}, &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x0) 03:37:45 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x11000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:45 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xfffffdff}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 428.550019][T25435] loop1: detected capacity change from 0 to 6 03:37:45 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) r3 = syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ff1000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r4, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS={0x1f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x739) syz_io_uring_setup(0x7846, &(0x7f00000003c0)={0x0, 0x5726, 0x20, 0x3, 0xe5, 0x0, r3}, &(0x7f0000ff6000/0x3000)=nil, &(0x7f0000ff2000/0x1000)=nil, &(0x7f0000000300)=0x0, &(0x7f0000000440)) syz_io_uring_setup(0x289, &(0x7f0000000100)={0x0, 0xbb3b, 0x1}, &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280)=0x0, &(0x7f0000000040)=0x0) r8 = open(&(0x7f0000000400)='./bus\x00', 0x1145042, 0x0) syz_io_uring_submit(r6, r7, &(0x7f00000001c0)=@IORING_OP_WRITE={0x17, 0x0, 0x0, @fd=r8, 0x0, &(0x7f00000002c0)='x', 0x1}, 0x0) syz_io_uring_submit(r5, r7, &(0x7f0000000500)=@IORING_OP_OPENAT2={0x1c, 0x5, 0x0, 0xffffffffffffff9c, &(0x7f0000000480)={0x2, 0x20, 0x2}, &(0x7f00000004c0)='./file0\x00', 0x18, 0x0, 0x23456}, 0xffffff82) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) fsetxattr$trusted_overlay_origin(r3, &(0x7f00000000c0), &(0x7f0000000180), 0x2, 0x3) sendmsg(0xffffffffffffffff, &(0x7f00000002c0)={&(0x7f00000001c0)=@llc={0x1a, 0x204, 0x7f, 0x93, 0x0, 0xf8}, 0x80, &(0x7f0000000240)=[{&(0x7f0000000580)="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0x1000}], 0x1, &(0x7f00000027c0)=[{0x48, 0x110, 0x1f, "5d43b1c4ec8a3ebe9fc63926d595c569f590c2e64359106d33edfc27e7d33506babcda71b317244f8488e579bb4c9644c0"}, {0x28, 0x101, 0x7, "cd8be90de07eb14d47df65d947aeca11e83cd0cae1"}, {0xd8, 0x10f, 0x8000, "a5845c2d10d8b9bd94f6085197d2cea882364d9e5cf24f2b648864bcc5e495ced7cc513880f4d8f59b275367efece145ed7e92dbea70b9be2048ca8ee3a2c5370ad921f2a1b50e5f001d27a3522f209386c64ee1673fdec633fc11ad85c8aa0cbc7f78305fe2665b2759d0eec853b72c4e9c2c29fe45693382e44d9c946180d11e98f2b193b5341db0588166a42b346a89a823cd467be24d2cf24fa003870179969cf63c84d5b310b7bc88e96e8657c28cab1d511d4b96022af0243da211a6bdc1b7d44fb8765c2a"}, {0x1010, 0x10b, 0x8, 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"}, {0xe8, 0x0, 0x7, "86678d8b12c4a2c611b46a2e50c561899696d0ee1039abdade4386e7dc6c118a9f20dcea66cf23a5c1ab94a68edd6fe5a1a553c9986de4d042906fd0facf5037b866dde353bd739e6fb8112f80e75f46219c6afe8a401528fcd3552aa8b0d8692f704d2fd084b2fe808cef2a56b01330c16fb001cb869765ada0ebfd4a982f5a05f20ff2a8bb7c2a84e2593e08dc29788e1d499ea794fb91045fe37f17e72d6c78c2da6388b8abc975049b0afacb029835a0e22f4d24b3ccd861d37270dcf341a43407113647144be30b3d4b1d4e6890607bfa"}, {0xc8, 0xff, 0x0, "5ab15a0dc1af392e73398cf75a87f31db0781f7040b7909653127e13262cda3988e5b37a0e3830d06526ccdd8c446c324955a3e68757578e12bc7a8263566b6bf1effe64fc2c562e5d678cdd672704329a6f8579fba88aa60a74f571124ae59a04a613496429df315af05669009975af0c12a7051323856d7e0907f87c420d74ba7ffad40147eca91e82c7c790a0d2c6c18b852c610a0a783b8e33ad25caee4ca81b47d998ca1835e1d0769bebb7e0958b16f4"}], 0x2470}, 0x0) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x0) 03:37:45 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x1000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:45 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x7fffffffffffffff, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 428.596186][T25448] loop4: detected capacity change from 0 to 264192 [ 428.629833][T25457] loop5: detected capacity change from 0 to 6 [ 428.637447][T25448] FAT-fs (loop4): bogus number of reserved sectors 03:37:45 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xffffff7f}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 428.643985][T25448] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 428.653127][T25448] FAT-fs (loop4): Can't find a valid FAT filesystem [ 428.670539][T25457] FAT-fs (loop5): bogus number of reserved sectors [ 428.677065][T25457] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 428.686186][T25457] FAT-fs (loop5): Can't find a valid FAT filesystem 03:37:45 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_setup(0x289, &(0x7f0000000100)={0x0, 0xbb3b, 0x1}, &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280)=0x0, &(0x7f0000000040)=0x0) r5 = open(&(0x7f0000000400)='./bus\x00', 0x1145042, 0x0) syz_io_uring_submit(r3, r4, &(0x7f00000001c0)=@IORING_OP_WRITE={0x17, 0x0, 0x0, @fd=r5, 0x0, &(0x7f00000002c0)='x', 0x1}, 0x0) syz_io_uring_submit(r3, 0x0, &(0x7f00000000c0)=@IORING_OP_POLL_REMOVE={0x7, 0x2, 0x0, 0x0, 0x0, 0x23456}, 0x40) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r6, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x0) 03:37:45 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25}, {0x0, 0x4c, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 428.710830][T25465] loop1: detected capacity change from 0 to 6 03:37:45 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x12000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 428.756986][T25486] loop3: detected capacity change from 0 to 65536 [ 428.757179][T25487] loop0: detected capacity change from 0 to 6 [ 428.773306][T25487] FAT-fs (loop0): bogus number of reserved sectors [ 428.779872][T25487] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; DOS 2.x BPB is non-zero [ 428.789176][T25487] FAT-fs (loop0): Can't find a valid FAT filesystem [ 428.796231][T25481] loop4: detected capacity change from 0 to 264192 [ 428.806824][T25481] FAT-fs (loop4): bogus number of reserved sectors [ 428.813407][T25481] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 428.817642][T25486] FAT-fs (loop3): bogus number of reserved sectors [ 428.822527][T25481] FAT-fs (loop4): Can't find a valid FAT filesystem [ 428.835596][T25486] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 428.844413][T25500] loop5: detected capacity change from 0 to 6 [ 428.844726][T25486] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:45 executing program 2: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_buf(r0, 0x6, 0x1f, &(0x7f0000000000), 0x1) r1 = syz_io_uring_setup(0x7e1f, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x2}, &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r2, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r2, r3, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r2, r4, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r1, 0x45f5, 0x0, 0x0, 0x0, 0x0) 03:37:45 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x8203000000000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 428.857493][T25500] FAT-fs (loop5): bogus number of reserved sectors [ 428.864047][T25500] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 428.873175][T25500] FAT-fs (loop5): Can't find a valid FAT filesystem 03:37:45 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x20000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:45 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x10e0000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 428.920097][T25486] loop3: detected capacity change from 0 to 65536 [ 428.927155][T25486] FAT-fs (loop3): bogus number of reserved sectors [ 428.933699][T25486] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 428.942839][T25486] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:45 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xffffff85}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:45 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)) syz_io_uring_setup(0x289, &(0x7f0000000100)={0x0, 0xbb3b, 0x1}, &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280)=0x0, &(0x7f0000000040)=0x0) r5 = open(&(0x7f0000000400)='./bus\x00', 0x1145042, 0x0) syz_io_uring_submit(r3, r4, &(0x7f00000001c0)=@IORING_OP_WRITE={0x17, 0x0, 0x0, @fd=r5, 0x0, &(0x7f00000002c0)='x', 0x1}, 0x0) syz_io_uring_submit(r1, r4, &(0x7f0000002780), 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x0) [ 428.973336][T25530] loop1: detected capacity change from 0 to 6 [ 429.004052][T25533] loop5: detected capacity change from 0 to 6 [ 429.012921][T25540] loop3: detected capacity change from 0 to 69120 03:37:45 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25}, {0x0, 0x60, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 429.023775][T25541] loop4: detected capacity change from 0 to 264192 [ 429.031379][T25533] FAT-fs (loop5): bogus number of reserved sectors [ 429.037883][T25533] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 429.047033][T25533] FAT-fs (loop5): Can't find a valid FAT filesystem [ 429.060049][T25540] FAT-fs (loop3): bogus number of reserved sectors 03:37:45 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x85ffffff00000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:45 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x2000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 429.066640][T25540] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 429.075793][T25540] FAT-fs (loop3): Can't find a valid FAT filesystem [ 429.083996][T25541] FAT-fs (loop4): bogus number of reserved sectors [ 429.090534][T25541] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 429.099706][T25541] FAT-fs (loop4): Can't find a valid FAT filesystem [ 429.106373][T25558] loop0: detected capacity change from 0 to 6 03:37:45 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x20100000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 429.158203][T25570] loop1: detected capacity change from 0 to 6 [ 429.172598][T25558] FAT-fs (loop0): bogus number of reserved sectors [ 429.176439][T25574] loop3: detected capacity change from 0 to 131072 [ 429.179155][T25558] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; DOS 2.x BPB is non-zero [ 429.194905][T25558] FAT-fs (loop0): Can't find a valid FAT filesystem 03:37:45 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xffffff8c}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:45 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) r3 = syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) io_uring_enter(0xffffffffffffffff, 0x2331, 0x3a2b, 0x2, &(0x7f0000000580)={[0x2]}, 0x8) syz_io_uring_submit(r1, r4, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) syz_io_uring_setup(0x289, &(0x7f0000000100)={0x0, 0xbb3b, 0x1}, &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280)=0x0, &(0x7f0000000040)=0x0) r7 = open(&(0x7f0000000400)='./bus\x00', 0x1145042, 0x0) syz_io_uring_submit(r5, r6, &(0x7f00000001c0)=@IORING_OP_WRITE={0x17, 0x0, 0x0, @fd=r7, 0x0, &(0x7f00000002c0)='x', 0x1}, 0x0) syz_io_uring_submit(r5, r2, &(0x7f00000000c0)=@IORING_OP_TEE={0x21, 0x0, 0x0, @fd_index=0x2, 0x0, 0x0, 0x7fffffff, 0x1, 0x1, {0x0, 0x0, r0}}, 0x1000) syz_io_uring_setup(0x2682, &(0x7f0000000200)={0x0, 0xbabf, 0x4, 0x2, 0x34d, 0x0, r3}, &(0x7f0000ff5000/0x3000)=nil, &(0x7f0000ff6000/0x4000)=nil, &(0x7f0000000180)=0x0, &(0x7f0000000300)) r9 = mmap$IORING_OFF_SQES(&(0x7f0000ff5000/0x1000)=nil, 0x1000, 0xe, 0x13, r7, 0x10000000) r10 = perf_event_open(&(0x7f0000000100)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x20000000, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r11 = syz_io_uring_setup(0x15a3, &(0x7f0000000080)={0x0, 0x2, 0x10, 0x0, 0xa4}, &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ffc000/0x1000)=nil, &(0x7f0000000000)=0x0, &(0x7f0000000480)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r12, 0x40, &(0x7f0000000140)=0x307e, 0x0, 0x4) r14 = io_uring_register$IORING_REGISTER_PERSONALITY(r11, 0x9, 0x0, 0x0) syz_io_uring_submit(r12, r13, &(0x7f0000000500)=@IORING_OP_CLOSE={0x13, 0x4, 0x0, r10, 0x0, 0x0, 0x0, 0x0, 0x0, {0x0, r14}}, 0x0) syz_io_uring_submit(r8, r9, &(0x7f0000000440)=@IORING_OP_TIMEOUT={0xb, 0x1, 0x0, 0x0, 0x0, &(0x7f00000003c0)={0x77359400}, 0x1, 0x0, 0x1, {0x0, r14}}, 0x9) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x0) [ 429.206564][T25574] FAT-fs (loop3): bogus number of reserved sectors [ 429.213147][T25574] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 429.222270][T25574] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:45 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x22000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 429.249864][T25583] loop4: detected capacity change from 0 to 264192 [ 429.263536][T25584] loop5: detected capacity change from 0 to 6 [ 429.271377][T25583] FAT-fs (loop4): bogus number of reserved sectors [ 429.277899][T25583] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 429.287036][T25583] FAT-fs (loop4): Can't find a valid FAT filesystem 03:37:45 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xffffff97}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 429.316275][T25574] loop3: detected capacity change from 0 to 131072 [ 429.340976][T25574] FAT-fs (loop3): bogus number of reserved sectors [ 429.347509][T25574] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 429.356670][T25574] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:46 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000, 0xa, 0x1}, 0x0) syz_io_uring_setup(0x289, &(0x7f0000000100)={0x0, 0xbb3b, 0x1}, &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280)=0x0, &(0x7f0000000040)=0x0) r5 = open(&(0x7f0000000400)='./bus\x00', 0x1145042, 0x0) syz_io_uring_submit(r3, r4, &(0x7f00000001c0)=@IORING_OP_WRITE={0x17, 0x0, 0x0, @fd=r5, 0x0, &(0x7f00000002c0)='x', 0x1}, 0x0) r6 = mmap$IORING_OFF_SQES(&(0x7f0000ff8000/0x3000)=nil, 0x3000, 0x100000b, 0x4000010, 0xffffffffffffffff, 0x10000000) syz_io_uring_submit(r3, r6, &(0x7f00000000c0)=@IORING_OP_SYNC_FILE_RANGE={0x8, 0x3, 0x0, @fd_index=0x1, 0x2, 0x0, 0x1000, 0x4}, 0x6) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r7, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x0) 03:37:46 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x8cffffff00000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 429.366575][T25603] loop5: detected capacity change from 0 to 6 [ 429.384978][T25603] FAT-fs (loop5): bogus number of reserved sectors [ 429.391527][T25603] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 429.400759][T25603] FAT-fs (loop5): Can't find a valid FAT filesystem 03:37:46 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x2040000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:46 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25}, {0x0, 0x68, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:46 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) pipe(&(0x7f0000000180)={0xffffffffffffffff}) syz_io_uring_setup(0x289, &(0x7f0000000100)={0x0, 0xbb3b, 0x1}, &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280)=0x0, &(0x7f0000000040)=0x0) r6 = open(&(0x7f0000000400)='./bus\x00', 0x1145042, 0x0) syz_io_uring_submit(r4, r5, &(0x7f00000001c0)=@IORING_OP_WRITE={0x17, 0x0, 0x0, @fd=r6, 0x0, &(0x7f00000002c0)='x', 0x1}, 0x0) syz_io_uring_setup(0x1e31, &(0x7f00000003c0)={0x0, 0x642e, 0x8, 0x1, 0x25f, 0x0, r0}, &(0x7f0000ff3000/0x1000)=nil, &(0x7f0000fef000/0x3000)=nil, &(0x7f0000000300), &(0x7f0000000440)=0x0) syz_io_uring_submit(r4, r7, &(0x7f00000004c0)=@IORING_OP_READ=@pass_buffer={0x16, 0x5, 0x2004, @fd_index=0x7, 0x4, &(0x7f0000000480)=""/38, 0x26, 0xd, 0x1}, 0x7) syz_io_uring_setup(0x49d9, &(0x7f00000001c0)={0x0, 0xaa82, 0x10, 0x1, 0x30c, 0x0, r3}, &(0x7f0000ffc000/0x2000)=nil, &(0x7f0000ff2000/0x2000)=nil, &(0x7f0000000240), &(0x7f00000002c0)) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r8, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) r9 = open(&(0x7f0000000200)='./bus\x00', 0x141042, 0x0) sendfile(r9, r9, &(0x7f0000000100)=0x9, 0x8080ffffff80) syz_io_uring_setup(0x32db, &(0x7f0000000580)={0x0, 0x820e, 0x8, 0x0, 0xb3, 0x0, r9}, &(0x7f0000ffb000/0x4000)=nil, &(0x7f0000ee7000/0x3000)=nil, &(0x7f0000000500), &(0x7f0000000600)) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) set_mempolicy(0x3, &(0x7f00000000c0)=0x77fa564c, 0x8) mmap(&(0x7f0000ff9000/0x2000)=nil, 0x2000, 0x2000000, 0x33111, r0, 0xe2674000) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x0) [ 429.427848][T25613] loop4: detected capacity change from 0 to 264192 [ 429.453758][T25626] loop0: detected capacity change from 0 to 6 [ 429.453927][T25624] loop1: detected capacity change from 0 to 6 [ 429.473347][T25626] FAT-fs (loop0): bogus number of reserved sectors [ 429.479884][T25626] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; DOS 2.x BPB is non-zero [ 429.489232][T25626] FAT-fs (loop0): Can't find a valid FAT filesystem [ 429.497831][T25613] FAT-fs (loop4): bogus number of reserved sectors [ 429.504384][T25613] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 429.506172][T25628] loop3: detected capacity change from 0 to 132096 [ 429.513502][T25613] FAT-fs (loop4): Can't find a valid FAT filesystem 03:37:46 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x97ffffff00000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:46 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) r3 = syz_io_uring_setup(0x6376, &(0x7f0000000100)={0x0, 0xe9d0}, &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r4, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) socketpair(0x1, 0x3, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) sendmmsg(r5, &(0x7f0000000300)=[{{0x0, 0x0, 0x0}}, {{0x0, 0x0, &(0x7f00000000c0)=[{0x0}, {0xfffffffffffffffe}], 0x2}}], 0x2, 0x0) socketpair(0x1, 0x3, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) sendmmsg(r6, &(0x7f0000000300)=[{{0x0, 0x0, 0x0}}, {{0x0, 0x0, &(0x7f00000000c0)=[{0x0}, {0xfffffffffffffffe}], 0x2}}], 0x2, 0x0) r7 = signalfd(r3, &(0x7f00000000c0)={[0x80]}, 0x8) r8 = socket$nl_audit(0x10, 0x3, 0x9) socketpair(0x1, 0x3, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) sendmmsg(r9, &(0x7f0000000300)=[{{0x0, 0x0, 0x0}}, {{0x0, 0x0, &(0x7f00000000c0)=[{0x0}, {0xfffffffffffffffe}], 0x2}}], 0x2, 0x0) r10 = epoll_create(0xffff) socketpair(0x1, 0x3, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) sendmmsg(r11, &(0x7f0000000300)=[{{0x0, 0x0, 0x0}}, {{0x0, 0x0, &(0x7f00000000c0)=[{0x0}, {0xfffffffffffffffe}], 0x2}}], 0x2, 0x0) set_mempolicy(0x0, &(0x7f0000000200)=0xff, 0xffffffffffffff80) syz_io_uring_submit(r1, r2, &(0x7f00000001c0)=@IORING_OP_FILES_UPDATE={0x14, 0x2, 0x0, 0x0, 0x100000001, &(0x7f0000000180)=[r3, r5, r6, r3, r7, r8, r9, r10, r0, r11], 0xa, 0x0, 0x1}, 0x101) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x0) 03:37:46 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x3000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:46 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x25000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 429.544614][T25603] loop5: detected capacity change from 0 to 6 [ 429.555011][T25628] FAT-fs (loop3): bogus number of reserved sectors [ 429.561549][T25628] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 429.570659][T25628] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:46 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xffffffda}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 429.626496][T25657] loop1: detected capacity change from 0 to 6 [ 429.672899][T25669] loop3: detected capacity change from 0 to 196608 [ 429.681309][T25671] loop4: detected capacity change from 0 to 264192 [ 429.699625][T25669] FAT-fs (loop3): bogus number of reserved sectors [ 429.706147][T25669] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 429.715292][T25669] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:46 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25}, {0x0, 0x6c, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:46 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x9b03000000000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 429.723504][T25671] FAT-fs (loop4): bogus number of reserved sectors [ 429.730032][T25671] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 429.739162][T25671] FAT-fs (loop4): Can't find a valid FAT filesystem [ 429.763605][T25680] loop5: detected capacity change from 0 to 6 [ 429.779132][T25669] loop3: detected capacity change from 0 to 196608 [ 429.784864][T25680] FAT-fs (loop5): bogus number of reserved sectors [ 429.792377][T25680] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 429.801488][T25680] FAT-fs (loop5): Can't find a valid FAT filesystem 03:37:46 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000300)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) r3 = syz_io_uring_setup(0x6376, &(0x7f0000000100)={0x0, 0x0, 0x0, 0x40000000}, &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280)=0x0, &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r5, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) r6 = open(&(0x7f0000000400)='./bus\x00', 0x1145042, 0x0) syz_io_uring_submit(0x0, 0x0, &(0x7f00000001c0)=@IORING_OP_WRITE={0x17, 0x0, 0x0, @fd=r6, 0x0, &(0x7f00000002c0)='x', 0x1}, 0x0) syz_io_uring_setup(0x289, &(0x7f0000000100)={0x0, 0xbb3b, 0x1}, &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280)=0x0, &(0x7f0000000040)=0x0) r9 = open(&(0x7f0000000400)='./bus\x00', 0x1145042, 0x0) syz_io_uring_submit(r7, r8, &(0x7f00000001c0)=@IORING_OP_WRITE={0x17, 0x0, 0x0, @fd=r9, 0x0, &(0x7f00000002c0)='x', 0x1}, 0x0) r10 = perf_event_open(&(0x7f0000000100)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x20000000, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r11 = syz_io_uring_setup(0x15a3, &(0x7f0000000080), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ffc000/0x1000)=nil, &(0x7f0000000000)=0x0, &(0x7f0000000040)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r12, 0x40, &(0x7f0000000140)=0x307e, 0x0, 0x4) r14 = io_uring_register$IORING_REGISTER_PERSONALITY(r11, 0x9, 0x0, 0x0) syz_io_uring_submit(r12, r13, &(0x7f0000000500)=@IORING_OP_CLOSE={0x13, 0x4, 0x0, r10, 0x0, 0x0, 0x0, 0x0, 0x0, {0x0, r14}}, 0x0) syz_io_uring_submit(0x0, r8, &(0x7f0000001600)=@IORING_OP_SPLICE={0x1e, 0x0, 0x0, @fd=r0, 0x7, {0x0, r3}, 0x2, 0x3, 0x1, {0x0, r14, r3}}, 0x4) syz_io_uring_setup(0x26ce, &(0x7f0000000180)={0x0, 0x93d8, 0x1, 0x0, 0x1df}, &(0x7f0000771000/0x4000)=nil, &(0x7f0000ff8000/0x1000)=nil, &(0x7f00000000c0), &(0x7f0000000200)=0x0) syz_io_uring_submit(r4, r15, &(0x7f00000015c0)=@IORING_OP_FILES_UPDATE={0x14, 0x4, 0x0, 0x0, 0x1, &(0x7f0000000240)=[0xffffffffffffffff], 0x1, 0x0, 0x1, {0x0, r14}}, 0x4b0) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x0) 03:37:46 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xfffffff6}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 429.824815][T25689] loop0: detected capacity change from 0 to 6 [ 429.835626][T25669] FAT-fs (loop3): bogus number of reserved sectors [ 429.842189][T25669] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 429.851350][T25669] FAT-fs (loop3): Can't find a valid FAT filesystem [ 429.857806][T25690] loop1: detected capacity change from 0 to 6 [ 429.864045][T25689] FAT-fs (loop0): bogus number of reserved sectors [ 429.870619][T25689] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; DOS 2.x BPB is non-zero 03:37:46 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x3030000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 429.879926][T25689] FAT-fs (loop0): Can't find a valid FAT filesystem [ 429.907582][T25699] loop4: detected capacity change from 0 to 264192 [ 429.919968][T25697] loop3: detected capacity change from 0 to 197376 [ 429.936756][T25697] FAT-fs (loop3): bogus number of reserved sectors [ 429.943294][T25697] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 429.952413][T25697] FAT-fs (loop3): Can't find a valid FAT filesystem [ 429.968053][T25699] FAT-fs (loop4): bogus number of reserved sectors [ 429.974651][T25699] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code 03:37:46 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x9c03000000000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:46 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x3f000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:46 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) r3 = syz_io_uring_setup(0x6376, &(0x7f0000000100)={0x0, 0x0, 0x0, 0x3}, &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r4, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) syz_io_uring_setup(0x289, &(0x7f0000000100)={0x0, 0xbb3b, 0x1}, &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280)=0x0, &(0x7f0000000040)=0x0) r7 = open(&(0x7f0000000400)='./bus\x00', 0x1145042, 0x0) syz_io_uring_submit(r5, r6, &(0x7f00000001c0)=@IORING_OP_WRITE={0x17, 0x0, 0x0, @fd=r7, 0x0, &(0x7f00000002c0)='x', 0x1}, 0x0) syz_io_uring_setup(0x73f7, &(0x7f0000000180)={0x0, 0xe66c, 0x10, 0x0, 0x239, 0x0, r3}, &(0x7f0000ffa000/0x1000)=nil, &(0x7f0000ee8000/0x2000)=nil, &(0x7f00000000c0), &(0x7f0000000200)=0x0) syz_io_uring_submit(r5, r8, &(0x7f0000000240)=@IORING_OP_POLL_REMOVE={0x7, 0x0, 0x0, 0x0, 0x0, 0x12345}, 0x58) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x0) [ 429.983768][T25699] FAT-fs (loop4): Can't find a valid FAT filesystem [ 430.020883][T25723] loop5: detected capacity change from 0 to 6 [ 430.028969][T25697] loop3: detected capacity change from 0 to 197376 [ 430.029882][T25723] FAT-fs (loop5): bogus number of reserved sectors [ 430.042005][T25723] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 430.051243][T25723] FAT-fs (loop5): Can't find a valid FAT filesystem 03:37:46 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25}, {0x0, 0x74, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:46 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x40000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 430.072386][T25728] loop1: detected capacity change from 0 to 6 [ 430.082926][T25697] FAT-fs (loop3): bogus number of reserved sectors [ 430.089460][T25697] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 430.098623][T25697] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:46 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xfffffffd}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:46 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x9d03000000000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 430.140935][T25746] loop5: detected capacity change from 0 to 6 [ 430.160262][T25747] loop0: detected capacity change from 0 to 6 [ 430.173324][T25746] FAT-fs (loop5): bogus number of reserved sectors [ 430.179871][T25746] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code 03:37:46 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x4000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:46 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x9d26000000000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 430.189057][T25746] FAT-fs (loop5): Can't find a valid FAT filesystem [ 430.202526][T25754] loop1: detected capacity change from 0 to 6 [ 430.212450][T25747] FAT-fs (loop0): bogus number of reserved sectors [ 430.214435][T25755] loop4: detected capacity change from 0 to 264192 [ 430.218982][T25747] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; DOS 2.x BPB is non-zero [ 430.234761][T25747] FAT-fs (loop0): Can't find a valid FAT filesystem [ 430.284565][T25755] FAT-fs (loop4): bogus number of reserved sectors [ 430.291159][T25755] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 430.300275][T25755] FAT-fs (loop4): Can't find a valid FAT filesystem [ 430.308079][T25764] loop3: detected capacity change from 0 to 262144 03:37:46 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x40000800, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 430.329318][T25771] loop1: detected capacity change from 0 to 6 [ 430.331665][T25764] FAT-fs (loop3): bogus number of reserved sectors [ 430.341923][T25764] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 430.351050][T25764] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:47 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25}, {0x0, 0x7a, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 430.388936][T25784] loop5: detected capacity change from 0 to 6 [ 430.405153][T25784] FAT-fs (loop5): bogus number of reserved sectors [ 430.411788][T25784] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 430.420928][T25784] FAT-fs (loop5): Can't find a valid FAT filesystem 03:37:47 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x9e03000000000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 430.435991][T25764] loop3: detected capacity change from 0 to 262144 [ 430.446617][T25796] loop0: detected capacity change from 0 to 6 [ 430.464737][T25764] FAT-fs (loop3): bogus number of reserved sectors [ 430.471282][T25764] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 430.473844][T25800] loop1: detected capacity change from 0 to 6 03:37:47 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xfffffffe}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:47 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x4280000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 430.480411][T25764] FAT-fs (loop3): Can't find a valid FAT filesystem [ 430.489082][T25796] FAT-fs (loop0): bogus number of reserved sectors [ 430.499631][T25796] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; DOS 2.x BPB is non-zero [ 430.508909][T25796] FAT-fs (loop0): Can't find a valid FAT filesystem 03:37:47 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x44010000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:47 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x9f03000000000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 430.570503][T25815] loop4: detected capacity change from 0 to 264192 [ 430.583300][T25823] loop3: detected capacity change from 0 to 264192 [ 430.595604][T25815] FAT-fs (loop4): bogus number of reserved sectors [ 430.602156][T25815] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 430.611271][T25815] FAT-fs (loop4): Can't find a valid FAT filesystem [ 430.631226][T25827] loop5: detected capacity change from 0 to 6 [ 430.637557][T25823] FAT-fs (loop3): bogus number of reserved sectors [ 430.644086][T25823] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 430.653222][T25823] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:47 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25}, {0x0, 0x98, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:47 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x1000000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 430.677795][T25834] loop1: detected capacity change from 0 to 6 03:37:47 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x5000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 430.714787][T25827] FAT-fs (loop5): bogus number of reserved sectors [ 430.721433][T25827] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 430.730554][T25827] FAT-fs (loop5): Can't find a valid FAT filesystem [ 430.733420][T25838] loop0: detected capacity change from 0 to 6 [ 430.766209][T25838] FAT-fs (loop0): bogus number of reserved sectors [ 430.772750][T25838] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; DOS 2.x BPB is non-zero [ 430.782108][T25838] FAT-fs (loop0): Can't find a valid FAT filesystem [ 430.794040][T25848] loop4: detected capacity change from 0 to 16384 03:37:47 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x8000000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 430.812997][T25851] loop3: detected capacity change from 0 to 264192 [ 430.822246][T25848] FAT-fs (loop4): bogus number of reserved sectors [ 430.828772][T25848] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 430.837962][T25848] FAT-fs (loop4): Can't find a valid FAT filesystem [ 430.840701][T25851] FAT-fs (loop3): bogus number of reserved sectors [ 430.851063][T25851] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 430.860248][T25851] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:47 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0xa003000000000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 430.907540][T25866] loop4: detected capacity change from 0 to 131072 [ 430.936846][T25875] loop1: detected capacity change from 0 to 6 [ 430.945595][T25866] FAT-fs (loop4): bogus number of reserved sectors 03:37:47 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x45010000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:47 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25}, {0x0, 0x99, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 430.952135][T25866] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 430.961264][T25866] FAT-fs (loop4): Can't find a valid FAT filesystem [ 430.992172][T25883] loop5: detected capacity change from 0 to 6 [ 431.003035][T25883] FAT-fs (loop5): bogus number of reserved sectors [ 431.009564][T25883] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 431.018743][T25883] FAT-fs (loop5): Can't find a valid FAT filesystem [ 431.039089][T25851] loop3: detected capacity change from 0 to 264192 03:37:47 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0xa103000000000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:47 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x80000000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:47 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x48000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 431.058497][T25886] loop0: detected capacity change from 0 to 6 [ 431.065193][T25851] FAT-fs (loop3): bogus number of reserved sectors [ 431.071758][T25851] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 431.080925][T25851] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:47 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x6000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 431.121649][T25886] FAT-fs (loop0): bogus number of reserved sectors [ 431.128168][T25886] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; DOS 2.x BPB is non-zero [ 431.137491][T25886] FAT-fs (loop0): Can't find a valid FAT filesystem [ 431.155274][T25907] loop1: detected capacity change from 0 to 6 [ 431.169659][T25911] loop4: detected capacity change from 0 to 264192 [ 431.186951][T25912] loop5: detected capacity change from 0 to 6 [ 431.193210][T25911] FAT-fs (loop4): bogus number of reserved sectors [ 431.199728][T25911] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 431.208861][T25911] FAT-fs (loop4): Can't find a valid FAT filesystem [ 431.215629][T25912] FAT-fs (loop5): bogus number of reserved sectors [ 431.222168][T25912] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 431.231298][T25912] FAT-fs (loop5): Can't find a valid FAT filesystem 03:37:47 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0xa203000000000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:47 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xedc000000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:47 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25}, {0x0, 0xfe, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 431.317481][T25931] loop3: detected capacity change from 0 to 264192 [ 431.357445][T25931] FAT-fs (loop3): bogus number of reserved sectors 03:37:48 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x4b010000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 431.364007][T25931] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 431.371356][T25942] loop4: detected capacity change from 0 to 264192 [ 431.373143][T25931] FAT-fs (loop3): Can't find a valid FAT filesystem [ 431.387761][T25940] loop1: detected capacity change from 0 to 6 [ 431.407714][T25948] loop0: detected capacity change from 0 to 6 [ 431.431201][T25942] FAT-fs (loop4): bogus number of reserved sectors [ 431.437726][T25942] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 431.446860][T25942] FAT-fs (loop4): Can't find a valid FAT filesystem [ 431.457326][T25948] FAT-fs (loop0): bogus number of reserved sectors [ 431.463860][T25948] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; DOS 2.x BPB is non-zero [ 431.463971][T25953] loop5: detected capacity change from 0 to 6 03:37:48 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0xa303000000000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 431.473170][T25948] FAT-fs (loop0): Can't find a valid FAT filesystem [ 431.528167][T25953] FAT-fs (loop5): bogus number of reserved sectors [ 431.534723][T25953] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 431.540886][T25964] loop1: detected capacity change from 0 to 6 [ 431.543879][T25953] FAT-fs (loop5): Can't find a valid FAT filesystem [ 431.563930][T25931] loop3: detected capacity change from 0 to 264192 [ 431.582507][T25931] FAT-fs (loop3): bogus number of reserved sectors [ 431.589108][T25931] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 431.598280][T25931] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:48 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0xa403000000000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:48 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x1000000000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:48 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25}, {0x0, 0x10e, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:48 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x4c000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:48 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x6040000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 431.692837][T25989] loop1: detected capacity change from 0 to 6 [ 431.717849][T25994] loop0: detected capacity change from 0 to 6 03:37:48 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0xa503000000000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 431.755125][T25994] FAT-fs (loop0): bogus number of reserved sectors [ 431.761690][T25994] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; DOS 2.x BPB is non-zero [ 431.770996][T25994] FAT-fs (loop0): Can't find a valid FAT filesystem [ 431.789758][T26004] loop5: detected capacity change from 0 to 6 [ 431.796432][T25999] loop4: detected capacity change from 0 to 4096 [ 431.808556][T26004] FAT-fs (loop5): bogus number of reserved sectors [ 431.815114][T26004] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 431.820397][T26003] loop3: detected capacity change from 0 to 264192 [ 431.824256][T26004] FAT-fs (loop5): Can't find a valid FAT filesystem [ 431.841617][T25999] FAT-fs (loop4): bogus number of reserved sectors [ 431.848152][T25999] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 431.850409][T26013] loop1: detected capacity change from 0 to 6 [ 431.857309][T25999] FAT-fs (loop4): Can't find a valid FAT filesystem [ 431.891868][T26003] FAT-fs (loop3): bogus number of reserved sectors [ 431.898434][T26003] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 431.907534][T26003] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:48 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x7ffffffffffff}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:48 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x60000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:48 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25}, {0x0, 0x204, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 432.004112][T26003] loop3: detected capacity change from 0 to 264192 [ 432.035042][T26003] FAT-fs (loop3): bogus number of reserved sectors [ 432.041633][T26003] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code 03:37:48 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0xa603000000000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 432.050760][T26003] FAT-fs (loop3): Can't find a valid FAT filesystem [ 432.066267][T26040] loop4: detected capacity change from 0 to 32767 [ 432.077030][T26044] loop5: detected capacity change from 0 to 6 [ 432.096457][T26040] FAT-fs (loop4): bogus number of reserved sectors [ 432.103013][T26040] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 432.112142][T26040] FAT-fs (loop4): Can't find a valid FAT filesystem [ 432.119450][T26043] loop0: detected capacity change from 0 to 6 [ 432.125679][T26044] FAT-fs (loop5): bogus number of reserved sectors [ 432.132221][T26044] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 432.141343][T26044] FAT-fs (loop5): Can't find a valid FAT filesystem 03:37:48 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x7000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:48 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x100000000000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:48 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x68000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:48 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0xb402000000000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 432.152083][T26052] loop1: detected capacity change from 0 to 6 [ 432.162524][T26043] FAT-fs (loop0): bogus number of reserved sectors [ 432.169059][T26043] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; DOS 2.x BPB is non-zero [ 432.178361][T26043] FAT-fs (loop0): Can't find a valid FAT filesystem [ 432.256365][T26070] loop4: detected capacity change from 0 to 264192 [ 432.271523][T26076] loop5: detected capacity change from 0 to 6 [ 432.273139][T26078] loop1: detected capacity change from 0 to 6 [ 432.284333][T26079] loop3: detected capacity change from 0 to 264192 [ 432.291797][T26070] FAT-fs (loop4): bogus number of reserved sectors [ 432.298343][T26070] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 432.307441][T26070] FAT-fs (loop4): Can't find a valid FAT filesystem [ 432.320485][T26076] FAT-fs (loop5): bogus number of reserved sectors [ 432.327017][T26076] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 432.336132][T26076] FAT-fs (loop5): Can't find a valid FAT filesystem [ 432.341897][T26079] FAT-fs (loop3): bogus number of reserved sectors 03:37:48 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25}, {0x0, 0x300, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 432.349219][T26079] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 432.358358][T26079] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:49 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x10e000000000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:49 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0xb626000000000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 432.402972][T26092] loop0: detected capacity change from 0 to 6 [ 432.412435][T26092] FAT-fs (loop0): bogus number of reserved sectors [ 432.418981][T26092] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; DOS 2.x BPB is non-zero [ 432.428263][T26092] FAT-fs (loop0): Can't find a valid FAT filesystem 03:37:49 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x6c000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 432.474402][T26079] loop3: detected capacity change from 0 to 264192 [ 432.480348][T26114] loop4: detected capacity change from 0 to 49152 [ 432.502690][T26119] loop1: detected capacity change from 0 to 6 [ 432.516619][T26079] FAT-fs (loop3): bogus number of reserved sectors [ 432.523164][T26079] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 432.532280][T26079] FAT-fs (loop3): Can't find a valid FAT filesystem [ 432.545187][T26122] loop5: detected capacity change from 0 to 6 [ 432.559305][T26114] FAT-fs (loop4): bogus number of reserved sectors [ 432.565847][T26114] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code 03:37:49 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25}, {0x0, 0x366, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:49 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0xba02000000000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:49 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x8000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 432.574980][T26114] FAT-fs (loop4): Can't find a valid FAT filesystem [ 432.600687][T26122] FAT-fs (loop5): bogus number of reserved sectors [ 432.607313][T26122] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 432.616445][T26122] FAT-fs (loop5): Can't find a valid FAT filesystem [ 432.657647][T26139] loop0: detected capacity change from 0 to 6 [ 432.664844][T26138] loop1: detected capacity change from 0 to 6 [ 432.670210][T26140] loop3: detected capacity change from 0 to 264192 [ 432.679417][T26139] FAT-fs (loop0): bogus number of reserved sectors [ 432.685951][T26139] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; DOS 2.x BPB is non-zero [ 432.695361][T26139] FAT-fs (loop0): Can't find a valid FAT filesystem 03:37:49 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x200000000000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:49 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x74000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 432.712767][T26140] FAT-fs (loop3): bogus number of reserved sectors [ 432.719324][T26140] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 432.728445][T26140] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:49 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0xbb02000000000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:49 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25}, {0x0, 0x367, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 432.790535][T26167] loop5: detected capacity change from 0 to 6 [ 432.799401][T26169] loop4: detected capacity change from 0 to 264192 [ 432.817310][T26140] loop3: detected capacity change from 0 to 264192 [ 432.838516][T26169] FAT-fs (loop4): bogus number of reserved sectors [ 432.845037][T26169] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 432.854174][T26169] FAT-fs (loop4): Can't find a valid FAT filesystem [ 432.857843][T26178] loop0: detected capacity change from 0 to 6 [ 432.863872][T26177] loop1: detected capacity change from 0 to 6 [ 432.868714][T26167] FAT-fs (loop5): bogus number of reserved sectors [ 432.879368][T26167] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 432.887747][T26140] FAT-fs (loop3): bogus number of reserved sectors [ 432.888571][T26167] FAT-fs (loop5): Can't find a valid FAT filesystem [ 432.901678][T26140] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 432.910843][T26140] FAT-fs (loop3): Can't find a valid FAT filesystem [ 432.923052][T26178] FAT-fs (loop0): bogus number of reserved sectors [ 432.929598][T26178] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; DOS 2.x BPB is non-zero 03:37:49 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x9000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 432.938934][T26178] FAT-fs (loop0): Can't find a valid FAT filesystem 03:37:49 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x7a000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:49 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xa000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 433.007404][T26196] loop5: detected capacity change from 0 to 6 [ 433.038198][T26196] FAT-fs (loop5): bogus number of reserved sectors [ 433.044905][T26196] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code 03:37:49 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0xd8064a9f00000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 433.054047][T26196] FAT-fs (loop5): Can't find a valid FAT filesystem 03:37:49 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x204000000000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 433.084007][T26209] loop3: detected capacity change from 0 to 126976 [ 433.106899][T26211] loop1: detected capacity change from 0 to 6 [ 433.117302][T26209] FAT-fs (loop3): bogus number of reserved sectors [ 433.123840][T26209] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code 03:37:49 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25}, {0x0, 0x38e, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 433.132954][T26209] FAT-fs (loop3): Can't find a valid FAT filesystem [ 433.148948][T26215] loop4: detected capacity change from 0 to 6 [ 433.171759][T26215] FAT-fs (loop4): bogus number of reserved sectors 03:37:49 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0xdaffffff00000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 433.178344][T26215] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; DOS 2.x BPB is non-zero [ 433.187615][T26215] FAT-fs (loop4): Can't find a valid FAT filesystem [ 433.195762][T26225] loop0: detected capacity change from 0 to 6 [ 433.205310][T26225] FAT-fs (loop0): bogus number of reserved sectors [ 433.211832][T26225] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; DOS 2.x BPB is non-zero [ 433.221128][T26225] FAT-fs (loop0): Can't find a valid FAT filesystem 03:37:49 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x82030000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:49 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25}, {0x0, 0x3bc, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 433.261448][T26209] loop3: detected capacity change from 0 to 126976 [ 433.270432][T26242] loop1: detected capacity change from 0 to 6 [ 433.286222][T26209] FAT-fs (loop3): bogus number of reserved sectors [ 433.292763][T26209] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 433.301887][T26209] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:49 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x300000000000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:49 executing program 2: r0 = syz_genetlink_get_family_id$nl802154(&(0x7f0000000500), 0xffffffffffffffff) sendmsg$NL802154_CMD_SET_MAX_CSMA_BACKOFFS(0xffffffffffffffff, &(0x7f0000000600)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f00000005c0)={&(0x7f00000006c0)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r0, @ANYBLOB="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"], 0x28}, 0x1, 0x0, 0x0, 0x1}, 0x0) r1 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) r4 = fcntl$dupfd(r1, 0x406, r1) syz_io_uring_setup(0x1b9d, &(0x7f00000003c0)={0x0, 0x5244, 0x8, 0x0, 0x33b, 0x0, r4}, &(0x7f0000ff7000/0x4000)=nil, &(0x7f0000ff5000/0x3000)=nil, &(0x7f0000000440), &(0x7f0000000480)) syz_memcpy_off$IO_URING_METADATA_GENERIC(r2, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r2, r3, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) ioctl$F2FS_IOC_MOVE_RANGE(r1, 0xc020f509, &(0x7f00000000c0)={r1, 0x4, 0x9}) syz_io_uring_setup(0x518d, &(0x7f0000000180)={0x0, 0x9f4f, 0x4, 0x1, 0x3ce, 0x0, r5}, &(0x7f0000ffa000/0x4000)=nil, &(0x7f0000fff000/0x1000)=nil, &(0x7f0000000200), &(0x7f0000000240)) syz_io_uring_setup(0x6379, &(0x7f00000002c0), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffb000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r2, r6, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r1, 0x45f5, 0x0, 0x0, 0x0, 0x0) 03:37:49 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0xf6ffffff00000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 433.329517][T26254] loop5: detected capacity change from 0 to 6 [ 433.330466][T26256] loop0: detected capacity change from 0 to 6 03:37:50 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xb000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:50 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x84030000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 433.389156][T26256] FAT-fs (loop0): bogus number of reserved sectors [ 433.390012][T26269] loop1: detected capacity change from 0 to 6 [ 433.395674][T26256] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; DOS 2.x BPB is non-zero [ 433.395688][T26256] FAT-fs (loop0): Can't find a valid FAT filesystem [ 433.409159][T26270] loop4: detected capacity change from 0 to 264192 [ 433.426804][T26270] FAT-fs (loop4): bogus number of reserved sectors 03:37:50 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0xf9fdffff00000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 433.433364][T26270] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 433.442583][T26270] FAT-fs (loop4): Can't find a valid FAT filesystem [ 433.446137][T26282] loop5: detected capacity change from 0 to 6 03:37:50 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x400000000000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 433.487949][T26296] loop3: detected capacity change from 0 to 192512 [ 433.526740][T26305] loop1: detected capacity change from 0 to 6 03:37:50 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25}, {0x0, 0x3cc, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:50 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x85ffffff, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 433.536304][T26296] FAT-fs (loop3): bogus number of reserved sectors [ 433.542854][T26296] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 433.551969][T26296] FAT-fs (loop3): Can't find a valid FAT filesystem [ 433.569860][T26310] loop4: detected capacity change from 0 to 264192 [ 433.594200][T26314] loop5: detected capacity change from 0 to 6 [ 433.607623][T26315] loop0: detected capacity change from 0 to 6 [ 433.609823][T26310] FAT-fs (loop4): bogus number of reserved sectors [ 433.618192][T26315] FAT-fs (loop0): bogus number of reserved sectors [ 433.620222][T26310] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code 03:37:50 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0xfdfdffff00000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 433.626689][T26315] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; DOS 2.x BPB is non-zero [ 433.626709][T26315] FAT-fs (loop0): Can't find a valid FAT filesystem [ 433.651905][T26310] FAT-fs (loop4): Can't find a valid FAT filesystem 03:37:50 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x87030000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 433.704937][T26296] loop3: detected capacity change from 0 to 192512 [ 433.723902][T26329] loop1: detected capacity change from 0 to 6 [ 433.739556][T26296] FAT-fs (loop3): bogus number of reserved sectors [ 433.746080][T26296] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code 03:37:50 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x428000000000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:50 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0xfdffffff00000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 433.755260][T26296] FAT-fs (loop3): Can't find a valid FAT filesystem [ 433.769698][T26340] loop5: detected capacity change from 0 to 6 [ 433.811573][T26350] loop4: detected capacity change from 0 to 131072 03:37:50 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x8cffffff, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:50 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25}, {0x0, 0x402, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 433.861878][T26350] FAT-fs (loop4): bogus number of reserved sectors [ 433.868425][T26350] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 433.877548][T26350] FAT-fs (loop4): Can't find a valid FAT filesystem [ 433.889176][T26358] loop1: detected capacity change from 0 to 6 [ 433.924435][T26363] loop5: detected capacity change from 0 to 6 [ 433.939343][T26364] loop0: detected capacity change from 0 to 6 03:37:50 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xc000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:50 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) preadv(r0, &(0x7f00000002c0)=[{&(0x7f0000000580)=""/4096, 0x1000}, {&(0x7f00000003c0)=""/148, 0x94}], 0x2, 0x5, 0x1) syz_io_uring_setup(0x898, &(0x7f0000000180)={0x0, 0xa2eb, 0x20, 0x3, 0x192}, &(0x7f0000ffc000/0x3000)=nil, &(0x7f0000ff2000/0x1000)=nil, &(0x7f00000000c0), &(0x7f0000000200)) syz_io_uring_submit(0x0, 0x0, &(0x7f0000000240)=@IORING_OP_POLL_ADD={0x6, 0x1, 0x0, @fd, 0x0, 0x0, 0x0, {0x3600}}, 0x7) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) syz_io_uring_setup(0x289, &(0x7f0000000100)={0x0, 0xbb3b, 0x1}, &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280)=0x0, &(0x7f0000000040)=0x0) r6 = open(&(0x7f0000000400)='./bus\x00', 0x1145042, 0x0) syz_io_uring_submit(r4, r5, &(0x7f00000001c0)=@IORING_OP_WRITE={0x17, 0x0, 0x0, @fd=r6, 0x0, &(0x7f00000002c0)='x', 0x1}, 0x0) r7 = syz_mount_image$nfs(&(0x7f0000000300), &(0x7f0000000480)='./file0\x00', 0x9, 0x3, &(0x7f00000016c0)=[{&(0x7f00000004c0)="675d6a934c33f408f4c5e84e72eda963f393e459939f695c73bee6f8d6e0f96ce804ce767bcd1557644cd5168d113173dde993cbfabf369d8569a0aab18b1d09d292b47fca05c1f1f860ae74c7e637ffd47ed08c9ef4be74cb0e0d8099fb1d180330177256177a1d7c00c7d91b", 0x6d, 0x3}, {&(0x7f0000001580)="f3df0134d759dd98c1d64985fc34d4e2a05f3c477c7f5c74", 0x18}, {&(0x7f00000015c0)="afa1d6b195d0b0700e0b9deee77358fb8ca8e2a7596717d02f3fbd2bb2a1315cb88eef365e5b25ad6a1d71bf9419b9916f6abe6b0bca843402733649aafb3552c5ee10c71a19415256db43563c943ca62d21474d1f38cc59d164c3d12a7759dd03c03a4736d9833479e9fbb99adabfdd2dde1658a18923c39be9849011d507c8b0e46fce4f4afdb63586f49c7ff44c8ce3907113031bca54f9be6161fe63ddb4ae243e7e5a7428e78923d09a93e062db98b9209f2c50ad8ac80312953add2c54f7af7ee2d89bd0b2453e55016d6d", 0xce, 0x1}], 0x48070, &(0x7f0000001900)=ANY=[@ANYBLOB='\x00,euid<', @ANYRESDEC=0xee00, @ANYBLOB="2c6f626a5f726f6c653d012c7375626a5f726f6c653d002c61707072616973655f747970653d696d617369672c736d61636b6673666c6f6f723d217b2d7d547d2c66756e633d504f4c4942595f434845434b2c736d61636b66736465663d002c008195b3a1b3634fe00f1b6128"]) r8 = perf_event_open(&(0x7f0000000100)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x20000000, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r9 = syz_io_uring_setup(0x15a3, &(0x7f0000000080), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ffc000/0x1000)=nil, &(0x7f0000000000)=0x0, &(0x7f0000000040)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r10, 0x40, &(0x7f0000000140)=0x307e, 0x0, 0x4) r12 = io_uring_register$IORING_REGISTER_PERSONALITY(r9, 0x9, 0x0, 0x0) syz_io_uring_submit(r10, r11, &(0x7f0000000500)=@IORING_OP_CLOSE={0x13, 0x4, 0x0, r8, 0x0, 0x0, 0x0, 0x0, 0x0, {0x0, r12}}, 0x0) syz_io_uring_submit(0x0, r5, &(0x7f0000001800)=@IORING_OP_OPENAT={0x12, 0x5, 0x0, r7, 0x0, &(0x7f00000017c0)='./file0\x00', 0x10, 0x104000, 0x12345, {0x0, r12}}, 0x4) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x0) 03:37:50 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x90ffffff, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:50 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x500000000000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:50 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0xfeffffff00000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 433.978840][T26364] FAT-fs (loop0): bogus number of reserved sectors [ 433.985459][T26364] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; DOS 2.x BPB is non-zero [ 433.994846][T26364] FAT-fs (loop0): Can't find a valid FAT filesystem [ 434.052093][T26381] loop1: detected capacity change from 0 to 6 [ 434.057864][T26385] loop5: detected capacity change from 0 to 6 [ 434.068778][T26386] loop4: detected capacity change from 0 to 264192 [ 434.072783][T26387] loop3: detected capacity change from 0 to 258048 [ 434.091151][T26386] FAT-fs (loop4): bogus number of reserved sectors [ 434.097684][T26386] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 434.106811][T26386] FAT-fs (loop4): Can't find a valid FAT filesystem [ 434.125707][T26387] FAT-fs (loop3): bogus number of reserved sectors [ 434.132256][T26387] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 434.141378][T26387] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:50 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x600000000000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:50 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0xfeffffffffffffff, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:50 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x97ffffff, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:50 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) syz_io_uring_setup(0x289, &(0x7f0000000100)={0x0, 0xbb3b, 0x1}, &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280)=0x0, &(0x7f0000000040)=0x0) r6 = open(&(0x7f0000000400)='./bus\x00', 0x1145042, 0x0) set_mempolicy(0x4000, &(0x7f0000000240)=0x4, 0x5) mount$9p_rdma(&(0x7f0000000300), &(0x7f00000003c0)='./bus\x00', &(0x7f0000000440), 0x82420, &(0x7f0000000480)={'trans=rdma,', {'port', 0x3d, 0x4e22}, 0x2c, {[], [{@obj_user={'obj_user', 0x3d, ']&,^-(}%/-#'}}]}}) syz_io_uring_submit(r4, r5, &(0x7f00000001c0)=@IORING_OP_WRITE={0x17, 0x0, 0x0, @fd=r6, 0x0, &(0x7f00000002c0)='x', 0x1}, 0x0) r7 = openat$pidfd(0xffffffffffffff9c, 0xfffffffffffffffe, 0x40200, 0x0) r8 = io_uring_register$IORING_REGISTER_PERSONALITY(r0, 0x9, 0x0, 0x0) syz_io_uring_submit(r4, r2, &(0x7f00000000c0)=@IORING_OP_WRITE={0x17, 0x3, 0x4000, @fd=r7, 0x18000000, &(0x7f0000000180)="40f5f01519b52be8486f18396b0fdb13ff389e495669f49a2ef3dadd1cddcd67a241297550602af4f9d32b40f03885a1c2d21732769484d0f1905fc032671dc30c77cfff34940c5289c4e842ed28cf1893b4383e0bcbfa7716e368529ad84ddeb74da59164dd1719c2137fa95d5ac2f25ea0c32c5ba2979fe0c8d2d96b4462044a2e32de0b3894ed161a066a8909abff43", 0x91, 0x2, 0x0, {0x0, r8}}, 0x3) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_SET_PORT_INFO(r6, 0x40a85323, &(0x7f0000000580)={{0x5, 0x46}, 'port1\x00', 0x64, 0x0, 0x1c00000, 0x0, 0x8, 0x1, 0x0, 0x0, 0x4, 0x1}) 03:37:50 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25}, {0x0, 0x406, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 434.249846][T26423] loop4: detected capacity change from 0 to 264192 [ 434.263800][T26428] loop5: detected capacity change from 0 to 6 [ 434.277988][T26427] loop1: detected capacity change from 0 to 6 [ 434.306837][T26387] loop3: detected capacity change from 0 to 258048 [ 434.326508][T26423] FAT-fs (loop4): bogus number of reserved sectors [ 434.326958][T26440] loop0: detected capacity change from 0 to 6 [ 434.333048][T26423] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 434.348219][T26423] FAT-fs (loop4): Can't find a valid FAT filesystem 03:37:51 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x9f4a06d8, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:51 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0xff0f000000000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 434.369522][T26387] FAT-fs (loop3): bogus number of reserved sectors [ 434.376062][T26387] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 434.385222][T26387] FAT-fs (loop3): Can't find a valid FAT filesystem [ 434.393160][T26440] FAT-fs (loop0): bogus number of reserved sectors [ 434.399714][T26440] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; DOS 2.x BPB is non-zero [ 434.409051][T26440] FAT-fs (loop0): Can't find a valid FAT filesystem [ 434.435367][T26454] loop5: detected capacity change from 0 to 6 [ 434.450271][T26460] loop1: detected capacity change from 0 to 6 03:37:51 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xd000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:51 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) clock_getres(0x7, &(0x7f0000000300)) syz_io_uring_setup(0x289, &(0x7f0000000100)={0x0, 0xbb3b, 0x1}, &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280)=0x0, &(0x7f0000000040)=0x0) r6 = open(&(0x7f0000000400)='./bus\x00', 0x104c043, 0x0) syz_io_uring_submit(r4, r5, &(0x7f00000001c0)=@IORING_OP_WRITE={0x17, 0x0, 0x0, @fd=r6, 0x0, &(0x7f00000002c0)='x', 0x1}, 0x0) syz_io_uring_submit(r4, r2, &(0x7f00000000c0)=@IORING_OP_WRITE={0x17, 0x0, 0x0, @fd_index=0x7, 0x6, &(0x7f0000000180)="556202413c9d7ede68d68a168940ed24829f5406b59158606e695d4879b31822f14c306be4bf4a96e7f2fbb7812219fa8990212b08107b637c0644af98abc1f38f7423bc307eedc109a8325ab50c900cea4853c75b069d732d99119f9dce86c64f40935ecb55982b494d739fd633869ff2cdc0cdd48eddd13c1dbfb942bb6bd206c7589ec6b35bd36571652848b5ee5638ab93ca4ad41e33d0baed17614383fa1cdf1c71e49e5748a70587cb8ae2cd409660c2f6019d0588c4156e4b7ce43b4aa46dec0c89f0d935cf7dc94f35c99bc1ef6a8a17fa12c40a2ad4059a6dbd62ce4192de7bb2238d1cceb24de74f8efb", 0xef, 0x18}, 0xffff) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x0) 03:37:51 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x604000000000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:51 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0xfffdffff00000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:51 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0xa51d0000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 434.580224][T26486] loop3: detected capacity change from 0 to 264192 [ 434.591620][T26481] loop4: detected capacity change from 0 to 264192 [ 434.595945][T26488] loop1: detected capacity change from 0 to 6 [ 434.608143][T26486] FAT-fs (loop3): bogus number of reserved sectors [ 434.614686][T26486] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 434.623798][T26486] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:51 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25}, {0x0, 0x500, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:51 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0xffffff7f00000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 434.650117][T26490] loop5: detected capacity change from 0 to 6 [ 434.674755][T26481] FAT-fs (loop4): bogus number of reserved sectors [ 434.675556][T26501] loop0: detected capacity change from 0 to 6 [ 434.681393][T26481] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code 03:37:51 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xe000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:51 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) r3 = mmap$IORING_OFF_SQ_RING(&(0x7f0000ffd000/0x3000)=nil, 0x3000, 0x2000000, 0x50, r0, 0x0) r4 = mmap$IORING_OFF_SQES(&(0x7f0000ffe000/0x1000)=nil, 0x1000, 0xf, 0x1010, r0, 0x10000000) syz_io_uring_submit(r3, r4, &(0x7f0000000180)=@IORING_OP_TIMEOUT={0xb, 0x2, 0x0, 0x0, 0x1, &(0x7f00000000c0)={0x77359400}, 0x1, 0x1}, 0x0) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280)=0x0, &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r6, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) syz_io_uring_setup(0x33fd, &(0x7f00000001c0)={0x0, 0x46f, 0x20, 0x2, 0xc, 0x0, r0}, &(0x7f0000400000/0xc00000)=nil, &(0x7f00004a5000/0x2000)=nil, &(0x7f0000000240), &(0x7f00000002c0)=0x0) syz_io_uring_submit(r5, r7, &(0x7f0000000300)=@IORING_OP_READ_FIXED={0x4, 0x5, 0x0, @fd, 0x10001, 0x5, 0x20, 0x10, 0x1}, 0x2) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x0) [ 434.696592][T26481] FAT-fs (loop4): Can't find a valid FAT filesystem [ 434.707209][T26501] FAT-fs (loop0): bogus number of reserved sectors [ 434.713792][T26501] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; DOS 2.x BPB is non-zero [ 434.723073][T26501] FAT-fs (loop0): Can't find a valid FAT filesystem [ 434.760138][T26515] loop1: detected capacity change from 0 to 6 [ 434.769899][T26516] loop3: detected capacity change from 0 to 264192 [ 434.789444][T26516] FAT-fs (loop3): bogus number of reserved sectors [ 434.795964][T26516] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code 03:37:51 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0xa61d0000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:51 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) ioctl$LOOP_CHANGE_FD(0xffffffffffffffff, 0x4c06, r0) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x0) [ 434.805096][T26516] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:51 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0xffffffff00000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 434.840330][T26534] loop5: detected capacity change from 0 to 6 [ 434.871442][T26516] loop3: detected capacity change from 0 to 264192 03:37:51 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x700000000000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 434.895424][T26547] loop1: detected capacity change from 0 to 6 [ 434.926696][T26516] FAT-fs (loop3): bogus number of reserved sectors [ 434.933353][T26516] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code 03:37:51 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25}, {0x0, 0x600, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:51 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340)={0x0, 0x0, 0x0, 0x1}, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) io_uring_enter(r0, 0x819, 0xaf51, 0x1, &(0x7f00000000c0)={[0x2]}, 0x8) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x0) 03:37:51 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0xa8030000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 434.942555][T26516] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:51 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0xffffffffffff0700, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:51 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) r3 = creat(&(0x7f0000000000)='./bus\x00', 0x0) io_setup(0x75, &(0x7f0000000280)=0x0) io_submit(r4, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r3, &(0x7f00000002c0)="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", 0xa9f9, 0x7}]) syz_io_uring_setup(0x6376, &(0x7f0000000100)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, r3}, &(0x7f0000ffc000/0x1000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r5, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x0) [ 435.001083][T26568] loop5: detected capacity change from 0 to 6 [ 435.006084][T26566] loop4: detected capacity change from 0 to 264192 [ 435.027171][T26571] loop0: detected capacity change from 0 to 6 [ 435.032306][T26574] loop1: detected capacity change from 0 to 6 [ 435.043817][T26571] FAT-fs (loop0): bogus number of reserved sectors 03:37:51 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xf000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 435.050352][T26571] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; DOS 2.x BPB is non-zero [ 435.059723][T26571] FAT-fs (loop0): Can't find a valid FAT filesystem [ 435.066394][T26566] FAT-fs (loop4): bogus number of reserved sectors [ 435.073010][T26566] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 435.082137][T26566] FAT-fs (loop4): Can't find a valid FAT filesystem 03:37:51 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0xa9030000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:51 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0xffffffffffffff7f, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:51 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) io_uring_enter(r0, 0x7f2e, 0x8c8b, 0x0, &(0x7f00000000c0)={[0x2]}, 0x8) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x0) 03:37:51 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25}, {0x0, 0x604, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:51 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x800000000000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 435.149897][T26597] loop5: detected capacity change from 0 to 6 [ 435.186717][T26609] loop1: detected capacity change from 0 to 6 03:37:51 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0xaa030000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 435.235906][T26616] loop3: detected capacity change from 0 to 264192 [ 435.239737][T26619] loop0: detected capacity change from 0 to 6 [ 435.251726][T26623] loop4: detected capacity change from 0 to 264192 [ 435.264139][T26619] FAT-fs (loop0): bogus number of reserved sectors [ 435.270217][T26616] FAT-fs (loop3): bogus number of reserved sectors [ 435.270668][T26619] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; DOS 2.x BPB is non-zero [ 435.277125][T26616] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 435.277139][T26616] FAT-fs (loop3): Can't find a valid FAT filesystem [ 435.286410][T26619] FAT-fs (loop0): Can't find a valid FAT filesystem [ 435.296980][T26629] loop5: detected capacity change from 0 to 6 [ 435.316702][T26623] FAT-fs (loop4): bogus number of reserved sectors [ 435.323244][T26623] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code 03:37:51 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0xfffffffffffffffe, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 435.332357][T26623] FAT-fs (loop4): Can't find a valid FAT filesystem 03:37:52 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) setsockopt$packet_int(0xffffffffffffffff, 0x107, 0x14, &(0x7f0000000100)=0x6, 0x4) bind$packet(0xffffffffffffffff, &(0x7f0000000200)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @link_local}, 0x14) ioctl$sock_ipv6_tunnel_SIOCCHGTUNNEL(0xffffffffffffffff, 0x89f3, &(0x7f0000000200)={'ip6gre0\x00', &(0x7f0000000180)={'ip6gre0\x00', 0x0, 0x29, 0x1f, 0x6, 0x100, 0x4, @mcast2, @remote, 0x700, 0x80, 0x3, 0xfffffff9}}) r5 = socket(0x200000000000011, 0x2, 0x0) ioctl$sock_SIOCGIFINDEX(r5, 0x8933, &(0x7f0000000080)={'sit0\x00', 0x0}) setsockopt$packet_int(r5, 0x107, 0x14, &(0x7f0000000100)=0x6, 0x4) bind$packet(r5, &(0x7f0000000200)={0x11, 0x0, r6, 0x1, 0x0, 0x6, @link_local}, 0x14) getsockopt$inet_pktinfo(0xffffffffffffffff, 0x0, 0x8, &(0x7f0000000240)={0x0, @private, @empty}, &(0x7f00000002c0)=0xc) r8 = socket(0x200000000000011, 0x2, 0x0) ioctl$sock_SIOCGIFINDEX(r8, 0x8933, &(0x7f0000000080)={'sit0\x00', 0x0}) setsockopt$packet_int(r8, 0x107, 0x14, &(0x7f0000000100)=0x6, 0x4) bind$packet(r8, &(0x7f0000000200)={0x11, 0x0, r9, 0x1, 0x0, 0x6, @link_local}, 0x14) sendmsg$ETHTOOL_MSG_RINGS_GET(0xffffffffffffffff, &(0x7f00000003c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000300)={&(0x7f00000007c0)=ANY=[@ANYBLOB="88010000", @ANYRES16=0x0, @ANYBLOB="00082bbd7000ffdbdf250f0000003c00018008000100", @ANYRES32=0x0, @ANYBLOB="080003000200000008000100", @ANYRES32=0x0, @ANYBLOB="080003000200000008000100", @ANYRES32=0x0, @ANYBLOB="080001005542484ec27829948566c10d6f370b8334504e18cced457604c14e6a08610099dcae438c717b06f02ade8f3dc5d7656794e2311f6e0c5cd455efac3a643989480c996a61fcd7af1724dfb15e0400000000000000e2bf4f3c108f16dad0597930c8b10dec55c68c0a71fce641e728594714bcbbf72af1262111aa946369eecb0bf394d4872b430a5c7e372b4eb37a3199e9cbd0f1aeaaa808435b7e3e950476eb7983946b6b77d6aa67581aa73eb4525b76d251595095d8", @ANYRES32=r4, @ANYBLOB="08000300020000005800018008000100", @ANYRES32=r6, @ANYBLOB="140002006272696467655f736c6176655f310000140002006d61637674617030000000000000000008000100", @ANYRES32=r7, @ANYBLOB="140002006261746164765f736c6176655f310000080003000300000034000180140002006e65747063693000000000000000000008000100", @ANYRES32=r9, @ANYBLOB="14000200677265300000000000000000000000003c000180140002007767310000000000000000000000000014000200766c616e30000000000000000000000008000100", @ANYRES32=0x0, @ANYBLOB="08000300030000004c00018008000100", @ANYRES32=0x0, @ANYBLOB="140002007866726d300000000000000000000000080003000200000008000100", @ANYRES32=0x0, @ANYBLOB="140002006272696467655f736c6176655f30000008000300010000000c0001800800030001000000180001801400020076657468305f746f5f68737200000000"], 0x188}, 0x1, 0x0, 0x0, 0x40}, 0x4000000) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x0) [ 435.372635][T26639] loop1: detected capacity change from 0 to 6 03:37:52 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25}, {0x0, 0x700, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 435.426401][T26616] loop3: detected capacity change from 0 to 264192 03:37:52 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0xffffffffffffffff, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:52 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0xab030000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 435.467323][T26616] FAT-fs (loop3): bogus number of reserved sectors [ 435.473981][T26616] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 435.476204][T26663] loop0: detected capacity change from 0 to 6 [ 435.483099][T26616] FAT-fs (loop3): Can't find a valid FAT filesystem [ 435.507647][T26668] loop1: detected capacity change from 0 to 6 03:37:52 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x10000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:52 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x900000000000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:52 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) openat$vcsu(0xffffffffffffff9c, &(0x7f0000000180), 0x183001, 0x0) r3 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100)={0x0, 0x7b64, 0x0, 0x0, 0xfffffffd, 0x0, r3}, &(0x7f0000ff5000/0xb000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r4, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) r5 = creat(&(0x7f00000001c0)='./bus\x00', 0x0) fcntl$setstatus(r5, 0x4, 0x6800) lseek(r5, 0x4200, 0x0) r6 = open(&(0x7f0000000700)='./bus\x00', 0x0, 0x0) sendfile(r5, r6, 0x0, 0x8400fffffffb) io_uring_register$IORING_REGISTER_EVENTFD(r6, 0x4, &(0x7f00000000c0), 0x1) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) sendmsg$NLBL_CIPSOV4_C_REMOVE(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000200)={&(0x7f0000001400)=ANY=[@ANYRES32, @ANYRESOCT, @ANYRESHEX, @ANYRES32, @ANYRESOCT, @ANYRES64, @ANYRESHEX], 0x3}, 0x1, 0x0, 0x0, 0x4}, 0x40025) ioctl$BTRFS_IOC_BALANCE_V2(0xffffffffffffffff, 0xc4009420, &(0x7f0000000500)={0x6, 0x4, {0x3, @struct={0x0, 0x5}, 0x0, 0x7, 0x6, 0x10001, 0x7, 0x7bc2, 0x4, @struct={0x2, 0x2}, 0x5, 0x1, [0x4, 0x7, 0xfffffffffffffff8, 0x0, 0x4, 0x40c]}, {0x4a, @usage=0x2, 0x0, 0x3, 0x800, 0x0, 0x8, 0x81, 0x428, @struct={0x1, 0x20}, 0x0, 0x2, [0x100000001, 0x1, 0x5, 0x1, 0x8000, 0x9]}, {0x7, @usage=0xffffffff, 0x0, 0x2, 0x0, 0x0, 0x4, 0x1f, 0x90, @usage=0x102, 0xe0000000, 0x6, [0x8000, 0x9d86, 0x2, 0xf4e, 0x1, 0x3]}, {0x0, 0x9adb, 0x5f2}}) ioctl$BTRFS_IOC_BALANCE_V2(0xffffffffffffffff, 0xc4009420, &(0x7f0000000540)={0x0, 0x5, {0x6fdf, @usage=0x8, 0x0, 0x5, 0x55e, 0x8, 0x3, 0x9, 0x20, @usage, 0xffffff00, 0x7, [0x100000001, 0x0, 0x7, 0x1, 0xfffffffffffffffe, 0xa45]}, {0x2, @usage=0xfffffffffffffffe, 0x0, 0xfffffffffffffbff, 0x3, 0x100000000, 0x8, 0x0, 0x448, @struct={0x3b64, 0x3}, 0x800, 0x7fff, [0x3, 0x4, 0x0, 0x2, 0xff, 0x100000000]}, {0x9, @usage=0x7e47cf27, 0x0, 0xe1, 0x4, 0x5, 0x1, 0x3, 0x67, @usage=0x7, 0x2, 0x3, [0xfff, 0x5, 0x0, 0x101, 0xe2b, 0x8]}, {0x78d, 0x40, 0x3}}) ioctl$BTRFS_IOC_SCRUB(0xffffffffffffffff, 0xc400941b, &(0x7f0000000140)={0x0, 0x4, 0x8}) ioctl$BTRFS_IOC_GET_DEV_STATS(0xffffffffffffffff, 0xc4089434, &(0x7f0000000740)={0x0, 0x20, 0x0, [0x100, 0x7, 0x8, 0xfff, 0x100], [0x10001, 0xe861, 0x401, 0xc95, 0x7, 0x101, 0x20, 0x3, 0x3, 0x958000000, 0x3, 0x100000001, 0xf8b, 0x3ae1a171, 0x8, 0x3ff, 0x432b3043, 0x5000000000, 0x7ff, 0x7822, 0x5, 0x2, 0x1, 0x8, 0x19, 0x7, 0x3, 0xffffffffffffff00, 0xfffffffffffffffe, 0x0, 0x8, 0x0, 0x1ff, 0x8, 0xfffffffffffffff9, 0xe6d00df, 0x9, 0x4d, 0x2, 0x2, 0xf5a, 0x3ff, 0x6, 0x8, 0x80000001, 0x2, 0xbb8, 0x1ff, 0x7f, 0x4, 0x40, 0x5, 0xff, 0x3, 0x7f, 0x4, 0x8, 0x3, 0x40, 0x0, 0x3e, 0x401, 0x0, 0xed0d, 0x1, 0x7, 0x1, 0x4, 0x7, 0x100, 0xb28, 0x200, 0x8, 0x9, 0xe6d1, 0x6, 0x9, 0x20, 0xffffffffffffffc0, 0x691, 0x7, 0x8, 0x8, 0xfffffffffffffffe, 0x401, 0x1, 0x80000001, 0x6, 0x5, 0x3ce, 0x0, 0xbbc, 0x100000001, 0x3, 0x10001, 0x1, 0xcab7, 0x2acde17e, 0x993, 0x8, 0x4000000000000, 0x10001, 0x1bd4, 0xd0c3, 0x4, 0x3, 0x7f, 0x7, 0x1, 0x7fffffff, 0x4, 0x400, 0x401, 0x0, 0x200000000, 0xfffffffffffffff9, 0x5, 0x9, 0xc9, 0x3, 0x2]}) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x0) 03:37:52 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy, 0x22}]}) 03:37:52 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0xac030000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 435.521352][T26663] FAT-fs (loop0): bogus number of reserved sectors [ 435.527881][T26663] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; DOS 2.x BPB is non-zero [ 435.537249][T26663] FAT-fs (loop0): Can't find a valid FAT filesystem [ 435.537780][T26671] loop5: detected capacity change from 0 to 6 03:37:52 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25}, {0x0, 0x900, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 435.612439][T26692] loop4: detected capacity change from 0 to 264192 [ 435.619762][T26693] loop1: detected capacity change from 0 to 6 03:37:52 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xa00000000000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 435.660764][T26692] FAT-fs (loop4): bogus number of reserved sectors [ 435.667459][T26692] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 435.667476][T26692] FAT-fs (loop4): Can't find a valid FAT filesystem [ 435.667814][T26693] FAT-fs (loop1): Unrecognized mount option "dos1xfloppy"" or missing value [ 435.669911][T26704] loop3: detected capacity change from 0 to 264192 [ 435.699059][T26699] loop0: detected capacity change from 0 to 6 [ 435.702648][T26701] loop5: detected capacity change from 0 to 6 03:37:52 executing program 2: r0 = syz_io_uring_setup(0x7e1e, &(0x7f0000000340)={0x0, 0x0, 0x10}, &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff4000/0x4000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) r3 = syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) mmap$IORING_OFF_SQES(&(0x7f0000ffc000/0x4000)=nil, 0x4000, 0x0, 0x4010, r3, 0x10000000) syz_io_uring_submit(r1, r4, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) ioctl$F2FS_IOC_RELEASE_COMPRESS_BLOCKS(r3, 0x8008f512, &(0x7f0000001700)) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x0) writev(r0, &(0x7f00000004c0)=[{&(0x7f0000000180)="cbf75a95e7da9efd97b2f989e4582be74e8b763235769886abd40188dae1c7b1f14420a4c86a77217358d5e1eb7a856ea4c0be74e840c60146606b53036f095f757dc173d1d5369fa812a4", 0x4b}, {&(0x7f00000003c0)="216619cf17ec2420cf7b09f20cf31ed074cef5d808beacf3a3c8953ffd368ead25159bddd0fa087e6ad6d58dc9b5adc7d6c47a6c89c00195cc6193a5191cd9ed406e8d8c3c68823bd085799286dfd42624544bd6a0286c3d6a7a283351398831d9147c0ea51dc66b70627b30c9a0072acdeb7888e364b25c9f4c9d4cb65b119f4158c600e3170a9e861b54f75116291c637894eddf112dd4e2d69ea9f7b79a38176b9d79d1dd54617b1b4edacdd64db3d03d282f4d32afd8a74b9fb6025048e4b318bc4a80a965f3c3c2a93deaa40fd582de06b66cab72809391786f0935c6df3054db945ffb1ca31e9a3aa1848b16", 0xef}, {&(0x7f0000000580)="6f911ed4a67085def6d4264f258f6e151f664c7f545c66a1503f0686d55beffd26756f05337c4eff02d48872efbdf13f81eb0b7580829a5308bfd9035c319e5834d893bd0f58fa11a91901e6a8eb04510a90c414820b16ddcb28b337445305e66cf7dfe11af9cf6e0038815b8e5e84203f2b8110beacbabb4a99aa9492d4dc96125e93f7f0c082db9bcbe20e8d4e31a3ffd62915ecf2508a6191b3c9c147a3883844dc8994f39d", 0xa7}, {&(0x7f0000000640)="e8e4094c6749eace798edfdd2bad5303b3a9452cec03c1f32489960a9a72652744071f76ced3039122deaccc79c158c807a36081c9e46cc3750dc37c3cca6af0e9c90de1ae8ae83adf20d2eda677583f2ad916b3aa82e029ac4fde3555eb0fe7cfa5ee8a1248a7c8e3269b0b9114e56ba76ad2f5db3a0d79fb3359f35afe534ac8ebdf00423e899da7a47bcb03f9d4045c6254b66fe283a18fd4e0f8a30dabdda1c57de1a04218f24d7cfdd6594171146d0455b14b7acfcc0396eab9abbeef6f6f5e2765ba1fb583e30402ea75d9610c2ca02b022d79f947ea2e0462754ffa47cf3842b8e97874e3589b765a975768658190d66412ac0f89962aabb853e4307bad8cb602b5301474ad5fc564791607e59ebd0a2da0b2208bf6e5cb4a5753e0a43c3cda1f4168126711ebf4066c15a32fc84c32ec62465ce7f6d53a4c18170d0f241842a1d990e44fdb7fab499890c2bb0712e6705a4277c84c0cf4b5c4452150f6c4112d1e47fcb20700b05a50a3c6ddbd1c58bfc73a77f5fb92ff435630cbe8bbf04f850e97848d2360271db5033b3eeed8c061df49f4f5481a240f5d7b69de3a2342840b4a77e39dac77ff92deae3069b8898d8910d437c6f3ec83b5501598639293c4c76ae01b4b58f2515afcfef6f644b91762e1942488178150e978ade97f1b5e1c41ae6504bd6bb09eb57d0fd44a2c6ae1101d5107a067f4706b40716a4b297bdbb61d3cd49e1836c1961f0de4b3f1e0bce82228f456c85894d3794e89402c1b8f4edfdea29cb5928605a2ed8b39cf11b7b653c6a55f01ac77e207e1853e569a6490621c86fde2c78bd77aa8c1d8e560e52a11d4c1d9707348bef74faa9f105e4eba4511f1562bea20621748d5f93cf0fe31e03b213b9d0b4accb6cb0ae5dd932693cbcb99d3a85e7805aff9d28b1c71186a7b5bfa9be6dd64e71ff42408fbb96eecc783d3151b08cb87b6bb93b750d6ec06ec7423327be1cceba2c57dd557429bd531d9b85e62fe7e989bbcbd0335886ffed4e4dc4fa54b4d4fae46c7e2d545fc55ec7e3cc904e38449be7d0a4cd3d2cdffc550f5d89d6354ab615ab09ac80e0b2429109e839d3e4eb1dd55de6ea1dbc65585e9406a89d1e280868e7c42db579bdc9ea50bf858b2ce6d35867b296c2f49094827c8d0a01707d500eabdc47c87fb302a361e41d55c44ce4a6c621614baac119febb2b1a89b1b6f07f6564d8fe816163f8581209ed4ec5fc5dded68aa3eff00dbd007d72275427443bc8511d35b326643484d0c30a477606fe5945718caf56cefb2c16e0ef4778f12be1debcebe4aa94fca3679473075f4a9dbfb37ef6c13b16490d0e00ad0cc10a806b158c97ef534029e7c24e2d63270b28083992e160ad64d27d44a5da655ae638378ad52bb96068362083d76c200508bec359fa237244649e1c656ed134000b29cb72d8f57de1876a8eda24f9cf5335a91c3692456981bf961d6927020f49ec775b9700265a23135a034995dda2cde7f7c85c0fcf2ba7c70c32d2379a89c461b1f0597878971f86f4ce433813fcc85e5d535ea2e5d98188132d7863546c88440b4b88b92ef70c94d738acbe86a313a7cecaa482e4bd0383e33db497932a865ad4f1e1a843a8ddfde7e6dbc69a87ae462cef554238b12852de9a74fb8a7867e41f523eaf17c5a578976afa43699cbf238d396034bb4e85c7d11a4a6ed90ef6d44547b0c953d2758c255e6fbca2b32e4597dffee49c7afd56f23d9192f2da2e93cbd65612d54a9d6a1e7fa7ca8d6ab04a8360f941f6a2511617dfdef1adaaa2045aff531591124ecca1df7e25fb99af6bb465408047b5eca8c9adb69841c8898f8d7671babc02cc9f4b1bf3991eeb88f5b8579eff87164771612efdae4aa2ada25465e5b06f947a6fbac8c3207fef25ac3256bd96a5489364864258196d6ea2ddf966ffdf83982c22820b575c584f8a5da1e2359675944f6b38ede149dcaebb7c9f92f859fc9286fdd4a2c34fc47a0ddec29788a49cd44d506a74e0dd3717e7bce209272db1ebb3cbc4c2a7dabfc76d1eba30c37a49d8dfa433c27583f5209d3e88f2125eb61cb27e1ff31427bd9efb54a32bd264b953d0229ca2d09710da075a0de8fd34a7b2df21ebc300abea78d12ced0147e2b22c19988635609702066bdc3c622dd53691374dc98f7451f90cf54fb40e6e49d6dc3887c9afe02b22bc943fd6c9e1d87f9af616908bfbd3fb68d3a187c719532b69679f0c9fb1ddfe69d1c12d332cbaa8f78e7d91e4f669ce5fbb5c65ae601932b3f9188c2037a4547fea5f77b53fa31486dffdf3606751e8c0944bfa3ff935390557b23ffb22695b922bf1b938f25be098a7a96e7273befc9a96a344eb92c77594698320b6ea5dc988ebbfcf1c00014bbc5b322eadad04ca0f66350030ac1cf73373d6e94d260c37381b686a32f9e271567db6ecd0710c2708c85bf93d85071bc9a0a5bbd49ab75233f9d04684c4160d8741c80978696b1ecf202449632b25f5c005adbc50be8b14426ce08f2bb05fa86794b1038078ca23c129f9159c96e923bc69185803fe4d50ffd13a8774d7c21c4c686de6396c92ee41022c0fc5be7e436cf1f844222efebe29fcaf77ede9feadb8c3861eb45a4f48aeb455221685136d0a0da65d70d6a4146064065bc8b4013b7170aaf7fa46233e03eb9ec4b8357768f13f99abaa08a92a625021c26bfab537f5a4a2ce33843144e487e44948288972280a18c86c10ce619a3cfb193aac025bf004145bf3d75a4cff351e168cb2a559df20e18486c71a637cdd6fabf0102fb5136605d240998e4bb185bd5a9fd96f76b0b1a6a4ce2a4dbad28567eef187819992c775487f245f315012bc67cf3960ea5ae7bc3cfa45a082f67c022d7080ed11a99bda60643b7e527161171142a5fa28880bd87379047deab0ffb2fb37fb5cf5e63a891b7c2babdc5c44846669d98125fc7f0500b6c07d6ce5ab00150d0a5621229eddcb54ce19678f56e9b0bfd09c1ac75159bb7f4b6c45a48ae0c75ffbbbb4a447c735c1c2dfa109a02814ca029add73f94a4ad82568efd233b268a680b5026f07c025a78e04120e13e7e8ebcf161eaf94a142700182ab26b5b5177602d17100a5ac0dbed5ef2e1cf6a2998943deb65508803483982bda274eacc3563fc73c29dd1441ebd8afdaf7c8d7af953549351cd595f0f4a9e51077b34ef64cfbb9f82e5a2029288d16e84185ca4381b90d260325e82c22dcede81d1fe1c867d0751d358d0659e9ff1fafe93b7c42c98d882085807517967062a66de9cb5a1b351750a64ee8b8f4753b86b31cf8e0703f1726a68bf65da6337defc62c8b192a7fe71877c4887d7a21df3c8d09f4633032f02636d05b3e89efe26bd47fd605610f8903bf7854ea34497f3d6fada08d5e392f782dbcafcb240f23cf8244379cfc9c2ee735d1df83a76b03b9e1fe43881724d41204675bf254a63c2e1ead8bd5c2da7cdee225b365acbf4a315f8be7db9c996fdb8ea6f31ce452ea5f9223526b5d8a8f4036fff08a7ab6c63fb5c6035508dd98c86bc378ce5a94f3123b199b339a4a7d4ed9bf93c98535fed9a85c0c972ec67de20237129c49f6eeb1153c9ef4ef9404fd2a1771dbf38d19ed1d3b366e8b1d2a443e17018d20f4529c8d58d77c52f9329b869b52b5a114cc243c2b345b237aabd8124cf3b6d342201e0c1b0bfa7801d8b9ee1bd465720574ddf272845a429b5a31f023f172b31aa4d5b89f3764e41d44a9b21140cf69f83263cceb9128ab6b38111f87ebddfeb234303d1298d878bb3f05b2a6c82bf6cfeb701416aa91667db22b563ae2964424c7e964f21340927d55f6b0d222b0c06e1dcb74f86e4ba66ef534203be122b118f4fecc404337d7585e041345ecb4dfb403f3ffba382c7de857f349813ac8afe3969873782eb9d5bde007d03be9204c5eb6f13613027702a0691ce38af203db07d1159f6d737299f0477e97ae44d1622924fba7b7d61848be4a5a05aa5c05742f57413bca0e8c9e524944115268fd65d0df5a5554f87cb1ac3e4f711c8c576f963533d77b218146ed72da2232662c33ea2a7193c66e9da37527dbdfd647f7426fed91edd44afc2ac7b89fcef68ddb71d2ca9e1124d1f0e26c3dda2a2738e73fdcaea04d8845ac5dc2cbde600840d0532a38e74d360319179fd1d591a8f47e5f64bfb19c9f2fd5014d9639efeea86cb8235154f35955438392939cc70c00ac90a2c9e23b5b0ddf4b2f72a4bc8516257c204664ac6ccda160f6c07bc0c31100c403838648375734b89cdf9dd52904e233b39d8896b70045eea9dfe46f3c2e4dc6887cc5aeb1e8d5517f7f4b3296f09ec3153930917739001bf9cbc6258acb29345c78b71f0a233392c80e715a0634d6bc3a6f1d074f1f075a371aa5079a10c39258f30a73e09882b72efb180f04e6119d5e7fed9fe4024057b4df751144dea013129b3fbe22cb4e21b87251f351a23b845c5d0acd2442d609550be6b6d083aedfd46f47e6f8a134fa2507b4658cecea0bfbf0dadb81d37917099ade2b53bf1412833834f249207b2ae049cfe1661e7673d442b23420f962606b8f865dd1616b775d0909e42abe4960d83c45ae17cb6aa4c31686ddcc73b94a8330823c985304d7a05073774545465c900c731298ef17d0bf73979ce2d8cdb27ab835d8c7bf4906fb9cf27aaa0792b334a090b681eceebbd443f1be1cfd8f4446a3af7723c9a1a7b813f570d4bf00586a0def1c024faaed384078615726912bfacb47f294ded4ba52d2d28535f8f4c53a3efad0f0ca5d12495a291d86679b23204bdea30108b1196e741f4b03569c309f336723562630d9381e42f7944b040c6c12880c5f57266adbad88c4cba0e12852992d491fcde98faf3eb49cdf6552e1387478d0f1d45c80313fd855fd032a5689d3cd10917ff30e4cf4cc0b60e6c3e052bc1996296d50e6616630968f1d242a18fb4e8cebbcd34e41fb1a3ec62ba0a5aeb2667ce6ff0b374363641f1368c17c0661908a7d78b63f0087adb98a6e5cd63e759e2c17074e8c80610036ccc7ea1b48a4a8148124677c6840905bdffd8b3556d177acc73e8d9175b67f4ccbec48aec6fb50249d4935c1fe2cb0623e76200728e5cea23d0313ae60be88bfc89bef3dfb9890610777029857db7989957be7aea51eae370f3e80e59f0f08daf66bb90aa26b7e7593afdbc6529f0596741362960c5558e1fe7f5a8d41ef3d4d2ac7eddc0aed6c8e31261360c9e8a4c7d3d30b1842f7a0c759e3604272a9a2a525522c71dc40837db70361ab001ecfbc683d5aef260ef501ef318305997cb2fec6af087c62a4bf6b4864e1bd336c2354d9552679360fa21f008a8cb7ad89d212e00b15d5bd6317e359c0faf7382e4ee5e29c7fdb06d48cf449919b39674589f6d9f5893d1ffe56f43a9d8b12cf32a521303f38459acf027975fcabc4757234bb0a196e53619c7f8f7821e340a80c844bb07536dbef4937f887a210d62271a3f5b774d2b013abf8579144d3c312085b7b88864e69f621615810408e0e355a562391383f2c4f35d53013edea552980cd25d875b00fbe41e2a23f354793ea580fea45847bdc93eb715b31995c82ddca508473bbe3d89752eff15d15e07633ac7deac0d8a835573dd89181b6f5a9ac9bb7391cc0854cbdbae38486682cd02f1f69c313047dea129d224b38101acb23ec744739dabb748eeaa10ec26edfbd5acc30fef5ba7d79126348c1ecfa0a2be66226a17832ec4e5a363419b7a6512c2710743bf91cf2f9b", 0x1000}, {&(0x7f0000000200)="e643c9fd82e3340eaddade5dbf9398480618b83fc78ffc9244e54694140d94bee36593aedbf9fa0fad6bacf0d15c819667e736936b40c1ba7a481e13d3d7fd3a5714dd1215dc02b2e54045b0135b1c81f6ee", 0x52}, {&(0x7f00000002c0)="4224f28437291871e9e35e28c87ccf65ec5a626112c6d85fdc6d29c7e918f601ba8dd89122124770b1e767feb650745b09aca4e60659b94b2629dae6e4547cd41667a1", 0x43}, {&(0x7f00000000c0)="9df7137c3e7786fae4851bd261356a8775d53f564d7d0029c94b8b576bd94d5cb27a83c208734623e8f7f34a5dde68", 0x2f}, {&(0x7f0000001640)="f7b7f20ba82ad5caa51299f0f17a6c651fb68e224e5cfa9a60f9414d1f0c2b070b32aa2a54d4c8cd599175c0394b4c89edda3eb2d2951514af6dcec79440c28f8a3e5c45ff7422954e1321799d61a4870a8a4dce54338c768ac44928974cd9f50e2e85c78b310e87781a280f5ec807c602dbb6337697aa154f2f20e34246cf801ca642d370c774876e7b70513dd417b0f8cb5f2acfa028096d9537f577bb82c462117bbe", 0xa4}], 0x8) [ 435.718059][T26699] FAT-fs (loop0): bogus number of reserved sectors [ 435.724602][T26699] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; DOS 2.x BPB is non-zero [ 435.733948][T26699] FAT-fs (loop0): Can't find a valid FAT filesystem [ 435.745753][T26704] FAT-fs (loop3): bogus number of reserved sectors [ 435.752307][T26704] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 435.753428][T26711] loop4: detected capacity change from 0 to 264192 03:37:52 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy, 0x25}]}) [ 435.761479][T26704] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:52 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0xad030000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:52 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340)={0x0, 0x0, 0x0, 0x0, 0x1c7}, &(0x7f0000ff5000/0x4000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x0) [ 435.816795][T26729] loop1: detected capacity change from 0 to 6 [ 435.837534][T26729] FAT-fs (loop1): Unrecognized mount option "dos1xfloppy%" or missing value [ 435.843663][T26738] loop5: detected capacity change from 0 to 6 03:37:52 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x0) recvfrom(0xffffffffffffffff, &(0x7f0000000180)=""/123, 0x7b, 0x40002000, &(0x7f0000000200)=@in={0x2, 0x4e24, @multicast1}, 0x80) [ 435.864579][T26711] FAT-fs (loop4): bogus number of reserved sectors [ 435.871118][T26711] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 435.880310][T26711] FAT-fs (loop4): Can't find a valid FAT filesystem [ 435.901823][T26704] loop3: detected capacity change from 0 to 264192 [ 435.923281][T26704] FAT-fs (loop3): bogus number of reserved sectors [ 435.929835][T26704] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 435.938961][T26704] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:52 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x11000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:52 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:52 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25}, {0x0, 0xa00, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:52 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0xae030000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:52 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) io_uring_enter(r0, 0x23a, 0xd496, 0x2, &(0x7f0000000240)={[0x10001]}, 0x8) r3 = syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) r5 = fcntl$dupfd(r3, 0x0, r0) r6 = socket(0x200000000000011, 0x2, 0x0) ioctl$sock_SIOCGIFINDEX(r6, 0x8933, &(0x7f0000000080)={'sit0\x00', 0x0}) setsockopt$packet_int(r6, 0x107, 0x14, &(0x7f0000000100)=0x6, 0x4) bind$packet(r6, &(0x7f0000000200)={0x11, 0x0, r7, 0x1, 0x0, 0x6, @link_local}, 0x14) getresuid(&(0x7f0000000140), &(0x7f0000000180), &(0x7f00000001c0)=0x0) r9 = getuid() r10 = getuid() setresuid(r9, r10, r8) sendmsg$nl_xfrm(r5, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000580)=@migrate={0x264, 0x21, 0x10, 0x101, 0x25dfdbfc, {{@in6=@ipv4={'\x00', '\xff\xff', @remote}, @in6=@mcast2, 0x4e22, 0x0, 0x0, 0x8c55, 0x2, 0x80, 0x20, 0x36, r7, 0xffffffffffffffff}, 0x6e6bba}, [@algo_crypt={0xf7, 0x2, {{'ctr-cast5-avx\x00'}, 0x578, "a1b0d4d0bd6b6ebbb3db08f57077579c6925df34ad163bb489436be0d21ac777c3f7511bf7026f4ddbca7a068872738b3d2d6a51c314969dc6e595226cd1ac447f2343ba2043edecc9d738b0519bd177ac06bf60ecb4360946a61e864c3b5ef10852275675fe5f578cfa8c28083676bab860317d22598776daad28b5536a65d90569d68b1f40ebd9ef28988e6c237446801e38195799002bfb557f93ff9cb5f4034bc98394e9e8df1a6cb658959c71"}}, @sec_ctx={0x60, 0x8, {0x5c, 0x8, 0x0, 0x20, 0x54, "413fa0a15352647e28af75cf8e519a31f5f7a7830146de6f6d2cd3be70862c25c476024e63358dd090d4804c3ff2e99a8ff100040fdb862ad6255bb0e68b04aae35a4b4a16265891e9cc7b746e00b814b5f9ca04"}}, @replay_thresh={0x8, 0xb, 0x8}, @policy={0xac, 0x7, {{@in6=@empty, @in6=@loopback, 0x4e20, 0x7, 0x4e21, 0x2, 0x7, 0x20, 0x20, 0x16, 0x0, r9}, {0x4, 0xbe, 0x1, 0x800, 0x42c7, 0x0, 0x81, 0xa5b7}, {0x1, 0x9, 0xfffffffffffffffc, 0x7900}, 0x7, 0x6e6bbb, 0x2, 0x1, 0x3, 0x1}}, @extra_flags={0x8}]}, 0x264}, 0x1, 0x0, 0x0, 0x4890}, 0x1) syz_io_uring_submit(r1, r4, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x0) 03:37:52 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xb00000000000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 436.060819][T26787] loop1: detected capacity change from 0 to 6 [ 436.067267][T26788] loop3: detected capacity change from 0 to 57344 [ 436.072645][T26791] loop0: detected capacity change from 0 to 6 [ 436.081550][T26792] loop5: detected capacity change from 0 to 6 [ 436.081722][T26793] loop4: detected capacity change from 0 to 264192 [ 436.093190][T26791] FAT-fs (loop0): bogus number of reserved sectors [ 436.100635][T26791] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; DOS 2.x BPB is non-zero [ 436.109933][T26791] FAT-fs (loop0): Can't find a valid FAT filesystem [ 436.117446][T26787] FAT-fs (loop1): bogus number of reserved sectors [ 436.123120][T26788] FAT-fs (loop3): bogus number of reserved sectors [ 436.123997][T26787] FAT-fs (loop1): This looks like a DOS 1.x volume, but isn't a recognized floppy size (6 sectors) [ 436.130454][T26788] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 436.141126][T26787] FAT-fs (loop1): Can't find a valid FAT filesystem 03:37:52 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0xaf030000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 436.150213][T26788] FAT-fs (loop3): Can't find a valid FAT filesystem [ 436.170563][T26793] FAT-fs (loop4): bogus number of reserved sectors [ 436.177137][T26793] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 436.186265][T26793] FAT-fs (loop4): Can't find a valid FAT filesystem 03:37:52 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}], [], 0x2}) 03:37:52 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x552f, &(0x7f0000000180)={0x0, 0x2ef2, 0x10, 0x2, 0x1f6, 0x0, r0}, &(0x7f0000ffe000/0x1000)=nil, &(0x7f0000ff6000/0x3000)=nil, &(0x7f00000000c0), &(0x7f0000000200)=0x0) r4 = perf_event_open(&(0x7f0000000100)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x20000000, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r5 = syz_io_uring_setup(0x15a3, &(0x7f0000000080), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ffc000/0x1000)=nil, &(0x7f0000000000)=0x0, &(0x7f0000000040)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r6, 0x40, &(0x7f0000000140)=0x307e, 0x0, 0x4) r8 = io_uring_register$IORING_REGISTER_PERSONALITY(r5, 0x9, 0x0, 0x0) syz_io_uring_submit(r6, r7, &(0x7f0000000500)=@IORING_OP_CLOSE={0x13, 0x4, 0x0, r4, 0x0, 0x0, 0x0, 0x0, 0x0, {0x0, r8}}, 0x0) syz_io_uring_submit(r1, r3, &(0x7f0000000240)=@IORING_OP_TIMEOUT_REMOVE={0xc, 0x2, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, {0x0, r8}}, 0x3f) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r9, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x0) 03:37:52 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xc00000000000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 436.266897][T26788] loop3: detected capacity change from 0 to 57344 [ 436.292095][T26819] loop5: detected capacity change from 0 to 6 [ 436.294779][T26826] loop1: detected capacity change from 0 to 6 [ 436.305502][T26788] FAT-fs (loop3): bogus number of reserved sectors 03:37:52 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25}, {0x0, 0xb00, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 436.312187][T26788] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 436.316129][T26826] FAT-fs (loop1): Unrecognized mount option "" or missing value [ 436.321327][T26788] FAT-fs (loop3): Can't find a valid FAT filesystem [ 436.365640][T26839] loop4: detected capacity change from 0 to 264192 [ 436.374249][T26839] FAT-fs (loop4): bogus number of reserved sectors [ 436.380931][T26839] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 436.390067][T26839] FAT-fs (loop4): Can't find a valid FAT filesystem [ 436.397652][T26842] loop0: detected capacity change from 0 to 6 03:37:53 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100)={0x0, 0x0, 0x0, 0xffffffff}, &(0x7f0000ff9000/0x3000)=nil, &(0x7f0000ff6000/0x3000)=nil, &(0x7f00000000c0), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x0) syz_io_uring_setup(0x289, &(0x7f0000000100)={0x0, 0xbb3b, 0x1}, &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280)=0x0, &(0x7f0000000040)=0x0) r6 = open(&(0x7f0000000400)='./bus\x00', 0x1145042, 0x0) syz_io_uring_submit(r4, r5, &(0x7f00000001c0)=@IORING_OP_WRITE={0x17, 0x0, 0x0, @fd=r6, 0x0, &(0x7f00000002c0)='x', 0x1}, 0x0) syz_io_uring_setup(0x289, &(0x7f0000000100)={0x0, 0xbb3b, 0x1}, &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280)=0x0, &(0x7f0000000040)=0x0) r9 = open(&(0x7f0000000400)='./bus\x00', 0x1145042, 0x0) syz_io_uring_submit(r7, r8, &(0x7f00000001c0)=@IORING_OP_WRITE={0x17, 0x0, 0x0, @fd=r9, 0x0, &(0x7f00000002c0)='x', 0x1}, 0x0) r10 = perf_event_open(&(0x7f0000000100)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x20000000, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r11 = syz_io_uring_setup(0x15a3, &(0x7f0000000080), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ffc000/0x1000)=nil, &(0x7f0000000000)=0x0, &(0x7f0000000040)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r12, 0x40, &(0x7f0000000140)=0x307e, 0x0, 0x4) r14 = io_uring_register$IORING_REGISTER_PERSONALITY(r11, 0x9, 0x0, 0x0) syz_io_uring_submit(r12, r13, &(0x7f0000000500)=@IORING_OP_CLOSE={0x13, 0x4, 0x0, r10, 0x0, 0x0, 0x0, 0x0, 0x0, {0x0, r14}}, 0x0) syz_io_uring_submit(r4, r8, &(0x7f00000001c0)=@IORING_OP_OPENAT={0x12, 0x3, 0x0, 0xffffffffffffffff, 0x0, &(0x7f0000000180)='./file0\x00', 0x40, 0x40200, 0x23456, {0x0, r14}}, 0x9) 03:37:53 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x12000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:53 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}], [], 0x3}) [ 436.414015][T26842] FAT-fs (loop0): bogus number of reserved sectors [ 436.420544][T26842] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; DOS 2.x BPB is non-zero [ 436.429924][T26842] FAT-fs (loop0): Can't find a valid FAT filesystem 03:37:53 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0xb0030000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:53 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xd00000000000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 436.486724][T26864] loop1: detected capacity change from 0 to 6 [ 436.498963][T26870] loop5: detected capacity change from 0 to 6 [ 436.506036][T26868] loop3: detected capacity change from 0 to 122880 [ 436.516281][T26864] FAT-fs (loop1): Unrecognized mount option "" or missing value [ 436.526880][T26868] FAT-fs (loop3): bogus number of reserved sectors 03:37:53 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) r3 = openat$vcsa(0xffffffffffffff9c, &(0x7f0000000040), 0x40000, 0x0) r4 = syz_io_uring_setup(0x6376, &(0x7f0000000100)={0x0, 0x0, 0x0, 0x20000000, 0x0, 0x0, r3}, &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f00000000c0)=0x0) syz_io_uring_submit(r1, r5, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) syz_io_uring_setup(0x289, &(0x7f0000000100)={0x0, 0xbb3b, 0x1}, &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280)=0x0, &(0x7f0000000040)=0x0) r8 = open(&(0x7f0000000400)='./bus\x00', 0x1145042, 0x0) socketpair(0x1, 0x3, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg(r9, &(0x7f0000000300)=[{{0x0, 0x0, 0x0}}, {{0x0, 0x0, &(0x7f00000000c0)=[{0x0}, {0xfffffffffffffffe}], 0x2}}], 0x2, 0x0) fcntl$setstatus(r9, 0x4, 0x400) syz_io_uring_submit(r6, r7, &(0x7f00000001c0)=@IORING_OP_WRITE={0x17, 0x0, 0x0, @fd=r8, 0x0, &(0x7f00000002c0)='x', 0x1}, 0x0) r11 = io_uring_register$IORING_REGISTER_PERSONALITY(r4, 0x9, 0x0, 0x0) lseek(r10, 0x7f, 0x0) syz_io_uring_submit(0x0, r7, &(0x7f0000000180)=@IORING_OP_TEE={0x21, 0x5, 0x0, @fd=r4, 0x0, 0x0, 0xbc0, 0x3, 0x1, {0x0, r11, r3}}, 0x0) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x0) preadv(r10, &(0x7f0000000200)=[{&(0x7f0000000440)=""/169, 0xa9}, {&(0x7f0000000580)=""/150, 0x96}], 0x2, 0x0, 0x3ff) [ 436.533428][T26868] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 436.542570][T26868] FAT-fs (loop3): Can't find a valid FAT filesystem [ 436.553038][T26873] loop4: detected capacity change from 0 to 264192 [ 436.564177][T26873] FAT-fs (loop4): bogus number of reserved sectors [ 436.570737][T26873] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 436.579868][T26873] FAT-fs (loop4): Can't find a valid FAT filesystem 03:37:53 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}], [], 0x4}) 03:37:53 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0xb0260000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 436.601280][T26868] loop3: detected capacity change from 0 to 122880 [ 436.625015][T26868] FAT-fs (loop3): bogus number of reserved sectors [ 436.631559][T26868] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 436.640679][T26868] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:53 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25}, {0x0, 0xc00, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:53 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}], [], 0x5}) 03:37:53 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xe00000000000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 436.648903][T26906] loop1: detected capacity change from 0 to 6 [ 436.651840][T26906] FAT-fs (loop1): Unrecognized mount option "" or missing value [ 436.661301][T26911] loop5: detected capacity change from 0 to 6 03:37:53 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x20000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:53 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0xb1260000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 436.709335][T26922] loop0: detected capacity change from 0 to 6 [ 436.717950][T26922] FAT-fs (loop0): bogus number of reserved sectors 03:37:53 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}], [], 0x6}) 03:37:53 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25}, {0x0, 0xd00, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:53 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x20100000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 436.717970][T26922] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; DOS 2.x BPB is non-zero 03:37:53 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0xb4020000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 436.717983][T26922] FAT-fs (loop0): Can't find a valid FAT filesystem [ 436.755355][T26933] loop1: detected capacity change from 0 to 6 [ 436.757482][T26933] FAT-fs (loop1): Unrecognized mount option "" or missing value [ 436.760513][T26941] loop4: detected capacity change from 0 to 264192 [ 436.763003][T26941] FAT-fs (loop4): bogus number of reserved sectors [ 436.763013][T26941] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 436.763026][T26941] FAT-fs (loop4): Can't find a valid FAT filesystem [ 436.777604][T26949] loop3: detected capacity change from 0 to 264192 [ 436.780771][T26950] loop5: detected capacity change from 0 to 6 [ 436.787889][T26949] FAT-fs (loop3): bogus number of reserved sectors [ 436.787903][T26949] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 436.787916][T26949] FAT-fs (loop3): Can't find a valid FAT filesystem [ 436.850373][T26962] loop1: detected capacity change from 0 to 6 [ 436.860658][T26962] FAT-fs (loop1): Unrecognized mount option "" or missing value [ 436.893658][T26972] loop3: detected capacity change from 0 to 264192 [ 436.906103][T26972] FAT-fs (loop3): bogus number of reserved sectors [ 436.906116][T26972] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code 03:37:53 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}], [], 0x7}) 03:37:53 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0xf00000000000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:53 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x22000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:53 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0xb6260000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:53 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25}, {0x0, 0xe00, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 436.906205][T26972] FAT-fs (loop3): Can't find a valid FAT filesystem [ 436.923627][T26977] loop5: detected capacity change from 0 to 6 [ 436.923643][T26978] loop0: detected capacity change from 0 to 6 [ 436.925998][T26978] FAT-fs (loop0): bogus number of reserved sectors [ 436.926009][T26978] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; DOS 2.x BPB is non-zero [ 436.926019][T26978] FAT-fs (loop0): Can't find a valid FAT filesystem 03:37:53 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000200)={0x0, 0xfffffffc}, &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100)={0x0, 0x0, 0x8}, &(0x7f0000fff000/0x1000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) r4 = creat(&(0x7f00000001c0)='./bus\x00', 0x0) fcntl$setstatus(r4, 0x4, 0x6800) lseek(r4, 0x4200, 0x0) r5 = open(&(0x7f0000000700)='./bus\x00', 0x0, 0x0) sendfile(r4, r5, 0x0, 0x8400fffffffb) io_uring_enter(r5, 0xc12, 0xa066, 0x2, &(0x7f00000000c0)={[0x2]}, 0x8) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) syz_io_uring_submit(0x0, 0x0, &(0x7f00000001c0)=@IORING_OP_WRITE={0x17, 0x0, 0x0, @fd, 0x0, &(0x7f00000002c0)='x', 0x1}, 0x0) r6 = perf_event_open(&(0x7f0000000100)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x20000000, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r7 = syz_io_uring_setup(0x15a3, &(0x7f0000000080), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ffc000/0x1000)=nil, &(0x7f0000000000)=0x0, &(0x7f0000000040)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r8, 0x40, &(0x7f0000000140)=0x307e, 0x0, 0x4) r10 = io_uring_register$IORING_REGISTER_PERSONALITY(r7, 0x9, 0x0, 0x0) syz_io_uring_submit(r8, r9, &(0x7f0000000500)=@IORING_OP_CLOSE={0x13, 0x4, 0x0, r6, 0x0, 0x0, 0x0, 0x0, 0x0, {0x0, r10}}, 0x0) syz_io_uring_submit(r1, 0x0, &(0x7f0000000180)=@IORING_OP_REMOVE_BUFFERS={0x1f, 0x2, 0x0, 0x5, 0x0, 0x0, 0x0, 0x0, 0x0, {0x0, r10}}, 0x0) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x0) [ 437.126861][T26998] loop3: detected capacity change from 0 to 114688 [ 437.135850][T27000] loop4: detected capacity change from 0 to 264192 [ 437.146584][T26998] FAT-fs (loop3): bogus number of reserved sectors [ 437.152655][T27004] loop5: detected capacity change from 0 to 6 [ 437.153113][T26998] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 437.153128][T26998] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:53 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) syz_memcpy_off$IO_URING_METADATA_GENERIC(0x0, 0x110, &(0x7f00000000c0)=0x4, 0x0, 0x4) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x0) [ 437.185585][T27005] loop0: detected capacity change from 0 to 6 [ 437.193456][T27006] loop1: detected capacity change from 0 to 6 [ 437.200092][T27000] FAT-fs (loop4): bogus number of reserved sectors [ 437.206612][T27000] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 437.215764][T27000] FAT-fs (loop4): Can't find a valid FAT filesystem 03:37:53 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0xba020000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:53 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x5, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x4b20, &(0x7f0000000100)={0x0, 0x0, 0x10, 0xfffffffc, 0x211}, &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffe000/0x2000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) r4 = mmap$IORING_OFF_CQ_RING(&(0x7f0000ff6000/0x3000)=nil, 0x3000, 0x6, 0x110, 0xffffffffffffffff, 0x8000000) socketpair(0x1, 0x3, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) sendmmsg(r5, &(0x7f0000000300)=[{{0x0, 0x0, 0x0}}, {{0x0, 0x0, &(0x7f00000000c0)=[{0x0}, {0xfffffffffffffffe}], 0x2}}], 0x2, 0x0) syz_io_uring_submit(r4, r3, &(0x7f00000000c0)=@IORING_OP_FALLOCATE={0x11, 0x2, 0x0, @fd=r5, 0x1, 0x0, 0x7}, 0x2) syz_io_uring_submit(r1, r3, &(0x7f0000000180)=@IORING_OP_REMOVE_BUFFERS, 0x20739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x0) [ 437.240383][T27005] FAT-fs (loop0): bogus number of reserved sectors [ 437.247003][T27005] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; DOS 2.x BPB is non-zero [ 437.256457][T27005] FAT-fs (loop0): Can't find a valid FAT filesystem [ 437.265986][T27006] FAT-fs (loop1): Unrecognized mount option "" or missing value 03:37:53 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x1000000000000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 437.316362][T27033] loop5: detected capacity change from 0 to 6 [ 437.327616][T26998] loop3: detected capacity change from 0 to 114688 [ 437.344577][T26998] FAT-fs (loop3): bogus number of reserved sectors [ 437.351126][T26998] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 437.360276][T26998] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:54 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}], [], 0x8}) [ 437.383265][T27052] loop4: detected capacity change from 0 to 264192 [ 437.402990][T27052] FAT-fs (loop4): bogus number of reserved sectors [ 437.409540][T27052] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 437.418702][T27052] FAT-fs (loop4): Can't find a valid FAT filesystem 03:37:54 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25}, {0x0, 0xe01, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:54 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x1100000000000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:54 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0xbb020000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:54 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x25000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 437.428499][T27057] loop1: detected capacity change from 0 to 6 [ 437.446038][T27057] FAT-fs (loop1): Unrecognized mount option "" or missing value [ 437.483989][T27069] loop5: detected capacity change from 0 to 6 [ 437.496308][T27071] loop0: detected capacity change from 0 to 6 [ 437.506320][T27076] loop3: detected capacity change from 0 to 264192 [ 437.517563][T27071] FAT-fs (loop0): bogus number of reserved sectors [ 437.524252][T27071] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; DOS 2.x BPB is non-zero 03:37:54 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}], [], 0x9}) 03:37:54 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) socketpair(0x1, 0x3, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) sendmmsg(r3, &(0x7f0000000300)=[{{0x0, 0x0, 0x0}}, {{0x0, 0x0, &(0x7f00000000c0)=[{0x0}, {0xfffffffffffffffe}], 0x2}}], 0x2, 0x0) mmap(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x4, 0x4000010, r3, 0xf6661000) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) r4 = syz_io_uring_setup(0x6376, &(0x7f0000000100)={0x0, 0x0, 0x0, 0xfffffffd, 0x1d}, &(0x7f0000771000/0x4000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280)=0x0, &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r6, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) r7 = perf_event_open(&(0x7f0000000100)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x20000000, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r8 = syz_io_uring_setup(0x15a3, &(0x7f0000000080), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ffc000/0x1000)=nil, &(0x7f0000000000)=0x0, &(0x7f0000000040)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r9, 0x40, &(0x7f0000000140)=0x307e, 0x0, 0x4) r11 = io_uring_register$IORING_REGISTER_PERSONALITY(r8, 0x9, 0x0, 0x0) syz_io_uring_submit(r9, r10, &(0x7f0000000500)=@IORING_OP_CLOSE={0x13, 0x4, 0x0, r7, 0x0, 0x0, 0x0, 0x0, 0x0, {0x0, r11}}, 0x0) r12 = openat$vcsu(0xffffffffffffff9c, &(0x7f0000000180), 0x10000, 0x0) r13 = io_uring_register$IORING_REGISTER_PERSONALITY(0xffffffffffffffff, 0x9, 0x0, 0x0) syz_io_uring_submit(r5, r6, &(0x7f0000000200)=@IORING_OP_SPLICE={0x1e, 0x1, 0x0, @fd_index=0x4, 0x6, {0x0, r12}, 0x4, 0x1, 0x1, {0x0, r13, r0}}, 0x4) r14 = dup(r4) sendmsg$FOU_CMD_ADD(r14, &(0x7f00000003c0)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="00082abd7000fcdbdf1001000000"], 0x14}, 0x1, 0x0, 0x0, 0x4000}, 0x240ec054) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x0) [ 437.533550][T27071] FAT-fs (loop0): Can't find a valid FAT filesystem [ 437.546856][T27073] loop4: detected capacity change from 0 to 264192 [ 437.561292][T27073] FAT-fs (loop4): bogus number of reserved sectors [ 437.567829][T27073] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 437.577003][T27073] FAT-fs (loop4): Can't find a valid FAT filesystem 03:37:54 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) r3 = syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280)=0x0, &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r5, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) r6 = accept$inet6(0xffffffffffffffff, &(0x7f00000000c0)={0xa, 0x0, 0x0, @private2}, &(0x7f0000000180)=0x1c) r7 = socket$inet_icmp(0x2, 0x2, 0x1) syz_io_uring_submit(r4, r2, &(0x7f0000000200)=@IORING_OP_FILES_UPDATE={0x14, 0x3, 0x0, 0x0, 0x2, &(0x7f00000001c0)=[r3, r6, r3, r7], 0x4}, 0x6) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x0) 03:37:54 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0xc0ed0000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 437.581518][T27076] FAT-fs (loop3): bogus number of reserved sectors [ 437.588113][T27091] loop1: detected capacity change from 0 to 6 [ 437.590187][T27076] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 437.598053][T27091] FAT-fs (loop1): Unrecognized mount option " " or missing value [ 437.605401][T27076] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:54 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x1200000000000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 437.660797][T27101] loop5: detected capacity change from 0 to 6 [ 437.682382][T27076] loop3: detected capacity change from 0 to 264192 [ 437.687427][T27101] FAT-fs (loop5): bogus number of reserved sectors [ 437.692960][T27117] loop4: detected capacity change from 0 to 264192 [ 437.695403][T27101] FAT-fs (loop5): This doesn't look like a DOS 1.x volume; no bootstrapping code 03:37:54 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) perf_event_open(&(0x7f0000000500)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r4 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) ioctl$RTC_UIE_ON(r4, 0x7003) ioctl$RTC_SET_TIME(r4, 0x4024700a, &(0x7f00000000c0)={0x2c, 0x27, 0x5, 0x400103, 0x1, 0x5, 0x5, 0x14, 0xffffffffffffffff}) dup3(0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$RTC_WKALM_SET(r4, 0x4028700f, &(0x7f0000000000)={0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x1000}}) ioctl$RTC_SET_TIME(r4, 0x4024700a, &(0x7f0000000100)={0x0, 0x0, 0x0, 0x8, 0x0, 0xe5f2}) ioctl$RTC_SET_TIME(r4, 0x4024700a, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1a, 0x0, 0xbd80}) open(0x0, 0x0, 0x0) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x0) [ 437.695419][T27101] FAT-fs (loop5): Can't find a valid FAT filesystem [ 437.704554][T27117] FAT-fs (loop4): bogus number of reserved sectors [ 437.724122][T27117] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 437.733254][T27117] FAT-fs (loop4): Can't find a valid FAT filesystem 03:37:54 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25}, {0x0, 0xf00, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:54 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}], [], 0xa}) [ 437.758817][T27076] FAT-fs (loop3): bogus number of reserved sectors [ 437.765348][T27076] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 437.774483][T27076] FAT-fs (loop3): Can't find a valid FAT filesystem [ 437.813559][T27131] loop0: detected capacity change from 0 to 6 [ 437.815422][T27130] loop1: detected capacity change from 0 to 6 [ 437.829209][T27130] FAT-fs (loop1): Unrecognized mount option " [ 437.829209][T27130] " or missing value [ 437.852812][T27131] FAT-fs (loop0): bogus number of reserved sectors 03:37:54 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x32030000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:54 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x2000000000000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:54 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0xd8064a9f, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 437.859426][T27131] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; DOS 2.x BPB is non-zero [ 437.868736][T27131] FAT-fs (loop0): Can't find a valid FAT filesystem [ 437.903681][T27148] loop4: detected capacity change from 0 to 264192 03:37:54 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100)={0x0, 0x0, 0x1}, &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x0) [ 437.917396][T27151] loop5: detected capacity change from 0 to 6 [ 437.929114][T27147] loop3: detected capacity change from 0 to 107264 [ 437.940045][T27147] FAT-fs (loop3): bogus number of reserved sectors [ 437.946561][T27147] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 437.947574][T27148] FAT-fs (loop4): bogus number of reserved sectors 03:37:54 executing program 2: sendto(0xffffffffffffffff, &(0x7f0000000180)="d1339d42ed2af58b42b5ee3386d4ffd27b40b4e51729d9a2e65a08400e84a2fa57e67eaf7ebf7e44a5ae31299855b3382ca2599fa88985698b96c5ad521a7a7ecbcef18a62dcf3b8bdad6665960ae608b4d6c382b736d102d20d3297d43e2f3bc81310b524b0f15ec0c4baa06d6f9e898da2a8efcca16023502dd92b566e047dea644d733fbef9040c23ead595a7", 0x8e, 0x40, &(0x7f00000002c0)=@ll={0x11, 0x8, 0x0, 0x1, 0x7}, 0x80) r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100)={0x0, 0x1000000}, &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000240)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3d9acf76, 0x100000000000080) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x0) set_mempolicy(0x4000, &(0x7f00000000c0)=0x10000, 0x1ff) 03:37:54 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}], [], 0xb}) [ 437.955683][T27147] FAT-fs (loop3): Can't find a valid FAT filesystem [ 437.961157][T27163] loop0: detected capacity change from 0 to 6 [ 437.962192][T27148] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 437.984015][T27148] FAT-fs (loop4): Can't find a valid FAT filesystem [ 437.992388][T27163] FAT-fs (loop0): bogus number of reserved sectors [ 437.998924][T27163] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; DOS 2.x BPB is non-zero [ 438.008200][T27163] FAT-fs (loop0): Can't find a valid FAT filesystem 03:37:54 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) r3 = syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r4, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) syz_io_uring_setup(0x289, &(0x7f0000000100)={0x0, 0xbb3b, 0x1}, &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280)=0x0, &(0x7f0000000040)=0x0) r7 = open(&(0x7f0000000400)='./bus\x00', 0x1145042, 0x0) syz_io_uring_submit(r5, r6, &(0x7f00000001c0)=@IORING_OP_WRITE={0x17, 0x0, 0x0, @fd=r7, 0x0, &(0x7f00000002c0)='x', 0x1}, 0x0) r8 = syz_open_procfs$namespace(0x0, &(0x7f0000000180)='ns/time\x00') r9 = io_uring_register$IORING_REGISTER_PERSONALITY(r3, 0x9, 0x0, 0x0) syz_io_uring_submit(r5, r2, &(0x7f0000000240)=@IORING_OP_WRITE={0x17, 0x4, 0x2004, @fd=r8, 0x2, &(0x7f00000001c0)="0c7f4e62629e20a6c3a7bfd00e820881ecafe32475091c925d5336a0b6c1dbc78873df6d901effd9515e34dd32fa382be51f8c28eba45fda05b0e1e6d476a1c65761e48f3270328ff8d8a10324da57524a1e2185cac692cec71942540d335c6e808a800a8466daa4c84ff652f5075973470933274910d3f103", 0x79, 0x6, 0x0, {0x0, r9}}, 0x5) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x0) io_uring_enter(r0, 0x321f, 0xe789, 0x1, &(0x7f00000000c0)={[0x7f]}, 0x8) 03:37:54 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0xdaffffff, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 438.023574][T27147] loop3: detected capacity change from 0 to 107264 [ 438.032907][T27147] FAT-fs (loop3): bogus number of reserved sectors [ 438.039520][T27147] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 438.048653][T27147] FAT-fs (loop3): Can't find a valid FAT filesystem [ 438.062537][T27181] loop1: detected capacity change from 0 to 6 03:37:54 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25}, {0x0, 0x1020, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 438.070696][T27181] FAT-fs (loop1): Unrecognized mount option " " or missing value [ 438.073278][T27148] loop4: detected capacity change from 0 to 264192 [ 438.082411][T27186] loop5: detected capacity change from 0 to 6 03:37:54 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x2010000000000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:54 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x75c5, &(0x7f0000000180)={0x0, 0x76af, 0x0, 0x3, 0x187, 0x0, r0}, &(0x7f0000ee8000/0x4000)=nil, &(0x7f0000ffe000/0x2000)=nil, &(0x7f00000000c0), &(0x7f0000000200)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000000240)=@IORING_OP_FSYNC={0x3, 0x8, 0x0, @fd_index, 0x0, 0x0, 0x0, 0x1, 0x1}, 0xdd9c) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r4, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x0) 03:37:54 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x33030000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:54 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}], [], 0xc}) 03:37:54 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0xf6ffffff, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 438.117880][T27198] loop0: detected capacity change from 0 to 6 [ 438.125891][T27198] FAT-fs (loop0): bogus number of reserved sectors [ 438.132462][T27198] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; DOS 2.x BPB is non-zero [ 438.141763][T27198] FAT-fs (loop0): Can't find a valid FAT filesystem 03:37:54 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) socketpair(0x1, 0x3, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) sendmmsg(r3, &(0x7f0000000300)=[{{0x0, 0x0, 0x0}}, {{0x0, 0x0, &(0x7f00000000c0)=[{0x0}, {0xfffffffffffffffe}], 0x2}}], 0x2, 0x0) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_POLL_ADD={0x6, 0x1, 0x0, @fd=r3, 0x0, 0x0, 0x0, {0x4080}, 0x1}, 0xfffffffd) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r4, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x0) [ 438.186881][T27220] loop3: detected capacity change from 0 to 172800 [ 438.199323][T27221] loop5: detected capacity change from 0 to 6 [ 438.199769][T27218] loop1: detected capacity change from 0 to 6 [ 438.209666][T27224] loop4: detected capacity change from 0 to 264192 [ 438.223641][T27220] FAT-fs (loop3): bogus number of reserved sectors 03:37:54 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0xf9fdffff, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:54 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100)={0x0, 0x0, 0x0, 0x0, 0x1}, &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f00000000c0), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x0) 03:37:54 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x2200000000000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 438.230178][T27220] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 438.238856][T27224] FAT-fs (loop4): bogus number of reserved sectors [ 438.239412][T27220] FAT-fs (loop3): Can't find a valid FAT filesystem [ 438.245882][T27224] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 438.245893][T27224] FAT-fs (loop4): Can't find a valid FAT filesystem [ 438.265908][T27218] FAT-fs (loop1): Unrecognized mount option " " or missing value [ 438.280317][T27242] loop5: detected capacity change from 0 to 6 03:37:55 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25}, {0x0, 0x1100, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:55 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x769c, 0x0, 0x0, 0x0, 0x0) 03:37:55 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}], [], 0xd}) 03:37:55 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0xfdfdffff, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 438.325360][T27220] loop3: detected capacity change from 0 to 172800 [ 438.337258][T27220] FAT-fs (loop3): bogus number of reserved sectors [ 438.343950][T27220] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 438.350772][T27262] loop4: detected capacity change from 0 to 249856 [ 438.353054][T27220] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:55 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100)={0x0, 0x8c71, 0x0, 0x0, 0x1f6, 0x0, r0}, &(0x7f0000ff7000/0x4000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x0) [ 438.398365][T27275] loop1: detected capacity change from 0 to 6 [ 438.405131][T27277] loop5: detected capacity change from 0 to 6 [ 438.416642][T27262] FAT-fs (loop4): bogus number of reserved sectors [ 438.423217][T27262] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 438.432396][T27262] FAT-fs (loop4): Can't find a valid FAT filesystem [ 438.440885][T27275] FAT-fs (loop1): Unrecognized mount option "" or missing value 03:37:55 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x3f000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:55 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0xfdffffff, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:55 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}], [], 0xe}) [ 438.451919][T27284] loop0: detected capacity change from 0 to 6 [ 438.459604][T27284] FAT-fs (loop0): bogus number of reserved sectors [ 438.466121][T27284] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; DOS 2.x BPB is non-zero [ 438.475425][T27284] FAT-fs (loop0): Can't find a valid FAT filesystem [ 438.476725][T27290] loop3: detected capacity change from 0 to 264192 03:37:55 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_setup(0x697b, &(0x7f0000000180)={0x0, 0x407e, 0x8, 0x2, 0x185}, &(0x7f0000ffc000/0x1000)=nil, &(0x7f0000ff2000/0x2000)=nil, &(0x7f0000000200)=0x0, &(0x7f0000000240)) syz_io_uring_setup(0x289, &(0x7f0000000100)={0x0, 0xbb3b, 0x1}, &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280)=0x0, &(0x7f0000000040)=0x0) r6 = open(&(0x7f0000000400)='./bus\x00', 0x1145042, 0x0) syz_io_uring_submit(r4, r5, &(0x7f00000001c0)=@IORING_OP_WRITE={0x17, 0x0, 0x0, @fd=r6, 0x0, &(0x7f00000002c0)='x', 0x1}, 0x0) pipe(&(0x7f0000000280)={0xffffffffffffffff, 0xffffffffffffffff}) socketpair(0x1, 0x3, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) sendmmsg(r8, &(0x7f0000000300)=[{{0x0, 0x0, 0x0}}, {{0x0, 0x0, &(0x7f00000000c0)=[{0x0}, {0xfffffffffffffffe}], 0x2}}], 0x2, 0x0) r9 = epoll_create1(0x0) r10 = socket$netlink(0x10, 0x3, 0x9) r11 = socket$inet(0x2, 0x80000, 0x4) r12 = io_uring_register$IORING_REGISTER_PERSONALITY(0xffffffffffffffff, 0x9, 0x0, 0x0) syz_io_uring_submit(r3, r5, &(0x7f0000000300)=@IORING_OP_FILES_UPDATE={0x14, 0x2, 0x0, 0x0, 0x100000000, &(0x7f00000002c0)=[r7, r8, r0, r9, r0, r0, r10, r11, r0, r0], 0xa, 0x0, 0x0, {0x0, r12}}, 0x8) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100)={0x0, 0x2000000}, &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f00000000c0), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r13, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x0) [ 438.538025][T27290] FAT-fs (loop3): bogus number of reserved sectors [ 438.544695][T27290] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 438.553834][T27290] FAT-fs (loop3): Can't find a valid FAT filesystem [ 438.573748][T27308] loop1: detected capacity change from 0 to 6 03:37:55 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25}, {0x0, 0x1200, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:55 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x2329000000000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 438.581816][T27308] FAT-fs (loop1): Unrecognized mount option "" or missing value [ 438.584424][T27310] loop5: detected capacity change from 0 to 6 [ 438.612635][T27290] loop3: detected capacity change from 0 to 264192 [ 438.619954][T27290] FAT-fs (loop3): bogus number of reserved sectors [ 438.625981][T27328] loop0: detected capacity change from 0 to 6 [ 438.626537][T27290] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 438.641701][T27290] FAT-fs (loop3): Can't find a valid FAT filesystem [ 438.645793][T27331] loop4: detected capacity change from 0 to 264192 [ 438.650906][T27328] FAT-fs (loop0): bogus number of reserved sectors [ 438.656952][T27331] FAT-fs (loop4): bogus number of reserved sectors [ 438.661406][T27328] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; DOS 2.x BPB is non-zero [ 438.667904][T27331] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code 03:37:55 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0xfeffffff, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 438.677178][T27328] FAT-fs (loop0): Can't find a valid FAT filesystem [ 438.692926][T27331] FAT-fs (loop4): Can't find a valid FAT filesystem 03:37:55 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x40000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:55 executing program 2: r0 = syz_io_uring_setup(0x7e22, &(0x7f0000000340)={0x0, 0x0, 0x4, 0x0, 0xf3}, &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000001a80)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) r3 = syz_io_uring_setup(0x7952, &(0x7f00000001c0)={0x0, 0xfce3, 0x21, 0x0, 0x29f, 0x0, r0}, &(0x7f0000ff9000/0x3000)=nil, &(0x7f0000fff000/0x1000)=nil, &(0x7f0000000240)=0x0, &(0x7f0000000280)) r5 = accept4$unix(0xffffffffffffffff, &(0x7f00000002c0), &(0x7f00000003c0)=0x6e, 0x0) r6 = io_uring_register$IORING_REGISTER_PERSONALITY(r0, 0x9, 0x0, 0x0) syz_io_uring_submit(r4, r2, &(0x7f0000000400)=@IORING_OP_TEE={0x21, 0x4, 0x0, @fd=r5, 0x0, 0x0, 0x8, 0x0, 0x0, {0x0, r6, r0}}, 0x8) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) r7 = syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000180)=0x0, &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r9, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) r10 = io_uring_register$IORING_REGISTER_PERSONALITY(r3, 0x9, 0x0, 0x0) syz_io_uring_submit(r8, r9, &(0x7f0000001a40)=@IORING_OP_SENDMSG={0x9, 0x4, 0x0, r5, 0x0, &(0x7f0000001a00)={&(0x7f0000000440)=@isdn={0x22, 0x8, 0x6, 0x3}, 0x80, &(0x7f0000001ec0)=[{&(0x7f0000000580)="721d98d592b1b9db342c9ad0e265d84bb196fba289b99691ffee3a2803f49ba0567f16ab5f8cfdc26e49eaafd58837ed926badc503e45a4838992a66b03851c237bf3cc7a910c8ebe98c8dd5c0359f40df3fc1cb9a130737e3358fcf79b6433cda01eb44622d9315600fb32893132c1c6329d4c48c85c886ccbbca06488865775a22c68cbe57b506039272a12b51a69978c8a1ec05b9ba38d05d63cfa7f79cfa33d848382817465324987e8e8b811221ae0d265202bbb72065d85a67115d900ec47f12ae5cb874dfa495097d75f21af109ab12a44769c0dc6eb50b", 0xdb}, {&(0x7f0000001c00)="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", 0x170}, {&(0x7f00000004c0)="c8d871c78e40cde535807963bfc7214756d9d09b16988dcaed583a8fc71e05b8a7a1ff1b5ccb42f35e32b301a50cb5c620b4ce51242e741698fc99aaea412a5af0be90028cf1ff0426e5f50b1b2413c49bea2defdbdc85ddaed55db19d5647ab9e210f3206b90ab2f026344ae7ec", 0x6e}, {&(0x7f0000001ac0)="01914013c29d935f5c52aa8c5b70af96b685684baccc88cf71912e871afc6b21099b9c9510043fded37e86ece6ea0bd42f046817f16f67f8ea5de95ed10c218ac6650e3f88897485f82b79a238d20be3e92275efdc59ce9ffb405a82b6ce114b6b4e9fb058f747f0fd566ece167c541ad6c16c971bfcf19208609f4256a43d8e2f37220cbda04300b7f13a", 0x8b}, {&(0x7f0000000680)="5044f6c9ca03ca3093f87fd04ea4c7520a80638ea976d0558438ee9cc865596358288601d4af2762c69c6970274fa529eb06028932b8848228a3594233490050559f518f09d7cd1ea093fdd5823616c046e1d39c56c8e41840fa9d0a3def1cd21a6ae07d088d7dff8918225f489a391e6af3dd11022f842b721f3aa10059fb7bcfbd258b5cfe2f4372785b69f26abdfb52a38bed436bef9faf9e4c", 0x9b}, {&(0x7f0000000540)="068a5af0d42783439a81c3183447a843f10882a47e811a206a62224887206b18905e", 0x22}, {&(0x7f0000001d80)="9ebf63f7b295fc11143297558c907d586e06c2657fcdd8947fc4fb21aa35af7436197ea857c28c12a436126dd9b403f119416ca35d6cf55af5942bfb4136a62bc516598338c1faefb7d251099d74977a94a4603aac7ee45edfb81d02c030b2a15c3d26dd88471d9bac22f2628135986a2860aad9c77dbcdfcab6e0fbb55bf8c8", 0x80}, {&(0x7f0000001e00)="6e346bf1645a267cfe6fb78f56f52465675a8e2cf89f444c3704007a931979177d724109c516ed41cca984c5b99a63472b7472e3ec3195a6671f2d78d76ad9e48877d13fe0f176c771aeb64f3b9de1fc3878ce31df9c58c3e7f0e550514b01b8c37ef5ab72e6daa128936d61dd8b57efee47aaa22939444846f539a0ffc245d573a079c42851f592fe5c460592dd09dd0d14e6b4426c8c1eae", 0x99}], 0x8, &(0x7f00000007c0)=ANY=[@ANYBLOB="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0x1208}, 0x0, 0x8081, 0x0, {0x0, r10}}, 0x30) r11 = syz_io_uring_setup(0x15a3, &(0x7f0000001b80), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ffc000/0x1000)=nil, &(0x7f0000000000)=0x0, &(0x7f0000000040)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r8, 0x118, &(0x7f0000000140)=0x307e, 0x0, 0x4) r14 = io_uring_register$IORING_REGISTER_PERSONALITY(r11, 0x9, 0x0, 0x0) syz_io_uring_submit(r12, r13, &(0x7f0000000500)=@IORING_OP_CLOSE={0x13, 0x4, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, {0x0, r14}}, 0x0) io_uring_register$IORING_UNREGISTER_PERSONALITY(0xffffffffffffffff, 0xa, 0x0, r14) r15 = openat$cgroup_netprio_ifpriomap(0xffffffffffffffff, &(0x7f00000000c0), 0x2, 0x0) fcntl$dupfd(r7, 0x406, r15) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x0) 03:37:55 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}], [], 0xf}) [ 438.759458][T27352] loop5: detected capacity change from 0 to 6 [ 438.786635][T27362] loop3: detected capacity change from 0 to 264192 [ 438.786745][T27361] loop1: detected capacity change from 0 to 6 [ 438.799454][T27362] FAT-fs (loop3): bogus number of reserved sectors 03:37:55 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25}, {0x0, 0x2000, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:55 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180), 0x2f606557d6081b8a, 0x0) ioctl$TCSETS(r0, 0x40045431, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0, "8000"}) write$binfmt_aout(r0, &(0x7f00000002c0)=ANY=[@ANYBLOB="9a8454f426972c5dce0c8781fffffffffffffff943dc529d334a23d569576a959ac558d158de0c4ec1721b1f56e98fb93ac29e859a333fa7bad2d8fcf4a69059b5d4ceea612ff34c10005cf7ff8200"/94], 0x8d) ioctl$TCSETA(r0, 0x5406, &(0x7f00000004c0)={0xfff9, 0x0, 0x0, 0xbffa, 0x0, "078cf0251c0e00"}) r1 = syz_open_pts(r0, 0x0) ioctl$TCSETSF(r1, 0x5412, &(0x7f0000000100)={0x25, 0x0, 0x0, 0x0, 0x0, "000000001000000000000010000000001000"}) ioctl$TIOCMBIC(r1, 0x5417, &(0x7f00000000c0)=0x8) r2 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r3, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r3, r4, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100)={0x0, 0x0, 0x1}, &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_open_pts(r1, 0x900) syz_io_uring_submit(r3, r5, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r2, 0x45f5, 0x0, 0x0, 0x0, 0x0) [ 438.805968][T27362] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 438.811029][T27361] FAT-fs (loop1): Unrecognized mount option "" or missing value [ 438.815120][T27362] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:55 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0xff0f0000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 438.866901][T27380] loop0: detected capacity change from 0 to 6 [ 438.876545][ T22] ================================================================== [ 438.884624][ T22] BUG: KCSAN: data-race in n_tty_receive_char_inline / n_tty_receive_char_special [ 438.893819][ T22] [ 438.896137][ T22] write to 0xffffc90012531018 of 8 bytes by task 27379 on cpu 1: [ 438.903845][ T22] n_tty_receive_char_special+0xf36/0x3ac0 [ 438.909648][ T22] n_tty_receive_buf_common+0x191c/0x1e20 [ 438.915362][ T22] n_tty_receive_buf+0x2b/0x40 [ 438.920117][ T22] tty_ioctl+0x968/0x1120 [ 438.924431][ T22] __se_sys_ioctl+0xcb/0x140 [ 438.929005][ T22] __x64_sys_ioctl+0x3f/0x50 [ 438.933576][ T22] do_syscall_64+0x3d/0x90 [ 438.937972][ T22] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 438.943849][ T22] [ 438.946148][ T22] read to 0xffffc90012531018 of 8 bytes by task 22 on cpu 0: [ 438.953493][ T22] n_tty_receive_char_inline+0x4cb/0x680 [ 438.959105][ T22] n_tty_receive_buf_common+0x1893/0x1e20 [ 438.964801][ T22] n_tty_receive_buf2+0x2e/0x40 [ 438.969625][ T22] tty_ldisc_receive_buf+0x5b/0xf0 [ 438.974723][ T22] tty_port_default_receive_buf+0x54/0x80 [ 438.980423][ T22] flush_to_ldisc+0x1c5/0x2c0 [ 438.985074][ T22] process_one_work+0x3e9/0x8f0 [ 438.989906][ T22] worker_thread+0x636/0xae0 [ 438.994470][ T22] kthread+0x262/0x280 [ 438.998515][ T22] ret_from_fork+0x1f/0x30 [ 439.002908][ T22] [ 439.005208][ T22] value changed: 0x000000000000005e -> 0x00000000000000b3 [ 439.012288][ T22] 03:37:55 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x2500000000000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 439.014587][ T22] Reported by Kernel Concurrency Sanitizer on: [ 439.020720][ T22] CPU: 0 PID: 22 Comm: kworker/u4:1 Not tainted 5.13.0-syzkaller #0 [ 439.028681][ T22] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 439.038713][ T22] Workqueue: events_unbound flush_to_ldisc [ 439.044505][ T22] ================================================================== 03:37:55 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}], [], 0x10}) [ 439.063830][T27362] loop3: detected capacity change from 0 to 264192 [ 439.083349][T27389] loop5: detected capacity change from 0 to 6 [ 439.090617][T27362] FAT-fs (loop3): bogus number of reserved sectors [ 439.097134][T27362] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 439.106262][T27362] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:55 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0xfffdffff, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 439.116179][T27394] loop4: detected capacity change from 0 to 225280 [ 439.137402][T27395] loop1: detected capacity change from 0 to 6 [ 439.142896][T27380] FAT-fs (loop0): bogus number of reserved sectors [ 439.150105][T27380] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; DOS 2.x BPB is non-zero [ 439.159586][T27380] FAT-fs (loop0): Can't find a valid FAT filesystem 03:37:55 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x40000800}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 439.167536][T27395] FAT-fs (loop1): Unrecognized mount option "" or missing value [ 439.183403][T27394] FAT-fs (loop4): bogus number of reserved sectors [ 439.189948][T27394] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 439.199070][T27394] FAT-fs (loop4): Can't find a valid FAT filesystem [ 439.200798][T27407] loop5: detected capacity change from 0 to 6 03:37:55 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) r3 = openat$procfs(0xffffffffffffff9c, &(0x7f00000004c0)='/proc/asound/seq/clients\x00', 0x0, 0x0) r4 = syz_io_uring_setup(0x6376, &(0x7f0000000100)={0x0, 0x0, 0x0, 0x0, 0xc8, 0x0, r3}, &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r5, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x0) r6 = dup3(r4, r0, 0x0) r7 = open(&(0x7f0000000200)='./bus\x00', 0x141042, 0x0) sendfile(r7, r7, &(0x7f0000000100)=0x9, 0x8080ffffff80) io_uring_register$IORING_REGISTER_EVENTFD(r6, 0x4, &(0x7f00000000c0)=r7, 0x1) pwritev(r4, &(0x7f00000002c0)=[{&(0x7f0000000180)="331b1c44e5404801cafcc92ed45005c19bdba83ea5b68881517c4ba3ba72fdd8f87070cdf424900874a36bc953aea3e19a3f980818f0126cc80819baee30c7a40b4cb9", 0x43}, {&(0x7f00000003c0)="48e34f63888181baa0c6ab50a87d9ca20069ffa9997d27127b8fa96b8b6fbbd70de908663c4a6fe77883a5f53904fb7712d7a3f59c1f6c839894f3418ceea9a98d3937828fad4f562d8ed86e9642be7ec55d44eb7b28866fca6df8be7d328c4b48853420dafbcf736989a4c039a5e87db2c41f112ecc8b58cd8abfc2147f682582a932a1b51980d674e9973ffb0259907be4d3ac500fcfdbaea0bb47ea40cf4900d8ac7827ac2ef8dc56fb6e6e3182a6b47cd57e9553fe7c369f7bcec39ba78ed7e96b97f006e9227256cba5b10d7e4699c650", 0xd3}, {&(0x7f0000000580)="7300c9f46c955f9134077a2862bf5b6a58838cea880a00b1d60e531a0cc1b05f8983d615c86926ffe4b7ab5c1eb5a6089a6cfa5842c4ded64706085e95966113927ba8f37dbb83ca919ac9b0644b855c5ad6cbc9958abb138c26f034a9216f92ee8093c47f3ada4b7a30768c81717e51fdd4ade6e86cc131d60982f833f62493f9bbb31d8850270b7526f44bd17f3c0f985d3313756343e353d9ce38c4fa81258e91dbd90bd29d1b5c2aafc0db6708db182ac54a35e01665450c23250969b67ffc72fb210b678c1eaf", 0xc9}, {&(0x7f0000000680)="d5b0977f5a8f7b13e64ee82b66870a744117a172c9ef2c8c39d3e65a3ae07c18f4e0ccb480c8330bdef995030ffddb344077163b6ee99ac52fa6f8830ae0761477f130290f3185703f924cc0396959575026fb6ad482be73d2d2e991cdbeb00c6d2d59a0f633c7fabef881761551ba45c142d5a88fafb02d745f08c4169007d25a5ec53563983c44ce26fa2980191c1b2cb0ee3fcf57aec3390558b0381c2e64d814ebc34191", 0xa6}, {&(0x7f0000000240)="1742f2", 0x3}], 0x5, 0x921, 0x5) 03:37:55 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}], [], 0x11}) [ 439.238162][T27412] loop3: detected capacity change from 0 to 264192 [ 439.259203][T27412] FAT-fs (loop3): bogus number of reserved sectors [ 439.265795][T27412] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 439.274935][T27412] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:55 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0xffffe000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:55 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x3f00000000000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:55 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}], [], 0x12}) [ 439.312566][T27422] loop1: detected capacity change from 0 to 6 [ 439.338581][T27422] FAT-fs (loop1): Unrecognized mount option "" or missing value [ 439.367294][T27442] loop5: detected capacity change from 0 to 6 [ 439.376382][T27445] loop4: detected capacity change from 0 to 12288 [ 439.385067][T27445] FAT-fs (loop4): bogus number of reserved sectors [ 439.391809][T27445] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 439.400933][T27445] FAT-fs (loop4): Can't find a valid FAT filesystem 03:37:56 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25}, {0x0, 0x2010, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:56 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0xfffffdf9, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 439.416928][T27412] loop3: detected capacity change from 0 to 264192 [ 439.431534][T27412] FAT-fs (loop3): bogus number of reserved sectors [ 439.438052][T27412] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 439.447181][T27412] FAT-fs (loop3): Can't find a valid FAT filesystem [ 439.450980][T27458] loop1: detected capacity change from 0 to 6 [ 439.487471][T27458] FAT-fs (loop1): Unrecognized mount option "" or missing value [ 439.496097][T27464] loop0: detected capacity change from 0 to 6 [ 439.516159][T27466] loop5: detected capacity change from 0 to 6 [ 439.524142][T27464] FAT-fs (loop0): bogus number of reserved sectors 03:37:56 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x48000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:56 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x4000000000000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 439.530687][T27464] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; DOS 2.x BPB is non-zero [ 439.539991][T27464] FAT-fs (loop0): Can't find a valid FAT filesystem [ 439.542646][T27478] loop4: detected capacity change from 0 to 4096 [ 439.552001][T27480] loop3: detected capacity change from 0 to 264192 [ 439.561487][T27480] FAT-fs (loop3): bogus number of reserved sectors [ 439.568076][T27480] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 439.577274][T27480] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:56 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100)={0x0, 0x0, 0x1}, &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x0) 03:37:56 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x4c000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 439.580006][T27478] FAT-fs (loop4): bogus number of reserved sectors [ 439.590385][T27478] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 439.599515][T27478] FAT-fs (loop4): Can't find a valid FAT filesystem 03:37:56 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}], [], 0x22}) 03:37:56 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0xfffffdfd, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:56 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25}, {0x0, 0x2128, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 439.649039][T27502] loop3: detected capacity change from 0 to 225280 [ 439.674700][T27511] loop5: detected capacity change from 0 to 6 [ 439.686302][T27502] FAT-fs (loop3): bogus number of reserved sectors [ 439.692257][T27512] loop1: detected capacity change from 0 to 6 03:37:56 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340)={0x0, 0x0, 0x0, 0x0, 0x2}, &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) mmap$IORING_OFF_SQ_RING(&(0x7f0000ff2000/0x1000)=nil, 0x1000, 0x0, 0x4010, r0, 0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(0x0, 0x11c, &(0x7f0000000140)=0x209, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x0, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x1}, 0x8) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_PROVIDE_BUFFERS={0x1f, 0x0, 0x0, 0x7, 0x3, &(0x7f0000000180)="2a23ac570c4e52f3cdf279fd2991a70dd6f5919611e3d332042ba8521385c44ac1c8010004bed141b729d31c0a394206cf77d32962b0d9bae140036c37813a868b0380571d2cd243c881942905ed3a25dcb248beca02057bd2256c860baf5658bc4d2838362d8ca9d92eb82f30fa427fda881a46c35b4137ce3ab62fbe8b363a258874754617a729972a1627a9e7e9bbf43ba4c6d97c1dba7d117807", 0x2, 0x0, 0x1, {0x3}}, 0x739) shutdown(0xffffffffffffffff, 0x1) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x0) [ 439.692844][T27502] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 439.708001][T27502] FAT-fs (loop3): Can't find a valid FAT filesystem [ 439.709627][T27517] loop0: detected capacity change from 0 to 6 [ 439.722025][T27512] FAT-fs (loop1): Unrecognized mount option """ or missing value 03:37:56 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x4000080000000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:56 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0xfffffdff, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 439.749893][T27517] FAT-fs (loop0): bogus number of reserved sectors [ 439.756418][T27517] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; DOS 2.x BPB is non-zero [ 439.765717][T27517] FAT-fs (loop0): Can't find a valid FAT filesystem 03:37:56 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}], [], 0x25}) 03:37:56 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) r3 = pidfd_getfd(0xffffffffffffffff, r0, 0x0) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_TEE={0x21, 0x0, 0x0, @fd=r0, 0x0, 0x0, 0x6, 0x8, 0x1, {0x0, 0x0, r3}}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r4, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x0) [ 439.809653][T27537] loop5: detected capacity change from 0 to 6 [ 439.821922][T27541] loop4: detected capacity change from 0 to 264192 03:37:56 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0xffffff7f, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 439.860144][T27541] FAT-fs (loop4): bogus number of reserved sectors [ 439.866711][T27541] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 439.872023][T27550] loop1: detected capacity change from 0 to 6 [ 439.875834][T27541] FAT-fs (loop4): Can't find a valid FAT filesystem [ 439.888238][T27550] FAT-fs (loop1): Unrecognized mount option "%" or missing value 03:37:56 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25}, {0x0, 0x2200, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 439.913707][T27502] loop3: detected capacity change from 0 to 225280 [ 439.929502][T27563] loop5: detected capacity change from 0 to 6 [ 439.934427][T27565] loop0: detected capacity change from 0 to 6 [ 439.942203][T27502] FAT-fs (loop3): bogus number of reserved sectors [ 439.948733][T27502] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code 03:37:56 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x60000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 439.957887][T27502] FAT-fs (loop3): Can't find a valid FAT filesystem [ 439.966068][T27565] FAT-fs (loop0): bogus number of reserved sectors [ 439.972628][T27565] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; DOS 2.x BPB is non-zero [ 439.982003][T27565] FAT-fs (loop0): Can't find a valid FAT filesystem 03:37:56 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x4800000000000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:56 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}], [], 0x48}) 03:37:56 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0xffffff85, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 440.049718][T27580] loop3: detected capacity change from 0 to 264192 [ 440.060791][T27580] FAT-fs (loop3): bogus number of reserved sectors [ 440.066261][T27588] loop4: detected capacity change from 0 to 264192 [ 440.067304][T27580] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 440.074508][T27589] loop5: detected capacity change from 0 to 6 [ 440.082912][T27580] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:56 executing program 2: syz_io_uring_setup(0x7e20, &(0x7f0000000340)={0x0, 0x0, 0x10, 0x0, 0xfffffffd}, &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)) syz_memcpy_off$IO_URING_METADATA_GENERIC(r0, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) r1 = syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r0, r2, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) r3 = mmap$IORING_OFF_CQ_RING(&(0x7f0000ffb000/0x3000)=nil, 0x3000, 0x1000009, 0x110, 0xffffffffffffffff, 0x8000000) syz_io_uring_setup(0x289, &(0x7f0000000200)={0x0, 0xbb3b, 0x1, 0x0, 0xfffffffe}, &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280)=0x0, &(0x7f0000000040)=0x0) r6 = open(&(0x7f0000000400)='./bus\x00', 0x1145042, 0x0) syz_io_uring_submit(r4, r5, &(0x7f00000001c0)=@IORING_OP_WRITE={0x17, 0x0, 0x0, @fd=r6, 0x0, &(0x7f00000002c0)='x', 0x1}, 0x0) socketpair(0x1, 0x3, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) sendmmsg(r7, &(0x7f0000000300)=[{{0x0, 0x0, 0x0}}, {{0x0, 0x0, &(0x7f00000000c0)=[{0x0}, {0xfffffffffffffffe}], 0x2}}], 0x2, 0x0) r8 = perf_event_open(&(0x7f0000000100)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x20000000, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r9 = syz_io_uring_setup(0x15a3, &(0x7f0000000080), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ffc000/0x1000)=nil, &(0x7f0000000000)=0x0, &(0x7f0000000040)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r10, 0x40, &(0x7f0000000140)=0x307e, 0x0, 0x4) r12 = io_uring_register$IORING_REGISTER_PERSONALITY(r9, 0x9, 0x0, 0x0) syz_io_uring_submit(r10, r11, &(0x7f0000000500)=@IORING_OP_CLOSE={0x13, 0x4, 0x0, r8, 0x0, 0x0, 0x0, 0x0, 0x0, {0x0, r12}}, 0x0) syz_io_uring_submit(r3, r5, &(0x7f00000000c0)=@IORING_OP_CLOSE={0x13, 0x0, 0x0, r7, 0x0, 0x0, 0x0, 0x0, 0x0, {0x0, r12}}, 0x1408) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) syz_open_dev$vcsa(&(0x7f0000000180), 0xd6c6, 0x80) io_uring_enter(r1, 0x45f5, 0x0, 0x0, 0x0, 0x0) 03:37:56 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100)={0x0, 0x0, 0x0, 0x0, 0x31b}, &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x0) [ 440.089786][T27590] loop1: detected capacity change from 0 to 6 [ 440.103384][T27588] FAT-fs (loop4): bogus number of reserved sectors [ 440.109955][T27588] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 440.119079][T27588] FAT-fs (loop4): Can't find a valid FAT filesystem [ 440.121398][T27590] FAT-fs (loop1): Unrecognized mount option "H" or missing value 03:37:56 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x4c00000000000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:56 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0xffffff8c, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 440.164165][T27580] loop3: detected capacity change from 0 to 264192 [ 440.175021][T27580] FAT-fs (loop3): bogus number of reserved sectors [ 440.181571][T27580] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 440.190823][T27580] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:56 executing program 2: r0 = syz_io_uring_setup(0x10007e1f, &(0x7f0000000340)={0x0, 0x0, 0x8, 0x0, 0x216}, &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x5675, 0x0, 0x0, 0x0, 0x0) 03:37:56 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25}, {0x0, 0x2500, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:56 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}], [], 0x4c}) [ 440.263049][T27627] loop5: detected capacity change from 0 to 6 [ 440.265138][T27625] loop4: detected capacity change from 0 to 264192 [ 440.278045][T27625] FAT-fs (loop4): bogus number of reserved sectors [ 440.284601][T27625] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 440.293714][T27625] FAT-fs (loop4): Can't find a valid FAT filesystem [ 440.306293][T27632] loop0: detected capacity change from 0 to 6 03:37:56 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x68000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:56 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x6000000000000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 440.315762][T27637] loop1: detected capacity change from 0 to 6 [ 440.322420][T27632] FAT-fs (loop0): bogus number of reserved sectors [ 440.328961][T27632] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; DOS 2.x BPB is non-zero [ 440.336351][T27637] FAT-fs (loop1): Unrecognized mount option "L" or missing value [ 440.338240][T27632] FAT-fs (loop0): Can't find a valid FAT filesystem 03:37:57 executing program 2: r0 = io_uring_setup(0x6b33, &(0x7f0000000180)={0x0, 0xc22d, 0x2, 0x1, 0xa9}) r1 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340)={0x0, 0x0, 0x0, 0x3, 0x0, 0x0, r0}, &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000fff000/0x1000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r2, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r2, r3, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280)=0x0, &(0x7f0000000040)=0x0) syz_io_uring_submit(r2, r5, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r1, 0x45f5, 0x0, 0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) syz_io_uring_submit(r4, r3, &(0x7f0000000240)=@IORING_OP_SEND={0x1a, 0x2, 0x0, r6, 0x0, &(0x7f00000003c0)="3357358ca6c324f97242c2d4ad243109ea099ff85c52597d00ade3aa78a7d9c10b461a269ba06aac7fd1bda401ab101cb12319ea2e0aba63c5cbb407e4a3e2b9d3c57a8e054408605211e81bdf35a9734aa1d76daaed6d3d96a339e9f06404a5b9549e3380afc108f9daa9355d6a27518873bca8826b6f5e692589cc7458803bfb2385379f563a0b4870435b2bc142cc4fad5b3f7d4e2ab5", 0x98, 0x40}, 0x4) 03:37:57 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) r4 = syz_io_uring_setup(0x21e8, &(0x7f0000000180)={0x0, 0x2c8c, 0x8, 0x1, 0x36c, 0x0, r0}, &(0x7f0000ff4000/0x4000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f00000000c0)=0x0, &(0x7f0000000200)) syz_memcpy_off$IO_URING_METADATA_GENERIC(r5, 0x9c, &(0x7f0000000240)=0x2f1f, 0x0, 0x4) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x0) r6 = signalfd(r4, &(0x7f00000002c0)={[0x80]}, 0x8) ioctl$sock_SIOCSIFVLAN_DEL_VLAN_CMD(r6, 0x8983, &(0x7f0000000300)={0x1, 'bridge_slave_1\x00', {}, 0xfff}) 03:37:57 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}], [], 0x60}) [ 440.361819][T27646] loop3: detected capacity change from 0 to 264192 [ 440.370574][T27646] FAT-fs (loop3): bogus number of reserved sectors [ 440.377155][T27646] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 440.386288][T27646] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:57 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0xffffff90, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 440.443236][T27677] loop1: detected capacity change from 0 to 6 [ 440.450909][T27646] loop3: detected capacity change from 0 to 264192 [ 440.455537][T27677] FAT-fs (loop1): Unrecognized mount option "`" or missing value [ 440.457623][T27673] loop4: detected capacity change from 0 to 264192 [ 440.466659][T27681] loop5: detected capacity change from 0 to 6 03:37:57 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25}, {0x0, 0x27ff, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 440.487356][T27646] FAT-fs (loop3): bogus number of reserved sectors [ 440.493918][T27646] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 440.503144][T27646] FAT-fs (loop3): Can't find a valid FAT filesystem [ 440.508681][T27687] loop0: detected capacity change from 0 to 6 [ 440.515558][T27673] FAT-fs (loop4): bogus number of reserved sectors [ 440.522328][T27673] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 440.531450][T27673] FAT-fs (loop4): Can't find a valid FAT filesystem [ 440.543563][T27687] FAT-fs (loop0): bogus number of reserved sectors [ 440.550133][T27687] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; DOS 2.x BPB is non-zero [ 440.559426][T27687] FAT-fs (loop0): Can't find a valid FAT filesystem 03:37:57 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0xffffff97, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:57 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000200)={0x0, 0x0, 0x0, 0xfffffffe, 0x3b2}, &(0x7f0000773000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000300)=0x0, &(0x7f0000000180)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_setup(0x289, &(0x7f0000000100)={0x0, 0xbb3b, 0x1, 0xfffffffd}, &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280)=0x0, &(0x7f0000000040)=0x0) r6 = open(&(0x7f0000000400)='./bus\x00', 0x1145042, 0x0) syz_io_uring_submit(r4, r5, &(0x7f00000001c0)=@IORING_OP_WRITE={0x17, 0x0, 0x0, @fd=r6, 0x0, &(0x7f00000002c0)='x', 0x1}, 0x0) syz_io_uring_submit(r4, r3, &(0x7f0000002780)=@IORING_OP_SENDMSG={0x9, 0x0, 0x0, r6, 0x0, &(0x7f0000001680)={0x0, 0x0, &(0x7f00000003c0)=[{&(0x7f0000000340)="cc3de0d0c6ca44b760e7add548dd0debedc83dbea826b076935eda969bfa3cd9a2650459e3df826036649ca98a074750559f64c37022ef229d280eebc491f138c793c3113d30f5185876d56149bbb7e8957df56061126b2181b7ce496f028a2d93b71e8d7d3eab8891664f2f7214d757749b12abda549ba8a404", 0x7a}, {&(0x7f0000000440)="7e6755885be0c1972c2590ae7ce8a82e2975f88436c90a23cb7666b023d4af2ee9a416f7def860d8b55e0692a2286527206257b3d6eaae4dc4b6658b9ce4ad0003dc9837ad4cb6f18a76359e7f104e1cf85cb62bd304b270a80bcde9c96abca743d9a22746a298b7e78669ca8a89b9b167b87d43af55fe52e4b4be6c4a8c3f48286a32b7e222bcd0caaec7102dee6b0701fc5866a8e17b0ab797a5822a9aa66d4a074047638a0baf33786d2aab92c66fb9ebeba77b6785f5e6a0", 0xba}], 0x2, &(0x7f0000000540)=[{0x1010, 0x6, 0x5, "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"}, {0x78, 0x117, 0x8, "e0802c78bb317b1eb3835b4daac5ff6b38c1f720a165727e7c5e872128eb510ffb3b74178f5046fc5a4f8ce592dd111d9eb7543b943f51d6cd46be69be988baa23d6bc82dbc3e5094b0e3705605162d87fb48d631410e30dcb5d57b9e2012f42d1e91e90"}, {0xb0, 0x0, 0x1ff, "c52df27047a074ddfd24670ff0be0521780aa323ffbdfc2745aa2e7cb5761180792725be5e1359a33fe6ffd3fce6ed9880d0a88ff7e2c4e1b883da8ee7ca2a9203d2098bd5021f8367067b20310daa4ec6f62fb2d7d8b2781065dea2019e3ab5dba0d70b2ca92ac0215929aa72a70b9623a7fc4466286df7d949ac3c5bbb34621059bafa71fb7ea3a89b94a0a11ffc04b0b664a14f5d4a9d27f548"}], 0x1138}, 0x0, 0x8010}, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x0) syz_io_uring_setup(0x289, &(0x7f0000000100)={0x0, 0xbb3b, 0x1}, &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280)=0x0, &(0x7f0000000040)=0x0) r9 = open(&(0x7f0000000400)='./bus\x00', 0x1145042, 0x0) syz_io_uring_submit(r7, r8, &(0x7f00000001c0)=@IORING_OP_WRITE={0x17, 0x0, 0x0, @fd=r9, 0x0, &(0x7f00000002c0)='x', 0x1}, 0x0) r10 = mmap$IORING_OFF_SQES(&(0x7f0000ffc000/0x4000)=nil, 0x4000, 0x0, 0xd4c3af629cb590f0, r0, 0x10000000) r11 = perf_event_open(&(0x7f0000000100)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x20000000, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r12 = syz_io_uring_setup(0x15a3, &(0x7f0000000080), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ffc000/0x1000)=nil, &(0x7f0000000000)=0x0, &(0x7f0000000040)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r13, 0x40, &(0x7f0000000140)=0x307e, 0x0, 0x4) r15 = io_uring_register$IORING_REGISTER_PERSONALITY(r12, 0x9, 0x0, 0x0) syz_io_uring_submit(r13, r14, &(0x7f0000000500)=@IORING_OP_CLOSE={0x13, 0x4, 0x0, r11, 0x0, 0x0, 0x0, 0x0, 0x0, {0x0, r15}}, 0x0) syz_io_uring_submit(r7, r10, &(0x7f00000000c0)=@IORING_OP_FALLOCATE={0x11, 0x3, 0x0, @fd_index, 0x51f, 0x0, 0x0, 0x0, 0x0, {0x0, r15}}, 0xfff) 03:37:57 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}], [], 0x68}) 03:37:57 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x6c000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:57 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x6800000000000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 440.662788][T27708] loop5: detected capacity change from 0 to 6 [ 440.663695][T27704] loop1: detected capacity change from 0 to 6 [ 440.688827][T27704] FAT-fs (loop1): Unrecognized mount option "h" or missing value 03:37:57 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25}, {0x0, 0x2821, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 440.707138][T27721] loop4: detected capacity change from 0 to 204800 03:37:57 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0xffffffda, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 440.747534][T27721] FAT-fs (loop4): bogus number of reserved sectors [ 440.754090][T27721] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 440.763217][T27721] FAT-fs (loop4): Can't find a valid FAT filesystem 03:37:57 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340)={0x0, 0x806ccd}, &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f00000000c0)=0x0, &(0x7f0000000100)=0x0) r3 = syz_io_uring_setup(0x15a3, &(0x7f0000000080), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ffc000/0x1000)=nil, &(0x7f0000000000)=0x0, &(0x7f0000000040)) syz_memcpy_off$IO_URING_METADATA_GENERIC(r4, 0x40, &(0x7f0000000140)=0x307e, 0x0, 0x4) r5 = io_uring_register$IORING_REGISTER_PERSONALITY(r3, 0x9, 0x0, 0x0) syz_io_uring_submit(r4, 0x0, &(0x7f0000000500)=@IORING_OP_CLOSE={0x13, 0x4, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, {0x0, r5}}, 0x0) syz_io_uring_submit(0x0, 0x0, &(0x7f0000000400)=@IORING_OP_OPENAT2={0x1c, 0x5, 0x0, 0xffffffffffffffff, &(0x7f0000000300)={0x402300, 0x4, 0x1d}, &(0x7f00000003c0)='./bus\x00', 0x18, 0x0, 0x12345, {0x0, r5}}, 0x3) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) r6 = syz_io_uring_setup(0x1b51, &(0x7f0000000180)={0x0, 0xf10e, 0x8, 0x2, 0x345, 0x0, r3}, &(0x7f0000ff8000/0x3000)=nil, &(0x7f0000ee7000/0x1000)=nil, &(0x7f0000000240), &(0x7f0000000480)) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_READV=@use_registered_buffer={0x1, 0x3, 0x2007, @fd=r6, 0x3ff, 0x0, 0x0, 0x13, 0x1, {0x2}}, 0x1ff) r7 = syz_io_uring_complete(r1) mmap$IORING_OFF_SQES(&(0x7f0000ff7000/0x3000)=nil, 0x3000, 0x1000000, 0x30, r7, 0x10000000) syz_io_uring_setup(0x1e01, &(0x7f0000000100)={0x0, 0x0, 0x10, 0x0, 0x0, 0x0, r7}, &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000440)=0x0) syz_io_uring_submit(r1, r8, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) memfd_create(&(0x7f0000001800)='\x00', 0xb6629c4544637b91) preadv(0xffffffffffffffff, &(0x7f0000001b40)=[{&(0x7f0000000600)=""/132, 0x84}, {&(0x7f0000001900)=""/48, 0x30}, {&(0x7f0000001940)=""/19, 0x13}, {&(0x7f0000001980)=""/168, 0xa8}, {&(0x7f0000001a40)=""/237, 0xed}], 0x5, 0x35d3, 0x1006d) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) r9 = open(&(0x7f0000000200)='./bus\x00', 0x141042, 0x0) sendfile(r9, r9, &(0x7f0000000100)=0x9, 0x8080ffffff80) mmap$IORING_OFF_SQES(&(0x7f0000ffe000/0x1000)=nil, 0x1000, 0x200000c, 0x13, r9, 0x10000000) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x0) 03:37:57 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}], [], 0x6c}) [ 440.793743][T27735] loop0: detected capacity change from 0 to 6 [ 440.800598][T27736] loop3: detected capacity change from 0 to 208896 [ 440.813403][T27735] FAT-fs (loop0): bogus number of reserved sectors [ 440.819997][T27735] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; DOS 2.x BPB is non-zero [ 440.829295][T27735] FAT-fs (loop0): Can't find a valid FAT filesystem 03:37:57 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x6c00000000000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 440.838682][T27736] FAT-fs (loop3): bogus number of reserved sectors [ 440.845237][T27736] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 440.849390][T27748] loop5: detected capacity change from 0 to 6 [ 440.854370][T27736] FAT-fs (loop3): Can't find a valid FAT filesystem [ 440.870690][T27749] loop1: detected capacity change from 0 to 6 03:37:57 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x74000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:57 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25}, {0x0, 0x3300, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 440.904197][T27749] FAT-fs (loop1): Unrecognized mount option "l" or missing value [ 440.915366][T27753] loop4: detected capacity change from 0 to 172032 03:37:57 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0xfffffff6, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 440.955491][T27773] loop3: detected capacity change from 0 to 204800 [ 440.963924][T27753] FAT-fs (loop4): bogus number of reserved sectors [ 440.970510][T27753] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 440.979627][T27753] FAT-fs (loop4): Can't find a valid FAT filesystem [ 440.982657][T27777] loop5: detected capacity change from 0 to 6 [ 440.997779][T27773] FAT-fs (loop3): bogus number of reserved sectors 03:37:57 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}], [], 0x74}) 03:37:57 executing program 2: mount$bind(&(0x7f0000000180)='./bus\x00', &(0x7f0000000200)='./bus\x00', &(0x7f0000000240), 0x808800, 0x0) r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x0) syz_io_uring_setup(0x289, &(0x7f0000000100)={0x0, 0xbb3b, 0x1}, &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280)=0x0, &(0x7f0000000040)=0x0) r6 = open(&(0x7f0000000400)='./bus\x00', 0x1145042, 0x0) syz_io_uring_submit(r4, r5, &(0x7f00000001c0)=@IORING_OP_WRITE={0x17, 0x0, 0x0, @fd=r6, 0x0, &(0x7f00000002c0)='x', 0x1}, 0x0) syz_io_uring_submit(r4, r2, &(0x7f00000000c0)=@IORING_OP_REMOVE_BUFFERS={0x1f, 0x5, 0x0, 0xac7, 0x0, 0x0, 0x0, 0x0, 0x0, {0x3}}, 0x9) [ 441.004413][T27773] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 441.013610][T27773] FAT-fs (loop3): Can't find a valid FAT filesystem [ 441.023058][T27785] loop0: detected capacity change from 0 to 6 [ 441.030272][T27786] loop1: detected capacity change from 0 to 6 [ 441.041699][T27785] FAT-fs (loop0): bogus number of reserved sectors [ 441.046085][T27786] FAT-fs (loop1): Unrecognized mount option "t" or missing value 03:37:57 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0xfffffffd, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:57 executing program 2: r0 = pidfd_getfd(0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000180), 0xffffffffffffffff) r2 = socket(0x200000000000011, 0x2, 0x0) ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000080)={'sit0\x00', 0x0}) setsockopt$packet_int(r2, 0x107, 0x14, &(0x7f0000000100)=0x6, 0x4) bind$packet(r2, &(0x7f0000000200)={0x11, 0x0, r3, 0x1, 0x0, 0x6, @link_local}, 0x14) sendmsg$ETHTOOL_MSG_RINGS_GET(r0, &(0x7f0000000300)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)={0xb4, r1, 0x300, 0x70bd2b, 0x25dfdbff, {}, [@HEADER={0x30, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth0_macvtap\x00'}]}, @HEADER={0x64, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'ip6tnl0\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth0_virt_wifi\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'team_slave_1\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r3}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'macvtap0\x00'}]}, @HEADER={0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}]}]}, 0xb4}, 0x1, 0x0, 0x0, 0x4}, 0x0) r4 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ffc000/0x4000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r5, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r5, r6, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r5, r7, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r4, 0x45f5, 0x0, 0x0, 0x0, 0x0) [ 441.048274][T27785] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; DOS 2.x BPB is non-zero [ 441.065275][T27785] FAT-fs (loop0): Can't find a valid FAT filesystem [ 441.089951][T27799] loop5: detected capacity change from 0 to 6 03:37:57 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x7400000000000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:57 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}], [], 0x7a}) 03:37:57 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0xfffffffe, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 441.111229][T27773] loop3: detected capacity change from 0 to 204800 [ 441.123210][T27773] FAT-fs (loop3): bogus number of reserved sectors [ 441.129759][T27773] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 441.138893][T27773] FAT-fs (loop3): Can't find a valid FAT filesystem [ 441.144673][T27816] loop4: detected capacity change from 0 to 106496 03:37:57 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x0) syz_io_uring_setup(0x289, &(0x7f0000000100)={0x0, 0xbb3b, 0x1}, &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280)=0x0, &(0x7f0000000040)=0x0) r6 = open(&(0x7f0000000400)='./bus\x00', 0x1145042, 0x0) syz_io_uring_submit(r4, r5, &(0x7f00000001c0)=@IORING_OP_WRITE={0x17, 0x0, 0x0, @fd=r6, 0x0, &(0x7f00000002c0)='x', 0x1}, 0x0) shutdown(r6, 0x1) syz_io_uring_submit(r4, r2, &(0x7f00000000c0)=@IORING_OP_EPOLL_CTL=@del={0x1d, 0x3}, 0x8001) [ 441.190417][T27826] loop5: detected capacity change from 0 to 6 [ 441.196610][T27816] FAT-fs (loop4): bogus number of reserved sectors [ 441.203142][T27816] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 441.212347][T27816] FAT-fs (loop4): Can't find a valid FAT filesystem [ 441.227328][T27829] loop1: detected capacity change from 0 to 6 03:37:57 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25}, {0x0, 0x3f00, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:57 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x7a000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 441.257240][T27829] FAT-fs (loop1): Unrecognized mount option "z" or missing value 03:37:57 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x1000000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:57 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x7a00000000000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:58 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}], [], 0xfe}) [ 441.307942][T27847] loop0: detected capacity change from 0 to 6 [ 441.326090][T27847] FAT-fs (loop0): bogus number of reserved sectors [ 441.332691][T27847] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; DOS 2.x BPB is non-zero [ 441.341972][T27847] FAT-fs (loop0): Can't find a valid FAT filesystem [ 441.388732][T27864] loop4: detected capacity change from 0 to 57344 [ 441.390028][T27862] loop3: detected capacity change from 0 to 69632 [ 441.396244][T27865] loop5: detected capacity change from 0 to 6 [ 441.407630][T27866] loop1: detected capacity change from 0 to 6 [ 441.414024][T27864] FAT-fs (loop4): bogus number of reserved sectors [ 441.420561][T27864] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 441.425445][T27866] FAT-fs (loop1): Unrecognized mount option "þ" or missing value 03:37:58 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) r3 = creat(&(0x7f00000001c0)='./bus\x00', 0x0) fcntl$setstatus(r3, 0x4, 0x6800) lseek(r3, 0x4200, 0x0) r4 = open(&(0x7f0000000700)='./bus\x00', 0x0, 0x0) sendfile(r3, r4, 0x0, 0x8400fffffffb) syz_io_uring_submit(0x0, 0x0, &(0x7f00000001c0)=@IORING_OP_WRITE={0x17, 0x0, 0x0, @fd, 0x0, &(0x7f00000002c0)='x', 0x1}, 0x0) r5 = perf_event_open(&(0x7f0000000100)={0x1, 0x80, 0x16, 0x79, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x20000000, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x8000}, 0x0, 0x8, 0xffffffffffffffff, 0x0) r6 = syz_io_uring_setup(0x15a3, &(0x7f0000000080), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ffc000/0x1000)=nil, &(0x7f0000000000)=0x0, &(0x7f0000000040)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r7, 0x40, &(0x7f0000000140)=0x307e, 0x0, 0x4) r9 = io_uring_register$IORING_REGISTER_PERSONALITY(r6, 0x9, 0x0, 0x0) syz_io_uring_submit(r7, r8, &(0x7f0000000500)=@IORING_OP_CLOSE={0x13, 0x4, 0x0, r5, 0x0, 0x0, 0x0, 0x0, 0x0, {0x0, r9}}, 0x0) syz_io_uring_submit(0x0, r2, &(0x7f0000000180)=@IORING_OP_READ=@use_registered_buffer={0x16, 0x0, 0x6000, @fd=r3, 0x200, 0x0, 0x0, 0x15, 0x0, {0x2, r9}}, 0x3) r10 = openat$full(0xffffffffffffff9c, &(0x7f00000000c0), 0x10000, 0x0) syz_io_uring_setup(0x1e7a, &(0x7f0000000100)={0x0, 0x80000, 0x4, 0x100003, 0xe1, 0x0, r10}, &(0x7f0000771000/0x3000)=nil, &(0x7f0000ff6000/0x4000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r11, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x0) 03:37:58 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x7fffffffffffffff}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 441.429770][T27864] FAT-fs (loop4): Can't find a valid FAT filesystem [ 441.453197][T27862] FAT-fs (loop3): bogus number of reserved sectors [ 441.459753][T27862] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 441.468858][T27862] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:58 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x8000000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 441.512264][T27888] loop4: detected capacity change from 0 to 8191 [ 441.532942][T27862] loop3: detected capacity change from 0 to 69632 [ 441.541234][T27888] FAT-fs (loop4): bogus number of reserved sectors [ 441.547783][T27888] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code 03:37:58 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25}, {0x0, 0x4000, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:58 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}], [], 0xff}) [ 441.556969][T27888] FAT-fs (loop4): Can't find a valid FAT filesystem [ 441.566351][T27862] FAT-fs (loop3): bogus number of reserved sectors [ 441.572905][T27862] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 441.582010][T27862] FAT-fs (loop3): Can't find a valid FAT filesystem [ 441.602417][T27903] loop5: detected capacity change from 0 to 6 03:37:58 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x83030000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 441.604895][T27912] loop0: detected capacity change from 0 to 6 [ 441.616121][T27912] FAT-fs (loop0): bogus number of reserved sectors [ 441.622679][T27912] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; DOS 2.x BPB is non-zero [ 441.631965][T27912] FAT-fs (loop0): Can't find a valid FAT filesystem 03:37:58 executing program 2: r0 = syz_io_uring_setup(0x7e1d, &(0x7f0000000340)={0x0, 0x10000113, 0x1}, &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) io_uring_enter(r0, 0x1b5c, 0xf33e, 0x5, &(0x7f0000000200)={[0x9151]}, 0x8) syz_io_uring_setup(0x289, &(0x7f0000000100)={0x0, 0xbb3b, 0x1}, &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280)=0x0, &(0x7f0000000040)=0x0) r6 = open(&(0x7f0000000400)='./bus\x00', 0x1145042, 0x0) syz_io_uring_submit(r4, r5, &(0x7f00000001c0)=@IORING_OP_WRITE={0x17, 0x0, 0x0, @fd=r6, 0x0, &(0x7f00000002c0)='x', 0x1}, 0x0) r7 = mmap$IORING_OFF_SQES(&(0x7f0000ff7000/0x9000)=nil, 0x9000, 0xd, 0x20010, r0, 0x10000000) socketpair(0x1, 0x3, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) sendmmsg(r8, &(0x7f0000000300)=[{{0x0, 0x0, 0x0}}, {{0x0, 0x0, &(0x7f00000000c0)=[{0x0}, {0xfffffffffffffffe}], 0x2}}], 0x2, 0x0) r9 = perf_event_open(&(0x7f0000000100)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x20000000, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r10 = syz_io_uring_setup(0x15a3, &(0x7f0000000080), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ffc000/0x1000)=nil, &(0x7f0000000000)=0x0, &(0x7f0000000040)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r11, 0x40, &(0x7f0000000140)=0x307e, 0x0, 0x4) r13 = io_uring_register$IORING_REGISTER_PERSONALITY(r10, 0x9, 0x0, 0x0) syz_io_uring_submit(r11, r12, &(0x7f0000000500)=@IORING_OP_CLOSE={0x13, 0x4, 0x0, r9, 0x0, 0x0, 0x0, 0x0, 0x0, {0x0, r13}}, 0x0) syz_io_uring_submit(r4, r7, &(0x7f00000000c0)=@IORING_OP_CONNECT={0x10, 0x2, 0x0, r8, 0x80, &(0x7f0000000180)=@l2={0x1f, 0x9, @fixed={'\xaa\xaa\xaa\xaa\xaa', 0x11}, 0x8}, 0x0, 0x0, 0x1, {0x0, r13}}, 0x2) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x1, 0x0, 0x49) 03:37:58 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x80000000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 441.658926][T27919] loop1: detected capacity change from 0 to 6 [ 441.665755][T27919] FAT-fs (loop1): Unrecognized mount option "ÿ" or missing value 03:37:58 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) socketpair(0x1, 0x3, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) sendmmsg(r1, &(0x7f0000000300)=[{{0x0, 0x0, 0x0}}, {{0x0, 0x0, &(0x7f00000000c0)=[{0x0}, {0xfffffffffffffffe}], 0x2}}], 0x2, 0x0) ftruncate(r1, 0x93) openat$nvram(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x20, 0x0, 0x8, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}]}, 0x20}, 0x1, 0x0, 0x0, 0xc040}, 0x40001) ioctl$F2FS_IOC_GARBAGE_COLLECT_RANGE(r0, 0x4018f50b, &(0x7f00000000c0)={0x0, 0x7fff, 0x3ff}) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x0, &(0x7f0000000080)=ANY=[@ANYBLOB="006f13a7abc38ab32b7d101614ee75548cf39a1d6e378efdd0507eb590ccae8de0a37ea5a5aaac1f4e827e630e4fda8645b9857885b8d81b813f10fbae"]) [ 441.719981][T27927] loop3: detected capacity change from 0 to 131840 [ 441.725509][T27941] loop5: detected capacity change from 0 to 6 [ 441.749754][T27927] FAT-fs (loop3): bogus number of reserved sectors [ 441.756292][T27927] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code 03:37:58 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25}, {0x0, 0x4800, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:58 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x85ffffff00000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:58 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340)={0x0, 0x0, 0x0, 0x2}, &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000773000/0x2000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) socketpair(0x1, 0x3, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg(r3, &(0x7f0000000300)=[{{0x0, 0x0, 0x0}}, {{0x0, 0x0, &(0x7f00000000c0)=[{0x0}, {0xfffffffffffffffe}], 0x2}}], 0x2, 0x0) mmap(&(0x7f0000ffc000/0x2000)=nil, 0x2000, 0x2000000, 0x180010, r3, 0x4af1c000) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r5, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x0) sendmmsg(0xffffffffffffffff, &(0x7f0000000300)=[{{0x0, 0x0, 0x0}}, {{0x0, 0x0, &(0x7f00000000c0)=[{0x0}, {0xfffffffffffffffe}], 0x2}}], 0x2, 0x0) accept4$packet(r4, &(0x7f0000000440)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @dev}, &(0x7f0000000480)=0x14, 0x0) syz_io_uring_submit(0x0, 0x0, &(0x7f0000000580)=@IORING_OP_CONNECT={0x10, 0x2, 0x0, 0xffffffffffffffff, 0x80, &(0x7f00000004c0)=@xdp={0x2c, 0x5, r6, 0x36}, 0x0, 0x0, 0x1}, 0x6) r7 = openat$cgroup_ro(0xffffffffffffffff, &(0x7f0000000180)='cpuacct.usage_all\x00', 0x0, 0x0) r8 = openat$cgroup_type(0xffffffffffffffff, &(0x7f00000001c0), 0x2, 0x0) epoll_ctl$EPOLL_CTL_MOD(r7, 0x3, r8, &(0x7f0000000200)) r9 = socket$inet(0x2, 0x5, 0x0) socketpair(0x1, 0x3, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) sendmmsg(r10, &(0x7f0000000300)=[{{0x0, 0x0, 0x0}}, {{0x0, 0x0, &(0x7f00000000c0)=[{0x0}, {0xfffffffffffffffe}], 0x2}}], 0x2, 0x0) sendmmsg$sock(r9, &(0x7f0000004cc0)=[{{&(0x7f0000000800)=@l2={0x1f, 0x30, @any, 0xff, 0x1}, 0x80, &(0x7f0000000900)=[{&(0x7f0000000880)="f17cbc2952842e171b69e74062d653730f14e2dbed85c1037cd0db9164061936b0d39ed0a556ca05945c02315d0f73fc6bd22c2c91548cc045ab2b7afeb901df08e15d029b26764974dcf663215ac0a858107556404a3f92e331aca1813b6d08a986", 0x62}, {&(0x7f0000000500)}], 0x2, &(0x7f0000000940)=[@txtime={{0x18, 0x1, 0x3d, 0x3ff}}, @timestamping={{0x14, 0x1, 0x25, 0x989}}, @mark={{0x14, 0x1, 0x24, 0x8}}, @timestamping={{0x14, 0x1, 0x25, 0x3f6}}, @txtime={{0x18, 0x1, 0x3d, 0x5}}, @mark={{0x14, 0x1, 0x24, 0xb002}}, @timestamping={{0x14, 0x1, 0x25, 0x9}}, @txtime={{0x18, 0x1, 0x3d, 0xfffffffffffff001}}, @txtime={{0x18}}], 0xd8}}, {{&(0x7f0000000a40)=@hci={0x1f, 0xffffffffffffffff}, 0x80, &(0x7f0000000e80)=[{&(0x7f0000000ac0)="e5807b55f15526f6ee9db97ed04cef3f2985745fc100fc", 0x17}, {&(0x7f0000000b00)="6964f5c1c739f3130499eff9a53528a416fd87565bdc424317c57caa69135f45f05ba968803e7ac232a9551a0101b50ed57d8e1637eed4a3d1e98104a86bc7096a389f84b58a77418227d5dc0e3bef747c26cc52c80652cd02436aaf0bbb9ab4b47ded303dcf2939819e5080483641ecc73cf345f5d0d5abf8cce17642eb032f4ec2c659813dbf41388e8d51725af91e17fa12831c65e65395073062e673c9158e41b9853a05013c746b22820de40eb19088b8f80e", 0xb5}, {&(0x7f0000000bc0)="89b46821cab16887e381d5229e63d8207ade1ea5d65c72d2824be5a40e75569fc89476cdd0046bdc85ef74b82c721017c172ef48c75e4839ee9e0e33317270e989449eaf86b3ebcf8892e0fba45fb3a65ca22f134b", 0x55}, {&(0x7f0000000c40)="c579d6478f4ac350ac7ab1fd299378319810a8fb09e4b573acd34130cca870e9ac1927bae415b2c09b3d5e309b73f31ea7", 0x31}, {&(0x7f0000000c80)="f02f872c3ee0d8762708acbc1175ea597f654caf71e371754f165a928f68b700201274a8dbd6fa3d2187163954ee44b1455996998eb3af63f04dc550cfd029e914bac001959f9895d83468c059a147f4709ca7a7829b64e1c5816fdbfa057fd3869835c1e4f90e4a98974668e53398848ace62046dd17a957f78b63bdd21dc45b85378d7cf876e6900d392c5897ea74c6b133fce839b38df4d2e6ce729c2962536f2a703414acfe3d57a8bcd59c5eda6bfde1650a2d6c0803290f2001129ae7786f3d625374c5417af349f28", 0xcc}, {&(0x7f0000000d80)="c3cf821f8bf3b25b1d30755c242ffc26af46b58196039afdb813e2c49842ea7da84f3a5f3e75fab9", 0x28}, {&(0x7f0000000dc0)="9f246bcec4d2d2c9962e168d9384268911ad9d77c48e0c19b4fb8b00e0d56ec7be15200636b1927378514861dc16ab78ba719017be12dc63558b6e5881635080cd0695fe56c5efbf1cc843e4cdb165a55c9acd5de661d7e85d92eb16a34001a03ed2f8f825fc7ee8dd29ce5878721cb4f6ec02c65748d9d8653705", 0x7b}, {&(0x7f0000000e40)="05324bfbe5d264d653b308e4a2be52c3ccc0647e78d167d2158e", 0x1a}], 0x8, &(0x7f0000000f00)=[@txtime={{0x18}}, @timestamping={{0x14, 0x1, 0x25, 0x6}}, @timestamping={{0x14, 0x1, 0x25, 0x10000}}, @txtime={{0x18, 0x1, 0x3d, 0xffff}}, @mark={{0x14, 0x1, 0x24, 0x6b9}}, @txtime={{0x18, 0x1, 0x3d, 0x7}}, @mark={{0x14, 0x1, 0x24, 0x5}}, @mark={{0x14, 0x1, 0x24, 0x5}}, @mark={{0x14, 0x1, 0x24, 0x3d}}], 0xd8}}, {{&(0x7f0000001000)=@pppol2tpv3in6={0x18, 0x1, {0x0, r10, 0x3, 0x0, 0x4, 0x0, {0xa, 0x4e24, 0x1ffc0, @private1={0xfc, 0x1, '\x00', 0x1}, 0xf}}}, 0x80, &(0x7f0000002500)=[{&(0x7f0000001080)="63d1001e1d707735f29d6842b8654d3cb70fb973ad6cbfff91912e1e5d95f51f1271f8961ed65ddc73bd9b5f80d107f02b971698524b9fe1fb7c72e2dc54120079d945a1d88f162794c5cc9a7831e5895385b7fbf0bc6b23ace10e54b7628a6dae43f5", 0x63}, {&(0x7f0000001100)="c6e1408c981374e294ababf132ffbba6fd77d31f4840ce19a8a999676f8e3e416abcaaa118953fad7cb5c1aee5c75dc2af3f87870b46fda80aa429b0cc02bba53cfe6a1cf21331a1f337ee6a25c68946bc6b9f323933e497c22a9f4fdda026d758b975d7bf2611ce803aba05449f8343c97cc8fcb8f77bc7dc85f094bbcbfade6e47ada12a2f05a010e7f7d963a000e59b1eb008aaee2f4e4f4231461dd232a31823010a1ccf6c6e733c78680d0f4e74b2961017d227b91d7cfc", 0xba}, {&(0x7f00000011c0)="d129970ac342b5392120079bed473973cb0c3eb16c9aa334a56a228b3769f9a591eaf383be565e6269a14381d53f1b30ae5bd7cadb2c4a9d2e8c68c6217f992d95d6715825e4c1997e2d7a02492e7b8ffebfde12715780c823deeb5335333f1c42cad05eda21aa", 0x67}, {&(0x7f0000001240)="afc852223f04933a30a7725b1ab95aeef3854b1e32b67b68dbf4b6c26719db7e4136fa17ffdfe36591c83b3a272ac8b4ddacc214379691075f287441a3d7ea60fcd7c5571470535855ac39e31a6a7cd9633ec5f806148e9efebd5dbbcdba8ecb0e368305752d71630bcefe8bf8892445b92c05d20d475bbec5001ecd27d323dd9e7ef22b9f978eb14ed261ff08f1623b35cec607a9852e52dc9827d10cec76ba67797f43e1b5823f279e4986d2c5138fd97c4a7138a8cf27af7a937838f31b", 0xbf}, {&(0x7f0000001300)="bde48a331df02d69879eae8d5f7667a6e4a6403a4d1ed30dbc78958d5693d9a57e31390cda019571e9b713dff614239a15ba2712aed41dbb862ff2df48f4e5db7fcc4ad86e8d6ab25956948c9c8bd2af412c67e0dc2351573c3827b5318bd47dd8d1d62da737d4fea098d0bcd13d08afe53e0d25779d", 0x76}, {&(0x7f0000001380)="c8d33b9eab498958", 0x8}, {&(0x7f00000013c0)="513705d7fb948ae3a60409a6712cc7a2ae95c21156dafcb0aa2a5518ff73ddcd72514e3d44e4c614b737d5b36033d278e917a00a381b7d0cbac638f01a70f7d3d1a17b31a050065bb8bba0c81e420840be650a074839be2e0331bb7089cc4b4909711c5861248a04673d96ec6a13ffadb061ad6e4ceab102cbb49fc17423d5d8a9b5c2cd2b9b222723699433a803025d65c109506b91bb7ef9ceeaa41e4cb34f88c1d1691dd34abc467410d62cd5990b36720c58b39ef03400feaf10e14e2df21fec8589552a63974a6a801c447872dbc361102809b8b9fe2ddf0ca7ef5c5c163cb4ed2c8486d656419a52f6fd72fe6b031890f9e361324eea4b4052dd60cd0be456b09dc98990f61989fe7fbc98d089012295dff9a554c1a255cc5bc8b0315bdddf3c356d7194569e9eafa137322958364d450400acfea193f86dd0cb5f13b5dd7adfdb45604546c19872fa05520689db31c9f0734328f1bbb492652033b25c98141143ea62a43a08666f806890e0dae7082e7a132fde18d0767419f2df417011bc2facfa4573d54784e0a593816b30966fb5e09b536f4604c1e7875e489b900eb3936b5074831db92f9cb0abc8d2e2a2645af83b2abfc077aded8f1a0e8b1b4a5d1055df856404c4d97af98219f7fd19ce6718028d1d7edd3ae13d01cfab8fccf0cb97c7b84518759486f14d2f96a93510c1aaa41a132ce91b40d027377ed96d998979b1f74128630ee5550c04727be0021136ccbc69d9ebfe647d4c06703f166bd4ef368e32f04d74050d8730910e7e2e37796e9526c6e1731b88720e60d1900a4ce69cd068d0df9ba7530ed8848a5309ede8a4189be4f10a21cbae4d8857c0e108c585fd26cff6c45a0492e8d560f15b26681ee7124e655d7f6ef4465e532c3546735fda439550a529d44dc4582a88b1c668c878512e9b7f75fb158b553cd111a05531a1ae2701a58a05c966885af518bbdba50ea3864e759f267cf611db53bebcbb1dc62f27fe0d9957a319bc3b7cf8cc5d4090872fb8639bee1d57f1a0b2dc9c92b424b541e7726e8941042c1151d641372982363ee75f38a43d017f1f6b067adf7eefd75aa0faf26ca5c042b54b79f23d17a12b4127121ec7a43af79168668b66602f54b3436b1ba9f6bee234a12794dea7f08c5fd05a1cf46ae446cdc26b5bbbff44eb6860336919fa707963e921043047ce1f531b20ed85b3dbe469e003a6b771340eb46ef08ade637fd78a7a56c1026ad9bfc925c22023b5c443b3402e9193d9b23db1ec14feb7a11e9e94a07239461f5d7cd68ebd76f433607935a5678d0bc80dbe12c60e7a7b4d1c15306d9b021398599369dc940aab387bc3206e075ca63d4949abedbef507b65dd1f8e48238d0ebfbdfff9d72278c37e48acdf7aca5c6a2b466ceb398082f6f8887881068bc37e5236bba03cff9ccd1dd943bc5e44191acaca0f06d8410e46d0fe32284c5ffb50a3db04e078e890c7a31dc8c135cced2c37ba5ef1ba10ca0e09b371060cf7f8ef47eae31ed24a81c78a24eae246dbf5c96ec0901f4564b6924018d7bdd841600d61371d483a1049150794ae6fd739ab52788f782610176fa8a2657c56bf13a7373da0df9b2d36ed6e4d4beeef54f45f7909cca0c3e2ad0a85346d2c1e277a7ff2800781f24089d70c501ef2f9eed58d616882d5c72361084cdb7ebcc3f9250312363f2b01de8da29c8d674d51276608711bf29892d36999d930edcb47b94707a8d5098ae096c2cea4d14b0fd2d2af597aa2f912fa5c74675508f0f127fbd146d3ef4e2014e29941ebbc4c4599ab1bdedd9934b6c5f8dd5c2335a378a5380c0e6a04f32ee650daa8ddb7eeb37e041811c7c3965af5ba1e52c26366c5985dfba0f624aab5d53b68f2af8d23ceaecfc6233b3a9bf96a35baeea20a5b49f8566a4e8decd2af0612dfb896ba320f982576494efad6d12ce760daa51922f965ff0b1b25653c91e9580c81a3481b8bf2bf7589ba3c78d5165cd7c6594c70860158a2dece81dfc9a675a1f3a8c9914952d3d33a7431368d9538e2298e13e65d950a21ea0a536db497c60bbc45fb220ccd0e549c166321860a0a7c63da89f60ee2cd378cb60d0884e4c4e5a4e61d6c21ce20d27492dcb0284c30724ce08eca8516f677015f526061fec1bbc79d5cac5b47a0cc8dc7bfd07a810c8a4e13ad0f532f49cc556476cfd27006a380d3ef67aa592b026fe30eafa20ac5b1460eaac77cfb919116d175b390321822d1d11b00464052aa55cc3c8195ff65ce5ffb27f5a4c52a93348571e64c2659d2880c7b5e07983c6f751947fbd9874721168994ec5a4bf810d6ed2a0fb75a0588287db2e1f42f32ec2742efc43e4c0a121a9b66c92188faa854c1a51f87b760deaf507e3752dcdd4e6c4d8f11ff0f0b3c4433b1a15f21a433d09bbb5e8ec7a571f72122c25624ceb5845289cb83d4af25b45ebb7778cbd0b59bc9c732ccb330e7eab12678d563d71cb09682bddc6791cf6ad953498a494890c4f4aa6ea268d6178e9cff71c473fc83e879d23827856fd9f8a31c1970447ca3eec406dad2490eaf26cb8aea507a85423d61570f62b5d9908cc1c1baaf639022ab44ec898038dd94562749baaa5faafb1bb9ca98adeca68f77eac21c383221998e451a5ca68888a7ba0c477d8f4fe10970ddca28ac4503a5f5bdafe4034fa43ad98a0c76e23a51effece68485a6e5419d89a8374f57168685a8be4787a422ad3d25bed95a969b4fcb197bf2577f15f2de38f6dae79cd724f70b9bbc82fa9372bdc59103e1801eeb3d2fe75c13974a7ed72db629c7b7628801710542c28553fe9dae99f2bb4dbd130d8fc6a376a38316a6fc832ac59199b07312721ac7a3e16b5eb32764c5452198578347a9c9c5e1c7305063b3803eb5b0f95a2834d06dea5d68e3bd796dfed911c2ff3c528d67ea908ca41e58cd4dcc57289a0c199dd2db212084a69dbf4279b7e869a2de388d03604c587f504d5c0bb1a74d4f1dec1a0c6bc4a7e1a2c877f986e2cd4872d63d90ebf613e1584edb312c6cb571baaacc91c366de79d9c98b2e89489e5155a3d2e42141de829be71b7eba7eea995d543fc0f7aeb5e5e23a71d943a39759c2ac8dcfc70a01eed83850f3814f7e98d63fa928493a35565b9c4d39ffa4bec17b3606c18bc351444e9c55f32f54d67eac01d31858eda9cdb29e670fe50fdd9f2484b5b41572cbabdcd77befdebcc3fc59bc064e0863c14e7ca63b9e83a57bf5e7489478c72f37a44655b6f8e5dc929d5c9ce3091fd0eb054b9ffa96d4220c864e971d5842a3907f76b6b7f13457adb6b4de4b72434d28184a23015c4a023a029a70da43a62b88b08364385e70657d9d3a83cc1610b096fe6a77dbbd849b77456c642ce24af262cb631b1e759911138edf771d08cfd736818e7ddfc62398246416c25221b4997b4f70052725365565b9fc4cdcd40fd690a61b9f74f4c31df38543034fee71b24a5e6fc004d9d1c150b81c46cea767ac5ba6b940c0db6e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0x1000}, {&(0x7f0000004580)="464865eb18f6be05345e3bf0a4e22a0df19f55f36f99ec085d9a52f2b53505d1a39ccb991af631af9bf772921cf3cd31ef50b86fb6b4df85c6c28e3dcca6138df01da8bf93fe901b978a7eccae56165f910dd3004a72453f760342cb3f24f08e55456fc6627516b9e42b294b0b13b6ffbe61aa763c4e86a62aa43251b918bd2a235d863887b0a91d28e678a758dfce006782857e0a00de96fd9719244be73e75f514c98903602f5591f0712302a97f073af4a02f5fb80e9b2e9e31", 0xbb}, {&(0x7f0000004640)="815fa94ccad5798a768df0a058068356b0fe91312eda8ffacc92383b577095520b6e59190597acddd346cc2c85d1837528", 0x31}, {&(0x7f0000004680)="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", 0xfa}], 0x7}}, {{0x0, 0x0, &(0x7f0000004bc0)=[{&(0x7f0000004800)="fc57487397dd28fc6d9e5f4d9645689c039da6165e4a61b2abe43875f62c58c6a303cc8ea7ee9af7a1f73395cdc09626eff28715f0674798f9adf58ae256f64927edc73d70b070bb6af5866cd3cb5339099de661813ccc297341caa2fcf31c89d980db0f0d7f058d9ed8ec6cf1e31c88eab6a052ac7c7bc2a2ac2fbf269fc510412d233c0c09e2a0aaa31eb1dbdfa265e44485dbb518afe51462961121db5501527806626259157e1532e4dd7f3b04c5ec3460c98cd2d39883ad7fd92ef375ee7d0f87bf625c80c4c5691aa1e7b644479f762b2e690e9417c96eda63cfa8d4", 0xdf}, {&(0x7f0000004900)="3cc8ceab9b728f2e8b9b71102ad9e97b70771e5b42f12edbc1828f266331f2b2eede1f66479691a41eaa9611e422e35c869e05874f4cfe171e66878be698fcbbac4144fd7b", 0x45}, {&(0x7f0000004980)="65971e42f62d402e79597e4846a17bf8a83127ffef71b6eabf194d2bbfb72d4bb963e3fb5b8ef605c10e0a9d36413fe01ec2eece50e499b6d2c4d64cb0af1b1d43ccbe27115d72eb83254ac5116e18bcef467e2d62c36c5326ba11568db37fdfda272697263fb9393e9045d6fff9df3c3aeca30e2a81bd6c2b3bcdb7057b6bd464e3fe21cd6b4062bc4f893813350ec6dc7f951b0cc4a83aac7e095ed09c9d35e17f484bc50925b1bef74e1051eedda5a15d78b380929bcb8f4c6bbc0503e1a9a16600604398b57fe1d34f0ff52742dfbda8f8776960a99770b8cbeb31", 0xdd}, {&(0x7f0000004a80)="78a7257d590073729e471c18ec8cc0a4368e80174ee53757e16a09d145a970622764909ff2dc4d1d60b3aa65d2917b5d2b183cc0a4c1f49924ee23c81d4294fd204c10dae6a180fd0c8f47bf717d9763edb67e7cdb58e53e7859eb3299a4e09e2db407576b53823fcc310f37fe5c93539239f817eeb5613e792a14e4bcb3664b52bd07145452b6f368162158ef8761756abc7d1de04e2c8176af41b59269ef66a80db7f647341ea4", 0xa8}, {&(0x7f0000004b40)="9ae079bd367760d61aaaa6eb1b71c9ce8ec6b20efa32ce63b2a4f67b498d59fb84207349cdf4081f0e5b063648edca0031b1fc92fc577c3c1a1965d721a645651aa1196677bbc34156619511bbe1432c648e0b5926bd3ce3fc3d55950a61fc8b9e84b446d981a69a9a6bd60ffb3100a39ddcb2f6db451d45", 0x78}], 0x5, &(0x7f0000004c40)=[@txtime={{0x18, 0x1, 0x3d, 0x4}}, @txtime={{0x18, 0x1, 0x3d, 0x40}}, @txtime={{0x18, 0x1, 0x3d, 0x80000000}}, @timestamping={{0x14, 0x1, 0x25, 0xfffffffb}}], 0x60}}], 0x9, 0x4015) [ 441.765423][T27927] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:58 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0xedc000000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 441.804665][T27954] loop1: detected capacity change from 0 to 6 [ 441.812649][T27954] FAT-fs (loop1): bogus number of reserved sectors [ 441.819186][T27954] FAT-fs (loop1): Can't find a valid FAT filesystem [ 441.824025][T27957] loop0: detected capacity change from 0 to 6 [ 441.835731][T27958] loop4: detected capacity change from 0 to 90112 [ 441.863579][T27927] loop3: detected capacity change from 0 to 131840 [ 441.865604][T27957] FAT-fs (loop0): bogus number of reserved sectors [ 441.874282][T27969] loop1: detected capacity change from 0 to 6 [ 441.876604][T27957] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; DOS 2.x BPB is non-zero [ 441.876618][T27957] FAT-fs (loop0): Can't find a valid FAT filesystem [ 441.888016][T27958] FAT-fs (loop4): bogus number of reserved sectors [ 441.905043][T27958] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 441.907813][T27927] FAT-fs (loop3): bogus number of reserved sectors [ 441.914214][T27958] FAT-fs (loop4): Can't find a valid FAT filesystem [ 441.920713][T27927] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 441.936402][T27927] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:58 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) mmap$IORING_OFF_SQES(&(0x7f0000ff4000/0x3000)=nil, 0x3000, 0x1, 0x30, r0, 0x10000000) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x0) 03:37:58 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x1000000000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 441.960321][T27980] loop5: detected capacity change from 0 to 6 [ 441.966743][T27969] FAT-fs (loop1): bogus number of reserved sectors [ 441.973272][T27969] FAT-fs (loop1): Can't find a valid FAT filesystem 03:37:58 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25}, {0x0, 0x4c00, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:58 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x85ffffff}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:58 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x2010, r0, 0x0) lstat(&(0x7f0000000100)='./file0\x00', &(0x7f0000000140)) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x3}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) creat(&(0x7f0000000080)='./file0\x00', 0x18) 03:37:58 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x8703000000000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 442.057306][T28005] loop5: detected capacity change from 0 to 6 03:37:58 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x2000000000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 442.130080][T28012] loop0: detected capacity change from 0 to 6 [ 442.138808][T28020] loop4: detected capacity change from 0 to 264192 [ 442.146606][T28020] FAT-fs (loop4): bogus number of reserved sectors [ 442.146710][T28019] loop3: detected capacity change from 0 to 264192 [ 442.153136][T28020] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 442.153147][T28020] FAT-fs (loop4): Can't find a valid FAT filesystem 03:37:58 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_mount_image$tmpfs(&(0x7f00000000c0), &(0x7f0000000180)='./file0\x00', 0x4, 0x0, &(0x7f0000000200), 0x4, &(0x7f0000000700)=ANY=[@ANYBLOB="7569643d19b0d677ceff7b319d2e7b12f056ae79a59bb70c41a4629048062af07b2f1c08d5923069f886f609990c389c249baf7117cf63caddcb68d7ebe2980529e911e70770e6d9a1c0f2fe02edb4c1ba1ba7210207ac7de614a78dcc75d16feda9381ebbb8a45a9dec8a11c5efd120bef1c9c3855aa3dc67ec3cb424e01eb2d932dadc1aa4b5c090f1a89fc62764c635f8e5b08a7ab177ab8a9d73ad2cf0f8ba80ee1c0f00793607f646db4543341330d9035eb970f33e2ee7112bc7deb0b0976a10519b3ab650022d5061fe1acc43b5c20decabf6dcacb7a9810f4b23b04e38f59c2300bf91559ed20c964266e1495a", @ANYRESHEX=0xee00, @ANYBLOB="2c687567653d777bfb0e04e12ec611e60b70e8cbee6bf179707206d3697468696e83daa04bf9d2ad902553", @ANYRES64=r3, @ANYBLOB=',huge=advise,subj_user=\x00,\x00']) r4 = syz_open_dev$vcsu(&(0x7f00000003c0), 0x8, 0x0) r5 = perf_event_open(&(0x7f0000000100)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x20000000, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r6 = syz_io_uring_setup(0x15a3, &(0x7f0000000080), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ffc000/0x1000)=nil, &(0x7f0000000000)=0x0, &(0x7f0000000040)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r7, 0x40, &(0x7f0000000140)=0x307e, 0x0, 0x4) r9 = io_uring_register$IORING_REGISTER_PERSONALITY(r6, 0x9, 0x0, 0x0) syz_io_uring_submit(r7, r8, &(0x7f0000000500)=@IORING_OP_CLOSE={0x13, 0x4, 0x0, r5, 0x0, 0x0, 0x0, 0x0, 0x0, {0x0, r9}}, 0x0) r10 = perf_event_open(&(0x7f0000000100)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x20000000, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r11 = syz_io_uring_setup(0x15a3, &(0x7f0000000080), &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ffc000/0x1000)=nil, &(0x7f0000000000)=0x0, &(0x7f0000000040)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r12, 0x40, &(0x7f0000000140)=0x307e, 0x0, 0x4) r14 = io_uring_register$IORING_REGISTER_PERSONALITY(r11, 0x9, 0x0, 0x0) syz_io_uring_submit(r12, r13, &(0x7f0000000500)=@IORING_OP_CLOSE={0x13, 0x4, 0x0, r10, 0x0, 0x0, 0x0, 0x0, 0x0, {0x0, r14}}, 0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_STATX={0x15, 0x2, 0x0, r4, &(0x7f0000000400), &(0x7f0000000240)='./file0\x00', 0x100, 0x400, 0x0, {0x0, r14}}, 0x739) io_uring_register$IORING_UNREGISTER_PERSONALITY(0xffffffffffffffff, 0xa, 0x0, r9) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x0) 03:37:58 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x7ffffffffffff, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 442.177078][T28012] FAT-fs (loop0): bogus number of reserved sectors [ 442.177392][T28023] loop5: detected capacity change from 0 to 6 [ 442.183616][T28012] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; DOS 2.x BPB is non-zero [ 442.183631][T28012] FAT-fs (loop0): Can't find a valid FAT filesystem [ 442.206009][T28019] FAT-fs (loop3): bogus number of reserved sectors [ 442.212549][T28019] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 442.221680][T28019] FAT-fs (loop3): Can't find a valid FAT filesystem 03:37:58 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x8cffffff00000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 442.262803][T28036] tmpfs: Bad value for 'uid' [ 442.269191][T28038] loop1: detected capacity change from 0 to 6 [ 442.281509][T28040] loop5: detected capacity change from 0 to 6 [ 442.300771][T28038] FAT-fs (loop1): bogus number of reserved sectors [ 442.307292][T28038] FAT-fs (loop1): This looks like a DOS 1.x volume, but isn't a recognized floppy size (6 sectors) [ 442.317773][T28049] loop4: detected capacity change from 0 to 32768 [ 442.317993][T28038] FAT-fs (loop1): Can't find a valid FAT filesystem [ 442.332789][T28019] loop3: detected capacity change from 0 to 264192 [ 442.342412][T28019] FAT-fs (loop3): bogus number of reserved sectors [ 442.347954][T28058] tmpfs: Bad value for 'uid' [ 442.348963][T28019] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code 03:37:59 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0x40000000000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:59 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x8cffffff}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 442.362642][T28019] FAT-fs (loop3): Can't find a valid FAT filesystem [ 442.377043][T28049] FAT-fs (loop4): bogus number of reserved sectors [ 442.383659][T28049] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 442.392786][T28049] FAT-fs (loop4): Can't find a valid FAT filesystem 03:37:59 executing program 2: r0 = syz_io_uring_setup(0x807e21, &(0x7f0000000340)={0x0, 0x3497, 0x1}, &(0x7f0000ee7000/0x2000)=nil, &(0x7f000076f000/0x3000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000}, 0x0) syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r3, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) syz_io_uring_setup(0x3b61, &(0x7f0000000180)={0x0, 0x68e6, 0x20, 0x0, 0x312}, &(0x7f0000ff6000/0x1000)=nil, &(0x7f0000ff9000/0x1000)=nil, &(0x7f00000000c0), &(0x7f0000000200)) set_mempolicy(0x1, &(0x7f0000000000)=0x3f, 0x6) io_uring_enter(r0, 0x45f5, 0x0, 0x0, 0x0, 0x0) 03:37:59 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25}, {0x0, 0x6000, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 442.447427][T28077] loop5: detected capacity change from 0 to 6 [ 442.480914][T28078] loop3: detected capacity change from 0 to 258047 [ 442.481071][T28063] loop1: detected capacity change from 0 to 6 03:37:59 executing program 4: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x97ffffff00000000}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:59 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c", 0x2}, {0x0, 0x0, 0x600}], 0xe0ffff00000000, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) [ 442.493310][T28078] FAT-fs (loop3): bogus number of reserved sectors [ 442.500011][T28078] FAT-fs (loop3): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 442.509134][T28078] FAT-fs (loop3): Can't find a valid FAT filesystem [ 442.514548][T28092] loop0: detected capacity change from 0 to 6 [ 442.523079][T28063] FAT-fs (loop1): bogus number of reserved sectors [ 442.529625][T28063] FAT-fs (loop1): This looks like a DOS 1.x volume, but isn't a recognized floppy size (6 sectors) [ 442.540305][T28063] FAT-fs (loop1): Can't find a valid FAT filesystem [ 442.574141][T28102] loop4: detected capacity change from 0 to 264192 [ 442.580900][T28103] loop5: detected capacity change from 0 to 6 [ 442.599438][T28092] FAT-fs (loop0): bogus number of reserved sectors [ 442.604253][T28102] FAT-fs (loop4): bogus number of reserved sectors [ 442.605953][T28092] FAT-fs (loop0): This doesn't look like a DOS 1.x volume; DOS 2.x BPB is non-zero [ 442.605966][T28092] FAT-fs (loop0): Can't find a valid FAT filesystem [ 442.628351][T28102] FAT-fs (loop4): This doesn't look like a DOS 1.x volume; no bootstrapping code [ 442.637463][T28102] FAT-fs (loop4): Can't find a valid FAT filesystem 03:37:59 executing program 3: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000640)=[{&(0x7f0000000400)="eb3c90", 0x25, 0x97ffffff}, {0x0, 0x0, 0x600}], 0x0, &(0x7f00000000c0)={[{@fat=@dos1xfloppy}]}) 03:37:59 executing program 2: r0 = syz_io_uring_setup(0x7e1f, &(0x7f0000000340)={0x0, 0xffffffff}, &(0x7f0000ee7000/0x2000)=nil, &(0x7f0000ff2000/0xe000)=nil, &(0x7f0000000540)=0x0, &(0x7f0000000100)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x40, &(0x7f0000000140)=0x9, 0x0, 0x4) syz_io_uring_submit(r1, r2, &(0x7f0000000080)=@IORING_OP_MADVISE={0x19, 0x2, 0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0x2000, 0xf}, 0xc) r3 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) setsockopt$inet6_group_source_req(r3, 0x29, 0x2b, &(0x7f0000000100)={0x0, {{0xa, 0x0, 0x0, @ipv4={'\x00', '\xff\xff', @local}}}, {{0xa, 0x0, 0x0, @dev}}}, 0x108) r4 = syz_io_uring_setup(0x6376, &(0x7f0000000100), &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280), &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r5, &(0x7f0000002780)=@IORING_OP_REMOVE_BUFFERS, 0x739) syz_io_uring_setup(0x289, &(0x7f0000000100)={0x0, 0xbb3b, 0x1}, &(0x7f0000771000/0x3000)=nil, &(0x7f0000ffa000/0x3000)=nil, &(0x7f0000000280)=0x0, &(0x7f0000000040)=0x0) r8 = open(&(0x7f0000000400)='./bus\x00', 0x1145042, 0x0) io_uring_enter(r8, 0x5284, 0x8eeb, 0x1, &(0x7f0000000580)={[0xad7]}, 0x8) r9 = mmap$IORING_OFF_SQ_RING(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x2000006, 0x13, r0, 0x0) r10 = io_uring_register$IORING_REGISTER_PERSONALITY(r4, 0x9, 0x0, 0x0) syz_io_uring_submit(r9, r2, &(0x7f00000003c0)=@IORING_OP_RECV=@pass_buffer={0x1b, 0x1, 0x0, r8, 0x0, &(0x7f0000000440)="19ba2e93381267d8354b61f409cdc18fff77d633ded6c68a044bd155ab98703d8e01b88d082855d72d1fbfb696fce4488481dfd1de5e7801f848636e5863f940d332fde43ddfa73088f2c7da6c2bf11cd4fe635681362c3d2578c3d5586e5de6a2694273a55ecb40d5165a077dd49517955eb213c4db01f8c5cb08d8aa4a17fcaa9ba7d10add40cf2fdf771ee9f522f126f4da1a01d126dfc932fb4ed4b14c56038a65172c6f8cf1df48907b59d551dbe0048553c220e933a5564813342ec43e4f31d148d13face22a6bee2a776f291d74d6902c428245d413058bbac950dc14ee3738af19a4b33598a6e13474f792af107759f4f8ca024a", 0xf8, 0x102, 0x0, {0x0, r10}}, 0x7) syz_io_uring_submit(r6, r7, &(0x7f00000001c0)=@IORING_OP_ASYNC_CANCEL={0xe, 0x0, 0x0, 0x0, 0x0, 0x23456, 0x0, 0x0, 0x0, {0x0, r1