loop0: detected capacity change from 0 to 2048 hpfs: Unknown parameter '1844674407370955161518446744073709551615|[fETَlmPME C' loop0: detected capacity change from 0 to 40427 ======================================================= WARNING: The mand mount option has been deprecated and and is ignored by this kernel. Remove the mand option from the mount to silence this warning. ======================================================= F2FS-fs (loop0): Invalid log_blocksize (268), supports only 12 F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock F2FS-fs (loop0): invalid crc value F2FS-fs (loop0): f2fs_check_nid_range: out-of-range nid=1, run fsck to fix. loop0: lost filesystem error report for type 5 error -117 F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 0 F2FS-fs (loop0): Try to recover 1th superblock, ret: -30 F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 loop0: detected capacity change from 40427 to 0 F2FS-fs (loop0): Try to recover all the superblocks, ret: -5 ------------[ cut here ]------------ !(flags & __GFP_NOWARN) WARNING: mm/slub.c:7144 at __kvmalloc_node_noprof+0x793/0x820 mm/slub.c:7144, CPU#0: syz.0.0/5357 Modules linked in: CPU: 0 UID: 0 PID: 5357 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 RIP: 0010:__kvmalloc_node_noprof+0x793/0x820 mm/slub.c:7144 Code: ff 48 c7 c7 70 e1 29 90 48 89 de e8 d7 52 f9 02 e9 1b fc ff ff 48 c7 c7 b0 e1 29 90 48 89 de e8 c3 52 f9 02 e9 4c fc ff ff 90 <0f> 0b 90 31 db e9 06 fe ff ff 90 0f 0b 90 e9 55 ff ff ff 49 83 7f RSP: 0018:ffffc9000e1bfae0 EFLAGS: 00010246 RAX: 0000000000000100 RBX: 0000000000000000 RCX: 8000000000000001 RDX: 0000008000000000 RSI: ffffffff8c8eba60 RDI: ffffffff8c8eba20 RBP: 00000000ffffffff R08: 00000000000028c0 R09: 00000000ffffffff R10: dffffc0000000000 R11: fffffbfff237c858 R12: 0000008000000000 R13: 00000000000028c0 R14: 0000001000000000 R15: ffffffff866e97a9 FS: 00007f3e9284b6c0(0000) GS:ffff88808a9f4000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00002000000a4b40 CR3: 0000000044e20000 CR4: 0000000000352ef0 Call Trace: init_udmabuf drivers/dma-buf/udmabuf.c:193 [inline] udmabuf_create+0x2d9/0xf10 drivers/dma-buf/udmabuf.c:386 udmabuf_ioctl_create drivers/dma-buf/udmabuf.c:465 [inline] udmabuf_ioctl+0x1f3/0x300 drivers/dma-buf/udmabuf.c:496 vfs_ioctl fs/ioctl.c:52 [inline] __do_sys_ioctl fs/ioctl.c:598 [inline] __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:584 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x16a/0x530 arch/x86/entry/syscall_64.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f3e919a94d9 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f3e9284afe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f3e91c25fa0 RCX: 00007f3e919a94d9 RDX: 000020000009e200 RSI: 0000000040187542 RDI: 0000000000000007 RBP: 00007f3e91a3804e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f3e91c26038 R14: 00007f3e91c25fa0 R15: 00007ffddd961518