Extracting prog: 3m51.627192721s Minimizing prog: 23m34.698014745s Simplifying prog options: 0s Extracting C: 35.810727058s Simplifying C: 8m43.837051397s extracting reproducer from 24 programs testing a last program of every proc single: executing 4 programs separately with timeout 30s testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$autofs-syz_mount_image$ext4-prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-sched_setscheduler-kexec_load detailed listing: executing program 0: openat$autofs(0xffffffffffffff9c, &(0x7f0000000380), 0x40600, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000200)='./file1\x00', 0x3000000, &(0x7f0000000600)={[{@grpid}]}, 0x1, 0x521, &(0x7f0000000640)="$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") prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000004c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000000)=0x6) kexec_load(0xf5, 0x1, &(0x7f0000000b80)=[{0x0, 0x0, 0x0, 0x1000}], 0x0) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-syz_emit_ethernet-socket$inet6-prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-sched_setscheduler-capset-bpf$PROG_LOAD-accept4-bpf$MAP_LOOKUP_ELEM detailed listing: executing program 0: r0 = bpf$MAP_CREATE(0x0, &(0x7f0000001240)=ANY=[@ANYBLOB="0f000000040000000800000001"], 0x37) syz_emit_ethernet(0x46, &(0x7f00000008c0)=ANY=[], 0x0) socket$inet6(0xa, 0x5, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) r1 = getpid() sched_setscheduler(r1, 0x1, &(0x7f0000000200)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r2, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r3, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r2, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000000)=0x6) capset(0x0, 0x0) bpf$PROG_LOAD(0x5, 0x0, 0x0) accept4(r2, 0x0, 0x0, 0x800) bpf$MAP_LOOKUP_ELEM(0x1, &(0x7f00000001c0)={r0, 0x0, 0x0}, 0x20) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): chdir-renameat2 detailed listing: executing program 0: chdir(&(0x7f0000000140)='./file0\x00') renameat2(0xffffffffffffff9c, &(0x7f0000000440)='./file0\x00', 0xffffffffffffff9c, &(0x7f0000000140)='./file1aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00', 0x0) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-write-syz_open_dev$loop-ioctl$LOOP_SET_FD-openat-sendmsg$NL802154_CMD_NEW_SEC_LEVEL-mkdirat-mount-openat-write detailed listing: executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./img\x00', 0x42, 0x1ff) write(r0, &(0x7f0000000200)="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", 0x1000) r1 = syz_open_dev$loop(&(0x7f0000000300), 0x0, 0x2) ioctl$LOOP_SET_FD(r1, 0x4c00, r0) openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x42, 0x20) sendmsg$NL802154_CMD_NEW_SEC_LEVEL(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000040)=ANY=[@ANYBLOB='D\x00\x00', @ANYRES16, @ANYBLOB="0100fe02000000000000200000000c00"], 0x44}, 0x1, 0x0, 0x0, 0x4}, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000400)='./sys\x00', &(0x7f0000000500)='sysfs\x00', 0x0, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000600)='./sys/module/block2mtd/parameters/block2mtd\x00', 0x1, 0x0) write(r2, &(0x7f0000000700)='/dev/loop0,65', 0xd) program crashed: WARNING in blkdev_flush_mapping single: successfully extracted reproducer found reproducer with 10 syscalls minimizing guilty program testing program (duration=45.204202155s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-write-syz_open_dev$loop-ioctl$LOOP_SET_FD-openat-sendmsg$NL802154_CMD_NEW_SEC_LEVEL-mkdirat-mount-openat detailed listing: executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./img\x00', 0x42, 0x1ff) write(r0, &(0x7f0000000200)="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", 0x1000) r1 = syz_open_dev$loop(&(0x7f0000000300), 0x0, 0x2) ioctl$LOOP_SET_FD(r1, 0x4c00, r0) openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x42, 0x20) sendmsg$NL802154_CMD_NEW_SEC_LEVEL(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000040)=ANY=[@ANYBLOB='D\x00\x00', @ANYRES16, @ANYBLOB="0100fe02000000000000200000000c00"], 0x44}, 0x1, 0x0, 0x0, 0x4}, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000400)='./sys\x00', &(0x7f0000000500)='sysfs\x00', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000600)='./sys/module/block2mtd/parameters/block2mtd\x00', 0x1, 0x0) program did not crash testing program (duration=45.204202155s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-write-syz_open_dev$loop-ioctl$LOOP_SET_FD-openat-sendmsg$NL802154_CMD_NEW_SEC_LEVEL-mkdirat-mount-write detailed listing: executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./img\x00', 0x42, 0x1ff) write(r0, &(0x7f0000000200)="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", 0x1000) r1 = syz_open_dev$loop(&(0x7f0000000300), 0x0, 0x2) ioctl$LOOP_SET_FD(r1, 0x4c00, r0) openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x42, 0x20) sendmsg$NL802154_CMD_NEW_SEC_LEVEL(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000040)=ANY=[@ANYBLOB='D\x00\x00', @ANYRES16, @ANYBLOB="0100fe02000000000000200000000c00"], 0x44}, 0x1, 0x0, 0x0, 0x4}, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000400)='./sys\x00', &(0x7f0000000500)='sysfs\x00', 0x0, 0x0) write(0xffffffffffffffff, &(0x7f0000000700)='/dev/loop0,65', 0xd) program did not crash testing program (duration=45.204202155s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-write-syz_open_dev$loop-ioctl$LOOP_SET_FD-openat-sendmsg$NL802154_CMD_NEW_SEC_LEVEL-mkdirat-openat-write detailed listing: executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./img\x00', 0x42, 0x1ff) write(r0, &(0x7f0000000200)="789c926c5560666060e0f99070678664eb0346060606c3c30a7763191818406c106002119c1c0c0c0ff223e4927bec77a665e6a4ea25e7e7a4fcffff5fb2f501483e2c3c2cb80caa969181a1f12d546f0a0326100289831466975c992e907cff5a314325431543364322430e430e432a435134d85c90fdbad7151b85a06e0161905b195859181842e32c4eea1f5a9e07728b01c21d2e4bde2bd941d531323038bec5623f567089ab7a2d163b4166b280ede46060687d7f6055c4d1e93f40761a22ecf473b13aad005587ec772e2cd670c1c41bef3c4a768af4b9515c59959d9893935a540c368f838181c160a779ff2e989f19d918d8ce5af17d6d39e494549158525264c800a120f673323030c86ceb3ff512613f03d3adb51c0fd0cc628299756b4fc49af71aa65660438c20661961370becf792bcebac58c20514beacb070f167e2cd3978e69813285c8c10e19232bf91e91b541d52b8286b60091705060601b085e70bdc2b79764d5cc8f01f3fc46207136e3b0430ece87494ca27d20e9f5526ab78a07630e3b6039404183818189835409a9c0ff058ed3cf12e0d6a963a963064410e43a3426e936da7bf5d0185a1f17f8cf40f0b6f36987aa6b0bacd58d27f5c64ef6d17a83aa4306791c212e65220719026cd1bf315991ed7bcc0c887ffb3ffa7feaffa9f2388d53d203bd8c1eee16260589d7c29004bdec8e6b7934f87aa63646058f81f6ab73a16f7a8c3c40576994eb8ee93cba15f925ba05f5c59a59b999b989e9a9e9a6764646c66606260606aa40ff63784fc0f080000ffffad9719da", 0x1000) r1 = syz_open_dev$loop(&(0x7f0000000300), 0x0, 0x2) ioctl$LOOP_SET_FD(r1, 0x4c00, r0) openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x42, 0x20) sendmsg$NL802154_CMD_NEW_SEC_LEVEL(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000040)=ANY=[@ANYBLOB='D\x00\x00', @ANYRES16, @ANYBLOB="0100fe02000000000000200000000c00"], 0x44}, 0x1, 0x0, 0x0, 0x4}, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./sys\x00', 0x1ff) r2 = openat(0xffffffffffffff9c, &(0x7f0000000600)='./sys/module/block2mtd/parameters/block2mtd\x00', 0x1, 0x0) write(r2, &(0x7f0000000700)='/dev/loop0,65', 0xd) program did not crash testing program (duration=45.204202155s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-write-syz_open_dev$loop-ioctl$LOOP_SET_FD-openat-sendmsg$NL802154_CMD_NEW_SEC_LEVEL-mount-openat-write detailed listing: executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./img\x00', 0x42, 0x1ff) write(r0, &(0x7f0000000200)="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", 0x1000) r1 = syz_open_dev$loop(&(0x7f0000000300), 0x0, 0x2) ioctl$LOOP_SET_FD(r1, 0x4c00, r0) openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x42, 0x20) sendmsg$NL802154_CMD_NEW_SEC_LEVEL(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000040)=ANY=[@ANYBLOB='D\x00\x00', @ANYRES16, @ANYBLOB="0100fe02000000000000200000000c00"], 0x44}, 0x1, 0x0, 0x0, 0x4}, 0x0) mount(0x0, &(0x7f0000000400)='./sys\x00', &(0x7f0000000500)='sysfs\x00', 0x0, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000600)='./sys/module/block2mtd/parameters/block2mtd\x00', 0x1, 0x0) write(r2, &(0x7f0000000700)='/dev/loop0,65', 0xd) program did not crash testing program (duration=45.204202155s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-write-syz_open_dev$loop-ioctl$LOOP_SET_FD-openat-mkdirat-mount-openat-write detailed listing: executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./img\x00', 0x42, 0x1ff) write(r0, &(0x7f0000000200)="789c926c5560666060e0f99070678664eb0346060606c3c30a7763191818406c106002119c1c0c0c0ff223e4927bec77a665e6a4ea25e7e7a4fcffff5fb2f501483e2c3c2cb80caa969181a1f12d546f0a0326100289831466975c992e907cff5a314325431543364322430e430e432a435134d85c90fdbad7151b85a06e0161905b195859181842e32c4eea1f5a9e07728b01c21d2e4bde2bd941d531323038bec5623f567089ab7a2d163b4166b280ede46060687d7f6055c4d1e93f40761a22ecf473b13aad005587ec772e2cd670c1c41bef3c4a768af4b9515c59959d9893935a540c368f838181c160a779ff2e989f19d918d8ce5af17d6d39e494549158525264c800a120f673323030c86ceb3ff512613f03d3adb51c0fd0cc628299756b4fc49af71aa65660438c20661961370becf792bcebac58c20514beacb070f167e2cd3978e69813285c8c10e19232bf91e91b541d52b8286b60091705060601b085e70bdc2b79764d5cc8f01f3fc46207136e3b0430ece87494ca27d20e9f5526ab78a07630e3b6039404183818189835409a9c0ff058ed3cf12e0d6a963a963064410e43a3426e936da7bf5d0185a1f17f8cf40f0b6f36987aa6b0bacd58d27f5c64ef6d17a83aa4306791c212e65220719026cd1bf315991ed7bcc0c887ffb3ffa7feaffa9f2388d53d203bd8c1eee16260589d7c29004bdec8e6b7934f87aa63646058f81f6ab73a16f7a8c3c40576994eb8ee93cba15f925ba05f5c59a59b999b989e9a9e9a6764646c66606260606aa40ff63784fc0f080000ffffad9719da", 0x1000) r1 = syz_open_dev$loop(&(0x7f0000000300), 0x0, 0x2) ioctl$LOOP_SET_FD(r1, 0x4c00, r0) openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x42, 0x20) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000400)='./sys\x00', &(0x7f0000000500)='sysfs\x00', 0x0, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000600)='./sys/module/block2mtd/parameters/block2mtd\x00', 0x1, 0x0) write(r2, &(0x7f0000000700)='/dev/loop0,65', 0xd) program crashed: WARNING in blkdev_flush_mapping testing program (duration=45.204202155s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-write-syz_open_dev$loop-ioctl$LOOP_SET_FD-mkdirat-mount-openat-write detailed listing: executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./img\x00', 0x42, 0x1ff) write(r0, &(0x7f0000000200)="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", 0x1000) r1 = syz_open_dev$loop(&(0x7f0000000300), 0x0, 0x2) ioctl$LOOP_SET_FD(r1, 0x4c00, r0) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000400)='./sys\x00', &(0x7f0000000500)='sysfs\x00', 0x0, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000600)='./sys/module/block2mtd/parameters/block2mtd\x00', 0x1, 0x0) write(r2, &(0x7f0000000700)='/dev/loop0,65', 0xd) program crashed: WARNING in blkdev_flush_mapping testing program (duration=45.204202155s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-write-syz_open_dev$loop-mkdirat-mount-openat-write detailed listing: executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./img\x00', 0x42, 0x1ff) write(r0, &(0x7f0000000200)="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", 0x1000) syz_open_dev$loop(&(0x7f0000000300), 0x0, 0x2) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000400)='./sys\x00', &(0x7f0000000500)='sysfs\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000600)='./sys/module/block2mtd/parameters/block2mtd\x00', 0x1, 0x0) write(r1, &(0x7f0000000700)='/dev/loop0,65', 0xd) program did not crash testing program (duration=45.204202155s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-write-ioctl$LOOP_SET_FD-mkdirat-mount-openat-write detailed listing: executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./img\x00', 0x42, 0x1ff) write(r0, &(0x7f0000000200)="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", 0x1000) ioctl$LOOP_SET_FD(0xffffffffffffffff, 0x4c00, r0) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000400)='./sys\x00', &(0x7f0000000500)='sysfs\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000600)='./sys/module/block2mtd/parameters/block2mtd\x00', 0x1, 0x0) write(r1, &(0x7f0000000700)='/dev/loop0,65', 0xd) program did not crash testing program (duration=45.204202155s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-syz_open_dev$loop-ioctl$LOOP_SET_FD-mkdirat-mount-openat-write detailed listing: executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./img\x00', 0x42, 0x1ff) r1 = syz_open_dev$loop(&(0x7f0000000300), 0x0, 0x2) ioctl$LOOP_SET_FD(r1, 0x4c00, r0) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000400)='./sys\x00', &(0x7f0000000500)='sysfs\x00', 0x0, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000600)='./sys/module/block2mtd/parameters/block2mtd\x00', 0x1, 0x0) write(r2, &(0x7f0000000700)='/dev/loop0,65', 0xd) program did not crash testing program (duration=45.204202155s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): write-syz_open_dev$loop-ioctl$LOOP_SET_FD-mkdirat-mount-openat-write detailed listing: executing program 0: write(0xffffffffffffffff, &(0x7f0000000200)="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", 0x1000) r0 = syz_open_dev$loop(&(0x7f0000000300), 0x0, 0x2) ioctl$LOOP_SET_FD(r0, 0x4c00, 0xffffffffffffffff) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000400)='./sys\x00', &(0x7f0000000500)='sysfs\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000600)='./sys/module/block2mtd/parameters/block2mtd\x00', 0x1, 0x0) write(r1, &(0x7f0000000700)='/dev/loop0,65', 0xd) program did not crash testing program (duration=45.204202155s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-write-syz_open_dev$loop-ioctl$LOOP_SET_FD-mkdirat-mount-openat-write detailed listing: executing program 0: r0 = openat(0xffffffffffffff9c, 0x0, 0x42, 0x1ff) write(r0, &(0x7f0000000200)="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", 0x1000) r1 = syz_open_dev$loop(&(0x7f0000000300), 0x0, 0x2) ioctl$LOOP_SET_FD(r1, 0x4c00, r0) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000400)='./sys\x00', &(0x7f0000000500)='sysfs\x00', 0x0, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000600)='./sys/module/block2mtd/parameters/block2mtd\x00', 0x1, 0x0) write(r2, &(0x7f0000000700)='/dev/loop0,65', 0xd) program did not crash testing program (duration=45.204202155s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-write-syz_open_dev$loop-ioctl$LOOP_SET_FD-mkdirat-mount-openat-write detailed listing: executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./img\x00', 0x42, 0x1ff) write(r0, 0x0, 0x0) r1 = syz_open_dev$loop(&(0x7f0000000300), 0x0, 0x2) ioctl$LOOP_SET_FD(r1, 0x4c00, r0) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000400)='./sys\x00', &(0x7f0000000500)='sysfs\x00', 0x0, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000600)='./sys/module/block2mtd/parameters/block2mtd\x00', 0x1, 0x0) write(r2, &(0x7f0000000700)='/dev/loop0,65', 0xd) program did not crash testing program (duration=45.204202155s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-write-syz_open_dev$loop-ioctl$LOOP_SET_FD-mkdirat-mount-openat-write detailed listing: executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./img\x00', 0x42, 0x1ff) write(r0, &(0x7f0000000200), 0x0) r1 = syz_open_dev$loop(&(0x7f0000000300), 0x0, 0x2) ioctl$LOOP_SET_FD(r1, 0x4c00, r0) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000400)='./sys\x00', &(0x7f0000000500)='sysfs\x00', 0x0, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000600)='./sys/module/block2mtd/parameters/block2mtd\x00', 0x1, 0x0) write(r2, &(0x7f0000000700)='/dev/loop0,65', 0xd) program did not crash testing program (duration=45.204202155s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-write-syz_open_dev$loop-ioctl$LOOP_SET_FD-mkdirat-mount-openat-write detailed listing: executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./img\x00', 0x42, 0x1ff) write(r0, &(0x7f0000000200)="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", 0x1000) r1 = syz_open_dev$loop(0x0, 0x0, 0x2) ioctl$LOOP_SET_FD(r1, 0x4c00, r0) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000400)='./sys\x00', &(0x7f0000000500)='sysfs\x00', 0x0, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000600)='./sys/module/block2mtd/parameters/block2mtd\x00', 0x1, 0x0) write(r2, &(0x7f0000000700)='/dev/loop0,65', 0xd) program did not crash testing program (duration=45.204202155s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-write-syz_open_dev$loop-ioctl$LOOP_SET_FD-mkdirat-mount-openat-write detailed listing: executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./img\x00', 0x42, 0x1ff) write(r0, &(0x7f0000000200)="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", 0x1000) r1 = syz_open_dev$loop(&(0x7f0000000300), 0x0, 0x2) ioctl$LOOP_SET_FD(r1, 0x4c00, r0) mkdirat(0xffffffffffffff9c, 0x0, 0x1ff) mount(0x0, &(0x7f0000000400)='./sys\x00', &(0x7f0000000500)='sysfs\x00', 0x0, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000600)='./sys/module/block2mtd/parameters/block2mtd\x00', 0x1, 0x0) write(r2, &(0x7f0000000700)='/dev/loop0,65', 0xd) program did not crash testing program (duration=45.204202155s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-write-syz_open_dev$loop-ioctl$LOOP_SET_FD-mkdirat-mount-openat-write detailed listing: executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./img\x00', 0x42, 0x1ff) write(r0, &(0x7f0000000200)="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", 0x1000) r1 = syz_open_dev$loop(&(0x7f0000000300), 0x0, 0x2) ioctl$LOOP_SET_FD(r1, 0x4c00, r0) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./sys\x00', 0x1ff) mount(0x0, 0x0, &(0x7f0000000500)='sysfs\x00', 0x0, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000600)='./sys/module/block2mtd/parameters/block2mtd\x00', 0x1, 0x0) write(r2, &(0x7f0000000700)='/dev/loop0,65', 0xd) program did not crash testing program (duration=45.204202155s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-write-syz_open_dev$loop-ioctl$LOOP_SET_FD-mkdirat-mount-openat-write detailed listing: executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./img\x00', 0x42, 0x1ff) write(r0, &(0x7f0000000200)="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", 0x1000) r1 = syz_open_dev$loop(&(0x7f0000000300), 0x0, 0x2) ioctl$LOOP_SET_FD(r1, 0x4c00, r0) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000400)='./sys\x00', 0x0, 0x0, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000600)='./sys/module/block2mtd/parameters/block2mtd\x00', 0x1, 0x0) write(r2, &(0x7f0000000700)='/dev/loop0,65', 0xd) program did not crash testing program (duration=45.204202155s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-write-syz_open_dev$loop-ioctl$LOOP_SET_FD-mkdirat-mount-openat-write detailed listing: executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./img\x00', 0x42, 0x1ff) write(r0, &(0x7f0000000200)="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", 0x1000) r1 = syz_open_dev$loop(&(0x7f0000000300), 0x0, 0x2) ioctl$LOOP_SET_FD(r1, 0x4c00, r0) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000400)='./sys\x00', &(0x7f0000000500)='sysfs\x00', 0x0, 0x0) r2 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0) write(r2, &(0x7f0000000700)='/dev/loop0,65', 0xd) program did not crash testing program (duration=45.204202155s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-write-syz_open_dev$loop-ioctl$LOOP_SET_FD-mkdirat-mount-openat-write detailed listing: executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./img\x00', 0x42, 0x1ff) write(r0, &(0x7f0000000200)="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", 0x1000) r1 = syz_open_dev$loop(&(0x7f0000000300), 0x0, 0x2) ioctl$LOOP_SET_FD(r1, 0x4c00, r0) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000400)='./sys\x00', &(0x7f0000000500)='sysfs\x00', 0x0, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000600)='./sys/module/block2mtd/parameters/block2mtd\x00', 0x1, 0x0) write(r2, 0x0, 0x0) program did not crash testing program (duration=45.204202155s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-write-syz_open_dev$loop-ioctl$LOOP_SET_FD-mkdirat-mount-openat-write detailed listing: executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./img\x00', 0x42, 0x1ff) write(r0, &(0x7f0000000200)="789c926c5560666060e0f99070678664eb0346060606c3c30a7763191818406c106002119c1c0c0c0ff223e4927bec77a665e6a4ea25e7e7a4fcffff5fb2f501483e2c3c2cb80caa969181a1f12d546f0a0326100289831466975c992e907cff5a314325431543364322430e430e432a435134d85c90fdbad7151b85a06e0161905b195859181842e32c4eea1f5a9e07728b01c21d2e4bde2bd941d531323038bec5623f567089ab7a2d163b4166b280ede46060687d7f6055c4d1e93f40761a22ecf473b13aad005587ec772e2cd670c1c41bef3c4a768af4b9515c59959d9893935a540c368f838181c160a779ff2e989f19d918d8ce5af17d6d39e494549158525264c800a120f673323030c86ceb3ff512613f03d3adb51c0fd0cc628299756b4fc49af71aa65660438c20661961370becf792bcebac58c20514beacb070f167e2cd3978e69813285c8c10e19232bf91e91b541d52b8286b60091705060601b085e70bdc2b79764d5cc8f01f3fc46207136e3b0430ece87494ca27d20e9f5526ab78a07630e3b6039404183818189835409a9c0ff058ed3cf12e0d6a963a963064410e43a3426e936da7bf5d0185a1f17f8cf40f0b6f36987aa6b0bacd58d27f5c64ef6d17a83aa4306791c212e65220719026cd1bf315991ed7bcc0c887ffb3ffa7feaffa9f2388d53d203bd8c1eee16260589d7c29004bdec8e6b7934f87aa63646058f81f6ab73a16f7a8c3c40576994eb8ee93cba15f925ba05f5c59a59b999b989e9a9e9a6764646c66606260606aa40ff63784fc0f080000ffffad9719da", 0x1000) r1 = syz_open_dev$loop(&(0x7f0000000300), 0x0, 0x2) ioctl$LOOP_SET_FD(r1, 0x4c00, r0) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000400)='./sys\x00', &(0x7f0000000500)='sysfs\x00', 0x0, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000600)='./sys/module/block2mtd/parameters/block2mtd\x00', 0x1, 0x0) write(r2, &(0x7f0000000700), 0x0) program did not crash extracting C reproducer testing compiled C program (duration=45.204202155s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-write-syz_open_dev$loop-ioctl$LOOP_SET_FD-mkdirat-mount-openat-write program crashed: WARNING in blkdev_flush_mapping simplifying C reproducer testing compiled C program (duration=45.204202155s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-write-syz_open_dev$loop-ioctl$LOOP_SET_FD-mkdirat-mount-openat-write program crashed: WARNING in blkdev_flush_mapping testing compiled C program (duration=45.204202155s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-write-syz_open_dev$loop-ioctl$LOOP_SET_FD-mkdirat-mount-openat-write program crashed: WARNING in blkdev_flush_mapping testing compiled C program (duration=45.204202155s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-write-syz_open_dev$loop-ioctl$LOOP_SET_FD-mkdirat-mount-openat-write program crashed: WARNING in blkdev_flush_mapping testing compiled C program (duration=45.204202155s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-write-syz_open_dev$loop-ioctl$LOOP_SET_FD-mkdirat-mount-openat-write program crashed: WARNING in blkdev_flush_mapping testing compiled C program (duration=45.204202155s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-write-syz_open_dev$loop-ioctl$LOOP_SET_FD-mkdirat-mount-openat-write program did not crash testing compiled C program (duration=45.204202155s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-write-syz_open_dev$loop-ioctl$LOOP_SET_FD-mkdirat-mount-openat-write program did not crash testing compiled C program (duration=45.204202155s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-write-syz_open_dev$loop-ioctl$LOOP_SET_FD-mkdirat-mount-openat-write program did not crash testing program (duration=45.204202155s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-write-syz_open_dev$loop-ioctl$LOOP_SET_FD-mkdirat-mount-openat-write detailed listing: executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./img\x00', 0x42, 0x1ff) write(r0, &(0x7f0000000200)="789c926c5560666060e0f99070678664eb0346060606c3c30a7763191818406c106002119c1c0c0c0ff223e4927bec77a665e6a4ea25e7e7a4fcffff5fb2f501483e2c3c2cb80caa969181a1f12d546f0a0326100289831466975c992e907cff5a314325431543364322430e430e432a435134d85c90fdbad7151b85a06e0161905b195859181842e32c4eea1f5a9e07728b01c21d2e4bde2bd941d531323038bec5623f567089ab7a2d163b4166b280ede46060687d7f6055c4d1e93f40761a22ecf473b13aad005587ec772e2cd670c1c41bef3c4a768af4b9515c59959d9893935a540c368f838181c160a779ff2e989f19d918d8ce5af17d6d39e494549158525264c800a120f673323030c86ceb3ff512613f03d3adb51c0fd0cc628299756b4fc49af71aa65660438c20661961370becf792bcebac58c20514beacb070f167e2cd3978e69813285c8c10e19232bf91e91b541d52b8286b60091705060601b085e70bdc2b79764d5cc8f01f3fc46207136e3b0430ece87494ca27d20e9f5526ab78a07630e3b6039404183818189835409a9c0ff058ed3cf12e0d6a963a963064410e43a3426e936da7bf5d0185a1f17f8cf40f0b6f36987aa6b0bacd58d27f5c64ef6d17a83aa4306791c212e65220719026cd1bf315991ed7bcc0c887ffb3ffa7feaffa9f2388d53d203bd8c1eee16260589d7c29004bdec8e6b7934f87aa63646058f81f6ab73a16f7a8c3c40576994eb8ee93cba15f925ba05f5c59a59b999b989e9a9e9a6764646c66606260606aa40ff63784fc0f080000ffffad9719da", 0x1000) r1 = syz_open_dev$loop(&(0x7f0000000300), 0x0, 0x2) ioctl$LOOP_SET_FD(r1, 0x4c00, r0) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000400)='./sys\x00', &(0x7f0000000500)='sysfs\x00', 0x0, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000600)='./sys/module/block2mtd/parameters/block2mtd\x00', 0x1, 0x0) write(r2, &(0x7f0000000700)='/dev/loop0,65', 0xd) program crashed: WARNING in blkdev_flush_mapping validation run: crashed=true testing program (duration=45.204202155s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-write-syz_open_dev$loop-ioctl$LOOP_SET_FD-mkdirat-mount-openat-write detailed listing: executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./img\x00', 0x42, 0x1ff) write(r0, &(0x7f0000000200)="789c926c5560666060e0f99070678664eb0346060606c3c30a7763191818406c106002119c1c0c0c0ff223e4927bec77a665e6a4ea25e7e7a4fcffff5fb2f501483e2c3c2cb80caa969181a1f12d546f0a0326100289831466975c992e907cff5a314325431543364322430e430e432a435134d85c90fdbad7151b85a06e0161905b195859181842e32c4eea1f5a9e07728b01c21d2e4bde2bd941d531323038bec5623f567089ab7a2d163b4166b280ede46060687d7f6055c4d1e93f40761a22ecf473b13aad005587ec772e2cd670c1c41bef3c4a768af4b9515c59959d9893935a540c368f838181c160a779ff2e989f19d918d8ce5af17d6d39e494549158525264c800a120f673323030c86ceb3ff512613f03d3adb51c0fd0cc628299756b4fc49af71aa65660438c20661961370becf792bcebac58c20514beacb070f167e2cd3978e69813285c8c10e19232bf91e91b541d52b8286b60091705060601b085e70bdc2b79764d5cc8f01f3fc46207136e3b0430ece87494ca27d20e9f5526ab78a07630e3b6039404183818189835409a9c0ff058ed3cf12e0d6a963a963064410e43a3426e936da7bf5d0185a1f17f8cf40f0b6f36987aa6b0bacd58d27f5c64ef6d17a83aa4306791c212e65220719026cd1bf315991ed7bcc0c887ffb3ffa7feaffa9f2388d53d203bd8c1eee16260589d7c29004bdec8e6b7934f87aa63646058f81f6ab73a16f7a8c3c40576994eb8ee93cba15f925ba05f5c59a59b999b989e9a9e9a6764646c66606260606aa40ff63784fc0f080000ffffad9719da", 0x1000) r1 = syz_open_dev$loop(&(0x7f0000000300), 0x0, 0x2) ioctl$LOOP_SET_FD(r1, 0x4c00, r0) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000400)='./sys\x00', &(0x7f0000000500)='sysfs\x00', 0x0, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000600)='./sys/module/block2mtd/parameters/block2mtd\x00', 0x1, 0x0) write(r2, &(0x7f0000000700)='/dev/loop0,65', 0xd) program crashed: WARNING in blkdev_flush_mapping validation run: crashed=true testing program (duration=45.204202155s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-write-syz_open_dev$loop-ioctl$LOOP_SET_FD-mkdirat-mount-openat-write detailed listing: executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./img\x00', 0x42, 0x1ff) write(r0, &(0x7f0000000200)="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", 0x1000) r1 = syz_open_dev$loop(&(0x7f0000000300), 0x0, 0x2) ioctl$LOOP_SET_FD(r1, 0x4c00, r0) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000400)='./sys\x00', &(0x7f0000000500)='sysfs\x00', 0x0, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000600)='./sys/module/block2mtd/parameters/block2mtd\x00', 0x1, 0x0) write(r2, &(0x7f0000000700)='/dev/loop0,65', 0xd) program crashed: WARNING in blkdev_flush_mapping validation run: crashed=true reproducing took 42m30.245195456s repro crashed as (corrupted=false): ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5796 at block/bdev.c:643 blkdev_flush_mapping+0xac/0x290 block/bdev.c:643 Modules linked in: CPU: 1 PID: 5796 Comm: udevd Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:blkdev_flush_mapping+0xac/0x290 block/bdev.c:643 Code: 42 80 3c 28 00 74 08 4c 89 f7 e8 8f 32 cc fd 49 8b 3e 48 ba ff ff ff ff ff ff ff 7f 31 f6 e8 5b bf a1 fd eb 11 e8 44 af 73 fd <0f> 0b 48 85 db 75 9f e8 38 af 73 fd 48 89 1c 24 4c 8d b3 80 00 00 RSP: 0018:ffffc900045bfda0 EFLAGS: 00010293 RAX: ffffffff8413c2dc RBX: ffff888148c869c0 RCX: ffff888079433c00 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 RBP: 0000000000000002 R08: ffff888148c869fb R09: 1ffff11029190d3f R10: dffffc0000000000 R11: ffffed1029190d40 R12: dffffc0000000000 R13: dffffc0000000000 R14: ffff888148c86af4 R15: ffff888148c869f8 FS: 00007f6e70559880(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f6e6ff909c0 CR3: 00000000240cb000 CR4: 00000000003506e0 Call Trace: blkdev_put_whole block/bdev.c:676 [inline] blkdev_put+0x49a/0x7a0 block/bdev.c:954 blkdev_release+0x84/0x90 block/fops.c:604 __fput+0x221/0x940 fs/file_table.c:418 __do_sys_close fs/open.c:1574 [inline] __se_sys_close+0x15c/0x1e0 fs/open.c:1559 do_syscall_x64 arch/x86/entry/common.c:46 [inline] do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:76 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f6e6fea7407 Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff RSP: 002b:00007ffe3e9f44f0 EFLAGS: 00000202 ORIG_RAX: 0000000000000003 RAX: ffffffffffffffda RBX: 00007f6e70559880 RCX: 00007f6e6fea7407 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000008 RBP: 00007f6e705596e8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002 R13: 00005568bfe6e410 R14: 0000000000000008 R15: 00005568bfe7b970 final repro crashed as (corrupted=false): ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5796 at block/bdev.c:643 blkdev_flush_mapping+0xac/0x290 block/bdev.c:643 Modules linked in: CPU: 1 PID: 5796 Comm: udevd Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:blkdev_flush_mapping+0xac/0x290 block/bdev.c:643 Code: 42 80 3c 28 00 74 08 4c 89 f7 e8 8f 32 cc fd 49 8b 3e 48 ba ff ff ff ff ff ff ff 7f 31 f6 e8 5b bf a1 fd eb 11 e8 44 af 73 fd <0f> 0b 48 85 db 75 9f e8 38 af 73 fd 48 89 1c 24 4c 8d b3 80 00 00 RSP: 0018:ffffc900045bfda0 EFLAGS: 00010293 RAX: ffffffff8413c2dc RBX: ffff888148c869c0 RCX: ffff888079433c00 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 RBP: 0000000000000002 R08: ffff888148c869fb R09: 1ffff11029190d3f R10: dffffc0000000000 R11: ffffed1029190d40 R12: dffffc0000000000 R13: dffffc0000000000 R14: ffff888148c86af4 R15: ffff888148c869f8 FS: 00007f6e70559880(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f6e6ff909c0 CR3: 00000000240cb000 CR4: 00000000003506e0 Call Trace: blkdev_put_whole block/bdev.c:676 [inline] blkdev_put+0x49a/0x7a0 block/bdev.c:954 blkdev_release+0x84/0x90 block/fops.c:604 __fput+0x221/0x940 fs/file_table.c:418 __do_sys_close fs/open.c:1574 [inline] __se_sys_close+0x15c/0x1e0 fs/open.c:1559 do_syscall_x64 arch/x86/entry/common.c:46 [inline] do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:76 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f6e6fea7407 Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff RSP: 002b:00007ffe3e9f44f0 EFLAGS: 00000202 ORIG_RAX: 0000000000000003 RAX: ffffffffffffffda RBX: 00007f6e70559880 RCX: 00007f6e6fea7407 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000008 RBP: 00007f6e705596e8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002 R13: 00005568bfe6e410 R14: 0000000000000008 R15: 00005568bfe7b970