Extracting prog: 6m18.820030378s Minimizing prog: 42m19.670677699s Simplifying prog options: 0s Extracting C: 3m6.395332161s Simplifying C: 27m36.875857693s extracting reproducer from 1 programs testing a last program of every proc single: executing 1 programs separately with timeout 6m0s testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): syz_mount_image$erofs-openat-openat$cgroup_ro-mount$bind detailed listing: executing program 0: syz_mount_image$erofs(&(0x7f0000001240), &(0x7f0000000140)='./file1\x00', 0x1000801, &(0x7f0000002680)=ANY=[], 0x1, 0x1f4, &(0x7f0000000a40)="$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") r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='.\x00', 0x0, 0x0) openat$cgroup_ro(r0, &(0x7f0000001280)='freezer.parent_freezing\x00', 0x275a, 0x0) mount$bind(0x0, &(0x7f0000000200)='./file1\x00', 0x0, 0x10001, 0x0) program crashed: INFO: task hung in lookup_slow program crashed: INFO: task hung in lookup_slow single: successfully extracted reproducer found reproducer with 4 syscalls minimizing guilty program testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-openat-openat$cgroup_ro detailed listing: executing program 0: syz_mount_image$erofs(&(0x7f0000001240), &(0x7f0000000140)='./file1\x00', 0x1000801, &(0x7f0000002680)=ANY=[], 0x1, 0x1f4, &(0x7f0000000a40)="$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") r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='.\x00', 0x0, 0x0) openat$cgroup_ro(r0, &(0x7f0000001280)='freezer.parent_freezing\x00', 0x275a, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): syz_mount_image$erofs-openat-mount$bind detailed listing: executing program 0: syz_mount_image$erofs(&(0x7f0000001240), &(0x7f0000000140)='./file1\x00', 0x1000801, &(0x7f0000002680)=ANY=[], 0x1, 0x1f4, &(0x7f0000000a40)="$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") openat(0xffffffffffffff9c, &(0x7f0000000040)='.\x00', 0x0, 0x0) mount$bind(0x0, &(0x7f0000000200)='./file1\x00', 0x0, 0x10001, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-openat$cgroup_ro-mount$bind detailed listing: executing program 0: syz_mount_image$erofs(&(0x7f0000001240), &(0x7f0000000140)='./file1\x00', 0x1000801, &(0x7f0000002680)=ANY=[], 0x1, 0x1f4, &(0x7f0000000a40)="$eJzsmb+LE0EUx78zu9k7DxFsLGyu8MATvWR3o3LNFSdYCsIpahm8vSO6d5HNCklAMNjYWFoIWtpYWlhYpfAvsNVCBcHClHbCyPzY3XHdhKBiRN8HMvnu7Ns3816S78IGBEH8t3x4/+Xdg3Prl04BOIgVLJj5T04Rw634t49un3y4cf7x8zdPX+0fuvOynI8BEGL29T0Ao00HKZirZ76/ekWN41GhgcvgOGH0FTDUtfwqFPogAsM1E3PD0p0DRsRR/Xon3t5px5Evh0AO4U57+UnTXl9uajxk2AawqHYnBLPOd/uDm604jpKyqIlsnR9ORYncROVVlWJa/9T+Njk2kHVPCPl5Xb1/byiPTW/gg+f9C8ARGN0Ew5bR61hAnUGXJ1ti1X/ULfI7s9Q/X/FMicNrf2rR7DfyN9T+D4vab8nDyjPyG5/PHBlnHmjHfJx77T8vlHFVOc7rpTi+8AuZvYpG5aLwJ+nsxy1/cuHm/tFI9241uv3BWnuvtRvtRvth2Dzrn/b9M2FDebMep/jfovKnJSt/bUKsxzz0WmmaBD0gTYL8ONSj5bhbLzqf1TVc+R/H6jGdg5l7Vn6jLMHMi6t3qVad6si7E2siCIIgCIIgCIIgCIIgCIKoZhkM+p8wwcwD0SrCi+oJ5bcAAAD//9EJYzA=") openat$cgroup_ro(0xffffffffffffffff, &(0x7f0000001280)='freezer.parent_freezing\x00', 0x275a, 0x0) mount$bind(0x0, &(0x7f0000000200)='./file1\x00', 0x0, 0x10001, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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-openat$cgroup_ro-mount$bind detailed listing: executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='.\x00', 0x0, 0x0) openat$cgroup_ro(r0, &(0x7f0000001280)='freezer.parent_freezing\x00', 0x275a, 0x0) mount$bind(0x0, &(0x7f0000000200)='./file1\x00', 0x0, 0x10001, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): syz_mount_image$erofs-openat-openat$cgroup_ro-mount$bind detailed listing: executing program 0: syz_mount_image$erofs(&(0x7f0000001240), &(0x7f0000000140)='./file1\x00', 0x1000801, &(0x7f0000002680)=ANY=[], 0x1, 0x1f4, &(0x7f0000000a40)="$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") r0 = openat(0xffffffffffffff9c, 0x0, 0x0, 0x0) openat$cgroup_ro(r0, &(0x7f0000001280)='freezer.parent_freezing\x00', 0x275a, 0x0) mount$bind(0x0, &(0x7f0000000200)='./file1\x00', 0x0, 0x10001, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-openat-openat$cgroup_ro-mount$bind detailed listing: executing program 0: syz_mount_image$erofs(&(0x7f0000001240), &(0x7f0000000140)='./file1\x00', 0x1000801, &(0x7f0000002680)=ANY=[], 0x1, 0x1f4, &(0x7f0000000a40)="$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") r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='.\x00', 0x0, 0x0) openat$cgroup_ro(r0, 0x0, 0x275a, 0x0) mount$bind(0x0, &(0x7f0000000200)='./file1\x00', 0x0, 0x10001, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): syz_mount_image$erofs-openat-openat$cgroup_ro-mount$bind detailed listing: executing program 0: syz_mount_image$erofs(&(0x7f0000001240), &(0x7f0000000140)='./file1\x00', 0x1000801, &(0x7f0000002680)=ANY=[], 0x1, 0x1f4, &(0x7f0000000a40)="$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") r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='.\x00', 0x0, 0x0) openat$cgroup_ro(r0, &(0x7f0000001280)='freezer.parent_freezing\x00', 0x275a, 0x0) mount$bind(0x0, 0x0, 0x0, 0x10001, 0x0) program did not crash extracting C reproducer testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-openat-openat$cgroup_ro-mount$bind program crashed: INFO: task hung in lookup_slow simplifying C reproducer testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 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}}): syz_mount_image$erofs-openat-openat$cgroup_ro-mount$bind program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-openat-openat$cgroup_ro-mount$bind program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): syz_mount_image$erofs-openat-openat$cgroup_ro-mount$bind program crashed: INFO: task hung in lookup_slow testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-openat-openat$cgroup_ro-mount$bind program crashed: INFO: task hung in lookup_slow testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): syz_mount_image$erofs-openat-openat$cgroup_ro-mount$bind program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-openat-openat$cgroup_ro-mount$bind program crashed: INFO: task hung in lookup_slow testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-openat-openat$cgroup_ro-mount$bind program crashed: INFO: task hung in lookup_slow testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-openat-openat$cgroup_ro-mount$bind detailed listing: executing program 0: syz_mount_image$erofs(&(0x7f0000001240), &(0x7f0000000140)='./file1\x00', 0x1000801, &(0x7f0000002680)=ANY=[], 0x1, 0x1f4, &(0x7f0000000a40)="$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") r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='.\x00', 0x0, 0x0) openat$cgroup_ro(r0, &(0x7f0000001280)='freezer.parent_freezing\x00', 0x275a, 0x0) mount$bind(0x0, &(0x7f0000000200)='./file1\x00', 0x0, 0x10001, 0x0) program crashed: INFO: task hung in lookup_slow validation run: crashed=true testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-openat-openat$cgroup_ro-mount$bind detailed listing: executing program 0: syz_mount_image$erofs(&(0x7f0000001240), &(0x7f0000000140)='./file1\x00', 0x1000801, &(0x7f0000002680)=ANY=[], 0x1, 0x1f4, &(0x7f0000000a40)="$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") r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='.\x00', 0x0, 0x0) openat$cgroup_ro(r0, &(0x7f0000001280)='freezer.parent_freezing\x00', 0x275a, 0x0) mount$bind(0x0, &(0x7f0000000200)='./file1\x00', 0x0, 0x10001, 0x0) program crashed: INFO: task hung in lookup_slow validation run: crashed=true testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-openat-openat$cgroup_ro-mount$bind detailed listing: executing program 0: syz_mount_image$erofs(&(0x7f0000001240), &(0x7f0000000140)='./file1\x00', 0x1000801, &(0x7f0000002680)=ANY=[], 0x1, 0x1f4, &(0x7f0000000a40)="$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") r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='.\x00', 0x0, 0x0) openat$cgroup_ro(r0, &(0x7f0000001280)='freezer.parent_freezing\x00', 0x275a, 0x0) mount$bind(0x0, &(0x7f0000000200)='./file1\x00', 0x0, 0x10001, 0x0) program crashed: INFO: task hung in lookup_slow validation run: crashed=true reproducing took 1h28m39.206961357s repro crashed as (corrupted=false): INFO: task syz.0.17:4511 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.0.17 state:D stack:0 pid:4511 ppid:4460 flags:0x00000001 Call trace: __switch_to+0x2f4/0x550 arch/arm64/kernel/process.c:555 context_switch kernel/sched/core.c:5245 [inline] __schedule+0xdd0/0x1b0c kernel/sched/core.c:6562 schedule+0xc4/0x170 kernel/sched/core.c:6638 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6697 rwsem_down_read_slowpath+0x4b8/0x79c kernel/locking/rwsem.c:1094 __down_read_common kernel/locking/rwsem.c:1261 [inline] __down_read kernel/locking/rwsem.c:1274 [inline] down_read+0xa8/0x300 kernel/locking/rwsem.c:1522 inode_lock_shared include/linux/fs.h:768 [inline] lookup_slow+0x4c/0x80 fs/namei.c:1714 walk_component+0x270/0x364 fs/namei.c:2006 lookup_last fs/namei.c:2463 [inline] path_lookupat+0x13c/0x3d0 fs/namei.c:2487 filename_lookup+0x1c4/0x480 fs/namei.c:2516 user_path_at_empty+0x5c/0x84 fs/namei.c:2913 user_path_at include/linux/namei.h:57 [inline] do_mount fs/namespace.c:3418 [inline] __do_sys_mount fs/namespace.c:3629 [inline] __se_sys_mount fs/namespace.c:3606 [inline] __arm64_sys_mount+0x464/0x59c fs/namespace.c:3606 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b4 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x130 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x128 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 Showing all locks held in the system: 1 lock held by rcu_tasks_kthre/12: #0: ffff8000153f7c30 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x40/0xbb4 kernel/rcu/tasks.h:517 1 lock held by rcu_tasks_trace/13: #0: ffff8000153f8450 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x40/0xbb4 kernel/rcu/tasks.h:517 3 locks held by kworker/0:1/14: #0: ffff0000d6175938 ((wq_completion)ipv6_addrconf ){+.+.}-{0:0} , at: process_one_work+0x6b8/0x13a4 kernel/workqueue.c:2265 #1: ffff80001ca17c20 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6fc/0x13a4 kernel/workqueue.c:2267 #2: ffff800017890988 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74 1 lock held by khungtaskd/28: #0: ffff8000153f72c0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:349 5 locks held by kworker/u4:3/1337: #0: ffff0000c0845138 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x6b8/0x13a4 kernel/workqueue.c:2265 #1: ffff800024357c20 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x6fc/0x13a4 kernel/workqueue.c:2267 #2: ffff8000178840d0 (pernet_ops_rwsem ){++++}-{3:3} , at: cleanup_net+0x134/0xa84 net/core/net_namespace.c:594 #3: ffff800017890988 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74 #4: ffff8000153fcf78 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:291 [inline] #4: ffff8000153fcf78 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x3fc/0x77c kernel/rcu/tree_exp.h:962 2 locks held by getty/4078: #0: ffff0000d68bc098 (&tty->ldisc_sem){++++}-{0:0} , at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340 #1: ffff800020a0e2f0 (&ldata->atomic_read_lock ){+.+.}-{3:3} , at: n_tty_read+0x2ec/0xfa0 drivers/tty/n_tty.c:2198 1 lock held by syz.0.17/4510: 1 lock held by syz.0.17/4511: #0: ffff0000f40b0198 (&type->i_mutex_dir_key#8){++++}-{3:3}, at: inode_lock_shared include/linux/fs.h:768 [inline] #0: ffff0000f40b0198 (&type->i_mutex_dir_key#8){++++}-{3:3}, at: lookup_slow+0x4c/0x80 fs/namei.c:1714 1 lock held by syz.2.19/4537: 1 lock held by syz.2.19/4540: #0: ffff0000f40b0c48 (&type->i_mutex_dir_key#8){++++}-{3:3}, at: inode_lock_shared include/linux/fs.h:768 [inline] #0: ffff0000f40b0c48 (&type->i_mutex_dir_key#8){++++}-{3:3}, at: lookup_slow+0x4c/0x80 fs/namei.c:1714 1 lock held by syz.1.18/4539: 1 lock held by syz.1.18/4541: #0: ffff0000e5510198 (&type->i_mutex_dir_key#8){++++}-{3:3}, at: inode_lock_shared include/linux/fs.h:768 [inline] #0: ffff0000e5510198 (&type->i_mutex_dir_key#8){++++}-{3:3}, at: lookup_slow+0x4c/0x80 fs/namei.c:1714 1 lock held by syz.3.20/4543: 1 lock held by syz.3.20/4546: #0: ffff0000f40b16f8 (&type->i_mutex_dir_key#8){++++}-{3:3}, at: inode_lock_shared include/linux/fs.h:768 [inline] #0: ffff0000f40b16f8 (&type->i_mutex_dir_key#8){++++}-{3:3}, at: lookup_slow+0x4c/0x80 fs/namei.c:1714 1 lock held by syz.4.21/4545: 1 lock held by syz.4.21/4547: #0: ffff0000e5510c48 (&type->i_mutex_dir_key#8){++++}-{3:3}, at: inode_lock_shared include/linux/fs.h:768 [inline] #0: ffff0000e5510c48 (&type->i_mutex_dir_key#8){++++}-{3:3}, at: lookup_slow+0x4c/0x80 fs/namei.c:1714 1 lock held by syz.5.22/4571: 1 lock held by syz.5.22/4572: #0: ffff0000e55116f8 (&type->i_mutex_dir_key#8){++++}-{3:3}, at: inode_lock_shared include/linux/fs.h:768 [inline] #0: ffff0000e55116f8 (&type->i_mutex_dir_key#8){++++}-{3:3}, at: lookup_slow+0x4c/0x80 fs/namei.c:1714 1 lock held by syz.7.24/4669: 1 lock held by syz.7.24/4672: #0: ffff0000e55121a8 (&type->i_mutex_dir_key#8){++++}-{3:3}, at: inode_lock_shared include/linux/fs.h:768 [inline] ffff0000e55121a8 (&type->i_mutex_dir_key#8){++++}-{3:3}, at: lookup_slow+0x4c/0x80 fs/namei.c:1714 1 lock held by syz.6.23/4676: 1 lock held by syz.6.23/4678: #0: ffff0000f40b21a8 ( &type->i_mutex_dir_key #8 ){++++}-{3:3}, at: inode_lock_shared include/linux/fs.h:768 [inline] ){++++}-{3:3}, at: lookup_slow+0x4c/0x80 fs/namei.c:1714 1 lock held by syz.9.26/4684: 1 lock held by syz.9.26/4685: #0: ffff0000e5512c58 (&type->i_mutex_dir_key#8 ){++++}-{3:3} , at: inode_lock_shared include/linux/fs.h:768 [inline] , at: lookup_slow+0x4c/0x80 fs/namei.c:1714 4 locks held by syz.8.25/4688: 1 lock held by syz.8.25/4690: #0: ffff0000e5513708 (&type->i_mutex_dir_key#8){++++}-{3:3}, at: inode_lock_shared include/linux/fs.h:768 [inline] #0: ffff0000e5513708 (&type->i_mutex_dir_key#8){++++}-{3:3}, at: lookup_slow+0x4c/0x80 fs/namei.c:1714 1 lock held by syz-executor/10840: #0: ffff800017890988 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017890988 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x650/0xcdc net/core/rtnetlink.c:6154 ============================================= final repro crashed as (corrupted=false): INFO: task syz.0.17:4511 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.0.17 state:D stack:0 pid:4511 ppid:4460 flags:0x00000001 Call trace: __switch_to+0x2f4/0x550 arch/arm64/kernel/process.c:555 context_switch kernel/sched/core.c:5245 [inline] __schedule+0xdd0/0x1b0c kernel/sched/core.c:6562 schedule+0xc4/0x170 kernel/sched/core.c:6638 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6697 rwsem_down_read_slowpath+0x4b8/0x79c kernel/locking/rwsem.c:1094 __down_read_common kernel/locking/rwsem.c:1261 [inline] __down_read kernel/locking/rwsem.c:1274 [inline] down_read+0xa8/0x300 kernel/locking/rwsem.c:1522 inode_lock_shared include/linux/fs.h:768 [inline] lookup_slow+0x4c/0x80 fs/namei.c:1714 walk_component+0x270/0x364 fs/namei.c:2006 lookup_last fs/namei.c:2463 [inline] path_lookupat+0x13c/0x3d0 fs/namei.c:2487 filename_lookup+0x1c4/0x480 fs/namei.c:2516 user_path_at_empty+0x5c/0x84 fs/namei.c:2913 user_path_at include/linux/namei.h:57 [inline] do_mount fs/namespace.c:3418 [inline] __do_sys_mount fs/namespace.c:3629 [inline] __se_sys_mount fs/namespace.c:3606 [inline] __arm64_sys_mount+0x464/0x59c fs/namespace.c:3606 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b4 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x130 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x128 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 Showing all locks held in the system: 1 lock held by rcu_tasks_kthre/12: #0: ffff8000153f7c30 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x40/0xbb4 kernel/rcu/tasks.h:517 1 lock held by rcu_tasks_trace/13: #0: ffff8000153f8450 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x40/0xbb4 kernel/rcu/tasks.h:517 3 locks held by kworker/0:1/14: #0: ffff0000d6175938 ((wq_completion)ipv6_addrconf ){+.+.}-{0:0} , at: process_one_work+0x6b8/0x13a4 kernel/workqueue.c:2265 #1: ffff80001ca17c20 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6fc/0x13a4 kernel/workqueue.c:2267 #2: ffff800017890988 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74 1 lock held by khungtaskd/28: #0: ffff8000153f72c0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:349 5 locks held by kworker/u4:3/1337: #0: ffff0000c0845138 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x6b8/0x13a4 kernel/workqueue.c:2265 #1: ffff800024357c20 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x6fc/0x13a4 kernel/workqueue.c:2267 #2: ffff8000178840d0 (pernet_ops_rwsem ){++++}-{3:3} , at: cleanup_net+0x134/0xa84 net/core/net_namespace.c:594 #3: ffff800017890988 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74 #4: ffff8000153fcf78 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:291 [inline] #4: ffff8000153fcf78 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x3fc/0x77c kernel/rcu/tree_exp.h:962 2 locks held by getty/4078: #0: ffff0000d68bc098 (&tty->ldisc_sem){++++}-{0:0} , at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340 #1: ffff800020a0e2f0 (&ldata->atomic_read_lock ){+.+.}-{3:3} , at: n_tty_read+0x2ec/0xfa0 drivers/tty/n_tty.c:2198 1 lock held by syz.0.17/4510: 1 lock held by syz.0.17/4511: #0: ffff0000f40b0198 (&type->i_mutex_dir_key#8){++++}-{3:3}, at: inode_lock_shared include/linux/fs.h:768 [inline] #0: ffff0000f40b0198 (&type->i_mutex_dir_key#8){++++}-{3:3}, at: lookup_slow+0x4c/0x80 fs/namei.c:1714 1 lock held by syz.2.19/4537: 1 lock held by syz.2.19/4540: #0: ffff0000f40b0c48 (&type->i_mutex_dir_key#8){++++}-{3:3}, at: inode_lock_shared include/linux/fs.h:768 [inline] #0: ffff0000f40b0c48 (&type->i_mutex_dir_key#8){++++}-{3:3}, at: lookup_slow+0x4c/0x80 fs/namei.c:1714 1 lock held by syz.1.18/4539: 1 lock held by syz.1.18/4541: #0: ffff0000e5510198 (&type->i_mutex_dir_key#8){++++}-{3:3}, at: inode_lock_shared include/linux/fs.h:768 [inline] #0: ffff0000e5510198 (&type->i_mutex_dir_key#8){++++}-{3:3}, at: lookup_slow+0x4c/0x80 fs/namei.c:1714 1 lock held by syz.3.20/4543: 1 lock held by syz.3.20/4546: #0: ffff0000f40b16f8 (&type->i_mutex_dir_key#8){++++}-{3:3}, at: inode_lock_shared include/linux/fs.h:768 [inline] #0: ffff0000f40b16f8 (&type->i_mutex_dir_key#8){++++}-{3:3}, at: lookup_slow+0x4c/0x80 fs/namei.c:1714 1 lock held by syz.4.21/4545: 1 lock held by syz.4.21/4547: #0: ffff0000e5510c48 (&type->i_mutex_dir_key#8){++++}-{3:3}, at: inode_lock_shared include/linux/fs.h:768 [inline] #0: ffff0000e5510c48 (&type->i_mutex_dir_key#8){++++}-{3:3}, at: lookup_slow+0x4c/0x80 fs/namei.c:1714 1 lock held by syz.5.22/4571: 1 lock held by syz.5.22/4572: #0: ffff0000e55116f8 (&type->i_mutex_dir_key#8){++++}-{3:3}, at: inode_lock_shared include/linux/fs.h:768 [inline] #0: ffff0000e55116f8 (&type->i_mutex_dir_key#8){++++}-{3:3}, at: lookup_slow+0x4c/0x80 fs/namei.c:1714 1 lock held by syz.7.24/4669: 1 lock held by syz.7.24/4672: #0: ffff0000e55121a8 (&type->i_mutex_dir_key#8){++++}-{3:3}, at: inode_lock_shared include/linux/fs.h:768 [inline] ffff0000e55121a8 (&type->i_mutex_dir_key#8){++++}-{3:3}, at: lookup_slow+0x4c/0x80 fs/namei.c:1714 1 lock held by syz.6.23/4676: 1 lock held by syz.6.23/4678: #0: ffff0000f40b21a8 ( &type->i_mutex_dir_key #8 ){++++}-{3:3}, at: inode_lock_shared include/linux/fs.h:768 [inline] ){++++}-{3:3}, at: lookup_slow+0x4c/0x80 fs/namei.c:1714 1 lock held by syz.9.26/4684: 1 lock held by syz.9.26/4685: #0: ffff0000e5512c58 (&type->i_mutex_dir_key#8 ){++++}-{3:3} , at: inode_lock_shared include/linux/fs.h:768 [inline] , at: lookup_slow+0x4c/0x80 fs/namei.c:1714 4 locks held by syz.8.25/4688: 1 lock held by syz.8.25/4690: #0: ffff0000e5513708 (&type->i_mutex_dir_key#8){++++}-{3:3}, at: inode_lock_shared include/linux/fs.h:768 [inline] #0: ffff0000e5513708 (&type->i_mutex_dir_key#8){++++}-{3:3}, at: lookup_slow+0x4c/0x80 fs/namei.c:1714 1 lock held by syz-executor/10840: #0: ffff800017890988 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800017890988 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x650/0xcdc net/core/rtnetlink.c:6154 =============================================