Extracting prog: 7m51.929359275s Minimizing prog: 2h57m10.257857356s Simplifying prog options: 16m24.803047811s Extracting C: 5m2.006743466s Simplifying C: 0s extracting reproducer from 1 programs testing a last program of every proc single: executing 1 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: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}}): mkdirat-syz_mount_image$fuse-mount-mount-mount$9p_unix-mount-mount$9p_fd-umount2-syz_open_procfs detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc0) syz_mount_image$fuse(0x0, 0x0, 0x2020044, 0x0, 0x4, 0x0, 0x0) mount(0x0, &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='mqueue\x00', 0x200000, 0x0) mount(0x0, &(0x7f0000000140)='./file0\x00', 0x0, 0x100419, 0x0) mount$9p_unix(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./cgroup\x00', 0x0, 0x101015, 0x0) mount(&(0x7f0000000080)=@filename='./cgroup\x00', &(0x7f0000000040)='./cgroup\x00', 0x0, 0x1001, 0x0) (async, rerun: 64) mount$9p_fd(0x0, &(0x7f00000001c0)='./cgroup\x00', 0x0, 0x80000, 0x0) (async) umount2(&(0x7f0000000040)='./file0\x00', 0x2) syz_open_procfs(0x0, 0x0) program did not crash single: failed to extract reproducer single: executing 1 programs separately with timeout 1m40s testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_mount_image$fuse-mount-mount-mount$9p_unix-mount-mount$9p_fd-umount2-syz_open_procfs detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc0) syz_mount_image$fuse(0x0, 0x0, 0x2020044, 0x0, 0x4, 0x0, 0x0) mount(0x0, &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='mqueue\x00', 0x200000, 0x0) mount(0x0, &(0x7f0000000140)='./file0\x00', 0x0, 0x100419, 0x0) mount$9p_unix(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./cgroup\x00', 0x0, 0x101015, 0x0) mount(&(0x7f0000000080)=@filename='./cgroup\x00', &(0x7f0000000040)='./cgroup\x00', 0x0, 0x1001, 0x0) (async, rerun: 64) mount$9p_fd(0x0, &(0x7f00000001c0)='./cgroup\x00', 0x0, 0x80000, 0x0) (async) umount2(&(0x7f0000000040)='./file0\x00', 0x2) syz_open_procfs(0x0, 0x0) program did not crash single: failed to extract reproducer single: executing 1 programs separately with timeout 6m0s testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_mount_image$fuse-mount-mount-mount$9p_unix-mount-mount$9p_fd-umount2-syz_open_procfs detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc0) syz_mount_image$fuse(0x0, 0x0, 0x2020044, 0x0, 0x4, 0x0, 0x0) mount(0x0, &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='mqueue\x00', 0x200000, 0x0) mount(0x0, &(0x7f0000000140)='./file0\x00', 0x0, 0x100419, 0x0) mount$9p_unix(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./cgroup\x00', 0x0, 0x101015, 0x0) mount(&(0x7f0000000080)=@filename='./cgroup\x00', &(0x7f0000000040)='./cgroup\x00', 0x0, 0x1001, 0x0) (async, rerun: 64) mount$9p_fd(0x0, &(0x7f00000001c0)='./cgroup\x00', 0x0, 0x80000, 0x0) (async) umount2(&(0x7f0000000040)='./file0\x00', 0x2) syz_open_procfs(0x0, 0x0) program crashed: panic: Sentry detected stuck tasks single: successfully extracted reproducer found reproducer with 9 syscalls minimizing guilty program testing program (duration=8m12.341090541s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_mount_image$fuse-mount-mount-mount$9p_unix-mount-mount$9p_fd-umount2 detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc0) syz_mount_image$fuse(0x0, 0x0, 0x2020044, 0x0, 0x4, 0x0, 0x0) mount(0x0, &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='mqueue\x00', 0x200000, 0x0) mount(0x0, &(0x7f0000000140)='./file0\x00', 0x0, 0x100419, 0x0) mount$9p_unix(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./cgroup\x00', 0x0, 0x101015, 0x0) mount(&(0x7f0000000080)=@filename='./cgroup\x00', &(0x7f0000000040)='./cgroup\x00', 0x0, 0x1001, 0x0) (async, rerun: 64) mount$9p_fd(0x0, &(0x7f00000001c0)='./cgroup\x00', 0x0, 0x80000, 0x0) (async) umount2(&(0x7f0000000040)='./file0\x00', 0x2) program crashed: panic: Sentry detected stuck tasks testing program (duration=8m12.341090541s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_mount_image$fuse-mount-mount-mount$9p_unix-mount-mount$9p_fd detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc0) syz_mount_image$fuse(0x0, 0x0, 0x2020044, 0x0, 0x4, 0x0, 0x0) mount(0x0, &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='mqueue\x00', 0x200000, 0x0) mount(0x0, &(0x7f0000000140)='./file0\x00', 0x0, 0x100419, 0x0) mount$9p_unix(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./cgroup\x00', 0x0, 0x101015, 0x0) mount(&(0x7f0000000080)=@filename='./cgroup\x00', &(0x7f0000000040)='./cgroup\x00', 0x0, 0x1001, 0x0) (async, rerun: 64) mount$9p_fd(0x0, &(0x7f00000001c0)='./cgroup\x00', 0x0, 0x80000, 0x0) (async) program did not crash testing program (duration=8m12.341090541s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_mount_image$fuse-mount-mount-mount$9p_unix-mount-umount2 detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc0) syz_mount_image$fuse(0x0, 0x0, 0x2020044, 0x0, 0x4, 0x0, 0x0) mount(0x0, &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='mqueue\x00', 0x200000, 0x0) mount(0x0, &(0x7f0000000140)='./file0\x00', 0x0, 0x100419, 0x0) mount$9p_unix(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./cgroup\x00', 0x0, 0x101015, 0x0) mount(&(0x7f0000000080)=@filename='./cgroup\x00', &(0x7f0000000040)='./cgroup\x00', 0x0, 0x1001, 0x0) (async, rerun: 64) umount2(&(0x7f0000000040)='./file0\x00', 0x2) program did not crash testing program (duration=8m12.341090541s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_mount_image$fuse-mount-mount-mount$9p_unix-mount$9p_fd-umount2 detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc0) syz_mount_image$fuse(0x0, 0x0, 0x2020044, 0x0, 0x4, 0x0, 0x0) mount(0x0, &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='mqueue\x00', 0x200000, 0x0) mount(0x0, &(0x7f0000000140)='./file0\x00', 0x0, 0x100419, 0x0) mount$9p_unix(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./cgroup\x00', 0x0, 0x101015, 0x0) mount$9p_fd(0x0, &(0x7f00000001c0)='./cgroup\x00', 0x0, 0x80000, 0x0) (async) umount2(&(0x7f0000000040)='./file0\x00', 0x2) program did not crash testing program (duration=8m12.341090541s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_mount_image$fuse-mount-mount-mount-mount$9p_fd-umount2 detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc0) syz_mount_image$fuse(0x0, 0x0, 0x2020044, 0x0, 0x4, 0x0, 0x0) mount(0x0, &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='mqueue\x00', 0x200000, 0x0) mount(0x0, &(0x7f0000000140)='./file0\x00', 0x0, 0x100419, 0x0) mount(&(0x7f0000000080)=@filename='./cgroup\x00', &(0x7f0000000040)='./cgroup\x00', 0x0, 0x1001, 0x0) (async, rerun: 64) mount$9p_fd(0x0, &(0x7f00000001c0)='./cgroup\x00', 0x0, 0x80000, 0x0) (async) umount2(&(0x7f0000000040)='./file0\x00', 0x2) program did not crash testing program (duration=8m12.341090541s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_mount_image$fuse-mount-mount$9p_unix-mount-mount$9p_fd-umount2 detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc0) syz_mount_image$fuse(0x0, 0x0, 0x2020044, 0x0, 0x4, 0x0, 0x0) mount(0x0, &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='mqueue\x00', 0x200000, 0x0) mount$9p_unix(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./cgroup\x00', 0x0, 0x101015, 0x0) mount(&(0x7f0000000080)=@filename='./cgroup\x00', &(0x7f0000000040)='./cgroup\x00', 0x0, 0x1001, 0x0) (async, rerun: 64) mount$9p_fd(0x0, &(0x7f00000001c0)='./cgroup\x00', 0x0, 0x80000, 0x0) (async) umount2(&(0x7f0000000040)='./file0\x00', 0x2) program did not crash testing program (duration=8m12.341090541s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_mount_image$fuse-mount-mount$9p_unix-mount-mount$9p_fd-umount2 detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc0) syz_mount_image$fuse(0x0, 0x0, 0x2020044, 0x0, 0x4, 0x0, 0x0) mount(0x0, &(0x7f0000000140)='./file0\x00', 0x0, 0x100419, 0x0) mount$9p_unix(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./cgroup\x00', 0x0, 0x101015, 0x0) mount(&(0x7f0000000080)=@filename='./cgroup\x00', &(0x7f0000000040)='./cgroup\x00', 0x0, 0x1001, 0x0) (async, rerun: 64) mount$9p_fd(0x0, &(0x7f00000001c0)='./cgroup\x00', 0x0, 0x80000, 0x0) (async) umount2(&(0x7f0000000040)='./file0\x00', 0x2) program did not crash testing program (duration=8m12.341090541s, {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: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}}): mkdirat-mount-mount-mount$9p_unix-mount-mount$9p_fd-umount2 detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc0) mount(0x0, &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='mqueue\x00', 0x200000, 0x0) mount(0x0, &(0x7f0000000140)='./file0\x00', 0x0, 0x100419, 0x0) mount$9p_unix(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./cgroup\x00', 0x0, 0x101015, 0x0) mount(&(0x7f0000000080)=@filename='./cgroup\x00', &(0x7f0000000040)='./cgroup\x00', 0x0, 0x1001, 0x0) (async, rerun: 64) mount$9p_fd(0x0, &(0x7f00000001c0)='./cgroup\x00', 0x0, 0x80000, 0x0) (async) umount2(&(0x7f0000000040)='./file0\x00', 0x2) program crashed: panic: Sentry detected stuck tasks testing program (duration=8m12.341090541s, {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: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}}): mount-mount-mount$9p_unix-mount-mount$9p_fd-umount2 detailed listing: executing program 0: mount(0x0, &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='mqueue\x00', 0x200000, 0x0) mount(0x0, &(0x7f0000000140)='./file0\x00', 0x0, 0x100419, 0x0) mount$9p_unix(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./cgroup\x00', 0x0, 0x101015, 0x0) mount(&(0x7f0000000080)=@filename='./cgroup\x00', &(0x7f0000000040)='./cgroup\x00', 0x0, 0x1001, 0x0) (async, rerun: 64) mount$9p_fd(0x0, &(0x7f00000001c0)='./cgroup\x00', 0x0, 0x80000, 0x0) (async) umount2(&(0x7f0000000040)='./file0\x00', 0x2) program did not crash testing program (duration=8m12.341090541s, {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: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}}): mkdirat-mount-mount-mount$9p_unix-mount-mount$9p_fd-umount2 detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc0) mount(0x0, &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='mqueue\x00', 0x200000, 0x0) mount(0x0, &(0x7f0000000140)='./file0\x00', 0x0, 0x100419, 0x0) mount$9p_unix(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./cgroup\x00', 0x0, 0x101015, 0x0) mount(&(0x7f0000000080)=@filename='./cgroup\x00', &(0x7f0000000040)='./cgroup\x00', 0x0, 0x1001, 0x0) mount$9p_fd(0x0, &(0x7f00000001c0)='./cgroup\x00', 0x0, 0x80000, 0x0) umount2(&(0x7f0000000040)='./file0\x00', 0x2) program did not crash testing program (duration=8m12.341090541s, {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: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}}): mkdirat-mount-mount-mount$9p_unix-mount-mount$9p_fd-umount2 detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, 0x0, 0xc0) mount(0x0, &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='mqueue\x00', 0x200000, 0x0) mount(0x0, &(0x7f0000000140)='./file0\x00', 0x0, 0x100419, 0x0) mount$9p_unix(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./cgroup\x00', 0x0, 0x101015, 0x0) mount(&(0x7f0000000080)=@filename='./cgroup\x00', &(0x7f0000000040)='./cgroup\x00', 0x0, 0x1001, 0x0) (async, rerun: 64) mount$9p_fd(0x0, &(0x7f00000001c0)='./cgroup\x00', 0x0, 0x80000, 0x0) (async) umount2(&(0x7f0000000040)='./file0\x00', 0x2) program did not crash testing program (duration=8m12.341090541s, {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: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}}): mkdirat-mount-mount-mount$9p_unix-mount-mount$9p_fd-umount2 detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc0) mount(0x0, 0x0, &(0x7f0000000140)='mqueue\x00', 0x200000, 0x0) mount(0x0, &(0x7f0000000140)='./file0\x00', 0x0, 0x100419, 0x0) mount$9p_unix(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./cgroup\x00', 0x0, 0x101015, 0x0) mount(&(0x7f0000000080)=@filename='./cgroup\x00', &(0x7f0000000040)='./cgroup\x00', 0x0, 0x1001, 0x0) (async, rerun: 64) mount$9p_fd(0x0, &(0x7f00000001c0)='./cgroup\x00', 0x0, 0x80000, 0x0) (async) umount2(&(0x7f0000000040)='./file0\x00', 0x2) program did not crash testing program (duration=8m12.341090541s, {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: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}}): mkdirat-mount-mount-mount$9p_unix-mount-mount$9p_fd-umount2 detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc0) mount(0x0, &(0x7f0000000100)='./file0\x00', 0x0, 0x200000, 0x0) mount(0x0, &(0x7f0000000140)='./file0\x00', 0x0, 0x100419, 0x0) mount$9p_unix(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./cgroup\x00', 0x0, 0x101015, 0x0) mount(&(0x7f0000000080)=@filename='./cgroup\x00', &(0x7f0000000040)='./cgroup\x00', 0x0, 0x1001, 0x0) (async, rerun: 64) mount$9p_fd(0x0, &(0x7f00000001c0)='./cgroup\x00', 0x0, 0x80000, 0x0) (async) umount2(&(0x7f0000000040)='./file0\x00', 0x2) program did not crash testing program (duration=8m12.341090541s, {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: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}}): mkdirat-mount-mount-mount$9p_unix-mount-mount$9p_fd-umount2 detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc0) mount(0x0, &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='mqueue\x00', 0x200000, 0x0) mount(0x0, 0x0, 0x0, 0x100419, 0x0) mount$9p_unix(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./cgroup\x00', 0x0, 0x101015, 0x0) mount(&(0x7f0000000080)=@filename='./cgroup\x00', &(0x7f0000000040)='./cgroup\x00', 0x0, 0x1001, 0x0) (async, rerun: 64) mount$9p_fd(0x0, &(0x7f00000001c0)='./cgroup\x00', 0x0, 0x80000, 0x0) (async) umount2(&(0x7f0000000040)='./file0\x00', 0x2) program did not crash testing program (duration=8m12.341090541s, {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: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}}): mkdirat-mount-mount-mount$9p_unix-mount-mount$9p_fd-umount2 detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc0) mount(0x0, &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='mqueue\x00', 0x200000, 0x0) mount(0x0, &(0x7f0000000140)='./file0\x00', 0x0, 0x100419, 0x0) mount$9p_unix(0x0, &(0x7f0000000040)='./cgroup\x00', 0x0, 0x101015, 0x0) mount(&(0x7f0000000080)=@filename='./cgroup\x00', &(0x7f0000000040)='./cgroup\x00', 0x0, 0x1001, 0x0) (async, rerun: 64) mount$9p_fd(0x0, &(0x7f00000001c0)='./cgroup\x00', 0x0, 0x80000, 0x0) (async) umount2(&(0x7f0000000040)='./file0\x00', 0x2) program did not crash testing program (duration=8m12.341090541s, {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: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}}): mkdirat-mount-mount-mount$9p_unix-mount-mount$9p_fd-umount2 detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc0) mount(0x0, &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='mqueue\x00', 0x200000, 0x0) mount(0x0, &(0x7f0000000140)='./file0\x00', 0x0, 0x100419, 0x0) mount$9p_unix(&(0x7f0000000000)='./file0\x00', 0x0, 0x0, 0x101015, 0x0) mount(&(0x7f0000000080)=@filename='./cgroup\x00', &(0x7f0000000040)='./cgroup\x00', 0x0, 0x1001, 0x0) (async, rerun: 64) mount$9p_fd(0x0, &(0x7f00000001c0)='./cgroup\x00', 0x0, 0x80000, 0x0) (async) umount2(&(0x7f0000000040)='./file0\x00', 0x2) program did not crash testing program (duration=8m12.341090541s, {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: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}}): mkdirat-mount-mount-mount$9p_unix-mount-mount$9p_fd-umount2 detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc0) mount(0x0, &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='mqueue\x00', 0x200000, 0x0) mount(0x0, &(0x7f0000000140)='./file0\x00', 0x0, 0x100419, 0x0) mount$9p_unix(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./cgroup\x00', 0x0, 0x101015, 0x0) mount(0x0, &(0x7f0000000040)='./cgroup\x00', 0x0, 0x1001, 0x0) (async, rerun: 64) mount$9p_fd(0x0, &(0x7f00000001c0)='./cgroup\x00', 0x0, 0x80000, 0x0) (async) umount2(&(0x7f0000000040)='./file0\x00', 0x2) program did not crash testing program (duration=8m12.341090541s, {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: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}}): mkdirat-mount-mount-mount$9p_unix-mount-mount$9p_fd-umount2 detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc0) mount(0x0, &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='mqueue\x00', 0x200000, 0x0) mount(0x0, &(0x7f0000000140)='./file0\x00', 0x0, 0x100419, 0x0) mount$9p_unix(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./cgroup\x00', 0x0, 0x101015, 0x0) mount(&(0x7f0000000080)=@filename='./cgroup\x00', 0x0, 0x0, 0x1001, 0x0) (async, rerun: 64) mount$9p_fd(0x0, &(0x7f00000001c0)='./cgroup\x00', 0x0, 0x80000, 0x0) (async) umount2(&(0x7f0000000040)='./file0\x00', 0x2) program did not crash testing program (duration=8m12.341090541s, {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: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}}): mkdirat-mount-mount-mount$9p_unix-mount-mount$9p_fd-umount2 detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc0) mount(0x0, &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='mqueue\x00', 0x200000, 0x0) mount(0x0, &(0x7f0000000140)='./file0\x00', 0x0, 0x100419, 0x0) mount$9p_unix(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./cgroup\x00', 0x0, 0x101015, 0x0) mount(&(0x7f0000000080)=@filename='./cgroup\x00', &(0x7f0000000040)='./cgroup\x00', 0x0, 0x1001, 0x0) (rerun: 64) mount$9p_fd(0x0, &(0x7f00000001c0)='./cgroup\x00', 0x0, 0x80000, 0x0) (async) umount2(&(0x7f0000000040)='./file0\x00', 0x2) program did not crash testing program (duration=8m12.341090541s, {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: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}}): mkdirat-mount-mount-mount$9p_unix-mount-mount$9p_fd-umount2 detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc0) mount(0x0, &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='mqueue\x00', 0x200000, 0x0) mount(0x0, &(0x7f0000000140)='./file0\x00', 0x0, 0x100419, 0x0) mount$9p_unix(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./cgroup\x00', 0x0, 0x101015, 0x0) mount(&(0x7f0000000080)=@filename='./cgroup\x00', &(0x7f0000000040)='./cgroup\x00', 0x0, 0x1001, 0x0) (async) mount$9p_fd(0x0, &(0x7f00000001c0)='./cgroup\x00', 0x0, 0x80000, 0x0) (async) umount2(&(0x7f0000000040)='./file0\x00', 0x2) program did not crash testing program (duration=8m12.341090541s, {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: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}}): mkdirat-mount-mount-mount$9p_unix-mount-mount$9p_fd-umount2 detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc0) mount(0x0, &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='mqueue\x00', 0x200000, 0x0) mount(0x0, &(0x7f0000000140)='./file0\x00', 0x0, 0x100419, 0x0) mount$9p_unix(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./cgroup\x00', 0x0, 0x101015, 0x0) mount(&(0x7f0000000080)=@filename='./cgroup\x00', &(0x7f0000000040)='./cgroup\x00', 0x0, 0x1001, 0x0) (async, rerun: 64) mount$9p_fd(0x0, 0x0, 0x0, 0x80000, 0x0) (async) umount2(&(0x7f0000000040)='./file0\x00', 0x2) program did not crash testing program (duration=8m12.341090541s, {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: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}}): mkdirat-mount-mount-mount$9p_unix-mount-mount$9p_fd-umount2 detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc0) mount(0x0, &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='mqueue\x00', 0x200000, 0x0) mount(0x0, &(0x7f0000000140)='./file0\x00', 0x0, 0x100419, 0x0) mount$9p_unix(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./cgroup\x00', 0x0, 0x101015, 0x0) mount(&(0x7f0000000080)=@filename='./cgroup\x00', &(0x7f0000000040)='./cgroup\x00', 0x0, 0x1001, 0x0) (async, rerun: 64) mount$9p_fd(0x0, &(0x7f00000001c0)='./cgroup\x00', 0x0, 0x80000, 0x0) umount2(&(0x7f0000000040)='./file0\x00', 0x2) program crashed: panic: Sentry detected stuck tasks testing program (duration=8m12.341090541s, {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: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}}): mkdirat-mount-mount-mount$9p_unix-mount-mount$9p_fd-umount2 detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc0) mount(0x0, &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='mqueue\x00', 0x200000, 0x0) mount(0x0, &(0x7f0000000140)='./file0\x00', 0x0, 0x100419, 0x0) mount$9p_unix(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./cgroup\x00', 0x0, 0x101015, 0x0) mount(&(0x7f0000000080)=@filename='./cgroup\x00', &(0x7f0000000040)='./cgroup\x00', 0x0, 0x1001, 0x0) (async, rerun: 64) mount$9p_fd(0x0, &(0x7f00000001c0)='./cgroup\x00', 0x0, 0x80000, 0x0) umount2(0x0, 0x2) program did not crash extracting C reproducer testing compiled C program (duration=8m12.341090541s, {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: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}}): mkdirat-mount-mount-mount$9p_unix-mount-mount$9p_fd-umount2 program crashed: no output from test machine a never seen crash title: no output from test machine, ignore simplifying guilty program options testing program (duration=8m12.341090541s, {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: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}}): mkdirat-mount-mount-mount$9p_unix-mount-mount$9p_fd-umount2 detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc0) mount(0x0, &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='mqueue\x00', 0x200000, 0x0) mount(0x0, &(0x7f0000000140)='./file0\x00', 0x0, 0x100419, 0x0) mount$9p_unix(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./cgroup\x00', 0x0, 0x101015, 0x0) mount(&(0x7f0000000080)=@filename='./cgroup\x00', &(0x7f0000000040)='./cgroup\x00', 0x0, 0x1001, 0x0) (async, rerun: 64) mount$9p_fd(0x0, &(0x7f00000001c0)='./cgroup\x00', 0x0, 0x80000, 0x0) umount2(&(0x7f0000000040)='./file0\x00', 0x2) program did not crash testing program (duration=8m12.341090541s, {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: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}}): mkdirat-mount-mount-mount$9p_unix-mount-mount$9p_fd-umount2 detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc0) mount(0x0, &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='mqueue\x00', 0x200000, 0x0) mount(0x0, &(0x7f0000000140)='./file0\x00', 0x0, 0x100419, 0x0) mount$9p_unix(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./cgroup\x00', 0x0, 0x101015, 0x0) mount(&(0x7f0000000080)=@filename='./cgroup\x00', &(0x7f0000000040)='./cgroup\x00', 0x0, 0x1001, 0x0) (async, rerun: 64) mount$9p_fd(0x0, &(0x7f00000001c0)='./cgroup\x00', 0x0, 0x80000, 0x0) umount2(&(0x7f0000000040)='./file0\x00', 0x2) program did not crash testing program (duration=8m12.341090541s, {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: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}}): mkdirat-mount-mount-mount$9p_unix-mount-mount$9p_fd-umount2 detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc0) mount(0x0, &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='mqueue\x00', 0x200000, 0x0) mount(0x0, &(0x7f0000000140)='./file0\x00', 0x0, 0x100419, 0x0) mount$9p_unix(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./cgroup\x00', 0x0, 0x101015, 0x0) mount(&(0x7f0000000080)=@filename='./cgroup\x00', &(0x7f0000000040)='./cgroup\x00', 0x0, 0x1001, 0x0) (async, rerun: 64) mount$9p_fd(0x0, &(0x7f00000001c0)='./cgroup\x00', 0x0, 0x80000, 0x0) umount2(&(0x7f0000000040)='./file0\x00', 0x2) program crashed: panic: Sentry detected stuck tasks validation run: crashed=true testing program (duration=8m12.341090541s, {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: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}}): mkdirat-mount-mount-mount$9p_unix-mount-mount$9p_fd-umount2 detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc0) mount(0x0, &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='mqueue\x00', 0x200000, 0x0) mount(0x0, &(0x7f0000000140)='./file0\x00', 0x0, 0x100419, 0x0) mount$9p_unix(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./cgroup\x00', 0x0, 0x101015, 0x0) mount(&(0x7f0000000080)=@filename='./cgroup\x00', &(0x7f0000000040)='./cgroup\x00', 0x0, 0x1001, 0x0) (async, rerun: 64) mount$9p_fd(0x0, &(0x7f00000001c0)='./cgroup\x00', 0x0, 0x80000, 0x0) umount2(&(0x7f0000000040)='./file0\x00', 0x2) program crashed: panic: Sentry detected stuck tasks validation run: crashed=true testing program (duration=8m12.341090541s, {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: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}}): mkdirat-mount-mount-mount$9p_unix-mount-mount$9p_fd-umount2 detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc0) mount(0x0, &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='mqueue\x00', 0x200000, 0x0) mount(0x0, &(0x7f0000000140)='./file0\x00', 0x0, 0x100419, 0x0) mount$9p_unix(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./cgroup\x00', 0x0, 0x101015, 0x0) mount(&(0x7f0000000080)=@filename='./cgroup\x00', &(0x7f0000000040)='./cgroup\x00', 0x0, 0x1001, 0x0) (async, rerun: 64) mount$9p_fd(0x0, &(0x7f00000001c0)='./cgroup\x00', 0x0, 0x80000, 0x0) umount2(&(0x7f0000000040)='./file0\x00', 0x2) program crashed: panic: Sentry detected stuck tasks validation run: crashed=true reproducing took 3h39m18.695540245s repro crashed as (corrupted=false): panic: Sentry detected 5 stuck task(s): Task tid: 73 (goroutine 485), entered RunSys state 3m1.41s ago. Task tid: 69 (goroutine 500), entered RunSys state 3m1.76s ago. Task tid: 89 (goroutine 587), entered RunSys state 3m0.9s ago. Task tid: 90 (goroutine 545), entered RunSys state 3m0.9s ago. Task tid: 70 (goroutine 502), entered RunSys state 3m1.3s ago. Search for 'goroutine ' in the stack dump to find the offending goroutine(s) Stack for running G's are skipped while panicking. final repro crashed as (corrupted=false): panic: Sentry detected 5 stuck task(s): Task tid: 73 (goroutine 485), entered RunSys state 3m1.41s ago. Task tid: 69 (goroutine 500), entered RunSys state 3m1.76s ago. Task tid: 89 (goroutine 587), entered RunSys state 3m0.9s ago. Task tid: 90 (goroutine 545), entered RunSys state 3m0.9s ago. Task tid: 70 (goroutine 502), entered RunSys state 3m1.3s ago. Search for 'goroutine ' in the stack dump to find the offending goroutine(s) Stack for running G's are skipped while panicking.