Extracting prog: 5m26.663226806s
Minimizing prog: 2h35m46.585087754s
Simplifying prog options: 0s
Extracting C: 1m29.517740347s
Simplifying C: 1h6m3.647708005s


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: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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdirat-mount$overlay-mount$overlay-rmdir-umount2-mount$overlay
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1c0)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)) (async)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
rmdir(&(0x7f0000000200)='./file0/file1\x00')
umount2(&(0x7f00000002c0)='./file0\x00', 0x9)
mount$overlay(0x0, &(0x7f0000000100)='./bus\x00', &(0x7f0000000080), 0x8, &(0x7f0000000700)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})

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: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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdirat-mount$overlay-mount$overlay-rmdir-umount2-mount$overlay
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1c0)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)) (async)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
rmdir(&(0x7f0000000200)='./file0/file1\x00')
umount2(&(0x7f00000002c0)='./file0\x00', 0x9)
mount$overlay(0x0, &(0x7f0000000100)='./bus\x00', &(0x7f0000000080), 0x8, &(0x7f0000000700)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})

program crashed: BUG: corrupted list in __dentry_kill
single: successfully extracted reproducer
found reproducer with 8 syscalls
minimizing guilty program
testing program (duration=6m10.387054549s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdirat-mount$overlay-mount$overlay-rmdir-umount2
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1c0)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)) (async)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
rmdir(&(0x7f0000000200)='./file0/file1\x00')
umount2(&(0x7f00000002c0)='./file0\x00', 0x9)

program did not crash
testing program (duration=6m10.387054549s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdirat-mount$overlay-mount$overlay-rmdir-mount$overlay
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1c0)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)) (async)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
rmdir(&(0x7f0000000200)='./file0/file1\x00')
mount$overlay(0x0, &(0x7f0000000100)='./bus\x00', &(0x7f0000000080), 0x8, &(0x7f0000000700)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})

program did not crash
testing program (duration=6m10.387054549s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdirat-mount$overlay-mount$overlay-umount2-mount$overlay
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1c0)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)) (async)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
umount2(&(0x7f00000002c0)='./file0\x00', 0x9)
mount$overlay(0x0, &(0x7f0000000100)='./bus\x00', &(0x7f0000000080), 0x8, &(0x7f0000000700)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})

program did not crash
testing program (duration=6m10.387054549s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdirat-mount$overlay-rmdir-umount2-mount$overlay
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1c0)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)) (async)
rmdir(&(0x7f0000000200)='./file0/file1\x00')
umount2(&(0x7f00000002c0)='./file0\x00', 0x9)
mount$overlay(0x0, &(0x7f0000000100)='./bus\x00', &(0x7f0000000080), 0x8, &(0x7f0000000700)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})

program did not crash
testing program (duration=6m10.387054549s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdirat-mount$overlay-rmdir-umount2-mount$overlay
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1c0)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
rmdir(&(0x7f0000000200)='./file0/file1\x00')
umount2(&(0x7f00000002c0)='./file0\x00', 0x9)
mount$overlay(0x0, &(0x7f0000000100)='./bus\x00', &(0x7f0000000080), 0x8, &(0x7f0000000700)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})

program did not crash
testing program (duration=6m10.387054549s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mount$overlay-mount$overlay-rmdir-umount2-mount$overlay
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)) (async)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
rmdir(&(0x7f0000000200)='./file0/file1\x00')
umount2(&(0x7f00000002c0)='./file0\x00', 0x9)
mount$overlay(0x0, &(0x7f0000000100)='./bus\x00', &(0x7f0000000080), 0x8, &(0x7f0000000700)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})

program did not crash
testing program (duration=6m10.387054549s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mount$overlay-mount$overlay-rmdir-umount2-mount$overlay
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1c0)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)) (async)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
rmdir(&(0x7f0000000200)='./file0/file1\x00')
umount2(&(0x7f00000002c0)='./file0\x00', 0x9)
mount$overlay(0x0, &(0x7f0000000100)='./bus\x00', &(0x7f0000000080), 0x8, &(0x7f0000000700)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})

program did not crash
testing program (duration=6m10.387054549s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mount$overlay-mount$overlay-rmdir-umount2-mount$overlay
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1c0)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)) (async)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
rmdir(&(0x7f0000000200)='./file0/file1\x00')
umount2(&(0x7f00000002c0)='./file0\x00', 0x9)
mount$overlay(0x0, &(0x7f0000000100)='./bus\x00', &(0x7f0000000080), 0x8, &(0x7f0000000700)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})

program did not crash
testing program (duration=6m10.387054549s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdirat-mount$overlay-mount$overlay-rmdir-umount2-mount$overlay
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1c0)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180))
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
rmdir(&(0x7f0000000200)='./file0/file1\x00')
umount2(&(0x7f00000002c0)='./file0\x00', 0x9)
mount$overlay(0x0, &(0x7f0000000100)='./bus\x00', &(0x7f0000000080), 0x8, &(0x7f0000000700)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})

program did not crash
testing program (duration=6m10.387054549s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdirat-mount$overlay-mount$overlay-rmdir-umount2-mount$overlay
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1c0)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)) (async)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
rmdir(&(0x7f0000000200)='./file0/file1\x00')
umount2(&(0x7f00000002c0)='./file0\x00', 0x9)
mount$overlay(0x0, &(0x7f0000000100)='./bus\x00', &(0x7f0000000080), 0x8, &(0x7f0000000700)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})

program did not crash
testing program (duration=6m10.387054549s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdirat-mount$overlay-mount$overlay-rmdir-umount2-mount$overlay
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x0)
mkdirat(0xffffffffffffff9c, 0x0, 0x1e0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1c0)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)) (async)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
rmdir(&(0x7f0000000200)='./file0/file1\x00')
umount2(&(0x7f00000002c0)='./file0\x00', 0x9)
mount$overlay(0x0, &(0x7f0000000100)='./bus\x00', &(0x7f0000000080), 0x8, &(0x7f0000000700)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})

program did not crash
testing program (duration=6m10.387054549s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdirat-mount$overlay-mount$overlay-rmdir-umount2-mount$overlay
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0)
mkdirat(0xffffffffffffff9c, 0x0, 0x1c0)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)) (async)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
rmdir(&(0x7f0000000200)='./file0/file1\x00')
umount2(&(0x7f00000002c0)='./file0\x00', 0x9)
mount$overlay(0x0, &(0x7f0000000100)='./bus\x00', &(0x7f0000000080), 0x8, &(0x7f0000000700)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})

program did not crash
testing program (duration=6m10.387054549s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdirat-mount$overlay-mount$overlay-rmdir-umount2-mount$overlay
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1c0)
mount$overlay(0x0, 0x0, &(0x7f0000000b80), 0x0, &(0x7f0000000180)) (async)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
rmdir(&(0x7f0000000200)='./file0/file1\x00')
umount2(&(0x7f00000002c0)='./file0\x00', 0x9)
mount$overlay(0x0, &(0x7f0000000100)='./bus\x00', &(0x7f0000000080), 0x8, &(0x7f0000000700)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})

program did not crash
testing program (duration=6m10.387054549s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdirat-mount$overlay-mount$overlay-rmdir-umount2-mount$overlay
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1c0)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', 0x0, 0x0, &(0x7f0000000180)) (async)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
rmdir(&(0x7f0000000200)='./file0/file1\x00')
umount2(&(0x7f00000002c0)='./file0\x00', 0x9)
mount$overlay(0x0, &(0x7f0000000100)='./bus\x00', &(0x7f0000000080), 0x8, &(0x7f0000000700)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})

program did not crash
testing program (duration=6m10.387054549s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdirat-mount$overlay-mount$overlay-rmdir-umount2-mount$overlay
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1c0)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, 0x0) (async)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
rmdir(&(0x7f0000000200)='./file0/file1\x00')
umount2(&(0x7f00000002c0)='./file0\x00', 0x9)
mount$overlay(0x0, &(0x7f0000000100)='./bus\x00', &(0x7f0000000080), 0x8, &(0x7f0000000700)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})

program did not crash
testing program (duration=6m10.387054549s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdirat-mount$overlay-mount$overlay-rmdir-umount2-mount$overlay
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1c0)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)) (async)
mount$overlay(0x0, 0x0, &(0x7f0000000b80), 0x0, &(0x7f0000000180)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
rmdir(&(0x7f0000000200)='./file0/file1\x00')
umount2(&(0x7f00000002c0)='./file0\x00', 0x9)
mount$overlay(0x0, &(0x7f0000000100)='./bus\x00', &(0x7f0000000080), 0x8, &(0x7f0000000700)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})

program did not crash
testing program (duration=6m10.387054549s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdirat-mount$overlay-mount$overlay-rmdir-umount2-mount$overlay
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1c0)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)) (async)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', 0x0, 0x0, &(0x7f0000000180)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
rmdir(&(0x7f0000000200)='./file0/file1\x00')
umount2(&(0x7f00000002c0)='./file0\x00', 0x9)
mount$overlay(0x0, &(0x7f0000000100)='./bus\x00', &(0x7f0000000080), 0x8, &(0x7f0000000700)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})

program did not crash
testing program (duration=6m10.387054549s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdirat-mount$overlay-mount$overlay-rmdir-umount2-mount$overlay
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1c0)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)) (async)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, 0x0)
rmdir(&(0x7f0000000200)='./file0/file1\x00')
umount2(&(0x7f00000002c0)='./file0\x00', 0x9)
mount$overlay(0x0, &(0x7f0000000100)='./bus\x00', &(0x7f0000000080), 0x8, &(0x7f0000000700)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})

program did not crash
testing program (duration=6m10.387054549s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdirat-mount$overlay-mount$overlay-rmdir-umount2-mount$overlay
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1c0)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)) (async)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180))
rmdir(&(0x7f0000000200)='./file0/file1\x00')
umount2(&(0x7f00000002c0)='./file0\x00', 0x9)
mount$overlay(0x0, &(0x7f0000000100)='./bus\x00', &(0x7f0000000080), 0x8, &(0x7f0000000700)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})

program did not crash
testing program (duration=6m10.387054549s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdirat-mount$overlay-mount$overlay-rmdir-umount2-mount$overlay
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1c0)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)) (async)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
rmdir(0x0)
umount2(&(0x7f00000002c0)='./file0\x00', 0x9)
mount$overlay(0x0, &(0x7f0000000100)='./bus\x00', &(0x7f0000000080), 0x8, &(0x7f0000000700)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})

program crashed: lost connection to test machine
ignore low priority crash: lost connection to test machine
testing program (duration=6m10.387054549s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdirat-mount$overlay-mount$overlay-rmdir-umount2-mount$overlay
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1c0)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)) (async)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
rmdir(&(0x7f0000000200)='./file0/file1\x00')
umount2(0x0, 0x9)
mount$overlay(0x0, &(0x7f0000000100)='./bus\x00', &(0x7f0000000080), 0x8, &(0x7f0000000700)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})

program did not crash
testing program (duration=6m10.387054549s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdirat-mount$overlay-mount$overlay-rmdir-umount2-mount$overlay
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1c0)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)) (async)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
rmdir(&(0x7f0000000200)='./file0/file1\x00')
umount2(&(0x7f00000002c0)='./file0\x00', 0x9)
mount$overlay(0x0, 0x0, &(0x7f0000000080), 0x8, &(0x7f0000000700)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})

program did not crash
testing program (duration=6m10.387054549s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdirat-mount$overlay-mount$overlay-rmdir-umount2-mount$overlay
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1c0)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)) (async)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
rmdir(&(0x7f0000000200)='./file0/file1\x00')
umount2(&(0x7f00000002c0)='./file0\x00', 0x9)
mount$overlay(0x0, &(0x7f0000000100)='./bus\x00', 0x0, 0x8, &(0x7f0000000700)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})

program did not crash
testing program (duration=6m10.387054549s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdirat-mount$overlay-mount$overlay-rmdir-umount2-mount$overlay
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1c0)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)) (async)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
rmdir(&(0x7f0000000200)='./file0/file1\x00')
umount2(&(0x7f00000002c0)='./file0\x00', 0x9)
mount$overlay(0x0, &(0x7f0000000100)='./bus\x00', &(0x7f0000000080), 0x8, 0x0)

program did not crash
testing program (duration=6m10.387054549s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdirat-mount$overlay-mount$overlay-rmdir-umount2-mount$overlay
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1c0)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)) (async)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
rmdir(&(0x7f0000000200)='./file0/file1\x00')
umount2(&(0x7f00000002c0)='./file0\x00', 0x9)
mount$overlay(0x0, &(0x7f0000000100)='./bus\x00', &(0x7f0000000080), 0x8, &(0x7f0000000700))

program did not crash
extracting C reproducer
testing compiled C program (duration=6m10.387054549s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdirat-mount$overlay-mount$overlay-rmdir-umount2-mount$overlay
program crashed: BUG: corrupted list in __dentry_kill
simplifying C reproducer
testing compiled C program (duration=6m10.387054549s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdirat-mount$overlay-mount$overlay-rmdir-umount2-mount$overlay
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=6m10.387054549s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdirat-mount$overlay-mount$overlay-rmdir-umount2-mount$overlay
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=6m10.387054549s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdirat-mount$overlay-mount$overlay-rmdir-umount2-mount$overlay
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=6m10.387054549s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdirat-mount$overlay-mount$overlay-rmdir-umount2-mount$overlay
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=6m10.387054549s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdirat-mount$overlay-mount$overlay-rmdir-umount2-mount$overlay
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=6m10.387054549s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdirat-mount$overlay-mount$overlay-rmdir-umount2-mount$overlay
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=6m10.387054549s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdirat-mount$overlay-mount$overlay-rmdir-umount2-mount$overlay
program crashed: BUG: corrupted list in __dentry_kill
testing compiled C program (duration=6m10.387054549s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdirat-mount$overlay-mount$overlay-rmdir-umount2-mount$overlay
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=6m10.387054549s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdirat-mount$overlay-mount$overlay-rmdir-umount2-mount$overlay
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=6m10.387054549s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdirat-mount$overlay-mount$overlay-rmdir-umount2-mount$overlay
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=6m10.387054549s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdirat-mount$overlay-mount$overlay-rmdir-umount2-mount$overlay
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=6m10.387054549s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdirat-mount$overlay-mount$overlay-rmdir-umount2-mount$overlay
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=6m10.387054549s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdirat-mount$overlay-mount$overlay-rmdir-umount2-mount$overlay
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing program (duration=6m10.387054549s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdirat-mount$overlay-mount$overlay-rmdir-umount2-mount$overlay
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1c0)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)) (async)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
rmdir(&(0x7f0000000200)='./file0/file1\x00')
umount2(&(0x7f00000002c0)='./file0\x00', 0x9)
mount$overlay(0x0, &(0x7f0000000100)='./bus\x00', &(0x7f0000000080), 0x8, &(0x7f0000000700)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})

program crashed: BUG: corrupted list in __dentry_kill
validation run: crashed=true
testing program (duration=6m10.387054549s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdirat-mount$overlay-mount$overlay-rmdir-umount2-mount$overlay
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1c0)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)) (async)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
rmdir(&(0x7f0000000200)='./file0/file1\x00')
umount2(&(0x7f00000002c0)='./file0\x00', 0x9)
mount$overlay(0x0, &(0x7f0000000100)='./bus\x00', &(0x7f0000000080), 0x8, &(0x7f0000000700)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})

program crashed: BUG: corrupted list in __dentry_kill
validation run: crashed=true
testing program (duration=6m10.387054549s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdirat-mount$overlay-mount$overlay-rmdir-umount2-mount$overlay
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1c0)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)) (async)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
rmdir(&(0x7f0000000200)='./file0/file1\x00')
umount2(&(0x7f00000002c0)='./file0\x00', 0x9)
mount$overlay(0x0, &(0x7f0000000100)='./bus\x00', &(0x7f0000000080), 0x8, &(0x7f0000000700)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})

program crashed: BUG: corrupted list in __dentry_kill
validation run: crashed=true
reproducing took 3h54m0.253449864s
repro crashed as (corrupted=false):
RBP: 00007fe492e32d6f R08: 0000200000000180 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fe493016038 R14: 00007fe493015fa0 R15: 00007ffdcc491f18
 </TASK>
---[ end trace 0000000000000000 ]---
overlayfs: failed to create directory ./bus/work (errno: 17); mounting read-only
list_del corruption. prev->next should be ffff888116e5d800, but was ffff888116da20a0. (prev=ffff888123c685e0)
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:61!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 1398 Comm: syz.6.349 Tainted: G        W          syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
RIP: 0010:__list_del_entry_valid+0x10f/0x130 lib/list_debug.c:59
Code: e8 9e 51 89 02 0f 0b 48 c7 c7 60 93 ca 85 48 89 de e8 8d 51 89 02 0f 0b 48 c7 c7 c0 93 ca 85 48 89 de 4c 89 f9 e8 79 51 89 02 <0f> 0b 48 c7 c7 40 94 ca 85 48 89 de 4c 89 f1 e8 65 51 89 02 0f 0b
RSP: 0018:ffffc90004117c60 EFLAGS: 00010246
RAX: 000000000000006d RBX: ffff888116e5d800 RCX: 98327435e80eaf00
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000
RBP: ffffc90004117c80 R08: ffffc90004117847 R09: 1ffff92000822f08
R10: dffffc0000000000 R11: fffff52000822f09 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff888116da20a0 R15: ffff888123c685e0
FS:  00007fe493d206c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe492dea540 CR3: 0000000131007000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __list_del_entry include/linux/list.h:134 [inline]
 dentry_unlist fs/dcache.c:554 [inline]
 __dentry_kill+0x25d/0x670 fs/dcache.c:607
 dentry_kill+0xc0/0x2a0 fs/dcache.c:-1
 dput+0x42/0x80 fs/dcache.c:918
 __fput+0x5be/0x8f0 fs/file_table.c:328
 ____fput+0x15/0x20 fs/file_table.c:348
 task_work_run+0x1e1/0x250 kernel/task_work.c:203
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 exit_to_user_mode_loop+0x9b/0xb0 kernel/entry/common.c:177
 exit_to_user_mode_prepare+0x87/0xd0 kernel/entry/common.c:210
 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline]
 syscall_exit_to_user_mode+0x1a/0x30 kernel/entry/common.c:303
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fe492d9ce59
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fe493d20028 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: 0000000000000000 RBX: 00007fe493015fa0 RCX: 00007fe492d9ce59
RDX: 0000200000000b80 RSI: 0000200000000000 RDI: 0000000000000000
RBP: 00007fe492e32d6f R08: 0000200000000180 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fe493016038 R14: 00007fe493015fa0 R15: 00007ffdcc491f18
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__list_del_entry_valid+0x10f/0x130 lib/list_debug.c:59
Code: e8 9e 51 89 02 0f 0b 48 c7 c7 60 93 ca 85 48 89 de e8 8d 51 89 02 0f 0b 48 c7 c7 c0 93 ca 85 48 89 de 4c 89 f9 e8 79 51 89 02 <0f> 0b 48 c7 c7 40 94 ca 85 48 89 de 4c 89 f1 e8 65 51 89 02 0f 0b
RSP: 0018:ffffc90004117c60 EFLAGS: 00010246
RAX: 000000000000006d RBX: ffff888116e5d800 RCX: 98327435e80eaf00
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000
RBP: ffffc90004117c80 R08: ffffc90004117847 R09: 1ffff92000822f08
R10: dffffc0000000000 R11: fffff52000822f09 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff888116da20a0 R15: ffff888123c685e0
FS:  00007fe493d206c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe492dea540 CR3: 0000000131007000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400

final repro crashed as (corrupted=false):
RBP: 00007fe492e32d6f R08: 0000200000000180 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fe493016038 R14: 00007fe493015fa0 R15: 00007ffdcc491f18
 </TASK>
---[ end trace 0000000000000000 ]---
overlayfs: failed to create directory ./bus/work (errno: 17); mounting read-only
list_del corruption. prev->next should be ffff888116e5d800, but was ffff888116da20a0. (prev=ffff888123c685e0)
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:61!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 1398 Comm: syz.6.349 Tainted: G        W          syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
RIP: 0010:__list_del_entry_valid+0x10f/0x130 lib/list_debug.c:59
Code: e8 9e 51 89 02 0f 0b 48 c7 c7 60 93 ca 85 48 89 de e8 8d 51 89 02 0f 0b 48 c7 c7 c0 93 ca 85 48 89 de 4c 89 f9 e8 79 51 89 02 <0f> 0b 48 c7 c7 40 94 ca 85 48 89 de 4c 89 f1 e8 65 51 89 02 0f 0b
RSP: 0018:ffffc90004117c60 EFLAGS: 00010246
RAX: 000000000000006d RBX: ffff888116e5d800 RCX: 98327435e80eaf00
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000
RBP: ffffc90004117c80 R08: ffffc90004117847 R09: 1ffff92000822f08
R10: dffffc0000000000 R11: fffff52000822f09 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff888116da20a0 R15: ffff888123c685e0
FS:  00007fe493d206c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe492dea540 CR3: 0000000131007000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __list_del_entry include/linux/list.h:134 [inline]
 dentry_unlist fs/dcache.c:554 [inline]
 __dentry_kill+0x25d/0x670 fs/dcache.c:607
 dentry_kill+0xc0/0x2a0 fs/dcache.c:-1
 dput+0x42/0x80 fs/dcache.c:918
 __fput+0x5be/0x8f0 fs/file_table.c:328
 ____fput+0x15/0x20 fs/file_table.c:348
 task_work_run+0x1e1/0x250 kernel/task_work.c:203
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 exit_to_user_mode_loop+0x9b/0xb0 kernel/entry/common.c:177
 exit_to_user_mode_prepare+0x87/0xd0 kernel/entry/common.c:210
 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline]
 syscall_exit_to_user_mode+0x1a/0x30 kernel/entry/common.c:303
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fe492d9ce59
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fe493d20028 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: 0000000000000000 RBX: 00007fe493015fa0 RCX: 00007fe492d9ce59
RDX: 0000200000000b80 RSI: 0000200000000000 RDI: 0000000000000000
RBP: 00007fe492e32d6f R08: 0000200000000180 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fe493016038 R14: 00007fe493015fa0 R15: 00007ffdcc491f18
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__list_del_entry_valid+0x10f/0x130 lib/list_debug.c:59
Code: e8 9e 51 89 02 0f 0b 48 c7 c7 60 93 ca 85 48 89 de e8 8d 51 89 02 0f 0b 48 c7 c7 c0 93 ca 85 48 89 de 4c 89 f9 e8 79 51 89 02 <0f> 0b 48 c7 c7 40 94 ca 85 48 89 de 4c 89 f1 e8 65 51 89 02 0f 0b
RSP: 0018:ffffc90004117c60 EFLAGS: 00010246
RAX: 000000000000006d RBX: ffff888116e5d800 RCX: 98327435e80eaf00
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000
RBP: ffffc90004117c80 R08: ffffc90004117847 R09: 1ffff92000822f08
R10: dffffc0000000000 R11: fffff52000822f09 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff888116da20a0 R15: ffff888123c685e0
FS:  00007fe493d206c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe492dea540 CR3: 0000000131007000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400