Extracting prog: 3m29.493320563s
Minimizing prog: 2h49m24.377503794s
Simplifying prog options: 0s
Extracting C: 4m47.321086559s
Simplifying C: 50m29.296754535s
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-syz_mount_image$fuse-symlinkat-syz_mount_image$fuse-mount$overlay-mount$overlay-unlinkat-umount2-epoll_ctl$EPOLL_CTL_ADD-mount$overlay-syz_mount_image$fuse
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1c0)
syz_mount_image$fuse(0x0, &(0x7f00000000c0)='./bus\x00', 0x3000009, 0x0, 0x1, 0x0, 0x0)
symlinkat(&(0x7f0000000000)='.\x00', 0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00')
syz_mount_image$fuse(0x0, &(0x7f00000000c0)='./file0/file1\x00', 0x200810, 0x0, 0x0, 0x0, 0x0)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000a80)) (async)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000a80)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
unlinkat(0xffffffffffffff9c, &(0x7f00000001c0)='./file0/file1\x00', 0x200)
umount2(&(0x7f00000002c0)='./file0\x00', 0x9)
epoll_ctl$EPOLL_CTL_ADD(0xffffffffffffffff, 0x1, 0xffffffffffffffff, 0x0)
mount$overlay(0x0, &(0x7f0000000600)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
syz_mount_image$fuse(0x0, 0x0, 0x0, 0x0, 0x0, 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: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-syz_mount_image$fuse-symlinkat-syz_mount_image$fuse-mount$overlay-mount$overlay-unlinkat-umount2-epoll_ctl$EPOLL_CTL_ADD-mount$overlay-syz_mount_image$fuse
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1c0)
syz_mount_image$fuse(0x0, &(0x7f00000000c0)='./bus\x00', 0x3000009, 0x0, 0x1, 0x0, 0x0)
symlinkat(&(0x7f0000000000)='.\x00', 0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00')
syz_mount_image$fuse(0x0, &(0x7f00000000c0)='./file0/file1\x00', 0x200810, 0x0, 0x0, 0x0, 0x0)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000a80)) (async)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000a80)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
unlinkat(0xffffffffffffff9c, &(0x7f00000001c0)='./file0/file1\x00', 0x200)
umount2(&(0x7f00000002c0)='./file0\x00', 0x9)
epoll_ctl$EPOLL_CTL_ADD(0xffffffffffffffff, 0x1, 0xffffffffffffffff, 0x0)
mount$overlay(0x0, &(0x7f0000000600)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
syz_mount_image$fuse(0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0)
program crashed: BUG: corrupted list in __dentry_kill
single: successfully extracted reproducer
found reproducer with 11 syscalls
minimizing guilty program
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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-syz_mount_image$fuse-symlinkat-syz_mount_image$fuse-mount$overlay-mount$overlay-unlinkat-umount2-epoll_ctl$EPOLL_CTL_ADD-mount$overlay
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1c0)
syz_mount_image$fuse(0x0, &(0x7f00000000c0)='./bus\x00', 0x3000009, 0x0, 0x1, 0x0, 0x0)
symlinkat(&(0x7f0000000000)='.\x00', 0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00')
syz_mount_image$fuse(0x0, &(0x7f00000000c0)='./file0/file1\x00', 0x200810, 0x0, 0x0, 0x0, 0x0)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000a80)) (async)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000a80)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
unlinkat(0xffffffffffffff9c, &(0x7f00000001c0)='./file0/file1\x00', 0x200)
umount2(&(0x7f00000002c0)='./file0\x00', 0x9)
epoll_ctl$EPOLL_CTL_ADD(0xffffffffffffffff, 0x1, 0xffffffffffffffff, 0x0)
mount$overlay(0x0, &(0x7f0000000600)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
program crashed: BUG: corrupted list in __dentry_kill
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-syz_mount_image$fuse-symlinkat-syz_mount_image$fuse-mount$overlay-mount$overlay-unlinkat-umount2-epoll_ctl$EPOLL_CTL_ADD
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1c0)
syz_mount_image$fuse(0x0, &(0x7f00000000c0)='./bus\x00', 0x3000009, 0x0, 0x1, 0x0, 0x0)
symlinkat(&(0x7f0000000000)='.\x00', 0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00')
syz_mount_image$fuse(0x0, &(0x7f00000000c0)='./file0/file1\x00', 0x200810, 0x0, 0x0, 0x0, 0x0)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000a80)) (async)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000a80)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
unlinkat(0xffffffffffffff9c, &(0x7f00000001c0)='./file0/file1\x00', 0x200)
umount2(&(0x7f00000002c0)='./file0\x00', 0x9)
epoll_ctl$EPOLL_CTL_ADD(0xffffffffffffffff, 0x1, 0xffffffffffffffff, 0x0)
program crashed: lost connection to test machine
suppressed program crash: lost connection to test machine
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-syz_mount_image$fuse-symlinkat-syz_mount_image$fuse-mount$overlay-mount$overlay-unlinkat-umount2-mount$overlay
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1c0)
syz_mount_image$fuse(0x0, &(0x7f00000000c0)='./bus\x00', 0x3000009, 0x0, 0x1, 0x0, 0x0)
symlinkat(&(0x7f0000000000)='.\x00', 0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00')
syz_mount_image$fuse(0x0, &(0x7f00000000c0)='./file0/file1\x00', 0x200810, 0x0, 0x0, 0x0, 0x0)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000a80)) (async)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000a80)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
unlinkat(0xffffffffffffff9c, &(0x7f00000001c0)='./file0/file1\x00', 0x200)
umount2(&(0x7f00000002c0)='./file0\x00', 0x9)
mount$overlay(0x0, &(0x7f0000000600)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
program crashed: BUG: corrupted list in __dentry_kill
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-syz_mount_image$fuse-symlinkat-syz_mount_image$fuse-mount$overlay-mount$overlay-unlinkat-mount$overlay
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1c0)
syz_mount_image$fuse(0x0, &(0x7f00000000c0)='./bus\x00', 0x3000009, 0x0, 0x1, 0x0, 0x0)
symlinkat(&(0x7f0000000000)='.\x00', 0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00')
syz_mount_image$fuse(0x0, &(0x7f00000000c0)='./file0/file1\x00', 0x200810, 0x0, 0x0, 0x0, 0x0)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000a80)) (async)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000a80)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
unlinkat(0xffffffffffffff9c, &(0x7f00000001c0)='./file0/file1\x00', 0x200)
mount$overlay(0x0, &(0x7f0000000600)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
program crashed: lost connection to test machine
suppressed program crash: lost connection to test machine
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-syz_mount_image$fuse-symlinkat-syz_mount_image$fuse-mount$overlay-mount$overlay-umount2-mount$overlay
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1c0)
syz_mount_image$fuse(0x0, &(0x7f00000000c0)='./bus\x00', 0x3000009, 0x0, 0x1, 0x0, 0x0)
symlinkat(&(0x7f0000000000)='.\x00', 0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00')
syz_mount_image$fuse(0x0, &(0x7f00000000c0)='./file0/file1\x00', 0x200810, 0x0, 0x0, 0x0, 0x0)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000a80)) (async)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000a80)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
umount2(&(0x7f00000002c0)='./file0\x00', 0x9)
mount$overlay(0x0, &(0x7f0000000600)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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-syz_mount_image$fuse-symlinkat-syz_mount_image$fuse-mount$overlay-unlinkat-umount2-mount$overlay
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1c0)
syz_mount_image$fuse(0x0, &(0x7f00000000c0)='./bus\x00', 0x3000009, 0x0, 0x1, 0x0, 0x0)
symlinkat(&(0x7f0000000000)='.\x00', 0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00')
syz_mount_image$fuse(0x0, &(0x7f00000000c0)='./file0/file1\x00', 0x200810, 0x0, 0x0, 0x0, 0x0)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000a80)) (async)
unlinkat(0xffffffffffffff9c, &(0x7f00000001c0)='./file0/file1\x00', 0x200)
umount2(&(0x7f00000002c0)='./file0\x00', 0x9)
mount$overlay(0x0, &(0x7f0000000600)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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-syz_mount_image$fuse-symlinkat-syz_mount_image$fuse-mount$overlay-unlinkat-umount2-mount$overlay
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1c0)
syz_mount_image$fuse(0x0, &(0x7f00000000c0)='./bus\x00', 0x3000009, 0x0, 0x1, 0x0, 0x0)
symlinkat(&(0x7f0000000000)='.\x00', 0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00')
syz_mount_image$fuse(0x0, &(0x7f00000000c0)='./file0/file1\x00', 0x200810, 0x0, 0x0, 0x0, 0x0)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000a80)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
unlinkat(0xffffffffffffff9c, &(0x7f00000001c0)='./file0/file1\x00', 0x200)
umount2(&(0x7f00000002c0)='./file0\x00', 0x9)
mount$overlay(0x0, &(0x7f0000000600)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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-syz_mount_image$fuse-symlinkat-mount$overlay-mount$overlay-unlinkat-umount2-mount$overlay
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1c0)
syz_mount_image$fuse(0x0, &(0x7f00000000c0)='./bus\x00', 0x3000009, 0x0, 0x1, 0x0, 0x0)
symlinkat(&(0x7f0000000000)='.\x00', 0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00')
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000a80)) (async)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000a80)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
unlinkat(0xffffffffffffff9c, &(0x7f00000001c0)='./file0/file1\x00', 0x200)
umount2(&(0x7f00000002c0)='./file0\x00', 0x9)
mount$overlay(0x0, &(0x7f0000000600)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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-syz_mount_image$fuse-syz_mount_image$fuse-mount$overlay-mount$overlay-unlinkat-umount2-mount$overlay
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1c0)
syz_mount_image$fuse(0x0, &(0x7f00000000c0)='./bus\x00', 0x3000009, 0x0, 0x1, 0x0, 0x0)
syz_mount_image$fuse(0x0, &(0x7f00000000c0)='./file0/file1\x00', 0x200810, 0x0, 0x0, 0x0, 0x0)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000a80)) (async)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000a80)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
unlinkat(0xffffffffffffff9c, &(0x7f00000001c0)='./file0/file1\x00', 0x200)
umount2(&(0x7f00000002c0)='./file0\x00', 0x9)
mount$overlay(0x0, &(0x7f0000000600)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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-symlinkat-syz_mount_image$fuse-mount$overlay-mount$overlay-unlinkat-umount2-mount$overlay
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1c0)
symlinkat(&(0x7f0000000000)='.\x00', 0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00')
syz_mount_image$fuse(0x0, &(0x7f00000000c0)='./file0/file1\x00', 0x200810, 0x0, 0x0, 0x0, 0x0)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000a80)) (async)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000a80)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
unlinkat(0xffffffffffffff9c, &(0x7f00000001c0)='./file0/file1\x00', 0x200)
umount2(&(0x7f00000002c0)='./file0\x00', 0x9)
mount$overlay(0x0, &(0x7f0000000600)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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}}): syz_mount_image$fuse-symlinkat-syz_mount_image$fuse-mount$overlay-mount$overlay-unlinkat-umount2-mount$overlay
detailed listing:
executing program 0:
syz_mount_image$fuse(0x0, &(0x7f00000000c0)='./bus\x00', 0x3000009, 0x0, 0x1, 0x0, 0x0)
symlinkat(&(0x7f0000000000)='.\x00', 0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00')
syz_mount_image$fuse(0x0, &(0x7f00000000c0)='./file0/file1\x00', 0x200810, 0x0, 0x0, 0x0, 0x0)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000a80)) (async)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000a80)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
unlinkat(0xffffffffffffff9c, &(0x7f00000001c0)='./file0/file1\x00', 0x200)
umount2(&(0x7f00000002c0)='./file0\x00', 0x9)
mount$overlay(0x0, &(0x7f0000000600)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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-syz_mount_image$fuse-symlinkat-syz_mount_image$fuse-mount$overlay-mount$overlay-unlinkat-umount2-mount$overlay
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1c0)
syz_mount_image$fuse(0x0, &(0x7f00000000c0)='./bus\x00', 0x3000009, 0x0, 0x1, 0x0, 0x0)
symlinkat(&(0x7f0000000000)='.\x00', 0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00')
syz_mount_image$fuse(0x0, &(0x7f00000000c0)='./file0/file1\x00', 0x200810, 0x0, 0x0, 0x0, 0x0)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000a80))
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000a80)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
unlinkat(0xffffffffffffff9c, &(0x7f00000001c0)='./file0/file1\x00', 0x200)
umount2(&(0x7f00000002c0)='./file0\x00', 0x9)
mount$overlay(0x0, &(0x7f0000000600)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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-syz_mount_image$fuse-symlinkat-syz_mount_image$fuse-mount$overlay-mount$overlay-unlinkat-umount2-mount$overlay
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, 0x0, 0x1c0)
syz_mount_image$fuse(0x0, &(0x7f00000000c0)='./bus\x00', 0x3000009, 0x0, 0x1, 0x0, 0x0)
symlinkat(&(0x7f0000000000)='.\x00', 0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00')
syz_mount_image$fuse(0x0, &(0x7f00000000c0)='./file0/file1\x00', 0x200810, 0x0, 0x0, 0x0, 0x0)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000a80)) (async)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000a80)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
unlinkat(0xffffffffffffff9c, &(0x7f00000001c0)='./file0/file1\x00', 0x200)
umount2(&(0x7f00000002c0)='./file0\x00', 0x9)
mount$overlay(0x0, &(0x7f0000000600)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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-syz_mount_image$fuse-symlinkat-syz_mount_image$fuse-mount$overlay-mount$overlay-unlinkat-umount2-mount$overlay
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1c0)
syz_mount_image$fuse(0x0, 0x0, 0x3000009, 0x0, 0x1, 0x0, 0x0)
symlinkat(&(0x7f0000000000)='.\x00', 0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00')
syz_mount_image$fuse(0x0, &(0x7f00000000c0)='./file0/file1\x00', 0x200810, 0x0, 0x0, 0x0, 0x0)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000a80)) (async)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000a80)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
unlinkat(0xffffffffffffff9c, &(0x7f00000001c0)='./file0/file1\x00', 0x200)
umount2(&(0x7f00000002c0)='./file0\x00', 0x9)
mount$overlay(0x0, &(0x7f0000000600)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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-syz_mount_image$fuse-symlinkat-syz_mount_image$fuse-mount$overlay-mount$overlay-unlinkat-umount2-mount$overlay
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1c0)
syz_mount_image$fuse(0x0, &(0x7f00000000c0)='./bus\x00', 0x3000009, 0x0, 0x1, 0x0, 0x0)
symlinkat(0x0, 0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00')
syz_mount_image$fuse(0x0, &(0x7f00000000c0)='./file0/file1\x00', 0x200810, 0x0, 0x0, 0x0, 0x0)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000a80)) (async)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000a80)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
unlinkat(0xffffffffffffff9c, &(0x7f00000001c0)='./file0/file1\x00', 0x200)
umount2(&(0x7f00000002c0)='./file0\x00', 0x9)
mount$overlay(0x0, &(0x7f0000000600)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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-syz_mount_image$fuse-symlinkat-syz_mount_image$fuse-mount$overlay-mount$overlay-unlinkat-umount2-mount$overlay
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1c0)
syz_mount_image$fuse(0x0, &(0x7f00000000c0)='./bus\x00', 0x3000009, 0x0, 0x1, 0x0, 0x0)
symlinkat(&(0x7f0000000000)='.\x00', 0xffffffffffffff9c, 0x0)
syz_mount_image$fuse(0x0, &(0x7f00000000c0)='./file0/file1\x00', 0x200810, 0x0, 0x0, 0x0, 0x0)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000a80)) (async)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000a80)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
unlinkat(0xffffffffffffff9c, &(0x7f00000001c0)='./file0/file1\x00', 0x200)
umount2(&(0x7f00000002c0)='./file0\x00', 0x9)
mount$overlay(0x0, &(0x7f0000000600)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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-syz_mount_image$fuse-symlinkat-syz_mount_image$fuse-mount$overlay-mount$overlay-unlinkat-umount2-mount$overlay
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1c0)
syz_mount_image$fuse(0x0, &(0x7f00000000c0)='./bus\x00', 0x3000009, 0x0, 0x1, 0x0, 0x0)
symlinkat(&(0x7f0000000000)='.\x00', 0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00')
syz_mount_image$fuse(0x0, 0x0, 0x200810, 0x0, 0x0, 0x0, 0x0)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000a80)) (async)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000a80)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
unlinkat(0xffffffffffffff9c, &(0x7f00000001c0)='./file0/file1\x00', 0x200)
umount2(&(0x7f00000002c0)='./file0\x00', 0x9)
mount$overlay(0x0, &(0x7f0000000600)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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-syz_mount_image$fuse-symlinkat-syz_mount_image$fuse-mount$overlay-mount$overlay-unlinkat-umount2-mount$overlay
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1c0)
syz_mount_image$fuse(0x0, &(0x7f00000000c0)='./bus\x00', 0x3000009, 0x0, 0x1, 0x0, 0x0)
symlinkat(&(0x7f0000000000)='.\x00', 0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00')
syz_mount_image$fuse(0x0, &(0x7f00000000c0)='./file0/file1\x00', 0x200810, 0x0, 0x0, 0x0, 0x0)
mount$overlay(0x0, 0x0, &(0x7f0000000b80), 0x0, &(0x7f0000000a80)) (async)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000a80)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
unlinkat(0xffffffffffffff9c, &(0x7f00000001c0)='./file0/file1\x00', 0x200)
umount2(&(0x7f00000002c0)='./file0\x00', 0x9)
mount$overlay(0x0, &(0x7f0000000600)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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-syz_mount_image$fuse-symlinkat-syz_mount_image$fuse-mount$overlay-mount$overlay-unlinkat-umount2-mount$overlay
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1c0)
syz_mount_image$fuse(0x0, &(0x7f00000000c0)='./bus\x00', 0x3000009, 0x0, 0x1, 0x0, 0x0)
symlinkat(&(0x7f0000000000)='.\x00', 0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00')
syz_mount_image$fuse(0x0, &(0x7f00000000c0)='./file0/file1\x00', 0x200810, 0x0, 0x0, 0x0, 0x0)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', 0x0, 0x0, &(0x7f0000000a80)) (async)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000a80)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
unlinkat(0xffffffffffffff9c, &(0x7f00000001c0)='./file0/file1\x00', 0x200)
umount2(&(0x7f00000002c0)='./file0\x00', 0x9)
mount$overlay(0x0, &(0x7f0000000600)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
program crashed: lost connection to test machine
suppressed program crash: lost connection to test machine
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-syz_mount_image$fuse-symlinkat-syz_mount_image$fuse-mount$overlay-mount$overlay-unlinkat-umount2-mount$overlay
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1c0)
syz_mount_image$fuse(0x0, &(0x7f00000000c0)='./bus\x00', 0x3000009, 0x0, 0x1, 0x0, 0x0)
symlinkat(&(0x7f0000000000)='.\x00', 0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00')
syz_mount_image$fuse(0x0, &(0x7f00000000c0)='./file0/file1\x00', 0x200810, 0x0, 0x0, 0x0, 0x0)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, 0x0) (async)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000a80)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
unlinkat(0xffffffffffffff9c, &(0x7f00000001c0)='./file0/file1\x00', 0x200)
umount2(&(0x7f00000002c0)='./file0\x00', 0x9)
mount$overlay(0x0, &(0x7f0000000600)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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-syz_mount_image$fuse-symlinkat-syz_mount_image$fuse-mount$overlay-mount$overlay-unlinkat-umount2-mount$overlay
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1c0)
syz_mount_image$fuse(0x0, &(0x7f00000000c0)='./bus\x00', 0x3000009, 0x0, 0x1, 0x0, 0x0)
symlinkat(&(0x7f0000000000)='.\x00', 0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00')
syz_mount_image$fuse(0x0, &(0x7f00000000c0)='./file0/file1\x00', 0x200810, 0x0, 0x0, 0x0, 0x0)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000a80)) (async)
mount$overlay(0x0, 0x0, &(0x7f0000000b80), 0x0, &(0x7f0000000a80)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
unlinkat(0xffffffffffffff9c, &(0x7f00000001c0)='./file0/file1\x00', 0x200)
umount2(&(0x7f00000002c0)='./file0\x00', 0x9)
mount$overlay(0x0, &(0x7f0000000600)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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-syz_mount_image$fuse-symlinkat-syz_mount_image$fuse-mount$overlay-mount$overlay-unlinkat-umount2-mount$overlay
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1c0)
syz_mount_image$fuse(0x0, &(0x7f00000000c0)='./bus\x00', 0x3000009, 0x0, 0x1, 0x0, 0x0)
symlinkat(&(0x7f0000000000)='.\x00', 0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00')
syz_mount_image$fuse(0x0, &(0x7f00000000c0)='./file0/file1\x00', 0x200810, 0x0, 0x0, 0x0, 0x0)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000a80)) (async)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', 0x0, 0x0, &(0x7f0000000a80)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
unlinkat(0xffffffffffffff9c, &(0x7f00000001c0)='./file0/file1\x00', 0x200)
umount2(&(0x7f00000002c0)='./file0\x00', 0x9)
mount$overlay(0x0, &(0x7f0000000600)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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-syz_mount_image$fuse-symlinkat-syz_mount_image$fuse-mount$overlay-mount$overlay-unlinkat-umount2-mount$overlay
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1c0)
syz_mount_image$fuse(0x0, &(0x7f00000000c0)='./bus\x00', 0x3000009, 0x0, 0x1, 0x0, 0x0)
symlinkat(&(0x7f0000000000)='.\x00', 0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00')
syz_mount_image$fuse(0x0, &(0x7f00000000c0)='./file0/file1\x00', 0x200810, 0x0, 0x0, 0x0, 0x0)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000a80)) (async)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, 0x0)
unlinkat(0xffffffffffffff9c, &(0x7f00000001c0)='./file0/file1\x00', 0x200)
umount2(&(0x7f00000002c0)='./file0\x00', 0x9)
mount$overlay(0x0, &(0x7f0000000600)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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-syz_mount_image$fuse-symlinkat-syz_mount_image$fuse-mount$overlay-mount$overlay-unlinkat-umount2-mount$overlay
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1c0)
syz_mount_image$fuse(0x0, &(0x7f00000000c0)='./bus\x00', 0x3000009, 0x0, 0x1, 0x0, 0x0)
symlinkat(&(0x7f0000000000)='.\x00', 0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00')
syz_mount_image$fuse(0x0, &(0x7f00000000c0)='./file0/file1\x00', 0x200810, 0x0, 0x0, 0x0, 0x0)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000a80)) (async)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000a80))
unlinkat(0xffffffffffffff9c, &(0x7f00000001c0)='./file0/file1\x00', 0x200)
umount2(&(0x7f00000002c0)='./file0\x00', 0x9)
mount$overlay(0x0, &(0x7f0000000600)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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-syz_mount_image$fuse-symlinkat-syz_mount_image$fuse-mount$overlay-mount$overlay-unlinkat-umount2-mount$overlay
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1c0)
syz_mount_image$fuse(0x0, &(0x7f00000000c0)='./bus\x00', 0x3000009, 0x0, 0x1, 0x0, 0x0)
symlinkat(&(0x7f0000000000)='.\x00', 0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00')
syz_mount_image$fuse(0x0, &(0x7f00000000c0)='./file0/file1\x00', 0x200810, 0x0, 0x0, 0x0, 0x0)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000a80)) (async)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000a80)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
unlinkat(0xffffffffffffff9c, 0x0, 0x200)
umount2(&(0x7f00000002c0)='./file0\x00', 0x9)
mount$overlay(0x0, &(0x7f0000000600)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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-syz_mount_image$fuse-symlinkat-syz_mount_image$fuse-mount$overlay-mount$overlay-unlinkat-umount2-mount$overlay
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1c0)
syz_mount_image$fuse(0x0, &(0x7f00000000c0)='./bus\x00', 0x3000009, 0x0, 0x1, 0x0, 0x0)
symlinkat(&(0x7f0000000000)='.\x00', 0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00')
syz_mount_image$fuse(0x0, &(0x7f00000000c0)='./file0/file1\x00', 0x200810, 0x0, 0x0, 0x0, 0x0)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000a80)) (async)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000a80)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
unlinkat(0xffffffffffffff9c, &(0x7f00000001c0)='./file0/file1\x00', 0x200)
umount2(0x0, 0x9)
mount$overlay(0x0, &(0x7f0000000600)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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-syz_mount_image$fuse-symlinkat-syz_mount_image$fuse-mount$overlay-mount$overlay-unlinkat-umount2-mount$overlay
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1c0)
syz_mount_image$fuse(0x0, &(0x7f00000000c0)='./bus\x00', 0x3000009, 0x0, 0x1, 0x0, 0x0)
symlinkat(&(0x7f0000000000)='.\x00', 0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00')
syz_mount_image$fuse(0x0, &(0x7f00000000c0)='./file0/file1\x00', 0x200810, 0x0, 0x0, 0x0, 0x0)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000a80)) (async)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000a80)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
unlinkat(0xffffffffffffff9c, &(0x7f00000001c0)='./file0/file1\x00', 0x200)
umount2(&(0x7f00000002c0)='./file0\x00', 0x9)
mount$overlay(0x0, 0x0, &(0x7f0000000b80), 0x0, &(0x7f0000000180)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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-syz_mount_image$fuse-symlinkat-syz_mount_image$fuse-mount$overlay-mount$overlay-unlinkat-umount2-mount$overlay
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1c0)
syz_mount_image$fuse(0x0, &(0x7f00000000c0)='./bus\x00', 0x3000009, 0x0, 0x1, 0x0, 0x0)
symlinkat(&(0x7f0000000000)='.\x00', 0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00')
syz_mount_image$fuse(0x0, &(0x7f00000000c0)='./file0/file1\x00', 0x200810, 0x0, 0x0, 0x0, 0x0)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000a80)) (async)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000a80)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
unlinkat(0xffffffffffffff9c, &(0x7f00000001c0)='./file0/file1\x00', 0x200)
umount2(&(0x7f00000002c0)='./file0\x00', 0x9)
mount$overlay(0x0, &(0x7f0000000600)='./file0\x00', 0x0, 0x0, &(0x7f0000000180)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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-syz_mount_image$fuse-symlinkat-syz_mount_image$fuse-mount$overlay-mount$overlay-unlinkat-umount2-mount$overlay
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1c0)
syz_mount_image$fuse(0x0, &(0x7f00000000c0)='./bus\x00', 0x3000009, 0x0, 0x1, 0x0, 0x0)
symlinkat(&(0x7f0000000000)='.\x00', 0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00')
syz_mount_image$fuse(0x0, &(0x7f00000000c0)='./file0/file1\x00', 0x200810, 0x0, 0x0, 0x0, 0x0)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000a80)) (async)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000a80)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
unlinkat(0xffffffffffffff9c, &(0x7f00000001c0)='./file0/file1\x00', 0x200)
umount2(&(0x7f00000002c0)='./file0\x00', 0x9)
mount$overlay(0x0, &(0x7f0000000600)='./file0\x00', &(0x7f0000000b80), 0x0, 0x0)
program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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-syz_mount_image$fuse-symlinkat-syz_mount_image$fuse-mount$overlay-mount$overlay-unlinkat-umount2-mount$overlay
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1c0)
syz_mount_image$fuse(0x0, &(0x7f00000000c0)='./bus\x00', 0x3000009, 0x0, 0x1, 0x0, 0x0)
symlinkat(&(0x7f0000000000)='.\x00', 0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00')
syz_mount_image$fuse(0x0, &(0x7f00000000c0)='./file0/file1\x00', 0x200810, 0x0, 0x0, 0x0, 0x0)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000a80)) (async)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000a80)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
unlinkat(0xffffffffffffff9c, &(0x7f00000001c0)='./file0/file1\x00', 0x200)
umount2(&(0x7f00000002c0)='./file0\x00', 0x9)
mount$overlay(0x0, &(0x7f0000000600)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180))
program did not crash
extracting C reproducer
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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-syz_mount_image$fuse-symlinkat-syz_mount_image$fuse-mount$overlay-mount$overlay-unlinkat-umount2-mount$overlay
program crashed: BUG: corrupted list in __dentry_kill
simplifying C reproducer
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_mount_image$fuse-symlinkat-syz_mount_image$fuse-mount$overlay-mount$overlay-unlinkat-umount2-mount$overlay
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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-syz_mount_image$fuse-symlinkat-syz_mount_image$fuse-mount$overlay-mount$overlay-unlinkat-umount2-mount$overlay
program crashed: BUG: corrupted list in __dentry_kill
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_mount_image$fuse-symlinkat-syz_mount_image$fuse-mount$overlay-mount$overlay-unlinkat-umount2-mount$overlay
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 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-syz_mount_image$fuse-symlinkat-syz_mount_image$fuse-mount$overlay-mount$overlay-unlinkat-umount2-mount$overlay
program crashed: BUG: corrupted list in __dentry_kill
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_mount_image$fuse-symlinkat-syz_mount_image$fuse-mount$overlay-mount$overlay-unlinkat-umount2-mount$overlay
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false 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-syz_mount_image$fuse-symlinkat-syz_mount_image$fuse-mount$overlay-mount$overlay-unlinkat-umount2-mount$overlay
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_mount_image$fuse-symlinkat-syz_mount_image$fuse-mount$overlay-mount$overlay-unlinkat-umount2-mount$overlay
program crashed: BUG: corrupted list in __dentry_kill
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false 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-syz_mount_image$fuse-symlinkat-syz_mount_image$fuse-mount$overlay-mount$overlay-unlinkat-umount2-mount$overlay
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_mount_image$fuse-symlinkat-syz_mount_image$fuse-mount$overlay-mount$overlay-unlinkat-umount2-mount$overlay
program crashed: BUG: corrupted list in __dentry_kill
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false 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:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_mount_image$fuse-symlinkat-syz_mount_image$fuse-mount$overlay-mount$overlay-unlinkat-umount2-mount$overlay
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_mount_image$fuse-symlinkat-syz_mount_image$fuse-mount$overlay-mount$overlay-unlinkat-umount2-mount$overlay
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false 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:false Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_mount_image$fuse-symlinkat-syz_mount_image$fuse-mount$overlay-mount$overlay-unlinkat-umount2-mount$overlay
program crashed: BUG: corrupted list in __dentry_kill
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_mount_image$fuse-symlinkat-syz_mount_image$fuse-mount$overlay-mount$overlay-unlinkat-umount2-mount$overlay
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false 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:false Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_mount_image$fuse-symlinkat-syz_mount_image$fuse-mount$overlay-mount$overlay-unlinkat-umount2-mount$overlay
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1c0)
syz_mount_image$fuse(0x0, &(0x7f00000000c0)='./bus\x00', 0x3000009, 0x0, 0x1, 0x0, 0x0)
symlinkat(&(0x7f0000000000)='.\x00', 0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00')
syz_mount_image$fuse(0x0, &(0x7f00000000c0)='./file0/file1\x00', 0x200810, 0x0, 0x0, 0x0, 0x0)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000a80)) (async)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000a80)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
unlinkat(0xffffffffffffff9c, &(0x7f00000001c0)='./file0/file1\x00', 0x200)
umount2(&(0x7f00000002c0)='./file0\x00', 0x9)
mount$overlay(0x0, &(0x7f0000000600)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)={[{@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=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false 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:false Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_mount_image$fuse-symlinkat-syz_mount_image$fuse-mount$overlay-mount$overlay-unlinkat-umount2-mount$overlay
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1c0)
syz_mount_image$fuse(0x0, &(0x7f00000000c0)='./bus\x00', 0x3000009, 0x0, 0x1, 0x0, 0x0)
symlinkat(&(0x7f0000000000)='.\x00', 0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00')
syz_mount_image$fuse(0x0, &(0x7f00000000c0)='./file0/file1\x00', 0x200810, 0x0, 0x0, 0x0, 0x0)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000a80)) (async)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000a80)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
unlinkat(0xffffffffffffff9c, &(0x7f00000001c0)='./file0/file1\x00', 0x200)
umount2(&(0x7f00000002c0)='./file0\x00', 0x9)
mount$overlay(0x0, &(0x7f0000000600)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)={[{@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=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false 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:false Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_mount_image$fuse-symlinkat-syz_mount_image$fuse-mount$overlay-mount$overlay-unlinkat-umount2-mount$overlay
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1c0)
syz_mount_image$fuse(0x0, &(0x7f00000000c0)='./bus\x00', 0x3000009, 0x0, 0x1, 0x0, 0x0)
symlinkat(&(0x7f0000000000)='.\x00', 0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00')
syz_mount_image$fuse(0x0, &(0x7f00000000c0)='./file0/file1\x00', 0x200810, 0x0, 0x0, 0x0, 0x0)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000a80)) (async)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000a80)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
unlinkat(0xffffffffffffff9c, &(0x7f00000001c0)='./file0/file1\x00', 0x200)
umount2(&(0x7f00000002c0)='./file0\x00', 0x9)
mount$overlay(0x0, &(0x7f0000000600)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)={[{@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 3h53m0.37977543s
repro crashed as (corrupted=false):
---[ end trace f48d518bdc2cc238 ]---
overlayfs: failed to create directory ./bus/work (errno: 17); mounting read-only
list_del corruption. prev->next should be ffff88812fcfab30, but was ffff88812fd00700
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:61!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 3307 Comm: syz.2.997 Tainted: G W syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
RIP: 0010:__list_del_entry_valid+0x10c/0x120 lib/list_debug.c:59
Code: 48 89 de e8 f6 bd 56 02 0f 0b 48 c7 c7 40 a4 63 85 48 89 de e8 e5 bd 56 02 0f 0b 48 c7 c7 a0 a4 63 85 48 89 de e8 d4 bd 56 02 <0f> 0b 48 c7 c7 00 a5 63 85 48 89 de e8 c3 bd 56 02 0f 0b 00 55 48
RSP: 0018:ffffc90001887cd0 EFLAGS: 00010246
RAX: 0000000000000054 RBX: ffff88812fcfab30 RCX: 1ca52616e5de1800
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000
RBP: ffffc90001887cf0 R08: ffffc90001887727 R09: 1ffff92000310ee4
R10: dffffc0000000000 R11: fffff52000310ee5 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff88812fd00700 R15: ffff888111d49e60
FS: 00007fad32ac06c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fad32caaf00 CR3: 000000011dd20000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
__list_del_entry include/linux/list.h:132 [inline]
dentry_unlist fs/dcache.c:529 [inline]
__dentry_kill+0x24c/0x650 fs/dcache.c:582
dentry_kill+0xc0/0x2a0 fs/dcache.c:-1
dput+0x47/0x90 fs/dcache.c:893
__fput+0x580/0x8b0 fs/file_table.c:319
____fput+0x15/0x20 fs/file_table.c:339
task_work_run+0x127/0x190 kernel/task_work.c:188
tracehook_notify_resume include/linux/tracehook.h:189 [inline]
exit_to_user_mode_loop+0xd0/0xe0 kernel/entry/common.c:181
exit_to_user_mode_prepare+0x87/0xd0 kernel/entry/common.c:214
__syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
syscall_exit_to_user_mode+0x1a/0x30 kernel/entry/common.c:307
do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fad32c5d819
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:00007fad32ac0028 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: 0000000000000000 RBX: 00007fad32ed6fa0 RCX: 00007fad32c5d819
RDX: 0000200000000b80 RSI: 0000200000000000 RDI: 0000000000000000
RBP: 00007fad32cf3c91 R08: 0000200000000a80 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fad32ed7038 R14: 00007fad32ed6fa0 R15: 00007fff55c538f8
Modules linked in:
---[ end trace f48d518bdc2cc239 ]---
RIP: 0010:__list_del_entry_valid+0x10c/0x120 lib/list_debug.c:59
Code: 48 89 de e8 f6 bd 56 02 0f 0b 48 c7 c7 40 a4 63 85 48 89 de e8 e5 bd 56 02 0f 0b 48 c7 c7 a0 a4 63 85 48 89 de e8 d4 bd 56 02 <0f> 0b 48 c7 c7 00 a5 63 85 48 89 de e8 c3 bd 56 02 0f 0b 00 55 48
RSP: 0018:ffffc90001887cd0 EFLAGS: 00010246
RAX: 0000000000000054 RBX: ffff88812fcfab30 RCX: 1ca52616e5de1800
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000
RBP: ffffc90001887cf0 R08: ffffc90001887727 R09: 1ffff92000310ee4
R10: dffffc0000000000 R11: fffff52000310ee5 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff88812fd00700 R15: ffff888111d49e60
FS: 00007fad32ac06c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fad32caaf00 CR3: 000000011dd20000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
final repro crashed as (corrupted=false):
---[ end trace f48d518bdc2cc238 ]---
overlayfs: failed to create directory ./bus/work (errno: 17); mounting read-only
list_del corruption. prev->next should be ffff88812fcfab30, but was ffff88812fd00700
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:61!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 3307 Comm: syz.2.997 Tainted: G W syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
RIP: 0010:__list_del_entry_valid+0x10c/0x120 lib/list_debug.c:59
Code: 48 89 de e8 f6 bd 56 02 0f 0b 48 c7 c7 40 a4 63 85 48 89 de e8 e5 bd 56 02 0f 0b 48 c7 c7 a0 a4 63 85 48 89 de e8 d4 bd 56 02 <0f> 0b 48 c7 c7 00 a5 63 85 48 89 de e8 c3 bd 56 02 0f 0b 00 55 48
RSP: 0018:ffffc90001887cd0 EFLAGS: 00010246
RAX: 0000000000000054 RBX: ffff88812fcfab30 RCX: 1ca52616e5de1800
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000
RBP: ffffc90001887cf0 R08: ffffc90001887727 R09: 1ffff92000310ee4
R10: dffffc0000000000 R11: fffff52000310ee5 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff88812fd00700 R15: ffff888111d49e60
FS: 00007fad32ac06c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fad32caaf00 CR3: 000000011dd20000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
__list_del_entry include/linux/list.h:132 [inline]
dentry_unlist fs/dcache.c:529 [inline]
__dentry_kill+0x24c/0x650 fs/dcache.c:582
dentry_kill+0xc0/0x2a0 fs/dcache.c:-1
dput+0x47/0x90 fs/dcache.c:893
__fput+0x580/0x8b0 fs/file_table.c:319
____fput+0x15/0x20 fs/file_table.c:339
task_work_run+0x127/0x190 kernel/task_work.c:188
tracehook_notify_resume include/linux/tracehook.h:189 [inline]
exit_to_user_mode_loop+0xd0/0xe0 kernel/entry/common.c:181
exit_to_user_mode_prepare+0x87/0xd0 kernel/entry/common.c:214
__syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
syscall_exit_to_user_mode+0x1a/0x30 kernel/entry/common.c:307
do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fad32c5d819
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:00007fad32ac0028 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: 0000000000000000 RBX: 00007fad32ed6fa0 RCX: 00007fad32c5d819
RDX: 0000200000000b80 RSI: 0000200000000000 RDI: 0000000000000000
RBP: 00007fad32cf3c91 R08: 0000200000000a80 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fad32ed7038 R14: 00007fad32ed6fa0 R15: 00007fff55c538f8
Modules linked in:
---[ end trace f48d518bdc2cc239 ]---
RIP: 0010:__list_del_entry_valid+0x10c/0x120 lib/list_debug.c:59
Code: 48 89 de e8 f6 bd 56 02 0f 0b 48 c7 c7 40 a4 63 85 48 89 de e8 e5 bd 56 02 0f 0b 48 c7 c7 a0 a4 63 85 48 89 de e8 d4 bd 56 02 <0f> 0b 48 c7 c7 00 a5 63 85 48 89 de e8 c3 bd 56 02 0f 0b 00 55 48
RSP: 0018:ffffc90001887cd0 EFLAGS: 00010246
RAX: 0000000000000054 RBX: ffff88812fcfab30 RCX: 1ca52616e5de1800
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000
RBP: ffffc90001887cf0 R08: ffffc90001887727 R09: 1ffff92000310ee4
R10: dffffc0000000000 R11: fffff52000310ee5 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff88812fd00700 R15: ffff888111d49e60
FS: 00007fad32ac06c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fad32caaf00 CR3: 000000011dd20000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400