Extracting prog: 2m56.853859654s
Minimizing prog: 2h58m54.058790903s
Simplifying prog options: 13m1.235475253s
Extracting C: 5m9.187054223s
Simplifying C: 0s


extracting reproducer from 1 programs
testing a last program of every proc
single: executing 1 programs separately with timeout 30s
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs: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}}): bpf$PROG_LOAD-ioctl$KVM_CREATE_VM-mkdirat-syz_mount_image$fuse-symlinkat-syz_mount_image$fuse-mount$overlay-unlinkat-umount2-mount$overlay-mount$overlay
detailed listing:
executing program 0:
bpf$PROG_LOAD(0x5, 0x0, 0x0)
ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1c0)
syz_mount_image$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) (async)
mount$overlay(0x0, &(0x7f0000000600)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)) (async)
mount$overlay(0x0, &(0x7f0000000600)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)={[{@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}}): bpf$PROG_LOAD-ioctl$KVM_CREATE_VM-mkdirat-syz_mount_image$fuse-symlinkat-syz_mount_image$fuse-mount$overlay-unlinkat-umount2-mount$overlay-mount$overlay
detailed listing:
executing program 0:
bpf$PROG_LOAD(0x5, 0x0, 0x0)
ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1c0)
syz_mount_image$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) (async)
mount$overlay(0x0, &(0x7f0000000600)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)) (async)
mount$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
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}}): bpf$PROG_LOAD-ioctl$KVM_CREATE_VM-mkdirat-syz_mount_image$fuse-symlinkat-syz_mount_image$fuse-mount$overlay-unlinkat-umount2-mount$overlay
detailed listing:
executing program 0:
bpf$PROG_LOAD(0x5, 0x0, 0x0)
ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0)
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$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000a80)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
unlinkat(0xffffffffffffff9c, &(0x7f00000001c0)='./file0/file1\x00', 0x200)
umount2(&(0x7f00000002c0)='./file0\x00', 0x9) (async)
mount$overlay(0x0, &(0x7f0000000600)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)) (async)

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}}): bpf$PROG_LOAD-ioctl$KVM_CREATE_VM-mkdirat-syz_mount_image$fuse-symlinkat-syz_mount_image$fuse-mount$overlay-unlinkat-umount2-mount$overlay
detailed listing:
executing program 0:
bpf$PROG_LOAD(0x5, 0x0, 0x0)
ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0)
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$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000a80)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
unlinkat(0xffffffffffffff9c, &(0x7f00000001c0)='./file0/file1\x00', 0x200)
umount2(&(0x7f00000002c0)='./file0\x00', 0x9) (async)
mount$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}}): bpf$PROG_LOAD-ioctl$KVM_CREATE_VM-mkdirat-syz_mount_image$fuse-symlinkat-syz_mount_image$fuse-mount$overlay-unlinkat-mount$overlay-mount$overlay
detailed listing:
executing program 0:
bpf$PROG_LOAD(0x5, 0x0, 0x0)
ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1c0)
syz_mount_image$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)
mount$overlay(0x0, &(0x7f0000000600)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)) (async)
mount$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}}): bpf$PROG_LOAD-ioctl$KVM_CREATE_VM-mkdirat-syz_mount_image$fuse-symlinkat-syz_mount_image$fuse-mount$overlay-umount2-mount$overlay-mount$overlay
detailed listing:
executing program 0:
bpf$PROG_LOAD(0x5, 0x0, 0x0)
ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1c0)
syz_mount_image$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'}}]})
umount2(&(0x7f00000002c0)='./file0\x00', 0x9) (async)
mount$overlay(0x0, &(0x7f0000000600)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)) (async)
mount$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}}): bpf$PROG_LOAD-ioctl$KVM_CREATE_VM-mkdirat-syz_mount_image$fuse-symlinkat-syz_mount_image$fuse-unlinkat-umount2-mount$overlay-mount$overlay
detailed listing:
executing program 0:
bpf$PROG_LOAD(0x5, 0x0, 0x0)
ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0)
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)
unlinkat(0xffffffffffffff9c, &(0x7f00000001c0)='./file0/file1\x00', 0x200)
umount2(&(0x7f00000002c0)='./file0\x00', 0x9) (async)
mount$overlay(0x0, &(0x7f0000000600)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)) (async)
mount$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}}): bpf$PROG_LOAD-ioctl$KVM_CREATE_VM-mkdirat-syz_mount_image$fuse-symlinkat-mount$overlay-unlinkat-umount2-mount$overlay-mount$overlay
detailed listing:
executing program 0:
bpf$PROG_LOAD(0x5, 0x0, 0x0)
ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0)
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)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
unlinkat(0xffffffffffffff9c, &(0x7f00000001c0)='./file0/file1\x00', 0x200)
umount2(&(0x7f00000002c0)='./file0\x00', 0x9) (async)
mount$overlay(0x0, &(0x7f0000000600)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)) (async)
mount$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}}): bpf$PROG_LOAD-ioctl$KVM_CREATE_VM-mkdirat-syz_mount_image$fuse-syz_mount_image$fuse-mount$overlay-unlinkat-umount2-mount$overlay-mount$overlay
detailed listing:
executing program 0:
bpf$PROG_LOAD(0x5, 0x0, 0x0)
ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1c0)
syz_mount_image$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)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
unlinkat(0xffffffffffffff9c, &(0x7f00000001c0)='./file0/file1\x00', 0x200)
umount2(&(0x7f00000002c0)='./file0\x00', 0x9) (async)
mount$overlay(0x0, &(0x7f0000000600)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)) (async)
mount$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}}): bpf$PROG_LOAD-ioctl$KVM_CREATE_VM-mkdirat-symlinkat-syz_mount_image$fuse-mount$overlay-unlinkat-umount2-mount$overlay-mount$overlay
detailed listing:
executing program 0:
bpf$PROG_LOAD(0x5, 0x0, 0x0)
ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0)
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)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
unlinkat(0xffffffffffffff9c, &(0x7f00000001c0)='./file0/file1\x00', 0x200)
umount2(&(0x7f00000002c0)='./file0\x00', 0x9) (async)
mount$overlay(0x0, &(0x7f0000000600)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)) (async)
mount$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}}): bpf$PROG_LOAD-ioctl$KVM_CREATE_VM-syz_mount_image$fuse-symlinkat-syz_mount_image$fuse-mount$overlay-unlinkat-umount2-mount$overlay-mount$overlay
detailed listing:
executing program 0:
bpf$PROG_LOAD(0x5, 0x0, 0x0)
ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0)
syz_mount_image$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) (async)
mount$overlay(0x0, &(0x7f0000000600)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)) (async)
mount$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}}): bpf$PROG_LOAD-mkdirat-syz_mount_image$fuse-symlinkat-syz_mount_image$fuse-mount$overlay-unlinkat-umount2-mount$overlay-mount$overlay
detailed listing:
executing program 0:
bpf$PROG_LOAD(0x5, 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1c0)
syz_mount_image$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) (async)
mount$overlay(0x0, &(0x7f0000000600)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)) (async)
mount$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$overlay-unlinkat-umount2-mount$overlay-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) (async)
mount$overlay(0x0, &(0x7f0000000600)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)) (async)
mount$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$overlay-unlinkat-umount2-mount$overlay-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$overlay(0x0, &(0x7f0000000600)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180))
mount$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-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)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
unlinkat(0xffffffffffffff9c, &(0x7f00000001c0)='./file0/file1\x00', 0x200)
umount2(&(0x7f00000002c0)='./file0\x00', 0x9) (async)
mount$overlay(0x0, &(0x7f0000000600)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)) (async)
mount$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-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)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
unlinkat(0xffffffffffffff9c, &(0x7f00000001c0)='./file0/file1\x00', 0x200)
umount2(&(0x7f00000002c0)='./file0\x00', 0x9) (async)
mount$overlay(0x0, &(0x7f0000000600)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)) (async)
mount$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-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)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
unlinkat(0xffffffffffffff9c, &(0x7f00000001c0)='./file0/file1\x00', 0x200)
umount2(&(0x7f00000002c0)='./file0\x00', 0x9) (async)
mount$overlay(0x0, &(0x7f0000000600)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)) (async)
mount$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-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)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
unlinkat(0xffffffffffffff9c, &(0x7f00000001c0)='./file0/file1\x00', 0x200)
umount2(&(0x7f00000002c0)='./file0\x00', 0x9) (async)
mount$overlay(0x0, &(0x7f0000000600)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)) (async)
mount$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-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)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
unlinkat(0xffffffffffffff9c, &(0x7f00000001c0)='./file0/file1\x00', 0x200)
umount2(&(0x7f00000002c0)='./file0\x00', 0x9) (async)
mount$overlay(0x0, &(0x7f0000000600)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)) (async)
mount$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-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)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
unlinkat(0xffffffffffffff9c, &(0x7f00000001c0)='./file0/file1\x00', 0x200)
umount2(&(0x7f00000002c0)='./file0\x00', 0x9) (async)
mount$overlay(0x0, &(0x7f0000000600)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)) (async)
mount$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-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)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
unlinkat(0xffffffffffffff9c, &(0x7f00000001c0)='./file0/file1\x00', 0x200)
umount2(&(0x7f00000002c0)='./file0\x00', 0x9) (async)
mount$overlay(0x0, &(0x7f0000000600)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)) (async)
mount$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-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)
unlinkat(0xffffffffffffff9c, &(0x7f00000001c0)='./file0/file1\x00', 0x200)
umount2(&(0x7f00000002c0)='./file0\x00', 0x9) (async)
mount$overlay(0x0, &(0x7f0000000600)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)) (async)
mount$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-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))
unlinkat(0xffffffffffffff9c, &(0x7f00000001c0)='./file0/file1\x00', 0x200)
umount2(&(0x7f00000002c0)='./file0\x00', 0x9) (async)
mount$overlay(0x0, &(0x7f0000000600)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)) (async)
mount$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-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, 0x0, 0x200)
umount2(&(0x7f00000002c0)='./file0\x00', 0x9) (async)
mount$overlay(0x0, &(0x7f0000000600)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)) (async)
mount$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-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(0x0, 0x9) (async)
mount$overlay(0x0, &(0x7f0000000600)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)) (async)
mount$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-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$overlay(0x0, &(0x7f0000000600)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)) (async)
mount$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-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) (async)
mount$overlay(0x0, 0x0, &(0x7f0000000b80), 0x0, &(0x7f0000000180)) (async)
mount$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-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) (async)
mount$overlay(0x0, &(0x7f0000000600)='./file0\x00', 0x0, 0x0, &(0x7f0000000180)) (async)
mount$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-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) (async)
mount$overlay(0x0, &(0x7f0000000600)='./file0\x00', &(0x7f0000000b80), 0x0, 0x0) (async)
mount$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-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) (async)
mount$overlay(0x0, &(0x7f0000000600)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180))
mount$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-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) (async)
mount$overlay(0x0, &(0x7f0000000600)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)) (async)
mount$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$overlay-unlinkat-umount2-mount$overlay-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) (async)
mount$overlay(0x0, &(0x7f0000000600)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)) (async)
mount$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$overlay-unlinkat-umount2-mount$overlay-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) (async)
mount$overlay(0x0, &(0x7f0000000600)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)) (async)
mount$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$overlay-unlinkat-umount2-mount$overlay-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) (async)
mount$overlay(0x0, &(0x7f0000000600)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)) (async)
mount$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$overlay-unlinkat-umount2-mount$overlay-mount$overlay
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
simplifying guilty program options
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_mount_image$fuse-symlinkat-syz_mount_image$fuse-mount$overlay-unlinkat-umount2-mount$overlay-mount$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$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000a80)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
unlinkat(0xffffffffffffff9c, &(0x7f00000001c0)='./file0/file1\x00', 0x200)
umount2(&(0x7f00000002c0)='./file0\x00', 0x9) (async)
mount$overlay(0x0, &(0x7f0000000600)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)) (async)
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: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$overlay-unlinkat-umount2-mount$overlay-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) (async)
mount$overlay(0x0, &(0x7f0000000600)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)) (async)
mount$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
extracting C reproducer
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$overlay-unlinkat-umount2-mount$overlay-mount$overlay
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_mount_image$fuse-symlinkat-syz_mount_image$fuse-mount$overlay-unlinkat-umount2-mount$overlay-mount$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$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000a80)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})
unlinkat(0xffffffffffffff9c, &(0x7f00000001c0)='./file0/file1\x00', 0x200)
umount2(&(0x7f00000002c0)='./file0\x00', 0x9) (async)
mount$overlay(0x0, &(0x7f0000000600)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)) (async)
mount$overlay(0x0, &(0x7f0000000600)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})

program did not crash
validation run: crashed=false
testing 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$overlay-unlinkat-umount2-mount$overlay-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) (async)
mount$overlay(0x0, &(0x7f0000000600)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)) (async)
mount$overlay(0x0, &(0x7f0000000600)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})

program did not crash
validation run: crashed=false
testing 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$overlay-unlinkat-umount2-mount$overlay-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) (async)
mount$overlay(0x0, &(0x7f0000000600)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)) (async)
mount$overlay(0x0, &(0x7f0000000600)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})

program did not crash
validation run: crashed=false
testing 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$overlay-unlinkat-umount2-mount$overlay-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) (async)
mount$overlay(0x0, &(0x7f0000000600)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)) (async)
mount$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: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-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) (async)
mount$overlay(0x0, &(0x7f0000000600)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)) (async)
mount$overlay(0x0, &(0x7f0000000600)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})

program did not crash
validation run: crashed=false
testing 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$overlay-unlinkat-umount2-mount$overlay-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) (async)
mount$overlay(0x0, &(0x7f0000000600)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)) (async)
mount$overlay(0x0, &(0x7f0000000600)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})

program did not crash
validation run: crashed=false
testing 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$overlay-unlinkat-umount2-mount$overlay-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) (async)
mount$overlay(0x0, &(0x7f0000000600)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)) (async)
mount$overlay(0x0, &(0x7f0000000600)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})

program did not crash
validation run: crashed=false
testing 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$overlay-unlinkat-umount2-mount$overlay-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) (async)
mount$overlay(0x0, &(0x7f0000000600)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)) (async)
mount$overlay(0x0, &(0x7f0000000600)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})

program did not crash
validation run: crashed=false
testing 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$overlay-unlinkat-umount2-mount$overlay-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) (async)
mount$overlay(0x0, &(0x7f0000000600)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)) (async)
mount$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: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-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) (async)
mount$overlay(0x0, &(0x7f0000000600)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)) (async)
mount$overlay(0x0, &(0x7f0000000600)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})

program did not crash
validation run: crashed=false
reproducing took 4h14m54.389896081s
repro crashed as (corrupted=false):
---[ end trace 0000000000000000 ]---
overlayfs: failed to create directory ./bus/work (errno: 17); mounting read-only
list_del corruption. prev->next should be ffff888117a981a0, but was ffff888117a98e70. (prev=ffff88811797df70)
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:61!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 7859 Comm: syz.2.2244 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 5e 07 89 02 0f 0b 48 c7 c7 e0 8c ca 85 48 89 de e8 4d 07 89 02 0f 0b 48 c7 c7 40 8d ca 85 48 89 de 4c 89 f9 e8 39 07 89 02 <0f> 0b 48 c7 c7 c0 8d ca 85 48 89 de 4c 89 f1 e8 25 07 89 02 0f 0b
RSP: 0018:ffffc90004427c60 EFLAGS: 00010246
RAX: 000000000000006d RBX: ffff888117a981a0 RCX: 395668161a717800
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000
RBP: ffffc90004427c80 R08: ffffc90004427847 R09: 1ffff92000884f08
R10: dffffc0000000000 R11: fffff52000884f09 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff888117a98e70 R15: ffff88811797df70
FS:  00007f4c9a2686c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4c9a267ff8 CR3: 000000012d6fc000 CR4: 00000000003506b0
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: 0033:0x7f4c9939cdd9
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:00007f4c9a268028 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: 0000000000000000 RBX: 00007f4c99616180 RCX: 00007f4c9939cdd9
RDX: 0000200000000b80 RSI: 0000200000000600 RDI: 0000000000000000
RBP: 00007f4c99432d69 R08: 0000200000000180 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f4c99616218 R14: 00007f4c99616180 R15: 00007fff8b88f688
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__list_del_entry_valid+0x10f/0x130 lib/list_debug.c:59
Code: e8 5e 07 89 02 0f 0b 48 c7 c7 e0 8c ca 85 48 89 de e8 4d 07 89 02 0f 0b 48 c7 c7 40 8d ca 85 48 89 de 4c 89 f9 e8 39 07 89 02 <0f> 0b 48 c7 c7 c0 8d ca 85 48 89 de 4c 89 f1 e8 25 07 89 02 0f 0b
RSP: 0018:ffffc90004427c60 EFLAGS: 00010246
RAX: 000000000000006d RBX: ffff888117a981a0 RCX: 395668161a717800
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000
RBP: ffffc90004427c80 R08: ffffc90004427847 R09: 1ffff92000884f08
R10: dffffc0000000000 R11: fffff52000884f09 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff888117a98e70 R15: ffff88811797df70
FS:  00007f4c9a2686c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4c9a267ff8 CR3: 000000012d6fc000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400

final repro crashed as (corrupted=false):
---[ end trace 0000000000000000 ]---
overlayfs: failed to create directory ./bus/work (errno: 17); mounting read-only
list_del corruption. prev->next should be ffff888117a981a0, but was ffff888117a98e70. (prev=ffff88811797df70)
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:61!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 7859 Comm: syz.2.2244 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 5e 07 89 02 0f 0b 48 c7 c7 e0 8c ca 85 48 89 de e8 4d 07 89 02 0f 0b 48 c7 c7 40 8d ca 85 48 89 de 4c 89 f9 e8 39 07 89 02 <0f> 0b 48 c7 c7 c0 8d ca 85 48 89 de 4c 89 f1 e8 25 07 89 02 0f 0b
RSP: 0018:ffffc90004427c60 EFLAGS: 00010246
RAX: 000000000000006d RBX: ffff888117a981a0 RCX: 395668161a717800
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000
RBP: ffffc90004427c80 R08: ffffc90004427847 R09: 1ffff92000884f08
R10: dffffc0000000000 R11: fffff52000884f09 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff888117a98e70 R15: ffff88811797df70
FS:  00007f4c9a2686c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4c9a267ff8 CR3: 000000012d6fc000 CR4: 00000000003506b0
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: 0033:0x7f4c9939cdd9
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:00007f4c9a268028 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: 0000000000000000 RBX: 00007f4c99616180 RCX: 00007f4c9939cdd9
RDX: 0000200000000b80 RSI: 0000200000000600 RDI: 0000000000000000
RBP: 00007f4c99432d69 R08: 0000200000000180 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f4c99616218 R14: 00007f4c99616180 R15: 00007fff8b88f688
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__list_del_entry_valid+0x10f/0x130 lib/list_debug.c:59
Code: e8 5e 07 89 02 0f 0b 48 c7 c7 e0 8c ca 85 48 89 de e8 4d 07 89 02 0f 0b 48 c7 c7 40 8d ca 85 48 89 de 4c 89 f9 e8 39 07 89 02 <0f> 0b 48 c7 c7 c0 8d ca 85 48 89 de 4c 89 f1 e8 25 07 89 02 0f 0b
RSP: 0018:ffffc90004427c60 EFLAGS: 00010246
RAX: 000000000000006d RBX: ffff888117a981a0 RCX: 395668161a717800
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000
RBP: ffffc90004427c80 R08: ffffc90004427847 R09: 1ffff92000884f08
R10: dffffc0000000000 R11: fffff52000884f09 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff888117a98e70 R15: ffff88811797df70
FS:  00007f4c9a2686c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4c9a267ff8 CR3: 000000012d6fc000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400