Extracting prog: 2m18.257278739s
Minimizing prog: 40m26.327313426s
Simplifying prog options: 0s
Extracting C: 20.775662164s
Simplifying C: 6m20.687180707s


extracting reproducer from 31 programs
first checking the prog from the crash report
single: executing 1 programs separately with timeout 30s
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mknod$loop-mount$overlay-unshare-syz_open_procfs$namespace-unshare-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-close_range-openat$sndtimer-ioctl$SNDRV_TIMER_IOCTL_SELECT-ioctl$SNDRV_TIMER_IOCTL_INFO-mount$incfs-mkdirat-mkdirat-mount$incfs-chdir-rmdir-syz_usb_connect-mkdirat-mkdirat-mknod$loop-mount$overlay-unshare-syz_open_procfs$namespace-unshare-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-close_range-openat$sndtimer-ioctl$SNDRV_TIMER_IOCTL_SELECT-ioctl$SNDRV_TIMER_IOCTL_INFO-mount$incfs-mkdirat-mkdirat-mount$incfs-chdir-rmdir-syz_usb_connect
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc8)
mknod$loop(&(0x7f00000000c0)='./bus\x00', 0x6000, 0x1)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000300)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}, {@nfs_export_on}]})
unshare(0x22020400)
syz_open_procfs$namespace(0xffffffffffffffff, &(0x7f00000000c0)='ns/cgroup\x00')
unshare(0x6020400)
r0 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000040)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x0, 0x7fff8000}]})
close_range(r0, 0xffffffffffffffff, 0x0)
r1 = openat$sndtimer(0xffffffffffffff9c, &(0x7f00000000c0), 0x0)
ioctl$SNDRV_TIMER_IOCTL_SELECT(r1, 0x40345410, &(0x7f0000000300)={{0x1, 0x2}})
ioctl$SNDRV_TIMER_IOCTL_INFO(r1, 0x80e85411, 0x0)
mount$incfs(&(0x7f0000000080)='./file0\x00', &(0x7f0000000140)='./file0\x00', &(0x7f0000000680), 0x2010800, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./file0\x00', 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f00000000c0)='./bus\x00', 0xa5)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)
chdir(&(0x7f00000001c0)='./bus\x00')
rmdir(&(0x7f0000000180)='./file1\x00')
syz_usb_connect(0x2, 0x24, &(0x7f0000000100)=ANY=[@ANYBLOB="1201ffe4d8a7621337baac9254d1dccc869ca6be4040041c150044e20102200109021200015f6550700904d50900ff102ff7"], 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0) (async)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc8) (async)
mknod$loop(&(0x7f00000000c0)='./bus\x00', 0x6000, 0x1) (async)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000300)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}, {@nfs_export_on}]}) (async)
unshare(0x22020400) (async)
syz_open_procfs$namespace(0xffffffffffffffff, &(0x7f00000000c0)='ns/cgroup\x00') (async)
unshare(0x6020400) (async)
seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000040)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x0, 0x7fff8000}]}) (async)
close_range(r0, 0xffffffffffffffff, 0x0) (async)
openat$sndtimer(0xffffffffffffff9c, &(0x7f00000000c0), 0x0) (async)
ioctl$SNDRV_TIMER_IOCTL_SELECT(r1, 0x40345410, &(0x7f0000000300)={{0x1, 0x2}}) (async)
ioctl$SNDRV_TIMER_IOCTL_INFO(r1, 0x80e85411, 0x0) (async)
mount$incfs(&(0x7f0000000080)='./file0\x00', &(0x7f0000000140)='./file0\x00', &(0x7f0000000680), 0x2010800, 0x0) (async)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./file0\x00', 0x0) (async)
mkdirat(0xffffffffffffff9c, &(0x7f00000000c0)='./bus\x00', 0xa5) (async)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0) (async)
chdir(&(0x7f00000001c0)='./bus\x00') (async)
rmdir(&(0x7f0000000180)='./file1\x00') (async)
syz_usb_connect(0x2, 0x24, &(0x7f0000000100)=ANY=[@ANYBLOB="1201ffe4d8a7621337baac9254d1dccc869ca6be4040041c150044e20102200109021200015f6550700904d50900ff102ff7"], 0x0) (async)

program crashed: general protection fault in current_umask
single: successfully extracted reproducer
found reproducer with 38 syscalls
minimizing guilty program
testing program (duration=37.73853541s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mknod$loop-mount$overlay-unshare-syz_open_procfs$namespace-unshare-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-close_range-openat$sndtimer-ioctl$SNDRV_TIMER_IOCTL_SELECT-ioctl$SNDRV_TIMER_IOCTL_INFO-mount$incfs-mkdirat-mkdirat-mount$incfs-chdir-rmdir-syz_usb_connect-mkdirat-mkdirat-mknod$loop-mount$overlay-unshare-syz_open_procfs$namespace-unshare-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-close_range-openat$sndtimer-ioctl$SNDRV_TIMER_IOCTL_SELECT-ioctl$SNDRV_TIMER_IOCTL_INFO-mount$incfs-mkdirat-mkdirat-mount$incfs-chdir-rmdir
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc8)
mknod$loop(&(0x7f00000000c0)='./bus\x00', 0x6000, 0x1)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000300)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}, {@nfs_export_on}]})
unshare(0x22020400)
syz_open_procfs$namespace(0xffffffffffffffff, &(0x7f00000000c0)='ns/cgroup\x00')
unshare(0x6020400)
r0 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000040)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x0, 0x7fff8000}]})
close_range(r0, 0xffffffffffffffff, 0x0)
r1 = openat$sndtimer(0xffffffffffffff9c, &(0x7f00000000c0), 0x0)
ioctl$SNDRV_TIMER_IOCTL_SELECT(r1, 0x40345410, &(0x7f0000000300)={{0x1, 0x2}})
ioctl$SNDRV_TIMER_IOCTL_INFO(r1, 0x80e85411, 0x0)
mount$incfs(&(0x7f0000000080)='./file0\x00', &(0x7f0000000140)='./file0\x00', &(0x7f0000000680), 0x2010800, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./file0\x00', 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f00000000c0)='./bus\x00', 0xa5)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)
chdir(&(0x7f00000001c0)='./bus\x00')
rmdir(&(0x7f0000000180)='./file1\x00')
syz_usb_connect(0x2, 0x24, &(0x7f0000000100)=ANY=[@ANYBLOB="1201ffe4d8a7621337baac9254d1dccc869ca6be4040041c150044e20102200109021200015f6550700904d50900ff102ff7"], 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0) (async)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc8) (async)
mknod$loop(&(0x7f00000000c0)='./bus\x00', 0x6000, 0x1) (async)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000300)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}, {@nfs_export_on}]}) (async)
unshare(0x22020400) (async)
syz_open_procfs$namespace(0xffffffffffffffff, &(0x7f00000000c0)='ns/cgroup\x00') (async)
unshare(0x6020400) (async)
seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000040)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x0, 0x7fff8000}]}) (async)
close_range(r0, 0xffffffffffffffff, 0x0) (async)
openat$sndtimer(0xffffffffffffff9c, &(0x7f00000000c0), 0x0) (async)
ioctl$SNDRV_TIMER_IOCTL_SELECT(r1, 0x40345410, &(0x7f0000000300)={{0x1, 0x2}}) (async)
ioctl$SNDRV_TIMER_IOCTL_INFO(r1, 0x80e85411, 0x0) (async)
mount$incfs(&(0x7f0000000080)='./file0\x00', &(0x7f0000000140)='./file0\x00', &(0x7f0000000680), 0x2010800, 0x0) (async)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./file0\x00', 0x0) (async)
mkdirat(0xffffffffffffff9c, &(0x7f00000000c0)='./bus\x00', 0xa5) (async)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0) (async)
chdir(&(0x7f00000001c0)='./bus\x00') (async)
rmdir(&(0x7f0000000180)='./file1\x00') (async)

program crashed: general protection fault in current_umask
testing program (duration=37.73853541s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mknod$loop-mount$overlay-unshare-syz_open_procfs$namespace-unshare-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-close_range-openat$sndtimer-ioctl$SNDRV_TIMER_IOCTL_SELECT-ioctl$SNDRV_TIMER_IOCTL_INFO-mount$incfs-mkdirat-mkdirat-mount$incfs-chdir-rmdir-syz_usb_connect-mkdirat-mkdirat-mknod$loop-mount$overlay-unshare-syz_open_procfs$namespace-unshare-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-close_range-openat$sndtimer-ioctl$SNDRV_TIMER_IOCTL_SELECT-ioctl$SNDRV_TIMER_IOCTL_INFO-mount$incfs-mkdirat-mkdirat-mount$incfs-chdir
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc8)
mknod$loop(&(0x7f00000000c0)='./bus\x00', 0x6000, 0x1)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000300)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}, {@nfs_export_on}]})
unshare(0x22020400)
syz_open_procfs$namespace(0xffffffffffffffff, &(0x7f00000000c0)='ns/cgroup\x00')
unshare(0x6020400)
r0 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000040)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x0, 0x7fff8000}]})
close_range(r0, 0xffffffffffffffff, 0x0)
r1 = openat$sndtimer(0xffffffffffffff9c, &(0x7f00000000c0), 0x0)
ioctl$SNDRV_TIMER_IOCTL_SELECT(r1, 0x40345410, &(0x7f0000000300)={{0x1, 0x2}})
ioctl$SNDRV_TIMER_IOCTL_INFO(r1, 0x80e85411, 0x0)
mount$incfs(&(0x7f0000000080)='./file0\x00', &(0x7f0000000140)='./file0\x00', &(0x7f0000000680), 0x2010800, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./file0\x00', 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f00000000c0)='./bus\x00', 0xa5)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)
chdir(&(0x7f00000001c0)='./bus\x00')
rmdir(&(0x7f0000000180)='./file1\x00')
syz_usb_connect(0x2, 0x24, &(0x7f0000000100)=ANY=[@ANYBLOB="1201ffe4d8a7621337baac9254d1dccc869ca6be4040041c150044e20102200109021200015f6550700904d50900ff102ff7"], 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0) (async)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc8) (async)
mknod$loop(&(0x7f00000000c0)='./bus\x00', 0x6000, 0x1) (async)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000300)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}, {@nfs_export_on}]}) (async)
unshare(0x22020400) (async)
syz_open_procfs$namespace(0xffffffffffffffff, &(0x7f00000000c0)='ns/cgroup\x00') (async)
unshare(0x6020400) (async)
seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000040)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x0, 0x7fff8000}]}) (async)
close_range(r0, 0xffffffffffffffff, 0x0) (async)
openat$sndtimer(0xffffffffffffff9c, &(0x7f00000000c0), 0x0) (async)
ioctl$SNDRV_TIMER_IOCTL_SELECT(r1, 0x40345410, &(0x7f0000000300)={{0x1, 0x2}}) (async)
ioctl$SNDRV_TIMER_IOCTL_INFO(r1, 0x80e85411, 0x0) (async)
mount$incfs(&(0x7f0000000080)='./file0\x00', &(0x7f0000000140)='./file0\x00', &(0x7f0000000680), 0x2010800, 0x0) (async)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./file0\x00', 0x0) (async)
mkdirat(0xffffffffffffff9c, &(0x7f00000000c0)='./bus\x00', 0xa5) (async)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0) (async)
chdir(&(0x7f00000001c0)='./bus\x00') (async)

program crashed: general protection fault in current_umask
testing program (duration=37.73853541s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mknod$loop-mount$overlay-unshare-syz_open_procfs$namespace-unshare-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-close_range-openat$sndtimer-ioctl$SNDRV_TIMER_IOCTL_SELECT-ioctl$SNDRV_TIMER_IOCTL_INFO-mount$incfs-mkdirat-mkdirat-mount$incfs-chdir-rmdir-syz_usb_connect-mkdirat-mkdirat-mknod$loop-mount$overlay-unshare-syz_open_procfs$namespace-unshare-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-close_range-openat$sndtimer-ioctl$SNDRV_TIMER_IOCTL_SELECT-ioctl$SNDRV_TIMER_IOCTL_INFO-mount$incfs-mkdirat-mkdirat-mount$incfs
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc8)
mknod$loop(&(0x7f00000000c0)='./bus\x00', 0x6000, 0x1)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000300)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}, {@nfs_export_on}]})
unshare(0x22020400)
syz_open_procfs$namespace(0xffffffffffffffff, &(0x7f00000000c0)='ns/cgroup\x00')
unshare(0x6020400)
r0 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000040)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x0, 0x7fff8000}]})
close_range(r0, 0xffffffffffffffff, 0x0)
r1 = openat$sndtimer(0xffffffffffffff9c, &(0x7f00000000c0), 0x0)
ioctl$SNDRV_TIMER_IOCTL_SELECT(r1, 0x40345410, &(0x7f0000000300)={{0x1, 0x2}})
ioctl$SNDRV_TIMER_IOCTL_INFO(r1, 0x80e85411, 0x0)
mount$incfs(&(0x7f0000000080)='./file0\x00', &(0x7f0000000140)='./file0\x00', &(0x7f0000000680), 0x2010800, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./file0\x00', 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f00000000c0)='./bus\x00', 0xa5)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)
chdir(&(0x7f00000001c0)='./bus\x00')
rmdir(&(0x7f0000000180)='./file1\x00')
syz_usb_connect(0x2, 0x24, &(0x7f0000000100)=ANY=[@ANYBLOB="1201ffe4d8a7621337baac9254d1dccc869ca6be4040041c150044e20102200109021200015f6550700904d50900ff102ff7"], 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0) (async)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc8) (async)
mknod$loop(&(0x7f00000000c0)='./bus\x00', 0x6000, 0x1) (async)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000300)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}, {@nfs_export_on}]}) (async)
unshare(0x22020400) (async)
syz_open_procfs$namespace(0xffffffffffffffff, &(0x7f00000000c0)='ns/cgroup\x00') (async)
unshare(0x6020400) (async)
seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000040)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x0, 0x7fff8000}]}) (async)
close_range(r0, 0xffffffffffffffff, 0x0) (async)
openat$sndtimer(0xffffffffffffff9c, &(0x7f00000000c0), 0x0) (async)
ioctl$SNDRV_TIMER_IOCTL_SELECT(r1, 0x40345410, &(0x7f0000000300)={{0x1, 0x2}}) (async)
ioctl$SNDRV_TIMER_IOCTL_INFO(r1, 0x80e85411, 0x0) (async)
mount$incfs(&(0x7f0000000080)='./file0\x00', &(0x7f0000000140)='./file0\x00', &(0x7f0000000680), 0x2010800, 0x0) (async)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./file0\x00', 0x0) (async)
mkdirat(0xffffffffffffff9c, &(0x7f00000000c0)='./bus\x00', 0xa5) (async)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0) (async)

program crashed: general protection fault in current_umask
testing program (duration=37.73853541s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mknod$loop-mount$overlay-unshare-syz_open_procfs$namespace-unshare-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-close_range-openat$sndtimer-ioctl$SNDRV_TIMER_IOCTL_SELECT-ioctl$SNDRV_TIMER_IOCTL_INFO-mount$incfs-mkdirat-mkdirat-mount$incfs-chdir-rmdir-syz_usb_connect-mkdirat-mkdirat-mknod$loop-mount$overlay-unshare-syz_open_procfs$namespace-unshare-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-close_range-openat$sndtimer-ioctl$SNDRV_TIMER_IOCTL_SELECT-ioctl$SNDRV_TIMER_IOCTL_INFO-mount$incfs-mkdirat-mkdirat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc8)
mknod$loop(&(0x7f00000000c0)='./bus\x00', 0x6000, 0x1)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000300)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}, {@nfs_export_on}]})
unshare(0x22020400)
syz_open_procfs$namespace(0xffffffffffffffff, &(0x7f00000000c0)='ns/cgroup\x00')
unshare(0x6020400)
r0 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000040)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x0, 0x7fff8000}]})
close_range(r0, 0xffffffffffffffff, 0x0)
r1 = openat$sndtimer(0xffffffffffffff9c, &(0x7f00000000c0), 0x0)
ioctl$SNDRV_TIMER_IOCTL_SELECT(r1, 0x40345410, &(0x7f0000000300)={{0x1, 0x2}})
ioctl$SNDRV_TIMER_IOCTL_INFO(r1, 0x80e85411, 0x0)
mount$incfs(&(0x7f0000000080)='./file0\x00', &(0x7f0000000140)='./file0\x00', &(0x7f0000000680), 0x2010800, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./file0\x00', 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f00000000c0)='./bus\x00', 0xa5)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)
chdir(&(0x7f00000001c0)='./bus\x00')
rmdir(&(0x7f0000000180)='./file1\x00')
syz_usb_connect(0x2, 0x24, &(0x7f0000000100)=ANY=[@ANYBLOB="1201ffe4d8a7621337baac9254d1dccc869ca6be4040041c150044e20102200109021200015f6550700904d50900ff102ff7"], 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0) (async)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc8) (async)
mknod$loop(&(0x7f00000000c0)='./bus\x00', 0x6000, 0x1) (async)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000300)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}, {@nfs_export_on}]}) (async)
unshare(0x22020400) (async)
syz_open_procfs$namespace(0xffffffffffffffff, &(0x7f00000000c0)='ns/cgroup\x00') (async)
unshare(0x6020400) (async)
seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000040)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x0, 0x7fff8000}]}) (async)
close_range(r0, 0xffffffffffffffff, 0x0) (async)
openat$sndtimer(0xffffffffffffff9c, &(0x7f00000000c0), 0x0) (async)
ioctl$SNDRV_TIMER_IOCTL_SELECT(r1, 0x40345410, &(0x7f0000000300)={{0x1, 0x2}}) (async)
ioctl$SNDRV_TIMER_IOCTL_INFO(r1, 0x80e85411, 0x0) (async)
mount$incfs(&(0x7f0000000080)='./file0\x00', &(0x7f0000000140)='./file0\x00', &(0x7f0000000680), 0x2010800, 0x0) (async)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./file0\x00', 0x0) (async)
mkdirat(0xffffffffffffff9c, &(0x7f00000000c0)='./bus\x00', 0xa5) (async)

program crashed: general protection fault in current_umask
testing program (duration=37.73853541s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mknod$loop-mount$overlay-unshare-syz_open_procfs$namespace-unshare-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-close_range-openat$sndtimer-ioctl$SNDRV_TIMER_IOCTL_SELECT-ioctl$SNDRV_TIMER_IOCTL_INFO-mount$incfs-mkdirat-mkdirat-mount$incfs-chdir-rmdir-syz_usb_connect-mkdirat-mkdirat-mknod$loop-mount$overlay-unshare-syz_open_procfs$namespace-unshare-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-close_range-openat$sndtimer-ioctl$SNDRV_TIMER_IOCTL_SELECT-ioctl$SNDRV_TIMER_IOCTL_INFO-mount$incfs-mkdirat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc8)
mknod$loop(&(0x7f00000000c0)='./bus\x00', 0x6000, 0x1)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000300)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}, {@nfs_export_on}]})
unshare(0x22020400)
syz_open_procfs$namespace(0xffffffffffffffff, &(0x7f00000000c0)='ns/cgroup\x00')
unshare(0x6020400)
r0 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000040)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x0, 0x7fff8000}]})
close_range(r0, 0xffffffffffffffff, 0x0)
r1 = openat$sndtimer(0xffffffffffffff9c, &(0x7f00000000c0), 0x0)
ioctl$SNDRV_TIMER_IOCTL_SELECT(r1, 0x40345410, &(0x7f0000000300)={{0x1, 0x2}})
ioctl$SNDRV_TIMER_IOCTL_INFO(r1, 0x80e85411, 0x0)
mount$incfs(&(0x7f0000000080)='./file0\x00', &(0x7f0000000140)='./file0\x00', &(0x7f0000000680), 0x2010800, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./file0\x00', 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f00000000c0)='./bus\x00', 0xa5)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)
chdir(&(0x7f00000001c0)='./bus\x00')
rmdir(&(0x7f0000000180)='./file1\x00')
syz_usb_connect(0x2, 0x24, &(0x7f0000000100)=ANY=[@ANYBLOB="1201ffe4d8a7621337baac9254d1dccc869ca6be4040041c150044e20102200109021200015f6550700904d50900ff102ff7"], 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0) (async)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc8) (async)
mknod$loop(&(0x7f00000000c0)='./bus\x00', 0x6000, 0x1) (async)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000300)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}, {@nfs_export_on}]}) (async)
unshare(0x22020400) (async)
syz_open_procfs$namespace(0xffffffffffffffff, &(0x7f00000000c0)='ns/cgroup\x00') (async)
unshare(0x6020400) (async)
seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000040)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x0, 0x7fff8000}]}) (async)
close_range(r0, 0xffffffffffffffff, 0x0) (async)
openat$sndtimer(0xffffffffffffff9c, &(0x7f00000000c0), 0x0) (async)
ioctl$SNDRV_TIMER_IOCTL_SELECT(r1, 0x40345410, &(0x7f0000000300)={{0x1, 0x2}}) (async)
ioctl$SNDRV_TIMER_IOCTL_INFO(r1, 0x80e85411, 0x0) (async)
mount$incfs(&(0x7f0000000080)='./file0\x00', &(0x7f0000000140)='./file0\x00', &(0x7f0000000680), 0x2010800, 0x0) (async)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./file0\x00', 0x0) (async)

program crashed: general protection fault in current_umask
testing program (duration=37.73853541s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mknod$loop-mount$overlay-unshare-syz_open_procfs$namespace-unshare-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-close_range-openat$sndtimer-ioctl$SNDRV_TIMER_IOCTL_SELECT-ioctl$SNDRV_TIMER_IOCTL_INFO-mount$incfs-mkdirat-mkdirat-mount$incfs-chdir-rmdir-syz_usb_connect-mkdirat-mkdirat-mknod$loop-mount$overlay-unshare-syz_open_procfs$namespace-unshare-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-close_range-openat$sndtimer-ioctl$SNDRV_TIMER_IOCTL_SELECT-ioctl$SNDRV_TIMER_IOCTL_INFO-mount$incfs
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc8)
mknod$loop(&(0x7f00000000c0)='./bus\x00', 0x6000, 0x1)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000300)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}, {@nfs_export_on}]})
unshare(0x22020400)
syz_open_procfs$namespace(0xffffffffffffffff, &(0x7f00000000c0)='ns/cgroup\x00')
unshare(0x6020400)
r0 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000040)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x0, 0x7fff8000}]})
close_range(r0, 0xffffffffffffffff, 0x0)
r1 = openat$sndtimer(0xffffffffffffff9c, &(0x7f00000000c0), 0x0)
ioctl$SNDRV_TIMER_IOCTL_SELECT(r1, 0x40345410, &(0x7f0000000300)={{0x1, 0x2}})
ioctl$SNDRV_TIMER_IOCTL_INFO(r1, 0x80e85411, 0x0)
mount$incfs(&(0x7f0000000080)='./file0\x00', &(0x7f0000000140)='./file0\x00', &(0x7f0000000680), 0x2010800, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./file0\x00', 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f00000000c0)='./bus\x00', 0xa5)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)
chdir(&(0x7f00000001c0)='./bus\x00')
rmdir(&(0x7f0000000180)='./file1\x00')
syz_usb_connect(0x2, 0x24, &(0x7f0000000100)=ANY=[@ANYBLOB="1201ffe4d8a7621337baac9254d1dccc869ca6be4040041c150044e20102200109021200015f6550700904d50900ff102ff7"], 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0) (async)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc8) (async)
mknod$loop(&(0x7f00000000c0)='./bus\x00', 0x6000, 0x1) (async)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000300)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}, {@nfs_export_on}]}) (async)
unshare(0x22020400) (async)
syz_open_procfs$namespace(0xffffffffffffffff, &(0x7f00000000c0)='ns/cgroup\x00') (async)
unshare(0x6020400) (async)
seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000040)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x0, 0x7fff8000}]}) (async)
close_range(r0, 0xffffffffffffffff, 0x0) (async)
openat$sndtimer(0xffffffffffffff9c, &(0x7f00000000c0), 0x0) (async)
ioctl$SNDRV_TIMER_IOCTL_SELECT(r1, 0x40345410, &(0x7f0000000300)={{0x1, 0x2}}) (async)
ioctl$SNDRV_TIMER_IOCTL_INFO(r1, 0x80e85411, 0x0) (async)
mount$incfs(&(0x7f0000000080)='./file0\x00', &(0x7f0000000140)='./file0\x00', &(0x7f0000000680), 0x2010800, 0x0) (async)

program crashed: general protection fault in current_umask
testing program (duration=37.73853541s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mknod$loop-mount$overlay-unshare-syz_open_procfs$namespace-unshare-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-close_range-openat$sndtimer-ioctl$SNDRV_TIMER_IOCTL_SELECT-ioctl$SNDRV_TIMER_IOCTL_INFO-mount$incfs-mkdirat-mkdirat-mount$incfs-chdir-rmdir-syz_usb_connect-mkdirat-mkdirat-mknod$loop-mount$overlay-unshare-syz_open_procfs$namespace-unshare-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-close_range-openat$sndtimer-ioctl$SNDRV_TIMER_IOCTL_SELECT-ioctl$SNDRV_TIMER_IOCTL_INFO
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc8)
mknod$loop(&(0x7f00000000c0)='./bus\x00', 0x6000, 0x1)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000300)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}, {@nfs_export_on}]})
unshare(0x22020400)
syz_open_procfs$namespace(0xffffffffffffffff, &(0x7f00000000c0)='ns/cgroup\x00')
unshare(0x6020400)
r0 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000040)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x0, 0x7fff8000}]})
close_range(r0, 0xffffffffffffffff, 0x0)
r1 = openat$sndtimer(0xffffffffffffff9c, &(0x7f00000000c0), 0x0)
ioctl$SNDRV_TIMER_IOCTL_SELECT(r1, 0x40345410, &(0x7f0000000300)={{0x1, 0x2}})
ioctl$SNDRV_TIMER_IOCTL_INFO(r1, 0x80e85411, 0x0)
mount$incfs(&(0x7f0000000080)='./file0\x00', &(0x7f0000000140)='./file0\x00', &(0x7f0000000680), 0x2010800, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./file0\x00', 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f00000000c0)='./bus\x00', 0xa5)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)
chdir(&(0x7f00000001c0)='./bus\x00')
rmdir(&(0x7f0000000180)='./file1\x00')
syz_usb_connect(0x2, 0x24, &(0x7f0000000100)=ANY=[@ANYBLOB="1201ffe4d8a7621337baac9254d1dccc869ca6be4040041c150044e20102200109021200015f6550700904d50900ff102ff7"], 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0) (async)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc8) (async)
mknod$loop(&(0x7f00000000c0)='./bus\x00', 0x6000, 0x1) (async)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000300)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}, {@nfs_export_on}]}) (async)
unshare(0x22020400) (async)
syz_open_procfs$namespace(0xffffffffffffffff, &(0x7f00000000c0)='ns/cgroup\x00') (async)
unshare(0x6020400) (async)
seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000040)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x0, 0x7fff8000}]}) (async)
close_range(r0, 0xffffffffffffffff, 0x0) (async)
openat$sndtimer(0xffffffffffffff9c, &(0x7f00000000c0), 0x0) (async)
ioctl$SNDRV_TIMER_IOCTL_SELECT(r1, 0x40345410, &(0x7f0000000300)={{0x1, 0x2}}) (async)
ioctl$SNDRV_TIMER_IOCTL_INFO(r1, 0x80e85411, 0x0) (async)

program crashed: general protection fault in current_umask
testing program (duration=37.73853541s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mknod$loop-mount$overlay-unshare-syz_open_procfs$namespace-unshare-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-close_range-openat$sndtimer-ioctl$SNDRV_TIMER_IOCTL_SELECT-ioctl$SNDRV_TIMER_IOCTL_INFO-mount$incfs-mkdirat-mkdirat-mount$incfs-chdir-rmdir-syz_usb_connect-mkdirat-mkdirat-mknod$loop-mount$overlay-unshare-syz_open_procfs$namespace-unshare-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-close_range-openat$sndtimer-ioctl$SNDRV_TIMER_IOCTL_SELECT
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc8)
mknod$loop(&(0x7f00000000c0)='./bus\x00', 0x6000, 0x1)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000300)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}, {@nfs_export_on}]})
unshare(0x22020400)
syz_open_procfs$namespace(0xffffffffffffffff, &(0x7f00000000c0)='ns/cgroup\x00')
unshare(0x6020400)
r0 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000040)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x0, 0x7fff8000}]})
close_range(r0, 0xffffffffffffffff, 0x0)
r1 = openat$sndtimer(0xffffffffffffff9c, &(0x7f00000000c0), 0x0)
ioctl$SNDRV_TIMER_IOCTL_SELECT(r1, 0x40345410, &(0x7f0000000300)={{0x1, 0x2}})
ioctl$SNDRV_TIMER_IOCTL_INFO(r1, 0x80e85411, 0x0)
mount$incfs(&(0x7f0000000080)='./file0\x00', &(0x7f0000000140)='./file0\x00', &(0x7f0000000680), 0x2010800, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./file0\x00', 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f00000000c0)='./bus\x00', 0xa5)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)
chdir(&(0x7f00000001c0)='./bus\x00')
rmdir(&(0x7f0000000180)='./file1\x00')
syz_usb_connect(0x2, 0x24, &(0x7f0000000100)=ANY=[@ANYBLOB="1201ffe4d8a7621337baac9254d1dccc869ca6be4040041c150044e20102200109021200015f6550700904d50900ff102ff7"], 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0) (async)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc8) (async)
mknod$loop(&(0x7f00000000c0)='./bus\x00', 0x6000, 0x1) (async)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000300)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}, {@nfs_export_on}]}) (async)
unshare(0x22020400) (async)
syz_open_procfs$namespace(0xffffffffffffffff, &(0x7f00000000c0)='ns/cgroup\x00') (async)
unshare(0x6020400) (async)
seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000040)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x0, 0x7fff8000}]}) (async)
close_range(r0, 0xffffffffffffffff, 0x0) (async)
openat$sndtimer(0xffffffffffffff9c, &(0x7f00000000c0), 0x0) (async)
ioctl$SNDRV_TIMER_IOCTL_SELECT(r1, 0x40345410, &(0x7f0000000300)={{0x1, 0x2}}) (async)

program crashed: general protection fault in current_umask
testing program (duration=37.73853541s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mknod$loop-mount$overlay-unshare-syz_open_procfs$namespace-unshare-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-close_range-openat$sndtimer-ioctl$SNDRV_TIMER_IOCTL_SELECT-ioctl$SNDRV_TIMER_IOCTL_INFO-mount$incfs-mkdirat-mkdirat-mount$incfs-chdir-rmdir-syz_usb_connect-mkdirat-mkdirat-mknod$loop-mount$overlay-unshare-syz_open_procfs$namespace-unshare-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-close_range-openat$sndtimer
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc8)
mknod$loop(&(0x7f00000000c0)='./bus\x00', 0x6000, 0x1)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000300)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}, {@nfs_export_on}]})
unshare(0x22020400)
syz_open_procfs$namespace(0xffffffffffffffff, &(0x7f00000000c0)='ns/cgroup\x00')
unshare(0x6020400)
r0 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000040)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x0, 0x7fff8000}]})
close_range(r0, 0xffffffffffffffff, 0x0)
r1 = openat$sndtimer(0xffffffffffffff9c, &(0x7f00000000c0), 0x0)
ioctl$SNDRV_TIMER_IOCTL_SELECT(r1, 0x40345410, &(0x7f0000000300)={{0x1, 0x2}})
ioctl$SNDRV_TIMER_IOCTL_INFO(r1, 0x80e85411, 0x0)
mount$incfs(&(0x7f0000000080)='./file0\x00', &(0x7f0000000140)='./file0\x00', &(0x7f0000000680), 0x2010800, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./file0\x00', 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f00000000c0)='./bus\x00', 0xa5)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)
chdir(&(0x7f00000001c0)='./bus\x00')
rmdir(&(0x7f0000000180)='./file1\x00')
syz_usb_connect(0x2, 0x24, &(0x7f0000000100)=ANY=[@ANYBLOB="1201ffe4d8a7621337baac9254d1dccc869ca6be4040041c150044e20102200109021200015f6550700904d50900ff102ff7"], 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0) (async)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc8) (async)
mknod$loop(&(0x7f00000000c0)='./bus\x00', 0x6000, 0x1) (async)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000300)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}, {@nfs_export_on}]}) (async)
unshare(0x22020400) (async)
syz_open_procfs$namespace(0xffffffffffffffff, &(0x7f00000000c0)='ns/cgroup\x00') (async)
unshare(0x6020400) (async)
seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000040)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x0, 0x7fff8000}]}) (async)
close_range(r0, 0xffffffffffffffff, 0x0) (async)
openat$sndtimer(0xffffffffffffff9c, &(0x7f00000000c0), 0x0) (async)

program crashed: general protection fault in current_umask
testing program (duration=37.73853541s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mknod$loop-mount$overlay-unshare-syz_open_procfs$namespace-unshare-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-close_range-openat$sndtimer-ioctl$SNDRV_TIMER_IOCTL_SELECT-ioctl$SNDRV_TIMER_IOCTL_INFO-mount$incfs-mkdirat-mkdirat-mount$incfs-chdir-rmdir-syz_usb_connect-mkdirat-mkdirat-mknod$loop-mount$overlay-unshare-syz_open_procfs$namespace-unshare-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-close_range
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc8)
mknod$loop(&(0x7f00000000c0)='./bus\x00', 0x6000, 0x1)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000300)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}, {@nfs_export_on}]})
unshare(0x22020400)
syz_open_procfs$namespace(0xffffffffffffffff, &(0x7f00000000c0)='ns/cgroup\x00')
unshare(0x6020400)
r0 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000040)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x0, 0x7fff8000}]})
close_range(r0, 0xffffffffffffffff, 0x0)
r1 = openat$sndtimer(0xffffffffffffff9c, &(0x7f00000000c0), 0x0)
ioctl$SNDRV_TIMER_IOCTL_SELECT(r1, 0x40345410, &(0x7f0000000300)={{0x1, 0x2}})
ioctl$SNDRV_TIMER_IOCTL_INFO(r1, 0x80e85411, 0x0)
mount$incfs(&(0x7f0000000080)='./file0\x00', &(0x7f0000000140)='./file0\x00', &(0x7f0000000680), 0x2010800, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./file0\x00', 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f00000000c0)='./bus\x00', 0xa5)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)
chdir(&(0x7f00000001c0)='./bus\x00')
rmdir(&(0x7f0000000180)='./file1\x00')
syz_usb_connect(0x2, 0x24, &(0x7f0000000100)=ANY=[@ANYBLOB="1201ffe4d8a7621337baac9254d1dccc869ca6be4040041c150044e20102200109021200015f6550700904d50900ff102ff7"], 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0) (async)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc8) (async)
mknod$loop(&(0x7f00000000c0)='./bus\x00', 0x6000, 0x1) (async)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000300)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}, {@nfs_export_on}]}) (async)
unshare(0x22020400) (async)
syz_open_procfs$namespace(0xffffffffffffffff, &(0x7f00000000c0)='ns/cgroup\x00') (async)
unshare(0x6020400) (async)
seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000040)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x0, 0x7fff8000}]}) (async)
close_range(r0, 0xffffffffffffffff, 0x0) (async)

program crashed: general protection fault in current_umask
testing program (duration=37.73853541s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mknod$loop-mount$overlay-unshare-syz_open_procfs$namespace-unshare-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-close_range-openat$sndtimer-ioctl$SNDRV_TIMER_IOCTL_SELECT-ioctl$SNDRV_TIMER_IOCTL_INFO-mount$incfs-mkdirat-mkdirat-mount$incfs-chdir-rmdir-syz_usb_connect-mkdirat-mkdirat-mknod$loop-mount$overlay-unshare-syz_open_procfs$namespace-unshare-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc8)
mknod$loop(&(0x7f00000000c0)='./bus\x00', 0x6000, 0x1)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000300)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}, {@nfs_export_on}]})
unshare(0x22020400)
syz_open_procfs$namespace(0xffffffffffffffff, &(0x7f00000000c0)='ns/cgroup\x00')
unshare(0x6020400)
r0 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000040)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x0, 0x7fff8000}]})
close_range(r0, 0xffffffffffffffff, 0x0)
r1 = openat$sndtimer(0xffffffffffffff9c, &(0x7f00000000c0), 0x0)
ioctl$SNDRV_TIMER_IOCTL_SELECT(r1, 0x40345410, &(0x7f0000000300)={{0x1, 0x2}})
ioctl$SNDRV_TIMER_IOCTL_INFO(r1, 0x80e85411, 0x0)
mount$incfs(&(0x7f0000000080)='./file0\x00', &(0x7f0000000140)='./file0\x00', &(0x7f0000000680), 0x2010800, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./file0\x00', 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f00000000c0)='./bus\x00', 0xa5)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)
chdir(&(0x7f00000001c0)='./bus\x00')
rmdir(&(0x7f0000000180)='./file1\x00')
syz_usb_connect(0x2, 0x24, &(0x7f0000000100)=ANY=[@ANYBLOB="1201ffe4d8a7621337baac9254d1dccc869ca6be4040041c150044e20102200109021200015f6550700904d50900ff102ff7"], 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0) (async)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc8) (async)
mknod$loop(&(0x7f00000000c0)='./bus\x00', 0x6000, 0x1) (async)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000300)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}, {@nfs_export_on}]}) (async)
unshare(0x22020400) (async)
syz_open_procfs$namespace(0xffffffffffffffff, &(0x7f00000000c0)='ns/cgroup\x00') (async)
unshare(0x6020400) (async)
seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000040)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x0, 0x7fff8000}]}) (async)

program crashed: general protection fault in current_umask
testing program (duration=37.73853541s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mknod$loop-mount$overlay-unshare-syz_open_procfs$namespace-unshare-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-close_range-openat$sndtimer-ioctl$SNDRV_TIMER_IOCTL_SELECT-ioctl$SNDRV_TIMER_IOCTL_INFO-mount$incfs-mkdirat-mkdirat-mount$incfs-chdir-rmdir-syz_usb_connect-mkdirat-mkdirat-mknod$loop-mount$overlay-unshare-syz_open_procfs$namespace-unshare
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc8)
mknod$loop(&(0x7f00000000c0)='./bus\x00', 0x6000, 0x1)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000300)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}, {@nfs_export_on}]})
unshare(0x22020400)
syz_open_procfs$namespace(0xffffffffffffffff, &(0x7f00000000c0)='ns/cgroup\x00')
unshare(0x6020400)
r0 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000040)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x0, 0x7fff8000}]})
close_range(r0, 0xffffffffffffffff, 0x0)
r1 = openat$sndtimer(0xffffffffffffff9c, &(0x7f00000000c0), 0x0)
ioctl$SNDRV_TIMER_IOCTL_SELECT(r1, 0x40345410, &(0x7f0000000300)={{0x1, 0x2}})
ioctl$SNDRV_TIMER_IOCTL_INFO(r1, 0x80e85411, 0x0)
mount$incfs(&(0x7f0000000080)='./file0\x00', &(0x7f0000000140)='./file0\x00', &(0x7f0000000680), 0x2010800, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./file0\x00', 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f00000000c0)='./bus\x00', 0xa5)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)
chdir(&(0x7f00000001c0)='./bus\x00')
rmdir(&(0x7f0000000180)='./file1\x00')
syz_usb_connect(0x2, 0x24, &(0x7f0000000100)=ANY=[@ANYBLOB="1201ffe4d8a7621337baac9254d1dccc869ca6be4040041c150044e20102200109021200015f6550700904d50900ff102ff7"], 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0) (async)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc8) (async)
mknod$loop(&(0x7f00000000c0)='./bus\x00', 0x6000, 0x1) (async)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000300)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}, {@nfs_export_on}]}) (async)
unshare(0x22020400) (async)
syz_open_procfs$namespace(0xffffffffffffffff, &(0x7f00000000c0)='ns/cgroup\x00') (async)
unshare(0x6020400) (async)

program crashed: general protection fault in current_umask
testing program (duration=37.73853541s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mknod$loop-mount$overlay-unshare-syz_open_procfs$namespace-unshare-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-close_range-openat$sndtimer-ioctl$SNDRV_TIMER_IOCTL_SELECT-ioctl$SNDRV_TIMER_IOCTL_INFO-mount$incfs-mkdirat-mkdirat-mount$incfs-chdir-rmdir-syz_usb_connect-mkdirat-mkdirat-mknod$loop-mount$overlay-unshare-syz_open_procfs$namespace
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc8)
mknod$loop(&(0x7f00000000c0)='./bus\x00', 0x6000, 0x1)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000300)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}, {@nfs_export_on}]})
unshare(0x22020400)
syz_open_procfs$namespace(0xffffffffffffffff, &(0x7f00000000c0)='ns/cgroup\x00')
unshare(0x6020400)
r0 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000040)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x0, 0x7fff8000}]})
close_range(r0, 0xffffffffffffffff, 0x0)
r1 = openat$sndtimer(0xffffffffffffff9c, &(0x7f00000000c0), 0x0)
ioctl$SNDRV_TIMER_IOCTL_SELECT(r1, 0x40345410, &(0x7f0000000300)={{0x1, 0x2}})
ioctl$SNDRV_TIMER_IOCTL_INFO(r1, 0x80e85411, 0x0)
mount$incfs(&(0x7f0000000080)='./file0\x00', &(0x7f0000000140)='./file0\x00', &(0x7f0000000680), 0x2010800, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./file0\x00', 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f00000000c0)='./bus\x00', 0xa5)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)
chdir(&(0x7f00000001c0)='./bus\x00')
rmdir(&(0x7f0000000180)='./file1\x00')
syz_usb_connect(0x2, 0x24, &(0x7f0000000100)=ANY=[@ANYBLOB="1201ffe4d8a7621337baac9254d1dccc869ca6be4040041c150044e20102200109021200015f6550700904d50900ff102ff7"], 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0) (async)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc8) (async)
mknod$loop(&(0x7f00000000c0)='./bus\x00', 0x6000, 0x1) (async)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000300)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}, {@nfs_export_on}]}) (async)
unshare(0x22020400) (async)
syz_open_procfs$namespace(0xffffffffffffffff, &(0x7f00000000c0)='ns/cgroup\x00') (async)

program crashed: general protection fault in current_umask
testing program (duration=37.73853541s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mknod$loop-mount$overlay-unshare-syz_open_procfs$namespace-unshare-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-close_range-openat$sndtimer-ioctl$SNDRV_TIMER_IOCTL_SELECT-ioctl$SNDRV_TIMER_IOCTL_INFO-mount$incfs-mkdirat-mkdirat-mount$incfs-chdir-rmdir-syz_usb_connect-mkdirat-mkdirat-mknod$loop-mount$overlay-unshare
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc8)
mknod$loop(&(0x7f00000000c0)='./bus\x00', 0x6000, 0x1)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000300)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}, {@nfs_export_on}]})
unshare(0x22020400)
syz_open_procfs$namespace(0xffffffffffffffff, &(0x7f00000000c0)='ns/cgroup\x00')
unshare(0x6020400)
r0 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000040)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x0, 0x7fff8000}]})
close_range(r0, 0xffffffffffffffff, 0x0)
r1 = openat$sndtimer(0xffffffffffffff9c, &(0x7f00000000c0), 0x0)
ioctl$SNDRV_TIMER_IOCTL_SELECT(r1, 0x40345410, &(0x7f0000000300)={{0x1, 0x2}})
ioctl$SNDRV_TIMER_IOCTL_INFO(r1, 0x80e85411, 0x0)
mount$incfs(&(0x7f0000000080)='./file0\x00', &(0x7f0000000140)='./file0\x00', &(0x7f0000000680), 0x2010800, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./file0\x00', 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f00000000c0)='./bus\x00', 0xa5)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)
chdir(&(0x7f00000001c0)='./bus\x00')
rmdir(&(0x7f0000000180)='./file1\x00')
syz_usb_connect(0x2, 0x24, &(0x7f0000000100)=ANY=[@ANYBLOB="1201ffe4d8a7621337baac9254d1dccc869ca6be4040041c150044e20102200109021200015f6550700904d50900ff102ff7"], 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0) (async)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc8) (async)
mknod$loop(&(0x7f00000000c0)='./bus\x00', 0x6000, 0x1) (async)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000300)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}, {@nfs_export_on}]}) (async)
unshare(0x22020400) (async)

program crashed: general protection fault in current_umask
testing program (duration=37.73853541s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mknod$loop-mount$overlay-unshare-syz_open_procfs$namespace-unshare-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-close_range-openat$sndtimer-ioctl$SNDRV_TIMER_IOCTL_SELECT-ioctl$SNDRV_TIMER_IOCTL_INFO-mount$incfs-mkdirat-mkdirat-mount$incfs-chdir-rmdir-syz_usb_connect-mkdirat-mkdirat-mknod$loop-mount$overlay
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc8)
mknod$loop(&(0x7f00000000c0)='./bus\x00', 0x6000, 0x1)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000300)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}, {@nfs_export_on}]})
unshare(0x22020400)
syz_open_procfs$namespace(0xffffffffffffffff, &(0x7f00000000c0)='ns/cgroup\x00')
unshare(0x6020400)
r0 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000040)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x0, 0x7fff8000}]})
close_range(r0, 0xffffffffffffffff, 0x0)
r1 = openat$sndtimer(0xffffffffffffff9c, &(0x7f00000000c0), 0x0)
ioctl$SNDRV_TIMER_IOCTL_SELECT(r1, 0x40345410, &(0x7f0000000300)={{0x1, 0x2}})
ioctl$SNDRV_TIMER_IOCTL_INFO(r1, 0x80e85411, 0x0)
mount$incfs(&(0x7f0000000080)='./file0\x00', &(0x7f0000000140)='./file0\x00', &(0x7f0000000680), 0x2010800, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./file0\x00', 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f00000000c0)='./bus\x00', 0xa5)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)
chdir(&(0x7f00000001c0)='./bus\x00')
rmdir(&(0x7f0000000180)='./file1\x00')
syz_usb_connect(0x2, 0x24, &(0x7f0000000100)=ANY=[@ANYBLOB="1201ffe4d8a7621337baac9254d1dccc869ca6be4040041c150044e20102200109021200015f6550700904d50900ff102ff7"], 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0) (async)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc8) (async)
mknod$loop(&(0x7f00000000c0)='./bus\x00', 0x6000, 0x1) (async)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000300)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}, {@nfs_export_on}]}) (async)

program crashed: general protection fault in current_umask
testing program (duration=37.73853541s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mknod$loop-mount$overlay-unshare-syz_open_procfs$namespace-unshare-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-close_range-openat$sndtimer-ioctl$SNDRV_TIMER_IOCTL_SELECT-ioctl$SNDRV_TIMER_IOCTL_INFO-mount$incfs-mkdirat-mkdirat-mount$incfs-chdir-rmdir-syz_usb_connect-mkdirat-mkdirat-mknod$loop
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc8)
mknod$loop(&(0x7f00000000c0)='./bus\x00', 0x6000, 0x1)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000300)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}, {@nfs_export_on}]})
unshare(0x22020400)
syz_open_procfs$namespace(0xffffffffffffffff, &(0x7f00000000c0)='ns/cgroup\x00')
unshare(0x6020400)
r0 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000040)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x0, 0x7fff8000}]})
close_range(r0, 0xffffffffffffffff, 0x0)
r1 = openat$sndtimer(0xffffffffffffff9c, &(0x7f00000000c0), 0x0)
ioctl$SNDRV_TIMER_IOCTL_SELECT(r1, 0x40345410, &(0x7f0000000300)={{0x1, 0x2}})
ioctl$SNDRV_TIMER_IOCTL_INFO(r1, 0x80e85411, 0x0)
mount$incfs(&(0x7f0000000080)='./file0\x00', &(0x7f0000000140)='./file0\x00', &(0x7f0000000680), 0x2010800, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./file0\x00', 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f00000000c0)='./bus\x00', 0xa5)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)
chdir(&(0x7f00000001c0)='./bus\x00')
rmdir(&(0x7f0000000180)='./file1\x00')
syz_usb_connect(0x2, 0x24, &(0x7f0000000100)=ANY=[@ANYBLOB="1201ffe4d8a7621337baac9254d1dccc869ca6be4040041c150044e20102200109021200015f6550700904d50900ff102ff7"], 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0) (async)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc8) (async)
mknod$loop(&(0x7f00000000c0)='./bus\x00', 0x6000, 0x1) (async)

program crashed: general protection fault in current_umask
testing program (duration=37.73853541s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mknod$loop-mount$overlay-unshare-syz_open_procfs$namespace-unshare-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-close_range-openat$sndtimer-ioctl$SNDRV_TIMER_IOCTL_SELECT-ioctl$SNDRV_TIMER_IOCTL_INFO-mount$incfs-mkdirat-mkdirat-mount$incfs-chdir-rmdir-syz_usb_connect-mkdirat-mkdirat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc8)
mknod$loop(&(0x7f00000000c0)='./bus\x00', 0x6000, 0x1)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000300)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}, {@nfs_export_on}]})
unshare(0x22020400)
syz_open_procfs$namespace(0xffffffffffffffff, &(0x7f00000000c0)='ns/cgroup\x00')
unshare(0x6020400)
r0 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000040)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x0, 0x7fff8000}]})
close_range(r0, 0xffffffffffffffff, 0x0)
r1 = openat$sndtimer(0xffffffffffffff9c, &(0x7f00000000c0), 0x0)
ioctl$SNDRV_TIMER_IOCTL_SELECT(r1, 0x40345410, &(0x7f0000000300)={{0x1, 0x2}})
ioctl$SNDRV_TIMER_IOCTL_INFO(r1, 0x80e85411, 0x0)
mount$incfs(&(0x7f0000000080)='./file0\x00', &(0x7f0000000140)='./file0\x00', &(0x7f0000000680), 0x2010800, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./file0\x00', 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f00000000c0)='./bus\x00', 0xa5)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)
chdir(&(0x7f00000001c0)='./bus\x00')
rmdir(&(0x7f0000000180)='./file1\x00')
syz_usb_connect(0x2, 0x24, &(0x7f0000000100)=ANY=[@ANYBLOB="1201ffe4d8a7621337baac9254d1dccc869ca6be4040041c150044e20102200109021200015f6550700904d50900ff102ff7"], 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0) (async)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc8) (async)

program crashed: general protection fault in current_umask
testing program (duration=37.73853541s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mknod$loop-mount$overlay-unshare-syz_open_procfs$namespace-unshare-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-close_range-openat$sndtimer-ioctl$SNDRV_TIMER_IOCTL_SELECT-ioctl$SNDRV_TIMER_IOCTL_INFO-mount$incfs-mkdirat-mkdirat-mount$incfs-chdir-rmdir-syz_usb_connect-mkdirat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc8)
mknod$loop(&(0x7f00000000c0)='./bus\x00', 0x6000, 0x1)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000300)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}, {@nfs_export_on}]})
unshare(0x22020400)
syz_open_procfs$namespace(0xffffffffffffffff, &(0x7f00000000c0)='ns/cgroup\x00')
unshare(0x6020400)
r0 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000040)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x0, 0x7fff8000}]})
close_range(r0, 0xffffffffffffffff, 0x0)
r1 = openat$sndtimer(0xffffffffffffff9c, &(0x7f00000000c0), 0x0)
ioctl$SNDRV_TIMER_IOCTL_SELECT(r1, 0x40345410, &(0x7f0000000300)={{0x1, 0x2}})
ioctl$SNDRV_TIMER_IOCTL_INFO(r1, 0x80e85411, 0x0)
mount$incfs(&(0x7f0000000080)='./file0\x00', &(0x7f0000000140)='./file0\x00', &(0x7f0000000680), 0x2010800, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./file0\x00', 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f00000000c0)='./bus\x00', 0xa5)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)
chdir(&(0x7f00000001c0)='./bus\x00')
rmdir(&(0x7f0000000180)='./file1\x00')
syz_usb_connect(0x2, 0x24, &(0x7f0000000100)=ANY=[@ANYBLOB="1201ffe4d8a7621337baac9254d1dccc869ca6be4040041c150044e20102200109021200015f6550700904d50900ff102ff7"], 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0) (async)

program crashed: general protection fault in current_umask
testing program (duration=37.73853541s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mknod$loop-mount$overlay-unshare-syz_open_procfs$namespace-unshare-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-close_range-openat$sndtimer-ioctl$SNDRV_TIMER_IOCTL_SELECT-ioctl$SNDRV_TIMER_IOCTL_INFO-mount$incfs-mkdirat-mkdirat-mount$incfs-chdir-rmdir-syz_usb_connect
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc8)
mknod$loop(&(0x7f00000000c0)='./bus\x00', 0x6000, 0x1)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000300)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}, {@nfs_export_on}]})
unshare(0x22020400)
syz_open_procfs$namespace(0xffffffffffffffff, &(0x7f00000000c0)='ns/cgroup\x00')
unshare(0x6020400)
r0 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000040)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x0, 0x7fff8000}]})
close_range(r0, 0xffffffffffffffff, 0x0)
r1 = openat$sndtimer(0xffffffffffffff9c, &(0x7f00000000c0), 0x0)
ioctl$SNDRV_TIMER_IOCTL_SELECT(r1, 0x40345410, &(0x7f0000000300)={{0x1, 0x2}})
ioctl$SNDRV_TIMER_IOCTL_INFO(r1, 0x80e85411, 0x0)
mount$incfs(&(0x7f0000000080)='./file0\x00', &(0x7f0000000140)='./file0\x00', &(0x7f0000000680), 0x2010800, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./file0\x00', 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f00000000c0)='./bus\x00', 0xa5)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)
chdir(&(0x7f00000001c0)='./bus\x00')
rmdir(&(0x7f0000000180)='./file1\x00')
syz_usb_connect(0x2, 0x24, &(0x7f0000000100)=ANY=[@ANYBLOB="1201ffe4d8a7621337baac9254d1dccc869ca6be4040041c150044e20102200109021200015f6550700904d50900ff102ff7"], 0x0)

program crashed: general protection fault in current_umask
testing program (duration=37.73853541s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mknod$loop-mount$overlay-unshare-syz_open_procfs$namespace-unshare-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-close_range-openat$sndtimer-ioctl$SNDRV_TIMER_IOCTL_SELECT-ioctl$SNDRV_TIMER_IOCTL_INFO-mount$incfs-mkdirat-mkdirat-mount$incfs-chdir-rmdir
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc8)
mknod$loop(&(0x7f00000000c0)='./bus\x00', 0x6000, 0x1)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000300)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}, {@nfs_export_on}]})
unshare(0x22020400)
syz_open_procfs$namespace(0xffffffffffffffff, &(0x7f00000000c0)='ns/cgroup\x00')
unshare(0x6020400)
r0 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000040)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x0, 0x7fff8000}]})
close_range(r0, 0xffffffffffffffff, 0x0)
r1 = openat$sndtimer(0xffffffffffffff9c, &(0x7f00000000c0), 0x0)
ioctl$SNDRV_TIMER_IOCTL_SELECT(r1, 0x40345410, &(0x7f0000000300)={{0x1, 0x2}})
ioctl$SNDRV_TIMER_IOCTL_INFO(r1, 0x80e85411, 0x0)
mount$incfs(&(0x7f0000000080)='./file0\x00', &(0x7f0000000140)='./file0\x00', &(0x7f0000000680), 0x2010800, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./file0\x00', 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f00000000c0)='./bus\x00', 0xa5)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)
chdir(&(0x7f00000001c0)='./bus\x00')
rmdir(&(0x7f0000000180)='./file1\x00')

program crashed: general protection fault in current_umask
testing program (duration=37.73853541s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mknod$loop-mount$overlay-unshare-syz_open_procfs$namespace-unshare-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-close_range-openat$sndtimer-ioctl$SNDRV_TIMER_IOCTL_SELECT-ioctl$SNDRV_TIMER_IOCTL_INFO-mount$incfs-mkdirat-mkdirat-mount$incfs-chdir
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc8)
mknod$loop(&(0x7f00000000c0)='./bus\x00', 0x6000, 0x1)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000300)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}, {@nfs_export_on}]})
unshare(0x22020400)
syz_open_procfs$namespace(0xffffffffffffffff, &(0x7f00000000c0)='ns/cgroup\x00')
unshare(0x6020400)
r0 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000040)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x0, 0x7fff8000}]})
close_range(r0, 0xffffffffffffffff, 0x0)
r1 = openat$sndtimer(0xffffffffffffff9c, &(0x7f00000000c0), 0x0)
ioctl$SNDRV_TIMER_IOCTL_SELECT(r1, 0x40345410, &(0x7f0000000300)={{0x1, 0x2}})
ioctl$SNDRV_TIMER_IOCTL_INFO(r1, 0x80e85411, 0x0)
mount$incfs(&(0x7f0000000080)='./file0\x00', &(0x7f0000000140)='./file0\x00', &(0x7f0000000680), 0x2010800, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./file0\x00', 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f00000000c0)='./bus\x00', 0xa5)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)
chdir(&(0x7f00000001c0)='./bus\x00')

program crashed: general protection fault in current_umask
testing program (duration=37.73853541s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mknod$loop-mount$overlay-unshare-syz_open_procfs$namespace-unshare-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-close_range-openat$sndtimer-ioctl$SNDRV_TIMER_IOCTL_SELECT-ioctl$SNDRV_TIMER_IOCTL_INFO-mount$incfs-mkdirat-mkdirat-mount$incfs
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc8)
mknod$loop(&(0x7f00000000c0)='./bus\x00', 0x6000, 0x1)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000300)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}, {@nfs_export_on}]})
unshare(0x22020400)
syz_open_procfs$namespace(0xffffffffffffffff, &(0x7f00000000c0)='ns/cgroup\x00')
unshare(0x6020400)
r0 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000040)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x0, 0x7fff8000}]})
close_range(r0, 0xffffffffffffffff, 0x0)
r1 = openat$sndtimer(0xffffffffffffff9c, &(0x7f00000000c0), 0x0)
ioctl$SNDRV_TIMER_IOCTL_SELECT(r1, 0x40345410, &(0x7f0000000300)={{0x1, 0x2}})
ioctl$SNDRV_TIMER_IOCTL_INFO(r1, 0x80e85411, 0x0)
mount$incfs(&(0x7f0000000080)='./file0\x00', &(0x7f0000000140)='./file0\x00', &(0x7f0000000680), 0x2010800, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./file0\x00', 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f00000000c0)='./bus\x00', 0xa5)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)

program crashed: general protection fault in current_umask
testing program (duration=37.73853541s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mknod$loop-mount$overlay-unshare-syz_open_procfs$namespace-unshare-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-close_range-openat$sndtimer-ioctl$SNDRV_TIMER_IOCTL_SELECT-ioctl$SNDRV_TIMER_IOCTL_INFO-mount$incfs-mkdirat-mkdirat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc8)
mknod$loop(&(0x7f00000000c0)='./bus\x00', 0x6000, 0x1)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000300)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}, {@nfs_export_on}]})
unshare(0x22020400)
syz_open_procfs$namespace(0xffffffffffffffff, &(0x7f00000000c0)='ns/cgroup\x00')
unshare(0x6020400)
r0 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000040)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x0, 0x7fff8000}]})
close_range(r0, 0xffffffffffffffff, 0x0)
r1 = openat$sndtimer(0xffffffffffffff9c, &(0x7f00000000c0), 0x0)
ioctl$SNDRV_TIMER_IOCTL_SELECT(r1, 0x40345410, &(0x7f0000000300)={{0x1, 0x2}})
ioctl$SNDRV_TIMER_IOCTL_INFO(r1, 0x80e85411, 0x0)
mount$incfs(&(0x7f0000000080)='./file0\x00', &(0x7f0000000140)='./file0\x00', &(0x7f0000000680), 0x2010800, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./file0\x00', 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f00000000c0)='./bus\x00', 0xa5)

program crashed: WARNING in ovl_dir_modified
testing program (duration=37.73853541s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mknod$loop-mount$overlay-unshare-syz_open_procfs$namespace-unshare-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-close_range-openat$sndtimer-ioctl$SNDRV_TIMER_IOCTL_SELECT-ioctl$SNDRV_TIMER_IOCTL_INFO-mount$incfs-mkdirat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc8)
mknod$loop(&(0x7f00000000c0)='./bus\x00', 0x6000, 0x1)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000300)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}, {@nfs_export_on}]})
unshare(0x22020400)
syz_open_procfs$namespace(0xffffffffffffffff, &(0x7f00000000c0)='ns/cgroup\x00')
unshare(0x6020400)
r0 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000040)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x0, 0x7fff8000}]})
close_range(r0, 0xffffffffffffffff, 0x0)
r1 = openat$sndtimer(0xffffffffffffff9c, &(0x7f00000000c0), 0x0)
ioctl$SNDRV_TIMER_IOCTL_SELECT(r1, 0x40345410, &(0x7f0000000300)={{0x1, 0x2}})
ioctl$SNDRV_TIMER_IOCTL_INFO(r1, 0x80e85411, 0x0)
mount$incfs(&(0x7f0000000080)='./file0\x00', &(0x7f0000000140)='./file0\x00', &(0x7f0000000680), 0x2010800, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./file0\x00', 0x0)

program crashed: WARNING in ovl_dir_modified
testing program (duration=37.73853541s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mknod$loop-mount$overlay-unshare-syz_open_procfs$namespace-unshare-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-close_range-openat$sndtimer-ioctl$SNDRV_TIMER_IOCTL_SELECT-ioctl$SNDRV_TIMER_IOCTL_INFO-mount$incfs
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc8)
mknod$loop(&(0x7f00000000c0)='./bus\x00', 0x6000, 0x1)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000300)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}, {@nfs_export_on}]})
unshare(0x22020400)
syz_open_procfs$namespace(0xffffffffffffffff, &(0x7f00000000c0)='ns/cgroup\x00')
unshare(0x6020400)
r0 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000040)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x0, 0x7fff8000}]})
close_range(r0, 0xffffffffffffffff, 0x0)
r1 = openat$sndtimer(0xffffffffffffff9c, &(0x7f00000000c0), 0x0)
ioctl$SNDRV_TIMER_IOCTL_SELECT(r1, 0x40345410, &(0x7f0000000300)={{0x1, 0x2}})
ioctl$SNDRV_TIMER_IOCTL_INFO(r1, 0x80e85411, 0x0)
mount$incfs(&(0x7f0000000080)='./file0\x00', &(0x7f0000000140)='./file0\x00', &(0x7f0000000680), 0x2010800, 0x0)

program crashed: WARNING in ovl_dir_modified
testing program (duration=37.73853541s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mknod$loop-mount$overlay-unshare-syz_open_procfs$namespace-unshare-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-close_range-openat$sndtimer-ioctl$SNDRV_TIMER_IOCTL_SELECT-ioctl$SNDRV_TIMER_IOCTL_INFO
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc8)
mknod$loop(&(0x7f00000000c0)='./bus\x00', 0x6000, 0x1)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000300)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}, {@nfs_export_on}]})
unshare(0x22020400)
syz_open_procfs$namespace(0xffffffffffffffff, &(0x7f00000000c0)='ns/cgroup\x00')
unshare(0x6020400)
r0 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000040)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x0, 0x7fff8000}]})
close_range(r0, 0xffffffffffffffff, 0x0)
r1 = openat$sndtimer(0xffffffffffffff9c, &(0x7f00000000c0), 0x0)
ioctl$SNDRV_TIMER_IOCTL_SELECT(r1, 0x40345410, &(0x7f0000000300)={{0x1, 0x2}})
ioctl$SNDRV_TIMER_IOCTL_INFO(r1, 0x80e85411, 0x0)

program did not crash
testing program (duration=37.73853541s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mknod$loop-mount$overlay-unshare-syz_open_procfs$namespace-unshare-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-close_range-openat$sndtimer-ioctl$SNDRV_TIMER_IOCTL_SELECT-mount$incfs
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc8)
mknod$loop(&(0x7f00000000c0)='./bus\x00', 0x6000, 0x1)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000300)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}, {@nfs_export_on}]})
unshare(0x22020400)
syz_open_procfs$namespace(0xffffffffffffffff, &(0x7f00000000c0)='ns/cgroup\x00')
unshare(0x6020400)
r0 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000040)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x0, 0x7fff8000}]})
close_range(r0, 0xffffffffffffffff, 0x0)
r1 = openat$sndtimer(0xffffffffffffff9c, &(0x7f00000000c0), 0x0)
ioctl$SNDRV_TIMER_IOCTL_SELECT(r1, 0x40345410, &(0x7f0000000300)={{0x1, 0x2}})
mount$incfs(&(0x7f0000000080)='./file0\x00', &(0x7f0000000140)='./file0\x00', &(0x7f0000000680), 0x2010800, 0x0)

program crashed: WARNING in ovl_dir_modified
testing program (duration=37.73853541s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mknod$loop-mount$overlay-unshare-syz_open_procfs$namespace-unshare-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-close_range-openat$sndtimer-mount$incfs
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc8)
mknod$loop(&(0x7f00000000c0)='./bus\x00', 0x6000, 0x1)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000300)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}, {@nfs_export_on}]})
unshare(0x22020400)
syz_open_procfs$namespace(0xffffffffffffffff, &(0x7f00000000c0)='ns/cgroup\x00')
unshare(0x6020400)
r0 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000040)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x0, 0x7fff8000}]})
close_range(r0, 0xffffffffffffffff, 0x0)
openat$sndtimer(0xffffffffffffff9c, &(0x7f00000000c0), 0x0)
mount$incfs(&(0x7f0000000080)='./file0\x00', &(0x7f0000000140)='./file0\x00', &(0x7f0000000680), 0x2010800, 0x0)

program crashed: WARNING in ovl_dir_modified
testing program (duration=37.73853541s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mknod$loop-mount$overlay-unshare-syz_open_procfs$namespace-unshare-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-close_range-mount$incfs
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc8)
mknod$loop(&(0x7f00000000c0)='./bus\x00', 0x6000, 0x1)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000300)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}, {@nfs_export_on}]})
unshare(0x22020400)
syz_open_procfs$namespace(0xffffffffffffffff, &(0x7f00000000c0)='ns/cgroup\x00')
unshare(0x6020400)
r0 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000040)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x0, 0x7fff8000}]})
close_range(r0, 0xffffffffffffffff, 0x0)
mount$incfs(&(0x7f0000000080)='./file0\x00', &(0x7f0000000140)='./file0\x00', &(0x7f0000000680), 0x2010800, 0x0)

program crashed: WARNING in ovl_dir_modified
testing program (duration=37.73853541s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mknod$loop-mount$overlay-unshare-syz_open_procfs$namespace-unshare-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-mount$incfs
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc8)
mknod$loop(&(0x7f00000000c0)='./bus\x00', 0x6000, 0x1)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000300)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}, {@nfs_export_on}]})
unshare(0x22020400)
syz_open_procfs$namespace(0xffffffffffffffff, &(0x7f00000000c0)='ns/cgroup\x00')
unshare(0x6020400)
seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000040)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x0, 0x7fff8000}]})
mount$incfs(&(0x7f0000000080)='./file0\x00', &(0x7f0000000140)='./file0\x00', &(0x7f0000000680), 0x2010800, 0x0)

program crashed: WARNING in ovl_dir_modified
testing program (duration=37.73853541s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mknod$loop-mount$overlay-unshare-syz_open_procfs$namespace-unshare-mount$incfs
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc8)
mknod$loop(&(0x7f00000000c0)='./bus\x00', 0x6000, 0x1)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000300)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}, {@nfs_export_on}]})
unshare(0x22020400)
syz_open_procfs$namespace(0xffffffffffffffff, &(0x7f00000000c0)='ns/cgroup\x00')
unshare(0x6020400)
mount$incfs(&(0x7f0000000080)='./file0\x00', &(0x7f0000000140)='./file0\x00', &(0x7f0000000680), 0x2010800, 0x0)

program crashed: WARNING in ovl_dir_modified
testing program (duration=37.73853541s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mknod$loop-mount$overlay-unshare-syz_open_procfs$namespace-mount$incfs
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc8)
mknod$loop(&(0x7f00000000c0)='./bus\x00', 0x6000, 0x1)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000300)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}, {@nfs_export_on}]})
unshare(0x22020400)
syz_open_procfs$namespace(0xffffffffffffffff, &(0x7f00000000c0)='ns/cgroup\x00')
mount$incfs(&(0x7f0000000080)='./file0\x00', &(0x7f0000000140)='./file0\x00', &(0x7f0000000680), 0x2010800, 0x0)

program crashed: WARNING in ovl_dir_modified
testing program (duration=37.73853541s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mknod$loop-mount$overlay-unshare-mount$incfs
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc8)
mknod$loop(&(0x7f00000000c0)='./bus\x00', 0x6000, 0x1)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000300)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}, {@nfs_export_on}]})
unshare(0x22020400)
mount$incfs(&(0x7f0000000080)='./file0\x00', &(0x7f0000000140)='./file0\x00', &(0x7f0000000680), 0x2010800, 0x0)

program crashed: WARNING in ovl_dir_modified
testing program (duration=37.73853541s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mknod$loop-mount$overlay-mount$incfs
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc8)
mknod$loop(&(0x7f00000000c0)='./bus\x00', 0x6000, 0x1)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000300)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}, {@nfs_export_on}]})
mount$incfs(&(0x7f0000000080)='./file0\x00', &(0x7f0000000140)='./file0\x00', &(0x7f0000000680), 0x2010800, 0x0)

program crashed: WARNING in ovl_dir_modified
testing program (duration=37.73853541s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mknod$loop-mount$incfs
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc8)
mknod$loop(&(0x7f00000000c0)='./bus\x00', 0x6000, 0x1)
mount$incfs(&(0x7f0000000080)='./file0\x00', &(0x7f0000000140)='./file0\x00', &(0x7f0000000680), 0x2010800, 0x0)

program did not crash
testing program (duration=37.73853541s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mount$overlay-mount$incfs
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc8)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000300)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}, {@nfs_export_on}]})
mount$incfs(&(0x7f0000000080)='./file0\x00', &(0x7f0000000140)='./file0\x00', &(0x7f0000000680), 0x2010800, 0x0)

program crashed: WARNING in ovl_dir_modified
testing program (duration=37.73853541s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB: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-mount$overlay-mount$incfs
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000300)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}, {@nfs_export_on}]})
mount$incfs(&(0x7f0000000080)='./file0\x00', &(0x7f0000000140)='./file0\x00', &(0x7f0000000680), 0x2010800, 0x0)

program did not crash
testing program (duration=37.73853541s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB: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-mount$overlay-mount$incfs
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc8)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000300)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}, {@nfs_export_on}]})
mount$incfs(&(0x7f0000000080)='./file0\x00', &(0x7f0000000140)='./file0\x00', &(0x7f0000000680), 0x2010800, 0x0)

program did not crash
testing program (duration=37.73853541s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mount$overlay-mount$incfs
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, 0x0, 0x1e0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc8)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000300)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}, {@nfs_export_on}]})
mount$incfs(&(0x7f0000000080)='./file0\x00', &(0x7f0000000140)='./file0\x00', &(0x7f0000000680), 0x2010800, 0x0)

program did not crash
testing program (duration=37.73853541s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mount$overlay-mount$incfs
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0)
mkdirat(0xffffffffffffff9c, 0x0, 0xc8)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000300)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}, {@nfs_export_on}]})
mount$incfs(&(0x7f0000000080)='./file0\x00', &(0x7f0000000140)='./file0\x00', &(0x7f0000000680), 0x2010800, 0x0)

program did not crash
testing program (duration=37.73853541s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mount$overlay-mount$incfs
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc8)
mount$overlay(0x0, 0x0, &(0x7f0000000b80), 0x0, &(0x7f0000000300)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}, {@nfs_export_on}]})
mount$incfs(&(0x7f0000000080)='./file0\x00', &(0x7f0000000140)='./file0\x00', &(0x7f0000000680), 0x2010800, 0x0)

program did not crash
testing program (duration=37.73853541s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mount$overlay-mount$incfs
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc8)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', 0x0, 0x0, &(0x7f0000000300)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}, {@nfs_export_on}]})
mount$incfs(&(0x7f0000000080)='./file0\x00', &(0x7f0000000140)='./file0\x00', &(0x7f0000000680), 0x2010800, 0x0)

program did not crash
testing program (duration=37.73853541s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mount$overlay-mount$incfs
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc8)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, 0x0)
mount$incfs(&(0x7f0000000080)='./file0\x00', &(0x7f0000000140)='./file0\x00', &(0x7f0000000680), 0x2010800, 0x0)

program did not crash
testing program (duration=37.73853541s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mount$overlay-mount$incfs
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc8)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000300))
mount$incfs(&(0x7f0000000080)='./file0\x00', &(0x7f0000000140)='./file0\x00', &(0x7f0000000680), 0x2010800, 0x0)

program did not crash
testing program (duration=37.73853541s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mount$overlay-mount$incfs
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc8)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000300)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}, {@nfs_export_on}]})
mount$incfs(0x0, &(0x7f0000000140)='./file0\x00', &(0x7f0000000680), 0x2010800, 0x0)

program did not crash
testing program (duration=37.73853541s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mount$overlay-mount$incfs
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc8)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000300)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}, {@nfs_export_on}]})
mount$incfs(&(0x7f0000000080)='./file0\x00', 0x0, &(0x7f0000000680), 0x2010800, 0x0)

program did not crash
testing program (duration=37.73853541s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mount$overlay-mount$incfs
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc8)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000300)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}, {@nfs_export_on}]})
mount$incfs(&(0x7f0000000080)='./file0\x00', &(0x7f0000000140)='./file0\x00', 0x0, 0x2010800, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=37.73853541s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mount$overlay-mount$incfs
program crashed: WARNING in ovl_dir_modified
simplifying C reproducer
testing compiled C program (duration=37.73853541s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mount$overlay-mount$incfs
program crashed: WARNING in ovl_dir_modified
testing compiled C program (duration=37.73853541s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mount$overlay-mount$incfs
program crashed: WARNING in ovl_dir_modified
testing compiled C program (duration=37.73853541s, {Threaded:false Repeat:false 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-mkdirat-mount$overlay-mount$incfs
program did not crash
testing compiled C program (duration=37.73853541s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mount$overlay-mount$incfs
program crashed: WARNING in ovl_dir_modified
testing compiled C program (duration=37.73853541s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mount$overlay-mount$incfs
program crashed: WARNING in ovl_dir_modified
testing compiled C program (duration=37.73853541s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mount$overlay-mount$incfs
program crashed: WARNING in ovl_dir_modified
testing compiled C program (duration=37.73853541s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mount$overlay-mount$incfs
program crashed: WARNING in ovl_dir_modified
testing compiled C program (duration=37.73853541s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none 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:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mount$overlay-mount$incfs
program crashed: WARNING in ovl_dir_modified
testing compiled C program (duration=37.73853541s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none 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:true UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mount$overlay-mount$incfs
program crashed: WARNING in ovl_dir_modified
testing compiled C program (duration=37.73853541s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none 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:true UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mount$overlay-mount$incfs
program crashed: WARNING in ovl_dir_modified
testing compiled C program (duration=37.73853541s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:true UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mount$overlay-mount$incfs
program crashed: WARNING in ovl_dir_modified
testing compiled C program (duration=37.73853541s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mount$overlay-mount$incfs
program crashed: WARNING in ovl_dir_modified
testing program (duration=37.73853541s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mount$overlay-mount$incfs
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc8)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000300)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}, {@nfs_export_on}]})
mount$incfs(&(0x7f0000000080)='./file0\x00', &(0x7f0000000140)='./file0\x00', &(0x7f0000000680), 0x2010800, 0x0)

program crashed: WARNING in ovl_dir_modified
validation run: crashed=true
testing program (duration=37.73853541s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mount$overlay-mount$incfs
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc8)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000300)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}, {@nfs_export_on}]})
mount$incfs(&(0x7f0000000080)='./file0\x00', &(0x7f0000000140)='./file0\x00', &(0x7f0000000680), 0x2010800, 0x0)

program crashed: WARNING in ovl_dir_modified
validation run: crashed=true
testing program (duration=37.73853541s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mount$overlay-mount$incfs
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./bus\x00', 0x1e0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xc8)
mount$overlay(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000300)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}, {@nfs_export_on}]})
mount$incfs(&(0x7f0000000080)='./file0\x00', &(0x7f0000000140)='./file0\x00', &(0x7f0000000680), 0x2010800, 0x0)

program crashed: WARNING in ovl_dir_modified
validation run: crashed=true
reproducing took 51m22.221291407s
repro crashed as (corrupted=false):
veth0_vlan: entered promiscuous mode
veth1_macvtap: entered promiscuous mode
------------[ cut here ]------------
WARNING: CPU: 0 PID: 372 at fs/overlayfs/util.c:602 ovl_dir_version_inc fs/overlayfs/util.c:602 [inline]
WARNING: CPU: 0 PID: 372 at fs/overlayfs/util.c:602 ovl_dir_modified+0x15a/0x190 fs/overlayfs/util.c:620
Modules linked in:
CPU: 0 UID: 0 PID: 372 Comm: syz-executor Not tainted syzkaller #0 79a81a3ed2cf63e2a306eb4bbf59144c10c9503d
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
RIP: 0010:ovl_dir_version_inc fs/overlayfs/util.c:602 [inline]
RIP: 0010:ovl_dir_modified+0x15a/0x190 fs/overlayfs/util.c:620
Code: c1 e8 03 42 80 3c 28 00 74 08 4c 89 f7 e8 5e 8b 97 ff 49 ff 06 5b 41 5c 41 5d 41 5e 41 5f 5d e9 0c 33 59 03 cc e8 f6 bf 3f ff <0f> 0b e9 3e ff ff ff e8 ea bf 3f ff 0f 0b e9 6e ff ff ff 44 89 f9
RSP: 0018:ffffc90005b4fb48 EFLAGS: 00010293
RAX: ffffffff8247dd1a RBX: 0000000000000000 RCX: ffff8881146d1300
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90005b4fb70 R08: ffff88811e2e445f R09: 1ffff11023c5c88b
R10: dffffc0000000000 R11: ffffed1023c5c88c R12: 0000000000000000
R13: dffffc0000000000 R14: ffff88811e2e43c0 R15: ffff888110d51990
FS:  000055558a4c5500(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055558a4e0908 CR3: 0000000131390000 CR4: 00000000003526b0
Call Trace:
 <TASK>
 ovl_remove_upper fs/overlayfs/dir.c:841 [inline]
 ovl_do_remove+0x81b/0xda0 fs/overlayfs/dir.c:912
 ovl_rmdir+0x1e/0x30 fs/overlayfs/dir.c:945
 vfs_rmdir+0x3e3/0x560 fs/namei.c:4348
 incfs_kill_sb+0x109/0x230 fs/incfs/vfs.c:1968
 deactivate_locked_super+0xd5/0x2a0 fs/super.c:476
 deactivate_super+0xb8/0xe0 fs/super.c:509
 cleanup_mnt+0x406/0x4a0 fs/namespace.c:1380
 __cleanup_mnt+0x1d/0x40 fs/namespace.c:1387
 task_work_run+0x1e5/0x260 kernel/task_work.c:246
 resume_user_mode_work+0x35/0x50 include/linux/resume_user_mode.h:50
 exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0x63/0xb0 kernel/entry/common.c:218
 do_syscall_64+0x63/0xf0 arch/x86/entry/common.c:84
 entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7fbae919c1d7
Code: a2 c7 05 bc c3 24 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007ffd8348be38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007fbae9230b3b RCX: 00007fbae919c1d7
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd8348bef0
RBP: 00007ffd8348bef0 R08: 00007ffd8348cef0 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd8348cf80
R13: 00007fbae9230b3b R14: 00000000000072e2 R15: 00007ffd8348cfc0
 </TASK>
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 372 at fs/overlayfs/util.c:602 ovl_dir_version_inc fs/overlayfs/util.c:602 [inline]
WARNING: CPU: 0 PID: 372 at fs/overlayfs/util.c:602 ovl_dir_modified+0x15a/0x190 fs/overlayfs/util.c:620
Modules linked in:
CPU: 0 UID: 0 PID: 372 Comm: syz-executor Tainted: G        W          syzkaller #0 79a81a3ed2cf63e2a306eb4bbf59144c10c9503d
Tainted: [W]=WARN
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
RIP: 0010:ovl_dir_version_inc fs/overlayfs/util.c:602 [inline]
RIP: 0010:ovl_dir_modified+0x15a/0x190 fs/overlayfs/util.c:620
Code: c1 e8 03 42 80 3c 28 00 74 08 4c 89 f7 e8 5e 8b 97 ff 49 ff 06 5b 41 5c 41 5d 41 5e 41 5f 5d e9 0c 33 59 03 cc e8 f6 bf 3f ff <0f> 0b e9 3e ff ff ff e8 ea bf 3f ff 0f 0b e9 6e ff ff ff 44 89 f9
RSP: 0018:ffffc90005b4fb48 EFLAGS: 00010293
RAX: ffffffff8247dd1a RBX: 0000000000000000 RCX: ffff8881146d1300
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90005b4fb70 R08: ffff88811e2e445f R09: 1ffff11023c5c88b
R10: dffffc0000000000 R11: ffffed1023c5c88c R12: 0000000000000000
R13: dffffc0000000000 R14: ffff88811e2e43c0 R15: ffff888110d51990
FS:  000055558a4c5500(0000) 

final repro crashed as (corrupted=false):
veth0_vlan: entered promiscuous mode
veth1_macvtap: entered promiscuous mode
------------[ cut here ]------------
WARNING: CPU: 0 PID: 372 at fs/overlayfs/util.c:602 ovl_dir_version_inc fs/overlayfs/util.c:602 [inline]
WARNING: CPU: 0 PID: 372 at fs/overlayfs/util.c:602 ovl_dir_modified+0x15a/0x190 fs/overlayfs/util.c:620
Modules linked in:
CPU: 0 UID: 0 PID: 372 Comm: syz-executor Not tainted syzkaller #0 79a81a3ed2cf63e2a306eb4bbf59144c10c9503d
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
RIP: 0010:ovl_dir_version_inc fs/overlayfs/util.c:602 [inline]
RIP: 0010:ovl_dir_modified+0x15a/0x190 fs/overlayfs/util.c:620
Code: c1 e8 03 42 80 3c 28 00 74 08 4c 89 f7 e8 5e 8b 97 ff 49 ff 06 5b 41 5c 41 5d 41 5e 41 5f 5d e9 0c 33 59 03 cc e8 f6 bf 3f ff <0f> 0b e9 3e ff ff ff e8 ea bf 3f ff 0f 0b e9 6e ff ff ff 44 89 f9
RSP: 0018:ffffc90005b4fb48 EFLAGS: 00010293
RAX: ffffffff8247dd1a RBX: 0000000000000000 RCX: ffff8881146d1300
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90005b4fb70 R08: ffff88811e2e445f R09: 1ffff11023c5c88b
R10: dffffc0000000000 R11: ffffed1023c5c88c R12: 0000000000000000
R13: dffffc0000000000 R14: ffff88811e2e43c0 R15: ffff888110d51990
FS:  000055558a4c5500(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055558a4e0908 CR3: 0000000131390000 CR4: 00000000003526b0
Call Trace:
 <TASK>
 ovl_remove_upper fs/overlayfs/dir.c:841 [inline]
 ovl_do_remove+0x81b/0xda0 fs/overlayfs/dir.c:912
 ovl_rmdir+0x1e/0x30 fs/overlayfs/dir.c:945
 vfs_rmdir+0x3e3/0x560 fs/namei.c:4348
 incfs_kill_sb+0x109/0x230 fs/incfs/vfs.c:1968
 deactivate_locked_super+0xd5/0x2a0 fs/super.c:476
 deactivate_super+0xb8/0xe0 fs/super.c:509
 cleanup_mnt+0x406/0x4a0 fs/namespace.c:1380
 __cleanup_mnt+0x1d/0x40 fs/namespace.c:1387
 task_work_run+0x1e5/0x260 kernel/task_work.c:246
 resume_user_mode_work+0x35/0x50 include/linux/resume_user_mode.h:50
 exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0x63/0xb0 kernel/entry/common.c:218
 do_syscall_64+0x63/0xf0 arch/x86/entry/common.c:84
 entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7fbae919c1d7
Code: a2 c7 05 bc c3 24 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007ffd8348be38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007fbae9230b3b RCX: 00007fbae919c1d7
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd8348bef0
RBP: 00007ffd8348bef0 R08: 00007ffd8348cef0 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd8348cf80
R13: 00007fbae9230b3b R14: 00000000000072e2 R15: 00007ffd8348cfc0
 </TASK>
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 372 at fs/overlayfs/util.c:602 ovl_dir_version_inc fs/overlayfs/util.c:602 [inline]
WARNING: CPU: 0 PID: 372 at fs/overlayfs/util.c:602 ovl_dir_modified+0x15a/0x190 fs/overlayfs/util.c:620
Modules linked in:
CPU: 0 UID: 0 PID: 372 Comm: syz-executor Tainted: G        W          syzkaller #0 79a81a3ed2cf63e2a306eb4bbf59144c10c9503d
Tainted: [W]=WARN
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
RIP: 0010:ovl_dir_version_inc fs/overlayfs/util.c:602 [inline]
RIP: 0010:ovl_dir_modified+0x15a/0x190 fs/overlayfs/util.c:620
Code: c1 e8 03 42 80 3c 28 00 74 08 4c 89 f7 e8 5e 8b 97 ff 49 ff 06 5b 41 5c 41 5d 41 5e 41 5f 5d e9 0c 33 59 03 cc e8 f6 bf 3f ff <0f> 0b e9 3e ff ff ff e8 ea bf 3f ff 0f 0b e9 6e ff ff ff 44 89 f9
RSP: 0018:ffffc90005b4fb48 EFLAGS: 00010293
RAX: ffffffff8247dd1a RBX: 0000000000000000 RCX: ffff8881146d1300
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90005b4fb70 R08: ffff88811e2e445f R09: 1ffff11023c5c88b
R10: dffffc0000000000 R11: ffffed1023c5c88c R12: 0000000000000000
R13: dffffc0000000000 R14: ffff88811e2e43c0 R15: ffff888110d51990
FS:  000055558a4c5500(0000)