Extracting prog: 1m11.488881343s
Minimizing prog: 13m55.712632997s
Simplifying prog options: 0s
Extracting C: 33.817730826s
Simplifying C: 5m4.385290865s


extracting reproducer from 1 programs
testing a last program of every proc
single: executing 1 programs separately with timeout 30s
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-openat-mkdirat-mount$overlay-mount$incfs-linkat-lstat
detailed listing:
executing program 0:
mkdir(&(0x7f0000000300)='./bus\x00', 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000400)='./file1\x00', 0x143142, 0x120)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1d0)
mount$overlay(0x0, &(0x7f0000000100)='./file0\x00', &(0x7f0000000000), 0x8, &(0x7f0000000080)={[{@upperdir={'upperdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@workdir={'workdir', 0x3d, './bus'}}, {@metacopy_on}]})
mount$incfs(&(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140), 0x0, 0x0)
linkat(0xffffffffffffff9c, &(0x7f00000001c0)='./file0/file1\x00', 0xffffffffffffff9c, &(0x7f00000003c0)='./file0/file2\x00', 0x1000)
lstat(&(0x7f00000006c0)='./file0/file2\x00', 0x0)

program crashed: general protection fault in security_inode_getattr
single: successfully extracted reproducer
found reproducer with 7 syscalls
minimizing guilty program
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-openat-mkdirat-mount$overlay-mount$incfs-linkat
detailed listing:
executing program 0:
mkdir(&(0x7f0000000300)='./bus\x00', 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000400)='./file1\x00', 0x143142, 0x120)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1d0)
mount$overlay(0x0, &(0x7f0000000100)='./file0\x00', &(0x7f0000000000), 0x8, &(0x7f0000000080)={[{@upperdir={'upperdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@workdir={'workdir', 0x3d, './bus'}}, {@metacopy_on}]})
mount$incfs(&(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140), 0x0, 0x0)
linkat(0xffffffffffffff9c, &(0x7f00000001c0)='./file0/file1\x00', 0xffffffffffffff9c, &(0x7f00000003c0)='./file0/file2\x00', 0x1000)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-openat-mkdirat-mount$overlay-mount$incfs-lstat
detailed listing:
executing program 0:
mkdir(&(0x7f0000000300)='./bus\x00', 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000400)='./file1\x00', 0x143142, 0x120)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1d0)
mount$overlay(0x0, &(0x7f0000000100)='./file0\x00', &(0x7f0000000000), 0x8, &(0x7f0000000080)={[{@upperdir={'upperdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@workdir={'workdir', 0x3d, './bus'}}, {@metacopy_on}]})
mount$incfs(&(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140), 0x0, 0x0)
lstat(&(0x7f00000006c0)='./file0/file2\x00', 0x0)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-openat-mkdirat-mount$overlay-linkat-lstat
detailed listing:
executing program 0:
mkdir(&(0x7f0000000300)='./bus\x00', 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000400)='./file1\x00', 0x143142, 0x120)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1d0)
mount$overlay(0x0, &(0x7f0000000100)='./file0\x00', &(0x7f0000000000), 0x8, &(0x7f0000000080)={[{@upperdir={'upperdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@workdir={'workdir', 0x3d, './bus'}}, {@metacopy_on}]})
linkat(0xffffffffffffff9c, &(0x7f00000001c0)='./file0/file1\x00', 0xffffffffffffff9c, &(0x7f00000003c0)='./file0/file2\x00', 0x1000)
lstat(&(0x7f00000006c0)='./file0/file2\x00', 0x0)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-openat-mkdirat-mount$incfs-linkat-lstat
detailed listing:
executing program 0:
mkdir(&(0x7f0000000300)='./bus\x00', 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000400)='./file1\x00', 0x143142, 0x120)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1d0)
mount$incfs(&(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140), 0x0, 0x0)
linkat(0xffffffffffffff9c, &(0x7f00000001c0)='./file0/file1\x00', 0xffffffffffffff9c, &(0x7f00000003c0)='./file0/file2\x00', 0x1000)
lstat(&(0x7f00000006c0)='./file0/file2\x00', 0x0)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-openat-mount$overlay-mount$incfs-linkat-lstat
detailed listing:
executing program 0:
mkdir(&(0x7f0000000300)='./bus\x00', 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000400)='./file1\x00', 0x143142, 0x120)
mount$overlay(0x0, &(0x7f0000000100)='./file0\x00', &(0x7f0000000000), 0x8, &(0x7f0000000080)={[{@upperdir={'upperdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@workdir={'workdir', 0x3d, './bus'}}, {@metacopy_on}]})
mount$incfs(&(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140), 0x0, 0x0)
linkat(0xffffffffffffff9c, &(0x7f00000001c0)='./file0/file1\x00', 0xffffffffffffff9c, &(0x7f00000003c0)='./file0/file2\x00', 0x1000)
lstat(&(0x7f00000006c0)='./file0/file2\x00', 0x0)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mkdirat-mount$overlay-mount$incfs-linkat-lstat
detailed listing:
executing program 0:
mkdir(&(0x7f0000000300)='./bus\x00', 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1d0)
mount$overlay(0x0, &(0x7f0000000100)='./file0\x00', &(0x7f0000000000), 0x8, &(0x7f0000000080)={[{@upperdir={'upperdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@workdir={'workdir', 0x3d, './bus'}}, {@metacopy_on}]})
mount$incfs(&(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140), 0x0, 0x0)
linkat(0xffffffffffffff9c, &(0x7f00000001c0)='./file0/file1\x00', 0xffffffffffffff9c, &(0x7f00000003c0)='./file0/file2\x00', 0x1000)
lstat(&(0x7f00000006c0)='./file0/file2\x00', 0x0)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-mkdirat-mount$overlay-mount$incfs-linkat-lstat
detailed listing:
executing program 0:
openat(0xffffffffffffff9c, &(0x7f0000000400)='./file1\x00', 0x143142, 0x120)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1d0)
mount$overlay(0x0, &(0x7f0000000100)='./file0\x00', &(0x7f0000000000), 0x8, &(0x7f0000000080)={[{@upperdir={'upperdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@workdir={'workdir', 0x3d, './bus'}}, {@metacopy_on}]})
mount$incfs(&(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140), 0x0, 0x0)
linkat(0xffffffffffffff9c, &(0x7f00000001c0)='./file0/file1\x00', 0xffffffffffffff9c, &(0x7f00000003c0)='./file0/file2\x00', 0x1000)
lstat(&(0x7f00000006c0)='./file0/file2\x00', 0x0)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-openat-mkdirat-mount$overlay-mount$incfs-linkat-lstat
detailed listing:
executing program 0:
mkdir(0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000400)='./file1\x00', 0x143142, 0x120)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1d0)
mount$overlay(0x0, &(0x7f0000000100)='./file0\x00', &(0x7f0000000000), 0x8, &(0x7f0000000080)={[{@upperdir={'upperdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@workdir={'workdir', 0x3d, './bus'}}, {@metacopy_on}]})
mount$incfs(&(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140), 0x0, 0x0)
linkat(0xffffffffffffff9c, &(0x7f00000001c0)='./file0/file1\x00', 0xffffffffffffff9c, &(0x7f00000003c0)='./file0/file2\x00', 0x1000)
lstat(&(0x7f00000006c0)='./file0/file2\x00', 0x0)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-openat-mkdirat-mount$overlay-mount$incfs-linkat-lstat
detailed listing:
executing program 0:
mkdir(&(0x7f0000000300)='./bus\x00', 0x0)
openat(0xffffffffffffff9c, 0x0, 0x143142, 0x120)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1d0)
mount$overlay(0x0, &(0x7f0000000100)='./file0\x00', &(0x7f0000000000), 0x8, &(0x7f0000000080)={[{@upperdir={'upperdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@workdir={'workdir', 0x3d, './bus'}}, {@metacopy_on}]})
mount$incfs(&(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140), 0x0, 0x0)
linkat(0xffffffffffffff9c, &(0x7f00000001c0)='./file0/file1\x00', 0xffffffffffffff9c, &(0x7f00000003c0)='./file0/file2\x00', 0x1000)
lstat(&(0x7f00000006c0)='./file0/file2\x00', 0x0)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-openat-mkdirat-mount$overlay-mount$incfs-linkat-lstat
detailed listing:
executing program 0:
mkdir(&(0x7f0000000300)='./bus\x00', 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000400)='./file1\x00', 0x143142, 0x120)
mkdirat(0xffffffffffffff9c, 0x0, 0x1d0)
mount$overlay(0x0, &(0x7f0000000100)='./file0\x00', &(0x7f0000000000), 0x8, &(0x7f0000000080)={[{@upperdir={'upperdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@workdir={'workdir', 0x3d, './bus'}}, {@metacopy_on}]})
mount$incfs(&(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140), 0x0, 0x0)
linkat(0xffffffffffffff9c, &(0x7f00000001c0)='./file0/file1\x00', 0xffffffffffffff9c, &(0x7f00000003c0)='./file0/file2\x00', 0x1000)
lstat(&(0x7f00000006c0)='./file0/file2\x00', 0x0)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-openat-mkdirat-mount$overlay-mount$incfs-linkat-lstat
detailed listing:
executing program 0:
mkdir(&(0x7f0000000300)='./bus\x00', 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000400)='./file1\x00', 0x143142, 0x120)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1d0)
mount$overlay(0x0, 0x0, &(0x7f0000000000), 0x8, &(0x7f0000000080)={[{@upperdir={'upperdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@workdir={'workdir', 0x3d, './bus'}}, {@metacopy_on}]})
mount$incfs(&(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140), 0x0, 0x0)
linkat(0xffffffffffffff9c, &(0x7f00000001c0)='./file0/file1\x00', 0xffffffffffffff9c, &(0x7f00000003c0)='./file0/file2\x00', 0x1000)
lstat(&(0x7f00000006c0)='./file0/file2\x00', 0x0)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-openat-mkdirat-mount$overlay-mount$incfs-linkat-lstat
detailed listing:
executing program 0:
mkdir(&(0x7f0000000300)='./bus\x00', 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000400)='./file1\x00', 0x143142, 0x120)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1d0)
mount$overlay(0x0, &(0x7f0000000100)='./file0\x00', 0x0, 0x8, &(0x7f0000000080)={[{@upperdir={'upperdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@workdir={'workdir', 0x3d, './bus'}}, {@metacopy_on}]})
mount$incfs(&(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140), 0x0, 0x0)
linkat(0xffffffffffffff9c, &(0x7f00000001c0)='./file0/file1\x00', 0xffffffffffffff9c, &(0x7f00000003c0)='./file0/file2\x00', 0x1000)
lstat(&(0x7f00000006c0)='./file0/file2\x00', 0x0)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-openat-mkdirat-mount$overlay-mount$incfs-linkat-lstat
detailed listing:
executing program 0:
mkdir(&(0x7f0000000300)='./bus\x00', 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000400)='./file1\x00', 0x143142, 0x120)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1d0)
mount$overlay(0x0, &(0x7f0000000100)='./file0\x00', &(0x7f0000000000), 0x8, 0x0)
mount$incfs(&(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140), 0x0, 0x0)
linkat(0xffffffffffffff9c, &(0x7f00000001c0)='./file0/file1\x00', 0xffffffffffffff9c, &(0x7f00000003c0)='./file0/file2\x00', 0x1000)
lstat(&(0x7f00000006c0)='./file0/file2\x00', 0x0)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-openat-mkdirat-mount$overlay-mount$incfs-linkat-lstat
detailed listing:
executing program 0:
mkdir(&(0x7f0000000300)='./bus\x00', 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000400)='./file1\x00', 0x143142, 0x120)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1d0)
mount$overlay(0x0, &(0x7f0000000100)='./file0\x00', &(0x7f0000000000), 0x8, &(0x7f0000000080))
mount$incfs(&(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140), 0x0, 0x0)
linkat(0xffffffffffffff9c, &(0x7f00000001c0)='./file0/file1\x00', 0xffffffffffffff9c, &(0x7f00000003c0)='./file0/file2\x00', 0x1000)
lstat(&(0x7f00000006c0)='./file0/file2\x00', 0x0)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-openat-mkdirat-mount$overlay-mount$incfs-linkat-lstat
detailed listing:
executing program 0:
mkdir(&(0x7f0000000300)='./bus\x00', 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000400)='./file1\x00', 0x143142, 0x120)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1d0)
mount$overlay(0x0, &(0x7f0000000100)='./file0\x00', &(0x7f0000000000), 0x8, &(0x7f0000000080)={[{@upperdir={'upperdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@workdir={'workdir', 0x3d, './bus'}}, {@metacopy_on}]})
mount$incfs(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f0000000140), 0x0, 0x0)
linkat(0xffffffffffffff9c, &(0x7f00000001c0)='./file0/file1\x00', 0xffffffffffffff9c, &(0x7f00000003c0)='./file0/file2\x00', 0x1000)
lstat(&(0x7f00000006c0)='./file0/file2\x00', 0x0)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-openat-mkdirat-mount$overlay-mount$incfs-linkat-lstat
detailed listing:
executing program 0:
mkdir(&(0x7f0000000300)='./bus\x00', 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000400)='./file1\x00', 0x143142, 0x120)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1d0)
mount$overlay(0x0, &(0x7f0000000100)='./file0\x00', &(0x7f0000000000), 0x8, &(0x7f0000000080)={[{@upperdir={'upperdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@workdir={'workdir', 0x3d, './bus'}}, {@metacopy_on}]})
mount$incfs(&(0x7f0000000080)='./file0\x00', 0x0, &(0x7f0000000140), 0x0, 0x0)
linkat(0xffffffffffffff9c, &(0x7f00000001c0)='./file0/file1\x00', 0xffffffffffffff9c, &(0x7f00000003c0)='./file0/file2\x00', 0x1000)
lstat(&(0x7f00000006c0)='./file0/file2\x00', 0x0)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-openat-mkdirat-mount$overlay-mount$incfs-linkat-lstat
detailed listing:
executing program 0:
mkdir(&(0x7f0000000300)='./bus\x00', 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000400)='./file1\x00', 0x143142, 0x120)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1d0)
mount$overlay(0x0, &(0x7f0000000100)='./file0\x00', &(0x7f0000000000), 0x8, &(0x7f0000000080)={[{@upperdir={'upperdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@workdir={'workdir', 0x3d, './bus'}}, {@metacopy_on}]})
mount$incfs(&(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0)
linkat(0xffffffffffffff9c, &(0x7f00000001c0)='./file0/file1\x00', 0xffffffffffffff9c, &(0x7f00000003c0)='./file0/file2\x00', 0x1000)
lstat(&(0x7f00000006c0)='./file0/file2\x00', 0x0)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-openat-mkdirat-mount$overlay-mount$incfs-linkat-lstat
detailed listing:
executing program 0:
mkdir(&(0x7f0000000300)='./bus\x00', 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000400)='./file1\x00', 0x143142, 0x120)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1d0)
mount$overlay(0x0, &(0x7f0000000100)='./file0\x00', &(0x7f0000000000), 0x8, &(0x7f0000000080)={[{@upperdir={'upperdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@workdir={'workdir', 0x3d, './bus'}}, {@metacopy_on}]})
mount$incfs(&(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140), 0x0, 0x0)
linkat(0xffffffffffffff9c, 0x0, 0xffffffffffffff9c, &(0x7f00000003c0)='./file0/file2\x00', 0x1000)
lstat(&(0x7f00000006c0)='./file0/file2\x00', 0x0)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-openat-mkdirat-mount$overlay-mount$incfs-linkat-lstat
detailed listing:
executing program 0:
mkdir(&(0x7f0000000300)='./bus\x00', 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000400)='./file1\x00', 0x143142, 0x120)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1d0)
mount$overlay(0x0, &(0x7f0000000100)='./file0\x00', &(0x7f0000000000), 0x8, &(0x7f0000000080)={[{@upperdir={'upperdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@workdir={'workdir', 0x3d, './bus'}}, {@metacopy_on}]})
mount$incfs(&(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140), 0x0, 0x0)
linkat(0xffffffffffffff9c, &(0x7f00000001c0)='./file0/file1\x00', 0xffffffffffffff9c, 0x0, 0x1000)
lstat(&(0x7f00000006c0)='./file0/file2\x00', 0x0)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-openat-mkdirat-mount$overlay-mount$incfs-linkat-lstat
detailed listing:
executing program 0:
mkdir(&(0x7f0000000300)='./bus\x00', 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000400)='./file1\x00', 0x143142, 0x120)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1d0)
mount$overlay(0x0, &(0x7f0000000100)='./file0\x00', &(0x7f0000000000), 0x8, &(0x7f0000000080)={[{@upperdir={'upperdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@workdir={'workdir', 0x3d, './bus'}}, {@metacopy_on}]})
mount$incfs(&(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140), 0x0, 0x0)
linkat(0xffffffffffffff9c, &(0x7f00000001c0)='./file0/file1\x00', 0xffffffffffffff9c, &(0x7f00000003c0)='./file0/file2\x00', 0x1000)
lstat(0x0, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-openat-mkdirat-mount$overlay-mount$incfs-linkat-lstat
program crashed: general protection fault in security_inode_getattr
simplifying C reproducer
testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-openat-mkdirat-mount$overlay-mount$incfs-linkat-lstat
program crashed: general protection fault in security_inode_getattr
testing compiled C program (duration=30s, {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}}): mkdir-openat-mkdirat-mount$overlay-mount$incfs-linkat-lstat
program crashed: general protection fault in security_inode_getattr
testing compiled C program (duration=30s, {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}}): mkdir-openat-mkdirat-mount$overlay-mount$incfs-linkat-lstat
program crashed: general protection fault in security_inode_getattr
testing compiled C program (duration=30s, {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:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-openat-mkdirat-mount$overlay-mount$incfs-linkat-lstat
program crashed: general protection fault in security_inode_getattr
testing compiled C program (duration=30s, {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:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-openat-mkdirat-mount$overlay-mount$incfs-linkat-lstat
program crashed: general protection fault in security_inode_getattr
testing compiled C program (duration=30s, {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:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-openat-mkdirat-mount$overlay-mount$incfs-linkat-lstat
program crashed: general protection fault in security_inode_getattr
testing program (duration=30s, {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:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-openat-mkdirat-mount$overlay-mount$incfs-linkat-lstat
detailed listing:
executing program 0:
mkdir(&(0x7f0000000300)='./bus\x00', 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000400)='./file1\x00', 0x143142, 0x120)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1d0)
mount$overlay(0x0, &(0x7f0000000100)='./file0\x00', &(0x7f0000000000), 0x8, &(0x7f0000000080)={[{@upperdir={'upperdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@workdir={'workdir', 0x3d, './bus'}}, {@metacopy_on}]})
mount$incfs(&(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140), 0x0, 0x0)
linkat(0xffffffffffffff9c, &(0x7f00000001c0)='./file0/file1\x00', 0xffffffffffffff9c, &(0x7f00000003c0)='./file0/file2\x00', 0x1000)
lstat(&(0x7f00000006c0)='./file0/file2\x00', 0x0)

program crashed: general protection fault in security_inode_getattr
validation run: crashed=true
testing program (duration=30s, {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:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-openat-mkdirat-mount$overlay-mount$incfs-linkat-lstat
detailed listing:
executing program 0:
mkdir(&(0x7f0000000300)='./bus\x00', 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000400)='./file1\x00', 0x143142, 0x120)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1d0)
mount$overlay(0x0, &(0x7f0000000100)='./file0\x00', &(0x7f0000000000), 0x8, &(0x7f0000000080)={[{@upperdir={'upperdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@workdir={'workdir', 0x3d, './bus'}}, {@metacopy_on}]})
mount$incfs(&(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140), 0x0, 0x0)
linkat(0xffffffffffffff9c, &(0x7f00000001c0)='./file0/file1\x00', 0xffffffffffffff9c, &(0x7f00000003c0)='./file0/file2\x00', 0x1000)
lstat(&(0x7f00000006c0)='./file0/file2\x00', 0x0)

program crashed: general protection fault in security_inode_getattr
validation run: crashed=true
testing program (duration=30s, {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:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-openat-mkdirat-mount$overlay-mount$incfs-linkat-lstat
detailed listing:
executing program 0:
mkdir(&(0x7f0000000300)='./bus\x00', 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000400)='./file1\x00', 0x143142, 0x120)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1d0)
mount$overlay(0x0, &(0x7f0000000100)='./file0\x00', &(0x7f0000000000), 0x8, &(0x7f0000000080)={[{@upperdir={'upperdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@workdir={'workdir', 0x3d, './bus'}}, {@metacopy_on}]})
mount$incfs(&(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000140), 0x0, 0x0)
linkat(0xffffffffffffff9c, &(0x7f00000001c0)='./file0/file1\x00', 0xffffffffffffff9c, &(0x7f00000003c0)='./file0/file2\x00', 0x1000)
lstat(&(0x7f00000006c0)='./file0/file2\x00', 0x0)

program crashed: general protection fault in security_inode_getattr
validation run: crashed=true
reproducing took 23m7.805482909s
repro crashed as (corrupted=false):
general protection fault, probably for non-canonical address 0xdffffc0000000006: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000030-0x0000000000000037]
CPU: 1 PID: 378 Comm: syz.2.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:d_backing_inode include/linux/dcache.h:558 [inline]
RIP: 0010:security_inode_getattr+0x47/0x130 security/security.c:1265
Code: 4c ff 4c 8d 73 08 4c 89 f0 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 f7 e8 37 b6 86 ff 4d 8b 36 49 83 c6 30 4c 89 f0 48 c1 e8 03 <42> 80 3c 28 00 74 08 4c 89 f7 e8 1a b6 86 ff 4d 8b 36 49 83 c6 0c
RSP: 0018:ffffc900021a7610 EFLAGS: 00010206
RAX: 0000000000000006 RBX: ffffc900021a7720 RCX: ffff8881110c62c0
RDX: 0000000000000000 RSI: ffffc900021a7810 RDI: ffffc900021a7720
RBP: ffffc900021a7638 R08: ffffc900021a772f R09: ffffc900021a7720
R10: dffffc0000000000 R11: fffff52000434ee6 R12: ffffc900021a7720
R13: dffffc0000000000 R14: 0000000000000030 R15: ffffc900021a7810
FS:  000055555c132500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000001000 CR3: 000000011119b000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 vfs_getattr+0x25/0x70 fs/stat.c:129
 ovl_getattr+0x367/0xf10 fs/overlayfs/inode.c:245
 vfs_getattr_nosec+0x217/0x6d0 fs/stat.c:95
 vfs_getattr+0x52/0x70 fs/stat.c:132
 incfs_getattr+0x299/0x390 fs/incfs/vfs.c:1702
 vfs_getattr_nosec+0x217/0x6d0 fs/stat.c:95
 vfs_getattr fs/stat.c:132 [inline]
 vfs_statx+0x178/0x530 fs/stat.c:197
 vfs_fstatat fs/stat.c:215 [inline]
 vfs_lstat include/linux/fs.h:3340 [inline]
 __do_sys_newlstat fs/stat.c:369 [inline]
 __se_sys_newlstat+0x102/0x3c0 fs/stat.c:363
 __x64_sys_newlstat+0x5b/0x70 fs/stat.c:363
 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7efeb5d1c159
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fff3265b098 EFLAGS: 00000246 ORIG_RAX: 0000000000000006
RAX: ffffffffffffffda RBX: 00007efeb5fa3fa0 RCX: 00007efeb5d1c159
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00002000000006c0
RBP: 00007efeb5db3024 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007efeb5fa3fac R14: 00007efeb5fa3fa0 R15: 00007efeb5fa3fa0
Modules linked in:
---[ end trace 848a4faca44c1ba5 ]---
RIP: 0010:d_backing_inode include/linux/dcache.h:558 [inline]
RIP: 0010:security_inode_getattr+0x47/0x130 security/security.c:1265
Code: 4c ff 4c 8d 73 08 4c 89 f0 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 f7 e8 37 b6 86 ff 4d 8b 36 49 83 c6 30 4c 89 f0 48 c1 e8 03 <42> 80 3c 28 00 74 08 4c 89 f7 e8 1a b6 86 ff 4d 8b 36 49 83 c6 0c
RSP: 0018:ffffc900021a7610 EFLAGS: 00010206
RAX: 0000000000000006 RBX: ffffc900021a7720 RCX: ffff8881110c62c0
RDX: 0000000000000000 RSI: ffffc900021a7810 RDI: ffffc900021a7720
RBP: ffffc900021a7638 R08: ffffc900021a772f R09: ffffc900021a7720
R10: dffffc0000000000 R11: fffff52000434ee6 R12: ffffc900021a7720
R13: dffffc0000000000 R14: 0000000000000030 R15: ffffc900021a7810
FS:  000055555c132500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000001000 CR3: 000000011119b000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	4c ff 4c 8d 73       	rex.WR decq 0x73(%rbp,%rcx,4)
   5:	08 4c 89 f0          	or     %cl,-0x10(%rcx,%rcx,4)
   9:	48 c1 e8 03          	shr    $0x3,%rax
   d:	42 80 3c 28 00       	cmpb   $0x0,(%rax,%r13,1)
  12:	74 08                	je     0x1c
  14:	4c 89 f7             	mov    %r14,%rdi
  17:	e8 37 b6 86 ff       	call   0xff86b653
  1c:	4d 8b 36             	mov    (%r14),%r14
  1f:	49 83 c6 30          	add    $0x30,%r14
  23:	4c 89 f0             	mov    %r14,%rax
  26:	48 c1 e8 03          	shr    $0x3,%rax
* 2a:	42 80 3c 28 00       	cmpb   $0x0,(%rax,%r13,1) <-- trapping instruction
  2f:	74 08                	je     0x39
  31:	4c 89 f7             	mov    %r14,%rdi
  34:	e8 1a b6 86 ff       	call   0xff86b653
  39:	4d 8b 36             	mov    (%r14),%r14
  3c:	49 83 c6 0c          	add    $0xc,%r14

final repro crashed as (corrupted=false):
general protection fault, probably for non-canonical address 0xdffffc0000000006: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000030-0x0000000000000037]
CPU: 1 PID: 378 Comm: syz.2.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:d_backing_inode include/linux/dcache.h:558 [inline]
RIP: 0010:security_inode_getattr+0x47/0x130 security/security.c:1265
Code: 4c ff 4c 8d 73 08 4c 89 f0 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 f7 e8 37 b6 86 ff 4d 8b 36 49 83 c6 30 4c 89 f0 48 c1 e8 03 <42> 80 3c 28 00 74 08 4c 89 f7 e8 1a b6 86 ff 4d 8b 36 49 83 c6 0c
RSP: 0018:ffffc900021a7610 EFLAGS: 00010206
RAX: 0000000000000006 RBX: ffffc900021a7720 RCX: ffff8881110c62c0
RDX: 0000000000000000 RSI: ffffc900021a7810 RDI: ffffc900021a7720
RBP: ffffc900021a7638 R08: ffffc900021a772f R09: ffffc900021a7720
R10: dffffc0000000000 R11: fffff52000434ee6 R12: ffffc900021a7720
R13: dffffc0000000000 R14: 0000000000000030 R15: ffffc900021a7810
FS:  000055555c132500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000001000 CR3: 000000011119b000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 vfs_getattr+0x25/0x70 fs/stat.c:129
 ovl_getattr+0x367/0xf10 fs/overlayfs/inode.c:245
 vfs_getattr_nosec+0x217/0x6d0 fs/stat.c:95
 vfs_getattr+0x52/0x70 fs/stat.c:132
 incfs_getattr+0x299/0x390 fs/incfs/vfs.c:1702
 vfs_getattr_nosec+0x217/0x6d0 fs/stat.c:95
 vfs_getattr fs/stat.c:132 [inline]
 vfs_statx+0x178/0x530 fs/stat.c:197
 vfs_fstatat fs/stat.c:215 [inline]
 vfs_lstat include/linux/fs.h:3340 [inline]
 __do_sys_newlstat fs/stat.c:369 [inline]
 __se_sys_newlstat+0x102/0x3c0 fs/stat.c:363
 __x64_sys_newlstat+0x5b/0x70 fs/stat.c:363
 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7efeb5d1c159
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fff3265b098 EFLAGS: 00000246 ORIG_RAX: 0000000000000006
RAX: ffffffffffffffda RBX: 00007efeb5fa3fa0 RCX: 00007efeb5d1c159
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00002000000006c0
RBP: 00007efeb5db3024 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007efeb5fa3fac R14: 00007efeb5fa3fa0 R15: 00007efeb5fa3fa0
Modules linked in:
---[ end trace 848a4faca44c1ba5 ]---
RIP: 0010:d_backing_inode include/linux/dcache.h:558 [inline]
RIP: 0010:security_inode_getattr+0x47/0x130 security/security.c:1265
Code: 4c ff 4c 8d 73 08 4c 89 f0 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 f7 e8 37 b6 86 ff 4d 8b 36 49 83 c6 30 4c 89 f0 48 c1 e8 03 <42> 80 3c 28 00 74 08 4c 89 f7 e8 1a b6 86 ff 4d 8b 36 49 83 c6 0c
RSP: 0018:ffffc900021a7610 EFLAGS: 00010206
RAX: 0000000000000006 RBX: ffffc900021a7720 RCX: ffff8881110c62c0
RDX: 0000000000000000 RSI: ffffc900021a7810 RDI: ffffc900021a7720
RBP: ffffc900021a7638 R08: ffffc900021a772f R09: ffffc900021a7720
R10: dffffc0000000000 R11: fffff52000434ee6 R12: ffffc900021a7720
R13: dffffc0000000000 R14: 0000000000000030 R15: ffffc900021a7810
FS:  000055555c132500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000001000 CR3: 000000011119b000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	4c ff 4c 8d 73       	rex.WR decq 0x73(%rbp,%rcx,4)
   5:	08 4c 89 f0          	or     %cl,-0x10(%rcx,%rcx,4)
   9:	48 c1 e8 03          	shr    $0x3,%rax
   d:	42 80 3c 28 00       	cmpb   $0x0,(%rax,%r13,1)
  12:	74 08                	je     0x1c
  14:	4c 89 f7             	mov    %r14,%rdi
  17:	e8 37 b6 86 ff       	call   0xff86b653
  1c:	4d 8b 36             	mov    (%r14),%r14
  1f:	49 83 c6 30          	add    $0x30,%r14
  23:	4c 89 f0             	mov    %r14,%rax
  26:	48 c1 e8 03          	shr    $0x3,%rax
* 2a:	42 80 3c 28 00       	cmpb   $0x0,(%rax,%r13,1) <-- trapping instruction
  2f:	74 08                	je     0x39
  31:	4c 89 f7             	mov    %r14,%rdi
  34:	e8 1a b6 86 ff       	call   0xff86b653
  39:	4d 8b 36             	mov    (%r14),%r14
  3c:	49 83 c6 0c          	add    $0xc,%r14