Extracting prog: 1m9.045796091s
Minimizing prog: 13m42.979808879s
Simplifying prog options: 0s
Extracting C: 29.073209509s
Simplifying C: 4m47.817628991s
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 23m14.81314233s
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: 373 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:562 [inline]
RIP: 0010:security_inode_getattr+0x47/0x130 security/security.c:1348
Code: 45 ff 4c 8d 73 08 4c 89 f0 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 f7 e8 67 ae 84 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 4a ae 84 ff 4d 8b 36 49 83 c6 0c
RSP: 0018:ffffc90000b57680 EFLAGS: 00010206
RAX: 0000000000000006 RBX: ffffc90000b577a0 RCX: ffff888111e5bb40
RDX: 0000000000000000 RSI: ffffc90000b57890 RDI: ffffc90000b577a0
RBP: ffffc90000b576a8 R08: ffffc90000b577af R09: ffffc90000b577a0
R10: dffffc0000000000 R11: fffff5200016aef6 R12: ffffc90000b577a0
R13: dffffc0000000000 R14: 0000000000000030 R15: ffffc90000b57a60
FS: 0000555585922500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000001000 CR3: 000000012c629000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
vfs_getattr+0x29/0x310 fs/stat.c:157
ovl_getattr+0x445/0xfc0 fs/overlayfs/inode.c:245
vfs_getattr_nosec fs/stat.c:123 [inline]
vfs_getattr+0x279/0x310 fs/stat.c:160
incfs_getattr+0x29e/0x3a0 fs/incfs/vfs.c:1718
vfs_getattr_nosec fs/stat.c:123 [inline]
vfs_getattr fs/stat.c:160 [inline]
vfs_statx+0x390/0xa20 fs/stat.c:225
vfs_fstatat fs/stat.c:243 [inline]
vfs_lstat include/linux/fs.h:3484 [inline]
__do_sys_newlstat fs/stat.c:397 [inline]
__se_sys_newlstat+0x102/0x3c0 fs/stat.c:391
__x64_sys_newlstat+0x5b/0x70 fs/stat.c:391
x64_sys_call+0x290/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:7
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7efd728b3159
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:00007fffb35308d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000006
RAX: ffffffffffffffda RBX: 00007efd72b3afa0 RCX: 00007efd728b3159
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00002000000006c0
RBP: 00007efd7294a03b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007efd72b3afac R14: 00007efd72b3afa0 R15: 00007efd72b3afa0
Modules linked in:
---[ end trace 85072db8426b3d5f ]---
RIP: 0010:d_backing_inode include/linux/dcache.h:562 [inline]
RIP: 0010:security_inode_getattr+0x47/0x130 security/security.c:1348
Code: 45 ff 4c 8d 73 08 4c 89 f0 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 f7 e8 67 ae 84 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 4a ae 84 ff 4d 8b 36 49 83 c6 0c
RSP: 0018:ffffc90000b57680 EFLAGS: 00010206
RAX: 0000000000000006 RBX: ffffc90000b577a0 RCX: ffff888111e5bb40
RDX: 0000000000000000 RSI: ffffc90000b57890 RDI: ffffc90000b577a0
RBP: ffffc90000b576a8 R08: ffffc90000b577af R09: ffffc90000b577a0
R10: dffffc0000000000 R11: fffff5200016aef6 R12: ffffc90000b577a0
R13: dffffc0000000000 R14: 0000000000000030 R15: ffffc90000b57a60
FS: 0000555585922500(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007efd729592db CR3: 000000012c629000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: 45 ff 4c 8d 73 rex.RB decl 0x73(%r13,%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 67 ae 84 ff call 0xff84ae83
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 4a ae 84 ff call 0xff84ae83
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: 373 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:562 [inline]
RIP: 0010:security_inode_getattr+0x47/0x130 security/security.c:1348
Code: 45 ff 4c 8d 73 08 4c 89 f0 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 f7 e8 67 ae 84 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 4a ae 84 ff 4d 8b 36 49 83 c6 0c
RSP: 0018:ffffc90000b57680 EFLAGS: 00010206
RAX: 0000000000000006 RBX: ffffc90000b577a0 RCX: ffff888111e5bb40
RDX: 0000000000000000 RSI: ffffc90000b57890 RDI: ffffc90000b577a0
RBP: ffffc90000b576a8 R08: ffffc90000b577af R09: ffffc90000b577a0
R10: dffffc0000000000 R11: fffff5200016aef6 R12: ffffc90000b577a0
R13: dffffc0000000000 R14: 0000000000000030 R15: ffffc90000b57a60
FS: 0000555585922500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000001000 CR3: 000000012c629000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
vfs_getattr+0x29/0x310 fs/stat.c:157
ovl_getattr+0x445/0xfc0 fs/overlayfs/inode.c:245
vfs_getattr_nosec fs/stat.c:123 [inline]
vfs_getattr+0x279/0x310 fs/stat.c:160
incfs_getattr+0x29e/0x3a0 fs/incfs/vfs.c:1718
vfs_getattr_nosec fs/stat.c:123 [inline]
vfs_getattr fs/stat.c:160 [inline]
vfs_statx+0x390/0xa20 fs/stat.c:225
vfs_fstatat fs/stat.c:243 [inline]
vfs_lstat include/linux/fs.h:3484 [inline]
__do_sys_newlstat fs/stat.c:397 [inline]
__se_sys_newlstat+0x102/0x3c0 fs/stat.c:391
__x64_sys_newlstat+0x5b/0x70 fs/stat.c:391
x64_sys_call+0x290/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:7
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7efd728b3159
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:00007fffb35308d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000006
RAX: ffffffffffffffda RBX: 00007efd72b3afa0 RCX: 00007efd728b3159
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00002000000006c0
RBP: 00007efd7294a03b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007efd72b3afac R14: 00007efd72b3afa0 R15: 00007efd72b3afa0
Modules linked in:
---[ end trace 85072db8426b3d5f ]---
RIP: 0010:d_backing_inode include/linux/dcache.h:562 [inline]
RIP: 0010:security_inode_getattr+0x47/0x130 security/security.c:1348
Code: 45 ff 4c 8d 73 08 4c 89 f0 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 f7 e8 67 ae 84 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 4a ae 84 ff 4d 8b 36 49 83 c6 0c
RSP: 0018:ffffc90000b57680 EFLAGS: 00010206
RAX: 0000000000000006 RBX: ffffc90000b577a0 RCX: ffff888111e5bb40
RDX: 0000000000000000 RSI: ffffc90000b57890 RDI: ffffc90000b577a0
RBP: ffffc90000b576a8 R08: ffffc90000b577af R09: ffffc90000b577a0
R10: dffffc0000000000 R11: fffff5200016aef6 R12: ffffc90000b577a0
R13: dffffc0000000000 R14: 0000000000000030 R15: ffffc90000b57a60
FS: 0000555585922500(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007efd729592db CR3: 000000012c629000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: 45 ff 4c 8d 73 rex.RB decl 0x73(%r13,%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 67 ae 84 ff call 0xff84ae83
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 4a ae 84 ff call 0xff84ae83
39: 4d 8b 36 mov (%r14),%r14
3c: 49 83 c6 0c add $0xc,%r14