Extracting prog: 4m15.464800871s
Minimizing prog: 47m36.252453087s
Simplifying prog options: 0s
Extracting C: 45.278143596s
Simplifying C: 15m15.008788924s


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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-chdir-openat$dir-lseek-getdents
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f00000001c0)='./file2\x00', 0x404, &(0x7f0000000000)={[{@block_validity}]}, 0x1, 0x44e, &(0x7f0000000cc0)="$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")
chdir(&(0x7f0000000240)='./file0\x00')
r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000500)='.\x00', 0x0, 0x0)
lseek(r0, 0xfffffffffffffffc, 0x2)
getdents(r0, 0x0, 0x54)

program did not crash
program did not crash
single: failed to extract reproducer
single: executing 1 programs separately with timeout 6m0s
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-chdir-openat$dir-lseek-getdents
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f00000001c0)='./file2\x00', 0x404, &(0x7f0000000000)={[{@block_validity}]}, 0x1, 0x44e, &(0x7f0000000cc0)="$eJzs3MtvG8UfAPDv2kn76+uXUJVHH0CgRVQ8kiYtpQcOgEDiABISHMrRJGlV6jaoCRKtKigIlSOqxB1xROIv4AQXRDkhIW5wR5UqlEsLJ6O114nt2E7t2nGKPx9p65ndaWa+3h17ZiebAIbWRPpPErEzIn6PiLFKtr7AROXl9vLl2b+XL88mUSq99VdSLndr+fJsteiL2euO7GfGSETusyT2N6l38eKls4Vicf5Clp9aOvf+1OLFS8+eOVc4PX96/vzMiRPHjk4/f3zmuZ7EmcZ1a99HCwf2vvbOtTdmT1579/q3STX+hjh6ZKLdwSdKpR5XN1i7atLJyAAbQkfylW4ao+X+Pxb5WD15Y/HqpwNtHNBXpVKp9EDrw1dKwH9YEoNuATAY1S/6dP5b3TZo6LEp3HypMgFK476dbZUjI5HLyow2zG97aSIiTl7556t0i/7chwAAqPN9Ov55ptn4Lxe194X+n62hjEfEfRGxOyKOR8SeiLg/olz2wYh4qMP6GxdJ1o5/cje6CuwOpeO/F7K1rfrxX3X0F+P5LLerHP9ocupMcf5I5T357VDE1jQ/3aaOH1759YtWx2rHf+mW1l8dC2btuDGytf7/zBWWCncTc62bn0TsG2kWf7KyEpBExN6I2NdlHWee+uZAq2Prx99GD9aZSl9HPFk5/1eiIf6qpP365NT/ojh/ZKp6Vaz18y9X32xVf2fxj95tuGuk53970+t/Jf7xpHa9drHzOq7+8XnLOU231/+W5O26fR8WlpYuTEdsSV6vNLp2/0xDuZnV8mn8hw827/+7Y/Wd2B8R6UX8cEQ8EhGPZm1/LCIej4iDbeL/6eVD73Uff3+l8c91dP5XE1uicU+TxMEo5s/++F1dpeOdxJ+e/2Pl1OFsz518/q3brq6vZgAAALj35CJiZyS5yZV0Ljc5Wfkd/j2xPVdcWFx6+tTCB+fnKs8IjMdornqna6zmfuh0Nq2v5mca8kez+8Zf5reV85OzC8W5QQcPQ25Hi/6f+jM/6NYBfdf9OlrvF6SAjeV5TRhe+j8ML/0fhleT/r9tEO0ANl6z7/+PB9AOYOM19H/LfjBEzP9heOn/MLz0fxhKi9ti/YfkhydxvXBk9yZoxr2QiNymaIZEnxJtPzYW+vX3MAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHrt3wAAAP//9nbnag==")
chdir(&(0x7f0000000240)='./file0\x00')
r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000500)='.\x00', 0x0, 0x0)
lseek(r0, 0xfffffffffffffffc, 0x2)
getdents(r0, 0x0, 0x54)

program crashed: KASAN: slab-out-of-bounds Read in __ext4_check_dir_entry
single: successfully extracted reproducer
found reproducer with 5 syscalls
minimizing guilty program
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-chdir-openat$dir-lseek
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f00000001c0)='./file2\x00', 0x404, &(0x7f0000000000)={[{@block_validity}]}, 0x1, 0x44e, &(0x7f0000000cc0)="$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")
chdir(&(0x7f0000000240)='./file0\x00')
r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000500)='.\x00', 0x0, 0x0)
lseek(r0, 0xfffffffffffffffc, 0x2)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-chdir-openat$dir-getdents
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f00000001c0)='./file2\x00', 0x404, &(0x7f0000000000)={[{@block_validity}]}, 0x1, 0x44e, &(0x7f0000000cc0)="$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")
chdir(&(0x7f0000000240)='./file0\x00')
r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000500)='.\x00', 0x0, 0x0)
getdents(r0, 0x0, 0x54)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-chdir-lseek-getdents
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f00000001c0)='./file2\x00', 0x404, &(0x7f0000000000)={[{@block_validity}]}, 0x1, 0x44e, &(0x7f0000000cc0)="$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")
chdir(&(0x7f0000000240)='./file0\x00')
lseek(0xffffffffffffffff, 0xfffffffffffffffc, 0x2)
getdents(0xffffffffffffffff, 0x0, 0x54)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat$dir-lseek-getdents
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f00000001c0)='./file2\x00', 0x404, &(0x7f0000000000)={[{@block_validity}]}, 0x1, 0x44e, &(0x7f0000000cc0)="$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")
r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000500)='.\x00', 0x0, 0x0)
lseek(r0, 0xfffffffffffffffc, 0x2)
getdents(r0, 0x0, 0x54)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): chdir-openat$dir-lseek-getdents
detailed listing:
executing program 0:
chdir(&(0x7f0000000240)='./file0\x00')
r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000500)='.\x00', 0x0, 0x0)
lseek(r0, 0xfffffffffffffffc, 0x2)
getdents(r0, 0x0, 0x54)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-chdir-openat$dir-lseek-getdents
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f00000001c0)='./file2\x00', 0x404, &(0x7f0000000000)={[{@block_validity}]}, 0x1, 0x44e, &(0x7f0000000cc0)="$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")
chdir(0x0)
r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000500)='.\x00', 0x0, 0x0)
lseek(r0, 0xfffffffffffffffc, 0x2)
getdents(r0, 0x0, 0x54)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-chdir-openat$dir-lseek-getdents
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f00000001c0)='./file2\x00', 0x404, &(0x7f0000000000)={[{@block_validity}]}, 0x1, 0x44e, &(0x7f0000000cc0)="$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")
chdir(&(0x7f0000000240)='./file0\x00')
r0 = openat$dir(0xffffffffffffff9c, 0x0, 0x0, 0x0)
lseek(r0, 0xfffffffffffffffc, 0x2)
getdents(r0, 0x0, 0x54)

program did not crash
extracting C reproducer
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-chdir-openat$dir-lseek-getdents
program crashed: KASAN: slab-out-of-bounds Read in __ext4_check_dir_entry
simplifying C reproducer
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-chdir-openat$dir-lseek-getdents
program crashed: KASAN: slab-out-of-bounds Read in __ext4_check_dir_entry
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-chdir-openat$dir-lseek-getdents
program crashed: KASAN: slab-out-of-bounds Read in __ext4_check_dir_entry
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-chdir-openat$dir-lseek-getdents
program crashed: KASAN: slab-out-of-bounds Read in __ext4_check_dir_entry
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-chdir-openat$dir-lseek-getdents
program crashed: KASAN: slab-out-of-bounds Read in __ext4_check_dir_entry
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-chdir-openat$dir-lseek-getdents
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-chdir-openat$dir-lseek-getdents
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-chdir-openat$dir-lseek-getdents
program crashed: KASAN: slab-out-of-bounds Read in __ext4_check_dir_entry
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-chdir-openat$dir-lseek-getdents
program crashed: KASAN: slab-out-of-bounds Read in __ext4_check_dir_entry
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-chdir-openat$dir-lseek-getdents
program crashed: KASAN: slab-out-of-bounds Read in __ext4_check_dir_entry
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-chdir-openat$dir-lseek-getdents
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f00000001c0)='./file2\x00', 0x404, &(0x7f0000000000)={[{@block_validity}]}, 0x1, 0x44e, &(0x7f0000000cc0)="$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")
chdir(&(0x7f0000000240)='./file0\x00')
r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000500)='.\x00', 0x0, 0x0)
lseek(r0, 0xfffffffffffffffc, 0x2)
getdents(r0, 0x0, 0x54)

program crashed: KASAN: slab-out-of-bounds Read in __ext4_check_dir_entry
validation run: crashed=true
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-chdir-openat$dir-lseek-getdents
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f00000001c0)='./file2\x00', 0x404, &(0x7f0000000000)={[{@block_validity}]}, 0x1, 0x44e, &(0x7f0000000cc0)="$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")
chdir(&(0x7f0000000240)='./file0\x00')
r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000500)='.\x00', 0x0, 0x0)
lseek(r0, 0xfffffffffffffffc, 0x2)
getdents(r0, 0x0, 0x54)

program crashed: KASAN: slab-out-of-bounds Read in __ext4_check_dir_entry
validation run: crashed=true
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-chdir-openat$dir-lseek-getdents
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f00000001c0)='./file2\x00', 0x404, &(0x7f0000000000)={[{@block_validity}]}, 0x1, 0x44e, &(0x7f0000000cc0)="$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")
chdir(&(0x7f0000000240)='./file0\x00')
r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000500)='.\x00', 0x0, 0x0)
lseek(r0, 0xfffffffffffffffc, 0x2)
getdents(r0, 0x0, 0x54)

program crashed: KASAN: slab-out-of-bounds Read in __ext4_check_dir_entry
validation run: crashed=true
reproducing took 1h12m19.834818951s
repro crashed as (corrupted=false):
EXT4-fs (loop0): encrypted files will use data=ordered instead of data journaling mode
EXT4-fs (loop0): revision level too high, forcing read-only mode
EXT4-fs (loop0): orphan cleanup on readonly fs
EXT4-fs (loop0): 1 truncate cleaned up
EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 ro without journal. Quota mode: none.
==================================================================
BUG: KASAN: slab-out-of-bounds in __ext4_check_dir_entry+0x71c/0x8a0 fs/ext4/dir.c:86
Read of size 2 at addr ffff88803f204b3c by task syz.0.17/5881

CPU: 0 UID: 0 PID: 5881 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Call Trace:
 <TASK>
 dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120
 print_address_description+0x55/0x1e0 mm/kasan/report.c:378
 print_report+0x58/0x70 mm/kasan/report.c:482
 kasan_report+0x117/0x150 mm/kasan/report.c:595
 __ext4_check_dir_entry+0x71c/0x8a0 fs/ext4/dir.c:86
 ext4_read_inline_dir+0x779/0xbc0 fs/ext4/inline.c:1493
 ext4_readdir+0x406/0x41c0 fs/ext4/dir.c:163
 iterate_dir+0x2f1/0x4e0 fs/readdir.c:110
 __do_sys_getdents fs/readdir.c:319 [inline]
 __se_sys_getdents+0xf1/0x270 fs/readdir.c:304
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9706abe0d9
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:00007ffe35415898 EFLAGS: 00000246 ORIG_RAX: 000000000000004e
RAX: ffffffffffffffda RBX: 00007f9706d45fa0 RCX: 00007f9706abe0d9
RDX: 0000000000000054 RSI: 0000000000000000 RDI: 0000000000000004
RBP: 00007f9706b55024 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f9706d45fac R14: 00007f9706d45fa0 R15: 00007f9706d45fa0
 </TASK>

Allocated by task 5881:
 kasan_save_stack mm/kasan/common.c:57 [inline]
 kasan_save_track+0x3e/0x80 mm/kasan/common.c:78
 poison_kmalloc_redzone mm/kasan/common.c:398 [inline]
 __kasan_kmalloc+0x93/0xb0 mm/kasan/common.c:415
 kasan_kmalloc include/linux/kasan.h:263 [inline]
 __do_kmalloc_node mm/slub.c:5334 [inline]
 __kmalloc_noprof+0x41a/0x780 mm/slub.c:5359
 _kmalloc_noprof include/linux/slab.h:992 [inline]
 ext4_read_inline_dir+0x2f6/0xbc0 fs/ext4/inline.c:1406
 ext4_readdir+0x406/0x41c0 fs/ext4/dir.c:163
 iterate_dir+0x2f1/0x4e0 fs/readdir.c:110
 __do_sys_getdents fs/readdir.c:319 [inline]
 __se_sys_getdents+0xf1/0x270 fs/readdir.c:304
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

The buggy address belongs to the object at ffff88803f204b00
 which belongs to the cache kmalloc-64 of size 64
The buggy address is located 0 bytes to the right of
 allocated 60-byte region [ffff88803f204b00, ffff88803f204b3c)

The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff88803f204680 pfn:0x3f204
flags: 0x80000000000200(workingset|node=0|zone=1)
page_type: f5(slab)
raw: 0080000000000200 ffff88813ffaf8c0 ffffea0000cfa110 ffffea000111ff10
raw: ffff88803f204680 000000080020001f 00000000f5000000 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0xd2c40(GFP_NOFS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 4959, tgid 4959 (udevd), ts 57816124490, free_ts 57805157857
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x1f9/0x250 mm/page_alloc.c:1859
 prep_new_page mm/page_alloc.c:1867 [inline]
 get_page_from_freelist+0x262a/0x26a0 mm/page_alloc.c:3946
 __alloc_frozen_pages_noprof+0x18d/0x380 mm/page_alloc.c:5304
 alloc_slab_page mm/slub.c:3266 [inline]
 allocate_slab+0x79/0x5e0 mm/slub.c:3380
 new_slab mm/slub.c:3426 [inline]
 refill_objects+0x2d8/0x350 mm/slub.c:7310
 refill_sheaf mm/slub.c:2804 [inline]
 __pcs_replace_empty_main+0x330/0x690 mm/slub.c:4675
 alloc_from_pcs mm/slub.c:4773 [inline]
 slab_alloc_node mm/slub.c:4905 [inline]
 __do_kmalloc_node mm/slub.c:5333 [inline]
 __kmalloc_noprof+0x544/0x780 mm/slub.c:5359
 _kmalloc_noprof include/linux/slab.h:992 [inline]
 _kzalloc_noprof include/linux/slab.h:1309 [inline]
 tomoyo_encode2 security/tomoyo/realpath.c:45 [inline]
 tomoyo_encode+0x2ad/0x570 security/tomoyo/realpath.c:80
 tomoyo_realpath_from_path+0x5fa/0x640 security/tomoyo/realpath.c:283
 tomoyo_get_realpath security/tomoyo/file.c:151 [inline]
 tomoyo_path_perm+0x283/0x560 security/tomoyo/file.c:827
 security_inode_getattr+0x12b/0x310 security/security.c:1895
 vfs_getattr fs/stat.c:259 [inline]
 vfs_fstat fs/stat.c:281 [inline]
 __do_sys_newfstat fs/stat.c:551 [inline]
 __se_sys_newfstat fs/stat.c:546 [inline]
 __x64_sys_newfstat+0x133/0x270 fs/stat.c:546
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
page last free pid 4960 tgid 4960 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 __free_pages_prepare mm/page_alloc.c:1406 [inline]
 __free_frozen_pages+0x10e7/0x11c0 mm/page_alloc.c:2950
 __slab_free+0x252/0x2a0 mm/slub.c:5741
 qlink_free mm/kasan/quarantine.c:163 [inline]
 qlist_free_all+0x99/0x100 mm/kasan/quarantine.c:179
 kasan_quarantine_reduce+0x148/0x160 mm/kasan/quarantine.c:286
 __kasan_slab_alloc+0x22/0x80 mm/kasan/common.c:350
 kasan_slab_alloc include/linux/kasan.h:253 [inline]
 slab_post_alloc_hook mm/slub.c:4584 [inline]
 slab_alloc_node mm/slub.c:4917 [inline]
 kmem_cache_alloc_noprof+0x355/0x650 mm/slub.c:4931
 alloc_filename fs/namei.c:147 [inline]
 do_getname+0x2e/0x250 fs/namei.c:187
 class_filename_flags_constructor include/linux/fs.h:2566 [inline]
 do_sys_openat2+0xcc/0x200 fs/open.c:1367
 do_sys_open fs/open.c:1374 [inline]
 __do_sys_openat fs/open.c:1390 [inline]
 __se_sys_openat fs/open.c:1385 [inline]
 __x64_sys_openat+0x138/0x170 fs/open.c:1385
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Memory state around the buggy address:
 ffff88803f204a00: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
 ffff88803f204a80: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
>ffff88803f204b00: 00 00 00 00 00 00 00 04 fc fc fc fc fc fc fc fc
                                        ^
 ffff88803f204b80: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc
 ffff88803f204c00: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
==================================================================

final repro crashed as (corrupted=false):
EXT4-fs (loop0): encrypted files will use data=ordered instead of data journaling mode
EXT4-fs (loop0): revision level too high, forcing read-only mode
EXT4-fs (loop0): orphan cleanup on readonly fs
EXT4-fs (loop0): 1 truncate cleaned up
EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 ro without journal. Quota mode: none.
==================================================================
BUG: KASAN: slab-out-of-bounds in __ext4_check_dir_entry+0x71c/0x8a0 fs/ext4/dir.c:86
Read of size 2 at addr ffff88803f204b3c by task syz.0.17/5881

CPU: 0 UID: 0 PID: 5881 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Call Trace:
 <TASK>
 dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120
 print_address_description+0x55/0x1e0 mm/kasan/report.c:378
 print_report+0x58/0x70 mm/kasan/report.c:482
 kasan_report+0x117/0x150 mm/kasan/report.c:595
 __ext4_check_dir_entry+0x71c/0x8a0 fs/ext4/dir.c:86
 ext4_read_inline_dir+0x779/0xbc0 fs/ext4/inline.c:1493
 ext4_readdir+0x406/0x41c0 fs/ext4/dir.c:163
 iterate_dir+0x2f1/0x4e0 fs/readdir.c:110
 __do_sys_getdents fs/readdir.c:319 [inline]
 __se_sys_getdents+0xf1/0x270 fs/readdir.c:304
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9706abe0d9
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:00007ffe35415898 EFLAGS: 00000246 ORIG_RAX: 000000000000004e
RAX: ffffffffffffffda RBX: 00007f9706d45fa0 RCX: 00007f9706abe0d9
RDX: 0000000000000054 RSI: 0000000000000000 RDI: 0000000000000004
RBP: 00007f9706b55024 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f9706d45fac R14: 00007f9706d45fa0 R15: 00007f9706d45fa0
 </TASK>

Allocated by task 5881:
 kasan_save_stack mm/kasan/common.c:57 [inline]
 kasan_save_track+0x3e/0x80 mm/kasan/common.c:78
 poison_kmalloc_redzone mm/kasan/common.c:398 [inline]
 __kasan_kmalloc+0x93/0xb0 mm/kasan/common.c:415
 kasan_kmalloc include/linux/kasan.h:263 [inline]
 __do_kmalloc_node mm/slub.c:5334 [inline]
 __kmalloc_noprof+0x41a/0x780 mm/slub.c:5359
 _kmalloc_noprof include/linux/slab.h:992 [inline]
 ext4_read_inline_dir+0x2f6/0xbc0 fs/ext4/inline.c:1406
 ext4_readdir+0x406/0x41c0 fs/ext4/dir.c:163
 iterate_dir+0x2f1/0x4e0 fs/readdir.c:110
 __do_sys_getdents fs/readdir.c:319 [inline]
 __se_sys_getdents+0xf1/0x270 fs/readdir.c:304
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

The buggy address belongs to the object at ffff88803f204b00
 which belongs to the cache kmalloc-64 of size 64
The buggy address is located 0 bytes to the right of
 allocated 60-byte region [ffff88803f204b00, ffff88803f204b3c)

The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff88803f204680 pfn:0x3f204
flags: 0x80000000000200(workingset|node=0|zone=1)
page_type: f5(slab)
raw: 0080000000000200 ffff88813ffaf8c0 ffffea0000cfa110 ffffea000111ff10
raw: ffff88803f204680 000000080020001f 00000000f5000000 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0xd2c40(GFP_NOFS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 4959, tgid 4959 (udevd), ts 57816124490, free_ts 57805157857
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x1f9/0x250 mm/page_alloc.c:1859
 prep_new_page mm/page_alloc.c:1867 [inline]
 get_page_from_freelist+0x262a/0x26a0 mm/page_alloc.c:3946
 __alloc_frozen_pages_noprof+0x18d/0x380 mm/page_alloc.c:5304
 alloc_slab_page mm/slub.c:3266 [inline]
 allocate_slab+0x79/0x5e0 mm/slub.c:3380
 new_slab mm/slub.c:3426 [inline]
 refill_objects+0x2d8/0x350 mm/slub.c:7310
 refill_sheaf mm/slub.c:2804 [inline]
 __pcs_replace_empty_main+0x330/0x690 mm/slub.c:4675
 alloc_from_pcs mm/slub.c:4773 [inline]
 slab_alloc_node mm/slub.c:4905 [inline]
 __do_kmalloc_node mm/slub.c:5333 [inline]
 __kmalloc_noprof+0x544/0x780 mm/slub.c:5359
 _kmalloc_noprof include/linux/slab.h:992 [inline]
 _kzalloc_noprof include/linux/slab.h:1309 [inline]
 tomoyo_encode2 security/tomoyo/realpath.c:45 [inline]
 tomoyo_encode+0x2ad/0x570 security/tomoyo/realpath.c:80
 tomoyo_realpath_from_path+0x5fa/0x640 security/tomoyo/realpath.c:283
 tomoyo_get_realpath security/tomoyo/file.c:151 [inline]
 tomoyo_path_perm+0x283/0x560 security/tomoyo/file.c:827
 security_inode_getattr+0x12b/0x310 security/security.c:1895
 vfs_getattr fs/stat.c:259 [inline]
 vfs_fstat fs/stat.c:281 [inline]
 __do_sys_newfstat fs/stat.c:551 [inline]
 __se_sys_newfstat fs/stat.c:546 [inline]
 __x64_sys_newfstat+0x133/0x270 fs/stat.c:546
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
page last free pid 4960 tgid 4960 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 __free_pages_prepare mm/page_alloc.c:1406 [inline]
 __free_frozen_pages+0x10e7/0x11c0 mm/page_alloc.c:2950
 __slab_free+0x252/0x2a0 mm/slub.c:5741
 qlink_free mm/kasan/quarantine.c:163 [inline]
 qlist_free_all+0x99/0x100 mm/kasan/quarantine.c:179
 kasan_quarantine_reduce+0x148/0x160 mm/kasan/quarantine.c:286
 __kasan_slab_alloc+0x22/0x80 mm/kasan/common.c:350
 kasan_slab_alloc include/linux/kasan.h:253 [inline]
 slab_post_alloc_hook mm/slub.c:4584 [inline]
 slab_alloc_node mm/slub.c:4917 [inline]
 kmem_cache_alloc_noprof+0x355/0x650 mm/slub.c:4931
 alloc_filename fs/namei.c:147 [inline]
 do_getname+0x2e/0x250 fs/namei.c:187
 class_filename_flags_constructor include/linux/fs.h:2566 [inline]
 do_sys_openat2+0xcc/0x200 fs/open.c:1367
 do_sys_open fs/open.c:1374 [inline]
 __do_sys_openat fs/open.c:1390 [inline]
 __se_sys_openat fs/open.c:1385 [inline]
 __x64_sys_openat+0x138/0x170 fs/open.c:1385
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Memory state around the buggy address:
 ffff88803f204a00: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
 ffff88803f204a80: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
>ffff88803f204b00: 00 00 00 00 00 00 00 04 fc fc fc fc fc fc fc fc
                                        ^
 ffff88803f204b80: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc
 ffff88803f204c00: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
==================================================================