Extracting prog: 1m18.219446439s
Minimizing prog: 9m29.997557156s
Simplifying prog options: 0s
Extracting C: 22.015555066s
Simplifying C: 12m6.659056267s


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}}): mkdirat-mount$incfs-mount$bind-mount$bind
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000240)='./file0\x00', 0x0)
mount$incfs(&(0x7f0000000140)='./file0\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000040), 0x0, 0x0)
mount$bind(&(0x7f0000000000)='.\x00', &(0x7f0000000200)='./file0/../file0\x00', 0x0, 0x101091, 0x0)
mount$bind(&(0x7f0000000440)='./file0/file0\x00', &(0x7f00000000c0)='./file0/file0\x00', 0x0, 0x8b101a, 0x0)

program crashed: KASAN: null-ptr-deref Write in vfs_rmdir
single: successfully extracted reproducer
found reproducer with 4 syscalls
minimizing guilty program
testing program (duration=33.93777028s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount$incfs-mount$bind
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000240)='./file0\x00', 0x0)
mount$incfs(&(0x7f0000000140)='./file0\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000040), 0x0, 0x0)
mount$bind(&(0x7f0000000000)='.\x00', &(0x7f0000000200)='./file0/../file0\x00', 0x0, 0x101091, 0x0)

program did not crash
testing program (duration=33.93777028s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount$incfs-mount$bind
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000240)='./file0\x00', 0x0)
mount$incfs(&(0x7f0000000140)='./file0\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000040), 0x0, 0x0)
mount$bind(&(0x7f0000000440)='./file0/file0\x00', &(0x7f00000000c0)='./file0/file0\x00', 0x0, 0x8b101a, 0x0)

program did not crash
testing program (duration=33.93777028s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount$bind-mount$bind
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000240)='./file0\x00', 0x0)
mount$bind(&(0x7f0000000000)='.\x00', &(0x7f0000000200)='./file0/../file0\x00', 0x0, 0x101091, 0x0)
mount$bind(&(0x7f0000000440)='./file0/file0\x00', &(0x7f00000000c0)='./file0/file0\x00', 0x0, 0x8b101a, 0x0)

program did not crash
testing program (duration=33.93777028s, {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}}): mount$incfs-mount$bind-mount$bind
detailed listing:
executing program 0:
mount$incfs(&(0x7f0000000140)='./file0\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000040), 0x0, 0x0)
mount$bind(&(0x7f0000000000)='.\x00', &(0x7f0000000200)='./file0/../file0\x00', 0x0, 0x101091, 0x0)
mount$bind(&(0x7f0000000440)='./file0/file0\x00', &(0x7f00000000c0)='./file0/file0\x00', 0x0, 0x8b101a, 0x0)

program did not crash
testing program (duration=33.93777028s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount$incfs-mount$bind-mount$bind
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, 0x0, 0x0)
mount$incfs(&(0x7f0000000140)='./file0\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000040), 0x0, 0x0)
mount$bind(&(0x7f0000000000)='.\x00', &(0x7f0000000200)='./file0/../file0\x00', 0x0, 0x101091, 0x0)
mount$bind(&(0x7f0000000440)='./file0/file0\x00', &(0x7f00000000c0)='./file0/file0\x00', 0x0, 0x8b101a, 0x0)

program did not crash
testing program (duration=33.93777028s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount$incfs-mount$bind-mount$bind
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000240)='./file0\x00', 0x0)
mount$incfs(0x0, &(0x7f0000000100)='./file0\x00', &(0x7f0000000040), 0x0, 0x0)
mount$bind(&(0x7f0000000000)='.\x00', &(0x7f0000000200)='./file0/../file0\x00', 0x0, 0x101091, 0x0)
mount$bind(&(0x7f0000000440)='./file0/file0\x00', &(0x7f00000000c0)='./file0/file0\x00', 0x0, 0x8b101a, 0x0)

program did not crash
testing program (duration=33.93777028s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount$incfs-mount$bind-mount$bind
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000240)='./file0\x00', 0x0)
mount$incfs(&(0x7f0000000140)='./file0\x00', 0x0, &(0x7f0000000040), 0x0, 0x0)
mount$bind(&(0x7f0000000000)='.\x00', &(0x7f0000000200)='./file0/../file0\x00', 0x0, 0x101091, 0x0)
mount$bind(&(0x7f0000000440)='./file0/file0\x00', &(0x7f00000000c0)='./file0/file0\x00', 0x0, 0x8b101a, 0x0)

program did not crash
testing program (duration=33.93777028s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount$incfs-mount$bind-mount$bind
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000240)='./file0\x00', 0x0)
mount$incfs(&(0x7f0000000140)='./file0\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x0, 0x0)
mount$bind(&(0x7f0000000000)='.\x00', &(0x7f0000000200)='./file0/../file0\x00', 0x0, 0x101091, 0x0)
mount$bind(&(0x7f0000000440)='./file0/file0\x00', &(0x7f00000000c0)='./file0/file0\x00', 0x0, 0x8b101a, 0x0)

program did not crash
testing program (duration=33.93777028s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount$incfs-mount$bind-mount$bind
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000240)='./file0\x00', 0x0)
mount$incfs(&(0x7f0000000140)='./file0\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000040), 0x0, 0x0)
mount$bind(0x0, &(0x7f0000000200)='./file0/../file0\x00', 0x0, 0x101091, 0x0)
mount$bind(&(0x7f0000000440)='./file0/file0\x00', &(0x7f00000000c0)='./file0/file0\x00', 0x0, 0x8b101a, 0x0)

program did not crash
testing program (duration=33.93777028s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount$incfs-mount$bind-mount$bind
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000240)='./file0\x00', 0x0)
mount$incfs(&(0x7f0000000140)='./file0\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000040), 0x0, 0x0)
mount$bind(&(0x7f0000000000)='.\x00', 0x0, 0x0, 0x101091, 0x0)
mount$bind(&(0x7f0000000440)='./file0/file0\x00', &(0x7f00000000c0)='./file0/file0\x00', 0x0, 0x8b101a, 0x0)

program did not crash
testing program (duration=33.93777028s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount$incfs-mount$bind-mount$bind
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000240)='./file0\x00', 0x0)
mount$incfs(&(0x7f0000000140)='./file0\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000040), 0x0, 0x0)
mount$bind(&(0x7f0000000000)='.\x00', &(0x7f0000000200)='./file0/../file0\x00', 0x0, 0x101091, 0x0)
mount$bind(0x0, &(0x7f00000000c0)='./file0/file0\x00', 0x0, 0x8b101a, 0x0)

program did not crash
testing program (duration=33.93777028s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount$incfs-mount$bind-mount$bind
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000240)='./file0\x00', 0x0)
mount$incfs(&(0x7f0000000140)='./file0\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000040), 0x0, 0x0)
mount$bind(&(0x7f0000000000)='.\x00', &(0x7f0000000200)='./file0/../file0\x00', 0x0, 0x101091, 0x0)
mount$bind(&(0x7f0000000440)='./file0/file0\x00', 0x0, 0x0, 0x8b101a, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=33.93777028s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount$incfs-mount$bind-mount$bind
program crashed: KASAN: null-ptr-deref Write in vfs_rmdir
simplifying C reproducer
testing compiled C program (duration=33.93777028s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount$incfs-mount$bind-mount$bind
program crashed: KASAN: null-ptr-deref Write in vfs_rmdir
testing compiled C program (duration=33.93777028s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount$incfs-mount$bind-mount$bind
program did not crash
testing compiled C program (duration=33.93777028s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount$incfs-mount$bind-mount$bind
program crashed: KASAN: null-ptr-deref Write in vfs_rmdir
testing compiled C program (duration=33.93777028s, {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}}): mkdirat-mount$incfs-mount$bind-mount$bind
program did not crash
testing compiled C program (duration=33.93777028s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount$incfs-mount$bind-mount$bind
program crashed: KASAN: null-ptr-deref Write in vfs_rmdir
testing compiled C program (duration=33.93777028s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount$incfs-mount$bind-mount$bind
program crashed: KASAN: null-ptr-deref Write in vfs_rmdir
testing compiled C program (duration=33.93777028s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount$incfs-mount$bind-mount$bind
program crashed: KASAN: null-ptr-deref Write in vfs_rmdir
testing compiled C program (duration=33.93777028s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount$incfs-mount$bind-mount$bind
program crashed: KASAN: null-ptr-deref Write in vfs_rmdir
testing compiled C program (duration=33.93777028s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount$incfs-mount$bind-mount$bind
program crashed: KASAN: null-ptr-deref Write in vfs_rmdir
testing compiled C program (duration=33.93777028s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount$incfs-mount$bind-mount$bind
program crashed: KASAN: null-ptr-deref Write in vfs_rmdir
testing compiled C program (duration=33.93777028s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount$incfs-mount$bind-mount$bind
program did not crash
testing compiled C program (duration=33.93777028s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount$incfs-mount$bind-mount$bind
program crashed: KASAN: null-ptr-deref Write in vfs_rmdir
testing compiled C program (duration=33.93777028s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:true UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount$incfs-mount$bind-mount$bind
program crashed: KASAN: null-ptr-deref Write in vfs_rmdir
testing compiled C program (duration=33.93777028s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount$incfs-mount$bind-mount$bind
program crashed: KASAN: null-ptr-deref Write in vfs_rmdir
testing program (duration=33.93777028s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount$incfs-mount$bind-mount$bind
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000240)='./file0\x00', 0x0)
mount$incfs(&(0x7f0000000140)='./file0\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000040), 0x0, 0x0)
mount$bind(&(0x7f0000000000)='.\x00', &(0x7f0000000200)='./file0/../file0\x00', 0x0, 0x101091, 0x0)
mount$bind(&(0x7f0000000440)='./file0/file0\x00', &(0x7f00000000c0)='./file0/file0\x00', 0x0, 0x8b101a, 0x0)

program crashed: KASAN: null-ptr-deref Write in vfs_rmdir
validation run: crashed=true
testing program (duration=33.93777028s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount$incfs-mount$bind-mount$bind
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000240)='./file0\x00', 0x0)
mount$incfs(&(0x7f0000000140)='./file0\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000040), 0x0, 0x0)
mount$bind(&(0x7f0000000000)='.\x00', &(0x7f0000000200)='./file0/../file0\x00', 0x0, 0x101091, 0x0)
mount$bind(&(0x7f0000000440)='./file0/file0\x00', &(0x7f00000000c0)='./file0/file0\x00', 0x0, 0x8b101a, 0x0)

program crashed: KASAN: null-ptr-deref Write in vfs_rmdir
validation run: crashed=true
testing program (duration=33.93777028s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount$incfs-mount$bind-mount$bind
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000240)='./file0\x00', 0x0)
mount$incfs(&(0x7f0000000140)='./file0\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000040), 0x0, 0x0)
mount$bind(&(0x7f0000000000)='.\x00', &(0x7f0000000200)='./file0/../file0\x00', 0x0, 0x101091, 0x0)
mount$bind(&(0x7f0000000440)='./file0/file0\x00', &(0x7f00000000c0)='./file0/file0\x00', 0x0, 0x8b101a, 0x0)

program crashed: KASAN: null-ptr-deref Write in vfs_rmdir
validation run: crashed=true
reproducing took 26m11.702625191s
repro crashed as (corrupted=false):
R13: 00007fe169e0471f R14: 00005555742c94e8 R15: 00007ffd0181dcf0
 </TASK>
---[ end trace 0000000000000000 ]---
==================================================================
BUG: KASAN: null-ptr-deref in instrument_atomic_read_write include/linux/instrumented.h:102 [inline]
BUG: KASAN: null-ptr-deref in atomic_inc_return include/linux/atomic/atomic-instrumented.h:198 [inline]
BUG: KASAN: null-ptr-deref in ihold+0x20/0x60 fs/inode.c:455
Write of size 4 at addr 0000000000000170 by task syz-executor/365

CPU: 1 PID: 365 Comm: syz-executor Tainted: G        W          syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
Call Trace:
 <TASK>
 __dump_stack+0x21/0x24 lib/dump_stack.c:88
 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106
 print_report+0x3d/0x60 mm/kasan/report.c:423
 kasan_report+0x122/0x150 mm/kasan/report.c:524
 check_region_inline mm/kasan/generic.c:-1 [inline]
 kasan_check_range+0x249/0x2a0 mm/kasan/generic.c:189
 __kasan_check_write+0x14/0x20 mm/kasan/shadow.c:37
 instrument_atomic_read_write include/linux/instrumented.h:102 [inline]
 atomic_inc_return include/linux/atomic/atomic-instrumented.h:198 [inline]
 ihold+0x20/0x60 fs/inode.c:455
 d_delete_notify include/linux/fsnotify.h:289 [inline]
 vfs_rmdir+0x25f/0x500 fs/namei.c:4211
 incfs_kill_sb+0x105/0x220 fs/incfs/vfs.c:1995
 deactivate_locked_super+0xb5/0x120 fs/super.c:334
 deactivate_super+0xaf/0xe0 fs/super.c:365
 cleanup_mnt+0x474/0x500 fs/namespace.c:1191
 __cleanup_mnt+0x19/0x20 fs/namespace.c:1198
 task_work_run+0x1e1/0x250 kernel/task_work.c:203
 exit_task_work include/linux/task_work.h:39 [inline]
 do_exit+0xa35/0x2660 kernel/exit.c:886
 do_group_exit+0x210/0x2d0 kernel/exit.c:1028
 __do_sys_exit_group kernel/exit.c:1039 [inline]
 __se_sys_exit_group kernel/exit.c:1037 [inline]
 __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1037
 x64_sys_call+0x7b4/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fe169d9acb9
Code: Unable to access opcode bytes at 0x7fe169d9ac8f.
RSP: 002b:00007ffd0181a878 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007fe169e047c0 RCX: 00007fe169d9acb9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001
RBP: 0000000000000016 R08: 0000000000000000 R09: 00007fe169e0471f
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd0181bb30
R13: 00007fe169e0471f R14: 00005555742c94e8 R15: 00007ffd0181dcf0
 </TASK>
==================================================================
BUG: kernel NULL pointer dereference, address: 0000000000000170
#PF: supervisor write access in kernel mode
#PF: error_code(0x0002) - not-present page
PGD 0 P4D 0 
Oops: 0002 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 365 Comm: syz-executor Tainted: G    B   W          syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:arch_atomic_add_return arch/x86/include/asm/atomic.h:165 [inline]
RIP: 0010:arch_atomic_inc_return include/linux/atomic/atomic-arch-fallback.h:440 [inline]
RIP: 0010:atomic_inc_return include/linux/atomic/atomic-instrumented.h:199 [inline]
RIP: 0010:ihold+0x26/0x60 fs/inode.c:455
Code: 33 36 7c df 55 48 89 e5 41 56 53 48 89 fb e8 61 7d ab ff 48 8d bb 70 01 00 00 be 04 00 00 00 e8 b0 ac f0 ff 41 be 01 00 00 00 <f0> 44 0f c1 b3 70 01 00 00 41 ff c6 bf 02 00 00 00 44 89 f6 e8 51
RSP: 0018:ffffc90000a87af8 EFLAGS: 00010246
RAX: ffff888113a66500 RBX: 0000000000000000 RCX: ffff888113a66540
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000a87b08 R08: ffffffff8796f7e7 R09: 1ffffffff0f2defc
R10: dffffc0000000000 R11: fffffbfff0f2defd R12: ffff88812bfa408c
R13: dffffc0000000000 R14: 0000000000000001 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000170 CR3: 000000010fc85000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 d_delete_notify include/linux/fsnotify.h:289 [inline]
 vfs_rmdir+0x25f/0x500 fs/namei.c:4211
 incfs_kill_sb+0x105/0x220 fs/incfs/vfs.c:1995
 deactivate_locked_super+0xb5/0x120 fs/super.c:334
 deactivate_super+0xaf/0xe0 fs/super.c:365
 cleanup_mnt+0x474/0x500 fs/namespace.c:1191
 __cleanup_mnt+0x19/0x20 fs/namespace.c:1198
 task_work_run+0x1e1/0x250 kernel/task_work.c:203
 exit_task_work include/linux/task_work.h:39 [inline]
 do_exit+0xa35/0x2660 kernel/exit.c:886
 do_group_exit+0x210/0x2d0 kernel/exit.c:1028
 __do_sys_exit_group kernel/exit.c:1039 [inline]
 __se_sys_exit_group kernel/exit.c:1037 [inline]
 __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1037
 x64_sys_call+0x7b4/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fe169d9acb9
Code: Unable to access opcode bytes at 0x7fe169d9ac8f.
RSP: 002b:00007ffd0181a878 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007fe169e047c0 RCX: 00007fe169d9acb9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001
RBP: 0000000000000016 R08: 0000000000000000 R09: 00007fe169e0471f
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd0181bb30
R13: 00007fe169e0471f R14: 00005555742c94e8 R15: 00007ffd0181dcf0
 </TASK>
Modules linked in:
CR2: 0000000000000170
---[ end trace 0000000000000000 ]---
RIP: 0010:arch_atomic_add_return arch/x86/include/asm/atomic.h:165 [inline]
RIP: 0010:arch_atomic_inc_return include/linux/atomic/atomic-arch-fallback.h:440 [inline]
RIP: 0010:atomic_inc_return include/linux/atomic/atomic-instrumented.h:199 [inline]
RIP: 0010:ihold+0x26/0x60 fs/inode.c:455
Code: 33 36 7c df 55 48 89 e5 41 56 53 48 89 fb e8 61 7d ab ff 48 8d bb 70 01 00 00 be 04 00 00 00 e8 b0 ac f0 ff 41 be 01 00 00 00 <f0> 44 0f c1 b3 70 01 00 00 41 ff c6 bf 02 00 00 00 44 89 f6 e8 51
RSP: 0018:ffffc90000a87af8 EFLAGS: 00010246
RAX: ffff888113a66500 RBX: 0000000000000000 RCX: ffff888113a66540
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000a87b08 R08: ffffffff8796f7e7 R09: 1ffffffff0f2defc
R10: dffffc0000000000 R11: fffffbfff0f2defd R12: ffff88812bfa408c
R13: dffffc0000000000 R14: 0000000000000001 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000170 CR3: 000000010fc85000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	33 36                	xor    (%rsi),%esi
   2:	7c df                	jl     0xffffffe3
   4:	55                   	push   %rbp
   5:	48 89 e5             	mov    %rsp,%rbp
   8:	41 56                	push   %r14
   a:	53                   	push   %rbx
   b:	48 89 fb             	mov    %rdi,%rbx
   e:	e8 61 7d ab ff       	call   0xffab7d74
  13:	48 8d bb 70 01 00 00 	lea    0x170(%rbx),%rdi
  1a:	be 04 00 00 00       	mov    $0x4,%esi
  1f:	e8 b0 ac f0 ff       	call   0xfff0acd4
  24:	41 be 01 00 00 00    	mov    $0x1,%r14d
* 2a:	f0 44 0f c1 b3 70 01 	lock xadd %r14d,0x170(%rbx) <-- trapping instruction
  31:	00 00
  33:	41 ff c6             	inc    %r14d
  36:	bf 02 00 00 00       	mov    $0x2,%edi
  3b:	44 89 f6             	mov    %r14d,%esi
  3e:	e8                   	.byte 0xe8
  3f:	51                   	push   %rcx

final repro crashed as (corrupted=false):
R13: 00007fe169e0471f R14: 00005555742c94e8 R15: 00007ffd0181dcf0
 </TASK>
---[ end trace 0000000000000000 ]---
==================================================================
BUG: KASAN: null-ptr-deref in instrument_atomic_read_write include/linux/instrumented.h:102 [inline]
BUG: KASAN: null-ptr-deref in atomic_inc_return include/linux/atomic/atomic-instrumented.h:198 [inline]
BUG: KASAN: null-ptr-deref in ihold+0x20/0x60 fs/inode.c:455
Write of size 4 at addr 0000000000000170 by task syz-executor/365

CPU: 1 PID: 365 Comm: syz-executor Tainted: G        W          syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
Call Trace:
 <TASK>
 __dump_stack+0x21/0x24 lib/dump_stack.c:88
 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106
 print_report+0x3d/0x60 mm/kasan/report.c:423
 kasan_report+0x122/0x150 mm/kasan/report.c:524
 check_region_inline mm/kasan/generic.c:-1 [inline]
 kasan_check_range+0x249/0x2a0 mm/kasan/generic.c:189
 __kasan_check_write+0x14/0x20 mm/kasan/shadow.c:37
 instrument_atomic_read_write include/linux/instrumented.h:102 [inline]
 atomic_inc_return include/linux/atomic/atomic-instrumented.h:198 [inline]
 ihold+0x20/0x60 fs/inode.c:455
 d_delete_notify include/linux/fsnotify.h:289 [inline]
 vfs_rmdir+0x25f/0x500 fs/namei.c:4211
 incfs_kill_sb+0x105/0x220 fs/incfs/vfs.c:1995
 deactivate_locked_super+0xb5/0x120 fs/super.c:334
 deactivate_super+0xaf/0xe0 fs/super.c:365
 cleanup_mnt+0x474/0x500 fs/namespace.c:1191
 __cleanup_mnt+0x19/0x20 fs/namespace.c:1198
 task_work_run+0x1e1/0x250 kernel/task_work.c:203
 exit_task_work include/linux/task_work.h:39 [inline]
 do_exit+0xa35/0x2660 kernel/exit.c:886
 do_group_exit+0x210/0x2d0 kernel/exit.c:1028
 __do_sys_exit_group kernel/exit.c:1039 [inline]
 __se_sys_exit_group kernel/exit.c:1037 [inline]
 __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1037
 x64_sys_call+0x7b4/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fe169d9acb9
Code: Unable to access opcode bytes at 0x7fe169d9ac8f.
RSP: 002b:00007ffd0181a878 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007fe169e047c0 RCX: 00007fe169d9acb9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001
RBP: 0000000000000016 R08: 0000000000000000 R09: 00007fe169e0471f
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd0181bb30
R13: 00007fe169e0471f R14: 00005555742c94e8 R15: 00007ffd0181dcf0
 </TASK>
==================================================================
BUG: kernel NULL pointer dereference, address: 0000000000000170
#PF: supervisor write access in kernel mode
#PF: error_code(0x0002) - not-present page
PGD 0 P4D 0 
Oops: 0002 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 365 Comm: syz-executor Tainted: G    B   W          syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:arch_atomic_add_return arch/x86/include/asm/atomic.h:165 [inline]
RIP: 0010:arch_atomic_inc_return include/linux/atomic/atomic-arch-fallback.h:440 [inline]
RIP: 0010:atomic_inc_return include/linux/atomic/atomic-instrumented.h:199 [inline]
RIP: 0010:ihold+0x26/0x60 fs/inode.c:455
Code: 33 36 7c df 55 48 89 e5 41 56 53 48 89 fb e8 61 7d ab ff 48 8d bb 70 01 00 00 be 04 00 00 00 e8 b0 ac f0 ff 41 be 01 00 00 00 <f0> 44 0f c1 b3 70 01 00 00 41 ff c6 bf 02 00 00 00 44 89 f6 e8 51
RSP: 0018:ffffc90000a87af8 EFLAGS: 00010246
RAX: ffff888113a66500 RBX: 0000000000000000 RCX: ffff888113a66540
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000a87b08 R08: ffffffff8796f7e7 R09: 1ffffffff0f2defc
R10: dffffc0000000000 R11: fffffbfff0f2defd R12: ffff88812bfa408c
R13: dffffc0000000000 R14: 0000000000000001 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000170 CR3: 000000010fc85000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 d_delete_notify include/linux/fsnotify.h:289 [inline]
 vfs_rmdir+0x25f/0x500 fs/namei.c:4211
 incfs_kill_sb+0x105/0x220 fs/incfs/vfs.c:1995
 deactivate_locked_super+0xb5/0x120 fs/super.c:334
 deactivate_super+0xaf/0xe0 fs/super.c:365
 cleanup_mnt+0x474/0x500 fs/namespace.c:1191
 __cleanup_mnt+0x19/0x20 fs/namespace.c:1198
 task_work_run+0x1e1/0x250 kernel/task_work.c:203
 exit_task_work include/linux/task_work.h:39 [inline]
 do_exit+0xa35/0x2660 kernel/exit.c:886
 do_group_exit+0x210/0x2d0 kernel/exit.c:1028
 __do_sys_exit_group kernel/exit.c:1039 [inline]
 __se_sys_exit_group kernel/exit.c:1037 [inline]
 __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1037
 x64_sys_call+0x7b4/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fe169d9acb9
Code: Unable to access opcode bytes at 0x7fe169d9ac8f.
RSP: 002b:00007ffd0181a878 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007fe169e047c0 RCX: 00007fe169d9acb9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001
RBP: 0000000000000016 R08: 0000000000000000 R09: 00007fe169e0471f
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd0181bb30
R13: 00007fe169e0471f R14: 00005555742c94e8 R15: 00007ffd0181dcf0
 </TASK>
Modules linked in:
CR2: 0000000000000170
---[ end trace 0000000000000000 ]---
RIP: 0010:arch_atomic_add_return arch/x86/include/asm/atomic.h:165 [inline]
RIP: 0010:arch_atomic_inc_return include/linux/atomic/atomic-arch-fallback.h:440 [inline]
RIP: 0010:atomic_inc_return include/linux/atomic/atomic-instrumented.h:199 [inline]
RIP: 0010:ihold+0x26/0x60 fs/inode.c:455
Code: 33 36 7c df 55 48 89 e5 41 56 53 48 89 fb e8 61 7d ab ff 48 8d bb 70 01 00 00 be 04 00 00 00 e8 b0 ac f0 ff 41 be 01 00 00 00 <f0> 44 0f c1 b3 70 01 00 00 41 ff c6 bf 02 00 00 00 44 89 f6 e8 51
RSP: 0018:ffffc90000a87af8 EFLAGS: 00010246
RAX: ffff888113a66500 RBX: 0000000000000000 RCX: ffff888113a66540
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000a87b08 R08: ffffffff8796f7e7 R09: 1ffffffff0f2defc
R10: dffffc0000000000 R11: fffffbfff0f2defd R12: ffff88812bfa408c
R13: dffffc0000000000 R14: 0000000000000001 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000170 CR3: 000000010fc85000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	33 36                	xor    (%rsi),%esi
   2:	7c df                	jl     0xffffffe3
   4:	55                   	push   %rbp
   5:	48 89 e5             	mov    %rsp,%rbp
   8:	41 56                	push   %r14
   a:	53                   	push   %rbx
   b:	48 89 fb             	mov    %rdi,%rbx
   e:	e8 61 7d ab ff       	call   0xffab7d74
  13:	48 8d bb 70 01 00 00 	lea    0x170(%rbx),%rdi
  1a:	be 04 00 00 00       	mov    $0x4,%esi
  1f:	e8 b0 ac f0 ff       	call   0xfff0acd4
  24:	41 be 01 00 00 00    	mov    $0x1,%r14d
* 2a:	f0 44 0f c1 b3 70 01 	lock xadd %r14d,0x170(%rbx) <-- trapping instruction
  31:	00 00
  33:	41 ff c6             	inc    %r14d
  36:	bf 02 00 00 00       	mov    $0x2,%edi
  3b:	44 89 f6             	mov    %r14d,%esi
  3e:	e8                   	.byte 0xe8
  3f:	51                   	push   %rcx