Extracting prog: 4m2.116263437s
Minimizing prog: 48m34.00967695s
Simplifying prog options: 6m34.151470936s
Extracting C: 35.655083923s
Simplifying C: 0s
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}}): mkdirat-mount-mkdirat-mkdirat-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ed)
mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000280)='./config/nvmet/subsystems/testnqn\x00', 0x1ed)
mkdirat(0xffffffffffffff9c, &(0x7f00000003c0)='./config/nvmet/subsystems/testnqn/namespaces/1\x00', 0x1ed)
r0 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='./config/nvmet/subsystems/testnqn/namespaces/1/buffered_io\x00', 0x2, 0x0)
write(r0, &(0x7f0000000500)='1\x00', 0x1)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000540)='./config/nvmet/subsystems/testnqn/namespaces/1/enable\x00', 0x2, 0x0)
write(r1, &(0x7f0000000580)='1\x00', 0x1)
program did not crash
single: failed to extract reproducer
single: executing 1 programs separately with timeout 1m40s
testing program (duration=1m40s, {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}}): mkdirat-mount-mkdirat-mkdirat-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ed)
mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000280)='./config/nvmet/subsystems/testnqn\x00', 0x1ed)
mkdirat(0xffffffffffffff9c, &(0x7f00000003c0)='./config/nvmet/subsystems/testnqn/namespaces/1\x00', 0x1ed)
r0 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='./config/nvmet/subsystems/testnqn/namespaces/1/buffered_io\x00', 0x2, 0x0)
write(r0, &(0x7f0000000500)='1\x00', 0x1)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000540)='./config/nvmet/subsystems/testnqn/namespaces/1/enable\x00', 0x2, 0x0)
write(r1, &(0x7f0000000580)='1\x00', 0x1)
program crashed: general protection fault in do_getname_kernel
single: successfully extracted reproducer
found reproducer with 8 syscalls
minimizing guilty program
testing program (duration=1m40s, {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}}): mkdirat-mount-mkdirat-mkdirat-openat-write-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ed)
mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000280)='./config/nvmet/subsystems/testnqn\x00', 0x1ed)
mkdirat(0xffffffffffffff9c, &(0x7f00000003c0)='./config/nvmet/subsystems/testnqn/namespaces/1\x00', 0x1ed)
r0 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='./config/nvmet/subsystems/testnqn/namespaces/1/buffered_io\x00', 0x2, 0x0)
write(r0, &(0x7f0000000500)='1\x00', 0x1)
openat(0xffffffffffffff9c, &(0x7f0000000540)='./config/nvmet/subsystems/testnqn/namespaces/1/enable\x00', 0x2, 0x0)
program did not crash
testing program (duration=1m40s, {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}}): mkdirat-mount-mkdirat-mkdirat-openat-write-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ed)
mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000280)='./config/nvmet/subsystems/testnqn\x00', 0x1ed)
mkdirat(0xffffffffffffff9c, &(0x7f00000003c0)='./config/nvmet/subsystems/testnqn/namespaces/1\x00', 0x1ed)
r0 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='./config/nvmet/subsystems/testnqn/namespaces/1/buffered_io\x00', 0x2, 0x0)
write(r0, &(0x7f0000000500)='1\x00', 0x1)
write(0xffffffffffffffff, &(0x7f0000000580)='1\x00', 0x1)
program did not crash
testing program (duration=1m40s, {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}}): mkdirat-mount-mkdirat-mkdirat-openat-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ed)
mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000280)='./config/nvmet/subsystems/testnqn\x00', 0x1ed)
mkdirat(0xffffffffffffff9c, &(0x7f00000003c0)='./config/nvmet/subsystems/testnqn/namespaces/1\x00', 0x1ed)
openat(0xffffffffffffff9c, &(0x7f00000004c0)='./config/nvmet/subsystems/testnqn/namespaces/1/buffered_io\x00', 0x2, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000540)='./config/nvmet/subsystems/testnqn/namespaces/1/enable\x00', 0x2, 0x0)
write(r0, &(0x7f0000000580)='1\x00', 0x1)
program did not crash
testing program (duration=1m40s, {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}}): mkdirat-mount-mkdirat-mkdirat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ed)
mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000280)='./config/nvmet/subsystems/testnqn\x00', 0x1ed)
mkdirat(0xffffffffffffff9c, &(0x7f00000003c0)='./config/nvmet/subsystems/testnqn/namespaces/1\x00', 0x1ed)
write(0xffffffffffffffff, &(0x7f0000000500)='1\x00', 0x1)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000540)='./config/nvmet/subsystems/testnqn/namespaces/1/enable\x00', 0x2, 0x0)
write(r0, &(0x7f0000000580)='1\x00', 0x1)
program did not crash
testing program (duration=1m40s, {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}}): mkdirat-mount-mkdirat-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ed)
mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000280)='./config/nvmet/subsystems/testnqn\x00', 0x1ed)
r0 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='./config/nvmet/subsystems/testnqn/namespaces/1/buffered_io\x00', 0x2, 0x0)
write(r0, &(0x7f0000000500)='1\x00', 0x1)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000540)='./config/nvmet/subsystems/testnqn/namespaces/1/enable\x00', 0x2, 0x0)
write(r1, &(0x7f0000000580)='1\x00', 0x1)
program did not crash
testing program (duration=1m40s, {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}}): mkdirat-mount-mkdirat-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ed)
mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f00000003c0)='./config/nvmet/subsystems/testnqn/namespaces/1\x00', 0x1ed)
r0 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='./config/nvmet/subsystems/testnqn/namespaces/1/buffered_io\x00', 0x2, 0x0)
write(r0, &(0x7f0000000500)='1\x00', 0x1)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000540)='./config/nvmet/subsystems/testnqn/namespaces/1/enable\x00', 0x2, 0x0)
write(r1, &(0x7f0000000580)='1\x00', 0x1)
program did not crash
testing program (duration=1m40s, {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}}): mkdirat-mkdirat-mkdirat-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ed)
mkdirat(0xffffffffffffff9c, &(0x7f0000000280)='./config/nvmet/subsystems/testnqn\x00', 0x1ed)
mkdirat(0xffffffffffffff9c, &(0x7f00000003c0)='./config/nvmet/subsystems/testnqn/namespaces/1\x00', 0x1ed)
r0 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='./config/nvmet/subsystems/testnqn/namespaces/1/buffered_io\x00', 0x2, 0x0)
write(r0, &(0x7f0000000500)='1\x00', 0x1)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000540)='./config/nvmet/subsystems/testnqn/namespaces/1/enable\x00', 0x2, 0x0)
write(r1, &(0x7f0000000580)='1\x00', 0x1)
program did not crash
testing program (duration=1m40s, {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}}): mount-mkdirat-mkdirat-openat-write-openat-write
detailed listing:
executing program 0:
mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000280)='./config/nvmet/subsystems/testnqn\x00', 0x1ed)
mkdirat(0xffffffffffffff9c, &(0x7f00000003c0)='./config/nvmet/subsystems/testnqn/namespaces/1\x00', 0x1ed)
r0 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='./config/nvmet/subsystems/testnqn/namespaces/1/buffered_io\x00', 0x2, 0x0)
write(r0, &(0x7f0000000500)='1\x00', 0x1)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000540)='./config/nvmet/subsystems/testnqn/namespaces/1/enable\x00', 0x2, 0x0)
write(r1, &(0x7f0000000580)='1\x00', 0x1)
program did not crash
testing program (duration=1m40s, {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}}): mkdirat-mount-mkdirat-mkdirat-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, 0x0, 0x1ed)
mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000280)='./config/nvmet/subsystems/testnqn\x00', 0x1ed)
mkdirat(0xffffffffffffff9c, &(0x7f00000003c0)='./config/nvmet/subsystems/testnqn/namespaces/1\x00', 0x1ed)
r0 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='./config/nvmet/subsystems/testnqn/namespaces/1/buffered_io\x00', 0x2, 0x0)
write(r0, &(0x7f0000000500)='1\x00', 0x1)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000540)='./config/nvmet/subsystems/testnqn/namespaces/1/enable\x00', 0x2, 0x0)
write(r1, &(0x7f0000000580)='1\x00', 0x1)
program did not crash
testing program (duration=1m40s, {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}}): mkdirat-mount-mkdirat-mkdirat-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ed)
mount(0x0, 0x0, &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000280)='./config/nvmet/subsystems/testnqn\x00', 0x1ed)
mkdirat(0xffffffffffffff9c, &(0x7f00000003c0)='./config/nvmet/subsystems/testnqn/namespaces/1\x00', 0x1ed)
r0 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='./config/nvmet/subsystems/testnqn/namespaces/1/buffered_io\x00', 0x2, 0x0)
write(r0, &(0x7f0000000500)='1\x00', 0x1)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000540)='./config/nvmet/subsystems/testnqn/namespaces/1/enable\x00', 0x2, 0x0)
write(r1, &(0x7f0000000580)='1\x00', 0x1)
program did not crash
testing program (duration=1m40s, {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}}): mkdirat-mount-mkdirat-mkdirat-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ed)
mount(0x0, &(0x7f0000000000)='./config\x00', 0x0, 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000280)='./config/nvmet/subsystems/testnqn\x00', 0x1ed)
mkdirat(0xffffffffffffff9c, &(0x7f00000003c0)='./config/nvmet/subsystems/testnqn/namespaces/1\x00', 0x1ed)
r0 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='./config/nvmet/subsystems/testnqn/namespaces/1/buffered_io\x00', 0x2, 0x0)
write(r0, &(0x7f0000000500)='1\x00', 0x1)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000540)='./config/nvmet/subsystems/testnqn/namespaces/1/enable\x00', 0x2, 0x0)
write(r1, &(0x7f0000000580)='1\x00', 0x1)
program did not crash
testing program (duration=1m40s, {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}}): mkdirat-mount-mkdirat-mkdirat-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ed)
mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, 0x0, 0x1ed)
mkdirat(0xffffffffffffff9c, &(0x7f00000003c0)='./config/nvmet/subsystems/testnqn/namespaces/1\x00', 0x1ed)
r0 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='./config/nvmet/subsystems/testnqn/namespaces/1/buffered_io\x00', 0x2, 0x0)
write(r0, &(0x7f0000000500)='1\x00', 0x1)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000540)='./config/nvmet/subsystems/testnqn/namespaces/1/enable\x00', 0x2, 0x0)
write(r1, &(0x7f0000000580)='1\x00', 0x1)
program did not crash
testing program (duration=1m40s, {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}}): mkdirat-mount-mkdirat-mkdirat-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ed)
mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000280)='./config/nvmet/subsystems/testnqn\x00', 0x1ed)
mkdirat(0xffffffffffffff9c, 0x0, 0x1ed)
r0 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='./config/nvmet/subsystems/testnqn/namespaces/1/buffered_io\x00', 0x2, 0x0)
write(r0, &(0x7f0000000500)='1\x00', 0x1)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000540)='./config/nvmet/subsystems/testnqn/namespaces/1/enable\x00', 0x2, 0x0)
write(r1, &(0x7f0000000580)='1\x00', 0x1)
program did not crash
testing program (duration=1m40s, {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}}): mkdirat-mount-mkdirat-mkdirat-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ed)
mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000280)='./config/nvmet/subsystems/testnqn\x00', 0x1ed)
mkdirat(0xffffffffffffff9c, &(0x7f00000003c0)='./config/nvmet/subsystems/testnqn/namespaces/1\x00', 0x1ed)
r0 = openat(0xffffffffffffff9c, 0x0, 0x2, 0x0)
write(r0, &(0x7f0000000500)='1\x00', 0x1)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000540)='./config/nvmet/subsystems/testnqn/namespaces/1/enable\x00', 0x2, 0x0)
write(r1, &(0x7f0000000580)='1\x00', 0x1)
program did not crash
testing program (duration=1m40s, {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}}): mkdirat-mount-mkdirat-mkdirat-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ed)
mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000280)='./config/nvmet/subsystems/testnqn\x00', 0x1ed)
mkdirat(0xffffffffffffff9c, &(0x7f00000003c0)='./config/nvmet/subsystems/testnqn/namespaces/1\x00', 0x1ed)
r0 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='./config/nvmet/subsystems/testnqn/namespaces/1/buffered_io\x00', 0x2, 0x0)
write(r0, 0x0, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000540)='./config/nvmet/subsystems/testnqn/namespaces/1/enable\x00', 0x2, 0x0)
write(r1, &(0x7f0000000580)='1\x00', 0x1)
program did not crash
testing program (duration=1m40s, {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}}): mkdirat-mount-mkdirat-mkdirat-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ed)
mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000280)='./config/nvmet/subsystems/testnqn\x00', 0x1ed)
mkdirat(0xffffffffffffff9c, &(0x7f00000003c0)='./config/nvmet/subsystems/testnqn/namespaces/1\x00', 0x1ed)
r0 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='./config/nvmet/subsystems/testnqn/namespaces/1/buffered_io\x00', 0x2, 0x0)
write(r0, &(0x7f0000000500), 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000540)='./config/nvmet/subsystems/testnqn/namespaces/1/enable\x00', 0x2, 0x0)
write(r1, &(0x7f0000000580)='1\x00', 0x1)
program did not crash
testing program (duration=1m40s, {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}}): mkdirat-mount-mkdirat-mkdirat-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ed)
mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000280)='./config/nvmet/subsystems/testnqn\x00', 0x1ed)
mkdirat(0xffffffffffffff9c, &(0x7f00000003c0)='./config/nvmet/subsystems/testnqn/namespaces/1\x00', 0x1ed)
r0 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='./config/nvmet/subsystems/testnqn/namespaces/1/buffered_io\x00', 0x2, 0x0)
write(r0, &(0x7f0000000500)='1\x00', 0x1)
r1 = openat(0xffffffffffffff9c, 0x0, 0x2, 0x0)
write(r1, &(0x7f0000000580)='1\x00', 0x1)
program did not crash
testing program (duration=1m40s, {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}}): mkdirat-mount-mkdirat-mkdirat-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ed)
mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000280)='./config/nvmet/subsystems/testnqn\x00', 0x1ed)
mkdirat(0xffffffffffffff9c, &(0x7f00000003c0)='./config/nvmet/subsystems/testnqn/namespaces/1\x00', 0x1ed)
r0 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='./config/nvmet/subsystems/testnqn/namespaces/1/buffered_io\x00', 0x2, 0x0)
write(r0, &(0x7f0000000500)='1\x00', 0x1)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000540)='./config/nvmet/subsystems/testnqn/namespaces/1/enable\x00', 0x2, 0x0)
write(r1, 0x0, 0x0)
program did not crash
testing program (duration=1m40s, {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}}): mkdirat-mount-mkdirat-mkdirat-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ed)
mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000280)='./config/nvmet/subsystems/testnqn\x00', 0x1ed)
mkdirat(0xffffffffffffff9c, &(0x7f00000003c0)='./config/nvmet/subsystems/testnqn/namespaces/1\x00', 0x1ed)
r0 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='./config/nvmet/subsystems/testnqn/namespaces/1/buffered_io\x00', 0x2, 0x0)
write(r0, &(0x7f0000000500)='1\x00', 0x1)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000540)='./config/nvmet/subsystems/testnqn/namespaces/1/enable\x00', 0x2, 0x0)
write(r1, &(0x7f0000000580), 0x0)
program did not crash
extracting C reproducer
testing compiled C program (duration=1m40s, {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}}): mkdirat-mount-mkdirat-mkdirat-openat-write-openat-write
program did not crash
simplifying guilty program options
testing program (duration=1m40s, {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}}): mkdirat-mount-mkdirat-mkdirat-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ed)
mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000280)='./config/nvmet/subsystems/testnqn\x00', 0x1ed)
mkdirat(0xffffffffffffff9c, &(0x7f00000003c0)='./config/nvmet/subsystems/testnqn/namespaces/1\x00', 0x1ed)
r0 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='./config/nvmet/subsystems/testnqn/namespaces/1/buffered_io\x00', 0x2, 0x0)
write(r0, &(0x7f0000000500)='1\x00', 0x1)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000540)='./config/nvmet/subsystems/testnqn/namespaces/1/enable\x00', 0x2, 0x0)
write(r1, &(0x7f0000000580)='1\x00', 0x1)
program crashed: general protection fault in do_getname_kernel
extracting C reproducer
testing compiled C program (duration=1m40s, {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}}): mkdirat-mount-mkdirat-mkdirat-openat-write-openat-write
program did not crash
testing program (duration=1m40s, {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}}): mkdirat-mount-mkdirat-mkdirat-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ed)
mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000280)='./config/nvmet/subsystems/testnqn\x00', 0x1ed)
mkdirat(0xffffffffffffff9c, &(0x7f00000003c0)='./config/nvmet/subsystems/testnqn/namespaces/1\x00', 0x1ed)
r0 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='./config/nvmet/subsystems/testnqn/namespaces/1/buffered_io\x00', 0x2, 0x0)
write(r0, &(0x7f0000000500)='1\x00', 0x1)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000540)='./config/nvmet/subsystems/testnqn/namespaces/1/enable\x00', 0x2, 0x0)
write(r1, &(0x7f0000000580)='1\x00', 0x1)
program crashed: general protection fault in do_getname_kernel
extracting C reproducer
testing compiled C program (duration=1m40s, {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}}): mkdirat-mount-mkdirat-mkdirat-openat-write-openat-write
program did not crash
testing program (duration=1m40s, {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}}): mkdirat-mount-mkdirat-mkdirat-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ed)
mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000280)='./config/nvmet/subsystems/testnqn\x00', 0x1ed)
mkdirat(0xffffffffffffff9c, &(0x7f00000003c0)='./config/nvmet/subsystems/testnqn/namespaces/1\x00', 0x1ed)
r0 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='./config/nvmet/subsystems/testnqn/namespaces/1/buffered_io\x00', 0x2, 0x0)
write(r0, &(0x7f0000000500)='1\x00', 0x1)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000540)='./config/nvmet/subsystems/testnqn/namespaces/1/enable\x00', 0x2, 0x0)
write(r1, &(0x7f0000000580)='1\x00', 0x1)
program crashed: general protection fault in do_getname_kernel
validation run: crashed=true
testing program (duration=1m40s, {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}}): mkdirat-mount-mkdirat-mkdirat-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ed)
mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000280)='./config/nvmet/subsystems/testnqn\x00', 0x1ed)
mkdirat(0xffffffffffffff9c, &(0x7f00000003c0)='./config/nvmet/subsystems/testnqn/namespaces/1\x00', 0x1ed)
r0 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='./config/nvmet/subsystems/testnqn/namespaces/1/buffered_io\x00', 0x2, 0x0)
write(r0, &(0x7f0000000500)='1\x00', 0x1)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000540)='./config/nvmet/subsystems/testnqn/namespaces/1/enable\x00', 0x2, 0x0)
write(r1, &(0x7f0000000580)='1\x00', 0x1)
program crashed: general protection fault in do_getname_kernel
validation run: crashed=true
testing program (duration=1m40s, {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}}): mkdirat-mount-mkdirat-mkdirat-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ed)
mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000280)='./config/nvmet/subsystems/testnqn\x00', 0x1ed)
mkdirat(0xffffffffffffff9c, &(0x7f00000003c0)='./config/nvmet/subsystems/testnqn/namespaces/1\x00', 0x1ed)
r0 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='./config/nvmet/subsystems/testnqn/namespaces/1/buffered_io\x00', 0x2, 0x0)
write(r0, &(0x7f0000000500)='1\x00', 0x1)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000540)='./config/nvmet/subsystems/testnqn/namespaces/1/enable\x00', 0x2, 0x0)
write(r1, &(0x7f0000000580)='1\x00', 0x1)
program crashed: general protection fault in do_getname_kernel
validation run: crashed=true
reproducing took 1h7m11.977862197s
repro crashed as (corrupted=false):
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] SMP KASAN PTI
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 0 UID: 0 PID: 5880 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
RIP: 0010:strlen+0x29/0x70 lib/string.c:402
Code: 90 f3 0f 1e fa 41 57 41 56 41 54 53 48 c7 c0 ff ff ff ff 49 be 00 00 00 00 00 fc ff df 48 89 fb 49 89 c7 48 89 d8 48 c1 e8 03 <42> 0f b6 04 30 84 c0 75 11 48 ff c3 49 8d 47 01 42 80 7c 3f 01 00
RSP: 0018:ffffc90003ae7978 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff88803199be00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90003ae7ab8 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: fffffbfff1f60707 R12: 1ffff9200075cf40
R13: dffffc0000000000 R14: dffffc0000000000 R15: ffffffffffffffff
FS: 000055555d505500(0000) GS:ffff888125c22000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055b212f8bb40 CR3: 0000000045b18000 CR4: 00000000003526f0
Call Trace:
__fortify_strlen include/linux/fortify-string.h:218 [inline]
do_getname_kernel+0x1d/0x230 fs/namei.c:260
class_filename_kernel_constructor include/linux/fs.h:2571 [inline]
filp_open+0x87/0x1d0 fs/open.c:1391
nvmet_file_ns_enable+0x74/0x360 drivers/nvme/target/io-cmd-file.c:41
nvmet_ns_enable+0xaa/0x780 drivers/nvme/target/core.c:596
nvmet_ns_enable_store+0xd7/0x170 drivers/nvme/target/configfs.c:735
flush_write_buffer fs/configfs/file.c:207 [inline]
configfs_write_iter+0x33a/0x430 fs/configfs/file.c:229
new_sync_write fs/read_write.c:595 [inline]
vfs_write+0x61e/0xbb0 fs/read_write.c:687
ksys_write+0x156/0x270 fs/read_write.c:739
do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc8d6a1e0d9
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:00007fff93d9edb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fc8d6ca5fa0 RCX: 00007fc8d6a1e0d9
RDX: 0000000000000001 RSI: 0000200000000580 RDI: 0000000000000004
RBP: 00007fc8d6ab5024 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fc8d6ca5fac R14: 00007fc8d6ca5fa0 R15: 00007fc8d6ca5fa0
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:strlen+0x29/0x70 lib/string.c:402
Code: 90 f3 0f 1e fa 41 57 41 56 41 54 53 48 c7 c0 ff ff ff ff 49 be 00 00 00 00 00 fc ff df 48 89 fb 49 89 c7 48 89 d8 48 c1 e8 03 <42> 0f b6 04 30 84 c0 75 11 48 ff c3 49 8d 47 01 42 80 7c 3f 01 00
RSP: 0018:ffffc90003ae7978 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff88803199be00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90003ae7ab8 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: fffffbfff1f60707 R12: 1ffff9200075cf40
R13: dffffc0000000000 R14: dffffc0000000000 R15: ffffffffffffffff
FS: 000055555d505500(0000) GS:ffff888125c22000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055b212f8bb40 CR3: 0000000045b18000 CR4: 00000000003526f0
----------------
Code disassembly (best guess):
0: 90 nop
1: f3 0f 1e fa endbr64
5: 41 57 push %r15
7: 41 56 push %r14
9: 41 54 push %r12
b: 53 push %rbx
c: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax
13: 49 be 00 00 00 00 00 movabs $0xdffffc0000000000,%r14
1a: fc ff df
1d: 48 89 fb mov %rdi,%rbx
20: 49 89 c7 mov %rax,%r15
23: 48 89 d8 mov %rbx,%rax
26: 48 c1 e8 03 shr $0x3,%rax
* 2a: 42 0f b6 04 30 movzbl (%rax,%r14,1),%eax <-- trapping instruction
2f: 84 c0 test %al,%al
31: 75 11 jne 0x44
33: 48 ff c3 inc %rbx
36: 49 8d 47 01 lea 0x1(%r15),%rax
3a: 42 80 7c 3f 01 00 cmpb $0x0,0x1(%rdi,%r15,1)
final repro crashed as (corrupted=false):
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] SMP KASAN PTI
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 0 UID: 0 PID: 5880 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
RIP: 0010:strlen+0x29/0x70 lib/string.c:402
Code: 90 f3 0f 1e fa 41 57 41 56 41 54 53 48 c7 c0 ff ff ff ff 49 be 00 00 00 00 00 fc ff df 48 89 fb 49 89 c7 48 89 d8 48 c1 e8 03 <42> 0f b6 04 30 84 c0 75 11 48 ff c3 49 8d 47 01 42 80 7c 3f 01 00
RSP: 0018:ffffc90003ae7978 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff88803199be00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90003ae7ab8 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: fffffbfff1f60707 R12: 1ffff9200075cf40
R13: dffffc0000000000 R14: dffffc0000000000 R15: ffffffffffffffff
FS: 000055555d505500(0000) GS:ffff888125c22000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055b212f8bb40 CR3: 0000000045b18000 CR4: 00000000003526f0
Call Trace:
__fortify_strlen include/linux/fortify-string.h:218 [inline]
do_getname_kernel+0x1d/0x230 fs/namei.c:260
class_filename_kernel_constructor include/linux/fs.h:2571 [inline]
filp_open+0x87/0x1d0 fs/open.c:1391
nvmet_file_ns_enable+0x74/0x360 drivers/nvme/target/io-cmd-file.c:41
nvmet_ns_enable+0xaa/0x780 drivers/nvme/target/core.c:596
nvmet_ns_enable_store+0xd7/0x170 drivers/nvme/target/configfs.c:735
flush_write_buffer fs/configfs/file.c:207 [inline]
configfs_write_iter+0x33a/0x430 fs/configfs/file.c:229
new_sync_write fs/read_write.c:595 [inline]
vfs_write+0x61e/0xbb0 fs/read_write.c:687
ksys_write+0x156/0x270 fs/read_write.c:739
do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc8d6a1e0d9
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:00007fff93d9edb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fc8d6ca5fa0 RCX: 00007fc8d6a1e0d9
RDX: 0000000000000001 RSI: 0000200000000580 RDI: 0000000000000004
RBP: 00007fc8d6ab5024 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fc8d6ca5fac R14: 00007fc8d6ca5fa0 R15: 00007fc8d6ca5fa0
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:strlen+0x29/0x70 lib/string.c:402
Code: 90 f3 0f 1e fa 41 57 41 56 41 54 53 48 c7 c0 ff ff ff ff 49 be 00 00 00 00 00 fc ff df 48 89 fb 49 89 c7 48 89 d8 48 c1 e8 03 <42> 0f b6 04 30 84 c0 75 11 48 ff c3 49 8d 47 01 42 80 7c 3f 01 00
RSP: 0018:ffffc90003ae7978 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff88803199be00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90003ae7ab8 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: fffffbfff1f60707 R12: 1ffff9200075cf40
R13: dffffc0000000000 R14: dffffc0000000000 R15: ffffffffffffffff
FS: 000055555d505500(0000) GS:ffff888125c22000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055b212f8bb40 CR3: 0000000045b18000 CR4: 00000000003526f0
----------------
Code disassembly (best guess):
0: 90 nop
1: f3 0f 1e fa endbr64
5: 41 57 push %r15
7: 41 56 push %r14
9: 41 54 push %r12
b: 53 push %rbx
c: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax
13: 49 be 00 00 00 00 00 movabs $0xdffffc0000000000,%r14
1a: fc ff df
1d: 48 89 fb mov %rdi,%rbx
20: 49 89 c7 mov %rax,%r15
23: 48 89 d8 mov %rbx,%rax
26: 48 c1 e8 03 shr $0x3,%rax
* 2a: 42 0f b6 04 30 movzbl (%rax,%r14,1),%eax <-- trapping instruction
2f: 84 c0 test %al,%al
31: 75 11 jne 0x44
33: 48 ff c3 inc %rbx
36: 49 8d 47 01 lea 0x1(%r15),%rax
3a: 42 80 7c 3f 01 00 cmpb $0x0,0x1(%rdi,%r15,1)