Extracting prog: 3m26.166953484s
Minimizing prog: 58m41.007909771s
Simplifying prog options: 5m14.693834283s
Extracting C: 3m24.72745575s
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:4 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}}): timer_create-fcntl$lock-mprotect-timer_settime-mmap-futex-futex-futex
detailed listing:
executing program 0:
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, 0x0) (async, rerun: 32)
fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(0x0, 0x1, &(0x7f0000000040)={{0x0, 0x3938700}, {0x0, 0x989680}}, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, &(0x7f0000048000)=0x2, 0x0) (async)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, &(0x7f0000048000), 0x0) (async, rerun: 32)
futex(&(0x7f000000cffc), 0xc, 0x1, &(0x7f0000000040), &(0x7f0000048000), 0x0) (rerun: 32)

program did not crash
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:4 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}}): timer_create-fcntl$lock-mprotect-timer_settime-mmap-futex-futex-futex
detailed listing:
executing program 0:
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, 0x0) (async, rerun: 32)
fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(0x0, 0x1, &(0x7f0000000040)={{0x0, 0x3938700}, {0x0, 0x989680}}, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, &(0x7f0000048000)=0x2, 0x0) (async)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, &(0x7f0000048000), 0x0) (async, rerun: 32)
futex(&(0x7f000000cffc), 0xc, 0x1, &(0x7f0000000040), &(0x7f0000048000), 0x0) (rerun: 32)

program crashed: KASAN: null-ptr-deref Write in remove_waiter
single: successfully extracted reproducer
found reproducer with 8 syscalls
minimizing guilty program
testing program (duration=2m32.748113518s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): timer_create-fcntl$lock-mprotect-timer_settime-mmap-futex-futex
detailed listing:
executing program 0:
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, 0x0) (async, rerun: 32)
fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(0x0, 0x1, &(0x7f0000000040)={{0x0, 0x3938700}, {0x0, 0x989680}}, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, &(0x7f0000048000)=0x2, 0x0) (async)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, &(0x7f0000048000), 0x0) (async, rerun: 32)

program did not crash
testing program (duration=2m32.748113518s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): timer_create-fcntl$lock-mprotect-timer_settime-mmap-futex-futex
detailed listing:
executing program 0:
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, 0x0) (async, rerun: 32)
fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(0x0, 0x1, &(0x7f0000000040)={{0x0, 0x3938700}, {0x0, 0x989680}}, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, &(0x7f0000048000)=0x2, 0x0) (async)
futex(&(0x7f000000cffc), 0xc, 0x1, &(0x7f0000000040), &(0x7f0000048000), 0x0) (rerun: 32)

program did not crash
testing program (duration=2m32.748113518s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): timer_create-fcntl$lock-mprotect-timer_settime-mmap-futex-futex
detailed listing:
executing program 0:
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, 0x0) (async, rerun: 32)
fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(0x0, 0x1, &(0x7f0000000040)={{0x0, 0x3938700}, {0x0, 0x989680}}, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, &(0x7f0000048000), 0x0) (async, rerun: 32)
futex(&(0x7f000000cffc), 0xc, 0x1, &(0x7f0000000040), &(0x7f0000048000), 0x0) (rerun: 32)

program did not crash
testing program (duration=2m32.748113518s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): timer_create-fcntl$lock-mprotect-timer_settime-futex-futex-futex
detailed listing:
executing program 0:
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, 0x0) (async, rerun: 32)
fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(0x0, 0x1, &(0x7f0000000040)={{0x0, 0x3938700}, {0x0, 0x989680}}, 0x0)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, &(0x7f0000048000)=0x2, 0x0) (async)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, &(0x7f0000048000), 0x0) (async, rerun: 32)
futex(&(0x7f000000cffc), 0xc, 0x1, &(0x7f0000000040), &(0x7f0000048000), 0x0) (rerun: 32)

program did not crash
testing program (duration=2m32.748113518s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): timer_create-fcntl$lock-mprotect-mmap-futex-futex-futex
detailed listing:
executing program 0:
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, 0x0) (async, rerun: 32)
fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, &(0x7f0000048000)=0x2, 0x0) (async)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, &(0x7f0000048000), 0x0) (async, rerun: 32)
futex(&(0x7f000000cffc), 0xc, 0x1, &(0x7f0000000040), &(0x7f0000048000), 0x0) (rerun: 32)

program crashed: KASAN: null-ptr-deref Write in remove_waiter
testing program (duration=2m32.748113518s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): timer_create-fcntl$lock-mmap-futex-futex-futex
detailed listing:
executing program 0:
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, 0x0) (async, rerun: 32)
fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5})
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, &(0x7f0000048000)=0x2, 0x0) (async)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, &(0x7f0000048000), 0x0) (async, rerun: 32)
futex(&(0x7f000000cffc), 0xc, 0x1, &(0x7f0000000040), &(0x7f0000048000), 0x0) (rerun: 32)

program did not crash
testing program (duration=2m32.748113518s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): timer_create-mprotect-mmap-futex-futex-futex
detailed listing:
executing program 0:
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, 0x0) (async, rerun: 32)
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, &(0x7f0000048000)=0x2, 0x0) (async)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, &(0x7f0000048000), 0x0) (async, rerun: 32)
futex(&(0x7f000000cffc), 0xc, 0x1, &(0x7f0000000040), &(0x7f0000048000), 0x0) (rerun: 32)

program crashed: KASAN: null-ptr-deref Write in remove_waiter
testing program (duration=2m32.748113518s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): mprotect-mmap-futex-futex-futex
detailed listing:
executing program 0:
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, &(0x7f0000048000)=0x2, 0x0) (async)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, &(0x7f0000048000), 0x0) (async, rerun: 32)
futex(&(0x7f000000cffc), 0xc, 0x1, &(0x7f0000000040), &(0x7f0000048000), 0x0) (rerun: 32)

program did not crash
testing program (duration=2m32.748113518s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): timer_create-mprotect-mmap-futex-futex-futex
detailed listing:
executing program 0:
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, 0x0)
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, &(0x7f0000048000)=0x2, 0x0)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, &(0x7f0000048000), 0x0)
futex(&(0x7f000000cffc), 0xc, 0x1, &(0x7f0000000040), &(0x7f0000048000), 0x0)

program did not crash
testing program (duration=2m32.748113518s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): timer_create-mprotect-mmap-futex-futex-futex
detailed listing:
executing program 0:
timer_create(0x0, 0x0, 0x0) (async, rerun: 32)
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, &(0x7f0000048000)=0x2, 0x0) (async)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, &(0x7f0000048000), 0x0) (async, rerun: 32)
futex(&(0x7f000000cffc), 0xc, 0x1, &(0x7f0000000040), &(0x7f0000048000), 0x0) (rerun: 32)

program did not crash
testing program (duration=2m32.748113518s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): timer_create-mprotect-mmap-futex-futex-futex
detailed listing:
executing program 0:
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, 0x0) (rerun: 32)
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, &(0x7f0000048000)=0x2, 0x0) (async)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, &(0x7f0000048000), 0x0) (async, rerun: 32)
futex(&(0x7f000000cffc), 0xc, 0x1, &(0x7f0000000040), &(0x7f0000048000), 0x0) (rerun: 32)

program crashed: KASAN: null-ptr-deref Write in remove_waiter
testing program (duration=2m32.748113518s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): timer_create-mprotect-mmap-futex-futex-futex
detailed listing:
executing program 0:
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, 0x0)
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, &(0x7f0000048000)=0x2, 0x0) (async)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, &(0x7f0000048000), 0x0) (async, rerun: 32)
futex(&(0x7f000000cffc), 0xc, 0x1, &(0x7f0000000040), &(0x7f0000048000), 0x0) (rerun: 32)

program did not crash
testing program (duration=2m32.748113518s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): timer_create-mprotect-mmap-futex-futex-futex
detailed listing:
executing program 0:
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, 0x0) (rerun: 32)
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000)
futex(0x0, 0x80000000000b, 0x0, 0x0, &(0x7f0000048000)=0x2, 0x0) (async)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, &(0x7f0000048000), 0x0) (async, rerun: 32)
futex(&(0x7f000000cffc), 0xc, 0x1, &(0x7f0000000040), &(0x7f0000048000), 0x0) (rerun: 32)

program did not crash
testing program (duration=2m32.748113518s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): timer_create-mprotect-mmap-futex-futex-futex
detailed listing:
executing program 0:
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, 0x0) (rerun: 32)
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, 0x0, 0x0) (async)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, &(0x7f0000048000), 0x0) (async, rerun: 32)
futex(&(0x7f000000cffc), 0xc, 0x1, &(0x7f0000000040), &(0x7f0000048000), 0x0) (rerun: 32)

program did not crash
testing program (duration=2m32.748113518s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): timer_create-mprotect-mmap-futex-futex-futex
detailed listing:
executing program 0:
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, 0x0) (rerun: 32)
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, &(0x7f0000048000)=0x2, 0x0)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, &(0x7f0000048000), 0x0) (async, rerun: 32)
futex(&(0x7f000000cffc), 0xc, 0x1, &(0x7f0000000040), &(0x7f0000048000), 0x0) (rerun: 32)

program did not crash
testing program (duration=2m32.748113518s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): timer_create-mprotect-mmap-futex-futex-futex
detailed listing:
executing program 0:
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, 0x0) (rerun: 32)
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, &(0x7f0000048000)=0x2, 0x0) (async)
futex(0x0, 0x80000000000b, 0x0, 0x0, &(0x7f0000048000), 0x0) (async, rerun: 32)
futex(&(0x7f000000cffc), 0xc, 0x1, &(0x7f0000000040), &(0x7f0000048000), 0x0) (rerun: 32)

program did not crash
testing program (duration=2m32.748113518s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): timer_create-mprotect-mmap-futex-futex-futex
detailed listing:
executing program 0:
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, 0x0) (rerun: 32)
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, &(0x7f0000048000)=0x2, 0x0) (async)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, 0x0, 0x0) (async, rerun: 32)
futex(&(0x7f000000cffc), 0xc, 0x1, &(0x7f0000000040), &(0x7f0000048000), 0x0) (rerun: 32)

program did not crash
testing program (duration=2m32.748113518s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): timer_create-mprotect-mmap-futex-futex-futex
detailed listing:
executing program 0:
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, 0x0) (rerun: 32)
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, &(0x7f0000048000)=0x2, 0x0) (async)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, &(0x7f0000048000), 0x0) (rerun: 32)
futex(&(0x7f000000cffc), 0xc, 0x1, &(0x7f0000000040), &(0x7f0000048000), 0x0) (rerun: 32)

program did not crash
testing program (duration=2m32.748113518s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): timer_create-mprotect-mmap-futex-futex-futex
detailed listing:
executing program 0:
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, 0x0) (rerun: 32)
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, &(0x7f0000048000)=0x2, 0x0) (async)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, &(0x7f0000048000), 0x0) (async)
futex(&(0x7f000000cffc), 0xc, 0x1, &(0x7f0000000040), &(0x7f0000048000), 0x0) (rerun: 32)

program did not crash
testing program (duration=2m32.748113518s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): timer_create-mprotect-mmap-futex-futex-futex
detailed listing:
executing program 0:
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, 0x0) (rerun: 32)
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, &(0x7f0000048000)=0x2, 0x0) (async)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, &(0x7f0000048000), 0x0) (async, rerun: 32)
futex(0x0, 0xc, 0x1, &(0x7f0000000040), &(0x7f0000048000), 0x0) (rerun: 32)

program did not crash
testing program (duration=2m32.748113518s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): timer_create-mprotect-mmap-futex-futex-futex
detailed listing:
executing program 0:
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, 0x0) (rerun: 32)
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, &(0x7f0000048000)=0x2, 0x0) (async)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, &(0x7f0000048000), 0x0) (async, rerun: 32)
futex(&(0x7f000000cffc), 0xc, 0x1, 0x0, &(0x7f0000048000), 0x0) (rerun: 32)

VM was preempted during syz execution: failed to run command in VM: instance is preempted, retrying
VM was preempted during syz execution: failed to run command in VM: instance is preempted, retrying
program did not crash
testing program (duration=2m32.748113518s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): timer_create-mprotect-mmap-futex-futex-futex
detailed listing:
executing program 0:
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, 0x0) (rerun: 32)
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, &(0x7f0000048000)=0x2, 0x0) (async)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, &(0x7f0000048000), 0x0) (async, rerun: 32)
futex(&(0x7f000000cffc), 0xc, 0x1, &(0x7f0000000040), 0x0, 0x0) (rerun: 32)

program did not crash
testing program (duration=2m32.748113518s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): timer_create-mprotect-mmap-futex-futex-futex
detailed listing:
executing program 0:
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, 0x0) (rerun: 32)
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, &(0x7f0000048000)=0x2, 0x0) (async)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, &(0x7f0000048000), 0x0) (async, rerun: 32)
futex(&(0x7f000000cffc), 0xc, 0x1, &(0x7f0000000040), &(0x7f0000048000), 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=2m32.748113518s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): timer_create-mprotect-mmap-futex-futex-futex
VM was preempted during C execution: failed to run command in VM: instance is preempted, retrying
testing compiled C program (duration=2m32.748113518s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): timer_create-mprotect-mmap-futex-futex-futex
program did not crash
simplifying guilty program options
testing program (duration=2m32.748113518s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 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}}): timer_create-mprotect-mmap-futex-futex-futex
detailed listing:
executing program 0:
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, 0x0) (rerun: 32)
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, &(0x7f0000048000)=0x2, 0x0) (async)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, &(0x7f0000048000), 0x0) (async, rerun: 32)
futex(&(0x7f000000cffc), 0xc, 0x1, &(0x7f0000000040), &(0x7f0000048000), 0x0) (rerun: 32)

program did not crash
testing program (duration=2m32.748113518s, {Threaded:true 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}}): timer_create-mprotect-mmap-futex-futex-futex
detailed listing:
executing program 0:
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, 0x0) (rerun: 32)
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, &(0x7f0000048000)=0x2, 0x0) (async)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, &(0x7f0000048000), 0x0) (async, rerun: 32)
futex(&(0x7f000000cffc), 0xc, 0x1, &(0x7f0000000040), &(0x7f0000048000), 0x0) (rerun: 32)

program did not crash
testing program (duration=2m32.748113518s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): timer_create-mprotect-mmap-futex-futex-futex
detailed listing:
executing program 0:
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, 0x0) (rerun: 32)
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, &(0x7f0000048000)=0x2, 0x0) (async)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, &(0x7f0000048000), 0x0) (async, rerun: 32)
futex(&(0x7f000000cffc), 0xc, 0x1, &(0x7f0000000040), &(0x7f0000048000), 0x0) (rerun: 32)

program did not crash
validation run: crashed=false
testing program (duration=2m32.748113518s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): timer_create-mprotect-mmap-futex-futex-futex
detailed listing:
executing program 0:
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, 0x0) (rerun: 32)
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, &(0x7f0000048000)=0x2, 0x0) (async)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, &(0x7f0000048000), 0x0) (async, rerun: 32)
futex(&(0x7f000000cffc), 0xc, 0x1, &(0x7f0000000040), &(0x7f0000048000), 0x0) (rerun: 32)

program crashed: KASAN: null-ptr-deref Write in remove_waiter
validation run: crashed=true
testing program (duration=2m32.748113518s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): timer_create-mprotect-mmap-futex-futex-futex
detailed listing:
executing program 0:
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, 0x0) (rerun: 32)
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, &(0x7f0000048000)=0x2, 0x0) (async)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, &(0x7f0000048000), 0x0) (async, rerun: 32)
futex(&(0x7f000000cffc), 0xc, 0x1, &(0x7f0000000040), &(0x7f0000048000), 0x0) (rerun: 32)

VM was preempted during syz execution: failed to run command in VM: instance is preempted, retrying
program did not crash
validation run: crashed=false
testing program (duration=2m32.748113518s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): timer_create-mprotect-mmap-futex-futex-futex
detailed listing:
executing program 0:
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, 0x0) (rerun: 32)
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, &(0x7f0000048000)=0x2, 0x0) (async)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, &(0x7f0000048000), 0x0) (async, rerun: 32)
futex(&(0x7f000000cffc), 0xc, 0x1, &(0x7f0000000040), &(0x7f0000048000), 0x0) (rerun: 32)

program crashed: KASAN: null-ptr-deref Write in remove_waiter
validation run: crashed=true
testing program (duration=2m32.748113518s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): timer_create-mprotect-mmap-futex-futex-futex
detailed listing:
executing program 0:
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, 0x0) (rerun: 32)
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, &(0x7f0000048000)=0x2, 0x0) (async)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, &(0x7f0000048000), 0x0) (async, rerun: 32)
futex(&(0x7f000000cffc), 0xc, 0x1, &(0x7f0000000040), &(0x7f0000048000), 0x0) (rerun: 32)

program did not crash
validation run: crashed=false
testing program (duration=2m32.748113518s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): timer_create-mprotect-mmap-futex-futex-futex
detailed listing:
executing program 0:
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, 0x0) (rerun: 32)
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, &(0x7f0000048000)=0x2, 0x0) (async)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, &(0x7f0000048000), 0x0) (async, rerun: 32)
futex(&(0x7f000000cffc), 0xc, 0x1, &(0x7f0000000040), &(0x7f0000048000), 0x0) (rerun: 32)

program did not crash
validation run: crashed=false
testing program (duration=2m32.748113518s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): timer_create-mprotect-mmap-futex-futex-futex
detailed listing:
executing program 0:
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, 0x0) (rerun: 32)
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, &(0x7f0000048000)=0x2, 0x0) (async)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, &(0x7f0000048000), 0x0) (async, rerun: 32)
futex(&(0x7f000000cffc), 0xc, 0x1, &(0x7f0000000040), &(0x7f0000048000), 0x0) (rerun: 32)

program did not crash
validation run: crashed=false
testing program (duration=2m32.748113518s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): timer_create-mprotect-mmap-futex-futex-futex
detailed listing:
executing program 0:
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, 0x0) (rerun: 32)
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, &(0x7f0000048000)=0x2, 0x0) (async)
futex(&(0x7f000000cffc), 0x80000000000b, 0x0, 0x0, &(0x7f0000048000), 0x0) (async, rerun: 32)
futex(&(0x7f000000cffc), 0xc, 0x1, &(0x7f0000000040), &(0x7f0000048000), 0x0) (rerun: 32)

program crashed: KASAN: null-ptr-deref Write in remove_waiter
validation run: crashed=true
reproducing took 1h30m56.90682834s
repro crashed as (corrupted=false):
==================================================================
BUG: KASAN: null-ptr-deref in instrument_atomic_read_write include/linux/instrumented.h:96 [inline]
BUG: KASAN: null-ptr-deref in atomic_try_cmpxchg_acquire include/linux/atomic/atomic-instrumented.h:1300 [inline]
BUG: KASAN: null-ptr-deref in queued_spin_lock include/asm-generic/qspinlock.h:111 [inline]
BUG: KASAN: null-ptr-deref in do_raw_spin_lock include/linux/spinlock.h:187 [inline]
BUG: KASAN: null-ptr-deref in __raw_spin_lock include/linux/spinlock_api_smp.h:134 [inline]
BUG: KASAN: null-ptr-deref in _raw_spin_lock+0x85/0x120 kernel/locking/spinlock.c:154
Write of size 4 at addr 000000000000094c by task syz.1.602/2747

CPU: 0 UID: 0 PID: 2747 Comm: syz.1.602 Not tainted syzkaller #0 68e3201df5fdad0ba521b4874bccf43aba0ac9cd
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/25/2026
Call Trace:
 <TASK>
 __dump_stack+0x21/0x30 lib/dump_stack.c:94
 dump_stack_lvl+0x140/0x1c0 lib/dump_stack.c:120
 print_report+0x3d/0x70 mm/kasan/report.c:484
 kasan_report+0x162/0x1a0 mm/kasan/report.c:594
 check_region_inline mm/kasan/generic.c:-1 [inline]
 kasan_check_range+0x25a/0x2b0 mm/kasan/generic.c:189
 __kasan_check_write+0x18/0x20 mm/kasan/shadow.c:37
 instrument_atomic_read_write include/linux/instrumented.h:96 [inline]
 atomic_try_cmpxchg_acquire include/linux/atomic/atomic-instrumented.h:1300 [inline]
 queued_spin_lock include/asm-generic/qspinlock.h:111 [inline]
 do_raw_spin_lock include/linux/spinlock.h:187 [inline]
 __raw_spin_lock include/linux/spinlock_api_smp.h:134 [inline]
 _raw_spin_lock+0x85/0x120 kernel/locking/spinlock.c:154
 class_raw_spinlock_constructor include/linux/spinlock.h:536 [inline]
 remove_waiter+0xdc/0x740 kernel/locking/rtmutex.c:1552
 rt_mutex_start_proxy_lock+0xf7/0x1f0 kernel/locking/rtmutex_api.c:356
 futex_requeue+0x10a5/0x1450 kernel/futex/requeue.c:633
 do_futex+0x354/0x510 kernel/futex/syscalls.c:-1
 __do_sys_futex kernel/futex/syscalls.c:209 [inline]
 __se_sys_futex+0x13c/0x320 kernel/futex/syscalls.c:190
 __x64_sys_futex+0xe9/0x110 kernel/futex/syscalls.c:190
 x64_sys_call+0x227f/0x2ee0 arch/x86/include/generated/asm/syscalls_64.h:203
 do_syscall_x64 arch/x86/entry/common.c:47 [inline]
 do_syscall_64+0x57/0xf0 arch/x86/entry/common.c:78
 entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7f5bf479de99
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:00007f5bf5609028 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 00007f5bf4a26180 RCX: 00007f5bf479de99
RDX: 0000000000000001 RSI: 000000000000000c RDI: 000020000000cffc
RBP: 00007f5bf4833eaf R08: 0000200000048000 R09: 0000000000000000
R10: 0000200000000040 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f5bf4a26218 R14: 00007f5bf4a26180 R15: 00007ffeac81aa68
 </TASK>
==================================================================
BUG: kernel NULL pointer dereference, address: 000000000000094c
#PF: supervisor write access in kernel mode
#PF: error_code(0x0002) - not-present page
PGD 800000011ae63067 P4D 800000011ae63067 PUD 0 
Oops: Oops: 0002 [#1] PREEMPT SMP KASAN PTI
CPU: 0 UID: 0 PID: 2747 Comm: syz.1.602 Tainted: G    B              syzkaller #0 68e3201df5fdad0ba521b4874bccf43aba0ac9cd
Tainted: [B]=BAD_PAGE
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/25/2026
RIP: 0010:arch_atomic_try_cmpxchg arch/x86/include/asm/atomic.h:107 [inline]
RIP: 0010:raw_atomic_try_cmpxchg_acquire include/linux/atomic/atomic-arch-fallback.h:2170 [inline]
RIP: 0010:atomic_try_cmpxchg_acquire include/linux/atomic/atomic-instrumented.h:1302 [inline]
RIP: 0010:queued_spin_lock include/asm-generic/qspinlock.h:111 [inline]
RIP: 0010:do_raw_spin_lock include/linux/spinlock.h:187 [inline]
RIP: 0010:__raw_spin_lock include/linux/spinlock_api_smp.h:134 [inline]
RIP: 0010:_raw_spin_lock+0x9b/0x120 kernel/locking/spinlock.c:154
Code: 04 04 c7 44 24 20 00 00 00 00 be 04 00 00 00 e8 db 8c 3a fc 4c 89 f7 be 04 00 00 00 e8 ce 8c 3a fc 8b 44 24 20 b9 01 00 00 00 <f0> 0f b1 0b 75 38 43 c6 44 3c 04 f8 48 c7 04 24 0e 36 e0 45 4b c7
RSP: 0018:ffffc9000170f880 EFLAGS: 00010097
RAX: 0000000000000000 RBX: 000000000000094c RCX: 0000000000000001
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffffc9000170f8a0
RBP: ffffc9000170f910 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff520002e1f14 R12: 1ffff920002e1f10
R13: ffff88810a36f328 R14: ffffc9000170f8a0 R15: dffffc0000000000
FS:  00007f5bf56096c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000000094c CR3: 000000012db98000 CR4: 00000000003526b0
Call Trace:
 <TASK>
 class_raw_spinlock_constructor include/linux/spinlock.h:536 [inline]
 remove_waiter+0xdc/0x740 kernel/locking/rtmutex.c:1552
 rt_mutex_start_proxy_lock+0xf7/0x1f0 kernel/locking/rtmutex_api.c:356
 futex_requeue+0x10a5/0x1450 kernel/futex/requeue.c:633
 do_futex+0x354/0x510 kernel/futex/syscalls.c:-1
 __do_sys_futex kernel/futex/syscalls.c:209 [inline]
 __se_sys_futex+0x13c/0x320 kernel/futex/syscalls.c:190
 __x64_sys_futex+0xe9/0x110 kernel/futex/syscalls.c:190
 x64_sys_call+0x227f/0x2ee0 arch/x86/include/generated/asm/syscalls_64.h:203
 do_syscall_x64 arch/x86/entry/common.c:47 [inline]
 do_syscall_64+0x57/0xf0 arch/x86/entry/common.c:78
 entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7f5bf479de99
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:00007f5bf5609028 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 00007f5bf4a26180 RCX: 00007f5bf479de99
RDX: 0000000000000001 RSI: 000000000000000c RDI: 000020000000cffc
RBP: 00007f5bf4833eaf R08: 0000200000048000 R09: 0000000000000000
R10: 0000200000000040 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f5bf4a26218 R14: 00007f5bf4a26180 R15: 00007ffeac81aa68
 </TASK>
Modules linked in:
CR2: 000000000000094c
---[ end trace 0000000000000000 ]---
RIP: 0010:arch_atomic_try_cmpxchg arch/x86/include/asm/atomic.h:107 [inline]
RIP: 0010:raw_atomic_try_cmpxchg_acquire include/linux/atomic/atomic-arch-fallback.h:2170 [inline]
RIP: 0010:atomic_try_cmpxchg_acquire include/linux/atomic/atomic-instrumented.h:1302 [inline]
RIP: 0010:queued_spin_lock include/asm-generic/qspinlock.h:111 [inline]
RIP: 0010:do_raw_spin_lock include/linux/spinlock.h:187 [inline]
RIP: 0010:__raw_spin_lock include/linux/spinlock_api_smp.h:134 [inline]
RIP: 0010:_raw_spin_lock+0x9b/0x120 kernel/locking/spinlock.c:154
Code: 04 04 c7 44 24 20 00 00 00 00 be 04 00 00 00 e8 db 8c 3a fc 4c 89 f7 be 04 00 00 00 e8 ce 8c 3a fc 8b 44 24 20 b9 01 00 00 00 <f0> 0f b1 0b 75 38 43 c6 44 3c 04 f8 48 c7 04 24 0e 36 e0 45 4b c7
RSP: 0018:ffffc9000170f880 EFLAGS: 00010097
RAX: 0000000000000000 RBX: 000000000000094c RCX: 0000000000000001
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffffc9000170f8a0
RBP: ffffc9000170f910 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff520002e1f14 R12: 1ffff920002e1f10
R13: ffff88810a36f328 R14: ffffc9000170f8a0 R15: dffffc0000000000
FS:  00007f5bf56096c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000000094c CR3: 000000012db98000 CR4: 00000000003526b0
----------------
Code disassembly (best guess):
   0:	04 04                	add    $0x4,%al
   2:	c7 44 24 20 00 00 00 	movl   $0x0,0x20(%rsp)
   9:	00
   a:	be 04 00 00 00       	mov    $0x4,%esi
   f:	e8 db 8c 3a fc       	call   0xfc3a8cef
  14:	4c 89 f7             	mov    %r14,%rdi
  17:	be 04 00 00 00       	mov    $0x4,%esi
  1c:	e8 ce 8c 3a fc       	call   0xfc3a8cef
  21:	8b 44 24 20          	mov    0x20(%rsp),%eax
  25:	b9 01 00 00 00       	mov    $0x1,%ecx
* 2a:	f0 0f b1 0b          	lock cmpxchg %ecx,(%rbx) <-- trapping instruction
  2e:	75 38                	jne    0x68
  30:	43 c6 44 3c 04 f8    	movb   $0xf8,0x4(%r12,%r15,1)
  36:	48 c7 04 24 0e 36 e0 	movq   $0x45e0360e,(%rsp)
  3d:	45
  3e:	4b                   	rex.WXB
  3f:	c7                   	.byte 0xc7

final repro crashed as (corrupted=false):
==================================================================
BUG: KASAN: null-ptr-deref in instrument_atomic_read_write include/linux/instrumented.h:96 [inline]
BUG: KASAN: null-ptr-deref in atomic_try_cmpxchg_acquire include/linux/atomic/atomic-instrumented.h:1300 [inline]
BUG: KASAN: null-ptr-deref in queued_spin_lock include/asm-generic/qspinlock.h:111 [inline]
BUG: KASAN: null-ptr-deref in do_raw_spin_lock include/linux/spinlock.h:187 [inline]
BUG: KASAN: null-ptr-deref in __raw_spin_lock include/linux/spinlock_api_smp.h:134 [inline]
BUG: KASAN: null-ptr-deref in _raw_spin_lock+0x85/0x120 kernel/locking/spinlock.c:154
Write of size 4 at addr 000000000000094c by task syz.1.602/2747

CPU: 0 UID: 0 PID: 2747 Comm: syz.1.602 Not tainted syzkaller #0 68e3201df5fdad0ba521b4874bccf43aba0ac9cd
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/25/2026
Call Trace:
 <TASK>
 __dump_stack+0x21/0x30 lib/dump_stack.c:94
 dump_stack_lvl+0x140/0x1c0 lib/dump_stack.c:120
 print_report+0x3d/0x70 mm/kasan/report.c:484
 kasan_report+0x162/0x1a0 mm/kasan/report.c:594
 check_region_inline mm/kasan/generic.c:-1 [inline]
 kasan_check_range+0x25a/0x2b0 mm/kasan/generic.c:189
 __kasan_check_write+0x18/0x20 mm/kasan/shadow.c:37
 instrument_atomic_read_write include/linux/instrumented.h:96 [inline]
 atomic_try_cmpxchg_acquire include/linux/atomic/atomic-instrumented.h:1300 [inline]
 queued_spin_lock include/asm-generic/qspinlock.h:111 [inline]
 do_raw_spin_lock include/linux/spinlock.h:187 [inline]
 __raw_spin_lock include/linux/spinlock_api_smp.h:134 [inline]
 _raw_spin_lock+0x85/0x120 kernel/locking/spinlock.c:154
 class_raw_spinlock_constructor include/linux/spinlock.h:536 [inline]
 remove_waiter+0xdc/0x740 kernel/locking/rtmutex.c:1552
 rt_mutex_start_proxy_lock+0xf7/0x1f0 kernel/locking/rtmutex_api.c:356
 futex_requeue+0x10a5/0x1450 kernel/futex/requeue.c:633
 do_futex+0x354/0x510 kernel/futex/syscalls.c:-1
 __do_sys_futex kernel/futex/syscalls.c:209 [inline]
 __se_sys_futex+0x13c/0x320 kernel/futex/syscalls.c:190
 __x64_sys_futex+0xe9/0x110 kernel/futex/syscalls.c:190
 x64_sys_call+0x227f/0x2ee0 arch/x86/include/generated/asm/syscalls_64.h:203
 do_syscall_x64 arch/x86/entry/common.c:47 [inline]
 do_syscall_64+0x57/0xf0 arch/x86/entry/common.c:78
 entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7f5bf479de99
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:00007f5bf5609028 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 00007f5bf4a26180 RCX: 00007f5bf479de99
RDX: 0000000000000001 RSI: 000000000000000c RDI: 000020000000cffc
RBP: 00007f5bf4833eaf R08: 0000200000048000 R09: 0000000000000000
R10: 0000200000000040 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f5bf4a26218 R14: 00007f5bf4a26180 R15: 00007ffeac81aa68
 </TASK>
==================================================================
BUG: kernel NULL pointer dereference, address: 000000000000094c
#PF: supervisor write access in kernel mode
#PF: error_code(0x0002) - not-present page
PGD 800000011ae63067 P4D 800000011ae63067 PUD 0 
Oops: Oops: 0002 [#1] PREEMPT SMP KASAN PTI
CPU: 0 UID: 0 PID: 2747 Comm: syz.1.602 Tainted: G    B              syzkaller #0 68e3201df5fdad0ba521b4874bccf43aba0ac9cd
Tainted: [B]=BAD_PAGE
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/25/2026
RIP: 0010:arch_atomic_try_cmpxchg arch/x86/include/asm/atomic.h:107 [inline]
RIP: 0010:raw_atomic_try_cmpxchg_acquire include/linux/atomic/atomic-arch-fallback.h:2170 [inline]
RIP: 0010:atomic_try_cmpxchg_acquire include/linux/atomic/atomic-instrumented.h:1302 [inline]
RIP: 0010:queued_spin_lock include/asm-generic/qspinlock.h:111 [inline]
RIP: 0010:do_raw_spin_lock include/linux/spinlock.h:187 [inline]
RIP: 0010:__raw_spin_lock include/linux/spinlock_api_smp.h:134 [inline]
RIP: 0010:_raw_spin_lock+0x9b/0x120 kernel/locking/spinlock.c:154
Code: 04 04 c7 44 24 20 00 00 00 00 be 04 00 00 00 e8 db 8c 3a fc 4c 89 f7 be 04 00 00 00 e8 ce 8c 3a fc 8b 44 24 20 b9 01 00 00 00 <f0> 0f b1 0b 75 38 43 c6 44 3c 04 f8 48 c7 04 24 0e 36 e0 45 4b c7
RSP: 0018:ffffc9000170f880 EFLAGS: 00010097
RAX: 0000000000000000 RBX: 000000000000094c RCX: 0000000000000001
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffffc9000170f8a0
RBP: ffffc9000170f910 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff520002e1f14 R12: 1ffff920002e1f10
R13: ffff88810a36f328 R14: ffffc9000170f8a0 R15: dffffc0000000000
FS:  00007f5bf56096c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000000094c CR3: 000000012db98000 CR4: 00000000003526b0
Call Trace:
 <TASK>
 class_raw_spinlock_constructor include/linux/spinlock.h:536 [inline]
 remove_waiter+0xdc/0x740 kernel/locking/rtmutex.c:1552
 rt_mutex_start_proxy_lock+0xf7/0x1f0 kernel/locking/rtmutex_api.c:356
 futex_requeue+0x10a5/0x1450 kernel/futex/requeue.c:633
 do_futex+0x354/0x510 kernel/futex/syscalls.c:-1
 __do_sys_futex kernel/futex/syscalls.c:209 [inline]
 __se_sys_futex+0x13c/0x320 kernel/futex/syscalls.c:190
 __x64_sys_futex+0xe9/0x110 kernel/futex/syscalls.c:190
 x64_sys_call+0x227f/0x2ee0 arch/x86/include/generated/asm/syscalls_64.h:203
 do_syscall_x64 arch/x86/entry/common.c:47 [inline]
 do_syscall_64+0x57/0xf0 arch/x86/entry/common.c:78
 entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7f5bf479de99
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:00007f5bf5609028 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 00007f5bf4a26180 RCX: 00007f5bf479de99
RDX: 0000000000000001 RSI: 000000000000000c RDI: 000020000000cffc
RBP: 00007f5bf4833eaf R08: 0000200000048000 R09: 0000000000000000
R10: 0000200000000040 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f5bf4a26218 R14: 00007f5bf4a26180 R15: 00007ffeac81aa68
 </TASK>
Modules linked in:
CR2: 000000000000094c
---[ end trace 0000000000000000 ]---
RIP: 0010:arch_atomic_try_cmpxchg arch/x86/include/asm/atomic.h:107 [inline]
RIP: 0010:raw_atomic_try_cmpxchg_acquire include/linux/atomic/atomic-arch-fallback.h:2170 [inline]
RIP: 0010:atomic_try_cmpxchg_acquire include/linux/atomic/atomic-instrumented.h:1302 [inline]
RIP: 0010:queued_spin_lock include/asm-generic/qspinlock.h:111 [inline]
RIP: 0010:do_raw_spin_lock include/linux/spinlock.h:187 [inline]
RIP: 0010:__raw_spin_lock include/linux/spinlock_api_smp.h:134 [inline]
RIP: 0010:_raw_spin_lock+0x9b/0x120 kernel/locking/spinlock.c:154
Code: 04 04 c7 44 24 20 00 00 00 00 be 04 00 00 00 e8 db 8c 3a fc 4c 89 f7 be 04 00 00 00 e8 ce 8c 3a fc 8b 44 24 20 b9 01 00 00 00 <f0> 0f b1 0b 75 38 43 c6 44 3c 04 f8 48 c7 04 24 0e 36 e0 45 4b c7
RSP: 0018:ffffc9000170f880 EFLAGS: 00010097
RAX: 0000000000000000 RBX: 000000000000094c RCX: 0000000000000001
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffffc9000170f8a0
RBP: ffffc9000170f910 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff520002e1f14 R12: 1ffff920002e1f10
R13: ffff88810a36f328 R14: ffffc9000170f8a0 R15: dffffc0000000000
FS:  00007f5bf56096c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000000094c CR3: 000000012db98000 CR4: 00000000003526b0
----------------
Code disassembly (best guess):
   0:	04 04                	add    $0x4,%al
   2:	c7 44 24 20 00 00 00 	movl   $0x0,0x20(%rsp)
   9:	00
   a:	be 04 00 00 00       	mov    $0x4,%esi
   f:	e8 db 8c 3a fc       	call   0xfc3a8cef
  14:	4c 89 f7             	mov    %r14,%rdi
  17:	be 04 00 00 00       	mov    $0x4,%esi
  1c:	e8 ce 8c 3a fc       	call   0xfc3a8cef
  21:	8b 44 24 20          	mov    0x20(%rsp),%eax
  25:	b9 01 00 00 00       	mov    $0x1,%ecx
* 2a:	f0 0f b1 0b          	lock cmpxchg %ecx,(%rbx) <-- trapping instruction
  2e:	75 38                	jne    0x68
  30:	43 c6 44 3c 04 f8    	movb   $0xf8,0x4(%r12,%r15,1)
  36:	48 c7 04 24 0e 36 e0 	movq   $0x45e0360e,(%rsp)
  3d:	45
  3e:	4b                   	rex.WXB
  3f:	c7                   	.byte 0xc7