Extracting prog: 7m15.47307949s Minimizing prog: 19m58.190421557s Simplifying prog options: 2m59.319090994s Extracting C: 1m31.786513459s Simplifying C: 0s extracting reproducer from 1 programs testing a last program of every proc single: executing 1 programs separately with timeout 6m0s testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: mmap(&(0x7f0000000000/0xfbe000)=nil, 0xfbe000, 0xa, 0x31, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2}, &(0x7f0000000300)) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x3ed4, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x9) timer_settime(0x0, 0x1, &(0x7f0000000040), 0x0) program did not crash program crashed: unregister_netdevice: waiting for DEV to become free single: successfully extracted reproducer found reproducer with 7 syscalls minimizing guilty program testing program (duration=1m26.566760892s, {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}}): mmap-prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect detailed listing: executing program 0: mmap(&(0x7f0000000000/0xfbe000)=nil, 0xfbe000, 0xa, 0x31, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2}, &(0x7f0000000300)) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x3ed4, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x9) program did not crash testing program (duration=1m26.566760892s, {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}}): mmap-prlimit64-sched_setscheduler-timer_create-fcntl$lock-timer_settime detailed listing: executing program 0: mmap(&(0x7f0000000000/0xfbe000)=nil, 0xfbe000, 0xa, 0x31, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2}, &(0x7f0000000300)) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x3ed4, 0x5}) timer_settime(0x0, 0x1, &(0x7f0000000040), 0x0) program did not crash testing program (duration=1m26.566760892s, {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}}): mmap-prlimit64-sched_setscheduler-timer_create-mprotect-timer_settime detailed listing: executing program 0: mmap(&(0x7f0000000000/0xfbe000)=nil, 0xfbe000, 0xa, 0x31, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2}, &(0x7f0000000300)) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x9) timer_settime(0x0, 0x1, &(0x7f0000000040), 0x0) program did not crash testing program (duration=1m26.566760892s, {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}}): mmap-prlimit64-sched_setscheduler-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: mmap(&(0x7f0000000000/0xfbe000)=nil, 0xfbe000, 0xa, 0x31, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x3ed4, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x9) timer_settime(0x0, 0x1, &(0x7f0000000040), 0x0) program did not crash testing program (duration=1m26.566760892s, {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}}): mmap-prlimit64-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: mmap(&(0x7f0000000000/0xfbe000)=nil, 0xfbe000, 0xa, 0x31, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2}, &(0x7f0000000300)) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x3ed4, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x9) timer_settime(0x0, 0x1, &(0x7f0000000040), 0x0) program did not crash testing program (duration=1m26.566760892s, {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}}): mmap-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: mmap(&(0x7f0000000000/0xfbe000)=nil, 0xfbe000, 0xa, 0x31, 0xffffffffffffffff, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2}, &(0x7f0000000300)) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x3ed4, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x9) timer_settime(0x0, 0x1, &(0x7f0000000040), 0x0) program did not crash testing program (duration=1m26.566760892s, {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}}): prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2}, &(0x7f0000000300)) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x3ed4, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x9) timer_settime(0x0, 0x1, &(0x7f0000000040), 0x0) program did not crash testing program (duration=1m26.566760892s, {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}}): mmap-prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: mmap(&(0x7f0000000000/0xfbe000)=nil, 0xfbe000, 0xa, 0x31, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, 0x0, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2}, &(0x7f0000000300)) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x3ed4, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x9) timer_settime(0x0, 0x1, &(0x7f0000000040), 0x0) program did not crash testing program (duration=1m26.566760892s, {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}}): mmap-prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: mmap(&(0x7f0000000000/0xfbe000)=nil, 0xfbe000, 0xa, 0x31, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, 0x0) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2}, &(0x7f0000000300)) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x3ed4, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x9) timer_settime(0x0, 0x1, &(0x7f0000000040), 0x0) program did not crash testing program (duration=1m26.566760892s, {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}}): mmap-prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: mmap(&(0x7f0000000000/0xfbe000)=nil, 0xfbe000, 0xa, 0x31, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) timer_create(0x0, 0x0, &(0x7f0000000300)) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x3ed4, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x9) timer_settime(0x0, 0x1, &(0x7f0000000040), 0x0) program did not crash testing program (duration=1m26.566760892s, {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}}): mmap-prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: mmap(&(0x7f0000000000/0xfbe000)=nil, 0xfbe000, 0xa, 0x31, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2}, 0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x3ed4, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x9) timer_settime(0x0, 0x1, &(0x7f0000000040), 0x0) program did not crash testing program (duration=1m26.566760892s, {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}}): mmap-prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: mmap(&(0x7f0000000000/0xfbe000)=nil, 0xfbe000, 0xa, 0x31, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2}, &(0x7f0000000300)) fcntl$lock(0xffffffffffffffff, 0x6, 0x0) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x9) timer_settime(0x0, 0x1, &(0x7f0000000040), 0x0) program did not crash testing program (duration=1m26.566760892s, {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}}): mmap-prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: mmap(&(0x7f0000000000/0xfbe000)=nil, 0xfbe000, 0xa, 0x31, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2}, &(0x7f0000000300)) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x3ed4, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x9) timer_settime(0x0, 0x1, 0x0, 0x0) program did not crash extracting C reproducer testing compiled C program (duration=1m26.566760892s, {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}}): mmap-prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime program did not crash simplifying guilty program options testing program (duration=1m26.566760892s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: mmap(&(0x7f0000000000/0xfbe000)=nil, 0xfbe000, 0xa, 0x31, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2}, &(0x7f0000000300)) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x3ed4, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x9) timer_settime(0x0, 0x1, &(0x7f0000000040), 0x0) program did not crash testing program (duration=1m26.566760892s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: mmap(&(0x7f0000000000/0xfbe000)=nil, 0xfbe000, 0xa, 0x31, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2}, &(0x7f0000000300)) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x3ed4, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x9) timer_settime(0x0, 0x1, &(0x7f0000000040), 0x0) program did not crash testing program (duration=1m26.566760892s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: mmap(&(0x7f0000000000/0xfbe000)=nil, 0xfbe000, 0xa, 0x31, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2}, &(0x7f0000000300)) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x3ed4, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x9) timer_settime(0x0, 0x1, &(0x7f0000000040), 0x0) program did not crash validation run: crashed=false testing program (duration=1m26.566760892s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: mmap(&(0x7f0000000000/0xfbe000)=nil, 0xfbe000, 0xa, 0x31, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2}, &(0x7f0000000300)) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x3ed4, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x9) timer_settime(0x0, 0x1, &(0x7f0000000040), 0x0) program did not crash validation run: crashed=false testing program (duration=1m26.566760892s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: mmap(&(0x7f0000000000/0xfbe000)=nil, 0xfbe000, 0xa, 0x31, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2}, &(0x7f0000000300)) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x3ed4, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x9) timer_settime(0x0, 0x1, &(0x7f0000000040), 0x0) program did not crash validation run: crashed=false testing program (duration=1m26.566760892s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: mmap(&(0x7f0000000000/0xfbe000)=nil, 0xfbe000, 0xa, 0x31, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2}, &(0x7f0000000300)) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x3ed4, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x9) timer_settime(0x0, 0x1, &(0x7f0000000040), 0x0) program did not crash validation run: crashed=false testing program (duration=1m26.566760892s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: mmap(&(0x7f0000000000/0xfbe000)=nil, 0xfbe000, 0xa, 0x31, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2}, &(0x7f0000000300)) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x3ed4, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x9) timer_settime(0x0, 0x1, &(0x7f0000000040), 0x0) program crashed: unregister_netdevice: waiting for DEV to become free validation run: crashed=true testing program (duration=1m26.566760892s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: mmap(&(0x7f0000000000/0xfbe000)=nil, 0xfbe000, 0xa, 0x31, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2}, &(0x7f0000000300)) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x3ed4, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x9) timer_settime(0x0, 0x1, &(0x7f0000000040), 0x0) program did not crash validation run: crashed=false testing program (duration=1m26.566760892s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: mmap(&(0x7f0000000000/0xfbe000)=nil, 0xfbe000, 0xa, 0x31, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2}, &(0x7f0000000300)) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x3ed4, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x9) timer_settime(0x0, 0x1, &(0x7f0000000040), 0x0) program did not crash validation run: crashed=false testing program (duration=1m26.566760892s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: mmap(&(0x7f0000000000/0xfbe000)=nil, 0xfbe000, 0xa, 0x31, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2}, &(0x7f0000000300)) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x3ed4, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x9) timer_settime(0x0, 0x1, &(0x7f0000000040), 0x0) program crashed: unregister_netdevice: waiting for DEV to become free validation run: crashed=true testing program (duration=1m26.566760892s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: mmap(&(0x7f0000000000/0xfbe000)=nil, 0xfbe000, 0xa, 0x31, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2}, &(0x7f0000000300)) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x3ed4, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x9) timer_settime(0x0, 0x1, &(0x7f0000000040), 0x0) program did not crash validation run: crashed=false testing program (duration=1m26.566760892s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: mmap(&(0x7f0000000000/0xfbe000)=nil, 0xfbe000, 0xa, 0x31, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2}, &(0x7f0000000300)) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x3ed4, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x9) timer_settime(0x0, 0x1, &(0x7f0000000040), 0x0) program did not crash validation run: crashed=false reproducing took 47m17.921516921s repro crashed as (corrupted=false): unregister_netdevice: waiting for netdevsim1 to become free. Usage count = 2 ref_tracker: netdev@0000000088407612 has 1/1 users at __netdev_tracker_alloc include/linux/netdevice.h:4528 [inline] netdev_tracker_alloc include/linux/netdevice.h:4540 [inline] netdev_get_by_index+0x84/0xdc net/core/dev.c:1049 fib6_nh_init+0x258/0x14f0 net/ipv6/route.c:3615 ip6_route_info_create_nh+0x13c/0x98c net/ipv6/route.c:3914 addrconf_f6i_alloc+0x1e4/0x3b4 net/ipv6/route.c:4718 ipv6_add_addr+0x484/0xdb0 net/ipv6/addrconf.c:1132 addrconf_add_linklocal+0x1e0/0x378 net/ipv6/addrconf.c:3335 addrconf_addr_gen+0x27c/0x2dc net/ipv6/addrconf.c:-1 addrconf_init_auto_addrs+0x390/0x764 net/ipv6/addrconf.c:-1 addrconf_notify+0x774/0xbbc net/ipv6/addrconf.c:3776 notifier_call_chain+0x1a4/0x624 kernel/notifier.c:85 raw_notifier_call_chain+0x3c/0x50 kernel/notifier.c:453 call_netdevice_notifiers_info+0xb8/0x120 net/core/dev.c:2275 call_netdevice_notifiers_extack net/core/dev.c:2313 [inline] call_netdevice_notifiers net/core/dev.c:2327 [inline] __dev_notify_flags+0x288/0x438 net/core/dev.c:9853 netif_change_flags+0xd0/0x15c net/core/dev.c:9882 do_setlink+0xc28/0x31e8 net/core/rtnetlink.c:3266 rtnl_changelink net/core/rtnetlink.c:3905 [inline] __rtnl_newlink net/core/rtnetlink.c:4076 [inline] rtnl_newlink+0xf44/0x138c net/core/rtnetlink.c:4215 netdevsim netdevsim2 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 final repro crashed as (corrupted=false): unregister_netdevice: waiting for netdevsim1 to become free. Usage count = 2 ref_tracker: netdev@0000000088407612 has 1/1 users at __netdev_tracker_alloc include/linux/netdevice.h:4528 [inline] netdev_tracker_alloc include/linux/netdevice.h:4540 [inline] netdev_get_by_index+0x84/0xdc net/core/dev.c:1049 fib6_nh_init+0x258/0x14f0 net/ipv6/route.c:3615 ip6_route_info_create_nh+0x13c/0x98c net/ipv6/route.c:3914 addrconf_f6i_alloc+0x1e4/0x3b4 net/ipv6/route.c:4718 ipv6_add_addr+0x484/0xdb0 net/ipv6/addrconf.c:1132 addrconf_add_linklocal+0x1e0/0x378 net/ipv6/addrconf.c:3335 addrconf_addr_gen+0x27c/0x2dc net/ipv6/addrconf.c:-1 addrconf_init_auto_addrs+0x390/0x764 net/ipv6/addrconf.c:-1 addrconf_notify+0x774/0xbbc net/ipv6/addrconf.c:3776 notifier_call_chain+0x1a4/0x624 kernel/notifier.c:85 raw_notifier_call_chain+0x3c/0x50 kernel/notifier.c:453 call_netdevice_notifiers_info+0xb8/0x120 net/core/dev.c:2275 call_netdevice_notifiers_extack net/core/dev.c:2313 [inline] call_netdevice_notifiers net/core/dev.c:2327 [inline] __dev_notify_flags+0x288/0x438 net/core/dev.c:9853 netif_change_flags+0xd0/0x15c net/core/dev.c:9882 do_setlink+0xc28/0x31e8 net/core/rtnetlink.c:3266 rtnl_changelink net/core/rtnetlink.c:3905 [inline] __rtnl_newlink net/core/rtnetlink.c:4076 [inline] rtnl_newlink+0xf44/0x138c net/core/rtnetlink.c:4215 netdevsim netdevsim2 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0