Extracting prog: 7m17.421186667s Minimizing prog: 1h23m18.451617662s Simplifying prog options: 0s Extracting C: 5m8.646738348s Simplifying C: 1h6m18.362921421s extracting reproducer from 1 programs testing a last program of every proc single: executing 1 programs separately with timeout 30s testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-gettid-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0xfffffffffffffffe}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x7) r0 = gettid() timer_create(0x1, &(0x7f0000000800)={0x0, 0x21, 0x4, @tid=r0}, &(0x7f0000000000)) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x3ed3, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x9) timer_settime(0x0, 0x1, &(0x7f0000000040), 0x0) program did not crash program did not crash single: failed to extract reproducer single: executing 1 programs separately with timeout 6m0s testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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}}): prlimit64-sched_setscheduler-gettid-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0xfffffffffffffffe}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x7) r0 = gettid() timer_create(0x1, &(0x7f0000000800)={0x0, 0x21, 0x4, @tid=r0}, &(0x7f0000000000)) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x3ed3, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x9) timer_settime(0x0, 0x1, &(0x7f0000000040), 0x0) program crashed: BUG: workqueue lockup single: successfully extracted reproducer found reproducer with 7 syscalls minimizing guilty program testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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}}): prlimit64-sched_setscheduler-gettid-timer_create-fcntl$lock-mprotect detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0xfffffffffffffffe}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x7) r0 = gettid() timer_create(0x1, &(0x7f0000000800)={0x0, 0x21, 0x4, @tid=r0}, &(0x7f0000000000)) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x3ed3, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x9) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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}}): prlimit64-sched_setscheduler-gettid-timer_create-fcntl$lock-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0xfffffffffffffffe}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x7) r0 = gettid() timer_create(0x1, &(0x7f0000000800)={0x0, 0x21, 0x4, @tid=r0}, &(0x7f0000000000)) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x3ed3, 0x5}) timer_settime(0x0, 0x1, &(0x7f0000000040), 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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}}): prlimit64-sched_setscheduler-gettid-timer_create-mprotect-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0xfffffffffffffffe}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x7) r0 = gettid() timer_create(0x1, &(0x7f0000000800)={0x0, 0x21, 0x4, @tid=r0}, &(0x7f0000000000)) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x9) timer_settime(0x0, 0x1, &(0x7f0000000040), 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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}}): prlimit64-sched_setscheduler-gettid-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0xfffffffffffffffe}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x7) gettid() fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x3ed3, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x9) timer_settime(0x0, 0x1, &(0x7f0000000040), 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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}}): prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0xfffffffffffffffe}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x7) timer_create(0x1, &(0x7f0000000800)={0x0, 0x21, 0x4}, &(0x7f0000000000)) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x3ed3, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x9) timer_settime(0x0, 0x1, &(0x7f0000000040), 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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}}): prlimit64-gettid-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0xfffffffffffffffe}, 0x0) r0 = gettid() timer_create(0x1, &(0x7f0000000800)={0x0, 0x21, 0x4, @tid=r0}, &(0x7f0000000000)) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x3ed3, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x9) timer_settime(0x0, 0x1, &(0x7f0000000040), 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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}}): sched_setscheduler-gettid-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x7) r0 = gettid() timer_create(0x1, &(0x7f0000000800)={0x0, 0x21, 0x4, @tid=r0}, &(0x7f0000000000)) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x3ed3, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x9) timer_settime(0x0, 0x1, &(0x7f0000000040), 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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}}): prlimit64-sched_setscheduler-gettid-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, 0x0, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x7) r0 = gettid() timer_create(0x1, &(0x7f0000000800)={0x0, 0x21, 0x4, @tid=r0}, &(0x7f0000000000)) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x3ed3, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x9) timer_settime(0x0, 0x1, &(0x7f0000000040), 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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}}): prlimit64-sched_setscheduler-gettid-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0xfffffffffffffffe}, 0x0) sched_setscheduler(0x0, 0x2, 0x0) r0 = gettid() timer_create(0x1, &(0x7f0000000800)={0x0, 0x21, 0x4, @tid=r0}, &(0x7f0000000000)) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x3ed3, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x9) timer_settime(0x0, 0x1, &(0x7f0000000040), 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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}}): prlimit64-sched_setscheduler-gettid-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0xfffffffffffffffe}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x7) gettid() timer_create(0x1, 0x0, &(0x7f0000000000)) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x3ed3, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x9) timer_settime(0x0, 0x1, &(0x7f0000000040), 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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}}): prlimit64-sched_setscheduler-gettid-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0xfffffffffffffffe}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x7) r0 = gettid() timer_create(0x1, &(0x7f0000000800)={0x0, 0x21, 0x4, @tid=r0}, 0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x3ed3, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x9) timer_settime(0x0, 0x1, &(0x7f0000000040), 0x0) VM was preempted during syz execution: failed to run command in VM: instance is preempted, retrying program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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}}): prlimit64-sched_setscheduler-gettid-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0xfffffffffffffffe}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x7) r0 = gettid() timer_create(0x1, &(0x7f0000000800)={0x0, 0x21, 0x4, @tid=r0}, &(0x7f0000000000)) fcntl$lock(0xffffffffffffffff, 0x6, 0x0) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x9) timer_settime(0x0, 0x1, &(0x7f0000000040), 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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}}): prlimit64-sched_setscheduler-gettid-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0xfffffffffffffffe}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x7) r0 = gettid() timer_create(0x1, &(0x7f0000000800)={0x0, 0x21, 0x4, @tid=r0}, &(0x7f0000000000)) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x3ed3, 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=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: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}}): prlimit64-sched_setscheduler-gettid-timer_create-fcntl$lock-mprotect-timer_settime program crashed: BUG: workqueue lockup simplifying C reproducer testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-gettid-timer_create-fcntl$lock-mprotect-timer_settime program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing compiled C program (duration=6m0s, {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}}): prlimit64-sched_setscheduler-gettid-timer_create-fcntl$lock-mprotect-timer_settime program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-gettid-timer_create-fcntl$lock-mprotect-timer_settime program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-gettid-timer_create-fcntl$lock-mprotect-timer_settime program crashed: BUG: workqueue lockup testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-gettid-timer_create-fcntl$lock-mprotect-timer_settime program crashed: BUG: workqueue lockup testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-gettid-timer_create-fcntl$lock-mprotect-timer_settime program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-gettid-timer_create-fcntl$lock-mprotect-timer_settime program crashed: BUG: workqueue lockup testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-gettid-timer_create-fcntl$lock-mprotect-timer_settime program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-gettid-timer_create-fcntl$lock-mprotect-timer_settime program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-gettid-timer_create-fcntl$lock-mprotect-timer_settime program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-gettid-timer_create-fcntl$lock-mprotect-timer_settime program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-gettid-timer_create-fcntl$lock-mprotect-timer_settime program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-gettid-timer_create-fcntl$lock-mprotect-timer_settime testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-gettid-timer_create-fcntl$lock-mprotect-timer_settime program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-gettid-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0xfffffffffffffffe}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x7) r0 = gettid() timer_create(0x1, &(0x7f0000000800)={0x0, 0x21, 0x4, @tid=r0}, &(0x7f0000000000)) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x3ed3, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x9) timer_settime(0x0, 0x1, &(0x7f0000000040), 0x0) program crashed: no output from test machine validation run: crashed=true testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-gettid-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0xfffffffffffffffe}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x7) r0 = gettid() timer_create(0x1, &(0x7f0000000800)={0x0, 0x21, 0x4, @tid=r0}, &(0x7f0000000000)) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x3ed3, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x9) timer_settime(0x0, 0x1, &(0x7f0000000040), 0x0) program crashed: BUG: workqueue lockup validation run: crashed=true testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-gettid-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0xfffffffffffffffe}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x7) r0 = gettid() timer_create(0x1, &(0x7f0000000800)={0x0, 0x21, 0x4, @tid=r0}, &(0x7f0000000000)) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x3ed3, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x9) timer_settime(0x0, 0x1, &(0x7f0000000040), 0x0) program crashed: BUG: workqueue lockup validation run: crashed=true reproducing took 2h53m19.107049319s repro crashed as (corrupted=false): BUG: workqueue lockup - pool cpus=0-1 flags=0x4 nice=0 stuck for 150s! Showing busy workqueues and worker pools: workqueue events: flags=0x0 pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 in-flight: 363:kfree_rcu_monitor pwq 0: cpus=0 node=0 flags=0x1 nice=0 active=2/256 refcnt=3 pending: psi_avgs_work, vmstat_shepherd workqueue events_unbound: flags=0x2 pwq 4: cpus=0-1 flags=0x4 nice=0 active=4/512 refcnt=6 in-flight: 323:linkwatch_event, 332:fsnotify_mark_destroy_workfn, 7:fsnotify_connector_destroy_workfn pending: toggle_allocation_gate workqueue events_power_efficient: flags=0x80 pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=4/256 refcnt=5 pending: wg_ratelimiter_gc_entries, neigh_periodic_work, gc_worker, check_lifetime pwq 0: cpus=0 node=0 flags=0x1 nice=0 active=1/256 refcnt=2 pending: neigh_periodic_work workqueue rcu_gp: flags=0x8 pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=2/256 refcnt=3 pending: srcu_invoke_callbacks, process_srcu workqueue mm_percpu_wq: flags=0x8 pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 pending: vmstat_update pwq 0: cpus=0 node=0 flags=0x1 nice=0 active=1/256 refcnt=4 MAYDAY pending: vmstat_update workqueue netns: flags=0xe000a pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/1 refcnt=4 in-flight: 48:cleanup_net delayed: cleanup_net workqueue writeback: flags=0x4a pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 pending: wb_workfn workqueue dm_bufio_cache: flags=0x8 pwq 0: cpus=0 node=0 flags=0x1 nice=0 active=1/256 refcnt=4 MAYDAY pending: work_fn workqueue ipv6_addrconf: flags=0x40008 pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/1 refcnt=130 in-flight: 53:addrconf_dad_work delayed: addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work , addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work , addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_verify_work pwq 0: cpus=0 node=0 flags=0x1 nice=0 active=1/1 refcnt=101 MAYDAY in-flight: 54(RESCUER):addrconf_dad_work delayed: addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work , addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work workqueue wg-kex-wg0: flags=0x6 pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 pending: wg_packet_handshake_send_worker workqueue wg-crypt-wg0: flags=0x28 pwq 0: cpus=0 node=0 flags=0x1 nice=0 active=1/256 refcnt=4 MAYDAY in-flight: 321(RESCUER):wg_packet_encrypt_worker workqueue wg-kex-wg1: flags=0x6 pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 pending: wg_packet_handshake_send_worker workqueue wg-crypt-wg1: flags=0x28 pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 pending: wg_packet_encrypt_worker workqueue wg-kex-wg2: flags=0x6 pwq 4: cpus=0-1 flags=0x4 nice=0 active=2/256 refcnt=4 pending: wg_packet_handshake_send_worker, wg_packet_handshake_send_worker workqueue wg-kex-wg0: flags=0x6 pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 pending: wg_packet_handshake_send_worker workqueue wg-crypt-wg0: flags=0x28 pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 pending: wg_packet_encrypt_worker pwq 0: cpus=0 node=0 flags=0x1 nice=0 active=1/256 refcnt=4 MAYDAY pending: wg_packet_encrypt_worker workqueue wg-kex-wg1: flags=0x6 pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 pending: wg_packet_handshake_send_worker workqueue wg-crypt-wg1: flags=0x28 pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 pending: wg_packet_encrypt_worker pwq 0: cpus=0 node=0 flags=0x1 nice=0 active=3/256 refcnt=6 MAYDAY in-flight: 377(RESCUER):wg_packet_encrypt_worker pending: wg_packet_tx_worker, wg_packet_encrypt_worker workqueue wg-crypt-wg2: flags=0x28 pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 pending: wg_packet_encrypt_worker pwq 0: cpus=0 node=0 flags=0x1 nice=0 active=3/256 refcnt=6 MAYDAY in-flight: 378(RESCUER):wg_packet_encrypt_worker pending: wg_packet_encrypt_worker, wg_packet_tx_worker workqueue wg-kex-wg0: flags=0x24 pwq 0: cpus=0 node=0 flags=0x1 nice=0 active=1/256 refcnt=2 in-flight: 359:wg_packet_handshake_receive_worker workqueue wg-kex-wg0: flags=0x6 pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 pending: wg_packet_handshake_send_worker workqueue wg-kex-wg1: flags=0x24 pwq 0: cpus=0 node=0 flags=0x1 nice=0 active=1/256 refcnt=2 in-flight: 15:wg_packet_handshake_receive_worker workqueue wg-kex-wg1: flags=0x6 pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 pending: wg_packet_handshake_send_worker workqueue wg-crypt-wg1: flags=0x28 pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 pending: wg_packet_encrypt_worker pwq 0: cpus=0 node=0 flags=0x1 nice=0 active=1/256 refcnt=2 in-flight: 5:wg_packet_encrypt_worker workqueue wg-kex-wg2: flags=0x24 pwq 0: cpus=0 node=0 flags=0x1 nice=0 active=1/256 refcnt=2 in-flight: 360:wg_packet_handshake_receive_worker workqueue wg-kex-wg2: flags=0x6 pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 pending: wg_packet_handshake_send_worker workqueue wg-crypt-wg2: flags=0x28 pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 pending: wg_packet_encrypt_worker pwq 0: cpus=0 node=0 flags=0x1 nice=0 active=1/256 refcnt=2 in-flight: 362:wg_packet_encrypt_worker pool 0: cpus=0 node=0 flags=0x1 nice=0 hung=23s workers=6 manager: 361 pool 2: cpus=1 node=0 flags=0x0 nice=0 hung=27s workers=4 idle: 25 20 pool 4: cpus=0-1 flags=0x4 nice=0 hung=151s workers=6 idle: 358 9 final repro crashed as (corrupted=false): BUG: workqueue lockup - pool cpus=0-1 flags=0x4 nice=0 stuck for 150s! Showing busy workqueues and worker pools: workqueue events: flags=0x0 pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 in-flight: 363:kfree_rcu_monitor pwq 0: cpus=0 node=0 flags=0x1 nice=0 active=2/256 refcnt=3 pending: psi_avgs_work, vmstat_shepherd workqueue events_unbound: flags=0x2 pwq 4: cpus=0-1 flags=0x4 nice=0 active=4/512 refcnt=6 in-flight: 323:linkwatch_event, 332:fsnotify_mark_destroy_workfn, 7:fsnotify_connector_destroy_workfn pending: toggle_allocation_gate workqueue events_power_efficient: flags=0x80 pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=4/256 refcnt=5 pending: wg_ratelimiter_gc_entries, neigh_periodic_work, gc_worker, check_lifetime pwq 0: cpus=0 node=0 flags=0x1 nice=0 active=1/256 refcnt=2 pending: neigh_periodic_work workqueue rcu_gp: flags=0x8 pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=2/256 refcnt=3 pending: srcu_invoke_callbacks, process_srcu workqueue mm_percpu_wq: flags=0x8 pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 pending: vmstat_update pwq 0: cpus=0 node=0 flags=0x1 nice=0 active=1/256 refcnt=4 MAYDAY pending: vmstat_update workqueue netns: flags=0xe000a pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/1 refcnt=4 in-flight: 48:cleanup_net delayed: cleanup_net workqueue writeback: flags=0x4a pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 pending: wb_workfn workqueue dm_bufio_cache: flags=0x8 pwq 0: cpus=0 node=0 flags=0x1 nice=0 active=1/256 refcnt=4 MAYDAY pending: work_fn workqueue ipv6_addrconf: flags=0x40008 pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/1 refcnt=130 in-flight: 53:addrconf_dad_work delayed: addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work , addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work , addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_verify_work pwq 0: cpus=0 node=0 flags=0x1 nice=0 active=1/1 refcnt=101 MAYDAY in-flight: 54(RESCUER):addrconf_dad_work delayed: addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work , addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work workqueue wg-kex-wg0: flags=0x6 pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 pending: wg_packet_handshake_send_worker workqueue wg-crypt-wg0: flags=0x28 pwq 0: cpus=0 node=0 flags=0x1 nice=0 active=1/256 refcnt=4 MAYDAY in-flight: 321(RESCUER):wg_packet_encrypt_worker workqueue wg-kex-wg1: flags=0x6 pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 pending: wg_packet_handshake_send_worker workqueue wg-crypt-wg1: flags=0x28 pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 pending: wg_packet_encrypt_worker workqueue wg-kex-wg2: flags=0x6 pwq 4: cpus=0-1 flags=0x4 nice=0 active=2/256 refcnt=4 pending: wg_packet_handshake_send_worker, wg_packet_handshake_send_worker workqueue wg-kex-wg0: flags=0x6 pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 pending: wg_packet_handshake_send_worker workqueue wg-crypt-wg0: flags=0x28 pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 pending: wg_packet_encrypt_worker pwq 0: cpus=0 node=0 flags=0x1 nice=0 active=1/256 refcnt=4 MAYDAY pending: wg_packet_encrypt_worker workqueue wg-kex-wg1: flags=0x6 pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 pending: wg_packet_handshake_send_worker workqueue wg-crypt-wg1: flags=0x28 pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 pending: wg_packet_encrypt_worker pwq 0: cpus=0 node=0 flags=0x1 nice=0 active=3/256 refcnt=6 MAYDAY in-flight: 377(RESCUER):wg_packet_encrypt_worker pending: wg_packet_tx_worker, wg_packet_encrypt_worker workqueue wg-crypt-wg2: flags=0x28 pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 pending: wg_packet_encrypt_worker pwq 0: cpus=0 node=0 flags=0x1 nice=0 active=3/256 refcnt=6 MAYDAY in-flight: 378(RESCUER):wg_packet_encrypt_worker pending: wg_packet_encrypt_worker, wg_packet_tx_worker workqueue wg-kex-wg0: flags=0x24 pwq 0: cpus=0 node=0 flags=0x1 nice=0 active=1/256 refcnt=2 in-flight: 359:wg_packet_handshake_receive_worker workqueue wg-kex-wg0: flags=0x6 pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 pending: wg_packet_handshake_send_worker workqueue wg-kex-wg1: flags=0x24 pwq 0: cpus=0 node=0 flags=0x1 nice=0 active=1/256 refcnt=2 in-flight: 15:wg_packet_handshake_receive_worker workqueue wg-kex-wg1: flags=0x6 pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 pending: wg_packet_handshake_send_worker workqueue wg-crypt-wg1: flags=0x28 pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 pending: wg_packet_encrypt_worker pwq 0: cpus=0 node=0 flags=0x1 nice=0 active=1/256 refcnt=2 in-flight: 5:wg_packet_encrypt_worker workqueue wg-kex-wg2: flags=0x24 pwq 0: cpus=0 node=0 flags=0x1 nice=0 active=1/256 refcnt=2 in-flight: 360:wg_packet_handshake_receive_worker workqueue wg-kex-wg2: flags=0x6 pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 pending: wg_packet_handshake_send_worker workqueue wg-crypt-wg2: flags=0x28 pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 pending: wg_packet_encrypt_worker pwq 0: cpus=0 node=0 flags=0x1 nice=0 active=1/256 refcnt=2 in-flight: 362:wg_packet_encrypt_worker pool 0: cpus=0 node=0 flags=0x1 nice=0 hung=23s workers=6 manager: 361 pool 2: cpus=1 node=0 flags=0x0 nice=0 hung=27s workers=4 idle: 25 20 pool 4: cpus=0-1 flags=0x4 nice=0 hung=151s workers=6 idle: 358 9