Extracting prog: 6m6.346608166s
Minimizing prog: 1h58m7.109272664s
Simplifying prog options: 14m5.992533386s
Extracting C: 5m9.820209899s
Simplifying C: 0s


extracting reproducer from 1 programs
testing a last program of every proc
single: executing 1 programs separately with timeout 30s
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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-socket-bind$vsock_stream-listen-connect$vsock_stream-bpf$MAP_CREATE-bpf$MAP_UPDATE_ELEM_TAIL_CALL-timer_create-fcntl$lock-mprotect-timer_settime-setsockopt$sock_timeval
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x4, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4)
r0 = socket(0x28, 0x5, 0x0)
bind$vsock_stream(r0, 0x0, 0x0)
listen(r0, 0x10000008)
connect$vsock_stream(0xffffffffffffffff, 0x0, 0x0)
bpf$MAP_CREATE(0x0, 0x0, 0x48)
bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, 0x0, 0x0)
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=<r1=>0x0)
fcntl$lock(0xffffffffffffffff, 0x7, &(0x7f0000000040)={0x0, 0x0, 0x8000, 0x3ff})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(r1, 0x1, &(0x7f0000000040)={{0x77359400}}, 0x0)
setsockopt$sock_timeval(0xffffffffffffffff, 0x1, 0x14, 0x0, 0x0)

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-socket-bind$vsock_stream-listen-connect$vsock_stream-bpf$MAP_CREATE-bpf$MAP_UPDATE_ELEM_TAIL_CALL-timer_create-fcntl$lock-mprotect-timer_settime-setsockopt$sock_timeval
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x4, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4)
r0 = socket(0x28, 0x5, 0x0)
bind$vsock_stream(r0, 0x0, 0x0)
listen(r0, 0x10000008)
connect$vsock_stream(0xffffffffffffffff, 0x0, 0x0)
bpf$MAP_CREATE(0x0, 0x0, 0x48)
bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, 0x0, 0x0)
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=<r1=>0x0)
fcntl$lock(0xffffffffffffffff, 0x7, &(0x7f0000000040)={0x0, 0x0, 0x8000, 0x3ff})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(r1, 0x1, &(0x7f0000000040)={{0x77359400}}, 0x0)
setsockopt$sock_timeval(0xffffffffffffffff, 0x1, 0x14, 0x0, 0x0)

program crashed: BUG: workqueue lockup
single: successfully extracted reproducer
found reproducer with 13 syscalls
minimizing guilty program
testing program (duration=6m59.538201847s, {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-socket-bind$vsock_stream-listen-connect$vsock_stream-bpf$MAP_CREATE-bpf$MAP_UPDATE_ELEM_TAIL_CALL-timer_create-fcntl$lock-mprotect-timer_settime
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x4, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4)
r0 = socket(0x28, 0x5, 0x0)
bind$vsock_stream(r0, 0x0, 0x0)
listen(r0, 0x10000008)
connect$vsock_stream(0xffffffffffffffff, 0x0, 0x0)
bpf$MAP_CREATE(0x0, 0x0, 0x48)
bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, 0x0, 0x0)
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=<r1=>0x0)
fcntl$lock(0xffffffffffffffff, 0x7, &(0x7f0000000040)={0x0, 0x0, 0x8000, 0x3ff})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(r1, 0x1, &(0x7f0000000040)={{0x77359400}}, 0x0)

program did not crash
testing program (duration=6m59.538201847s, {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-socket-bind$vsock_stream-listen-connect$vsock_stream-bpf$MAP_CREATE-bpf$MAP_UPDATE_ELEM_TAIL_CALL-timer_create-fcntl$lock-mprotect-setsockopt$sock_timeval
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x4, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4)
r0 = socket(0x28, 0x5, 0x0)
bind$vsock_stream(r0, 0x0, 0x0)
listen(r0, 0x10000008)
connect$vsock_stream(0xffffffffffffffff, 0x0, 0x0)
bpf$MAP_CREATE(0x0, 0x0, 0x48)
bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, 0x0, 0x0)
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300))
fcntl$lock(0xffffffffffffffff, 0x7, &(0x7f0000000040)={0x0, 0x0, 0x8000, 0x3ff})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
setsockopt$sock_timeval(0xffffffffffffffff, 0x1, 0x14, 0x0, 0x0)

program did not crash
testing program (duration=6m59.538201847s, {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-socket-bind$vsock_stream-listen-connect$vsock_stream-bpf$MAP_CREATE-bpf$MAP_UPDATE_ELEM_TAIL_CALL-timer_create-fcntl$lock-timer_settime-setsockopt$sock_timeval
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x4, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4)
r0 = socket(0x28, 0x5, 0x0)
bind$vsock_stream(r0, 0x0, 0x0)
listen(r0, 0x10000008)
connect$vsock_stream(0xffffffffffffffff, 0x0, 0x0)
bpf$MAP_CREATE(0x0, 0x0, 0x48)
bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, 0x0, 0x0)
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=<r1=>0x0)
fcntl$lock(0xffffffffffffffff, 0x7, &(0x7f0000000040)={0x0, 0x0, 0x8000, 0x3ff})
timer_settime(r1, 0x1, &(0x7f0000000040)={{0x77359400}}, 0x0)
setsockopt$sock_timeval(0xffffffffffffffff, 0x1, 0x14, 0x0, 0x0)

program did not crash
testing program (duration=6m59.538201847s, {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-socket-bind$vsock_stream-listen-connect$vsock_stream-bpf$MAP_CREATE-bpf$MAP_UPDATE_ELEM_TAIL_CALL-timer_create-mprotect-timer_settime-setsockopt$sock_timeval
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x4, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4)
r0 = socket(0x28, 0x5, 0x0)
bind$vsock_stream(r0, 0x0, 0x0)
listen(r0, 0x10000008)
connect$vsock_stream(0xffffffffffffffff, 0x0, 0x0)
bpf$MAP_CREATE(0x0, 0x0, 0x48)
bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, 0x0, 0x0)
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=<r1=>0x0)
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(r1, 0x1, &(0x7f0000000040)={{0x77359400}}, 0x0)
setsockopt$sock_timeval(0xffffffffffffffff, 0x1, 0x14, 0x0, 0x0)

program did not crash
testing program (duration=6m59.538201847s, {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-socket-bind$vsock_stream-listen-connect$vsock_stream-bpf$MAP_CREATE-bpf$MAP_UPDATE_ELEM_TAIL_CALL-fcntl$lock-mprotect-timer_settime-setsockopt$sock_timeval
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x4, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4)
r0 = socket(0x28, 0x5, 0x0)
bind$vsock_stream(r0, 0x0, 0x0)
listen(r0, 0x10000008)
connect$vsock_stream(0xffffffffffffffff, 0x0, 0x0)
bpf$MAP_CREATE(0x0, 0x0, 0x48)
bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, 0x0, 0x0)
fcntl$lock(0xffffffffffffffff, 0x7, &(0x7f0000000040)={0x0, 0x0, 0x8000, 0x3ff})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(0x0, 0x1, &(0x7f0000000040)={{0x77359400}}, 0x0)
setsockopt$sock_timeval(0xffffffffffffffff, 0x1, 0x14, 0x0, 0x0)

program did not crash
testing program (duration=6m59.538201847s, {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-socket-bind$vsock_stream-listen-connect$vsock_stream-bpf$MAP_CREATE-timer_create-fcntl$lock-mprotect-timer_settime-setsockopt$sock_timeval
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x4, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4)
r0 = socket(0x28, 0x5, 0x0)
bind$vsock_stream(r0, 0x0, 0x0)
listen(r0, 0x10000008)
connect$vsock_stream(0xffffffffffffffff, 0x0, 0x0)
bpf$MAP_CREATE(0x0, 0x0, 0x48)
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=<r1=>0x0)
fcntl$lock(0xffffffffffffffff, 0x7, &(0x7f0000000040)={0x0, 0x0, 0x8000, 0x3ff})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(r1, 0x1, &(0x7f0000000040)={{0x77359400}}, 0x0)
setsockopt$sock_timeval(0xffffffffffffffff, 0x1, 0x14, 0x0, 0x0)

program crashed: BUG: workqueue lockup
testing program (duration=6m59.538201847s, {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-socket-bind$vsock_stream-listen-connect$vsock_stream-timer_create-fcntl$lock-mprotect-timer_settime-setsockopt$sock_timeval
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x4, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4)
r0 = socket(0x28, 0x5, 0x0)
bind$vsock_stream(r0, 0x0, 0x0)
listen(r0, 0x10000008)
connect$vsock_stream(0xffffffffffffffff, 0x0, 0x0)
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=<r1=>0x0)
fcntl$lock(0xffffffffffffffff, 0x7, &(0x7f0000000040)={0x0, 0x0, 0x8000, 0x3ff})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(r1, 0x1, &(0x7f0000000040)={{0x77359400}}, 0x0)
setsockopt$sock_timeval(0xffffffffffffffff, 0x1, 0x14, 0x0, 0x0)

program crashed: BUG: workqueue lockup
testing program (duration=6m59.538201847s, {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-socket-bind$vsock_stream-listen-timer_create-fcntl$lock-mprotect-timer_settime-setsockopt$sock_timeval
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x4, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4)
r0 = socket(0x28, 0x5, 0x0)
bind$vsock_stream(r0, 0x0, 0x0)
listen(r0, 0x10000008)
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=<r1=>0x0)
fcntl$lock(0xffffffffffffffff, 0x7, &(0x7f0000000040)={0x0, 0x0, 0x8000, 0x3ff})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(r1, 0x1, &(0x7f0000000040)={{0x77359400}}, 0x0)
setsockopt$sock_timeval(0xffffffffffffffff, 0x1, 0x14, 0x0, 0x0)

program crashed: BUG: workqueue lockup
testing program (duration=6m59.538201847s, {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-socket-bind$vsock_stream-timer_create-fcntl$lock-mprotect-timer_settime-setsockopt$sock_timeval
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x4, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4)
r0 = socket(0x28, 0x5, 0x0)
bind$vsock_stream(r0, 0x0, 0x0)
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=<r1=>0x0)
fcntl$lock(0xffffffffffffffff, 0x7, &(0x7f0000000040)={0x0, 0x0, 0x8000, 0x3ff})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(r1, 0x1, &(0x7f0000000040)={{0x77359400}}, 0x0)
setsockopt$sock_timeval(0xffffffffffffffff, 0x1, 0x14, 0x0, 0x0)

program crashed: BUG: workqueue lockup
testing program (duration=6m59.538201847s, {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-socket-timer_create-fcntl$lock-mprotect-timer_settime-setsockopt$sock_timeval
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x4, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4)
socket(0x28, 0x5, 0x0)
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=<r0=>0x0)
fcntl$lock(0xffffffffffffffff, 0x7, &(0x7f0000000040)={0x0, 0x0, 0x8000, 0x3ff})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(r0, 0x1, &(0x7f0000000040)={{0x77359400}}, 0x0)
setsockopt$sock_timeval(0xffffffffffffffff, 0x1, 0x14, 0x0, 0x0)

program did not crash
testing program (duration=6m59.538201847s, {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-bind$vsock_stream-timer_create-fcntl$lock-mprotect-timer_settime-setsockopt$sock_timeval
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x4, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4)
bind$vsock_stream(0xffffffffffffffff, 0x0, 0x0)
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=<r0=>0x0)
fcntl$lock(0xffffffffffffffff, 0x7, &(0x7f0000000040)={0x0, 0x0, 0x8000, 0x3ff})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(r0, 0x1, &(0x7f0000000040)={{0x77359400}}, 0x0)
setsockopt$sock_timeval(0xffffffffffffffff, 0x1, 0x14, 0x0, 0x0)

program did not crash
testing program (duration=6m59.538201847s, {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-socket-bind$vsock_stream-timer_create-fcntl$lock-mprotect-timer_settime-setsockopt$sock_timeval
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x4, 0x8b}, 0x0)
r0 = socket(0x28, 0x5, 0x0)
bind$vsock_stream(r0, 0x0, 0x0)
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=<r1=>0x0)
fcntl$lock(0xffffffffffffffff, 0x7, &(0x7f0000000040)={0x0, 0x0, 0x8000, 0x3ff})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(r1, 0x1, &(0x7f0000000040)={{0x77359400}}, 0x0)
setsockopt$sock_timeval(0xffffffffffffffff, 0x1, 0x14, 0x0, 0x0)

program did not crash
testing program (duration=6m59.538201847s, {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-socket-bind$vsock_stream-timer_create-fcntl$lock-mprotect-timer_settime-setsockopt$sock_timeval
detailed listing:
executing program 0:
sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4)
r0 = socket(0x28, 0x5, 0x0)
bind$vsock_stream(r0, 0x0, 0x0)
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=<r1=>0x0)
fcntl$lock(0xffffffffffffffff, 0x7, &(0x7f0000000040)={0x0, 0x0, 0x8000, 0x3ff})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(r1, 0x1, &(0x7f0000000040)={{0x77359400}}, 0x0)
setsockopt$sock_timeval(0xffffffffffffffff, 0x1, 0x14, 0x0, 0x0)

program did not crash
testing program (duration=6m59.538201847s, {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-socket-bind$vsock_stream-timer_create-fcntl$lock-mprotect-timer_settime-setsockopt$sock_timeval
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, 0x0, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4)
r0 = socket(0x28, 0x5, 0x0)
bind$vsock_stream(r0, 0x0, 0x0)
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=<r1=>0x0)
fcntl$lock(0xffffffffffffffff, 0x7, &(0x7f0000000040)={0x0, 0x0, 0x8000, 0x3ff})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(r1, 0x1, &(0x7f0000000040)={{0x77359400}}, 0x0)
setsockopt$sock_timeval(0xffffffffffffffff, 0x1, 0x14, 0x0, 0x0)

program did not crash
testing program (duration=6m59.538201847s, {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-socket-bind$vsock_stream-timer_create-fcntl$lock-mprotect-timer_settime-setsockopt$sock_timeval
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x4, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, 0x0)
r0 = socket(0x28, 0x5, 0x0)
bind$vsock_stream(r0, 0x0, 0x0)
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=<r1=>0x0)
fcntl$lock(0xffffffffffffffff, 0x7, &(0x7f0000000040)={0x0, 0x0, 0x8000, 0x3ff})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(r1, 0x1, &(0x7f0000000040)={{0x77359400}}, 0x0)
setsockopt$sock_timeval(0xffffffffffffffff, 0x1, 0x14, 0x0, 0x0)

program did not crash
testing program (duration=6m59.538201847s, {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-socket-bind$vsock_stream-timer_create-fcntl$lock-mprotect-timer_settime-setsockopt$sock_timeval
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x4, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4)
r0 = socket(0x28, 0x5, 0x0)
bind$vsock_stream(r0, 0x0, 0x0)
timer_create(0x0, 0x0, &(0x7f0000000300)=<r1=>0x0)
fcntl$lock(0xffffffffffffffff, 0x7, &(0x7f0000000040)={0x0, 0x0, 0x8000, 0x3ff})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(r1, 0x1, &(0x7f0000000040)={{0x77359400}}, 0x0)
setsockopt$sock_timeval(0xffffffffffffffff, 0x1, 0x14, 0x0, 0x0)

program did not crash
testing program (duration=6m59.538201847s, {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-socket-bind$vsock_stream-timer_create-fcntl$lock-mprotect-timer_settime-setsockopt$sock_timeval
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x4, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4)
r0 = socket(0x28, 0x5, 0x0)
bind$vsock_stream(r0, 0x0, 0x0)
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, 0x0)
fcntl$lock(0xffffffffffffffff, 0x7, &(0x7f0000000040)={0x0, 0x0, 0x8000, 0x3ff})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(0x0, 0x1, &(0x7f0000000040)={{0x77359400}}, 0x0)
setsockopt$sock_timeval(0xffffffffffffffff, 0x1, 0x14, 0x0, 0x0)

program did not crash
testing program (duration=6m59.538201847s, {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-socket-bind$vsock_stream-timer_create-fcntl$lock-mprotect-timer_settime-setsockopt$sock_timeval
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x4, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4)
r0 = socket(0x28, 0x5, 0x0)
bind$vsock_stream(r0, 0x0, 0x0)
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=<r1=>0x0)
fcntl$lock(0xffffffffffffffff, 0x7, 0x0)
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(r1, 0x1, &(0x7f0000000040)={{0x77359400}}, 0x0)
setsockopt$sock_timeval(0xffffffffffffffff, 0x1, 0x14, 0x0, 0x0)

program did not crash
testing program (duration=6m59.538201847s, {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-socket-bind$vsock_stream-timer_create-fcntl$lock-mprotect-timer_settime-setsockopt$sock_timeval
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x4, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4)
r0 = socket(0x28, 0x5, 0x0)
bind$vsock_stream(r0, 0x0, 0x0)
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=<r1=>0x0)
fcntl$lock(0xffffffffffffffff, 0x7, &(0x7f0000000040)={0x0, 0x0, 0x8000, 0x3ff})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(r1, 0x1, 0x0, 0x0)
setsockopt$sock_timeval(0xffffffffffffffff, 0x1, 0x14, 0x0, 0x0)

program crashed: lost connection to test machine
suppressed program crash: lost connection to test machine
extracting C reproducer
testing compiled C program (duration=6m59.538201847s, {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-socket-bind$vsock_stream-timer_create-fcntl$lock-mprotect-timer_settime-setsockopt$sock_timeval
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
simplifying guilty program options
testing program (duration=6m59.538201847s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-socket-bind$vsock_stream-timer_create-fcntl$lock-mprotect-timer_settime-setsockopt$sock_timeval
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x4, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4)
r0 = socket(0x28, 0x5, 0x0)
bind$vsock_stream(r0, 0x0, 0x0)
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=<r1=>0x0)
fcntl$lock(0xffffffffffffffff, 0x7, &(0x7f0000000040)={0x0, 0x0, 0x8000, 0x3ff})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(r1, 0x1, &(0x7f0000000040)={{0x77359400}}, 0x0)
setsockopt$sock_timeval(0xffffffffffffffff, 0x1, 0x14, 0x0, 0x0)

program did not crash
testing program (duration=6m59.538201847s, {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-socket-bind$vsock_stream-timer_create-fcntl$lock-mprotect-timer_settime-setsockopt$sock_timeval
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x4, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4)
r0 = socket(0x28, 0x5, 0x0)
bind$vsock_stream(r0, 0x0, 0x0)
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=<r1=>0x0)
fcntl$lock(0xffffffffffffffff, 0x7, &(0x7f0000000040)={0x0, 0x0, 0x8000, 0x3ff})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(r1, 0x1, &(0x7f0000000040)={{0x77359400}}, 0x0)
setsockopt$sock_timeval(0xffffffffffffffff, 0x1, 0x14, 0x0, 0x0)

program did not crash
testing program (duration=6m59.538201847s, {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-socket-bind$vsock_stream-timer_create-fcntl$lock-mprotect-timer_settime-setsockopt$sock_timeval
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x4, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4)
r0 = socket(0x28, 0x5, 0x0)
bind$vsock_stream(r0, 0x0, 0x0)
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=<r1=>0x0)
fcntl$lock(0xffffffffffffffff, 0x7, &(0x7f0000000040)={0x0, 0x0, 0x8000, 0x3ff})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(r1, 0x1, &(0x7f0000000040)={{0x77359400}}, 0x0)
setsockopt$sock_timeval(0xffffffffffffffff, 0x1, 0x14, 0x0, 0x0)

program crashed: BUG: workqueue lockup
validation run: crashed=true
testing program (duration=6m59.538201847s, {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-socket-bind$vsock_stream-timer_create-fcntl$lock-mprotect-timer_settime-setsockopt$sock_timeval
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x4, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4)
r0 = socket(0x28, 0x5, 0x0)
bind$vsock_stream(r0, 0x0, 0x0)
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=<r1=>0x0)
fcntl$lock(0xffffffffffffffff, 0x7, &(0x7f0000000040)={0x0, 0x0, 0x8000, 0x3ff})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(r1, 0x1, &(0x7f0000000040)={{0x77359400}}, 0x0)
setsockopt$sock_timeval(0xffffffffffffffff, 0x1, 0x14, 0x0, 0x0)

program crashed: BUG: workqueue lockup
validation run: crashed=true
testing program (duration=6m59.538201847s, {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-socket-bind$vsock_stream-timer_create-fcntl$lock-mprotect-timer_settime-setsockopt$sock_timeval
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x4, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4)
r0 = socket(0x28, 0x5, 0x0)
bind$vsock_stream(r0, 0x0, 0x0)
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=<r1=>0x0)
fcntl$lock(0xffffffffffffffff, 0x7, &(0x7f0000000040)={0x0, 0x0, 0x8000, 0x3ff})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(r1, 0x1, &(0x7f0000000040)={{0x77359400}}, 0x0)
setsockopt$sock_timeval(0xffffffffffffffff, 0x1, 0x14, 0x0, 0x0)

program crashed: BUG: workqueue lockup
validation run: crashed=true
reproducing took 2h37m21.41996006s
repro crashed as (corrupted=false):
RBP: 00007f0d35a15fa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f0d35a16038 R14: 00007fff7daade90 R15: 00007fff7daadf78
 </TASK>
BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 290s!
BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 293s!
Showing busy workqueues and worker pools:
workqueue events: flags=0x0
  pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=4/256 refcnt=5
    pending: kfree_rcu_monitor, psi_avgs_work, rht_deferred_worker, rht_deferred_worker
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=5/256 refcnt=6
    pending: vmstat_shepherd, kfree_rcu_monitor, rht_deferred_worker, rht_deferred_worker, rht_deferred_worker
workqueue events_long: flags=0x0
  pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=4/256 refcnt=5
    pending: br_multicast_gc_work, br_multicast_gc_work, br_multicast_gc_work, br_fdb_cleanup
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=6/256 refcnt=7
    pending: br_multicast_gc_work, br_multicast_gc_work, br_fdb_cleanup, br_fdb_cleanup, br_fdb_cleanup, br_fdb_cleanup
workqueue events_unbound: flags=0x2
  pwq 4: cpus=0-1 flags=0x4 nice=0 active=2/512 refcnt=4
    pending: toggle_allocation_gate, flush_memcg_stats_dwork
workqueue events_power_efficient: flags=0x80
  pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=5/256 refcnt=6
    pending: wg_ratelimiter_gc_entries, neigh_periodic_work, neigh_managed_work, neigh_periodic_work, neigh_managed_work
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=2/256 refcnt=3
    pending: gc_worker, check_lifetime
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=0x0 nice=0 active=1/256 refcnt=2
    in-flight: 395:vmstat_update
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=0x0 nice=0 active=1/256 refcnt=2
    pending: work_fn
workqueue ipv6_addrconf: flags=0x40008
  pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/1 refcnt=4
    pending: addrconf_verify_work
    inactive: addrconf_verify_work, addrconf_verify_work
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/1 refcnt=4
    pending: addrconf_verify_work
    inactive: addrconf_verify_work, addrconf_verify_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 2: cpus=1 node=0 flags=0x0 nice=0 active=2/256 refcnt=3
    in-flight: 506:wg_packet_encrypt_worker
    pending: wg_packet_encrypt_worker
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
    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=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=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=0x0 nice=0 active=1/256 refcnt=2
    pending: wg_packet_encrypt_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=2/256 refcnt=3
    in-flight: 467:wg_packet_encrypt_worker
    pending: wg_packet_encrypt_worker
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
    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=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=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=0x0 nice=0 active=2/256 refcnt=3
    in-flight: 6:wg_packet_encrypt_worker
    pending: wg_packet_encrypt_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=0x0 nice=0 active=2/256 refcnt=3
    in-flight: 19:wg_packet_encrypt_worker
    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=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=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=0x0 nice=0 active=1/256 refcnt=2
    pending: wg_packet_encrypt_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=2/256 refcnt=3
    in-flight: 60:wg_packet_encrypt_worker
    pending: wg_packet_encrypt_worker
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
    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=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=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=0x0 nice=0 active=2/256 refcnt=3
    in-flight: 394:wg_packet_encrypt_worker
    pending: wg_packet_encrypt_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=0x0 nice=0 active=2/256 refcnt=3
    in-flight: 823:wg_packet_encrypt_worker
    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=0x0 nice=0 active=2/256 refcnt=3
    in-flight: 1471:wg_packet_encrypt_worker
    pending: wg_packet_encrypt_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=0x0 nice=0 active=1/256 refcnt=2
    pending: wg_packet_encrypt_worker
pool 0: cpus=0 node=0 flags=0x0 nice=0 hung=291s workers=7 idle: 345
pool 2: cpus=1 node=0 flags=0x0 nice=0 hung=295s workers=5 idle: 418 40

final repro crashed as (corrupted=false):
RBP: 00007f0d35a15fa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f0d35a16038 R14: 00007fff7daade90 R15: 00007fff7daadf78
 </TASK>
BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 290s!
BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 293s!
Showing busy workqueues and worker pools:
workqueue events: flags=0x0
  pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=4/256 refcnt=5
    pending: kfree_rcu_monitor, psi_avgs_work, rht_deferred_worker, rht_deferred_worker
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=5/256 refcnt=6
    pending: vmstat_shepherd, kfree_rcu_monitor, rht_deferred_worker, rht_deferred_worker, rht_deferred_worker
workqueue events_long: flags=0x0
  pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=4/256 refcnt=5
    pending: br_multicast_gc_work, br_multicast_gc_work, br_multicast_gc_work, br_fdb_cleanup
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=6/256 refcnt=7
    pending: br_multicast_gc_work, br_multicast_gc_work, br_fdb_cleanup, br_fdb_cleanup, br_fdb_cleanup, br_fdb_cleanup
workqueue events_unbound: flags=0x2
  pwq 4: cpus=0-1 flags=0x4 nice=0 active=2/512 refcnt=4
    pending: toggle_allocation_gate, flush_memcg_stats_dwork
workqueue events_power_efficient: flags=0x80
  pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=5/256 refcnt=6
    pending: wg_ratelimiter_gc_entries, neigh_periodic_work, neigh_managed_work, neigh_periodic_work, neigh_managed_work
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=2/256 refcnt=3
    pending: gc_worker, check_lifetime
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=0x0 nice=0 active=1/256 refcnt=2
    in-flight: 395:vmstat_update
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=0x0 nice=0 active=1/256 refcnt=2
    pending: work_fn
workqueue ipv6_addrconf: flags=0x40008
  pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/1 refcnt=4
    pending: addrconf_verify_work
    inactive: addrconf_verify_work, addrconf_verify_work
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/1 refcnt=4
    pending: addrconf_verify_work
    inactive: addrconf_verify_work, addrconf_verify_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 2: cpus=1 node=0 flags=0x0 nice=0 active=2/256 refcnt=3
    in-flight: 506:wg_packet_encrypt_worker
    pending: wg_packet_encrypt_worker
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
    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=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=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=0x0 nice=0 active=1/256 refcnt=2
    pending: wg_packet_encrypt_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=2/256 refcnt=3
    in-flight: 467:wg_packet_encrypt_worker
    pending: wg_packet_encrypt_worker
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
    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=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=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=0x0 nice=0 active=2/256 refcnt=3
    in-flight: 6:wg_packet_encrypt_worker
    pending: wg_packet_encrypt_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=0x0 nice=0 active=2/256 refcnt=3
    in-flight: 19:wg_packet_encrypt_worker
    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=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=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=0x0 nice=0 active=1/256 refcnt=2
    pending: wg_packet_encrypt_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=2/256 refcnt=3
    in-flight: 60:wg_packet_encrypt_worker
    pending: wg_packet_encrypt_worker
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
    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=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=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=0x0 nice=0 active=2/256 refcnt=3
    in-flight: 394:wg_packet_encrypt_worker
    pending: wg_packet_encrypt_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=0x0 nice=0 active=2/256 refcnt=3
    in-flight: 823:wg_packet_encrypt_worker
    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=0x0 nice=0 active=2/256 refcnt=3
    in-flight: 1471:wg_packet_encrypt_worker
    pending: wg_packet_encrypt_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=0x0 nice=0 active=1/256 refcnt=2
    pending: wg_packet_encrypt_worker
pool 0: cpus=0 node=0 flags=0x0 nice=0 hung=291s workers=7 idle: 345
pool 2: cpus=1 node=0 flags=0x0 nice=0 hung=295s workers=5 idle: 418 40