Extracting prog: 6m46.274079244s
Minimizing prog: 58m27.819508311s
Simplifying prog options: 0s
Extracting C: 2m14.588072319s
Simplifying C: 48m8.12766127s


extracting reproducer from 1 programs
testing a last program of every proc
single: executing 1 programs separately with timeout 30s
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): gettid-prlimit64-sched_setscheduler-timer_create-timer_settime
detailed listing:
executing program 0:
gettid()
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4)
timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, &(0x7f0000000100))
timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x989680}}, 0x0)

program did not crash
program did not crash
single: failed to extract reproducer
single: executing 1 programs separately with timeout 1m40s
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): gettid-prlimit64-sched_setscheduler-timer_create-timer_settime
detailed listing:
executing program 0:
gettid()
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4)
timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, &(0x7f0000000100))
timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x989680}}, 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): gettid-prlimit64-sched_setscheduler-timer_create-timer_settime
detailed listing:
executing program 0:
gettid()
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4)
timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, &(0x7f0000000100))
timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x989680}}, 0x0)

program crashed: INFO: rcu detected stall in corrupted
single: successfully extracted reproducer
found reproducer with 5 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): gettid-prlimit64-sched_setscheduler-timer_create
detailed listing:
executing program 0:
gettid()
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4)
timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, &(0x7f0000000100))

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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): gettid-prlimit64-sched_setscheduler-timer_settime
detailed listing:
executing program 0:
gettid()
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4)
timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x989680}}, 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): gettid-prlimit64-timer_create-timer_settime
detailed listing:
executing program 0:
gettid()
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, &(0x7f0000000100))
timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x989680}}, 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): gettid-sched_setscheduler-timer_create-timer_settime
detailed listing:
executing program 0:
gettid()
sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4)
timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, &(0x7f0000000100))
timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x989680}}, 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4)
timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, &(0x7f0000000100))
timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x989680}}, 0x0)

program crashed: INFO: rcu detected stall in corrupted
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, 0x0, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4)
timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, &(0x7f0000000100))
timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x989680}}, 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, 0x0)
timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, &(0x7f0000000100))
timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x989680}}, 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4)
timer_create(0x0, 0x0, &(0x7f0000000100))
timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x989680}}, 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4)
timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, 0x0)
timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x989680}}, 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4)
timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, &(0x7f0000000100))
timer_settime(0x0, 0x0, 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime
program crashed: INFO: rcu detected stall in corrupted
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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-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:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime
program crashed: INFO: rcu detected stall in gc_worker
a never seen crash title: INFO: rcu detected stall in gc_worker, ignore
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:false NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime
program crashed: BUG: workqueue lockup
a never seen crash title: BUG: workqueue lockup, ignore
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:false Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime
program crashed: INFO: rcu detected stall in mld_ifc_work
a never seen crash title: INFO: rcu detected stall in mld_ifc_work, ignore
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:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime
program crashed: INFO: rcu detected stall in corrupted
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:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime
program crashed: INFO: rcu detected stall in corrupted
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:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime
program crashed: INFO: rcu detected stall in corrupted
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:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime
program crashed: INFO: rcu detected stall in handle_mm_fault
a never seen crash title: INFO: rcu detected stall in handle_mm_fault, ignore
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:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime
program crashed: BUG: workqueue lockup
a never seen crash title: BUG: workqueue lockup, ignore
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:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:true IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime
program crashed: INFO: rcu detected stall in corrupted
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:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:true IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-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:true NetDevices:true NetReset:true Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:true IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime
program crashed: INFO: rcu detected stall in corrupted
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:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:true IEEE802154:false Sysctl:false Swap:true UseTmpDir:true HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime
program crashed: INFO: rcu detected stall in corrupted
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:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:true IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime
program crashed: INFO: rcu detected stall in corrupted
reproducing took 1h55m36.809396034s
repro crashed as (corrupted=true):
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
	(detected by 0, t=10502 jiffies, g=19265, q=115 ncpus=2)
rcu: All QSes seen, last rcu_preempt kthread activity 10500 (4294961020-4294950520), jiffies_till_next_fqs=1, root ->qsmask 0x0
rcu: rcu_preempt kthread starved for 10500 jiffies! g19265 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
rcu: 	Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_preempt     state:R  running task     stack:0     pid:16    ppid:2      flags:0x00000008
Call trace:
 __switch_to+0x2f4/0x568 arch/arm64/kernel/process.c:555
 context_switch kernel/sched/core.c:5244 [inline]
 __schedule+0xdd4/0x1b2c kernel/sched/core.c:6561
 schedule+0xc4/0x170 kernel/sched/core.c:6637
 schedule_timeout+0x180/0x2c8 kernel/time/timer.c:1965
 rcu_gp_fqs_loop+0x2a8/0x134c kernel/rcu/tree.c:1706
 rcu_gp_kthread+0xc0/0x2f8 kernel/rcu/tree.c:1905
 kthread+0x250/0x2d8 kernel/kthread.c:376
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:864
rcu: Stack dump where RCU GP kthread last ran:
Task dump for CPU 1:
task:syz-executor335 state:R  running task     stack:0     pid:21891 ppid:4305   flags:0x00000001
Call trace:
 __switch_to+0x2f4/0x568 arch/arm64/kernel/process.c:555
 0xffff0000e82d41dc

report is corrupted, running repro again
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:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:true IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime
program crashed: BUG: workqueue lockup
final repro crashed as (corrupted=false):
BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 50s!
BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 50s!
BUG: workqueue lockup - pool cpus=0-1 flags=0x4 nice=0 stuck for 50s!
BUG: workqueue lockup - pool cpus=0-1 flags=0x4 nice=-20 stuck for 49s!
Showing busy workqueues and worker pools:
workqueue events: flags=0x0
  pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=9/256 refcnt=10
    in-flight: 24:nsim_fib_event_work nsim_fib_event_work, 4322:nsim_fib_event_work nsim_fib_event_work
    pending: nsim_dev_hwstats_traffic_work, nsim_dev_hwstats_traffic_work, nsim_dev_hwstats_traffic_work, nsim_dev_hwstats_traffic_work, nsim_dev_hwstats_traffic_work
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=14/256 refcnt=15
    in-flight: 4362:nsim_fib_event_work nsim_fib_event_work, 14:nsim_fib_event_work nsim_fib_event_work, 111:nsim_fib_event_work nsim_fib_event_work
    pending: kfree_rcu_work, vmstat_shepherd, rht_deferred_worker, psi_avgs_work, ovs_dp_masks_rebalance, ovs_dp_masks_rebalance, ovs_dp_masks_rebalance, ovs_dp_masks_rebalance
workqueue events_long: flags=0x0
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=3/256 refcnt=4
    pending: defense_work_handler, defense_work_handler, defense_work_handler
workqueue events_unbound: flags=0x2
  pwq 4: cpus=0-1 flags=0x4 nice=0 active=11/512 refcnt=13
    pending: nsim_dev_trap_report_work, nsim_dev_trap_report_work, nsim_dev_trap_report_work, toggle_allocation_gate, nsim_dev_trap_report_work, nsim_dev_trap_report_work, macvlan_process_broadcast, macvlan_process_broadcast, macvlan_process_broadcast, macvlan_process_broadcast, macvlan_process_broadcast
workqueue events_power_efficient: flags=0x82
  pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3
    pending: gc_worker
workqueue mm_percpu_wq: flags=0x8
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
    pending: vmstat_update
workqueue mld: flags=0x40008
  pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/1 refcnt=38
    pending: mld_dad_work
    inactive: mld_dad_work, mld_dad_work, mld_dad_work, mld_dad_work, mld_dad_work, mld_dad_work, mld_dad_work, mld_dad_work, mld_ifc_work, mld_ifc_work, mld_dad_work, mld_dad_work, mld_dad_work, mld_dad_work, mld_dad_work, mld_dad_work, mld_dad_work, mld_dad_work, mld_dad_work, mld_dad_work, mld_dad_work, mld_dad_work, mld_ifc_work, mld_dad_work, mld_dad_work, mld_dad_work, mld_dad_work, mld_dad_work, mld_dad_work, mld_dad_work, mld_dad_work, mld_dad_work, mld_dad_work, mld_dad_work, mld_dad_work, mld_dad_work
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/1 refcnt=46
    pending: mld_ifc_work
    inactive: mld_dad_work, mld_ifc_work, mld_dad_work, mld_dad_work, mld_dad_work, mld_dad_work, mld_dad_work, mld_ifc_work, mld_ifc_work, mld_dad_work, mld_dad_work, mld_dad_work, mld_dad_work, mld_dad_work, mld_dad_work, mld_ifc_work, mld_dad_work, mld_dad_work, mld_ifc_work, mld_dad_work, mld_dad_work, mld_ifc_work, mld_dad_work, mld_dad_work, mld_dad_work, mld_dad_work, mld_dad_work, mld_dad_work, mld_dad_work, mld_dad_work, mld_dad_work, mld_dad_work, mld_dad_work, mld_dad_work, mld_dad_work, mld_dad_work, mld_dad_work, mld_dad_work, mld_dad_work, mld_dad_work, mld_dad_work, mld_dad_work, mld_dad_work, mld_dad_work
workqueue ipv6_addrconf: flags=0x40008
  pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/1 refcnt=45
    pending: addrconf_dad_work
    inactive: addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/1 refcnt=87
    pending: addrconf_dad_work
    inactive: addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work
, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_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
workqueue krxrpcd: flags=0x0
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/1 refcnt=5
    pending: rxrpc_peer_keepalive_worker
    inactive: rxrpc_peer_keepalive_worker, rxrpc_peer_keepalive_worker, rxrpc_peer_keepalive_worker
workqueue bat_events: flags=0xe000a
  pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/1 refcnt=30
    in-flight: 292:batadv_tt_purge
    inactive: batadv_nc_worker, batadv_nc_worker, batadv_nc_worker, batadv_nc_worker, batadv_nc_worker, batadv_mcast_mla_update, batadv_iv_send_outstanding_bat_ogm_packet, batadv_purge_orig, batadv_iv_send_outstanding_bat_ogm_packet, batadv_iv_send_outstanding_bat_ogm_packet, batadv_mcast_mla_update, batadv_iv_send_outstanding_bat_ogm_packet, batadv_purge_orig, batadv_tt_purge, batadv_mcast_mla_update, batadv_iv_send_outstanding_bat_ogm_packet, batadv_iv_send_outstanding_bat_ogm_packet, batadv_purge_orig, batadv_iv_send_outstanding_bat_ogm_packet, batadv_mcast_mla_update, batadv_iv_send_outstanding_bat_ogm_packet, batadv_iv_send_outstanding_bat_ogm_packet, batadv_iv_send_outstanding_bat_ogm_packet, batadv_mcast_mla_update, batadv_iv_send_outstanding_bat_ogm_packet, batadv_dat_purge, batadv_bla_periodic_work
workqueue hci0: flags=0xa0012
  pwq 5: cpus=0-1 flags=0x4 nice=-20 active=1/1 refcnt=3
    pending: hci_cmd_timeout
workqueue hci1: flags=0xa0012
  pwq 5: cpus=0-1 flags=0x4 nice=-20 active=1/1 refcnt=3
    pending: hci_cmd_timeout
workqueue hci2: flags=0xa0012
  pwq 5: cpus=0-1 flags=0x4 nice=-20 active=1/1 refcnt=3
    pending: hci_cmd_timeout
workqueue hci3: flags=0xa0012
  pwq 5: cpus=0-1 flags=0x4 nice=-20 active=1/1 refcnt=3
    pending: hci_cmd_timeout
workqueue hci4: flags=0xa0012
  pwq 5: cpus=0-1 flags=0x4 nice=-20 active=1/1 refcnt=3
    pending: hci_cmd_timeout
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=0x0 nice=0 active=1/256 refcnt=2
    pending: wg_packet_encrypt_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-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=1/256 refcnt=2
    pending: wg_packet_encrypt_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-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-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=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=2/256 refcnt=3
    pending: wg_packet_decrypt_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=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=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-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-crypt-wg0: flags=0x28
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
    pending: wg_packet_encrypt_worker
workqueue phy3: flags=0xa0002
  pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/1 refcnt=3
    pending: ieee80211_iface_work
workqueue phy4: flags=0xa0002
  pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/1 refcnt=3
    pending: ieee80211_iface_work
workqueue phy5: flags=0xa0002
  pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/1 refcnt=3
    pending: ieee80211_iface_work
workqueue phy6: flags=0xa0002
  pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/1 refcnt=3
    pending: ieee80211_iface_work
workqueue phy7: flags=0xa0002
  pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/1 refcnt=3
    pending: ieee80211_iface_work
workqueue phy8: flags=0xa0002
  pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/1 refcnt=3
    pending: ieee80211_iface_work
workqueue phy9: flags=0xa0002
  pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/1 refcnt=3
    pending: ieee80211_iface_work
workqueue phy10: flags=0xa0002
  pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/1 refcnt=3
    pending: ieee80211_iface_work
workqueue phy11: flags=0xa0002
  pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/1 refcnt=3
    pending: ieee80211_iface_work
workqueue phy12: flags=0xa0002
  pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/1 refcnt=3
    pending: ieee80211_iface_work
pool 0: cpus=0 node=0 flags=0x0 nice=0 hung=51s workers=8 idle: 4403 4365 4363 7 4366
pool 2: cpus=1 node=0 flags=0x0 nice=0 hung=50s workers=6 idle: 4364 1516 3876 22
pool 4: cpus=0-1 flags=0x4 nice=0 hung=50s workers=7 idle: 131 9 39 1615 1657 11