Extracting prog: 4m7.577205764s
Minimizing prog: 25m23.041640161s
Simplifying prog options: 0s
Extracting C: 1m25.574651062s
Simplifying C: 25m48.382881795s


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}}): sendmsg$nl_netfilter-open-prlimit64-sched_setscheduler-timer_create-timer_settime-sendmsg$TIPC_CMD_SHOW_NAME_TABLE-socket$nl_route
detailed listing:
executing program 0:
sendmsg$nl_netfilter(0xffffffffffffffff, 0x0, 0x0)
open(&(0x7f0000000140)='./file0\x00', 0x2, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000040)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4)
timer_create(0x0, &(0x7f0000000680)={0x0, 0x21, 0x0, @tid=0xffffffffffffffff}, &(0x7f0000000100))
timer_settime(0x0, 0x0, &(0x7f0000000380)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)
sendmsg$TIPC_CMD_SHOW_NAME_TABLE(0xffffffffffffffff, 0x0, 0x20000010)
socket$nl_route(0x10, 0x3, 0x0)

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}}): sendmsg$nl_netfilter-open-prlimit64-sched_setscheduler-timer_create-timer_settime-sendmsg$TIPC_CMD_SHOW_NAME_TABLE-socket$nl_route
detailed listing:
executing program 0:
sendmsg$nl_netfilter(0xffffffffffffffff, 0x0, 0x0)
open(&(0x7f0000000140)='./file0\x00', 0x2, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000040)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4)
timer_create(0x0, &(0x7f0000000680)={0x0, 0x21, 0x0, @tid=0xffffffffffffffff}, &(0x7f0000000100))
timer_settime(0x0, 0x0, &(0x7f0000000380)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)
sendmsg$TIPC_CMD_SHOW_NAME_TABLE(0xffffffffffffffff, 0x0, 0x20000010)
socket$nl_route(0x10, 0x3, 0x0)

program crashed: BUG: workqueue lockup
single: successfully extracted reproducer
found reproducer with 8 syscalls
minimizing guilty program
testing program (duration=1m46.279714377s, {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}}): sendmsg$nl_netfilter-open-prlimit64-sched_setscheduler-timer_create-timer_settime-sendmsg$TIPC_CMD_SHOW_NAME_TABLE
detailed listing:
executing program 0:
sendmsg$nl_netfilter(0xffffffffffffffff, 0x0, 0x0)
open(&(0x7f0000000140)='./file0\x00', 0x2, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000040)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4)
timer_create(0x0, &(0x7f0000000680)={0x0, 0x21, 0x0, @tid=0xffffffffffffffff}, &(0x7f0000000100))
timer_settime(0x0, 0x0, &(0x7f0000000380)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)
sendmsg$TIPC_CMD_SHOW_NAME_TABLE(0xffffffffffffffff, 0x0, 0x20000010)

program did not crash
testing program (duration=1m46.279714377s, {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}}): sendmsg$nl_netfilter-open-prlimit64-sched_setscheduler-timer_create-timer_settime-socket$nl_route
detailed listing:
executing program 0:
sendmsg$nl_netfilter(0xffffffffffffffff, 0x0, 0x0)
open(&(0x7f0000000140)='./file0\x00', 0x2, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000040)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4)
timer_create(0x0, &(0x7f0000000680)={0x0, 0x21, 0x0, @tid=0xffffffffffffffff}, &(0x7f0000000100))
timer_settime(0x0, 0x0, &(0x7f0000000380)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)
socket$nl_route(0x10, 0x3, 0x0)

program did not crash
testing program (duration=1m46.279714377s, {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}}): sendmsg$nl_netfilter-open-prlimit64-sched_setscheduler-timer_create-sendmsg$TIPC_CMD_SHOW_NAME_TABLE-socket$nl_route
detailed listing:
executing program 0:
sendmsg$nl_netfilter(0xffffffffffffffff, 0x0, 0x0)
open(&(0x7f0000000140)='./file0\x00', 0x2, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000040)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4)
timer_create(0x0, &(0x7f0000000680)={0x0, 0x21, 0x0, @tid=0xffffffffffffffff}, &(0x7f0000000100))
sendmsg$TIPC_CMD_SHOW_NAME_TABLE(0xffffffffffffffff, 0x0, 0x20000010)
socket$nl_route(0x10, 0x3, 0x0)

program did not crash
testing program (duration=1m46.279714377s, {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}}): sendmsg$nl_netfilter-open-prlimit64-sched_setscheduler-timer_settime-sendmsg$TIPC_CMD_SHOW_NAME_TABLE-socket$nl_route
detailed listing:
executing program 0:
sendmsg$nl_netfilter(0xffffffffffffffff, 0x0, 0x0)
open(&(0x7f0000000140)='./file0\x00', 0x2, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000040)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4)
timer_settime(0x0, 0x0, &(0x7f0000000380)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)
sendmsg$TIPC_CMD_SHOW_NAME_TABLE(0xffffffffffffffff, 0x0, 0x20000010)
socket$nl_route(0x10, 0x3, 0x0)

program did not crash
testing program (duration=1m46.279714377s, {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}}): sendmsg$nl_netfilter-open-prlimit64-timer_create-timer_settime-sendmsg$TIPC_CMD_SHOW_NAME_TABLE-socket$nl_route
detailed listing:
executing program 0:
sendmsg$nl_netfilter(0xffffffffffffffff, 0x0, 0x0)
open(&(0x7f0000000140)='./file0\x00', 0x2, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000040)={0x8, 0x8b}, 0x0)
timer_create(0x0, &(0x7f0000000680)={0x0, 0x21, 0x0, @tid=0xffffffffffffffff}, &(0x7f0000000100))
timer_settime(0x0, 0x0, &(0x7f0000000380)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)
sendmsg$TIPC_CMD_SHOW_NAME_TABLE(0xffffffffffffffff, 0x0, 0x20000010)
socket$nl_route(0x10, 0x3, 0x0)

program did not crash
testing program (duration=1m46.279714377s, {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}}): sendmsg$nl_netfilter-open-sched_setscheduler-timer_create-timer_settime-sendmsg$TIPC_CMD_SHOW_NAME_TABLE-socket$nl_route
detailed listing:
executing program 0:
sendmsg$nl_netfilter(0xffffffffffffffff, 0x0, 0x0)
open(&(0x7f0000000140)='./file0\x00', 0x2, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4)
timer_create(0x0, &(0x7f0000000680)={0x0, 0x21, 0x0, @tid=0xffffffffffffffff}, &(0x7f0000000100))
timer_settime(0x0, 0x0, &(0x7f0000000380)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)
sendmsg$TIPC_CMD_SHOW_NAME_TABLE(0xffffffffffffffff, 0x0, 0x20000010)
socket$nl_route(0x10, 0x3, 0x0)

program did not crash
testing program (duration=1m46.279714377s, {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}}): sendmsg$nl_netfilter-prlimit64-sched_setscheduler-timer_create-timer_settime-sendmsg$TIPC_CMD_SHOW_NAME_TABLE-socket$nl_route
detailed listing:
executing program 0:
sendmsg$nl_netfilter(0xffffffffffffffff, 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000040)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4)
timer_create(0x0, &(0x7f0000000680)={0x0, 0x21, 0x0, @tid=0xffffffffffffffff}, &(0x7f0000000100))
timer_settime(0x0, 0x0, &(0x7f0000000380)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)
sendmsg$TIPC_CMD_SHOW_NAME_TABLE(0xffffffffffffffff, 0x0, 0x20000010)
socket$nl_route(0x10, 0x3, 0x0)

program crashed: BUG: workqueue lockup
testing program (duration=1m46.279714377s, {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-sendmsg$TIPC_CMD_SHOW_NAME_TABLE-socket$nl_route
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000040)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4)
timer_create(0x0, &(0x7f0000000680)={0x0, 0x21, 0x0, @tid=0xffffffffffffffff}, &(0x7f0000000100))
timer_settime(0x0, 0x0, &(0x7f0000000380)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)
sendmsg$TIPC_CMD_SHOW_NAME_TABLE(0xffffffffffffffff, 0x0, 0x20000010)
socket$nl_route(0x10, 0x3, 0x0)

program crashed: BUG: workqueue lockup
testing program (duration=1m46.279714377s, {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-sendmsg$TIPC_CMD_SHOW_NAME_TABLE-socket$nl_route
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, 0x0, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4)
timer_create(0x0, &(0x7f0000000680)={0x0, 0x21, 0x0, @tid=0xffffffffffffffff}, &(0x7f0000000100))
timer_settime(0x0, 0x0, &(0x7f0000000380)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)
sendmsg$TIPC_CMD_SHOW_NAME_TABLE(0xffffffffffffffff, 0x0, 0x20000010)
socket$nl_route(0x10, 0x3, 0x0)

program did not crash
testing program (duration=1m46.279714377s, {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-sendmsg$TIPC_CMD_SHOW_NAME_TABLE-socket$nl_route
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000040)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, 0x0)
timer_create(0x0, &(0x7f0000000680)={0x0, 0x21, 0x0, @tid=0xffffffffffffffff}, &(0x7f0000000100))
timer_settime(0x0, 0x0, &(0x7f0000000380)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)
sendmsg$TIPC_CMD_SHOW_NAME_TABLE(0xffffffffffffffff, 0x0, 0x20000010)
socket$nl_route(0x10, 0x3, 0x0)

program did not crash
testing program (duration=1m46.279714377s, {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-sendmsg$TIPC_CMD_SHOW_NAME_TABLE-socket$nl_route
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000040)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4)
timer_create(0x0, 0x0, &(0x7f0000000100))
timer_settime(0x0, 0x0, &(0x7f0000000380)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)
sendmsg$TIPC_CMD_SHOW_NAME_TABLE(0xffffffffffffffff, 0x0, 0x20000010)
socket$nl_route(0x10, 0x3, 0x0)

program did not crash
testing program (duration=1m46.279714377s, {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-sendmsg$TIPC_CMD_SHOW_NAME_TABLE-socket$nl_route
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000040)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4)
timer_create(0x0, &(0x7f0000000680)={0x0, 0x21, 0x0, @tid=0xffffffffffffffff}, 0x0)
timer_settime(0x0, 0x0, &(0x7f0000000380)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)
sendmsg$TIPC_CMD_SHOW_NAME_TABLE(0xffffffffffffffff, 0x0, 0x20000010)
socket$nl_route(0x10, 0x3, 0x0)

program did not crash
testing program (duration=1m46.279714377s, {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-sendmsg$TIPC_CMD_SHOW_NAME_TABLE-socket$nl_route
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000040)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4)
timer_create(0x0, &(0x7f0000000680)={0x0, 0x21, 0x0, @tid=0xffffffffffffffff}, &(0x7f0000000100))
timer_settime(0x0, 0x0, 0x0, 0x0)
sendmsg$TIPC_CMD_SHOW_NAME_TABLE(0xffffffffffffffff, 0x0, 0x20000010)
socket$nl_route(0x10, 0x3, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=1m46.279714377s, {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-sendmsg$TIPC_CMD_SHOW_NAME_TABLE-socket$nl_route
program crashed: BUG: workqueue lockup
simplifying C reproducer
testing compiled C program (duration=1m46.279714377s, {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-sendmsg$TIPC_CMD_SHOW_NAME_TABLE-socket$nl_route
program crashed: BUG: workqueue lockup
testing compiled C program (duration=1m46.279714377s, {Threaded:false 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-sendmsg$TIPC_CMD_SHOW_NAME_TABLE-socket$nl_route
program did not crash
testing compiled C program (duration=1m46.279714377s, {Threaded:false 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-sendmsg$TIPC_CMD_SHOW_NAME_TABLE-socket$nl_route
program did not crash
testing compiled C program (duration=1m46.279714377s, {Threaded:false 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-sendmsg$TIPC_CMD_SHOW_NAME_TABLE-socket$nl_route
program did not crash
testing compiled C program (duration=1m46.279714377s, {Threaded:false 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-sendmsg$TIPC_CMD_SHOW_NAME_TABLE-socket$nl_route
program crashed: BUG: workqueue lockup
testing compiled C program (duration=1m46.279714377s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false 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-sendmsg$TIPC_CMD_SHOW_NAME_TABLE-socket$nl_route
program did not crash
testing compiled C program (duration=1m46.279714377s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false 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-sendmsg$TIPC_CMD_SHOW_NAME_TABLE-socket$nl_route
program crashed: INFO: rcu detected stall in corrupted
a never seen crash title: INFO: rcu detected stall in corrupted, ignore
testing compiled C program (duration=1m46.279714377s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:true Cgroups:true 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-sendmsg$TIPC_CMD_SHOW_NAME_TABLE-socket$nl_route
program did not crash
testing compiled C program (duration=1m46.279714377s, {Threaded:false 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: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-sendmsg$TIPC_CMD_SHOW_NAME_TABLE-socket$nl_route
program crashed: BUG: workqueue lockup
testing compiled C program (duration=1m46.279714377s, {Threaded:false 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: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-sendmsg$TIPC_CMD_SHOW_NAME_TABLE-socket$nl_route
program did not crash
testing compiled C program (duration=1m46.279714377s, {Threaded:false 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: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-sendmsg$TIPC_CMD_SHOW_NAME_TABLE-socket$nl_route
program crashed: BUG: workqueue lockup
testing compiled C program (duration=1m46.279714377s, {Threaded:false 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:false VhciInjection:true Wifi:false 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-sendmsg$TIPC_CMD_SHOW_NAME_TABLE-socket$nl_route
program crashed: BUG: workqueue lockup
testing compiled C program (duration=1m46.279714377s, {Threaded:false 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:false VhciInjection:true Wifi:false 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-sendmsg$TIPC_CMD_SHOW_NAME_TABLE-socket$nl_route
program crashed: BUG: workqueue lockup
testing compiled C program (duration=1m46.279714377s, {Threaded:false 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:false VhciInjection:true Wifi:false 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-sendmsg$TIPC_CMD_SHOW_NAME_TABLE-socket$nl_route
program crashed: BUG: workqueue lockup
testing compiled C program (duration=1m46.279714377s, {Threaded:false 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:false VhciInjection:true Wifi:false 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-sendmsg$TIPC_CMD_SHOW_NAME_TABLE-socket$nl_route
program crashed: BUG: workqueue lockup
reproducing took 56m44.576414062s
repro crashed as (corrupted=false):
BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 45s!
BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=-20 stuck for 40s!
BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 45s!
BUG: workqueue lockup - pool cpus=0-1 flags=0x4 nice=0 stuck for 45s!
BUG: workqueue lockup - pool cpus=0-1 flags=0x4 nice=-20 stuck for 43s!
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:request_firmware_work_func
    pending: psi_avgs_work, psi_avgs_work, psi_avgs_work, l2cap_info_timeout, l2cap_info_timeout, ovs_dp_masks_rebalance, ovs_dp_masks_rebalance, kfree_rcu_monitor
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=12/256 refcnt=13
    pending: vmstat_shepherd, psi_avgs_work, psi_avgs_work, psi_avgs_work, ovs_dp_masks_rebalance, l2cap_info_timeout, l2cap_info_timeout, l2cap_info_timeout, ovs_dp_masks_rebalance, ovs_dp_masks_rebalance, ovs_dp_masks_rebalance, kfree_rcu_monitor
workqueue events_long: flags=0x0
  pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=3/256 refcnt=4
    pending: defense_work_handler, defense_work_handler, defense_work_handler
  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=2/512 refcnt=4
    pending: toggle_allocation_gate, flush_memcg_stats_dwork
workqueue events_power_efficient: flags=0x82
  pwq 4: cpus=0-1 flags=0x4 nice=0 active=8/256 refcnt=10
    pending: fb_flashcursor, neigh_managed_work, neigh_managed_work, neigh_periodic_work, neigh_periodic_work, do_cache_clean, gc_worker, reg_check_chans_work
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
    pending: vmstat_update
workqueue writeback: flags=0x4a
  pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3
    pending: wb_workfn
workqueue kblockd: flags=0x18
  pwq 1: cpus=0 node=0 flags=0x0 nice=-20 active=1/256 refcnt=2
    pending: blk_mq_timeout_work
workqueue dm_bufio_cache: flags=0x8
  pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
    pending: work_fn
workqueue mld: flags=0x40008
  pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/1 refcnt=5
    pending: mld_dad_work
    inactive: mld_ifc_work, mld_ifc_work, mld_dad_work
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/1 refcnt=7
    pending: mld_dad_work
    inactive: mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_dad_work, mld_dad_work
workqueue krxrpcd: flags=0x0
  pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/1 refcnt=3
    pending: rxrpc_peer_keepalive_worker
    inactive: rxrpc_peer_keepalive_worker
  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 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
pool 2: cpus=1 node=0 flags=0x0 nice=0 hung=45s workers=4 idle: 3874 3876 22

final repro crashed as (corrupted=false):
BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 45s!
BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=-20 stuck for 40s!
BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 45s!
BUG: workqueue lockup - pool cpus=0-1 flags=0x4 nice=0 stuck for 45s!
BUG: workqueue lockup - pool cpus=0-1 flags=0x4 nice=-20 stuck for 43s!
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:request_firmware_work_func
    pending: psi_avgs_work, psi_avgs_work, psi_avgs_work, l2cap_info_timeout, l2cap_info_timeout, ovs_dp_masks_rebalance, ovs_dp_masks_rebalance, kfree_rcu_monitor
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=12/256 refcnt=13
    pending: vmstat_shepherd, psi_avgs_work, psi_avgs_work, psi_avgs_work, ovs_dp_masks_rebalance, l2cap_info_timeout, l2cap_info_timeout, l2cap_info_timeout, ovs_dp_masks_rebalance, ovs_dp_masks_rebalance, ovs_dp_masks_rebalance, kfree_rcu_monitor
workqueue events_long: flags=0x0
  pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=3/256 refcnt=4
    pending: defense_work_handler, defense_work_handler, defense_work_handler
  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=2/512 refcnt=4
    pending: toggle_allocation_gate, flush_memcg_stats_dwork
workqueue events_power_efficient: flags=0x82
  pwq 4: cpus=0-1 flags=0x4 nice=0 active=8/256 refcnt=10
    pending: fb_flashcursor, neigh_managed_work, neigh_managed_work, neigh_periodic_work, neigh_periodic_work, do_cache_clean, gc_worker, reg_check_chans_work
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
    pending: vmstat_update
workqueue writeback: flags=0x4a
  pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3
    pending: wb_workfn
workqueue kblockd: flags=0x18
  pwq 1: cpus=0 node=0 flags=0x0 nice=-20 active=1/256 refcnt=2
    pending: blk_mq_timeout_work
workqueue dm_bufio_cache: flags=0x8
  pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
    pending: work_fn
workqueue mld: flags=0x40008
  pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/1 refcnt=5
    pending: mld_dad_work
    inactive: mld_ifc_work, mld_ifc_work, mld_dad_work
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/1 refcnt=7
    pending: mld_dad_work
    inactive: mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_dad_work, mld_dad_work
workqueue krxrpcd: flags=0x0
  pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/1 refcnt=3
    pending: rxrpc_peer_keepalive_worker
    inactive: rxrpc_peer_keepalive_worker
  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 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
pool 2: cpus=1 node=0 flags=0x0 nice=0 hung=45s workers=4 idle: 3874 3876 22