Extracting prog: 2m45.737128429s
Minimizing prog: 1h0m26.833698652s
Simplifying prog options: 0s
Extracting C: 2m11.985293042s
Simplifying C: 48m0.96283635s


extracting reproducer from 1 programs
testing a last program of every proc
single: executing 1 programs separately with timeout 6m0s
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000000)={'bridge0\x00', <r1=>0x0})
sendmsg$nl_route(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000300)=ANY=[@ANYBLOB="3c00000010001d04000004020000000000000000", @ANYRES32=0x0, @ANYBLOB="4b020600000000001400030076657468315f746f5f6272696467650008000a00", @ANYRES32=r1], 0x3c}, 0x1, 0x0, 0x0, 0x20000004}, 0x0)

program crashed: BUG: workqueue lockup
single: successfully extracted reproducer
found reproducer with 3 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$sock_SIOCGIFINDEX
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000000)={'bridge0\x00'})

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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000300)=ANY=[@ANYBLOB="3c00000010001d04000004020000000000000000", @ANYRES32=0x0, @ANYBLOB="4b020600000000001400030076657468315f746f5f6272696467650008000a00", @ANYRES32], 0x3c}, 0x1, 0x0, 0x0, 0x20000004}, 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route
detailed listing:
executing program 0:
ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'bridge0\x00', <r0=>0x0})
sendmsg$nl_route(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000300)=ANY=[@ANYBLOB="3c00000010001d04000004020000000000000000", @ANYRES32=0x0, @ANYBLOB="4b020600000000001400030076657468315f746f5f6272696467650008000a00", @ANYRES32=r0], 0x3c}, 0x1, 0x0, 0x0, 0x20000004}, 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, 0x0)
sendmsg$nl_route(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000300)=ANY=[@ANYBLOB="3c00000010001d04000004020000000000000000", @ANYRES32=0x0, @ANYBLOB="4b020600000000001400030076657468315f746f5f6272696467650008000a00", @ANYRES32], 0x3c}, 0x1, 0x0, 0x0, 0x20000004}, 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000000)={'bridge0\x00'})
sendmsg$nl_route(r0, 0x0, 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000000)={'bridge0\x00'})
sendmsg$nl_route(r0, &(0x7f00000002c0)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x20000004}, 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000000)={'bridge0\x00'})
sendmsg$nl_route(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000100)={0x0, 0x3c}, 0x1, 0x0, 0x0, 0x20000004}, 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000000)={'bridge0\x00'})
sendmsg$nl_route(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000300)=ANY=[], 0x3c}, 0x1, 0x0, 0x0, 0x20000004}, 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000000)={'bridge0\x00', <r1=>0x0})
sendmsg$nl_route(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000300)=ANY=[@ANYBLOB="3c00000010001d04000004020000000000000000", @ANYRES32=0x0, @ANYBLOB, @ANYRES32=r1], 0x3c}, 0x1, 0x0, 0x0, 0x20000004}, 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000000)={'bridge0\x00', <r1=>0x0})
sendmsg$nl_route(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000300)=ANY=[@ANYBLOB, @ANYRES32=0x0, @ANYBLOB="4b020600000000001400030076657468315f746f5f6272696467650008000a00", @ANYRES32=r1], 0x3c}, 0x1, 0x0, 0x0, 0x20000004}, 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route
program crashed: BUG: workqueue lockup
simplifying C reproducer
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route
program crashed: BUG: workqueue lockup
testing compiled C program (duration=6m0s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route
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: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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route
program crashed: INFO: task hung in rtnl_lock
a never seen crash title: INFO: task hung in rtnl_lock, ignore
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route
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:false 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route
program crashed: INFO: task hung in rtnl_lock
a never seen crash title: INFO: task hung in rtnl_lock, ignore
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route
program crashed: BUG: workqueue lockup
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: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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route
program crashed: BUG: workqueue lockup
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route
program crashed: BUG: workqueue lockup
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: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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route
program crashed: INFO: task hung in corrupted
a never seen crash title: INFO: task hung in corrupted, ignore
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route
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:false 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route
program crashed: BUG: workqueue lockup
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:true IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route
program crashed: INFO: task hung in rtnl_lock
a never seen crash title: INFO: task hung in rtnl_lock, ignore
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: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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route
program crashed: BUG: workqueue lockup
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:true IEEE802154:false Sysctl:false Swap:true UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route
program crashed: INFO: task hung in rtnl_lock
a never seen crash title: INFO: task hung in rtnl_lock, ignore
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:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:true IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route
program crashed: BUG: workqueue lockup
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:true IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000000)={'bridge0\x00', <r1=>0x0})
sendmsg$nl_route(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000300)=ANY=[@ANYBLOB="3c00000010001d04000004020000000000000000", @ANYRES32=0x0, @ANYBLOB="4b020600000000001400030076657468315f746f5f6272696467650008000a00", @ANYRES32=r1], 0x3c}, 0x1, 0x0, 0x0, 0x20000004}, 0x0)

program crashed: BUG: workqueue lockup
validation run: crashed=true
testing 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:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:true IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000000)={'bridge0\x00', <r1=>0x0})
sendmsg$nl_route(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000300)=ANY=[@ANYBLOB="3c00000010001d04000004020000000000000000", @ANYRES32=0x0, @ANYBLOB="4b020600000000001400030076657468315f746f5f6272696467650008000a00", @ANYRES32=r1], 0x3c}, 0x1, 0x0, 0x0, 0x20000004}, 0x0)

program crashed: BUG: workqueue lockup
validation run: crashed=true
testing 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:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:true IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000000)={'bridge0\x00', <r1=>0x0})
sendmsg$nl_route(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000300)=ANY=[@ANYBLOB="3c00000010001d04000004020000000000000000", @ANYRES32=0x0, @ANYBLOB="4b020600000000001400030076657468315f746f5f6272696467650008000a00", @ANYRES32=r1], 0x3c}, 0x1, 0x0, 0x0, 0x20000004}, 0x0)

program crashed: BUG: workqueue lockup
validation run: crashed=true
reproducing took 1h57m41.628402093s
repro crashed as (corrupted=false):
BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 32s!
BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 31s!
Showing busy workqueues and worker pools:
workqueue events: flags=0x100
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=16 refcnt=17
    in-flight: 9:request_firmware_work_func for 87s ,10:nsim_fib_event_work for 32s nsim_fib_event_work
    pending: nsim_dev_hwstats_traffic_work, vmstat_shepherd, nsim_dev_hwstats_traffic_work, drm_fb_helper_damage_work, 2*psi_avgs_work, 3*ovs_dp_masks_rebalance, 2*l2cap_info_timeout, ovs_dp_masks_rebalance, switchdev_deferred_process_work
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=19 refcnt=20
    in-flight: 4849:nsim_fib_event_work for 32s nsim_fib_event_work ,24:nsim_fib_event_work for 33s nsim_fib_event_work
    pending: nsim_dev_hwstats_traffic_work, 3*psi_avgs_work, 2*ovs_dp_masks_rebalance, 3*l2cap_info_timeout, 4*ovs_dp_masks_rebalance, psi_avgs_work, rht_deferred_worker
workqueue events_long: flags=0x100
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=6 refcnt=7
    pending: 6*defense_work_handler
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=4 refcnt=5
    pending: 4*defense_work_handler
workqueue events_unbound: flags=0x2
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=12 refcnt=13
    in-flight: 1422:fsnotify_connector_destroy_workfn for 31s ,1380:fsnotify_mark_destroy_workfn for 31s
    pending: 2*macvlan_process_broadcast, nsim_dev_trap_report_work, toggle_allocation_gate, nsim_dev_trap_report_work, flush_memcg_stats_dwork, 4*macvlan_process_broadcast
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=9 refcnt=10
    in-flight: 1305:cfg80211_wiphy_work for 32s cfg80211_wiphy_work ,40:cfg80211_wiphy_work for 27s cfg80211_wiphy_work ,39:cfg80211_wiphy_work for 31s cfg80211_wiphy_work ,680:cfg80211_wiphy_work for 31s cfg80211_wiphy_work
    pending: nsim_dev_trap_report_work
workqueue events_power_efficient: flags=0x182
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=6 refcnt=7
    in-flight: 4905:neigh_periodic_work for 21s
    pending: 2*neigh_managed_work, do_cache_clean, fb_flashcursor, wg_ratelimiter_gc_entries
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2
    in-flight: 12:gc_worker for 21s
workqueue rcu_gp: flags=0x108
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: srcu_invoke_callbacks
workqueue netns: flags=0x6000a
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=4
    in-flight: 13:cleanup_net for 33s
workqueue mm_percpu_wq: flags=0x108
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: vmstat_update
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: vmstat_update
workqueue writeback: flags=0x4a
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=4 MAYDAY
    in-flight: 33(RESCUER):wb_workfn for 26s
workqueue mld: flags=0x40108
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=79
    pending: mld_ifc_work
    inactive: mld_ifc_work, 2*mld_dad_work, mld_ifc_work, 2*mld_dad_work, 3*mld_ifc_work, 3*mld_dad_work, mld_ifc_work, 2*mld_dad_work, 4*mld_ifc_work, mld_dad_work, mld_ifc_work, mld_dad_work, 3*mld_ifc_work, mld_dad_work, 4*mld_ifc_work, 5*mld_dad_work, mld_ifc_work, mld_dad_work, mld_ifc_work, 39*mld_dad_work
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=81
    in-flight: 26:mld_ifc_work for 31s
    inactive: mld_dad_work, 3*mld_ifc_work, mld_dad_work, mld_ifc_work, mld_dad_work, mld_ifc_work, mld_dad_work, 2*mld_ifc_work, 2*mld_dad_work, 3*mld_ifc_work, 2*mld_dad_work, mld_ifc_work, mld_dad_work, 8*mld_ifc_work, mld_dad_work, 2*mld_ifc_work, 3*mld_dad_work, 4*mld_ifc_work, mld_dad_work, 2*mld_ifc_work, mld_dad_work, mld_ifc_work, mld_dad_work, mld_ifc_work, mld_dad_work, 2*mld_ifc_work, mld_dad_work, 4*mld_ifc_work, 2*mld_dad_work, 4*mld_ifc_work, mld_dad_work, 7*mld_ifc_work, mld_dad_work, 3*mld_ifc_work, mld_dad_work, 2*mld_ifc_work, 2*mld_dad_work, 3*mld_ifc_work
workqueue ipv6_addrconf: flags=0x6000a
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=144 MAYDAY
    in-flight: 2821(RESCUER):addrconf_dad_work for 0s
    pending: mayday_cursor_func
    inactive: 138*addrconf_dad_work
workqueue bat_events: flags=0x6000a
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=50 MAYDAY
    in-flight: 2856(RESCUER):batadv_tt_purge for 8s
    pending: mayday_cursor_func
    inactive: 4*batadv_tt_purge, batadv_dat_purge, batadv_bla_periodic_work, batadv_dat_purge, batadv_bla_periodic_work, batadv_dat_purge, batadv_bla_periodic_work, batadv_dat_purge, batadv_bla_periodic_work, batadv_dat_purge, batadv_bla_periodic_work, batadv_dat_purge, batadv_bla_periodic_work, 6*batadv_mcast_mla_update, 4*batadv_iv_send_outstanding_bat_ogm_packet, batadv_purge_orig, 9*batadv_iv_send_outstanding_bat_ogm_packet, batadv_purge_orig, batadv_iv_send_outstanding_bat_ogm_packet, 4*batadv_purge_orig, batadv_iv_send_outstanding_bat_ogm_packet, batadv_tt_purge
workqueue wg-kex-wg0: flags=0x6
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2
    pending: wg_packet_handshake_send_worker
workqueue wg-crypt-wg0: flags=0x128
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: wg_packet_encrypt_worker
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=2 refcnt=3
    in-flight: 867:wg_packet_encrypt_worker for 31s
    pending: wg_packet_encrypt_worker
workqueue wg-kex-wg1: flags=0x6
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2
    in-flight: 4952:wg_packet_handshake_send_worker for 11s
workqueue wg-crypt-wg1: flags=0x128
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: wg_packet_encrypt_worker
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: wg_packet_encrypt_worker
workqueue wg-crypt-wg2: flags=0x128
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: wg_packet_encrypt_worker
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: wg_packet_encrypt_worker
workqueue wg-kex-wg0: flags=0x124
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: wg_packet_handshake_receive_worker
workqueue wg-kex-wg0: flags=0x6
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2
    pending: wg_packet_handshake_send_worker
workqueue wg-crypt-wg0: flags=0x128
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: wg_packet_encrypt_worker
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: wg_packet_encrypt_worker
workqueue wg-kex-wg1: flags=0x6
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2
    pending: wg_packet_handshake_send_worker
workqueue wg-crypt-wg1: flags=0x128
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: wg_packet_encrypt_worker
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: wg_packet_encrypt_worker
workqueue wg-kex-wg2: flags=0x6
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2
    pending: wg_packet_handshake_send_worker
workqueue wg-crypt-wg2: flags=0x128
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: wg_packet_encrypt_worker
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: wg_packet_encrypt_worker
workqueue wg-kex-wg0: flags=0x124
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: wg_packet_handshake_receive_worker
workqueue wg-kex-wg0: flags=0x6
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2
    pending: wg_packet_handshake_send_worker
workqueue wg-crypt-wg0: flags=0x128
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: wg_packet_encrypt_worker
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: wg_packet_encrypt_worker
workqueue wg-crypt-wg1: flags=0x128
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: wg_packet_encrypt_worker
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: wg_packet_encrypt_worker
workqueue wg-kex-wg2: flags=0x6
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=2 refcnt=3
    pending: 2*wg_packet_handshake_send_worker
workqueue wg-crypt-wg2: flags=0x128
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: wg_packet_encrypt_worker
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: wg_packet_encrypt_worker
pool 2: cpus=0 node=0 flags=0x0 nice=0 hung=32s workers=5 idle: 1016 4468 4748
pool 6: cpus=1 node=0 flags=0x0 nice=0 hung=31s workers=5 idle: 1094
pool 8: cpus=0-1 flags=0x6 nice=0 hung=0s workers=11 manager: 4953
Showing backtraces of busy workers in stalled worker pools:
pool 2:
task:kworker/0:0     state:R  running task     stack:0     pid:9     tgid:9     ppid:2      task_flags:0x4288060 flags:0x00000010
Workqueue: events request_firmware_work_func
Call trace:
 __switch_to+0x2b0/0x6e0 arch/arm64/kernel/process.c:810 (T)
 context_switch kernel/sched/core.c:5388 [inline]
 __schedule+0x1bec/0x2dcc kernel/sched/core.c:7189
 preempt_schedule_common+0xd4/0x190 kernel/sched/core.c:7370
 preempt_schedule+0x60/0x78 kernel/sched/core.c:7394
 __local_bh_enable_ip+0x20c/0x35c kernel/softirq.c:457
 local_bh_enable include/linux/bottom_half.h:33 [inline]
 __alloc_skb+0x1c8/0x5f8 net/core/skbuff.c:697
 alloc_skb include/linux/skbuff.h:1383 [inline]
 alloc_uevent_skb+0x78/0x1e0 lib/kobject_uevent.c:289
 uevent_net_broadcast_untagged lib/kobject_uevent.c:326 [inline]
 kobject_uevent_net_broadcast+0x2d4/0x53c lib/kobject_uevent.c:410
 kobject_uevent_env+0x514/0x940 lib/kobject_uevent.c:611
 kobject_uevent+0x2c/0x3c lib/kobject_uevent.c:659
 device_del+0x5f4/0x710 drivers/base/core.c:3913
 fw_load_sysfs_fallback drivers/base/firmware_loader/fallback.c:124 [inline]
 fw_load_from_user_helper drivers/base/firmware_loader/fallback.c:162 [inline]
 firmware_fallback_sysfs+0x32c/0x910 drivers/base/firmware_loader/fallback.c:238
 _request_firmware+0xb04/0xf00 drivers/base/firmware_loader/main.c:898
 request_firmware_work_func+0xa8/0x19c drivers/base/firmware_loader/main.c:1150
 process_one_work kernel/workqueue.c:3314 [inline]
 process_scheduled_works+0x79c/0x1098 kernel/workqueue.c:3397
 worker_thread+0x754/0xba0 kernel/workqueue.c:3478
 kthread+0x2f8/0x3c8 kernel/kthread.c:436
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:842
pool 2:
task:kworker/0:1     state:R  running task     stack:0     pid:10    tgid:10    ppid:2      task_flags:0x4208060 flags:0x00000010
Workqueue: events nsim_fib_event_work
Call trace:
 __switch_to+0x2b0/0x6e0 arch/arm64/kernel/process.c:810 (T)
 context_switch kernel/sched/core.c:5388 [inline]
 __schedule+0x1bec/0x2dcc kernel/sched/core.c:7189
 __schedule_loop kernel/sched/core.c:7268 [inline]
 schedule+0x140/0x218 kernel/sched/core.c:7283
 schedule_timeout+0x13c/0x28c kernel/time/sleep_timeout.c:99
 schedule_timeout_uninterruptible+0x78/0xbc kernel/time/sleep_timeout.c:158
 msleep+0x3c/0x68 kernel/time/sleep_timeout.c:318
 nsim_fib6_rt_add drivers/net/netdevsim/fib.c:693 [inline]
 nsim_fib6_rt_insert drivers/net/netdevsim/fib.c:759 [inline]
 nsim_fib6_event drivers/net/netdevsim/fib.c:856 [inline]
 nsim_fib_event+0x53c4/0x5f48 drivers/net/netdevsim/fib.c:889
 nsim_fib_event_work+0x1cc/0x30c drivers/net/netdevsim/fib.c:1493
 process_one_work kernel/workqueue.c:3314 [inline]
 process_scheduled_works+0x79c/0x1098 kernel/workqueue.c:3397
 worker_thread+0x754/0xba0 kernel/workqueue.c:3478
 kthread+0x2f8/0x3c8 kernel/kthread.c:436
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:842
pool 6:
task:kworker/1:2     state:R  running task     stack:0     pid:867   tgid:867   ppid:2      task_flags:0x4208060 flags:0x00000010
Workqueue: wg-crypt-wg0 wg_packet_encrypt_worker
Call trace:
 __switch_to+0x2b0/0x6e0 arch/arm64/kernel/process.c:810 (T)
 context_switch kernel/sched/core.c:5388 [inline]
 __schedule+0x1bec/0x2dcc kernel/sched/core.c:7189
 preempt_schedule_common+0xd4/0x190 kernel/sched/core.c:7370
 preempt_schedule+0x60/0x78 kernel/sched/core.c:7394
 __local_bh_enable_ip+0x20c/0x35c kernel/softirq.c:457
 __raw_spin_unlock_bh include/linux/spinlock_api_smp.h:196 [inline]
 _raw_spin_unlock_bh+0x3c/0x4c kernel/locking/spinlock.c:214
 spin_unlock_bh include/linux/spinlock.h:396 [inline]
 ptr_ring_consume_bh include/linux/ptr_ring.h:377 [inline]
 wg_packet_encrypt_worker+0x218/0x1254 drivers/net/wireguard/send.c:293
 process_one_work kernel/workqueue.c:3314 [inline]
 process_scheduled_works+0x79c/0x1098 kernel/workqueue.c:3397
 worker_thread+0x754/0xba0 kernel/workqueue.c:3478
 kthread+0x2f8/0x3c8 kernel/kthread.c:436
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:842
pool 6:
task:kworker/1:1     state:R  running task     stack:0     pid:26    tgid:26    ppid:2      task_flags:0x4208060 flags:0x00000010
Workqueue: mld mld_ifc_work
Call trace:
 __switch_to+0x2b0/0x6e0 arch/arm64/kernel/process.c:810 (T)
 context_switch kernel/sched/core.c:5388 [inline]
 __schedule+0x1bec/0x2dcc kernel/sched/core.c:7189
 preempt_schedule_common+0xd4/0x190 kernel/sched/core.c:7370
 preempt_schedule+0x60/0x78 kernel/sched/core.c:7394
 __local_bh_enable_ip+0x20c/0x35c kernel/softirq.c:457
 local_bh_enable include/linux/bottom_half.h:33 [inline]
 rcu_read_unlock_bh include/linux/rcupdate.h:912 [inline]
 __dev_queue_xmit+0x11dc/0x2c18 net/core/dev.c:4905
 dev_queue_xmit include/linux/netdevice.h:3418 [inline]
 neigh_hh_output include/net/neighbour.h:540 [inline]
 neigh_output include/net/neighbour.h:554 [inline]
 ip6_finish_output2+0xcb0/0x1a7c net/ipv6/ip6_output.c:136
 __ip6_finish_output net/ipv6/ip6_output.c:-1 [inline]
 ip6_finish_output+0x230/0x618 net/ipv6/ip6_output.c:219
 NF_HOOK_COND include/linux/netfilter.h:307 [inline]
 ip6_output+0x2d0/0x644 net/ipv6/ip6_output.c:246
 dst_output include/net/dst.h:470 [inline]
 NF_HOOK+0x14c/0x45c include/linux/netfilter.h:318
 mld_sendpack+0x7fc/0xff0 net/ipv6/mcast.c:1855
 mld_send_cr net/ipv6/mcast.c:2154 [inline]
 mld_ifc_work+0x760/0x9dc net/ipv6/mcast.c:2693
 process_one_work kernel/workqueue.c:3314 [inline]
 process_scheduled_works+0x79c/0x1098 kernel/workqueue.c:3397
 worker_thread+0x754/0xba0 kernel/workqueue.c:3478
 kthread+0x2f8/0x3c8 kernel/kthread.c:436
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:842
pool 6:
task:kworker/1:4     state:R  running task     stack:0     pid:4849  tgid:4849  ppid:2      task_flags:0x4208060 flags:0x00000010
Workqueue: events nsim_fib_event_work
Call trace:
 __switch_to+0x2b0/0x6e0 arch/arm64/kernel/process.c:810 (T)
 context_switch kernel/sched/core.c:5388 [inline]
 __schedule+0x1bec/0x2dcc kernel/sched/core.c:7189
 preempt_schedule_common+0xd4/0x190 kernel/sched/core.c:7370
 preempt_schedule+0x60/0x78 kernel/sched/core.c:7394
 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:179 [inline]
 _raw_spin_unlock_irqrestore+0x94/0x98 kernel/locking/spinlock.c:198
 __debug_check_no_obj_freed lib/debugobjects.c:1125 [inline]
 debug_check_no_obj_freed+0x2e4/0x3c0 lib/debugobjects.c:1146
 __free_pages_prepare mm/page_alloc.c:1409 [inline]
 __free_frozen_pages+0x488/0xb90 mm/page_alloc.c:2943
 free_frozen_pages+0x14/0x20 mm/page_alloc.c:2981
 __free_slab+0x11c/0x1b4 mm/slub.c:3541
 free_slab+0x2c/0x154 mm/slub.c:3575
 discard_slab+0x48/0x90 mm/slub.c:3581
 __slab_free+0x1a8/0x1d8 mm/slub.c:5612
 ___cache_free+0x80/0x94 mm/slub.c:6322
 qlink_free mm/kasan/quarantine.c:163 [inline]
 qlist_free_all+0xb4/0x120 mm/kasan/quarantine.c:179
 kasan_quarantine_reduce+0x118/0x124 mm/kasan/quarantine.c:286
 __kasan_kmalloc+0x2c/0xb4 mm/kasan/common.c:406
 kasan_kmalloc include/linux/kasan.h:263 [inline]
 __kmalloc_cache_noprof+0x2d4/0x624 mm/slub.c:5419
 kmalloc_noprof include/linux/slab.h:950 [inline]
 kzalloc_noprof include/linux/slab.h:1188 [inline]
 nsim_fib6_rt_nh_add+0x64/0x214 drivers/net/netdevsim/fib.c:500
 nsim_fib6_rt_create drivers/net/netdevsim/fib.c:562 [inline]
 nsim_fib6_rt_insert drivers/net/netdevsim/fib.c:752 [inline]
 nsim_fib6_event drivers/net/netdevsim/fib.c:856 [inline]
 nsim_fib_event+0xac4/0x5f48 drivers/net/netdevsim/fib.c:889

final repro crashed as (corrupted=false):
BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 32s!
BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 31s!
Showing busy workqueues and worker pools:
workqueue events: flags=0x100
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=16 refcnt=17
    in-flight: 9:request_firmware_work_func for 87s ,10:nsim_fib_event_work for 32s nsim_fib_event_work
    pending: nsim_dev_hwstats_traffic_work, vmstat_shepherd, nsim_dev_hwstats_traffic_work, drm_fb_helper_damage_work, 2*psi_avgs_work, 3*ovs_dp_masks_rebalance, 2*l2cap_info_timeout, ovs_dp_masks_rebalance, switchdev_deferred_process_work
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=19 refcnt=20
    in-flight: 4849:nsim_fib_event_work for 32s nsim_fib_event_work ,24:nsim_fib_event_work for 33s nsim_fib_event_work
    pending: nsim_dev_hwstats_traffic_work, 3*psi_avgs_work, 2*ovs_dp_masks_rebalance, 3*l2cap_info_timeout, 4*ovs_dp_masks_rebalance, psi_avgs_work, rht_deferred_worker
workqueue events_long: flags=0x100
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=6 refcnt=7
    pending: 6*defense_work_handler
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=4 refcnt=5
    pending: 4*defense_work_handler
workqueue events_unbound: flags=0x2
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=12 refcnt=13
    in-flight: 1422:fsnotify_connector_destroy_workfn for 31s ,1380:fsnotify_mark_destroy_workfn for 31s
    pending: 2*macvlan_process_broadcast, nsim_dev_trap_report_work, toggle_allocation_gate, nsim_dev_trap_report_work, flush_memcg_stats_dwork, 4*macvlan_process_broadcast
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=9 refcnt=10
    in-flight: 1305:cfg80211_wiphy_work for 32s cfg80211_wiphy_work ,40:cfg80211_wiphy_work for 27s cfg80211_wiphy_work ,39:cfg80211_wiphy_work for 31s cfg80211_wiphy_work ,680:cfg80211_wiphy_work for 31s cfg80211_wiphy_work
    pending: nsim_dev_trap_report_work
workqueue events_power_efficient: flags=0x182
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=6 refcnt=7
    in-flight: 4905:neigh_periodic_work for 21s
    pending: 2*neigh_managed_work, do_cache_clean, fb_flashcursor, wg_ratelimiter_gc_entries
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2
    in-flight: 12:gc_worker for 21s
workqueue rcu_gp: flags=0x108
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: srcu_invoke_callbacks
workqueue netns: flags=0x6000a
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=4
    in-flight: 13:cleanup_net for 33s
workqueue mm_percpu_wq: flags=0x108
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: vmstat_update
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: vmstat_update
workqueue writeback: flags=0x4a
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=4 MAYDAY
    in-flight: 33(RESCUER):wb_workfn for 26s
workqueue mld: flags=0x40108
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=79
    pending: mld_ifc_work
    inactive: mld_ifc_work, 2*mld_dad_work, mld_ifc_work, 2*mld_dad_work, 3*mld_ifc_work, 3*mld_dad_work, mld_ifc_work, 2*mld_dad_work, 4*mld_ifc_work, mld_dad_work, mld_ifc_work, mld_dad_work, 3*mld_ifc_work, mld_dad_work, 4*mld_ifc_work, 5*mld_dad_work, mld_ifc_work, mld_dad_work, mld_ifc_work, 39*mld_dad_work
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=81
    in-flight: 26:mld_ifc_work for 31s
    inactive: mld_dad_work, 3*mld_ifc_work, mld_dad_work, mld_ifc_work, mld_dad_work, mld_ifc_work, mld_dad_work, 2*mld_ifc_work, 2*mld_dad_work, 3*mld_ifc_work, 2*mld_dad_work, mld_ifc_work, mld_dad_work, 8*mld_ifc_work, mld_dad_work, 2*mld_ifc_work, 3*mld_dad_work, 4*mld_ifc_work, mld_dad_work, 2*mld_ifc_work, mld_dad_work, mld_ifc_work, mld_dad_work, mld_ifc_work, mld_dad_work, 2*mld_ifc_work, mld_dad_work, 4*mld_ifc_work, 2*mld_dad_work, 4*mld_ifc_work, mld_dad_work, 7*mld_ifc_work, mld_dad_work, 3*mld_ifc_work, mld_dad_work, 2*mld_ifc_work, 2*mld_dad_work, 3*mld_ifc_work
workqueue ipv6_addrconf: flags=0x6000a
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=144 MAYDAY
    in-flight: 2821(RESCUER):addrconf_dad_work for 0s
    pending: mayday_cursor_func
    inactive: 138*addrconf_dad_work
workqueue bat_events: flags=0x6000a
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=50 MAYDAY
    in-flight: 2856(RESCUER):batadv_tt_purge for 8s
    pending: mayday_cursor_func
    inactive: 4*batadv_tt_purge, batadv_dat_purge, batadv_bla_periodic_work, batadv_dat_purge, batadv_bla_periodic_work, batadv_dat_purge, batadv_bla_periodic_work, batadv_dat_purge, batadv_bla_periodic_work, batadv_dat_purge, batadv_bla_periodic_work, batadv_dat_purge, batadv_bla_periodic_work, 6*batadv_mcast_mla_update, 4*batadv_iv_send_outstanding_bat_ogm_packet, batadv_purge_orig, 9*batadv_iv_send_outstanding_bat_ogm_packet, batadv_purge_orig, batadv_iv_send_outstanding_bat_ogm_packet, 4*batadv_purge_orig, batadv_iv_send_outstanding_bat_ogm_packet, batadv_tt_purge
workqueue wg-kex-wg0: flags=0x6
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2
    pending: wg_packet_handshake_send_worker
workqueue wg-crypt-wg0: flags=0x128
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: wg_packet_encrypt_worker
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=2 refcnt=3
    in-flight: 867:wg_packet_encrypt_worker for 31s
    pending: wg_packet_encrypt_worker
workqueue wg-kex-wg1: flags=0x6
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2
    in-flight: 4952:wg_packet_handshake_send_worker for 11s
workqueue wg-crypt-wg1: flags=0x128
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: wg_packet_encrypt_worker
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: wg_packet_encrypt_worker
workqueue wg-crypt-wg2: flags=0x128
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: wg_packet_encrypt_worker
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: wg_packet_encrypt_worker
workqueue wg-kex-wg0: flags=0x124
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: wg_packet_handshake_receive_worker
workqueue wg-kex-wg0: flags=0x6
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2
    pending: wg_packet_handshake_send_worker
workqueue wg-crypt-wg0: flags=0x128
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: wg_packet_encrypt_worker
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: wg_packet_encrypt_worker
workqueue wg-kex-wg1: flags=0x6
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2
    pending: wg_packet_handshake_send_worker
workqueue wg-crypt-wg1: flags=0x128
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: wg_packet_encrypt_worker
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: wg_packet_encrypt_worker
workqueue wg-kex-wg2: flags=0x6
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2
    pending: wg_packet_handshake_send_worker
workqueue wg-crypt-wg2: flags=0x128
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: wg_packet_encrypt_worker
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: wg_packet_encrypt_worker
workqueue wg-kex-wg0: flags=0x124
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: wg_packet_handshake_receive_worker
workqueue wg-kex-wg0: flags=0x6
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2
    pending: wg_packet_handshake_send_worker
workqueue wg-crypt-wg0: flags=0x128
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: wg_packet_encrypt_worker
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: wg_packet_encrypt_worker
workqueue wg-crypt-wg1: flags=0x128
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: wg_packet_encrypt_worker
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: wg_packet_encrypt_worker
workqueue wg-kex-wg2: flags=0x6
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=2 refcnt=3
    pending: 2*wg_packet_handshake_send_worker
workqueue wg-crypt-wg2: flags=0x128
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: wg_packet_encrypt_worker
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: wg_packet_encrypt_worker
pool 2: cpus=0 node=0 flags=0x0 nice=0 hung=32s workers=5 idle: 1016 4468 4748
pool 6: cpus=1 node=0 flags=0x0 nice=0 hung=31s workers=5 idle: 1094
pool 8: cpus=0-1 flags=0x6 nice=0 hung=0s workers=11 manager: 4953
Showing backtraces of busy workers in stalled worker pools:
pool 2:
task:kworker/0:0     state:R  running task     stack:0     pid:9     tgid:9     ppid:2      task_flags:0x4288060 flags:0x00000010
Workqueue: events request_firmware_work_func
Call trace:
 __switch_to+0x2b0/0x6e0 arch/arm64/kernel/process.c:810 (T)
 context_switch kernel/sched/core.c:5388 [inline]
 __schedule+0x1bec/0x2dcc kernel/sched/core.c:7189
 preempt_schedule_common+0xd4/0x190 kernel/sched/core.c:7370
 preempt_schedule+0x60/0x78 kernel/sched/core.c:7394
 __local_bh_enable_ip+0x20c/0x35c kernel/softirq.c:457
 local_bh_enable include/linux/bottom_half.h:33 [inline]
 __alloc_skb+0x1c8/0x5f8 net/core/skbuff.c:697
 alloc_skb include/linux/skbuff.h:1383 [inline]
 alloc_uevent_skb+0x78/0x1e0 lib/kobject_uevent.c:289
 uevent_net_broadcast_untagged lib/kobject_uevent.c:326 [inline]
 kobject_uevent_net_broadcast+0x2d4/0x53c lib/kobject_uevent.c:410
 kobject_uevent_env+0x514/0x940 lib/kobject_uevent.c:611
 kobject_uevent+0x2c/0x3c lib/kobject_uevent.c:659
 device_del+0x5f4/0x710 drivers/base/core.c:3913
 fw_load_sysfs_fallback drivers/base/firmware_loader/fallback.c:124 [inline]
 fw_load_from_user_helper drivers/base/firmware_loader/fallback.c:162 [inline]
 firmware_fallback_sysfs+0x32c/0x910 drivers/base/firmware_loader/fallback.c:238
 _request_firmware+0xb04/0xf00 drivers/base/firmware_loader/main.c:898
 request_firmware_work_func+0xa8/0x19c drivers/base/firmware_loader/main.c:1150
 process_one_work kernel/workqueue.c:3314 [inline]
 process_scheduled_works+0x79c/0x1098 kernel/workqueue.c:3397
 worker_thread+0x754/0xba0 kernel/workqueue.c:3478
 kthread+0x2f8/0x3c8 kernel/kthread.c:436
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:842
pool 2:
task:kworker/0:1     state:R  running task     stack:0     pid:10    tgid:10    ppid:2      task_flags:0x4208060 flags:0x00000010
Workqueue: events nsim_fib_event_work
Call trace:
 __switch_to+0x2b0/0x6e0 arch/arm64/kernel/process.c:810 (T)
 context_switch kernel/sched/core.c:5388 [inline]
 __schedule+0x1bec/0x2dcc kernel/sched/core.c:7189
 __schedule_loop kernel/sched/core.c:7268 [inline]
 schedule+0x140/0x218 kernel/sched/core.c:7283
 schedule_timeout+0x13c/0x28c kernel/time/sleep_timeout.c:99
 schedule_timeout_uninterruptible+0x78/0xbc kernel/time/sleep_timeout.c:158
 msleep+0x3c/0x68 kernel/time/sleep_timeout.c:318
 nsim_fib6_rt_add drivers/net/netdevsim/fib.c:693 [inline]
 nsim_fib6_rt_insert drivers/net/netdevsim/fib.c:759 [inline]
 nsim_fib6_event drivers/net/netdevsim/fib.c:856 [inline]
 nsim_fib_event+0x53c4/0x5f48 drivers/net/netdevsim/fib.c:889
 nsim_fib_event_work+0x1cc/0x30c drivers/net/netdevsim/fib.c:1493
 process_one_work kernel/workqueue.c:3314 [inline]
 process_scheduled_works+0x79c/0x1098 kernel/workqueue.c:3397
 worker_thread+0x754/0xba0 kernel/workqueue.c:3478
 kthread+0x2f8/0x3c8 kernel/kthread.c:436
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:842
pool 6:
task:kworker/1:2     state:R  running task     stack:0     pid:867   tgid:867   ppid:2      task_flags:0x4208060 flags:0x00000010
Workqueue: wg-crypt-wg0 wg_packet_encrypt_worker
Call trace:
 __switch_to+0x2b0/0x6e0 arch/arm64/kernel/process.c:810 (T)
 context_switch kernel/sched/core.c:5388 [inline]
 __schedule+0x1bec/0x2dcc kernel/sched/core.c:7189
 preempt_schedule_common+0xd4/0x190 kernel/sched/core.c:7370
 preempt_schedule+0x60/0x78 kernel/sched/core.c:7394
 __local_bh_enable_ip+0x20c/0x35c kernel/softirq.c:457
 __raw_spin_unlock_bh include/linux/spinlock_api_smp.h:196 [inline]
 _raw_spin_unlock_bh+0x3c/0x4c kernel/locking/spinlock.c:214
 spin_unlock_bh include/linux/spinlock.h:396 [inline]
 ptr_ring_consume_bh include/linux/ptr_ring.h:377 [inline]
 wg_packet_encrypt_worker+0x218/0x1254 drivers/net/wireguard/send.c:293
 process_one_work kernel/workqueue.c:3314 [inline]
 process_scheduled_works+0x79c/0x1098 kernel/workqueue.c:3397
 worker_thread+0x754/0xba0 kernel/workqueue.c:3478
 kthread+0x2f8/0x3c8 kernel/kthread.c:436
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:842
pool 6:
task:kworker/1:1     state:R  running task     stack:0     pid:26    tgid:26    ppid:2      task_flags:0x4208060 flags:0x00000010
Workqueue: mld mld_ifc_work
Call trace:
 __switch_to+0x2b0/0x6e0 arch/arm64/kernel/process.c:810 (T)
 context_switch kernel/sched/core.c:5388 [inline]
 __schedule+0x1bec/0x2dcc kernel/sched/core.c:7189
 preempt_schedule_common+0xd4/0x190 kernel/sched/core.c:7370
 preempt_schedule+0x60/0x78 kernel/sched/core.c:7394
 __local_bh_enable_ip+0x20c/0x35c kernel/softirq.c:457
 local_bh_enable include/linux/bottom_half.h:33 [inline]
 rcu_read_unlock_bh include/linux/rcupdate.h:912 [inline]
 __dev_queue_xmit+0x11dc/0x2c18 net/core/dev.c:4905
 dev_queue_xmit include/linux/netdevice.h:3418 [inline]
 neigh_hh_output include/net/neighbour.h:540 [inline]
 neigh_output include/net/neighbour.h:554 [inline]
 ip6_finish_output2+0xcb0/0x1a7c net/ipv6/ip6_output.c:136
 __ip6_finish_output net/ipv6/ip6_output.c:-1 [inline]
 ip6_finish_output+0x230/0x618 net/ipv6/ip6_output.c:219
 NF_HOOK_COND include/linux/netfilter.h:307 [inline]
 ip6_output+0x2d0/0x644 net/ipv6/ip6_output.c:246
 dst_output include/net/dst.h:470 [inline]
 NF_HOOK+0x14c/0x45c include/linux/netfilter.h:318
 mld_sendpack+0x7fc/0xff0 net/ipv6/mcast.c:1855
 mld_send_cr net/ipv6/mcast.c:2154 [inline]
 mld_ifc_work+0x760/0x9dc net/ipv6/mcast.c:2693
 process_one_work kernel/workqueue.c:3314 [inline]
 process_scheduled_works+0x79c/0x1098 kernel/workqueue.c:3397
 worker_thread+0x754/0xba0 kernel/workqueue.c:3478
 kthread+0x2f8/0x3c8 kernel/kthread.c:436
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:842
pool 6:
task:kworker/1:4     state:R  running task     stack:0     pid:4849  tgid:4849  ppid:2      task_flags:0x4208060 flags:0x00000010
Workqueue: events nsim_fib_event_work
Call trace:
 __switch_to+0x2b0/0x6e0 arch/arm64/kernel/process.c:810 (T)
 context_switch kernel/sched/core.c:5388 [inline]
 __schedule+0x1bec/0x2dcc kernel/sched/core.c:7189
 preempt_schedule_common+0xd4/0x190 kernel/sched/core.c:7370
 preempt_schedule+0x60/0x78 kernel/sched/core.c:7394
 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:179 [inline]
 _raw_spin_unlock_irqrestore+0x94/0x98 kernel/locking/spinlock.c:198
 __debug_check_no_obj_freed lib/debugobjects.c:1125 [inline]
 debug_check_no_obj_freed+0x2e4/0x3c0 lib/debugobjects.c:1146
 __free_pages_prepare mm/page_alloc.c:1409 [inline]
 __free_frozen_pages+0x488/0xb90 mm/page_alloc.c:2943
 free_frozen_pages+0x14/0x20 mm/page_alloc.c:2981
 __free_slab+0x11c/0x1b4 mm/slub.c:3541
 free_slab+0x2c/0x154 mm/slub.c:3575
 discard_slab+0x48/0x90 mm/slub.c:3581
 __slab_free+0x1a8/0x1d8 mm/slub.c:5612
 ___cache_free+0x80/0x94 mm/slub.c:6322
 qlink_free mm/kasan/quarantine.c:163 [inline]
 qlist_free_all+0xb4/0x120 mm/kasan/quarantine.c:179
 kasan_quarantine_reduce+0x118/0x124 mm/kasan/quarantine.c:286
 __kasan_kmalloc+0x2c/0xb4 mm/kasan/common.c:406
 kasan_kmalloc include/linux/kasan.h:263 [inline]
 __kmalloc_cache_noprof+0x2d4/0x624 mm/slub.c:5419
 kmalloc_noprof include/linux/slab.h:950 [inline]
 kzalloc_noprof include/linux/slab.h:1188 [inline]
 nsim_fib6_rt_nh_add+0x64/0x214 drivers/net/netdevsim/fib.c:500
 nsim_fib6_rt_create drivers/net/netdevsim/fib.c:562 [inline]
 nsim_fib6_rt_insert drivers/net/netdevsim/fib.c:752 [inline]
 nsim_fib6_event drivers/net/netdevsim/fib.c:856 [inline]
 nsim_fib_event+0xac4/0x5f48 drivers/net/netdevsim/fib.c:889