Extracting prog: 14m51.270688334s
Minimizing prog: 56m38.884350805s
Simplifying prog options: 0s
Extracting C: 3m1.998465207s
Simplifying C: 50m32.49627517s


extracting reproducer from 34 programs
testing a last program of every proc
single: executing 7 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}}): prctl$PR_SET_TAGGED_ADDR_CTRL-fsmount-bpf$ITER_CREATE-epoll_create1-epoll_pwait
detailed listing:
executing program 0:
prctl$PR_SET_TAGGED_ADDR_CTRL(0x37, 0x1)
r0 = fsmount(0xffffffffffffffff, 0x1, 0x70)
bpf$ITER_CREATE(0x21, &(0x7f0000000000)={r0}, 0x8)
r1 = epoll_create1(0x0)
epoll_pwait(r1, 0xffffffffffffffff, 0x40, 0x8000005, 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$qrtr-ioctl$sock_SIOCSIFVLAN_SET_VLAN_NAME_TYPE_CMD-socketpair$unix-openat$vimc2-ioctl$TIOCGPGRP-ioctl$DRM_IOCTL_GET_CLIENT-fstat-syz_clone3-fstat-getsockopt$sock_cred-statx-getegid-fcntl$getown-ioctl$NS_GET_OWNER_UID-fstat-fcntl$getownex-statx-getresgid-gettid-getsockopt$inet6_IPV6_IPSEC_POLICY-getsockopt$inet6_IPV6_IPSEC_POLICY-read$FUSE-ioctl$sock_SIOCGPGRP-getsockopt$inet_IP_XFRM_POLICY-getgid-syz_open_dev$sndmidi-openat$sequencer2-sendmmsg$unix-preadv-mmap
detailed listing:
executing program 0:
r0 = socket$qrtr(0x2a, 0x2, 0x0)
ioctl$sock_SIOCSIFVLAN_SET_VLAN_NAME_TYPE_CMD(r0, 0x8983, &(0x7f0000000000)={0x6, 'geneve0\x00', {0xe7d}, 0x9}) (async)
socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000040)={0xffffffffffffffff, <r1=>0xffffffffffffffff}) (async)
r2 = openat$vimc2(0xffffffffffffff9c, &(0x7f0000000240), 0x2, 0x0)
ioctl$TIOCGPGRP(0xffffffffffffffff, 0x540f, &(0x7f0000000280)=<r3=>0x0) (async)
ioctl$DRM_IOCTL_GET_CLIENT(0xffffffffffffffff, 0xc0286405, &(0x7f00000002c0)={0x8, 0x4, {}, {<r4=>0xee01}, 0xa, 0x8}) (async)
fstat(r0, &(0x7f0000000300)={0x0, 0x0, 0x0, 0x0, 0x0, <r5=>0x0})
r6 = syz_clone3(&(0x7f00000005c0)={0x200260000, &(0x7f0000000380), &(0x7f00000003c0), &(0x7f0000000400), {0xd}, &(0x7f0000000440), 0x0, &(0x7f0000000480)=""/215, &(0x7f0000000580)=[0xffffffffffffffff], 0x1}, 0x58) (async)
fstat(r0, &(0x7f0000000640)={0x0, 0x0, 0x0, 0x0, <r7=>0x0})
getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f00000006c0)={0x0, 0x0, <r8=>0x0}, &(0x7f0000000700)=0xc) (async)
statx(0xffffffffffffff9c, &(0x7f0000000740)='./file0\x00', 0x2000, 0x100, &(0x7f0000000780)={0x0, 0x0, 0x0, 0x0, <r9=>0x0})
r10 = getegid() (async)
r11 = fcntl$getown(r0, 0x9) (async)
ioctl$NS_GET_OWNER_UID(0xffffffffffffffff, 0xb704, &(0x7f0000000880)=<r12=>0x0) (async)
fstat(r0, &(0x7f00000008c0)={0x0, 0x0, 0x0, 0x0, 0x0, <r13=>0x0}) (async)
fcntl$getownex(r0, 0x10, &(0x7f0000000c40)={0x0, <r14=>0x0}) (async)
statx(0xffffffffffffff9c, &(0x7f0000000c80)='./file0\x00', 0x4000, 0x20, &(0x7f0000000cc0)={0x0, 0x0, 0x0, 0x0, <r15=>0x0}) (async)
getresgid(&(0x7f0000000dc0), &(0x7f0000000e00), &(0x7f0000000e40)=<r16=>0x0) (async)
r17 = gettid() (async)
getsockopt$inet6_IPV6_IPSEC_POLICY(0xffffffffffffffff, 0x29, 0x22, &(0x7f0000000e80)={{{@in=@empty, @in=@multicast1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, <r18=>0x0}}, {{@in6=@private2}, 0x0, @in6=@private0}}, &(0x7f0000000f80)=0xe8) (async)
getsockopt$inet6_IPV6_IPSEC_POLICY(0xffffffffffffffff, 0x29, 0x22, &(0x7f0000000fc0)={{{@in6=@mcast1, @in=@dev, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, <r19=>0x0}}, {{@in=@private}, 0x0, @in6=@private0}}, &(0x7f00000010c0)=0xe8) (async)
read$FUSE(r0, &(0x7f0000001100)={0x2020, 0x0, 0x0, 0x0, <r20=>0x0}, 0x2020) (async)
ioctl$sock_SIOCGPGRP(r0, 0x8904, &(0x7f0000003140)=<r21=>0x0)
getsockopt$inet_IP_XFRM_POLICY(0xffffffffffffffff, 0x0, 0x11, &(0x7f0000003180)={{{@in6, @in=@initdev, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, <r22=>0x0}}, {{@in=@loopback}, 0x0, @in=@broadcast}}, &(0x7f0000003280)=0xe8) (async)
r23 = getgid()
r24 = syz_open_dev$sndmidi(&(0x7f00000032c0), 0x14, 0x8000)
r25 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000003300), 0x48000, 0x0)
sendmmsg$unix(r1, &(0x7f0000003400)=[{{&(0x7f0000000080)=@abs={0x0, 0x0, 0x4e22}, 0x6e, &(0x7f0000000200)=[{&(0x7f0000000100)="3f8e4a3761cf9b8eedf19d111aea7700dd56b1bbb524e183beba6c12a0adf3fa1f89dfe14c4d65a1bee0876d6a80678346a7689e9fcce96c8503064dd6884e26e93591b92f3c756c87b376291cbd12fe8c7a0cacced62a3c6e2adb991dccd33a5aad4f87de2124f30b8e99a9e6abf3e9240b63e2abe9d9b30ee1b8038c9500ad55c680ea0ce683d3f31f32ee00db513a32183a4b0678d54701cdb3c230cb1a33f6b9ab930001e537b5d2aa03e8eab1d808d9885255d0178d99761503559b8733cdb3bf07f68d2601454a88edb0edbd6b264a", 0xd2}], 0x1, &(0x7f0000000940)=[@rights={{0x34, 0x1, 0x1, [r0, r0, r0, r2, r0, r0, r0, r0, r0]}}, @cred={{0x1c, 0x1, 0x2, {r3, r4, r5}}}, @cred={{0x1c, 0x1, 0x2, {r6, r7, r8}}}, @rights={{0x14, 0x1, 0x1, [r0]}}, @cred={{0x1c, 0x1, 0x2, {0x0, r9, r10}}}, @cred={{0x1c, 0x1, 0x2, {r11, r12, r13}}}], 0xd0, 0x80b4}}, {{&(0x7f0000000a40)=@file={0x1, './file0\x00'}, 0x6e, &(0x7f0000000c00)=[{&(0x7f0000000ac0)="8019d2626e383abc8fdee295b1f8b9db48572ec48cf6a3d843bb7e540bcd20eb788d1d85ed801b8cead257874017efefcb8296c0d026480b3598a65717d791f25c32466c4189b13c1c9c69741b327015f4c088d7cbdd40", 0x57}, {&(0x7f0000000b40)="17e6665abc6d976490c49fca0e6ef6b10879c0491d24ef5fc534c0dfcecea0091faec7adb71ddf28231aac7e4a867aa9aea5d0f58ce67cc1dc50a3a268e88708ea2bfabf8910a5b9443a2c47fc583a2aeb1d6e31245b395f12f1d39f4cf693fd2858c4686fb6142fa60d291a1956bf5c3d9863ecdbb0450da58ff88a55f7d190430d6ab0da44aa6f45fbc407b9245606e4093fffcd1dd9d9ccaa367c8de53f3bafb88eccc271ae798afad7e4db103918df0c78dcd1d7418cff5535", 0xbb}], 0x2, &(0x7f0000003340)=[@cred={{0x1c, 0x1, 0x2, {r14, r15, r16}}}, @rights={{0x14, 0x1, 0x1, [r0]}}, @cred={{0x1c, 0x1, 0x2, {r17, r18}}}, @cred={{0x1c, 0x1, 0x2, {0x0, r19, r20}}}, @cred={{0x1c, 0x1, 0x2, {r21, r22, r23}}}, @rights={{0x28, 0x1, 0x1, [r0, r24, r0, r0, r0, r25]}}], 0xc0, 0x4084}}], 0x2, 0x20040080) (async)
preadv(r1, &(0x7f00000037c0)=[{&(0x7f0000003480)=""/209, 0xd1}, {&(0x7f0000003580)=""/16, 0x10}, {&(0x7f00000035c0)=""/98, 0x62}, {&(0x7f0000003640)=""/85, 0x55}, {&(0x7f00000036c0)=""/152, 0x98}, {&(0x7f0000003780)=""/64, 0x40}], 0x6, 0x4, 0x8001)
mmap(&(0x7f0000ffb000/0x3000)=nil, 0x3000, 0x6, 0x13, r1, 0x886f7000)

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}}): socket$inet-ioctl$sock_SIOCGIFINDEX-socket$netlink-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket$inet(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f00000002c0)={'bond0\x00', <r1=>0x0})
r2 = socket$netlink(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r2, &(0x7f00000007c0)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000001b00)=@newqdisc={0xac, 0x24, 0xf0b, 0x70bd2b, 0x0, {0x0, 0x0, 0x12, r1, {}, {0xffff, 0xffff}, {0x2}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x7c, 0x2, [@TCA_TAPRIO_ATTR_PRIOMAP={0x56, 0x1, {0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1], 0x0, [0x5, 0x4, 0x2, 0x0, 0x8, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3], [0x0, 0x8]}}, @TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x18, 0x2, 0x0, 0x1, [{0x14, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x3}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x18cb}]}]}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8, 0x5, 0x7}]}}]}, 0xac}}, 0x0)

program crashed: BUG: workqueue lockup
single: successfully extracted reproducer
found reproducer with 4 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}}): socket$inet-ioctl$sock_SIOCGIFINDEX-socket$netlink
detailed listing:
executing program 0:
r0 = socket$inet(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f00000002c0)={'bond0\x00'})
socket$netlink(0x10, 0x3, 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}}): socket$inet-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket$inet(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f00000002c0)={'bond0\x00', <r1=>0x0})
sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f00000007c0)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000001b00)=@newqdisc={0xac, 0x24, 0xf0b, 0x70bd2b, 0x0, {0x0, 0x0, 0x12, r1, {}, {0xffff, 0xffff}, {0x2}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x7c, 0x2, [@TCA_TAPRIO_ATTR_PRIOMAP={0x56, 0x1, {0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1], 0x0, [0x5, 0x4, 0x2, 0x0, 0x8, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3], [0x0, 0x8]}}, @TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x18, 0x2, 0x0, 0x1, [{0x14, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x3}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x18cb}]}]}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8, 0x5, 0x7}]}}]}, 0xac}}, 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}}): socket$inet-socket$netlink-sendmsg$nl_route_sched
detailed listing:
executing program 0:
socket$inet(0x10, 0x3, 0x0)
r0 = socket$netlink(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r0, &(0x7f00000007c0)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000001b00)=@newqdisc={0xac, 0x24, 0xf0b, 0x70bd2b, 0x0, {0x0, 0x0, 0x12, 0x0, {}, {0xffff, 0xffff}, {0x2}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x7c, 0x2, [@TCA_TAPRIO_ATTR_PRIOMAP={0x56, 0x1, {0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1], 0x0, [0x5, 0x4, 0x2, 0x0, 0x8, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3], [0x0, 0x8]}}, @TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x18, 0x2, 0x0, 0x1, [{0x14, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x3}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x18cb}]}]}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8, 0x5, 0x7}]}}]}, 0xac}}, 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}}): ioctl$sock_SIOCGIFINDEX-socket$netlink-sendmsg$nl_route_sched
detailed listing:
executing program 0:
ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f00000002c0)={'bond0\x00', <r0=>0x0})
r1 = socket$netlink(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r1, &(0x7f00000007c0)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000001b00)=@newqdisc={0xac, 0x24, 0xf0b, 0x70bd2b, 0x0, {0x0, 0x0, 0x12, r0, {}, {0xffff, 0xffff}, {0x2}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x7c, 0x2, [@TCA_TAPRIO_ATTR_PRIOMAP={0x56, 0x1, {0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1], 0x0, [0x5, 0x4, 0x2, 0x0, 0x8, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3], [0x0, 0x8]}}, @TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x18, 0x2, 0x0, 0x1, [{0x14, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x3}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x18cb}]}]}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8, 0x5, 0x7}]}}]}, 0xac}}, 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}}): socket$inet-ioctl$sock_SIOCGIFINDEX-socket$netlink-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket$inet(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, 0x0)
r1 = socket$netlink(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r1, &(0x7f00000007c0)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000001b00)=@newqdisc={0xac, 0x24, 0xf0b, 0x70bd2b, 0x0, {0x0, 0x0, 0x12, 0x0, {}, {0xffff, 0xffff}, {0x2}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x7c, 0x2, [@TCA_TAPRIO_ATTR_PRIOMAP={0x56, 0x1, {0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1], 0x0, [0x5, 0x4, 0x2, 0x0, 0x8, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3], [0x0, 0x8]}}, @TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x18, 0x2, 0x0, 0x1, [{0x14, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x3}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x18cb}]}]}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8, 0x5, 0x7}]}}]}, 0xac}}, 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}}): socket$inet-ioctl$sock_SIOCGIFINDEX-socket$netlink-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket$inet(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f00000002c0)={'bond0\x00'})
r1 = socket$netlink(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r1, 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-ioctl$sock_SIOCGIFINDEX-socket$netlink-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket$inet(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f00000002c0)={'bond0\x00'})
r1 = socket$netlink(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r1, &(0x7f00000007c0)={0x0, 0x0, 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-ioctl$sock_SIOCGIFINDEX-socket$netlink-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket$inet(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f00000002c0)={'bond0\x00'})
r1 = socket$netlink(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r1, &(0x7f00000007c0)={0x0, 0x0, &(0x7f0000000780)={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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-ioctl$sock_SIOCGIFINDEX-socket$netlink-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket$inet(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f00000002c0)={'bond0\x00', <r1=>0x0})
r2 = socket$netlink(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r2, &(0x7f00000007c0)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000001b00)=@newqdisc={0x34, 0x24, 0xf0b, 0x70bd2b, 0x0, {0x0, 0x0, 0x12, r1, {}, {0xffff, 0xffff}, {0x2}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x4}}]}, 0x34}}, 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}}): socket$inet-ioctl$sock_SIOCGIFINDEX-socket$netlink-sendmsg$nl_route_sched
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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-ioctl$sock_SIOCGIFINDEX-socket$netlink-sendmsg$nl_route_sched
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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-ioctl$sock_SIOCGIFINDEX-socket$netlink-sendmsg$nl_route_sched
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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-ioctl$sock_SIOCGIFINDEX-socket$netlink-sendmsg$nl_route_sched
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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-ioctl$sock_SIOCGIFINDEX-socket$netlink-sendmsg$nl_route_sched
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:false 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}}): socket$inet-ioctl$sock_SIOCGIFINDEX-socket$netlink-sendmsg$nl_route_sched
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: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}}): socket$inet-ioctl$sock_SIOCGIFINDEX-socket$netlink-sendmsg$nl_route_sched
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:false NetDevices:true NetReset:false 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}}): socket$inet-ioctl$sock_SIOCGIFINDEX-socket$netlink-sendmsg$nl_route_sched
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:false NetDevices:true NetReset:false 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}}): socket$inet-ioctl$sock_SIOCGIFINDEX-socket$netlink-sendmsg$nl_route_sched
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:false NetDevices:true NetReset:false 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}}): socket$inet-ioctl$sock_SIOCGIFINDEX-socket$netlink-sendmsg$nl_route_sched
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:false NetDevices:true NetReset:false 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}}): socket$inet-ioctl$sock_SIOCGIFINDEX-socket$netlink-sendmsg$nl_route_sched
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:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-ioctl$sock_SIOCGIFINDEX-socket$netlink-sendmsg$nl_route_sched
program crashed: INFO: task hung in rtnetlink_rcv_msg
a never seen crash title: INFO: task hung in rtnetlink_rcv_msg, 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:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:true IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-ioctl$sock_SIOCGIFINDEX-socket$netlink-sendmsg$nl_route_sched
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:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:true IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-ioctl$sock_SIOCGIFINDEX-socket$netlink-sendmsg$nl_route_sched
program crashed: unregister_netdevice: waiting for DEV to become free
a never seen crash title: unregister_netdevice: waiting for DEV to become free, 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:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:true IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-ioctl$sock_SIOCGIFINDEX-socket$netlink-sendmsg$nl_route_sched
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:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:true IEEE802154:false Sysctl:false Swap:true UseTmpDir:true HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-ioctl$sock_SIOCGIFINDEX-socket$netlink-sendmsg$nl_route_sched
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:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:true IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-ioctl$sock_SIOCGIFINDEX-socket$netlink-sendmsg$nl_route_sched
program crashed: BUG: workqueue lockup
reproducing took 2h5m4.649806612s
repro crashed as (corrupted=false):
BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 43s!
Showing busy workqueues and worker pools:
workqueue events: flags=0x0
  pwq 2: cpus=0 node=0 flags=0x2 nice=0 active=8 refcnt=9
    pending: vmstat_shepherd, 3*ovs_dp_masks_rebalance, 4*nsim_dev_hwstats_traffic_work
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=14 refcnt=15
    in-flight: 24:request_firmware_work_func ,6068:nsim_fib_event_work nsim_fib_event_work ,6526:nsim_fib_event_work nsim_fib_event_work ,6529:nsim_fib_event_work nsim_fib_event_work ,6527:nsim_fib_event_work nsim_fib_event_work
    pending: nsim_dev_hwstats_traffic_work, 2*ovs_dp_masks_rebalance, psi_avgs_work, ovs_dp_masks_rebalance
workqueue events_long: flags=0x0
  pwq 2: cpus=0 node=0 flags=0x2 nice=0 active=3 refcnt=4
    pending: 3*defense_work_handler
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=3 refcnt=4
    pending: 3*defense_work_handler
workqueue events_unbound: flags=0x2
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=8 refcnt=9
    in-flight: 484:nsim_dev_trap_report_work
    pending: flush_memcg_stats_dwork, toggle_allocation_gate, nsim_dev_trap_report_work, crng_reseed, 3*nsim_dev_trap_report_work
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=13 refcnt=14
    in-flight: 12:cfg80211_wiphy_work ,14:cfg80211_wiphy_work cfg80211_wiphy_work ,219:linkwatch_event ,45:cfg80211_wiphy_work cfg80211_wiphy_work ,2199:cfg80211_wiphy_work cfg80211_wiphy_work ,2108:cfg80211_wiphy_work ,40:cfg80211_wiphy_work cfg80211_wiphy_work
    pending: 2*cfg80211_wiphy_work
workqueue events_power_efficient: flags=0x82
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=5 refcnt=6
    in-flight: 2157:wg_ratelimiter_gc_entries
    pending: 2*neigh_managed_work, neigh_periodic_work, fb_flashcursor
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=3 refcnt=4
    pending: neigh_periodic_work, do_cache_clean, gc_worker
workqueue mm_percpu_wq: flags=0x8
  pwq 2: cpus=0 node=0 flags=0x2 nice=0 active=1 refcnt=2
    in-flight: 1800: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=2 refcnt=5 MAYDAY
    in-flight: 34(RESCUER):wb_workfn
    pending: wb_update_bandwidth_workfn
workqueue dm_bufio_cache: flags=0x8
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: work_fn
workqueue mld: flags=0x40008
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=82
    pending: mld_ifc_work
    inactive: 7*mld_ifc_work, mld_dad_work, 2*mld_ifc_work, mld_dad_work, mld_ifc_work, mld_dad_work, 8*mld_ifc_work, mld_dad_work, 4*mld_ifc_work, 2*mld_dad_work, 9*mld_ifc_work, mld_dad_work, 4*mld_ifc_work, mld_dad_work, 2*mld_ifc_work, 2*mld_dad_work, 9*mld_ifc_work, mld_dad_work, 4*mld_ifc_work, 2*mld_dad_work, 8*mld_ifc_work, 2*mld_dad_work, 2*mld_ifc_work, mld_dad_work, 4*mld_ifc_work
workqueue ipv6_addrconf: flags=0x6000a
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=400 MAYDAY
    in-flight: 4139(RESCUER):addrconf_dad_work
    inactive: 394*addrconf_dad_work
workqueue bat_events: flags=0x6000a
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=47
    in-flight: 4220(RESCUER):batadv_dat_purge
    inactive: batadv_dat_purge, 2*batadv_bla_periodic_work, batadv_dat_purge, batadv_tt_purge, batadv_bla_periodic_work, batadv_tt_purge, batadv_dat_purge, batadv_bla_periodic_work, batadv_nc_worker, batadv_dat_purge, batadv_bla_periodic_work, 3*batadv_purge_orig, 4*batadv_mcast_mla_update, batadv_purge_orig, 7*batadv_iv_send_outstanding_bat_ogm_packet, batadv_tt_purge, 5*batadv_iv_send_outstanding_bat_ogm_packet, batadv_nc_worker, 2*batadv_iv_send_outstanding_bat_ogm_packet, batadv_purge_orig, 2*batadv_nc_worker, batadv_mcast_mla_update, batadv_tt_purge, batadv_nc_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=0x28
  pwq 2: cpus=0 node=0 flags=0x2 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
    pending: wg_packet_tx_worker, 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=0x28
  pwq 2: cpus=0 node=0 flags=0x2 nice=0 active=1 refcnt=2
    pending: wg_packet_tx_worker
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=3 refcnt=4
    pending: wg_packet_encrypt_worker, wg_packet_decrypt_worker, wg_packet_tx_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=0x28
  pwq 2: cpus=0 node=0 flags=0x2 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
    pending: wg_packet_tx_worker, 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=0x28
  pwq 2: cpus=0 node=0 flags=0x2 nice=0 active=1 refcnt=2
    pending: wg_packet_encrypt_worker
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=3 refcnt=4
    pending: wg_packet_encrypt_worker, wg_packet_decrypt_worker, wg_packet_tx_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=0x28
  pwq 2: cpus=0 node=0 flags=0x2 nice=0 active=1 refcnt=2
    pending: wg_packet_encrypt_worker
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=3 refcnt=4
    pending: wg_packet_encrypt_worker, wg_packet_tx_worker, wg_packet_decrypt_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=0x28
  pwq 2: cpus=0 node=0 flags=0x2 nice=0 active=1 refcnt=2
    pending: wg_packet_tx_worker
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=2 refcnt=3
    pending: wg_packet_tx_worker, wg_packet_encrypt_worker
workqueue wg-kex-wg0: 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=0x28
  pwq 2: cpus=0 node=0 flags=0x2 nice=0 active=1 refcnt=2
    pending: wg_packet_encrypt_worker
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=3 refcnt=4
    pending: wg_packet_encrypt_worker, wg_packet_decrypt_worker, wg_packet_tx_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=0x28
  pwq 2: cpus=0 node=0 flags=0x2 nice=0 active=1 refcnt=2
    pending: wg_packet_encrypt_worker
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=3 refcnt=4
    pending: wg_packet_encrypt_worker, wg_packet_tx_worker, wg_packet_decrypt_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=0x28
  pwq 2: cpus=0 node=0 flags=0x2 nice=0 active=1 refcnt=2
    pending: wg_packet_encrypt_worker
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=3 refcnt=4
    pending: wg_packet_decrypt_worker, wg_packet_encrypt_worker, wg_packet_tx_worker
pool 2: cpus=0 node=0 flags=0x2 nice=0 hung=10s workers=5 manager: 6528 idle: 6550 11 9
pool 6: cpus=1 node=0 flags=0x0 nice=0 hung=44s workers=9 idle: 6531 6539 6530 26
pool 8: cpus=0-1 flags=0x6 nice=0 hung=2s workers=10 manager: 6549
Showing backtraces of running workers in stalled CPU-bound worker pools:
pool 6:
task:kworker/1:0     state:R  running task     stack:0     pid:24    tgid:24    ppid:2      task_flags:0x4288060 flags:0x00000010
Workqueue: events request_firmware_work_func
Call trace:
 __switch_to+0x414/0x834 arch/arm64/kernel/process.c:734 (T)
 context_switch kernel/sched/core.c:5382 [inline]
 __schedule+0x13b0/0x28d4 kernel/sched/core.c:6767
 preempt_schedule_irq+0x80/0x188 kernel/sched/core.c:7090
 arm64_preempt_schedule_irq+0x44/0x58 arch/arm64/kernel/entry-common.c:301
 __el1_irq arch/arm64/kernel/entry-common.c:586 [inline]
 el1_interrupt+0x3c/0x54 arch/arm64/kernel/entry-common.c:598
 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:603
 el1h_64_irq+0x6c/0x70 arch/arm64/kernel/entry.S:596
 __daif_local_irq_restore arch/arm64/include/asm/irqflags.h:175 [inline] (P)
 arch_local_irq_restore+0x8/0xc arch/arm64/include/asm/irqflags.h:195 (P)
 lock_is_held include/linux/lockdep.h:249 [inline]
 rcu_read_lock_held+0x34/0x50 kernel/rcu/update.c:351
 sock_def_readable+0x1a0/0x5b4 net/core/sock.c:3531
 __netlink_sendskb net/netlink/af_netlink.c:1259 [inline]
 netlink_broadcast_deliver net/netlink/af_netlink.c:1390 [inline]
 do_one_broadcast net/netlink/af_netlink.c:1477 [inline]
 netlink_broadcast_filtered+0xb48/0x10c4 net/netlink/af_netlink.c:1522
 netlink_broadcast+0x50/0x68 net/netlink/af_netlink.c:1546
 uevent_net_broadcast_untagged lib/kobject_uevent.c:331 [inline]
 kobject_uevent_net_broadcast+0x33c/0x548 lib/kobject_uevent.c:410
 kobject_uevent_env+0x528/0x884 lib/kobject_uevent.c:608
 kobject_uevent+0x2c/0x3c lib/kobject_uevent.c:656
 device_del+0x684/0x808 drivers/base/core.c:3899
 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/0x8b4 drivers/base/firmware_loader/fallback.c:238
 _request_firmware+0xfd8/0x12d8 drivers/base/firmware_loader/main.c:941
 request_firmware_work_func+0xa8/0x19c drivers/base/firmware_loader/main.c:1194
 process_one_work+0x7e8/0x156c kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x958/0xed8 kernel/workqueue.c:3400
 kthread+0x5fc/0x75c kernel/kthread.c:464
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:847
pool 6:
task:kworker/1:2     state:R  running task     stack:0     pid:6068  tgid:6068  ppid:2      task_flags:0x4208060 flags:0x00000010
Workqueue: events nsim_fib_event_work
Call trace:
 __switch_to+0x414/0x834 arch/arm64/kernel/process.c:734 (T)
 context_switch kernel/sched/core.c:5382 [inline]
 __schedule+0x13b0/0x28d4 kernel/sched/core.c:6767
 preempt_schedule_irq+0x80/0x188 kernel/sched/core.c:7090
 arm64_preempt_schedule_irq+0x44/0x58 arch/arm64/kernel/entry-common.c:301
 __el1_irq arch/arm64/kernel/entry-common.c:586 [inline]
 el1_interrupt+0x3c/0x54 arch/arm64/kernel/entry-common.c:598
 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:603
 el1h_64_irq+0x6c/0x70 arch/arm64/kernel/entry.S:596
 __daif_local_irq_restore arch/arm64/include/asm/irqflags.h:175 [inline] (P)
 arch_local_irq_restore arch/arm64/include/asm/irqflags.h:195 [inline] (P)
 put_cpu_partial+0x154/0x1c0 mm/slub.c:3257 (P)
 __slab_free+0x1b0/0x280 mm/slub.c:4512
 do_slab_free mm/slub.c:4594 [inline]
 ___cache_free+0x150/0x170 mm/slub.c:4700
 qlink_free+0x48/0x94 mm/kasan/quarantine.c:163
 qlist_free_all+0x44/0xb8 mm/kasan/quarantine.c:179
 kasan_quarantine_reduce+0x118/0x124 mm/kasan/quarantine.c:286
 __kasan_slab_alloc+0x2c/0x88 mm/kasan/common.c:329
 kasan_slab_alloc include/linux/kasan.h:250 [inline]
 slab_post_alloc_hook mm/slub.c:4147 [inline]
 slab_alloc_node mm/slub.c:4196 [inline]
 __kmalloc_cache_noprof+0x238/0x3fc mm/slub.c:4353
 kmalloc_noprof include/linux/slab.h:905 [inline]
 kzalloc_noprof include/linux/slab.h:1039 [inline]
 nsim_fib4_rt_create drivers/net/netdevsim/fib.c:280 [inline]
 nsim_fib4_rt_insert drivers/net/netdevsim/fib.c:426 [inline]
 nsim_fib4_event drivers/net/netdevsim/fib.c:464 [inline]
 nsim_fib_event drivers/net/netdevsim/fib.c:884 [inline]
 nsim_fib_event_work+0x5f0/0x25b8 drivers/net/netdevsim/fib.c:1493
 process_one_work+0x7e8/0x156c kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x990/0xed8 kernel/workqueue.c:3400
 kthread+0x5fc/0x75c kernel/kthread.c:464
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:847
pool 6:
task:kworker/1:3     state:R  running task     stack:0     pid:6526  tgid:6526  ppid:2      task_flags:0x4208060 flags:0x00000010
Workqueue: events nsim_fib_event_work
Call trace:
 __switch_to+0x414/0x834 arch/arm64/kernel/process.c:734 (T)
 0x80400005
pool 6:
task:kworker/1:5     state:R  running task     stack:0     pid:6529  tgid:6529  ppid:2      task_flags:0x4208060 flags:0x00000010
Workqueue: events nsim_fib_event_work
Call trace:
 __switch_to+0x414/0x834 arch/arm64/kernel/process.c:734 (T)
 context_switch kernel/sched/core.c:5382 [inline]
 __schedule+0x13b0/0x28d4 kernel/sched/core.c:6767
 preempt_schedule_irq+0x80/0x188 kernel/sched/core.c:7090
 arm64_preempt_schedule_irq+0x44/0x58 arch/arm64/kernel/entry-common.c:301
 __el1_irq arch/arm64/kernel/entry-common.c:586 [inline]
 el1_interrupt+0x3c/0x54 arch/arm64/kernel/entry-common.c:598
 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:603
 el1h_64_irq+0x6c/0x70 arch/arm64/kernel/entry.S:596
 preempt_schedule+0x0/0x80 (P)
 spin_unlock_irqrestore include/linux/spinlock.h:406 [inline]
 __slab_free+0x1d0/0x280 mm/slub.c:4551
 do_slab_free mm/slub.c:4594 [inline]
 ___cache_free+0x150/0x170 mm/slub.c:4700
 qlink_free+0x48/0x94 mm/kasan/quarantine.c:163
 qlist_free_all+0x44/0xb8 mm/kasan/quarantine.c:179
 kasan_quarantine_reduce+0x118/0x124 mm/kasan/quarantine.c:286
 __kasan_slab_alloc+0x2c/0x88 mm/kasan/common.c:329
 kasan_slab_alloc include/linux/kasan.h:250 [inline]
 slab_post_alloc_hook mm/slub.c:4147 [inline]
 slab_alloc_node mm/slub.c:4196 [inline]
 __kmalloc_cache_noprof+0x238/0x3fc mm/slub.c:4353
 kmalloc_noprof include/linux/slab.h:905 [inline]
 kzalloc_noprof include/linux/slab.h:1039 [inline]
 nsim_fib6_rt_create drivers/net/netdevsim/fib.c:547 [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 drivers/net/netdevsim/fib.c:889 [inline]
 nsim_fib_event_work+0xc98/0x25b8 drivers/net/netdevsim/fib.c:1493
 process_one_work+0x7e8/0x156c kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x990/0xed8 kernel/workqueue.c:3400
 kthread+0x5fc/0x75c kernel/kthread.c:464
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:847
pool 6:
task:kworker/1:4     state:R  running task     stack:0     pid:6527  tgid:6527  ppid:2      task_flags:0x4208060 flags:0x00000010
Workqueue: events nsim_fib_event_work
Call trace:
 __switch_to+0x414/0x834 arch/arm64/kernel/process.c:734 (T)
 context_switch kernel/sched/core.c:5382 [inline]
 __schedule+0x13b0/0x28d4 kernel/sched/core.c:6767
 preempt_schedule_common+0xe0/0x194 kernel/sched/core.c:6947
 preempt_schedule+0x60/0x80 kernel/sched/core.c:6971
 rcu_read_unlock_sched include/linux/rcupdate.h:955 [inline]
 pfn_valid+0x1f8/0x200 include/linux/mmzone.h:-1
 lowmem_page_address include/linux/mm.h:2345 [inline]
 __kasan_poison_pages+0x40/0x90 mm/kasan/common.c:141
 kasan_poison_pages include/linux/kasan.h:117 [inline]
 free_pages_prepare mm/page_alloc.c:1284 [inline]
 __free_frozen_pages+0x4ec/0xd14 mm/page_alloc.c:2725
 free_frozen_pages+0x14/0x20 mm/page_alloc.c:2763
 __free_slab+0x110/0x1e8 mm/slub.c:2687
 free_slab+0x24/0x120 mm/slub.c:2710
 discard_slab+0x50/0xb8 mm/slub.c:2716
 __slab_free+0x1dc/0x280 mm/slub.c:4553
 do_slab_free mm/slub.c:4594 [inline]
 ___cache_free+0x150/0x170 mm/slub.c:4700
 qlink_free+0x48/0x94 mm/kasan/quarantine.c:163
 qlist_free_all+0x44/0xb8 mm/kasan/quarantine.c:179
 kasan_quarantine_reduce+0x118/0x124 mm/kasan/quarantine.c:286
 __kasan_slab_alloc+0x2c/0x88 mm/kasan/common.c:329
 kasan_slab_alloc include/linux/kasan.h:250 [inline]
 slab_post_alloc_hook mm/slub.c:4147 [inline]
 slab_alloc_node mm/slub.c:4196 [inline]
 __kmalloc_cache_noprof+0x238/0x3fc mm/slub.c:4353
 kmalloc_noprof include/linux/slab.h:905 [inline]
 kzalloc_noprof include/linux/slab.h:1039 [inline]
 nsim_fib4_rt_create drivers/net/netdevsim/fib.c:280 [inline]
 nsim_fib4_rt_insert drivers/net/netdevsim/fib.c:426 [inline]
 nsim_fib4_event drivers/net/netdevsim/fib.c:464 [inline]
 nsim_fib_event drivers/net/netdevsim/fib.c:884 [inline]
 nsim_fib_event_work+0x5f0/0x25b8 drivers/net/netdevsim/fib.c:1493
 process_one_work+0x7e8/0x156c kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x990/0xed8 kernel/workqueue.c:3400
 kthread+0x5fc/0x75c kernel/kthread.c:464
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:847

final repro crashed as (corrupted=false):
BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 43s!
Showing busy workqueues and worker pools:
workqueue events: flags=0x0
  pwq 2: cpus=0 node=0 flags=0x2 nice=0 active=8 refcnt=9
    pending: vmstat_shepherd, 3*ovs_dp_masks_rebalance, 4*nsim_dev_hwstats_traffic_work
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=14 refcnt=15
    in-flight: 24:request_firmware_work_func ,6068:nsim_fib_event_work nsim_fib_event_work ,6526:nsim_fib_event_work nsim_fib_event_work ,6529:nsim_fib_event_work nsim_fib_event_work ,6527:nsim_fib_event_work nsim_fib_event_work
    pending: nsim_dev_hwstats_traffic_work, 2*ovs_dp_masks_rebalance, psi_avgs_work, ovs_dp_masks_rebalance
workqueue events_long: flags=0x0
  pwq 2: cpus=0 node=0 flags=0x2 nice=0 active=3 refcnt=4
    pending: 3*defense_work_handler
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=3 refcnt=4
    pending: 3*defense_work_handler
workqueue events_unbound: flags=0x2
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=8 refcnt=9
    in-flight: 484:nsim_dev_trap_report_work
    pending: flush_memcg_stats_dwork, toggle_allocation_gate, nsim_dev_trap_report_work, crng_reseed, 3*nsim_dev_trap_report_work
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=13 refcnt=14
    in-flight: 12:cfg80211_wiphy_work ,14:cfg80211_wiphy_work cfg80211_wiphy_work ,219:linkwatch_event ,45:cfg80211_wiphy_work cfg80211_wiphy_work ,2199:cfg80211_wiphy_work cfg80211_wiphy_work ,2108:cfg80211_wiphy_work ,40:cfg80211_wiphy_work cfg80211_wiphy_work
    pending: 2*cfg80211_wiphy_work
workqueue events_power_efficient: flags=0x82
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=5 refcnt=6
    in-flight: 2157:wg_ratelimiter_gc_entries
    pending: 2*neigh_managed_work, neigh_periodic_work, fb_flashcursor
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=3 refcnt=4
    pending: neigh_periodic_work, do_cache_clean, gc_worker
workqueue mm_percpu_wq: flags=0x8
  pwq 2: cpus=0 node=0 flags=0x2 nice=0 active=1 refcnt=2
    in-flight: 1800: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=2 refcnt=5 MAYDAY
    in-flight: 34(RESCUER):wb_workfn
    pending: wb_update_bandwidth_workfn
workqueue dm_bufio_cache: flags=0x8
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: work_fn
workqueue mld: flags=0x40008
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=82
    pending: mld_ifc_work
    inactive: 7*mld_ifc_work, mld_dad_work, 2*mld_ifc_work, mld_dad_work, mld_ifc_work, mld_dad_work, 8*mld_ifc_work, mld_dad_work, 4*mld_ifc_work, 2*mld_dad_work, 9*mld_ifc_work, mld_dad_work, 4*mld_ifc_work, mld_dad_work, 2*mld_ifc_work, 2*mld_dad_work, 9*mld_ifc_work, mld_dad_work, 4*mld_ifc_work, 2*mld_dad_work, 8*mld_ifc_work, 2*mld_dad_work, 2*mld_ifc_work, mld_dad_work, 4*mld_ifc_work
workqueue ipv6_addrconf: flags=0x6000a
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=400 MAYDAY
    in-flight: 4139(RESCUER):addrconf_dad_work
    inactive: 394*addrconf_dad_work
workqueue bat_events: flags=0x6000a
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=47
    in-flight: 4220(RESCUER):batadv_dat_purge
    inactive: batadv_dat_purge, 2*batadv_bla_periodic_work, batadv_dat_purge, batadv_tt_purge, batadv_bla_periodic_work, batadv_tt_purge, batadv_dat_purge, batadv_bla_periodic_work, batadv_nc_worker, batadv_dat_purge, batadv_bla_periodic_work, 3*batadv_purge_orig, 4*batadv_mcast_mla_update, batadv_purge_orig, 7*batadv_iv_send_outstanding_bat_ogm_packet, batadv_tt_purge, 5*batadv_iv_send_outstanding_bat_ogm_packet, batadv_nc_worker, 2*batadv_iv_send_outstanding_bat_ogm_packet, batadv_purge_orig, 2*batadv_nc_worker, batadv_mcast_mla_update, batadv_tt_purge, batadv_nc_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=0x28
  pwq 2: cpus=0 node=0 flags=0x2 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
    pending: wg_packet_tx_worker, 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=0x28
  pwq 2: cpus=0 node=0 flags=0x2 nice=0 active=1 refcnt=2
    pending: wg_packet_tx_worker
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=3 refcnt=4
    pending: wg_packet_encrypt_worker, wg_packet_decrypt_worker, wg_packet_tx_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=0x28
  pwq 2: cpus=0 node=0 flags=0x2 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
    pending: wg_packet_tx_worker, 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=0x28
  pwq 2: cpus=0 node=0 flags=0x2 nice=0 active=1 refcnt=2
    pending: wg_packet_encrypt_worker
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=3 refcnt=4
    pending: wg_packet_encrypt_worker, wg_packet_decrypt_worker, wg_packet_tx_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=0x28
  pwq 2: cpus=0 node=0 flags=0x2 nice=0 active=1 refcnt=2
    pending: wg_packet_encrypt_worker
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=3 refcnt=4
    pending: wg_packet_encrypt_worker, wg_packet_tx_worker, wg_packet_decrypt_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=0x28
  pwq 2: cpus=0 node=0 flags=0x2 nice=0 active=1 refcnt=2
    pending: wg_packet_tx_worker
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=2 refcnt=3
    pending: wg_packet_tx_worker, wg_packet_encrypt_worker
workqueue wg-kex-wg0: 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=0x28
  pwq 2: cpus=0 node=0 flags=0x2 nice=0 active=1 refcnt=2
    pending: wg_packet_encrypt_worker
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=3 refcnt=4
    pending: wg_packet_encrypt_worker, wg_packet_decrypt_worker, wg_packet_tx_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=0x28
  pwq 2: cpus=0 node=0 flags=0x2 nice=0 active=1 refcnt=2
    pending: wg_packet_encrypt_worker
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=3 refcnt=4
    pending: wg_packet_encrypt_worker, wg_packet_tx_worker, wg_packet_decrypt_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=0x28
  pwq 2: cpus=0 node=0 flags=0x2 nice=0 active=1 refcnt=2
    pending: wg_packet_encrypt_worker
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=3 refcnt=4
    pending: wg_packet_decrypt_worker, wg_packet_encrypt_worker, wg_packet_tx_worker
pool 2: cpus=0 node=0 flags=0x2 nice=0 hung=10s workers=5 manager: 6528 idle: 6550 11 9
pool 6: cpus=1 node=0 flags=0x0 nice=0 hung=44s workers=9 idle: 6531 6539 6530 26
pool 8: cpus=0-1 flags=0x6 nice=0 hung=2s workers=10 manager: 6549
Showing backtraces of running workers in stalled CPU-bound worker pools:
pool 6:
task:kworker/1:0     state:R  running task     stack:0     pid:24    tgid:24    ppid:2      task_flags:0x4288060 flags:0x00000010
Workqueue: events request_firmware_work_func
Call trace:
 __switch_to+0x414/0x834 arch/arm64/kernel/process.c:734 (T)
 context_switch kernel/sched/core.c:5382 [inline]
 __schedule+0x13b0/0x28d4 kernel/sched/core.c:6767
 preempt_schedule_irq+0x80/0x188 kernel/sched/core.c:7090
 arm64_preempt_schedule_irq+0x44/0x58 arch/arm64/kernel/entry-common.c:301
 __el1_irq arch/arm64/kernel/entry-common.c:586 [inline]
 el1_interrupt+0x3c/0x54 arch/arm64/kernel/entry-common.c:598
 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:603
 el1h_64_irq+0x6c/0x70 arch/arm64/kernel/entry.S:596
 __daif_local_irq_restore arch/arm64/include/asm/irqflags.h:175 [inline] (P)
 arch_local_irq_restore+0x8/0xc arch/arm64/include/asm/irqflags.h:195 (P)
 lock_is_held include/linux/lockdep.h:249 [inline]
 rcu_read_lock_held+0x34/0x50 kernel/rcu/update.c:351
 sock_def_readable+0x1a0/0x5b4 net/core/sock.c:3531
 __netlink_sendskb net/netlink/af_netlink.c:1259 [inline]
 netlink_broadcast_deliver net/netlink/af_netlink.c:1390 [inline]
 do_one_broadcast net/netlink/af_netlink.c:1477 [inline]
 netlink_broadcast_filtered+0xb48/0x10c4 net/netlink/af_netlink.c:1522
 netlink_broadcast+0x50/0x68 net/netlink/af_netlink.c:1546
 uevent_net_broadcast_untagged lib/kobject_uevent.c:331 [inline]
 kobject_uevent_net_broadcast+0x33c/0x548 lib/kobject_uevent.c:410
 kobject_uevent_env+0x528/0x884 lib/kobject_uevent.c:608
 kobject_uevent+0x2c/0x3c lib/kobject_uevent.c:656
 device_del+0x684/0x808 drivers/base/core.c:3899
 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/0x8b4 drivers/base/firmware_loader/fallback.c:238
 _request_firmware+0xfd8/0x12d8 drivers/base/firmware_loader/main.c:941
 request_firmware_work_func+0xa8/0x19c drivers/base/firmware_loader/main.c:1194
 process_one_work+0x7e8/0x156c kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x958/0xed8 kernel/workqueue.c:3400
 kthread+0x5fc/0x75c kernel/kthread.c:464
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:847
pool 6:
task:kworker/1:2     state:R  running task     stack:0     pid:6068  tgid:6068  ppid:2      task_flags:0x4208060 flags:0x00000010
Workqueue: events nsim_fib_event_work
Call trace:
 __switch_to+0x414/0x834 arch/arm64/kernel/process.c:734 (T)
 context_switch kernel/sched/core.c:5382 [inline]
 __schedule+0x13b0/0x28d4 kernel/sched/core.c:6767
 preempt_schedule_irq+0x80/0x188 kernel/sched/core.c:7090
 arm64_preempt_schedule_irq+0x44/0x58 arch/arm64/kernel/entry-common.c:301
 __el1_irq arch/arm64/kernel/entry-common.c:586 [inline]
 el1_interrupt+0x3c/0x54 arch/arm64/kernel/entry-common.c:598
 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:603
 el1h_64_irq+0x6c/0x70 arch/arm64/kernel/entry.S:596
 __daif_local_irq_restore arch/arm64/include/asm/irqflags.h:175 [inline] (P)
 arch_local_irq_restore arch/arm64/include/asm/irqflags.h:195 [inline] (P)
 put_cpu_partial+0x154/0x1c0 mm/slub.c:3257 (P)
 __slab_free+0x1b0/0x280 mm/slub.c:4512
 do_slab_free mm/slub.c:4594 [inline]
 ___cache_free+0x150/0x170 mm/slub.c:4700
 qlink_free+0x48/0x94 mm/kasan/quarantine.c:163
 qlist_free_all+0x44/0xb8 mm/kasan/quarantine.c:179
 kasan_quarantine_reduce+0x118/0x124 mm/kasan/quarantine.c:286
 __kasan_slab_alloc+0x2c/0x88 mm/kasan/common.c:329
 kasan_slab_alloc include/linux/kasan.h:250 [inline]
 slab_post_alloc_hook mm/slub.c:4147 [inline]
 slab_alloc_node mm/slub.c:4196 [inline]
 __kmalloc_cache_noprof+0x238/0x3fc mm/slub.c:4353
 kmalloc_noprof include/linux/slab.h:905 [inline]
 kzalloc_noprof include/linux/slab.h:1039 [inline]
 nsim_fib4_rt_create drivers/net/netdevsim/fib.c:280 [inline]
 nsim_fib4_rt_insert drivers/net/netdevsim/fib.c:426 [inline]
 nsim_fib4_event drivers/net/netdevsim/fib.c:464 [inline]
 nsim_fib_event drivers/net/netdevsim/fib.c:884 [inline]
 nsim_fib_event_work+0x5f0/0x25b8 drivers/net/netdevsim/fib.c:1493
 process_one_work+0x7e8/0x156c kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x990/0xed8 kernel/workqueue.c:3400
 kthread+0x5fc/0x75c kernel/kthread.c:464
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:847
pool 6:
task:kworker/1:3     state:R  running task     stack:0     pid:6526  tgid:6526  ppid:2      task_flags:0x4208060 flags:0x00000010
Workqueue: events nsim_fib_event_work
Call trace:
 __switch_to+0x414/0x834 arch/arm64/kernel/process.c:734 (T)
 0x80400005
pool 6:
task:kworker/1:5     state:R  running task     stack:0     pid:6529  tgid:6529  ppid:2      task_flags:0x4208060 flags:0x00000010
Workqueue: events nsim_fib_event_work
Call trace:
 __switch_to+0x414/0x834 arch/arm64/kernel/process.c:734 (T)
 context_switch kernel/sched/core.c:5382 [inline]
 __schedule+0x13b0/0x28d4 kernel/sched/core.c:6767
 preempt_schedule_irq+0x80/0x188 kernel/sched/core.c:7090
 arm64_preempt_schedule_irq+0x44/0x58 arch/arm64/kernel/entry-common.c:301
 __el1_irq arch/arm64/kernel/entry-common.c:586 [inline]
 el1_interrupt+0x3c/0x54 arch/arm64/kernel/entry-common.c:598
 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:603
 el1h_64_irq+0x6c/0x70 arch/arm64/kernel/entry.S:596
 preempt_schedule+0x0/0x80 (P)
 spin_unlock_irqrestore include/linux/spinlock.h:406 [inline]
 __slab_free+0x1d0/0x280 mm/slub.c:4551
 do_slab_free mm/slub.c:4594 [inline]
 ___cache_free+0x150/0x170 mm/slub.c:4700
 qlink_free+0x48/0x94 mm/kasan/quarantine.c:163
 qlist_free_all+0x44/0xb8 mm/kasan/quarantine.c:179
 kasan_quarantine_reduce+0x118/0x124 mm/kasan/quarantine.c:286
 __kasan_slab_alloc+0x2c/0x88 mm/kasan/common.c:329
 kasan_slab_alloc include/linux/kasan.h:250 [inline]
 slab_post_alloc_hook mm/slub.c:4147 [inline]
 slab_alloc_node mm/slub.c:4196 [inline]
 __kmalloc_cache_noprof+0x238/0x3fc mm/slub.c:4353
 kmalloc_noprof include/linux/slab.h:905 [inline]
 kzalloc_noprof include/linux/slab.h:1039 [inline]
 nsim_fib6_rt_create drivers/net/netdevsim/fib.c:547 [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 drivers/net/netdevsim/fib.c:889 [inline]
 nsim_fib_event_work+0xc98/0x25b8 drivers/net/netdevsim/fib.c:1493
 process_one_work+0x7e8/0x156c kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x990/0xed8 kernel/workqueue.c:3400
 kthread+0x5fc/0x75c kernel/kthread.c:464
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:847
pool 6:
task:kworker/1:4     state:R  running task     stack:0     pid:6527  tgid:6527  ppid:2      task_flags:0x4208060 flags:0x00000010
Workqueue: events nsim_fib_event_work
Call trace:
 __switch_to+0x414/0x834 arch/arm64/kernel/process.c:734 (T)
 context_switch kernel/sched/core.c:5382 [inline]
 __schedule+0x13b0/0x28d4 kernel/sched/core.c:6767
 preempt_schedule_common+0xe0/0x194 kernel/sched/core.c:6947
 preempt_schedule+0x60/0x80 kernel/sched/core.c:6971
 rcu_read_unlock_sched include/linux/rcupdate.h:955 [inline]
 pfn_valid+0x1f8/0x200 include/linux/mmzone.h:-1
 lowmem_page_address include/linux/mm.h:2345 [inline]
 __kasan_poison_pages+0x40/0x90 mm/kasan/common.c:141
 kasan_poison_pages include/linux/kasan.h:117 [inline]
 free_pages_prepare mm/page_alloc.c:1284 [inline]
 __free_frozen_pages+0x4ec/0xd14 mm/page_alloc.c:2725
 free_frozen_pages+0x14/0x20 mm/page_alloc.c:2763
 __free_slab+0x110/0x1e8 mm/slub.c:2687
 free_slab+0x24/0x120 mm/slub.c:2710
 discard_slab+0x50/0xb8 mm/slub.c:2716
 __slab_free+0x1dc/0x280 mm/slub.c:4553
 do_slab_free mm/slub.c:4594 [inline]
 ___cache_free+0x150/0x170 mm/slub.c:4700
 qlink_free+0x48/0x94 mm/kasan/quarantine.c:163
 qlist_free_all+0x44/0xb8 mm/kasan/quarantine.c:179
 kasan_quarantine_reduce+0x118/0x124 mm/kasan/quarantine.c:286
 __kasan_slab_alloc+0x2c/0x88 mm/kasan/common.c:329
 kasan_slab_alloc include/linux/kasan.h:250 [inline]
 slab_post_alloc_hook mm/slub.c:4147 [inline]
 slab_alloc_node mm/slub.c:4196 [inline]
 __kmalloc_cache_noprof+0x238/0x3fc mm/slub.c:4353
 kmalloc_noprof include/linux/slab.h:905 [inline]
 kzalloc_noprof include/linux/slab.h:1039 [inline]
 nsim_fib4_rt_create drivers/net/netdevsim/fib.c:280 [inline]
 nsim_fib4_rt_insert drivers/net/netdevsim/fib.c:426 [inline]
 nsim_fib4_event drivers/net/netdevsim/fib.c:464 [inline]
 nsim_fib_event drivers/net/netdevsim/fib.c:884 [inline]
 nsim_fib_event_work+0x5f0/0x25b8 drivers/net/netdevsim/fib.c:1493
 process_one_work+0x7e8/0x156c kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x990/0xed8 kernel/workqueue.c:3400
 kthread+0x5fc/0x75c kernel/kthread.c:464
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:847