Extracting prog: 5m4.113769654s
Minimizing prog: 30m12.822269268s
Simplifying prog options: 8m36.405224669s
Extracting C: 3m12.771400729s
Simplifying C: 0s


extracting reproducer from 1 programs
testing a last program of every proc
single: executing 1 programs separately with timeout 30s
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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$unix-ioctl$sock_SIOCETHTOOL
detailed listing:
executing program 0:
r0 = socket$unix(0x1, 0x5, 0x0)
ioctl$sock_SIOCETHTOOL(r0, 0x89f0, &(0x7f0000000400)={'bridge0\x00', &(0x7f0000000000)=@ethtool_regs={0x4, 0x0, 0x1d, "dea1d8981aa3a9c188aaf2269615123ca0a2894d756ec481f02e868817"}})

program did not crash
single: failed to extract reproducer
single: executing 1 programs separately with timeout 6m0s
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$unix-ioctl$sock_SIOCETHTOOL
detailed listing:
executing program 0:
r0 = socket$unix(0x1, 0x5, 0x0)
ioctl$sock_SIOCETHTOOL(r0, 0x89f0, &(0x7f0000000400)={'bridge0\x00', &(0x7f0000000000)=@ethtool_regs={0x4, 0x0, 0x1d, "dea1d8981aa3a9c188aaf2269615123ca0a2894d756ec481f02e868817"}})

program crashed: INFO: task hung in nsim_bus_dev_del
single: successfully extracted reproducer
found reproducer with 2 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$unix
detailed listing:
executing program 0:
socket$unix(0x1, 0x5, 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$sock_SIOCETHTOOL
detailed listing:
executing program 0:
ioctl$sock_SIOCETHTOOL(0xffffffffffffffff, 0x89f0, &(0x7f0000000400)={'bridge0\x00', &(0x7f0000000000)=@ethtool_regs={0x4, 0x0, 0x1d, "dea1d8981aa3a9c188aaf2269615123ca0a2894d756ec481f02e868817"}})

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$unix-ioctl$sock_SIOCETHTOOL
detailed listing:
executing program 0:
r0 = socket$unix(0x1, 0x5, 0x0)
ioctl$sock_SIOCETHTOOL(r0, 0x89f0, 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$unix-ioctl$sock_SIOCETHTOOL
detailed listing:
executing program 0:
r0 = socket$unix(0x1, 0x5, 0x0)
ioctl$sock_SIOCETHTOOL(r0, 0x89f0, &(0x7f0000000400)={'bridge0\x00', 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$unix-ioctl$sock_SIOCETHTOOL
detailed listing:
executing program 0:
r0 = socket$unix(0x1, 0x5, 0x0)
ioctl$sock_SIOCETHTOOL(r0, 0x89f0, &(0x7f0000000400)={'bridge0\x00', &(0x7f0000000000)=@ethtool_regs})

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$unix-ioctl$sock_SIOCETHTOOL
program crashed: INFO: task hung in rtnl_lock
a never seen crash title: INFO: task hung in rtnl_lock, ignore
simplifying guilty program options
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: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$unix-ioctl$sock_SIOCETHTOOL
detailed listing:
executing program 0:
r0 = socket$unix(0x1, 0x5, 0x0)
ioctl$sock_SIOCETHTOOL(r0, 0x89f0, &(0x7f0000000400)={'bridge0\x00', &(0x7f0000000000)=@ethtool_regs={0x4, 0x0, 0x1d, "dea1d8981aa3a9c188aaf2269615123ca0a2894d756ec481f02e868817"}})

program crashed: BUG: workqueue lockup
a never seen crash title: BUG: workqueue lockup, ignore
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$unix-ioctl$sock_SIOCETHTOOL
detailed listing:
executing program 0:
r0 = socket$unix(0x1, 0x5, 0x0)
ioctl$sock_SIOCETHTOOL(r0, 0x89f0, &(0x7f0000000400)={'bridge0\x00', &(0x7f0000000000)=@ethtool_regs={0x4, 0x0, 0x1d, "dea1d8981aa3a9c188aaf2269615123ca0a2894d756ec481f02e868817"}})

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$unix-ioctl$sock_SIOCETHTOOL
detailed listing:
executing program 0:
r0 = socket$unix(0x1, 0x5, 0x0)
ioctl$sock_SIOCETHTOOL(r0, 0x89f0, &(0x7f0000000400)={'bridge0\x00', &(0x7f0000000000)=@ethtool_regs={0x4, 0x0, 0x1d, "dea1d8981aa3a9c188aaf2269615123ca0a2894d756ec481f02e868817"}})

program crashed: INFO: task hung in nsim_bus_dev_del
validation run: crashed=true
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$unix-ioctl$sock_SIOCETHTOOL
detailed listing:
executing program 0:
r0 = socket$unix(0x1, 0x5, 0x0)
ioctl$sock_SIOCETHTOOL(r0, 0x89f0, &(0x7f0000000400)={'bridge0\x00', &(0x7f0000000000)=@ethtool_regs={0x4, 0x0, 0x1d, "dea1d8981aa3a9c188aaf2269615123ca0a2894d756ec481f02e868817"}})

program crashed: INFO: task hung in rtnl_lock
validation run: crashed=true
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$unix-ioctl$sock_SIOCETHTOOL
detailed listing:
executing program 0:
r0 = socket$unix(0x1, 0x5, 0x0)
ioctl$sock_SIOCETHTOOL(r0, 0x89f0, &(0x7f0000000400)={'bridge0\x00', &(0x7f0000000000)=@ethtool_regs={0x4, 0x0, 0x1d, "dea1d8981aa3a9c188aaf2269615123ca0a2894d756ec481f02e868817"}})

program crashed: BUG: workqueue lockup
validation run: crashed=true
reproducing took 54m34.780094069s
repro crashed as (corrupted=false):
bridge0: received packet on veth1_to_bridge with own address as source address (addr:da:a2:40:f0:28:16, vlan:0)
BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 37s!
Showing busy workqueues and worker pools:
workqueue events: flags=0x100
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=8 refcnt=9
    pending: nsim_dev_hwstats_traffic_work, 3*psi_avgs_work, vmstat_shepherd, 3*ovs_dp_masks_rebalance
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=26 refcnt=28
    in-flight: 1505:nsim_fib_event_work for 35s ,24:nsim_fib_event_work for 40s BAR(1324) ,4830:nsim_fib_event_work for 32s
    pending: ovs_dp_masks_rebalance, drm_fb_helper_damage_work, psi_avgs_work, rht_deferred_worker, ovs_dp_masks_rebalance, 5*l2cap_info_timeout, rht_deferred_worker, 5*ovs_dp_masks_rebalance, 2*nsim_dev_hwstats_traffic_work, debugfs_reap_work, 2*nsim_fib_event_work, switchdev_deferred_process_work, nsim_fib_event_work
workqueue events_long: flags=0x100
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=5 refcnt=6
    pending: 5*defense_work_handler
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=5 refcnt=6
    pending: 5*defense_work_handler
workqueue events_unbound: flags=0x2
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=13 refcnt=14
    in-flight: 12:cfg80211_wiphy_work for 28s ,5026:cfg80211_wiphy_work for 38s cfg80211_wiphy_work ,39:cfg80211_wiphy_work for 39s cfg80211_wiphy_work
    pending: macvlan_process_broadcast, crng_reseed, 2*cfg80211_wiphy_work, 2*nsim_dev_trap_report_work, toggle_allocation_gate, flush_memcg_stats_dwork
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=19 refcnt=20
    in-flight: 1213:cfg80211_wiphy_work for 36s ,1484:cfg80211_wiphy_work for 23s ,13:cfg80211_wiphy_work for 11s ,40:fsnotify_connector_destroy_workfn for 40s ,236:cfg80211_wiphy_work for 38s cfg80211_wiphy_work ,1366:cfg80211_wiphy_work for 39s cfg80211_wiphy_work
    pending: nsim_dev_trap_report_work, cfg80211_wiphy_work, nsim_dev_trap_report_work, 6*macvlan_process_broadcast, cfg80211_wiphy_work, macvlan_process_broadcast
workqueue events_power_efficient: flags=0x82
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=5 refcnt=6
    in-flight: 5027:neigh_periodic_work for 10s
    pending: wg_ratelimiter_gc_entries, neigh_managed_work, check_lifetime, neigh_managed_work
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=3 refcnt=4
    pending: fb_flashcursor, do_cache_clean, neigh_periodic_work
workqueue rcu_gp: flags=0x108
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: process_srcu
workqueue netns: flags=0x6000a
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=5
    in-flight: 1324:cleanup_net for 42s
    inactive: cleanup_net
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 30s
    pending: mayday_cursor_func
workqueue mld: flags=0x40108
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=107
    in-flight: 4960:mld_ifc_work for 7s
    inactive: mld_dad_work, mld_ifc_work, 4*mld_dad_work, 2*mld_ifc_work, mld_dad_work, 5*mld_ifc_work, mld_dad_work, 2*mld_ifc_work, 3*mld_dad_work, mld_ifc_work, 4*mld_dad_work, 2*mld_ifc_work, mld_dad_work, mld_ifc_work, mld_dad_work, mld_ifc_work, mld_dad_work, mld_ifc_work, mld_dad_work, 3*mld_ifc_work, 2*mld_dad_work, 4*mld_ifc_work, mld_dad_work, 3*mld_ifc_work, 2*mld_dad_work, 4*mld_ifc_work, 3*mld_dad_work, mld_ifc_work, mld_dad_work, 5*mld_ifc_work, mld_dad_work, 2*mld_ifc_work, mld_dad_work, mld_ifc_work, 2*mld_dad_work, 5*mld_ifc_work, mld_dad_work, 4*mld_ifc_work, mld_dad_work, 12*mld_ifc_work, mld_dad_work, 3*mld_ifc_work, mld_dad_work, 2*mld_ifc_work, mld_dad_work, 4*mld_ifc_work
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=57
    pending: mld_dad_work
    inactive: 2*mld_dad_work, mld_ifc_work, 4*mld_dad_work, 2*mld_ifc_work, mld_dad_work, 2*mld_ifc_work, mld_dad_work, 3*mld_ifc_work, mld_dad_work, 5*mld_ifc_work, mld_dad_work, mld_ifc_work, 2*mld_dad_work, 2*mld_ifc_work, 6*mld_dad_work, 2*mld_ifc_work, 19*mld_dad_work
workqueue ipv6_addrconf: flags=0x6000a
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=234 MAYDAY
    in-flight: 2822(RESCUER):addrconf_dad_work for 0s
    pending: mayday_cursor_func
    inactive: 228*addrconf_dad_work
workqueue bat_events: flags=0x6000a
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=51 MAYDAY
    in-flight: 2854(RESCUER):batadv_tt_purge for 12s
    pending: mayday_cursor_func
    inactive: batadv_iv_send_outstanding_bat_ogm_packet, batadv_purge_orig, 3*batadv_tt_purge, 2*batadv_iv_send_outstanding_bat_ogm_packet, batadv_tt_purge, batadv_iv_send_outstanding_bat_ogm_packet, 5*batadv_purge_orig, 2*batadv_iv_send_outstanding_bat_ogm_packet, batadv_mcast_mla_update, 10*batadv_iv_send_outstanding_bat_ogm_packet, 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, 5*batadv_mcast_mla_update, 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_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-crypt-wg1: flags=0x128
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2
    in-flight: 4999:wg_packet_tx_worker for 7s
  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
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=2 refcnt=3
    pending: wg_packet_tx_worker, wg_packet_decrypt_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
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=2 refcnt=3
    in-flight: 10:wg_packet_encrypt_worker for 36s 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=0x128
  pwq 2: cpus=0 node=0 flags=0x0 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_encrypt_worker, wg_packet_tx_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
  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_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-crypt-wg0: flags=0x128
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=2 refcnt=3
    in-flight: 4472:wg_packet_encrypt_worker for 10s
    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-crypt-wg1: flags=0x128
  pwq 2: cpus=0 node=0 flags=0x0 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_encrypt_worker, wg_packet_tx_worker
workqueue wg-crypt-wg0: flags=0x128
  pwq 2: cpus=0 node=0 flags=0x0 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-wg1: 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-wg1: flags=0x128
  pwq 2: cpus=0 node=0 flags=0x0 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_decrypt_worker, wg_packet_encrypt_worker, wg_packet_tx_worker
workqueue wg-crypt-wg2: flags=0x128
  pwq 2: cpus=0 node=0 flags=0x0 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_decrypt_worker, wg_packet_encrypt_worker, wg_packet_tx_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=2 refcnt=3
    pending: wg_packet_decrypt_worker, wg_packet_tx_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=0x0 nice=0 hung=7s workers=6 idle: 1074 9
pool 6: cpus=1 node=0 flags=0x0 nice=0 hung=37s workers=7 idle: 4952 4959 26 4849
pool 8: cpus=0-1 flags=0x6 nice=0 hung=0s workers=12 manager: 5028
Showing backtraces of busy workers in stalled worker pools:
pool 6:
task:kworker/1:2     state:R  running task     stack:0     pid:1505  tgid:1505  ppid:2      task_flags:0x4208060 flags:0x00000010
Workqueue: events nsim_fib_event_work
Call trace:
 __switch_to+0x2b4/0x6e4 arch/arm64/kernel/process.c:775 (T)
 context_switch kernel/sched/core.c:5510 [inline]
 __schedule+0x1370/0x2d80 kernel/sched/core.c:7234
 __schedule_loop kernel/sched/core.c:7311 [inline]
 schedule+0x13c/0x20c kernel/sched/core.c:7326

final repro crashed as (corrupted=false):
bridge0: received packet on veth1_to_bridge with own address as source address (addr:da:a2:40:f0:28:16, vlan:0)
BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 37s!
Showing busy workqueues and worker pools:
workqueue events: flags=0x100
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=8 refcnt=9
    pending: nsim_dev_hwstats_traffic_work, 3*psi_avgs_work, vmstat_shepherd, 3*ovs_dp_masks_rebalance
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=26 refcnt=28
    in-flight: 1505:nsim_fib_event_work for 35s ,24:nsim_fib_event_work for 40s BAR(1324) ,4830:nsim_fib_event_work for 32s
    pending: ovs_dp_masks_rebalance, drm_fb_helper_damage_work, psi_avgs_work, rht_deferred_worker, ovs_dp_masks_rebalance, 5*l2cap_info_timeout, rht_deferred_worker, 5*ovs_dp_masks_rebalance, 2*nsim_dev_hwstats_traffic_work, debugfs_reap_work, 2*nsim_fib_event_work, switchdev_deferred_process_work, nsim_fib_event_work
workqueue events_long: flags=0x100
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=5 refcnt=6
    pending: 5*defense_work_handler
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=5 refcnt=6
    pending: 5*defense_work_handler
workqueue events_unbound: flags=0x2
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=13 refcnt=14
    in-flight: 12:cfg80211_wiphy_work for 28s ,5026:cfg80211_wiphy_work for 38s cfg80211_wiphy_work ,39:cfg80211_wiphy_work for 39s cfg80211_wiphy_work
    pending: macvlan_process_broadcast, crng_reseed, 2*cfg80211_wiphy_work, 2*nsim_dev_trap_report_work, toggle_allocation_gate, flush_memcg_stats_dwork
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=19 refcnt=20
    in-flight: 1213:cfg80211_wiphy_work for 36s ,1484:cfg80211_wiphy_work for 23s ,13:cfg80211_wiphy_work for 11s ,40:fsnotify_connector_destroy_workfn for 40s ,236:cfg80211_wiphy_work for 38s cfg80211_wiphy_work ,1366:cfg80211_wiphy_work for 39s cfg80211_wiphy_work
    pending: nsim_dev_trap_report_work, cfg80211_wiphy_work, nsim_dev_trap_report_work, 6*macvlan_process_broadcast, cfg80211_wiphy_work, macvlan_process_broadcast
workqueue events_power_efficient: flags=0x82
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=5 refcnt=6
    in-flight: 5027:neigh_periodic_work for 10s
    pending: wg_ratelimiter_gc_entries, neigh_managed_work, check_lifetime, neigh_managed_work
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=3 refcnt=4
    pending: fb_flashcursor, do_cache_clean, neigh_periodic_work
workqueue rcu_gp: flags=0x108
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: process_srcu
workqueue netns: flags=0x6000a
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=5
    in-flight: 1324:cleanup_net for 42s
    inactive: cleanup_net
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 30s
    pending: mayday_cursor_func
workqueue mld: flags=0x40108
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=107
    in-flight: 4960:mld_ifc_work for 7s
    inactive: mld_dad_work, mld_ifc_work, 4*mld_dad_work, 2*mld_ifc_work, mld_dad_work, 5*mld_ifc_work, mld_dad_work, 2*mld_ifc_work, 3*mld_dad_work, mld_ifc_work, 4*mld_dad_work, 2*mld_ifc_work, mld_dad_work, mld_ifc_work, mld_dad_work, mld_ifc_work, mld_dad_work, mld_ifc_work, mld_dad_work, 3*mld_ifc_work, 2*mld_dad_work, 4*mld_ifc_work, mld_dad_work, 3*mld_ifc_work, 2*mld_dad_work, 4*mld_ifc_work, 3*mld_dad_work, mld_ifc_work, mld_dad_work, 5*mld_ifc_work, mld_dad_work, 2*mld_ifc_work, mld_dad_work, mld_ifc_work, 2*mld_dad_work, 5*mld_ifc_work, mld_dad_work, 4*mld_ifc_work, mld_dad_work, 12*mld_ifc_work, mld_dad_work, 3*mld_ifc_work, mld_dad_work, 2*mld_ifc_work, mld_dad_work, 4*mld_ifc_work
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=57
    pending: mld_dad_work
    inactive: 2*mld_dad_work, mld_ifc_work, 4*mld_dad_work, 2*mld_ifc_work, mld_dad_work, 2*mld_ifc_work, mld_dad_work, 3*mld_ifc_work, mld_dad_work, 5*mld_ifc_work, mld_dad_work, mld_ifc_work, 2*mld_dad_work, 2*mld_ifc_work, 6*mld_dad_work, 2*mld_ifc_work, 19*mld_dad_work
workqueue ipv6_addrconf: flags=0x6000a
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=234 MAYDAY
    in-flight: 2822(RESCUER):addrconf_dad_work for 0s
    pending: mayday_cursor_func
    inactive: 228*addrconf_dad_work
workqueue bat_events: flags=0x6000a
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=51 MAYDAY
    in-flight: 2854(RESCUER):batadv_tt_purge for 12s
    pending: mayday_cursor_func
    inactive: batadv_iv_send_outstanding_bat_ogm_packet, batadv_purge_orig, 3*batadv_tt_purge, 2*batadv_iv_send_outstanding_bat_ogm_packet, batadv_tt_purge, batadv_iv_send_outstanding_bat_ogm_packet, 5*batadv_purge_orig, 2*batadv_iv_send_outstanding_bat_ogm_packet, batadv_mcast_mla_update, 10*batadv_iv_send_outstanding_bat_ogm_packet, 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, 5*batadv_mcast_mla_update, 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_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-crypt-wg1: flags=0x128
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2
    in-flight: 4999:wg_packet_tx_worker for 7s
  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
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=2 refcnt=3
    pending: wg_packet_tx_worker, wg_packet_decrypt_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
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=2 refcnt=3
    in-flight: 10:wg_packet_encrypt_worker for 36s 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=0x128
  pwq 2: cpus=0 node=0 flags=0x0 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_encrypt_worker, wg_packet_tx_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
  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_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-crypt-wg0: flags=0x128
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=2 refcnt=3
    in-flight: 4472:wg_packet_encrypt_worker for 10s
    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-crypt-wg1: flags=0x128
  pwq 2: cpus=0 node=0 flags=0x0 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_encrypt_worker, wg_packet_tx_worker
workqueue wg-crypt-wg0: flags=0x128
  pwq 2: cpus=0 node=0 flags=0x0 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-wg1: 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-wg1: flags=0x128
  pwq 2: cpus=0 node=0 flags=0x0 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_decrypt_worker, wg_packet_encrypt_worker, wg_packet_tx_worker
workqueue wg-crypt-wg2: flags=0x128
  pwq 2: cpus=0 node=0 flags=0x0 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_decrypt_worker, wg_packet_encrypt_worker, wg_packet_tx_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=2 refcnt=3
    pending: wg_packet_decrypt_worker, wg_packet_tx_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=0x0 nice=0 hung=7s workers=6 idle: 1074 9
pool 6: cpus=1 node=0 flags=0x0 nice=0 hung=37s workers=7 idle: 4952 4959 26 4849
pool 8: cpus=0-1 flags=0x6 nice=0 hung=0s workers=12 manager: 5028
Showing backtraces of busy workers in stalled worker pools:
pool 6:
task:kworker/1:2     state:R  running task     stack:0     pid:1505  tgid:1505  ppid:2      task_flags:0x4208060 flags:0x00000010
Workqueue: events nsim_fib_event_work
Call trace:
 __switch_to+0x2b4/0x6e4 arch/arm64/kernel/process.c:775 (T)
 context_switch kernel/sched/core.c:5510 [inline]
 __schedule+0x1370/0x2d80 kernel/sched/core.c:7234
 __schedule_loop kernel/sched/core.c:7311 [inline]
 schedule+0x13c/0x20c kernel/sched/core.c:7326