syzbot


INFO: task hung in _cfg80211_unregister_wdev (2)

Status: internal: reported on 2025/01/22 14:18
Subsystems: wireless
[Documentation on labels]
Fix commit: e759e1e4a4bd net: revert RTNL changes in unregister_netdevice_many_notify()
Patched on: [ci-qemu-gce-upstream-auto ci-qemu-native-arm64-kvm ci-qemu-upstream ci-qemu-upstream-386 ci-qemu2-arm64 ci-qemu2-arm64-compat ci-qemu2-arm64-mte ci-qemu2-riscv64 ci-snapshot-upstream-root ci-upstream-bpf-kasan-gce ci-upstream-bpf-next-kasan-gce ci-upstream-gce-arm64 ci-upstream-gce-leak ci-upstream-kasan-badwrites-root ci-upstream-kasan-gce ci-upstream-kasan-gce-386 ci-upstream-kasan-gce-root ci-upstream-kasan-gce-selinux-root ci-upstream-kasan-gce-smack-root ci-upstream-kmsan-gce-386-root ci-upstream-kmsan-gce-root ci-upstream-linux-next-kasan-gce-root ci-upstream-net-kasan-gce ci-upstream-net-this-kasan-gce ci2-upstream-fs ci2-upstream-kcsan-gce ci2-upstream-usb], missing on: [ci-qemu2-arm32]
First crash: 61d, last: 47d
Similar bugs (1)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream INFO: task hung in _cfg80211_unregister_wdev wireless 14 153d 230d 0/28 auto-obsoleted due to no activity on 2025/01/07 00:55

Sample crash report:
INFO: task kworker/u8:24:9596 blocked for more than 143 seconds.
      Tainted: G     U             6.13.0-syzkaller-08291-g805ba04cb7cc #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u8:24   state:D stack:24872 pid:9596  tgid:9596  ppid:2      task_flags:0x4208060 flags:0x00004000
Workqueue: netns cleanup_net
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5377 [inline]
 __schedule+0xf43/0x5890 kernel/sched/core.c:6764
 __schedule_loop kernel/sched/core.c:6841 [inline]
 schedule+0xe7/0x350 kernel/sched/core.c:6856
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6913
 __mutex_lock_common kernel/locking/mutex.c:662 [inline]
 __mutex_lock+0x6bd/0xb10 kernel/locking/mutex.c:730
 rtnl_acquire_if_cleanup_net net/core/dev.c:10272 [inline]
 unregister_netdevice_many_notify+0x1bab/0x21a0 net/core/dev.c:11854
 unregister_netdevice_many net/core/dev.c:11875 [inline]
 unregister_netdevice_queue+0x307/0x3f0 net/core/dev.c:11741
 unregister_netdevice include/linux/netdevice.h:3329 [inline]
 _cfg80211_unregister_wdev+0x64b/0x830 net/wireless/core.c:1251
 ieee80211_remove_interfaces+0x34f/0x720 net/mac80211/iface.c:2305
 ieee80211_unregister_hw+0x55/0x3a0 net/mac80211/main.c:1681
 mac80211_hwsim_del_radio+0x268/0x370 drivers/net/wireless/virtual/mac80211_hwsim.c:5664
 hwsim_exit_net+0x33f/0x6d0 drivers/net/wireless/virtual/mac80211_hwsim.c:6544
 ops_exit_list+0xb0/0x180 net/core/net_namespace.c:172
 cleanup_net+0x5c6/0xbf0 net/core/net_namespace.c:652
 process_one_work+0x958/0x1b30 kernel/workqueue.c:3236
 process_scheduled_works kernel/workqueue.c:3317 [inline]
 worker_thread+0x6c8/0xf00 kernel/workqueue.c:3398
 kthread+0x3af/0x750 kernel/kthread.c:464
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
INFO: task kworker/u8:28:9600 blocked for more than 143 seconds.
      Tainted: G     U             6.13.0-syzkaller-08291-g805ba04cb7cc #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u8:28   state:D stack:25992 pid:9600  tgid:9600  ppid:2      task_flags:0x4208060 flags:0x00004000
Workqueue: ipv6_addrconf addrconf_dad_work
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5377 [inline]
 __schedule+0xf43/0x5890 kernel/sched/core.c:6764
 __schedule_loop kernel/sched/core.c:6841 [inline]
 schedule+0xe7/0x350 kernel/sched/core.c:6856
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6913
 __mutex_lock_common kernel/locking/mutex.c:662 [inline]
 __mutex_lock+0x6bd/0xb10 kernel/locking/mutex.c:730
 rtnl_net_lock include/linux/rtnetlink.h:129 [inline]
 addrconf_dad_work+0x121/0x14e0 net/ipv6/addrconf.c:4190
 process_one_work+0x958/0x1b30 kernel/workqueue.c:3236
 process_scheduled_works kernel/workqueue.c:3317 [inline]
 worker_thread+0x6c8/0xf00 kernel/workqueue.c:3398
 kthread+0x3af/0x750 kernel/kthread.c:464
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
INFO: task syz.2.4834:23614 blocked for more than 144 seconds.
      Tainted: G     U             6.13.0-syzkaller-08291-g805ba04cb7cc #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.2.4834      state:D stack:25184 pid:23614 tgid:23613 ppid:23520  task_flags:0x400140 flags:0x00004004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5377 [inline]
 __schedule+0xf43/0x5890 kernel/sched/core.c:6764
 __schedule_loop kernel/sched/core.c:6841 [inline]
 schedule+0xe7/0x350 kernel/sched/core.c:6856
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6913
 __mutex_lock_common kernel/locking/mutex.c:662 [inline]
 __mutex_lock+0x6bd/0xb10 kernel/locking/mutex.c:730
 genl_lock net/netlink/genetlink.c:35 [inline]
 ctrl_getfamily+0x204/0x540 net/netlink/genetlink.c:1453
 genl_family_rcv_msg_doit+0x202/0x2f0 net/netlink/genetlink.c:1115
 genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline]
 genl_rcv_msg+0x565/0x800 net/netlink/genetlink.c:1210
 netlink_rcv_skb+0x165/0x410 net/netlink/af_netlink.c:2543
 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219
 netlink_unicast_kernel net/netlink/af_netlink.c:1322 [inline]
 netlink_unicast+0x53c/0x7f0 net/netlink/af_netlink.c:1348
 netlink_sendmsg+0x8b8/0xd70 net/netlink/af_netlink.c:1892
 sock_sendmsg_nosec net/socket.c:713 [inline]
 __sock_sendmsg net/socket.c:728 [inline]
 __sys_sendto+0x488/0x4f0 net/socket.c:2182
 __do_sys_sendto net/socket.c:2189 [inline]
 __se_sys_sendto net/socket.c:2185 [inline]
 __x64_sys_sendto+0xe0/0x1c0 net/socket.c:2185
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9d09f8ec3c
RSP: 002b:00007f9d0ad19ec0 EFLAGS: 00000293 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007f9d0ad19fc0 RCX: 00007f9d09f8ec3c
RDX: 000000000000001c RSI: 00007f9d0ad1a010 RDI: 0000000000000004
RBP: 0000000000000000 R08: 00007f9d0ad19f14 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000004
R13: 00007f9d0ad19f68 R14: 00007f9d0ad1a010 R15: 0000000000000000
 </TASK>
INFO: task syz.2.4834:23622 blocked for more than 144 seconds.
      Tainted: G     U             6.13.0-syzkaller-08291-g805ba04cb7cc #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.2.4834      state:D stack:27568 pid:23622 tgid:23613 ppid:23520  task_flags:0x400040 flags:0x00000004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5377 [inline]
 __schedule+0xf43/0x5890 kernel/sched/core.c:6764
 __schedule_loop kernel/sched/core.c:6841 [inline]
 schedule+0xe7/0x350 kernel/sched/core.c:6856
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6913
 __mutex_lock_common kernel/locking/mutex.c:662 [inline]
 __mutex_lock+0x6bd/0xb10 kernel/locking/mutex.c:730
 genl_lock net/netlink/genetlink.c:35 [inline]
 genl_op_lock net/netlink/genetlink.c:60 [inline]
 genl_op_lock net/netlink/genetlink.c:57 [inline]
 genl_rcv_msg+0x580/0x800 net/netlink/genetlink.c:1209
 netlink_rcv_skb+0x165/0x410 net/netlink/af_netlink.c:2543
 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219
 netlink_unicast_kernel net/netlink/af_netlink.c:1322 [inline]
 netlink_unicast+0x53c/0x7f0 net/netlink/af_netlink.c:1348
 netlink_sendmsg+0x8b8/0xd70 net/netlink/af_netlink.c:1892
 sock_sendmsg_nosec net/socket.c:713 [inline]
 __sock_sendmsg net/socket.c:728 [inline]
 __sys_sendto+0x488/0x4f0 net/socket.c:2182
 __do_sys_sendto net/socket.c:2189 [inline]
 __se_sys_sendto net/socket.c:2185 [inline]
 __x64_sys_sendto+0xe0/0x1c0 net/socket.c:2185
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9d09f8ec3c
RSP: 002b:00007f9d07df4ec0 EFLAGS: 00000293 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007f9d07df4fc0 RCX: 00007f9d09f8ec3c
RDX: 000000000000001c RSI: 00007f9d07df5010 RDI: 0000000000000007
RBP: 0000000000000000 R08: 00007f9d07df4f14 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000007
R13: 00007f9d07df4f68 R14: 00007f9d07df5010 R15: 0000000000000000
 </TASK>
INFO: task syz-executor:23616 blocked for more than 145 seconds.
      Tainted: G     U             6.13.0-syzkaller-08291-g805ba04cb7cc #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor    state:D stack:25104 pid:23616 tgid:23616 ppid:1      task_flags:0x400140 flags:0x00000004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5377 [inline]
 __schedule+0xf43/0x5890 kernel/sched/core.c:6764
 __schedule_loop kernel/sched/core.c:6841 [inline]
 schedule+0xe7/0x350 kernel/sched/core.c:6856
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6913
 __mutex_lock_common kernel/locking/mutex.c:662 [inline]
 __mutex_lock+0x6bd/0xb10 kernel/locking/mutex.c:730
 rtnl_lock net/core/rtnetlink.c:79 [inline]
 rtnl_nets_lock net/core/rtnetlink.c:335 [inline]
 rtnl_newlink+0x5e4/0x1d70 net/core/rtnetlink.c:4020
 rtnetlink_rcv_msg+0x95b/0xea0 net/core/rtnetlink.c:6911
 netlink_rcv_skb+0x165/0x410 net/netlink/af_netlink.c:2543
 netlink_unicast_kernel net/netlink/af_netlink.c:1322 [inline]
 netlink_unicast+0x53c/0x7f0 net/netlink/af_netlink.c:1348
 netlink_sendmsg+0x8b8/0xd70 net/netlink/af_netlink.c:1892
 sock_sendmsg_nosec net/socket.c:713 [inline]
 __sock_sendmsg net/socket.c:728 [inline]
 __sys_sendto+0x488/0x4f0 net/socket.c:2182
 __do_sys_sendto net/socket.c:2189 [inline]
 __se_sys_sendto net/socket.c:2185 [inline]
 __x64_sys_sendto+0xe0/0x1c0 net/socket.c:2185
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1fbc58ec3c
RSP: 002b:00007ffd69290d20 EFLAGS: 00000293 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007f1fbd2d4620 RCX: 00007f1fbc58ec3c
RDX: 000000000000003c RSI: 00007f1fbd2d4670 RDI: 0000000000000003
RBP: 0000000000000000 R08: 00007ffd69290d74 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000003
R13: 0000000000000000 R14: 00007f1fbd2d4670 R15: 0000000000000000
 </TASK>
INFO: task syz.1.4836:23624 blocked for more than 145 seconds.
      Tainted: G     U             6.13.0-syzkaller-08291-g805ba04cb7cc #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.1.4836      state:D stack:24264 pid:23624 tgid:23623 ppid:22978  task_flags:0x400140 flags:0x00400004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5377 [inline]
 __schedule+0xf43/0x5890 kernel/sched/core.c:6764
 __schedule_loop kernel/sched/core.c:6841 [inline]
 schedule+0xe7/0x350 kernel/sched/core.c:6856
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6913
 __mutex_lock_common kernel/locking/mutex.c:662 [inline]
 __mutex_lock+0x6bd/0xb10 kernel/locking/mutex.c:730
 genl_lock net/netlink/genetlink.c:35 [inline]
 genl_op_lock net/netlink/genetlink.c:60 [inline]
 genl_op_lock net/netlink/genetlink.c:57 [inline]
 genl_rcv_msg+0x580/0x800 net/netlink/genetlink.c:1209
 netlink_rcv_skb+0x165/0x410 net/netlink/af_netlink.c:2543
 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219
 netlink_unicast_kernel net/netlink/af_netlink.c:1322 [inline]
 netlink_unicast+0x53c/0x7f0 net/netlink/af_netlink.c:1348
 netlink_sendmsg+0x8b8/0xd70 net/netlink/af_netlink.c:1892
 sock_sendmsg_nosec net/socket.c:713 [inline]
 __sock_sendmsg net/socket.c:728 [inline]
 __sys_sendto+0x488/0x4f0 net/socket.c:2182
 __do_sys_sendto net/socket.c:2189 [inline]
 __se_sys_sendto net/socket.c:2185 [inline]
 __x64_sys_sendto+0xe0/0x1c0 net/socket.c:2185
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f82bf58ec3c
RSP: 002b:00007f82c04a8ec0 EFLAGS: 00000293 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007f82c04a8fc0 RCX: 00007f82bf58ec3c
RDX: 0000000000000024 RSI: 00007f82c04a9010 RDI: 0000000000000004
RBP: 0000000000000000 R08: 00007f82c04a8f14 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000004
R13: 00007f82c04a8f68 R14: 00007f82c04a9010 R15: 0000000000000000
 </TASK>
INFO: task syz.3.4837:23630 blocked for more than 145 seconds.
      Tainted: G     U             6.13.0-syzkaller-08291-g805ba04cb7cc #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.3.4837      state:D stack:25000 pid:23630 tgid:23629 ppid:23357  task_flags:0x400140 flags:0x00004004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5377 [inline]
 __schedule+0xf43/0x5890 kernel/sched/core.c:6764
 __schedule_loop kernel/sched/core.c:6841 [inline]
 schedule+0xe7/0x350 kernel/sched/core.c:6856
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6913
 __mutex_lock_common kernel/locking/mutex.c:662 [inline]
 __mutex_lock+0x6bd/0xb10 kernel/locking/mutex.c:730
 class_wiphy_constructor include/net/cfg80211.h:6061 [inline]
 reg_process_self_managed_hints+0x95/0x1f0 net/wireless/reg.c:3206
 wiphy_register+0x1e17/0x2860 net/wireless/core.c:1026
 ieee80211_register_hw+0x23ff/0x3ff0 net/mac80211/main.c:1587
 mac80211_hwsim_new_radio+0x2c47/0x56c0 drivers/net/wireless/virtual/mac80211_hwsim.c:5558
 hwsim_new_radio_nl+0xb42/0x12b0 drivers/net/wireless/virtual/mac80211_hwsim.c:6242
 genl_family_rcv_msg_doit+0x202/0x2f0 net/netlink/genetlink.c:1115
 genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline]
 genl_rcv_msg+0x565/0x800 net/netlink/genetlink.c:1210
 netlink_rcv_skb+0x165/0x410 net/netlink/af_netlink.c:2543
 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219
 netlink_unicast_kernel net/netlink/af_netlink.c:1322 [inline]
 netlink_unicast+0x53c/0x7f0 net/netlink/af_netlink.c:1348
 netlink_sendmsg+0x8b8/0xd70 net/netlink/af_netlink.c:1892
 sock_sendmsg_nosec net/socket.c:713 [inline]
 __sock_sendmsg net/socket.c:728 [inline]
 ____sys_sendmsg+0x9ae/0xb40 net/socket.c:2568
 ___sys_sendmsg+0x135/0x1e0 net/socket.c:2622
 __sys_sendmsg+0x16e/0x220 net/socket.c:2654
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f7f2758cda9
RSP: 002b:00007f7f28451038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f7f277a5fa0 RCX: 00007f7f2758cda9
RDX: 00000000000000c0 RSI: 0000000020001e00 RDI: 0000000000000004
RBP: 00007f7f2760e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f7f277a5fa0 R15: 00007ffdddf4ecb8
 </TASK>
INFO: lockdep is turned off.
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Tainted: G     U             6.13.0-syzkaller-08291-g805ba04cb7cc #0
Tainted: [U]=USER
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120
 nmi_cpu_backtrace+0x27b/0x390 lib/nmi_backtrace.c:113
 nmi_trigger_cpumask_backtrace+0x29c/0x300 lib/nmi_backtrace.c:62
 trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:236 [inline]
 watchdog+0xf62/0x12b0 kernel/hung_task.c:399
 kthread+0x3af/0x750 kernel/kthread.c:464
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 975 Comm: kworker/1:2 Tainted: G     U             6.13.0-syzkaller-08291-g805ba04cb7cc #0
Tainted: [U]=USER
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
Workqueue: events_power_efficient gc_worker
RIP: 0010:trace_lock_acquire+0x44/0x1f0 include/trace/events/lock.h:24
Code: 07 0f 87 60 01 00 00 89 db be 08 00 00 00 48 89 d8 48 c1 e8 06 48 8d 3c c5 10 f7 5f 90 e8 d4 84 86 00 48 0f a3 1d ac b9 ca 0e <0f> 82 ff 00 00 00 48 83 c4 18 5b 5d 41 5d 41 5e c3 cc cc cc cc 48
RSP: 0018:ffffc90003c87ad0 EFLAGS: 00000047
RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff81953d5c
RDX: fffffbfff20bfee3 RSI: 0000000000000008 RDI: ffffffff905ff710
RBP: 0000000000000000 R08: 0000000000000000 R09: fffffbfff20bfee2
R10: ffffffff905ff717 R11: 1ffffffff1c39051 R12: 0000000000000000
R13: 000000000003da4c R14: 0000000000000001 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1770e18766 CR3: 0000000034a98000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <TASK>
 lock_acquire+0x2f/0xb0 kernel/locking/lockdep.c:5822
 seqcount_lockdep_reader_access include/linux/seqlock.h:72 [inline]
 nf_conntrack_get_ht include/net/netfilter/nf_conntrack.h:333 [inline]
 gc_worker+0xdc7/0x16a0 net/netfilter/nf_conntrack_core.c:1534
 process_one_work+0x958/0x1b30 kernel/workqueue.c:3236
 process_scheduled_works kernel/workqueue.c:3317 [inline]
 worker_thread+0x6c8/0xf00 kernel/workqueue.c:3398
 kthread+0x3af/0x750 kernel/kthread.c:464
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>

Crashes (552):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/01/29 04:20 upstream 805ba04cb7cc 865ef71e .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: task hung in _cfg80211_unregister_wdev
2025/01/27 19:04 upstream 9c5968db9e62 d99a33ad .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: task hung in _cfg80211_unregister_wdev
2025/01/27 15:35 upstream c2da8b3f914f d99a33ad .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in _cfg80211_unregister_wdev
2025/01/27 14:06 upstream c2da8b3f914f d99a33ad .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in _cfg80211_unregister_wdev
2025/01/27 09:30 upstream c2da8b3f914f 9fbd772e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in _cfg80211_unregister_wdev
2025/01/27 08:00 upstream c2da8b3f914f 9fbd772e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in _cfg80211_unregister_wdev
2025/01/27 06:42 upstream c2da8b3f914f 9fbd772e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in _cfg80211_unregister_wdev
2025/01/27 05:37 upstream c2da8b3f914f 9fbd772e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in _cfg80211_unregister_wdev
2025/01/27 03:34 upstream c2da8b3f914f 9fbd772e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in _cfg80211_unregister_wdev
2025/01/27 02:29 upstream c2da8b3f914f 9fbd772e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in _cfg80211_unregister_wdev
2025/01/26 23:58 upstream c2da8b3f914f 9fbd772e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in _cfg80211_unregister_wdev
2025/01/26 22:59 upstream c2da8b3f914f 9fbd772e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in _cfg80211_unregister_wdev
2025/01/26 21:36 upstream aa22f4da2a46 9fbd772e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in _cfg80211_unregister_wdev
2025/01/26 20:19 upstream c2da8b3f914f 9fbd772e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in _cfg80211_unregister_wdev
2025/01/26 18:36 upstream aa22f4da2a46 9fbd772e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in _cfg80211_unregister_wdev
2025/01/26 17:30 upstream aa22f4da2a46 9fbd772e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in _cfg80211_unregister_wdev
2025/01/26 16:28 upstream aa22f4da2a46 9fbd772e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in _cfg80211_unregister_wdev
2025/01/26 00:39 upstream b46c89c08f41 9fbd772e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in _cfg80211_unregister_wdev
2025/01/27 04:21 upstream c2da8b3f914f 9fbd772e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 INFO: task hung in _cfg80211_unregister_wdev
2025/01/27 01:25 upstream c2da8b3f914f 9fbd772e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 INFO: task hung in _cfg80211_unregister_wdev
2025/01/30 18:03 net f7bf624b1fed 9c8ab845 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in _cfg80211_unregister_wdev
2025/01/30 14:49 net f7bf624b1fed 9c8ab845 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in _cfg80211_unregister_wdev
2025/01/30 12:20 net f7bf624b1fed 9c8ab845 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in _cfg80211_unregister_wdev
2025/01/30 10:50 net f7bf624b1fed 9c8ab845 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in _cfg80211_unregister_wdev
2025/01/30 08:29 net 9e6c4e6b605c afe4eff5 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in _cfg80211_unregister_wdev
2025/01/30 06:09 net 9e6c4e6b605c afe4eff5 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in _cfg80211_unregister_wdev
2025/01/30 03:00 net 9e6c4e6b605c afe4eff5 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in _cfg80211_unregister_wdev
2025/01/30 01:58 net 9e6c4e6b605c afe4eff5 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in _cfg80211_unregister_wdev
2025/01/30 00:51 net 9e6c4e6b605c afe4eff5 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in _cfg80211_unregister_wdev
2025/01/29 18:39 net 9e6c4e6b605c 865ef71e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in _cfg80211_unregister_wdev
2025/01/29 14:42 net 9e6c4e6b605c 865ef71e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in _cfg80211_unregister_wdev
2025/01/29 11:15 net 9e6c4e6b605c 865ef71e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in _cfg80211_unregister_wdev
2025/01/29 01:22 net b2aec4efe834 f5427d7c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in _cfg80211_unregister_wdev
2025/01/28 16:11 net b2aec4efe834 f5427d7c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in _cfg80211_unregister_wdev
2025/01/28 10:44 net b2aec4efe834 18070896 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in _cfg80211_unregister_wdev
2025/01/28 07:58 net b2aec4efe834 18070896 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in _cfg80211_unregister_wdev
2025/01/28 05:07 net 05d91cdb1f91 18070896 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in _cfg80211_unregister_wdev
2025/01/28 02:02 net 05d91cdb1f91 18070896 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in _cfg80211_unregister_wdev
2025/01/27 21:17 net 05d91cdb1f91 18070896 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in _cfg80211_unregister_wdev
2025/01/27 12:54 net 05d91cdb1f91 9fbd772e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in _cfg80211_unregister_wdev
2025/01/27 11:01 net 05d91cdb1f91 9fbd772e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in _cfg80211_unregister_wdev
2025/01/27 09:03 net 15a901361ec3 9fbd772e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in _cfg80211_unregister_wdev
2025/01/26 19:15 net 15a901361ec3 9fbd772e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in _cfg80211_unregister_wdev
2025/01/31 00:01 net-next 0ad9617c78ac 4c6ac32f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in _cfg80211_unregister_wdev
2025/01/30 19:23 net-next 0ad9617c78ac 9c8ab845 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in _cfg80211_unregister_wdev
2025/01/30 13:41 net-next 0ad9617c78ac 9c8ab845 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in _cfg80211_unregister_wdev
2025/01/30 08:11 net-next 0ad9617c78ac afe4eff5 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in _cfg80211_unregister_wdev
2025/01/29 21:48 net-next 0ad9617c78ac afe4eff5 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in _cfg80211_unregister_wdev
2025/01/29 13:30 net-next 0ad9617c78ac 865ef71e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in _cfg80211_unregister_wdev
2025/01/29 09:22 net-next 0ad9617c78ac 865ef71e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in _cfg80211_unregister_wdev
2025/01/29 08:03 net-next 0ad9617c78ac 865ef71e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in _cfg80211_unregister_wdev
2025/01/29 05:39 net-next 0ad9617c78ac f5427d7c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in _cfg80211_unregister_wdev
2025/01/28 20:45 net-next 0ad9617c78ac f5427d7c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in _cfg80211_unregister_wdev
2025/01/28 18:44 net-next 0ad9617c78ac f5427d7c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in _cfg80211_unregister_wdev
2025/01/28 00:47 net-next 0ad9617c78ac 18070896 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in _cfg80211_unregister_wdev
2025/01/27 23:37 net-next 0ad9617c78ac 18070896 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in _cfg80211_unregister_wdev
2025/01/22 14:12 net-next b1754a69e7be da72ac06 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in _cfg80211_unregister_wdev
2025/01/17 05:55 net-next 8d20dcda404d f9e07a6e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in _cfg80211_unregister_wdev
* Struck through repros no longer work on HEAD.