syzbot


INFO: task hung in ieee80211_unregister_hw (2)

Status: upstream: reported on 2024/10/04 22:17
Subsystems: wireless
[Documentation on labels]
Reported-by: syzbot+9376ed0d09c5cb65483b@syzkaller.appspotmail.com
First crash: 124d, last: 3d07h
Discussions (1)
Title Replies (including bot) Last reply
[syzbot] [wireless?] INFO: task hung in ieee80211_unregister_hw (2) 0 (1) 2024/10/04 22:17
Similar bugs (2)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-5.15 INFO: task hung in ieee80211_unregister_hw 1 152d 152d 0/3 auto-obsoleted due to no activity on 2024/09/19 08:31
upstream INFO: task hung in ieee80211_unregister_hw wireless 151 128d 164d 26/28 fixed on 2024/07/09 19:14

Sample crash report:
INFO: task kworker/u8:11:6649 blocked for more than 142 seconds.
      Not tainted 6.12.0-rc6-syzkaller-00110-gff7afaeca1a1 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u8:11   state:D stack:20792 pid:6649  tgid:6649  ppid:2      flags:0x00004000
Workqueue: netns cleanup_net
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x184f/0x4c30 kernel/sched/core.c:6690
 __schedule_loop kernel/sched/core.c:6767 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6782
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6839
 __mutex_lock_common kernel/locking/mutex.c:684 [inline]
 __mutex_lock+0x6a7/0xd70 kernel/locking/mutex.c:752
 ieee80211_unregister_hw+0x55/0x2c0 net/mac80211/main.c:1664
 mac80211_hwsim_del_radio+0x2c4/0x4c0 drivers/net/wireless/virtual/mac80211_hwsim.c:5625
 hwsim_exit_net+0x5c1/0x670 drivers/net/wireless/virtual/mac80211_hwsim.c:6505
 ops_exit_list net/core/net_namespace.c:173 [inline]
 cleanup_net+0x804/0xcc0 net/core/net_namespace.c:626
 process_one_work kernel/workqueue.c:3229 [inline]
 process_scheduled_works+0xa65/0x1850 kernel/workqueue.c:3310
 worker_thread+0x870/0xd30 kernel/workqueue.c:3391
 kthread+0x2f2/0x390 kernel/kthread.c:389
 ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
INFO: task syz.2.1081:10674 blocked for more than 150 seconds.
      Not tainted 6.12.0-rc6-syzkaller-00110-gff7afaeca1a1 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.2.1081      state:D stack:24112 pid:10674 tgid:10634 ppid:5838   flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x184f/0x4c30 kernel/sched/core.c:6690
 __schedule_loop kernel/sched/core.c:6767 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6782
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6839
 __mutex_lock_common kernel/locking/mutex.c:684 [inline]
 __mutex_lock+0x6a7/0xd70 kernel/locking/mutex.c:752
 ip_mc_drop_socket+0x81/0x280 net/ipv4/igmp.c:2702
 inet_release+0x96/0x200 net/ipv4/af_inet.c:424
 __sock_release net/socket.c:658 [inline]
 sock_close+0xbe/0x240 net/socket.c:1426
 __fput+0x241/0x880 fs/file_table.c:431
 task_work_run+0x251/0x310 kernel/task_work.c:239
 exit_task_work include/linux/task_work.h:43 [inline]
 do_exit+0xa2f/0x28e0 kernel/exit.c:939

Crashes (66):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/11/08 00:06 upstream ff7afaeca1a1 c069283c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in ieee80211_unregister_hw
2024/11/04 19:30 upstream 557329bcecc2 509da429 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in ieee80211_unregister_hw
2024/10/22 13:15 upstream c2ee9f594da8 a93682b3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in ieee80211_unregister_hw
2024/10/18 03:26 upstream 6efbea77b390 666f77ed .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in ieee80211_unregister_hw
2024/10/17 15:13 upstream c964ced77262 666f77ed .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in ieee80211_unregister_hw
2024/10/17 06:27 upstream c964ced77262 666f77ed .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in ieee80211_unregister_hw
2024/10/16 22:13 upstream 2f87d0916ce0 666f77ed .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in ieee80211_unregister_hw
2024/10/14 11:58 upstream 6485cf5ea253 084d8178 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in ieee80211_unregister_hw
2024/10/14 08:59 upstream 6485cf5ea253 084d8178 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in ieee80211_unregister_hw
2024/10/12 21:11 upstream 09f6b0c8904b 084d8178 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in ieee80211_unregister_hw
2024/10/11 11:34 upstream 1d227fcc7222 cd942402 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in ieee80211_unregister_hw
2024/10/11 07:11 upstream 1d227fcc7222 cd942402 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in ieee80211_unregister_hw
2024/10/08 02:12 upstream 87d6aab2389e 402f1df0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in ieee80211_unregister_hw
2024/10/07 09:41 upstream 8cf0b93919e1 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in ieee80211_unregister_hw
2024/10/07 06:19 upstream 2a130b7e1fcd d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in ieee80211_unregister_hw
2024/10/06 05:03 upstream fc20a3e57247 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in ieee80211_unregister_hw
2024/10/05 20:27 upstream 27cc6fdf7201 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in ieee80211_unregister_hw
2024/10/05 20:20 upstream 27cc6fdf7201 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in ieee80211_unregister_hw
2024/10/05 15:02 upstream 27cc6fdf7201 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in ieee80211_unregister_hw
2024/10/05 07:09 upstream 27cc6fdf7201 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in ieee80211_unregister_hw
2024/10/04 07:05 upstream 0c559323bbaa d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in ieee80211_unregister_hw
2024/10/04 03:51 upstream 8c245fe7dde3 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in ieee80211_unregister_hw
2024/09/30 21:08 upstream 9852d85ec9d4 bbd4e0a4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in ieee80211_unregister_hw
2024/09/27 06:31 upstream 075dbe9f6e3c 9314348a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in ieee80211_unregister_hw
2024/09/27 05:05 upstream 075dbe9f6e3c 9314348a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in ieee80211_unregister_hw
2024/09/26 20:17 upstream 11a299a7933e 0d19f247 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in ieee80211_unregister_hw
2024/09/26 07:51 upstream aa486552a110 0d19f247 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in ieee80211_unregister_hw
2024/09/24 02:48 upstream abf2050f51fd 89298aad .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in ieee80211_unregister_hw
2024/09/22 22:44 upstream af9c191ac2a0 6f888b75 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in ieee80211_unregister_hw
2024/09/22 08:54 upstream 88264981f208 6f888b75 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in ieee80211_unregister_hw
2024/09/21 12:13 upstream 1868f9d0260e 6f888b75 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in ieee80211_unregister_hw
2024/09/20 20:57 upstream baeb9a7d8b60 6f888b75 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in ieee80211_unregister_hw
2024/09/05 04:40 upstream c7fb1692dc01 dfbe2ed4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in ieee80211_unregister_hw
2024/07/29 01:11 upstream 5437f30d3458 46eb10b7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in ieee80211_unregister_hw
2024/07/27 15:03 upstream 3a7e02c040b1 46eb10b7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in ieee80211_unregister_hw
2024/07/09 20:21 upstream 34afb82a3c67 79d68ada .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in ieee80211_unregister_hw
2024/10/16 02:34 upstream 2f87d0916ce0 bde2d81c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 INFO: task hung in ieee80211_unregister_hw
2024/10/15 23:56 upstream 2f87d0916ce0 bde2d81c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 INFO: task hung in ieee80211_unregister_hw
2024/10/08 10:14 upstream 87d6aab2389e 402f1df0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 INFO: task hung in ieee80211_unregister_hw
2024/10/06 14:32 upstream 8f602276d390 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 INFO: task hung in ieee80211_unregister_hw
2024/10/04 13:00 upstream 3840cbe24cf0 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 INFO: task hung in ieee80211_unregister_hw
2024/09/28 08:39 upstream ad46e8f95e93 440b26ec .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 INFO: task hung in ieee80211_unregister_hw
2024/09/28 01:19 upstream e477dba5442c 2b1784d6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 INFO: task hung in ieee80211_unregister_hw
2024/09/25 08:06 upstream 684a64bf32b6 349a68c4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 INFO: task hung in ieee80211_unregister_hw
2024/09/24 08:26 upstream abf2050f51fd 89298aad .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 INFO: task hung in ieee80211_unregister_hw
2024/09/21 05:11 upstream baeb9a7d8b60 6f888b75 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 INFO: task hung in ieee80211_unregister_hw
2024/08/03 19:30 upstream 17712b7ea075 1786a2a8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 INFO: task hung in ieee80211_unregister_hw
2024/10/15 03:23 net 0b84db5d8f25 b01b6661 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in ieee80211_unregister_hw
2024/10/13 20:30 net 174714f0e505 084d8178 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in ieee80211_unregister_hw
2024/10/11 18:48 net 1d227fcc7222 cd942402 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in ieee80211_unregister_hw
2024/10/11 03:35 net a354733c738d 8fbfc0c8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in ieee80211_unregister_hw
2024/10/11 01:48 net a354733c738d 8fbfc0c8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in ieee80211_unregister_hw
2024/10/04 22:44 net 096c0fa42afa d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in ieee80211_unregister_hw
2024/10/03 11:52 net a0ffa68c70b3 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in ieee80211_unregister_hw
2024/09/29 22:32 net d505d3593b52 ba29ff75 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in ieee80211_unregister_hw
2024/10/18 15:38 net-next 6d858708d465 cd6fc0a3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in ieee80211_unregister_hw
2024/10/13 04:47 net-next c531f2269a53 084d8178 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in ieee80211_unregister_hw
2024/10/09 10:37 net-next 36efaca9cb28 402f1df0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in ieee80211_unregister_hw
2024/10/07 04:09 net-next cf9545686230 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in ieee80211_unregister_hw
2024/10/05 15:12 net-next d521db38f339 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in ieee80211_unregister_hw
2024/10/01 20:40 net-next 44badc908f2c ea2b66a6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in ieee80211_unregister_hw
2024/10/01 06:14 net-next c824deb1a897 bbd4e0a4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in ieee80211_unregister_hw
2024/09/29 05:24 net-next c824deb1a897 ba29ff75 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in ieee80211_unregister_hw
2024/09/28 23:25 net-next c824deb1a897 ba29ff75 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in ieee80211_unregister_hw
2024/08/14 10:04 net-next dd1bf9f9df15 bde81f6f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in ieee80211_unregister_hw
2024/10/02 15:40 linux-next fe2173353674 a4c7fd36 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in ieee80211_unregister_hw
* Struck through repros no longer work on HEAD.