INFO: task hung in ieee80211_register_hw

Status: auto-obsoleted due to no activity on 2024/09/15 00:03
Reported-by: syzbot+be7e07daadfdd31309ea@syzkaller.appspotmail.com
First crash: 784d, last: 784d
▶ ▼ Similar bugs (9)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-6.1 INFO: task hung in ieee80211_register_hw 1 4 775d 780d 0/3 auto-obsoleted due to no activity on 2024/09/23 16:13
upstream INFO: task hung in ieee80211_register_hw (2) wireless 1 2 1641d 1699d 0/29 closed as invalid on 2022/02/08 09:40
linux-4.19 INFO: task hung in ieee80211_register_hw 1 1 1409d 1409d 0/1 auto-obsoleted due to no activity on 2023/01/18 17:32
upstream INFO: task hung in ieee80211_register_hw (6) wireless 1 4 773d 799d 0/29 auto-obsoleted due to no activity on 2024/09/16 03:48
upstream INFO: task hung in ieee80211_register_hw (5) wireless 1 1 927d 927d 0/29 auto-obsoleted due to no activity on 2024/04/15 01:54
upstream INFO: task hung in ieee80211_register_hw (3) wireless 1 1 1608d 1608d 0/29 auto-closed as invalid on 2022/06/03 18:58
upstream INFO: task hung in ieee80211_register_hw (7) wireless 1 syz 5 637d 653d 0/29 closed as invalid on 2024/11/22 14:52
upstream INFO: task hung in ieee80211_register_hw (4) wireless 1 1 1095d 1095d 0/29 auto-obsoleted due to no activity on 2023/10/29 15:52
upstream INFO: task hung in ieee80211_register_hw wireless 1 1 2326d 2326d 0/29 auto-closed as invalid on 2020/06/15 23:33

Sample crash report:
INFO: task syz-executor.0:3525 blocked for more than 143 seconds.
      Not tainted 5.15.160-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0  state:D stack:19480 pid: 3525 ppid:     1 flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5030 [inline]
 __schedule+0x12c4/0x45b0 kernel/sched/core.c:6376
 schedule+0x11b/0x1f0 kernel/sched/core.c:6459
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6518
 __mutex_lock_common+0xe34/0x25a0 kernel/locking/mutex.c:669
 __mutex_lock kernel/locking/mutex.c:729 [inline]
 mutex_lock_nested+0x17/0x20 kernel/locking/mutex.c:743
 ieee80211_register_hw+0x2373/0x39d0 net/mac80211/main.c:1242
 mac80211_hwsim_new_radio+0x223d/0x4200 drivers/net/wireless/mac80211_hwsim.c:3374
 hwsim_new_radio_nl+0xbae/0x1090 drivers/net/wireless/mac80211_hwsim.c:3950
 genl_family_rcv_msg_doit net/netlink/genetlink.c:731 [inline]
 genl_family_rcv_msg net/netlink/genetlink.c:775 [inline]
 genl_rcv_msg+0xfbd/0x14a0 net/netlink/genetlink.c:792

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/06/07 00:02 linux-5.15.y c61bd26ae81a 121701b6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: task hung in ieee80211_register_hw
* Struck through repros no longer work on HEAD.