INFO: task hung in ieee80211_register_hw

Status: auto-obsoleted due to no activity on 2024/09/23 16:13
Reported-by: syzbot+23086b59bca9ae170a5b@syzkaller.appspotmail.com
First crash: 808d, last: 803d
▶ ▼ Similar bugs (9)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream INFO: task hung in ieee80211_register_hw (2) wireless 1 2 1669d 1727d 0/29 closed as invalid on 2022/02/08 09:40
linux-4.19 INFO: task hung in ieee80211_register_hw 1 1 1437d 1437d 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 801d 827d 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 955d 955d 0/29 auto-obsoleted due to no activity on 2024/04/15 01:54
linux-5.15 INFO: task hung in ieee80211_register_hw 1 1 812d 812d 0/3 auto-obsoleted due to no activity on 2024/09/15 00:03
upstream INFO: task hung in ieee80211_register_hw (3) wireless 1 1 1636d 1636d 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 665d 680d 0/29 closed as invalid on 2024/11/22 14:52
upstream INFO: task hung in ieee80211_register_hw (4) wireless 1 1 1123d 1123d 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 2354d 2354d 0/29 auto-closed as invalid on 2020/06/15 23:33

Sample crash report:
INFO: task syz-executor.2:3574 blocked for more than 143 seconds.
      Not tainted 6.1.93-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2  state:D stack:20384 pid:3574  ppid:1      flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5245 [inline]
 __schedule+0x142d/0x4550 kernel/sched/core.c:6558
 schedule+0xbf/0x180 kernel/sched/core.c:6634
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6693
 __mutex_lock_common kernel/locking/mutex.c:679 [inline]
 __mutex_lock+0x6b9/0xd80 kernel/locking/mutex.c:747
 ieee80211_register_hw+0x2ca4/0x3f10 net/mac80211/main.c:1321
 mac80211_hwsim_new_radio+0x22d9/0x4060 drivers/net/wireless/mac80211_hwsim.c:4582
 hwsim_new_radio_nl+0xc54/0x1190 drivers/net/wireless/mac80211_hwsim.c:5176
 genl_rcv_msg+0xc1

Crashes (4):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/06/15 16:12 linux-6.1.y ae9f2a70d69e f429ab00 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: task hung in ieee80211_register_hw
2024/06/14 20:22 linux-6.1.y ae9f2a70d69e f429ab00 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: task hung in ieee80211_register_hw
2024/06/14 20:17 linux-6.1.y ae9f2a70d69e f429ab00 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: task hung in ieee80211_register_hw
2024/06/10 18:38 linux-6.1.y 88690811da69 048c640a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: task hung in ieee80211_register_hw
* Struck through repros no longer work on HEAD.