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INFO: task hung in regdb_fw_cb

Status: auto-obsoleted due to no activity on 2024/09/03 05:40
Reported-by: syzbot+60c583f4b079637ecba0@syzkaller.appspotmail.com
First crash: 137d, last: 102d
▶ ▼ Similar bugs (4)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream INFO: task hung in regdb_fw_cb wireless 596 92d 133d 26/28 fixed on 2024/07/09 19:14
linux-5.15 INFO: task hung in regdb_fw_cb (2) 1 1d18h 1d18h 0/3 upstream: reported on 2024/10/04 03:29
upstream INFO: task hung in regdb_fw_cb (2) wireless C inconclusive 29 2h17m 10h27m 0/28 upstream: reported C repro on 2024/10/05 11:25
linux-5.15 INFO: task hung in regdb_fw_cb 23 93d 136d 0/3 auto-obsoleted due to no activity on 2024/09/12 09:41

Sample crash report:
INFO: task kworker/0:1:14 blocked for more than 143 seconds.
      Not tainted 6.1.94-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:1     state:D stack:25408 pid:14    ppid:2      flags:0x00004000
Workqueue: events request_firmware_work_func
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
 regdb_fw_cb+0x7e/0x1b0 net/wireless/reg.c:1053

Crashes (17):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/06/25 05:39 linux-6.1.y eb44d83053d6 215eef4a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: task hung in regdb_fw_cb
2024/06/23 10:13 linux-6.1.y eb44d83053d6 edc5149a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: task hung in regdb_fw_cb
2024/06/18 03:56 linux-6.1.y eb44d83053d6 ce6011bc .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: task hung in regdb_fw_cb
2024/06/13 15:07 linux-6.1.y ae9f2a70d69e a9616ff5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: task hung in regdb_fw_cb
2024/06/11 07:08 linux-6.1.y 88690811da69 b7d9eb04 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: task hung in regdb_fw_cb
2024/06/10 16:43 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 regdb_fw_cb
2024/06/09 00:43 linux-6.1.y 88690811da69 82c05ab8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: task hung in regdb_fw_cb
2024/06/05 02:43 linux-6.1.y 88690811da69 e1e2c66e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: task hung in regdb_fw_cb
2024/06/04 14:55 linux-6.1.y 88690811da69 11f2afa5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: task hung in regdb_fw_cb
2024/06/03 14:30 linux-6.1.y 88690811da69 0aba2352 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: task hung in regdb_fw_cb
2024/05/31 17:47 linux-6.1.y 88690811da69 0c378259 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: task hung in regdb_fw_cb
2024/05/31 17:40 linux-6.1.y 88690811da69 0c378259 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: task hung in regdb_fw_cb
2024/05/28 01:19 linux-6.1.y 88690811da69 f550015e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: task hung in regdb_fw_cb
2024/05/27 18:32 linux-6.1.y 88690811da69 761766e6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: task hung in regdb_fw_cb
2024/05/27 18:31 linux-6.1.y 88690811da69 761766e6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: task hung in regdb_fw_cb
2024/05/22 06:55 linux-6.1.y 4078fa637fcd 1014eca7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: task hung in regdb_fw_cb
2024/05/21 10:48 linux-6.1.y 4078fa637fcd 4c0d3ee3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: task hung in regdb_fw_cb
* Struck through repros no longer work on HEAD.