INFO: task hung in do_ipv6_setsockopt

Status: auto-obsoleted due to no activity on 2024/09/20 04:09
Reported-by: syzbot+8c426a59167510da2052@syzkaller.appspotmail.com
First crash: 849d, last: 845d
▶ ▼ Similar bugs (3)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream INFO: task hung in do_ipv6_setsockopt (2) net 1 19 837d 864d 0/29 auto-obsoleted due to no activity on 2024/08/09 06:13
upstream INFO: task hung in do_ipv6_setsockopt net 1 1 1852d 1852d 0/29 auto-closed as invalid on 2021/12/07 11:34
upstream INFO: task hung in do_ipv6_setsockopt (3) net 1 3 719d 752d 0/29 auto-obsoleted due to no activity on 2025/01/13 14:15

Sample crash report:
INFO: task syz-executor.3:6915 blocked for more than 143 seconds.
      Not tainted 6.1.92-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3  state:D stack:27992 pid:6915  ppid:5030   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
 do_ipv6_setsockopt+0x38d/0x43e0 net/ipv6/ipv6_sockglue.c:419

Crashes (2):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/06/12 04:08 linux-6.1.y 88690811da69 4d75f4f7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: task hung in do_ipv6_setsockopt
2024/06/08 00:44 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 do_ipv6_setsockopt
* Struck through repros no longer work on HEAD.