syzbot


INFO: task hung in do_ip_setsockopt

Status: auto-closed as invalid on 2022/05/09 22:19
Reported-by: syzbot+2569886c62f4f20d8880@syzkaller.appspotmail.com
First crash: 1058d, last: 1058d
Similar bugs (3)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-6.1 INFO: task hung in do_ip_setsockopt 1 178d 178d 0/3 auto-obsoleted due to no activity on 2024/09/16 00:20
android-414 INFO: task hung in do_ip_setsockopt 1 2047d 2047d 0/1 auto-closed as invalid on 2019/10/24 07:11
upstream INFO: task hung in do_ip_setsockopt net 2 424d 430d 0/28 auto-obsoleted due to no activity on 2024/01/03 18:34

Sample crash report:
bridge0: port 2(bridge_slave_1) entered disabled state
bridge0: port 1(bridge_slave_0) entered disabled state
ieee802154 phy0 wpan0: encryption failed: -22
ieee802154 phy1 wpan1: encryption failed: -22
INFO: task syz-executor.1:29854 blocked for more than 140 seconds.
      Not tainted 4.19.211-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.1  D29776 29854  25416 0x00000004
Call Trace:
 context_switch kernel/sched/core.c:2828 [inline]
 __schedule+0x887/0x2040 kernel/sched/core.c:3517
 schedule+0x8d/0x1b0 kernel/sched/core.c:3561
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619
 __mutex_lock_common kernel/locking/mutex.c:1016 [inline]
 __mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078
 do_ip_setsockopt.constprop.0+0x11c/0x3ba0 net/ipv4/ip_sockglue.c:642

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2022/01/09 22:18 linux-4.19.y 3f8a27f9e27b 2ca0d385 .config console log report info ci2-linux-4-19 INFO: task hung in do_ip_setsockopt
* Struck through repros no longer work on HEAD.