syzbot


INFO: task hung in raw_close

Status: auto-closed as invalid on 2019/10/22 04:54
Reported-by: syzbot+14e7fe761e2d6bda3c5e@syzkaller.appspotmail.com
First crash: 1931d, last: 1887d
Similar bugs (2)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.14 INFO: task hung in raw_close (2) 1 762d 762d 0/1 auto-obsoleted due to no activity on 2022/09/20 23:01
linux-4.14 INFO: task hung in raw_close 1 1404d 1404d 0/1 auto-closed as invalid on 2020/12/18 08:57

Sample crash report:
audit: type=1400 audit(2000000294.867:112532): avc:  denied  { map } for  pid=8105 comm="blkid" path="/lib/x86_64-linux-gnu/libuuid.so.1.3.0" dev="sda1" ino=2819 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1
ip6_tunnel: ip6tnl1 xmit: Local address not yet configured!
INFO: task kworker/u4:30:6199 blocked for more than 140 seconds.
      Not tainted 4.14.113+ #61
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
kworker/u4:30   D26152  6199      2 0x90000000
Workqueue: netns cleanup_net
Call Trace:
 schedule+0x92/0x1c0 kernel/sched/core.c:3498
 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3556
 __mutex_lock_common kernel/locking/mutex.c:833 [inline]
 __mutex_lock+0x559/0x1430 kernel/locking/mutex.c:893
 raw_close+0xe/0x30 net/ipv4/raw.c:699
 inet_release+0xe9/0x1c0 net/ipv4/af_inet.c:423
 __sock_release+0x206/0x2c0 net/socket.c:602

Crashes (2):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2019/04/25 04:53 android-4.14 ffa22221c473 8e3c52b1 .config console log report ci-android-414-kasan-gce-root
2019/03/12 10:08 android-4.14 b11964adfe4c 12365b99 .config console log report ci-android-414-kasan-gce-root
* Struck through repros no longer work on HEAD.