INFO: task hung in __schedule

Status: closed as invalid on 2017/12/19 12:40
Subsystems: kernel
[Documentation on labels]
Reported-by: syzbot+5144ebdd92e7f50cf2af954d5e527d47605d117d@syzkaller.appspotmail.com
First crash: 3179d, last: 3170d
▶ ▼ Similar bugs (2)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream INFO: task hung in __schedule (2) kernel 1 1 3149d 3149d 0/29 closed as invalid on 2018/01/05 10:57
upstream INFO: task hung in __schedule (3) kernel 1 2 3128d 3132d 0/29 closed as invalid on 2018/02/12 11:39

Sample crash report:
INFO: task syz-executor1:9810 blocked for more than 120 seconds.
      Not tainted 4.15.0-rc2+ #208
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor1   D23952  9810   4552 0x00000004
Call Trace:
 context_switch kernel/sched/core.c:2799 [inline]
 __schedule+0x8eb/0x2060 kernel/sched/core.c:3375
 ? tpacket_write_wait: Connection to 216.239.38.127 port 9600: Broken pipe

Crashes (3):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2017/12/06 02:03 upstream fd6d2e506ce6 de212f1a .config console log report ci-upstream-kasan-gce
2017/12/13 18:13 net-next-old f93ea3bf151d ce7f2399 .config console log report ci-upstream-net-kasan-gce
2017/12/05 14:02 net-next-old a3fde2addd5f de212f1a .config console log report ci-upstream-net-kasan-gce
* Struck through repros no longer work on HEAD.