syzbot


INFO: task hung in hash_recvmsg

Status: auto-obsoleted due to no activity on 2023/10/03 04:41
Subsystems: crypto
[Documentation on labels]
First crash: 780d, last: 780d

Sample crash report:
INFO: task syz-executor.2:16505 blocked for more than 143 seconds.
      Not tainted 6.4.0-rc7-syzkaller-01948-gae230642190a #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2  state:D stack:27360 pid:16505 ppid:5049   flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5343 [inline]
 __schedule+0xc9a/0x5880 kernel/sched/core.c:6669
 schedule+0xde/0x1a0 kernel/sched/core.c:6745
 schedule_timeout+0x276/0x2b0 kernel/time/timer.c:2143
 do_wait_for_common kernel/sched/completion.c:85 [inline]
 __wait_for_common+0x1ce/0x5c0 kernel/sched/completion.c:106
 crypto_wait_req include/linux/crypto.h:396 [inline]
 crypto_wait_req include/linux/crypto.h:391 [inline]
 hash_recvmsg+0x7d5/0xa80 crypto/algif_hash.c:208
 sock_recvmsg_nosec net/socket.c:1019 [inline]
 ____sys_recvmsg+0x49c/0x5a0 net/socket.c:2710
 ___sys_recvmsg+0xf2/0x180 net/socket.c:2754

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/07/05 04:34 net-next ae230642190a 80298b6f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in hash_recvmsg
* Struck through repros no longer work on HEAD.