syzbot


INFO: task hung in rtnl_newlink_create

Status: auto-obsoleted due to no activity on 2026/05/13 07:40
Subsystems: net
[Documentation on labels]
First crash: 111d, last: 111d
✨ AI Jobs (1)
ID Workflow Result Correct Bug Created Started Finished Revision Error
489485b3-2e51-45b0-bd6b-e4847b88f45e repro INFO: task hung in rtnl_newlink_create 2026/03/07 22:39 2026/03/07 22:39 2026/03/07 22:49 31e9c887f7dc24e04b3ca70d0d54fc34141844b0

Sample crash report:
INFO: task syz.3.817:9186 blocked for more than 145 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.3.817       state:D stack:26512 pid:9186  tgid:9181  ppid:5825   task_flags:0x400140 flags:0x00080002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5260 [inline]
 __schedule+0x14ea/0x5050 kernel/sched/core.c:6867
 __schedule_loop kernel/sched/core.c:6949 [inline]
 schedule+0x164/0x360 kernel/sched/core.c:6964
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7021
 rtnl_newlink_create+0x277/0xb70 net/core/rtnetlink.c:3830

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/02/12 07:38 net-next 83310d613382 76a109e2 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in rtnl_newlink_create
* Struck through repros no longer work on HEAD.