syzbot


INFO: task hung in nsim_drv_remove (3)

Status: auto-obsoleted due to no activity on 2026/04/01 18:46
Subsystems: net
[Documentation on labels]
First crash: 105d, last: 105d
Similar bugs (3)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-6.6 INFO: task hung in nsim_drv_remove origin:upstream 1 C error 1 81d 81d 0/2 upstream: reported C repro on 2026/01/25 11:38
upstream INFO: task hung in nsim_drv_remove (2) net 1 2 619d 677d 0/29 auto-obsoleted due to no activity on 2024/11/03 12:36
upstream INFO: task hung in nsim_drv_remove net 1 1 912d 912d 0/29 auto-obsoleted due to no activity on 2024/01/15 19:32

Sample crash report:
INFO: task syz-executor:23203 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor    state:D stack:22120 pid:23203 tgid:23203 ppid:23200  task_flags:0x400140 flags:0x00080000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5256 [inline]
 __schedule+0x149b/0x4fd0 kernel/sched/core.c:6863
 nsim_drv_remove+0x58/0x160 drivers/net/netdevsim/dev.c:1778

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/01/01 18:40 net-next dbf8fe85a16a d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in nsim_drv_remove
* Struck through repros no longer work on HEAD.