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| Kernel | Title | Rank 🛈 | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
|---|---|---|---|---|---|---|---|---|---|---|
| upstream | INFO: task hung in dup_mm mm | 1 | 2 | 2066d | 2130d | 0/29 | auto-closed as invalid on 2020/10/06 05:48 | |||
| upstream | INFO: task hung in dup_mm (2) kernel | 1 | 7 | 1567d | 1711d | 0/29 | closed as invalid on 2022/02/07 19:19 |
INFO: task udevd:3123 blocked for more than 436 seconds.
Not tainted 6.15.0-rc2-syzkaller-00048-gc62f4b82d571 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:udevd state:D stack:0 pid:3123 tgid:3123 ppid:1 task_flags:0x400140 flags:0x0000000c
Call trace:
__switch_to+0x204/0x4bc arch/arm64/kernel/process.c:701 (T)
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0xd34/0x3188 kernel/sched/core.c:6767
__schedule_loop kernel/sched/core.c:6845 [inline]
schedule+0xd0/0x344 kernel/sched/core.c:6860
schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6917
rwsem_down_write_slowpath+0x4b8/0xd5c kernel/locking/rwsem.c:1176
__down_write_common kernel/locking/rwsem.c:1304 [inline]
__down_write kernel/locking/rwsem.c:1313 [inline]
down_write+0x18c/0x1a4 kernel/locking/rwsem.c:1578
i_mmap_lock_write include/linux/fs.h:545 [inline]
dup_mmap kernel/fork.c:714 [inline]
dup_mm.constprop.0+0xcd4/0x1880 kernel/fork.c:1734
copy_mm kernel/fork.c:1786 [inline]
copy_process+0x4f5c/0x51f0 kernel/fork.c:2429
| Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025/04/17 04:54 | upstream | c62f4b82d571 | a95239b1 | .config | console log | report | info | [disk image (non-bootable)] [vmlinux] [kernel image] | ci-qemu2-arm64-compat | INFO: task hung in dup_mm |