INFO: task hung in bpf_map_offload_map_alloc

Status: auto-obsoleted due to no activity on 2024/09/11 23:59
Reported-by: syzbot+26db000d18b9f2a9586d@syzkaller.appspotmail.com
First crash: 806d, last: 806d
▶ ▼ Similar bugs (2)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream INFO: task hung in bpf_map_offload_map_alloc bpf 1 4 796d 818d 0/29 auto-obsoleted due to no activity on 2024/09/11 11:25
linux-6.1 INFO: task hung in bpf_map_offload_map_alloc 1 1 798d 798d 0/3 auto-obsoleted due to no activity on 2024/09/19 07:05

Sample crash report:
INFO: task syz-executor.2:7823 blocked for more than 143 seconds.
      Not tainted 5.15.160-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2  state:D stack:28824 pid: 7823 ppid:  7289 flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5030 [inline]
 __schedule+0x12c4/0x45b0 kernel/sched/core.c:6376
 schedule+0x11b/0x1f0 kernel/sched/core.c:6459
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6518
 __mutex_lock_common+0xe34/0x25a0 kernel/locking/mutex.c:669
 __mutex_lock kernel/locking/mutex.c:729 [inline]
 mutex_lock_nested+0x17/0x20 kernel/locking/mutex.c:743
 bpf_map_offload_map_alloc+0x152/0x6b0 kernel/bpf/offload.c:378

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/06/03 23:59 linux-5.15.y c61bd26ae81a a1feae05 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: task hung in bpf_map_offload_map_alloc
* Struck through repros no longer work on HEAD.