syzbot


INFO: task hung in dev_ioctl (5)

Status: auto-closed as invalid on 2022/01/19 01:57
Subsystems: net
[Documentation on labels]
First crash: 1052d, last: 1007d
Similar bugs (11)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream INFO: task hung in dev_ioctl (4) net 1 1164d 1164d 0/27 auto-closed as invalid on 2021/08/15 15:56
linux-4.14 INFO: task hung in dev_ioctl 1 827d 827d 0/1 auto-closed as invalid on 2022/08/17 13:11
android-49 INFO: task hung in dev_ioctl 1 2209d 2209d 0/3 auto-closed as invalid on 2019/02/22 12:59
upstream INFO: task hung in dev_ioctl (2) net 1 1922d 1922d 0/27 closed as invalid on 2019/05/08 13:05
android-414 INFO: task hung in dev_ioctl 2 2126d 2146d 0/1 auto-closed as invalid on 2019/03/27 22:33
android-414 INFO: task hung in dev_ioctl (2) 1 1699d 1698d 0/1 auto-closed as invalid on 2020/03/28 22:15
linux-6.1 INFO: task hung in dev_ioctl 3 37d 54d 0/3 upstream: reported on 2024/05/31 11:34
upstream INFO: task hung in rtnetlink_rcv_msg net C inconclusive inconclusive 1970 15d 1979d 27/27 fixed on 2024/07/09 19:14
upstream INFO: task hung in dev_ioctl net 2 2123d 2151d 0/27 auto-closed as invalid on 2019/03/30 00:48
upstream INFO: task hung in dev_ioctl (3) net 7 1300d 1429d 0/27 auto-closed as invalid on 2021/04/01 04:28
linux-5.15 INFO: task hung in dev_ioctl 2 57d 63d 0/3 upstream: reported on 2024/05/22 11:00

Sample crash report:
 switchdev_deferred_process_work+0xa/0x20 net/switchdev/switchdev.c:74
 process_one_work+0x853/0x1140 kernel/workqueue.c:2297
 worker_thread+0xac1/0x1320 kernel/workqueue.c:2444
 kthread+0x453/0x480 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30
INFO: task syz-executor.4:19239 blocked for more than 144 seconds.
      Not tainted 5.15.0-rc2-syzkaller #0
task:syz-executor.4  state:D
 stack:27792 pid:19239 ppid:  6571 flags:0x00004004
Call Trace:
 schedule+0x14b/0x210 kernel/sched/core.c:6366
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6425
 __mutex_lock kernel/locking/mutex.c:729 [inline]
 mutex_lock_nested+0x1a/0x20 kernel/locking/mutex.c:743
 dev_ioctl+0x62b/0xf30 net/core/dev_ioctl.c:611
 sock_ioctl+0x78a/0x990 net/socket.c:1162
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:874 [inline]
 __se_sys_ioctl+0xfb/0x170 fs/ioctl.c:860
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7feb90e03709

Crashes (20):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2021/09/23 02:56 upstream cf1d2c3e7e2f 8cac236e .config console log report info ci-upstream-kasan-gce-smack-root INFO: task hung in dev_ioctl
2021/09/14 17:13 upstream 1619b69edce1 07e953c1 .config console log report info ci-upstream-kasan-gce-smack-root INFO: task hung in dev_ioctl
2021/10/20 06:21 net-next-old cb3dc8901ba4 466b7db1 .config console log report info ci-upstream-net-kasan-gce INFO: task hung in dev_ioctl
2021/10/19 18:29 net-next-old cb3dc8901ba4 466b7db1 .config console log report info ci-upstream-net-kasan-gce INFO: task hung in dev_ioctl
2021/10/19 13:47 net-next-old cb3dc8901ba4 24dc29db .config console log report info ci-upstream-net-kasan-gce INFO: task hung in dev_ioctl
2021/10/18 13:30 net-next-old d40dfa0cebd8 0c5d9412 .config console log report info ci-upstream-net-kasan-gce INFO: task hung in dev_ioctl
2021/10/18 13:15 net-next-old d40dfa0cebd8 0c5d9412 .config console log report info ci-upstream-net-kasan-gce INFO: task hung in dev_ioctl
2021/09/06 05:12 bpf-next a16ef91aa61a d236a457 .config console log report info ci-upstream-bpf-next-kasan-gce INFO: task hung in dev_ioctl
2021/10/21 01:48 linux-next 51dba6e335ff f111d03b .config console log report info ci-upstream-linux-next-kasan-gce-root INFO: task hung in dev_ioctl
2021/10/20 23:54 linux-next 51dba6e335ff f111d03b .config console log report info ci-upstream-linux-next-kasan-gce-root INFO: task hung in dev_ioctl
2021/10/20 23:35 linux-next 51dba6e335ff f111d03b .config console log report info ci-upstream-linux-next-kasan-gce-root INFO: task hung in dev_ioctl
2021/10/20 13:36 linux-next 51dba6e335ff 418a00eb .config console log report info ci-upstream-linux-next-kasan-gce-root INFO: task hung in dev_ioctl
2021/10/20 13:33 linux-next 51dba6e335ff 418a00eb .config console log report info ci-upstream-linux-next-kasan-gce-root INFO: task hung in dev_ioctl
2021/10/20 12:56 linux-next 51dba6e335ff 418a00eb .config console log report info ci-upstream-linux-next-kasan-gce-root INFO: task hung in dev_ioctl
2021/10/20 08:25 linux-next 51dba6e335ff 466b7db1 .config console log report info ci-upstream-linux-next-kasan-gce-root INFO: task hung in dev_ioctl
2021/09/16 07:00 linux-next 368847b165bb 07e953c1 .config console log report info ci-upstream-linux-next-kasan-gce-root INFO: task hung in dev_ioctl
2021/10/20 13:59 linux-next 51dba6e335ff 418a00eb .config console log report info ci-upstream-linux-next-kasan-gce-root INFO: task can't die in dev_ioctl
2021/10/20 13:15 linux-next 51dba6e335ff 418a00eb .config console log report info ci-upstream-linux-next-kasan-gce-root INFO: task can't die in dev_ioctl
2021/10/20 11:50 linux-next 51dba6e335ff 418a00eb .config console log report info ci-upstream-linux-next-kasan-gce-root INFO: task can't die in dev_ioctl
2021/10/20 09:46 linux-next 51dba6e335ff 466b7db1 .config console log report info ci-upstream-linux-next-kasan-gce-root INFO: task can't die in dev_ioctl
* Struck through repros no longer work on HEAD.