INFO: task hung in devinet_ioctl (8)

Status: closed as invalid on 2025/07/31 08:04
Subsystems: net
[Documentation on labels]
First crash: 476d, last: 399d
Cause bisection: failed (error log, bisect log)
  
▶ ▼ Similar bugs (18)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream INFO: task hung in devinet_ioctl (7) net 1 31 505d 512d 0/29 closed as invalid on 2025/04/18 16:40
linux-6.1 INFO: task hung in devinet_ioctl 1 1 1221d 1221d 0/3 auto-obsoleted due to no activity on 2023/08/07 17:54
linux-6.1 INFO: task hung in devinet_ioctl (2) 1 1 1050d 1050d 0/3 auto-obsoleted due to no activity on 2024/01/05 10:55
linux-6.1 INFO: task hung in devinet_ioctl (3) 1 3 740d 810d 0/3 auto-obsoleted due to no activity on 2024/11/11 06:30
upstream INFO: task hung in devinet_ioctl (2) net 1 27 1649d 1779d 0/29 closed as invalid on 2022/02/07 19:19
linux-6.1 INFO: task hung in devinet_ioctl (5) 1 1 443d 443d 0/3 auto-obsoleted due to no activity on 2025/09/03 12:59
linux-6.6 INFO: task hung in devinet_ioctl 1 2 125d 133d 0/2 auto-obsoleted due to no activity on 2026/07/18 18:19
linux-6.1 INFO: task hung in devinet_ioctl (4) 1 2 581d 584d 0/3 auto-obsoleted due to no activity on 2025/04/18 15:16
upstream INFO: task hung in devinet_ioctl net 1 1 2853d 2853d 0/29 auto-closed as invalid on 2019/04/18 15:55
linux-5.15 INFO: task hung in devinet_ioctl (2) 1 3 906d 919d 0/3 auto-obsoleted due to no activity on 2024/05/28 21:09
linux-5.15 INFO: task hung in devinet_ioctl (5) 1 1 23d 23d 0/3 upstream: reported on 2026/07/20 16:56
upstream INFO: task hung in devinet_ioctl (3) net 1 825 884d 1534d 0/29 closed as invalid on 2024/03/11 20:24
linux-5.15 INFO: task hung in devinet_ioctl (3) 1 3 793d 806d 0/3 auto-obsoleted due to no activity on 2024/09/19 07:29
upstream INFO: task hung in devinet_ioctl (4) net 1 5 883d 883d 25/29 fixed on 2024/04/12 18:02
linux-6.1 INFO: task hung in devinet_ioctl (6) origin:lts-only 1 syz inconclusive 4 93d 333d 0/3 upstream: reported syz repro on 2025/09/13 16:51
linux-5.15 INFO: task hung in devinet_ioctl (4) 1 1 606d 606d 0/3 auto-obsoleted due to no activity on 2025/03/24 18:20
upstream INFO: task hung in devinet_ioctl (5) net 1 59 764d 790d 26/29 fixed on 2024/07/09 19:14
linux-5.15 INFO: task hung in devinet_ioctl 1 1 1130d 1130d 0/3 auto-obsoleted due to no activity on 2023/10/17 09:29
▶ ▼ Last patch testing requests (2)
Created Duration User Patch Repo Result
2025/07/24 04:35 1h23m retest repro upstream no crash log
2025/07/23 11:34 18m retest repro upstream report log

Sample crash report:
INFO: task syz-executor:5462 blocked for more than 143 seconds.
      Not tainted 6.15.0-syzkaller-13473-gc0c9379f235d #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor    state:D stack:20776 pid:5462  tgid:5462  ppid:1      task_flags:0x400140 flags:0x00004004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5396 [inline]
 __schedule+0x16f5/0x4d00 kernel/sched/core.c:6785
 __schedule_loop kernel/sched/core.c:6863 [inline]
 schedule+0x165/0x360 kernel/sched/core.c:6878
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6935
 __mutex_lock_common kernel/locking/mutex.c:679 [inline]
 __mutex_lock+0x724/0xe80 kernel/locking/mutex.c:747
 rtnl_net_lock include/linux/rtnetlink.h:130 [inline]
 devinet_ioctl+0x323/0x1b50 net/ipv4/devinet.c:1121
 inet_ioctl+0x3c0/0x4c0 net/ipv4/af_inet.c:1001
 sock_do_ioctl+0xd9/0x300 net/socket.c:1190
 sock_ioctl+0x576/0x790 net/socket.c:1311
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:907 [inline]
 __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:893
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fbbec78e52b
RSP: 002b:00007ffc97f3d900 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007ffc97f3da20 RCX: 00007fbbec78e52b
RDX: 00007ffc97f3d980 RSI: 0000000000008914 RDI: 0000000000000005
RBP: 0000000000000005 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000024
R13: 0000000000000047 R14: 00007fbbed4e4620 R15: 00007ffc97f3d980
 </TASK>
INFO: task syz-executor:5468 blocked for more than 150 seconds.
      Not tainted 6.15.0-syzkaller-13473-gc0c9379f235d #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor    state:D stack:21960 pid:5468  tgid:5468  ppid:1      task_flags:0x400140 flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5396 [inline]
 __schedule+0x16f5/0x4d00 kernel/sched/core.c:6785
 __schedule_loop kernel/sched/core.c:6863 [inline]
 schedule+0x165/0x360 kernel/sched/core.c:6878
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6935
 __mutex_lock_common kernel/locking/mutex.c:679 [inline]
 __mutex_lock+0x724/0xe80 kernel/locking/mutex.c:747

Crashes (7):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/06/07 04:42 upstream c0c9379f235d 4826c28e .config console log report syz / log [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root INFO: task hung in devinet_ioctl
2025/07/09 11:33 upstream 733923397fd9 f4e5e155 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: task hung in devinet_ioctl
2025/06/22 09:43 upstream 739a6c93cc75 d6cdfb8a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in devinet_ioctl
2025/06/11 00:11 upstream f09079bd04a9 5d7e17ca .config console log report syz / log [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in devinet_ioctl
2025/04/24 01:00 upstream a79be02bba5c 9882047a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in devinet_ioctl
2025/06/06 14:39 net 82cbd06f327f f61267d4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in devinet_ioctl
2025/07/05 08:11 linux-next 26ffb3d6f02c 4f67c4ae .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce INFO: task hung in devinet_ioctl
* Struck through repros no longer work on HEAD.