INFO: task hung in devinet_ioctl (9)

Status: closed as invalid on 2026/10/06 01:41
Subsystems: net
Labels: prio:normal
[Documentation on labels]
First crash: 427d, last: 5d15h
Cause bisection: failed (error log, bisect log)
  
Fix bisection: failed (error log, bisect log)
  
▶ ▼ ✨ AI Jobs (1)
ID Workflow Result Correct Bug Created Started Finished Revision
212d715e assessment-security DenialOfService: ✅ Exploitable: ❌ FilesystemTrigger: ❌ NetworkTrigger: ❌ PeripheralTrigger: ❌ RemoteTrigger: ❌ Unprivileged: ❌ UserNamespace: ✅ VMGuestTrigger: ❌ VMHostTrigger: ❌ ❓ INFO: task hung in devinet_ioctl (9) 2026/05/19 22:16 2026/05/19 22:16 2026/05/19 23:17 1d9407ad
▶ ▼ Similar bugs (19)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream INFO: task hung in devinet_ioctl (7) net 1 31 563d 571d 0/29 closed as invalid on 2025/04/18 16:40
upstream INFO: task hung in devinet_ioctl (8) net 1 syz error 7 458d 490d 0/29 closed as invalid on 2025/07/31 08:04
linux-6.1 INFO: task hung in devinet_ioctl 1 1 1280d 1280d 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 1109d 1109d 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 798d 868d 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 1707d 1837d 0/29 closed as invalid on 2022/02/07 19:19
linux-6.1 INFO: task hung in devinet_ioctl (5) 1 1 502d 502d 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 184d 192d 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 640d 643d 0/3 auto-obsoleted due to no activity on 2025/04/18 15:16
upstream INFO: task hung in devinet_ioctl net 1 1 2912d 2912d 0/29 auto-closed as invalid on 2019/04/18 15:55
linux-5.15 INFO: task hung in devinet_ioctl (2) 1 3 964d 977d 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 82d 82d 0/3 upstream: reported on 2026/07/20 16:56
upstream INFO: task hung in devinet_ioctl (3) net 1 825 943d 1592d 0/29 closed as invalid on 2024/03/11 20:24
linux-5.15 INFO: task hung in devinet_ioctl (3) 1 3 851d 864d 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 942d 942d 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 7 7d04h 392d 0/3 upstream: reported syz repro on 2025/09/13 16:51
linux-5.15 INFO: task hung in devinet_ioctl (4) 1 1 665d 665d 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 823d 848d 26/29 fixed on 2024/07/09 19:14
linux-5.15 INFO: task hung in devinet_ioctl 1 1 1189d 1189d 0/3 auto-obsoleted due to no activity on 2023/10/17 09:29
▶ ▼ Last patch testing requests (5)
Created Duration User Patch Repo Result
2026/05/19 20:35 23m retest repro upstream error
2026/04/29 08:02 32m retest repro net no crash log
2026/03/10 08:04 18m retest repro upstream error
2026/01/24 22:36 35m retest repro net error
2025/12/20 21:47 18m retest repro upstream report log

Sample crash report:
INFO: task syz-executor:5467 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:21592 pid:5467  tgid:5467  ppid:1      task_flags:0x400140 flags:0x00080002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5325 [inline]
 __schedule+0x1798/0x4cc0 kernel/sched/core.c:6929
 __schedule_loop kernel/sched/core.c:7011 [inline]
 schedule+0x165/0x360 kernel/sched/core.c:7026
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7083
 __mutex_lock_common kernel/locking/mutex.c:676 [inline]
 __mutex_lock+0x7e6/0x1350 kernel/locking/mutex.c:760
 rtnl_net_lock include/linux/rtnetlink.h:130 [inline]
 devinet_ioctl+0x323/0x1b50 net/ipv4/devinet.c:1120
 inet_ioctl+0x3c0/0x4c0 net/ipv4/af_inet.c:1003
 sock_do_ioctl+0xdc/0x300 net/socket.c:1254
 sock_ioctl+0x576/0x790 net/socket.c:1375
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:597 [inline]
 __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:583
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94

Crashes (96):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/11/28 00:23 upstream 765e56e41a5a e8331348 .config console log report syz / log [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root INFO: task hung in devinet_ioctl
2026/08/26 11:54 linux-next a8406e6c0b79 6a91adb4 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in devinet_ioctl
2026/10/02 11:00 upstream d24e8ac715de 6d32eb1f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in devinet_ioctl
2026/09/28 02:42 upstream 104484baf748 a3c7249d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in devinet_ioctl
2026/09/20 17:49 upstream 518e5b794c06 853b104b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in devinet_ioctl
2026/09/18 08:34 upstream 5dd1818b15d9 8d7d05f1 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in devinet_ioctl
2026/09/08 23:24 upstream 5acbae5f7eb3 243b72f1 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in devinet_ioctl
2026/09/08 22:19 upstream 28924df2a08f 243b72f1 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in devinet_ioctl
2026/09/05 10:29 upstream 654ae5d73c05 4f7b22a0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in devinet_ioctl
2026/06/21 21:17 upstream 8cd8cf7a07e5 43bfcdb0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in devinet_ioctl
2026/02/24 06:27 upstream 7dff99b35460 41d2fa6a .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: task hung in devinet_ioctl
2025/09/22 00:23 upstream 2d5bd41a4505 67c37560 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in devinet_ioctl
2026/03/31 11:56 upstream d0c3bcd5b897 d0af506e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 INFO: task hung in devinet_ioctl
2026/10/05 02:53 net 6dc989ea46b9 57bbd979 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in devinet_ioctl
2026/10/05 01:12 net 6dc989ea46b9 57bbd979 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in devinet_ioctl
2026/10/03 05:55 net 71a77ab76e74 57bbd979 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in devinet_ioctl
2026/09/29 11:50 net 6b2462f07cb7 7bf4ea23 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in devinet_ioctl
2026/09/26 13:27 net aadf655e8ea9 a3c7249d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in devinet_ioctl
2026/09/26 11:01 net aadf655e8ea9 a3c7249d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in devinet_ioctl
2026/09/26 03:02 net aadf655e8ea9 f281d9d2 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in devinet_ioctl
2026/09/25 04:30 net 11536ee3d3e0 f281d9d2 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in devinet_ioctl
2026/09/24 11:20 net ab1404ac8115 3c3cdf19 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in devinet_ioctl
2026/09/24 07:42 net ab1404ac8115 0a1606bc .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in devinet_ioctl
2026/09/23 20:43 net 9c572a83037a 0a1606bc .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in devinet_ioctl
2026/09/22 22:51 net 23d42b9a3bcd 3e2106e5 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in devinet_ioctl
2026/09/22 02:50 net 12fec40907fa e12281bd .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in devinet_ioctl
2026/09/21 13:31 net 1e24c4f2ee44 853b104b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in devinet_ioctl
2026/09/21 08:33 net 1e24c4f2ee44 853b104b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in devinet_ioctl
2026/09/20 02:48 net c82b797abe66 853b104b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in devinet_ioctl
2026/09/19 19:33 net 6c096bb08de9 853b104b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in devinet_ioctl
2026/09/18 07:28 net 3b95a04eb5f9 8d7d05f1 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in devinet_ioctl
2026/09/15 17:14 net 6c21ebc81338 81a27d1a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in devinet_ioctl
2026/09/14 04:14 net e6b6078ea173 70a60e12 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in devinet_ioctl
2026/09/13 09:25 net e6b6078ea173 70a60e12 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in devinet_ioctl
2026/09/10 15:43 net 7f26a5e8040b 4e8b1cc6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in devinet_ioctl
2026/09/09 21:46 net a401a9d547c5 4e8b1cc6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in devinet_ioctl
2026/09/09 13:19 net ba4ba11ed6eb 8387c273 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in devinet_ioctl
2026/09/05 16:47 net 80dd7e754b3a 4f7b22a0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in devinet_ioctl
2026/09/01 14:32 net 545b63503c69 316d9396 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in devinet_ioctl
2026/09/01 07:00 net 1376afc7660b 316d9396 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in devinet_ioctl
2026/08/30 11:16 net 2188569e7e1b 2f52988a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in devinet_ioctl
2026/08/22 21:58 net 6776efe4a52f 1e72964b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in devinet_ioctl
2026/01/03 02:07 net dbf8fe85a16a d6526ea3 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in devinet_ioctl
2026/10/05 00:01 net-next cfb7793d1bc0 57bbd979 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in devinet_ioctl
2026/10/03 23:53 net-next cfb7793d1bc0 57bbd979 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in devinet_ioctl
2026/09/30 11:27 net-next 47a144672573 7808aef4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in devinet_ioctl
2026/09/29 06:14 net-next 087827628ad3 7bf4ea23 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in devinet_ioctl
2026/09/26 06:08 net-next e3a46dde2398 f281d9d2 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in devinet_ioctl
2026/09/22 15:33 net-next eabc76156e86 e12281bd .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in devinet_ioctl
2026/09/20 16:07 net-next a4e22e9253e7 853b104b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in devinet_ioctl
2026/09/20 12:31 net-next a4e22e9253e7 853b104b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in devinet_ioctl
2026/09/15 22:12 net-next 0019aa65bbc6 81a27d1a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in devinet_ioctl
2026/09/15 12:12 net-next 0019aa65bbc6 81a27d1a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in devinet_ioctl
2026/09/14 07:49 net-next 879e280b8486 70a60e12 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in devinet_ioctl
2026/09/13 22:35 net-next 879e280b8486 70a60e12 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in devinet_ioctl
2026/09/11 06:02 net-next 211f2a875f6f 1fe56c0a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in devinet_ioctl
2026/09/11 00:26 net-next 211f2a875f6f 1fe56c0a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in devinet_ioctl
2026/09/10 09:37 net-next 8342c68435dd 4e8b1cc6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in devinet_ioctl
2026/09/03 13:14 net-next d0ec95a8a4e7 6a988719 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in devinet_ioctl
2026/09/26 12:25 linux-next f5f84daefcd9 a3c7249d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in devinet_ioctl
* Struck through repros no longer work on HEAD.