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INFO: task hung in inet_rtm_newaddr

Status: upstream: reported C repro on 2024/12/26 09:45
Subsystems: net
[Documentation on labels]
Reported-by: syzbot+adeb8550754921fece20@syzkaller.appspotmail.com
First crash: 276d, last: 5h11m
Cause bisection: introduced by (bisect log) :
commit 5a781ccbd19e4664babcbe4b4ead7aa2b9283d22
Author: Vinicius Costa Gomes <vinicius.gomes@intel.com>
Date: Sat Sep 29 00:59:43 2018 +0000

  tc: Add support for configuring the taprio scheduler

Crash: BUG: unable to handle kernel NULL pointer dereference in taprio_dequeue (log)
Repro: syz .config
  
▶ ▼ Discussions (1)
Title Replies (including bot) Last reply
[syzbot] [netfilter?] INFO: task hung in inet_rtm_newaddr 0 (2) 2025/07/15 20:55
▶ ▼ Last patch testing requests (10)
Created Duration User Patch Repo Result
2025/06/19 18:47 18m retest repro upstream report log
2025/06/19 17:08 18m retest repro upstream report log
2025/06/19 17:08 20m retest repro upstream OK log
2025/06/19 17:08 20m retest repro upstream OK log
2025/06/19 17:08 18m retest repro upstream report log
2025/06/19 17:08 18m retest repro upstream report log
2025/06/19 15:14 30m retest repro upstream report log
2025/06/19 15:14 19m retest repro upstream OK log
2025/06/19 15:14 19m retest repro upstream OK log
2025/06/19 15:14 18m retest repro upstream report log
▶ ▼ Fix bisection attempts (1)
Created Duration User Patch Repo Result
2025/05/21 15:12 2h19m bisect fix upstream OK (0) job log log

Sample crash report:
INFO: task syz-executor:6015 blocked for more than 143 seconds.
      Not tainted 6.16.0-rc6-next-20250714-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor    state:D stack:26920 pid:6015  tgid:6015  ppid:1      task_flags:0x400140 flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5314 [inline]
 __schedule+0x16f5/0x4d00 kernel/sched/core.c:6697
 __schedule_loop kernel/sched/core.c:6775 [inline]
 schedule+0x165/0x360 kernel/sched/core.c:6790
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6847
 __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]
 inet_rtm_newaddr+0x3b0/0x18b0 net/ipv4/devinet.c:979

Crashes (67):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/07/15 20:55 linux-next 0be23810e32e 03fcfc4b .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in inet_rtm_newaddr
2024/12/14 00:04 upstream f932fb9b4074 7cbfbb3a .config console log report syz / log [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in inet_rtm_newaddr
2025/07/28 07:47 upstream b711733e89a3 fb8f743d .config console log report syz / log [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root INFO: task hung in inet_rtm_newaddr
2025/06/05 14:30 upstream ec7714e49479 6b6b5f21 .config console log report syz / log [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root INFO: task hung in inet_rtm_newaddr
2025/02/21 03:58 upstream e9a8cac0bf89 0808a665 .config console log report syz / log [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root INFO: task hung in inet_rtm_newaddr
2025/02/13 14:19 upstream 4dc1d1bec898 7320a65f .config console log report syz / log [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root INFO: task hung in inet_rtm_newaddr
2025/02/08 02:26 upstream 7ee983c850b4 ef44b750 .config console log report syz / log [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root INFO: task hung in inet_rtm_newaddr
2025/02/03 02:24 upstream 69e858e0b8b2 568559e4 .config console log report syz / log [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root INFO: task hung in inet_rtm_newaddr
2025/02/01 07:16 upstream 69e858e0b8b2 aa47157c .config console log report syz / log [disk image (non-bootable)] [vmlinux] [kernel image] [mounted in repro] ci-snapshot-upstream-root INFO: task hung in inet_rtm_newaddr
2024/11/30 23:32 upstream d8b78066f4c9 68914665 .config console log report syz / log [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root INFO: task hung in inet_rtm_newaddr
2025/08/03 08:27 upstream eacf91b0c78a 7368264b .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: task hung in inet_rtm_newaddr
2025/07/10 07:03 upstream 8c2e52ebbe88 956bd956 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: task hung in inet_rtm_newaddr
2025/06/29 01:40 upstream dfba48a70cb6 fc9d8ee5 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in inet_rtm_newaddr
2025/06/25 06:41 upstream 7595b66ae9de 26d77996 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: task hung in inet_rtm_newaddr
2025/04/17 19:09 upstream cfb2e2c57aef 2a6ededb .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in inet_rtm_newaddr
2025/03/25 15:47 upstream 327ecdbc0fda 875573af .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in inet_rtm_newaddr
2025/03/19 12:32 upstream 81e4f8d68c66 8d0a2921 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in inet_rtm_newaddr
2025/03/10 20:23 upstream 80e54e84911a 16256247 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in inet_rtm_newaddr
2025/03/08 23:49 upstream 2a520073e74f 163f510d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in inet_rtm_newaddr
2025/01/31 21:46 upstream 69e858e0b8b2 aa47157c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in inet_rtm_newaddr
2025/01/27 00:20 upstream c2da8b3f914f 9fbd772e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in inet_rtm_newaddr
2025/01/26 18:59 upstream aa22f4da2a46 9fbd772e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in inet_rtm_newaddr
2025/01/25 15:32 upstream b46c89c08f41 9fbd772e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in inet_rtm_newaddr
2025/01/25 12:44 upstream 2c8d2a510c15 9fbd772e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in inet_rtm_newaddr
2025/01/06 07:11 upstream ab75170520d4 f3558dbf .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in inet_rtm_newaddr
2025/01/05 11:16 upstream ab75170520d4 f3558dbf .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in inet_rtm_newaddr
2025/01/05 01:48 upstream ab75170520d4 f3558dbf .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in inet_rtm_newaddr
2024/12/28 04:20 upstream 8379578b11d5 d3ccff63 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in inet_rtm_newaddr
2024/12/22 00:11 upstream e84a3bf7f4aa d7f584ee .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in inet_rtm_newaddr
2024/12/18 06:38 upstream aef25be35d23 a0626d3a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in inet_rtm_newaddr
2024/12/14 07:32 upstream f932fb9b4074 7cbfbb3a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in inet_rtm_newaddr
2024/12/11 15:35 upstream f92f4749861b ff949d25 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: task hung in inet_rtm_newaddr
2024/12/10 19:36 upstream 7cb1b4663150 cfc402b4 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: task hung in inet_rtm_newaddr
2024/12/10 00:39 upstream 7cb1b4663150 9ac0fdc6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in inet_rtm_newaddr
2024/12/02 16:33 upstream e70140ba0d2b bb326ffb .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in inet_rtm_newaddr
2024/11/29 20:30 upstream 509f806f7f70 68914665 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in inet_rtm_newaddr
2024/11/28 00:43 upstream aaf20f870da0 5df23865 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in inet_rtm_newaddr
2025/03/04 15:42 upstream 99fa936e8e4f c3901742 .config console log report syz / log [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root INFO: task hung in inet_rtm_newaddr
2025/03/03 05:51 upstream 1973160c90d7 c3901742 .config console log report syz / log [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root INFO: task hung in inet_rtm_newaddr
2025/02/05 11:42 upstream 5c8c229261f1 5896748e .config console log report syz / log [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root INFO: task hung in inet_rtm_newaddr
2025/02/04 04:13 upstream 0de63bb7d919 8f267cef .config console log report syz / log [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root INFO: task hung in inet_rtm_newaddr
2025/03/22 01:05 net f653b608f783 62330552 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in inet_rtm_newaddr
2025/02/28 21:28 net 00371a3f4877 1e7a43e1 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in inet_rtm_newaddr
2025/02/28 12:24 net 00371a3f4877 1e7a43e1 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in inet_rtm_newaddr
2025/02/19 03:01 net f7b5279b67e7 9a14138f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in inet_rtm_newaddr
2025/02/09 06:48 net 011b03359038 ef44b750 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in inet_rtm_newaddr
2025/02/06 04:46 net 02b71dc11590 577d049b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in inet_rtm_newaddr
2025/02/03 12:38 net 235174b2bed8 a21a8419 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in inet_rtm_newaddr
2025/01/29 13:13 net 9e6c4e6b605c 865ef71e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in inet_rtm_newaddr
2025/01/16 13:57 net cbc16bceea78 968edaf4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in inet_rtm_newaddr
2025/01/01 01:14 net 4f619d518db9 d3ccff63 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in inet_rtm_newaddr
2024/12/22 21:48 net 30b981796b94 b4fbdbd4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in inet_rtm_newaddr
2024/12/16 13:41 net 922b4b955a03 7cbfbb3a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in inet_rtm_newaddr
2024/12/15 13:43 net c296c0bf4518 7cbfbb3a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in inet_rtm_newaddr
2024/12/01 04:32 net 16ed454515a4 68914665 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in inet_rtm_newaddr
2025/07/19 04:56 net-next e7ce59d9205e f550e092 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in inet_rtm_newaddr
2025/03/18 07:35 net-next 702e3fa16cd4 ce3352cd .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in inet_rtm_newaddr
2025/03/01 10:25 net-next 090119a35783 1e7a43e1 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in inet_rtm_newaddr
2024/12/23 05:49 net-next ae418e95dd93 b4fbdbd4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in inet_rtm_newaddr
2024/12/16 23:33 net-next bc6a5efe3dcd f93b2b55 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in inet_rtm_newaddr
2024/11/07 01:53 net-next a84e8c05f583 df3dc63b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in inet_rtm_newaddr
2024/11/06 14:32 net-next a84e8c05f583 3a465482 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in inet_rtm_newaddr
2025/07/09 14:20 linux-next 835244aba90d f4e5e155 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce INFO: task hung in inet_rtm_newaddr
2024/12/10 15:47 linux-next af2ea8ab7a54 cfc402b4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in inet_rtm_newaddr
2024/12/04 16:57 linux-next bcf2acd8f64b b50eb251 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in inet_rtm_newaddr
2024/11/13 04:42 linux-next 929beafbe7ac 62026c85 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in inet_rtm_newaddr
2024/10/30 21:05 linux-next 86e3904dcdc7 66aeb999 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in inet_rtm_newaddr
* Struck through repros no longer work on HEAD.