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WARNING in devlink_port_type_warn

Status: fixed on 2020/02/18 14:31
Subsystems: net
[Documentation on labels]
Reported-by: syzbot+b0a18ed7b08b735d2f41@syzkaller.appspotmail.com
Fix commit: 4c582234ab39 devlink: Wait longer before warning about unset port type
First crash: 1844d, last: 1772d
▶ ▼ Discussions (3)
Title Replies (including bot) Last reply
[PATCH 5.4 000/222] 5.4.14-stable review 238 (238) 2020/01/26 16:57
[PATCH net] devlink: Wait longer before warning about unset port type 2 (2) 2020/01/11 00:46
WARNING in devlink_port_type_warn 0 (1) 2019/11/08 08:58

Sample crash report:
------------[ cut here ]------------
Type was not set for devlink port.
WARNING: CPU: 1 PID: 14059 at net/core/devlink.c:6399 devlink_port_type_warn+0x15/0x20 net/core/devlink.c:6399
Kernel panic - not syncing: panic_on_warn set ...
CPU: 1 PID: 14059 Comm: kworker/1:0 Not tainted 5.5.0-rc6-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events devlink_port_type_warn
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x197/0x210 lib/dump_stack.c:118
 panic+0x2e3/0x75c kernel/panic.c:221
 __warn.cold+0x2f/0x3e kernel/panic.c:582
 report_bug+0x289/0x300 lib/bug.c:195
 fixup_bug arch/x86/kernel/traps.c:174 [inline]
 fixup_bug arch/x86/kernel/traps.c:169 [inline]
 do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:267
 do_invalid_op+0x37/0x50 arch/x86/kernel/traps.c:286
 invalid_op+0x23/0x30 arch/x86/entry/entry_64.S:1027
RIP: 0010:devlink_port_type_warn+0x15/0x20 net/core/devlink.c:6399
Code: 89 df e8 de ec 7d fb e9 d3 fe ff ff 66 0f 1f 84 00 00 00 00 00 55 48 89 e5 e8 57 2d 40 fb 48 c7 c7 60 5b d8 88 e8 ea dc 10 fb <0f> 0b 5d c3 0f 1f 80 00 00 00 00 55 48 89 e5 41 55 49 89 f5 41 54
RSP: 0018:ffffc90001df7d30 EFLAGS: 00010282
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff815e5396 RDI: fffff520003bef98
RBP: ffffc90001df7d30 R08: ffff888050b16380 R09: fffffbfff165e7d5
R10: fffffbfff165e7d4 R11: ffffffff8b2f3ea7 R12: ffff8880a73da0c0
R13: 0000000000000080 R14: ffff8880a91de300 R15: ffff8880ae936b40
 process_one_work+0x9af/0x1740 kernel/workqueue.c:2264
 worker_thread+0x98/0xe40 kernel/workqueue.c:2410
 kthread+0x361/0x430 kernel/kthread.c:255
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352
Kernel Offset: disabled
Rebooting in 86400 seconds..

Crashes (2340):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2020/01/18 21:45 upstream 25e73aadf297 3de7aabb .config console log report ci-upstream-kasan-gce-selinux-root
2020/01/18 20:25 upstream 25e73aadf297 3de7aabb .config console log report ci-qemu-upstream
2020/01/18 10:45 upstream 25e73aadf297 3de7aabb .config console log report ci-qemu-upstream
2020/01/18 07:27 upstream 25e73aadf297 3de7aabb .config console log report ci-qemu-upstream
2020/01/18 06:09 upstream 25e73aadf297 3de7aabb .config console log report ci-qemu-upstream
2020/01/18 03:02 upstream 575966e08027 3de7aabb .config console log report ci-qemu-upstream
2020/01/17 12:24 upstream f4353c3e2aaf 3de7aabb .config console log report ci-qemu-upstream
2020/01/17 11:13 upstream f4353c3e2aaf 3de7aabb .config console log report ci-qemu-upstream
2020/01/17 10:14 upstream f4353c3e2aaf 3de7aabb .config console log report ci-qemu-upstream
2020/01/17 09:02 upstream f4353c3e2aaf 3de7aabb .config console log report ci-qemu-upstream
2020/01/17 06:12 upstream f4353c3e2aaf 3de7aabb .config console log report ci-qemu-upstream
2020/01/17 05:04 upstream f4353c3e2aaf 3de7aabb .config console log report ci-qemu-upstream
2020/01/17 04:56 upstream f4353c3e2aaf 3de7aabb .config console log report ci-qemu-upstream
2020/01/17 03:38 upstream f4353c3e2aaf 3de7aabb .config console log report ci-qemu-upstream
2020/01/17 01:56 upstream f4353c3e2aaf 3de7aabb .config console log report ci-qemu-upstream
2020/01/16 23:13 upstream f5ae2ea6347a 3de7aabb .config console log report ci-qemu-upstream
2020/01/16 22:05 upstream f5ae2ea6347a 3de7aabb .config console log report ci-qemu-upstream
2020/01/16 15:17 upstream f5ae2ea6347a 3de7aabb .config console log report ci-qemu-upstream
2020/01/16 14:00 upstream f5ae2ea6347a 3de7aabb .config console log report ci-qemu-upstream
2020/01/16 12:31 upstream f5ae2ea6347a 3de7aabb .config console log report ci-qemu-upstream
2020/01/16 11:26 upstream f5ae2ea6347a f9b69507 .config console log report ci-qemu-upstream
2020/01/16 10:01 upstream f5ae2ea6347a f9b69507 .config console log report ci-qemu-upstream
2020/01/16 07:46 upstream 51d69817519f f9b69507 .config console log report ci-qemu-upstream
2020/01/16 04:23 upstream 51d69817519f f9b69507 .config console log report ci-qemu-upstream
2020/01/16 03:12 upstream 51d69817519f f9b69507 .config console log report ci-qemu-upstream
2020/01/16 01:48 upstream 51d69817519f f9b69507 .config console log report ci-qemu-upstream
2020/01/15 22:09 upstream 51d69817519f f9b69507 .config console log report ci-qemu-upstream
2020/01/13 05:27 upstream 040a3c33623b 53faa9fe .config console log report ci-qemu-upstream
2020/01/12 22:39 upstream 040a3c33623b 53faa9fe .config console log report ci-qemu-upstream
2020/01/12 08:49 upstream 6327edceb62b 4c04afaa .config console log report ci-qemu-upstream
2020/01/12 02:22 upstream 6327edceb62b 4c04afaa .config console log report ci-qemu-upstream
2020/01/12 02:00 upstream 6327edceb62b 4c04afaa .config console log report ci-qemu-upstream
2020/01/11 21:39 upstream ac61145a725a 4c04afaa .config console log report ci-qemu-upstream
2020/01/11 20:16 upstream ac61145a725a 4c04afaa .config console log report ci-qemu-upstream
2020/01/11 18:26 upstream ac61145a725a 4c04afaa .config console log report ci-qemu-upstream
2020/01/07 02:29 upstream ec7b3f5372e2 53430d97 .config console log report ci-upstream-kasan-gce-selinux-root
2019/12/04 09:32 upstream 63de37476ebd 0ecb9746 .config console log report ci-upstream-kasan-gce-smack-root
2020/01/18 01:08 upstream 575966e08027 3de7aabb .config console log report ci-qemu-upstream-386
2020/01/17 13:36 upstream f4353c3e2aaf 3de7aabb .config console log report ci-qemu-upstream-386
2020/01/17 07:41 upstream f4353c3e2aaf 3de7aabb .config console log report ci-qemu-upstream-386
2020/01/16 21:04 upstream f5ae2ea6347a 3de7aabb .config console log report ci-qemu-upstream-386
2020/01/16 19:53 upstream f5ae2ea6347a 3de7aabb .config console log report ci-qemu-upstream-386
2020/01/16 18:51 upstream f5ae2ea6347a 3de7aabb .config console log report ci-qemu-upstream-386
2020/01/16 17:32 upstream f5ae2ea6347a 3de7aabb .config console log report ci-qemu-upstream-386
2020/01/16 16:24 upstream f5ae2ea6347a 3de7aabb .config console log report ci-qemu-upstream-386
2020/01/16 08:10 upstream 51d69817519f f9b69507 .config console log report ci-qemu-upstream-386
2020/01/16 06:31 upstream 51d69817519f f9b69507 .config console log report ci-qemu-upstream-386
2020/01/16 05:30 upstream 51d69817519f f9b69507 .config console log report ci-qemu-upstream-386
2020/01/16 01:15 upstream 51d69817519f f9b69507 .config console log report ci-qemu-upstream-386
2020/01/15 23:56 upstream 51d69817519f f9b69507 .config console log report ci-qemu-upstream-386
2020/01/12 04:13 upstream 6327edceb62b 4c04afaa .config console log report ci-qemu-upstream-386
2020/01/12 00:53 upstream 6327edceb62b 4c04afaa .config console log report ci-qemu-upstream-386
2020/01/11 23:28 upstream ac61145a725a 4c04afaa .config console log report ci-qemu-upstream-386
2020/01/19 00:46 net-next-old 9aaa29494030 bc8bc756 .config console log report ci-upstream-net-kasan-gce
2019/11/27 13:48 linux-next 1875ff320f14 5a38f3f0 .config console log report ci-upstream-linux-next-kasan-gce-root
2019/11/07 18:44 linux-next c68c5373c504 f39aff9e .config console log report ci-upstream-linux-next-kasan-gce-root
* Struck through repros no longer work on HEAD.