syzbot


net-next test error: WARNING in __napi_schedule

Status: fixed on 2023/02/24 13:50
Subsystems: wireguard
[Documentation on labels]
Reported-by: syzbot+fb57d2a7c4678481a495@syzkaller.appspotmail.com
Fix commit: 351bdbb6419c net: Revert the softirq will run annotation in ____napi_schedule().
First crash: 1001d, last: 994d
Discussions (1)
Title Replies (including bot) Last reply
[syzbot] net-next test error: WARNING in __napi_schedule 1 (2) 2022/03/21 19:08

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 0 PID: 3617 at net/core/dev.c:4280 ____napi_schedule net/core/dev.c:4280 [inline]
WARNING: CPU: 0 PID: 3617 at net/core/dev.c:4280 __napi_schedule+0xe2/0x440 net/core/dev.c:5890
Modules linked in:
CPU: 0 PID: 3617 Comm: kworker/0:3 Not tainted 5.17.0-rc8-syzkaller-02627-gca4f3f187b08 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: wg-crypt-wg0 wg_packet_decrypt_worker
RIP: 0010:____napi_schedule net/core/dev.c:4280 [inline]
RIP: 0010:__napi_schedule+0xe2/0x440 net/core/dev.c:5890
Code: 74 4a e8 f1 13 47 fa 31 ff 65 44 8b 25 07 c3 d0 78 41 81 e4 00 ff 0f 00 44 89 e6 e8 58 17 47 fa 45 85 e4 75 07 e8 ce 13 47 fa <0f> 0b e8 c7 13 47 fa 65 44 8b 25 1f cd d0 78 31 ff 44 89 e6 e8 35
RSP: 0018:ffffc9000401fc88 EFLAGS: 00010093
RAX: 0000000000000000 RBX: ffff88806f4b0748 RCX: 0000000000000000
RDX: ffff888020311d00 RSI: ffffffff8731acd2 RDI: 0000000000000003
RBP: 0000000000000200 R08: 0000000000000000 R09: 0000000000000001
R10: ffffffff8731acc8 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8880b9c00000 R14: 000000000003adc0 R15: ffff88801982cec0
FS:  0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f048a9cb300 CR3: 000000006fffb000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 napi_schedule include/linux/netdevice.h:465 [inline]
 wg_queue_enqueue_per_peer_rx drivers/net/wireguard/queueing.h:204 [inline]
 wg_packet_decrypt_worker+0x408/0x5d0 drivers/net/wireguard/receive.c:510
 process_one_work+0x9ac/0x1650 kernel/workqueue.c:2307
 worker_thread+0x657/0x1110 kernel/workqueue.c:2454
 kthread+0x2e9/0x3a0 kernel/kthread.c:377
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
 </TASK>

Crashes (110):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2022/03/21 17:06 net-next-old ca4f3f187b08 e2d91b1d .config console log report ci-upstream-net-kasan-gce net-next test error: WARNING in __napi_schedule
2022/03/21 13:36 net-next-old a62551c988d2 e2d91b1d .config console log report ci-upstream-net-kasan-gce net-next test error: WARNING in __napi_schedule
2022/03/21 11:16 net-next-old e6980b572fb7 e2d91b1d .config console log report ci-upstream-net-kasan-gce net-next test error: WARNING in __napi_schedule
2022/03/21 11:16 net-next-old e6980b572fb7 e2d91b1d .config console log report ci-upstream-net-kasan-gce net-next test error: WARNING in __napi_schedule
2022/03/19 15:16 net-next-old 092d992b76ed e2d91b1d .config console log report ci-upstream-net-kasan-gce net-next test error: WARNING in __napi_schedule
2022/03/19 05:08 net-next-old d5f497b88979 e2d91b1d .config console log report ci-upstream-net-kasan-gce net-next test error: WARNING in __napi_schedule
2022/03/19 00:47 net-next-old 53fb430e2070 e2d91b1d .config console log report ci-upstream-net-kasan-gce net-next test error: WARNING in __napi_schedule
2022/03/18 23:38 net-next-old 046e1537a3cf e2d91b1d .config console log report ci-upstream-net-kasan-gce net-next test error: WARNING in __napi_schedule
2022/03/18 18:14 net-next-old e89600ebeeb1 e2d91b1d .config console log report ci-upstream-net-kasan-gce net-next test error: WARNING in __napi_schedule
2022/03/18 14:05 net-next-old e913c09dbe3b e2d91b1d .config console log report ci-upstream-net-kasan-gce net-next test error: WARNING in __napi_schedule
2022/03/18 13:29 net-next-old 5edce151386e e2d91b1d .config console log report ci-upstream-net-kasan-gce net-next test error: WARNING in __napi_schedule
2022/03/18 03:38 net-next-old fad6c1f1a109 e2d91b1d .config console log report ci-upstream-net-kasan-gce net-next test error: WARNING in __napi_schedule
2022/03/17 22:46 net-next-old e243f39685af e2d91b1d .config console log report ci-upstream-net-kasan-gce net-next test error: WARNING in __napi_schedule
2022/03/17 16:04 net-next-old 1abea24af42c e2d91b1d .config console log report ci-upstream-net-kasan-gce net-next test error: WARNING in __napi_schedule
2022/03/17 15:02 net-next-old 1abea24af42c dfa9a8ed .config console log report ci-upstream-net-kasan-gce net-next test error: WARNING in __napi_schedule
2022/03/17 13:44 net-next-old 435fe1c0c1f7 dfa9a8ed .config console log report ci-upstream-net-kasan-gce net-next test error: WARNING in __napi_schedule
2022/03/17 10:12 net-next-old 05fc65f3f5e4 dfa9a8ed .config console log report ci-upstream-net-kasan-gce net-next test error: WARNING in __napi_schedule
2022/03/17 06:57 net-next-old a860352e9dd0 dfa9a8ed .config console log report ci-upstream-net-kasan-gce net-next test error: WARNING in __napi_schedule
2022/03/17 02:42 net-next-old 571703ff387c dfa9a8ed .config console log report ci-upstream-net-kasan-gce net-next test error: WARNING in __napi_schedule
2022/03/17 02:42 net-next-old 571703ff387c dfa9a8ed .config console log report ci-upstream-net-kasan-gce net-next test error: WARNING in __napi_schedule
2022/03/17 02:23 net-next-old a0bfd73deba1 dfa9a8ed .config console log report ci-upstream-net-kasan-gce net-next test error: WARNING in __napi_schedule
2022/03/17 02:23 net-next-old a0bfd73deba1 dfa9a8ed .config console log report ci-upstream-net-kasan-gce net-next test error: WARNING in __napi_schedule
2022/03/17 02:23 net-next-old a0bfd73deba1 dfa9a8ed .config console log report ci-upstream-net-kasan-gce net-next test error: WARNING in __napi_schedule
2022/03/16 20:32 net-next-old b1351527f1ee dfa9a8ed .config console log report ci-upstream-net-kasan-gce net-next test error: WARNING in __napi_schedule
2022/03/16 20:32 net-next-old b1351527f1ee dfa9a8ed .config console log report ci-upstream-net-kasan-gce net-next test error: WARNING in __napi_schedule
2022/03/16 20:32 net-next-old b1351527f1ee dfa9a8ed .config console log report ci-upstream-net-kasan-gce net-next test error: WARNING in __napi_schedule
2022/03/16 16:10 net-next-old 49045b9c810c dfa9a8ed .config console log report ci-upstream-net-kasan-gce net-next test error: WARNING in __napi_schedule
2022/03/16 16:10 net-next-old 49045b9c810c dfa9a8ed .config console log report ci-upstream-net-kasan-gce net-next test error: WARNING in __napi_schedule
2022/03/16 16:10 net-next-old 49045b9c810c dfa9a8ed .config console log report ci-upstream-net-kasan-gce net-next test error: WARNING in __napi_schedule
2022/03/16 15:39 net-next-old 49045b9c810c 9e8eaa75 .config console log report ci-upstream-net-kasan-gce net-next test error: WARNING in __napi_schedule
2022/03/16 15:39 net-next-old 49045b9c810c 9e8eaa75 .config console log report ci-upstream-net-kasan-gce net-next test error: WARNING in __napi_schedule
2022/03/16 15:39 net-next-old 49045b9c810c 9e8eaa75 .config console log report ci-upstream-net-kasan-gce net-next test error: WARNING in __napi_schedule
2022/03/16 10:30 net-next-old 79b0410841d4 9e8eaa75 .config console log report ci-upstream-net-kasan-gce net-next test error: WARNING in __napi_schedule
2022/03/16 10:30 net-next-old 79b0410841d4 9e8eaa75 .config console log report ci-upstream-net-kasan-gce net-next test error: WARNING in __napi_schedule
2022/03/16 10:30 net-next-old 79b0410841d4 9e8eaa75 .config console log report ci-upstream-net-kasan-gce net-next test error: WARNING in __napi_schedule
2022/03/16 05:10 net-next-old 9f01cfbf2922 9e8eaa75 .config console log report ci-upstream-net-kasan-gce net-next test error: WARNING in __napi_schedule
2022/03/16 05:10 net-next-old 9f01cfbf2922 9e8eaa75 .config console log report ci-upstream-net-kasan-gce net-next test error: WARNING in __napi_schedule
2022/03/16 05:10 net-next-old 9f01cfbf2922 9e8eaa75 .config console log report ci-upstream-net-kasan-gce net-next test error: WARNING in __napi_schedule
2022/03/15 20:47 net-next-old c84d86a0295c 9e8eaa75 .config console log report ci-upstream-net-kasan-gce net-next test error: WARNING in __napi_schedule
2022/03/15 20:47 net-next-old c84d86a0295c 9e8eaa75 .config console log report ci-upstream-net-kasan-gce net-next test error: WARNING in __napi_schedule
2022/03/15 20:47 net-next-old c84d86a0295c 9e8eaa75 .config console log report ci-upstream-net-kasan-gce net-next test error: WARNING in __napi_schedule
2022/03/15 20:19 net-next-old 72f56fdb97b2 9e8eaa75 .config console log report ci-upstream-net-kasan-gce net-next test error: WARNING in __napi_schedule
2022/03/15 20:19 net-next-old 72f56fdb97b2 9e8eaa75 .config console log report ci-upstream-net-kasan-gce net-next test error: WARNING in __napi_schedule
2022/03/15 20:19 net-next-old 72f56fdb97b2 9e8eaa75 .config console log report ci-upstream-net-kasan-gce net-next test error: WARNING in __napi_schedule
2022/03/15 15:40 net-next-old c24f657791fd 9e8eaa75 .config console log report ci-upstream-net-kasan-gce net-next test error: WARNING in __napi_schedule
2022/03/14 23:30 net-next-old bdd6a89de44b 9e8eaa75 .config console log report ci-upstream-net-kasan-gce net-next test error: WARNING in __napi_schedule
* Struck through repros no longer work on HEAD.