syzbot


WARNING in xfrm_policy_fini (2)

Status: auto-obsoleted due to no activity on 2023/08/06 00:20
Subsystems: net
[Documentation on labels]
Reported-by: syzbot+b3346cca0c23c839e787@syzkaller.appspotmail.com
First crash: 413d, last: 413d
Discussions (1)
Title Replies (including bot) Last reply
[syzbot] [net?] WARNING in xfrm_policy_fini (2) 1 (2) 2023/05/04 10:28
Similar bugs (5)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 WARNING in xfrm_policy_fini 1 824d 824d 0/1 auto-closed as invalid on 2022/06/20 17:42
android-44 WARNING in xfrm_policy_fini 7 2036d 1868d 0/2 auto-closed as invalid on 2019/04/28 08:52
android-414 WARNING in xfrm_policy_fini 16 1854d 1869d 0/1 auto-closed as invalid on 2019/10/25 08:43
android-49 WARNING in xfrm_policy_fini 103 1634d 1868d 0/3 auto-closed as invalid on 2020/04/01 16:47
upstream WARNING in xfrm_policy_fini net syz error error 1126 839d 2105d 0/26 auto-obsoleted due to no activity on 2022/10/06 23:39

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 0 PID: 41 at net/xfrm/xfrm_policy.c:4176 xfrm_policy_fini+0x2f2/0x3c0 net/xfrm/xfrm_policy.c:4176
Modules linked in:
CPU: 0 PID: 41 Comm: kworker/u4:2 Not tainted 6.3.0-rc5-syzkaller-01242-ge28531143b25 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/30/2023
Workqueue: netns cleanup_net
RIP: 0010:xfrm_policy_fini+0x2f2/0x3c0 net/xfrm/xfrm_policy.c:4176
Code: cd f8 0f 0b 8b 74 24 04 e9 56 fe ff ff e8 a6 a1 cd f8 0f 0b e9 e1 fd ff ff e8 9a a1 cd f8 0f 0b e9 02 ff ff ff e8 8e a1 cd f8 <0f> 0b e9 76 fd ff ff e8 d2 ea 1e f9 e9 8d fe ff ff 48 89 ef e8 e5
RSP: 0018:ffffc90000b27bd8 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff88807945b980 RCX: 0000000000000000
RDX: ffff8880177b57c0 RSI: ffffffff88b53632 RDI: 0000000000000000
RBP: ffff88807945cd00 R08: 0000000000000001 R09: ffffffff914e0b8f
R10: 0000000000000001 R11: 0000000000000000 R12: ffffffff8e28cb40
R13: ffffc90000b27ca0 R14: dffffc0000000000 R15: fffffbfff1c5196c
FS:  0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f60f8cb7378 CR3: 000000000c571000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 xfrm_net_exit+0x1d/0x60 net/xfrm/xfrm_policy.c:4240
 ops_exit_list+0xb0/0x170 net/core/net_namespace.c:169
 cleanup_net+0x4ee/0xb10 net/core/net_namespace.c:613
 process_one_work+0x991/0x15c0 kernel/workqueue.c:2390
 worker_thread+0x669/0x1090 kernel/workqueue.c:2537
 kthread+0x2e8/0x3a0 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
 </TASK>

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/04/08 00:20 net-next e28531143b25 f7ba566d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in xfrm_policy_fini
* Struck through repros no longer work on HEAD.