syzbot


WARNING in xfrm_state_fini (4)

Status: upstream: reported syz repro on 2025/10/12 21:35
Subsystems: net
[Documentation on labels]
Reported-by: syzbot+999eb23467f83f9bf9bf@syzkaller.appspotmail.com
First crash: 4d08h, last: now
Discussions (1)
Title Replies (including bot) Last reply
[syzbot] [net?] WARNING in xfrm_state_fini (4) 0 (1) 2025/10/12 21:35
Similar bugs (9)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-6.6 WARNING in xfrm_state_fini -1 34 10d 45d 0/2 upstream: reported on 2025/08/28 21:47
linux-4.19 WARNING in xfrm_state_fini -1 C done 78 2352d 2376d 1/1 fixed on 2019/11/30 01:15
upstream WARNING in xfrm_state_fini (3) net -1 C done 122008 4d08h 76d 29/29 fixed on 2025/10/09 01:15
android-414 WARNING in xfrm_state_fini -1 C 2207 2219d 2377d 0/1 public: reported C repro on 2019/04/11 00:00
linux-4.14 WARNING in xfrm_state_fini -1 C done 193 2221d 2375d 1/1 fixed on 2019/12/06 10:33
upstream WARNING in xfrm_state_fini net -1 C 2231 2827d 2883d 4/29 fixed on 2018/01/31 00:24
android-44 WARNING in xfrm_state_fini -1 C 3175 2167d 2376d 0/2 public: reported C repro on 2019/04/12 00:00
android-49 WARNING in xfrm_state_fini -1 C 21956 2140d 2376d 0/3 public: reported C repro on 2019/04/12 00:00
upstream WARNING in xfrm_state_fini (2) net -1 C 37510 2355d 2807d 12/29 fixed on 2019/05/27 12:48

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 1 PID: 3531 at net/xfrm/xfrm_state.c:3306 xfrm_state_fini+0x26d/0x2f0 net/xfrm/xfrm_state.c:3306
Modules linked in:
CPU: 1 UID: 0 PID: 3531 Comm: kworker/u8:8 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
Workqueue: netns cleanup_net
RIP: 0010:xfrm_state_fini+0x26d/0x2f0 net/xfrm/xfrm_state.c:3306
Code: c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 2b 4d 34 f8 48 8b 3b 5b 41 5c 41 5d 41 5e 41 5f 5d e9 79 3a 14 f8 e8 f4 9c ce f7 90 <0f> 0b 90 e9 fd fd ff ff e8 e6 9c ce f7 90 0f 0b 90 e9 60 fe ff ff
RSP: 0018:ffffc9000bf87878 EFLAGS: 00010293
RAX: ffffffff89f1a6fc RBX: ffff88807cd68000 RCX: ffff88803067bc80
RDX: 0000000000000000 RSI: ffffffff8d9d1510 RDI: ffff88803067bc80
RBP: ffffc9000bf87990 R08: ffffffff8f9e1177 R09: 1ffffffff1f3c22e
R10: dffffc0000000000 R11: fffffbfff1f3c22f R12: ffffffff8f5da8c0
R13: 1ffff920017f0f3c R14: ffff88807cd694c0 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff888125e0c000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055da77a67950 CR3: 0000000021b6e000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 xfrm_net_exit+0x2d/0x70 net/xfrm/xfrm_policy.c:4354
 ops_exit_list net/core/net_namespace.c:199 [inline]
 ops_undo_list+0x49a/0x990 net/core/net_namespace.c:252
 cleanup_net+0x4d8/0x820 net/core/net_namespace.c:695
 process_one_work kernel/workqueue.c:3263 [inline]
 process_scheduled_works+0xae1/0x17b0 kernel/workqueue.c:3346
 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3427
 kthread+0x711/0x8a0 kernel/kthread.c:463
 ret_from_fork+0x4bc/0x870 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>

Crashes (7240):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/10/13 04:41 bpf 3a8660878839 ff1712fe .config console log report syz / log [disk image] [vmlinux] [kernel image] ci-upstream-bpf-kasan-gce WARNING in xfrm_state_fini
2025/10/11 15:00 bpf ffce84bccb4d ff1712fe .config console log report syz / log [disk image] [vmlinux] [kernel image] ci-upstream-bpf-kasan-gce WARNING in xfrm_state_fini
2025/10/13 06:31 upstream 3a8660878839 ff1712fe .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in xfrm_state_fini
2025/10/12 13:55 upstream 67029a49db6c ff1712fe .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in xfrm_state_fini
2025/10/12 09:17 upstream 98906f9d850e ff1712fe .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in xfrm_state_fini
2025/10/12 01:40 upstream 67029a49db6c ff1712fe .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in xfrm_state_fini
2025/10/09 20:28 upstream 18a7e218cfcd 7e2882b3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in xfrm_state_fini
2025/10/12 04:45 upstream 98906f9d850e ff1712fe .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 WARNING in xfrm_state_fini
2025/10/13 09:21 upstream 3a8660878839 ff1712fe .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in xfrm_state_fini
2025/10/13 07:12 upstream 3a8660878839 ff1712fe .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in xfrm_state_fini
2025/10/11 06:32 upstream 917167ed1211 ff1712fe .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in xfrm_state_fini
2025/10/13 09:13 net 0b4b77eff5f8 ff1712fe .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in xfrm_state_fini
2025/10/13 05:43 net 3abc0e55ea1f ff1712fe .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in xfrm_state_fini
2025/10/13 04:42 net 3abc0e55ea1f ff1712fe .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in xfrm_state_fini
2025/10/13 04:05 net 3abc0e55ea1f ff1712fe .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in xfrm_state_fini
2025/10/13 03:44 bpf 3a8660878839 ff1712fe .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-kasan-gce WARNING in xfrm_state_fini
2025/10/13 03:31 net 3abc0e55ea1f ff1712fe .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in xfrm_state_fini
2025/10/13 03:12 net 3abc0e55ea1f ff1712fe .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in xfrm_state_fini
2025/10/13 02:05 net 3abc0e55ea1f ff1712fe .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in xfrm_state_fini
2025/10/13 00:54 bpf 3a8660878839 ff1712fe .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-kasan-gce WARNING in xfrm_state_fini
2025/10/13 00:20 bpf 3a8660878839 ff1712fe .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-kasan-gce WARNING in xfrm_state_fini
2025/10/12 23:48 bpf 3a8660878839 ff1712fe .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-kasan-gce WARNING in xfrm_state_fini
2025/10/12 22:15 net 3abc0e55ea1f ff1712fe .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in xfrm_state_fini
2025/10/12 21:57 bpf 67029a49db6c ff1712fe .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-kasan-gce WARNING in xfrm_state_fini
2025/10/12 20:32 bpf 67029a49db6c ff1712fe .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-kasan-gce WARNING in xfrm_state_fini
2025/10/12 20:14 net 3abc0e55ea1f ff1712fe .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in xfrm_state_fini
2025/10/12 20:00 bpf 67029a49db6c ff1712fe .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-kasan-gce WARNING in xfrm_state_fini
2025/10/13 08:55 bpf-next 39e9d5f63075 ff1712fe .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-next-kasan-gce WARNING in xfrm_state_fini
2025/10/13 08:27 bpf-next 39e9d5f63075 ff1712fe .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-next-kasan-gce WARNING in xfrm_state_fini
2025/10/13 08:07 bpf-next 39e9d5f63075 ff1712fe .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-next-kasan-gce WARNING in xfrm_state_fini
2025/10/13 07:55 bpf-next 39e9d5f63075 ff1712fe .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-next-kasan-gce WARNING in xfrm_state_fini
2025/10/13 07:36 net-next 18a7e218cfcd ff1712fe .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in xfrm_state_fini
2025/10/13 06:55 bpf-next 39e9d5f63075 ff1712fe .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-next-kasan-gce WARNING in xfrm_state_fini
2025/10/13 06:08 bpf-next 39e9d5f63075 ff1712fe .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-next-kasan-gce WARNING in xfrm_state_fini
2025/10/13 05:17 bpf-next 39e9d5f63075 ff1712fe .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-next-kasan-gce WARNING in xfrm_state_fini
2025/10/13 04:57 net-next 18a7e218cfcd ff1712fe .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in xfrm_state_fini
2025/10/13 03:31 net-next 18a7e218cfcd ff1712fe .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in xfrm_state_fini
2025/10/13 02:54 net-next 18a7e218cfcd ff1712fe .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in xfrm_state_fini
2025/10/13 02:40 bpf-next 39e9d5f63075 ff1712fe .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-next-kasan-gce WARNING in xfrm_state_fini
2025/10/13 02:21 bpf-next 39e9d5f63075 ff1712fe .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-next-kasan-gce WARNING in xfrm_state_fini
2025/10/13 01:47 net-next 18a7e218cfcd ff1712fe .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in xfrm_state_fini
2025/10/13 01:33 bpf-next 39e9d5f63075 ff1712fe .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-next-kasan-gce WARNING in xfrm_state_fini
2025/10/13 01:18 net-next 18a7e218cfcd ff1712fe .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in xfrm_state_fini
2025/10/13 00:33 bpf-next 39e9d5f63075 ff1712fe .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-next-kasan-gce WARNING in xfrm_state_fini
2025/10/12 23:58 bpf-next 39e9d5f63075 ff1712fe .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-next-kasan-gce WARNING in xfrm_state_fini
2025/10/12 23:30 bpf-next 39e9d5f63075 ff1712fe .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-next-kasan-gce WARNING in xfrm_state_fini
2025/10/12 23:11 bpf-next 39e9d5f63075 ff1712fe .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-next-kasan-gce WARNING in xfrm_state_fini
2025/10/12 22:55 net-next 18a7e218cfcd ff1712fe .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in xfrm_state_fini
2025/10/12 22:37 bpf-next 39e9d5f63075 ff1712fe .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-next-kasan-gce WARNING in xfrm_state_fini
2025/10/12 21:46 bpf-next 39e9d5f63075 ff1712fe .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-next-kasan-gce WARNING in xfrm_state_fini
2025/10/12 21:26 net-next 18a7e218cfcd ff1712fe .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in xfrm_state_fini
2025/10/12 21:12 net-next 18a7e218cfcd ff1712fe .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in xfrm_state_fini
2025/10/12 20:56 net-next 18a7e218cfcd ff1712fe .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in xfrm_state_fini
2025/10/12 20:42 bpf-next 39e9d5f63075 ff1712fe .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-next-kasan-gce WARNING in xfrm_state_fini
2025/10/13 09:39 linux-next 2b763d465239 ff1712fe .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in xfrm_state_fini
2025/10/13 04:20 linux-next 2b763d465239 ff1712fe .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce WARNING in xfrm_state_fini
2025/10/12 08:38 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci bf45a62baffc ff1712fe .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in xfrm_state_fini
* Struck through repros no longer work on HEAD.