syzbot


WARNING in xfrm_state_fini

Status: upstream: reported on 2025/08/28 21:47
Reported-by: syzbot+71932961b7503c48bb75@syzkaller.appspotmail.com
First crash: 59d, last: 25d
Similar bugs (9)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream WARNING in xfrm_state_fini (4) net -1 C done 34315 now 14d 2/29 upstream: reported C repro on 2025/10/12 21:35
linux-4.19 WARNING in xfrm_state_fini -1 C done 78 2366d 2391d 1/1 fixed on 2019/11/30 01:15
upstream WARNING in xfrm_state_fini (3) net -1 C done 122008 18d 90d 29/29 fixed on 2025/10/09 01:15
android-414 WARNING in xfrm_state_fini -1 C 2207 2233d 2391d 0/1 public: reported C repro on 2019/04/11 00:00
linux-4.14 WARNING in xfrm_state_fini -1 C done 193 2235d 2389d 1/1 fixed on 2019/12/06 10:33
upstream WARNING in xfrm_state_fini net -1 C 2231 2841d 2897d 4/29 fixed on 2018/01/31 00:24
android-44 WARNING in xfrm_state_fini -1 C 3175 2181d 2390d 0/2 public: reported C repro on 2019/04/12 00:00
android-49 WARNING in xfrm_state_fini -1 C 21956 2154d 2390d 0/3 public: reported C repro on 2019/04/12 00:00
upstream WARNING in xfrm_state_fini (2) net -1 C 37510 2369d 2822d 12/29 fixed on 2019/05/27 12:48

Sample crash report:
bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
bond0 (unregistering): Released all slaves
------------[ cut here ]------------
WARNING: CPU: 1 PID: 12 at net/xfrm/xfrm_state.c:2997 xfrm_state_fini+0x25c/0x2b0 net/xfrm/xfrm_state.c:2997
Modules linked in:
CPU: 1 PID: 12 Comm: kworker/u4:1 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
Workqueue: netns cleanup_net
RIP: 0010:xfrm_state_fini+0x25c/0x2b0 net/xfrm/xfrm_state.c:2997
Code: 5c 41 5d 41 5e 41 5f 5d e9 81 20 00 00 e8 fc b7 66 f8 0f 0b e9 2c fe ff ff e8 f0 b7 66 f8 0f 0b e9 91 fe ff ff e8 e4 b7 66 f8 <0f> 0b 43 80 3c 2c 00 0f 85 fa fe ff ff e9 fd fe ff ff e8 cd b7 66
RSP: 0018:ffffc90000117a98 EFLAGS: 00010293
RAX: ffffffff891edfbc RBX: ffff88802e6e0000 RCX: ffff888019e7da00
RDX: 0000000000000000 RSI: ffffffff8aaabca0 RDI: ffffffff8afc71c0
RBP: 0000000000000080 R08: ffffffff90da650f R09: 1ffffffff21b4ca1
R10: dffffc0000000000 R11: fffffbfff21b4ca2 R12: 1ffff11005cdc274
R13: dffffc0000000000 R14: ffff88802e6e13a0 R15: ffff88801b79e200
FS:  0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000025bf4000 CR4: 00000000003506e0
Call Trace:
 <TASK>
 xfrm_net_exit+0x25/0x60 net/xfrm/xfrm_policy.c:4276
 ops_exit_list net/core/net_namespace.c:173 [inline]
 cleanup_net+0x6f4/0xb90 net/core/net_namespace.c:652
 process_one_work kernel/workqueue.c:2634 [inline]
 process_scheduled_works+0xa45/0x15b0 kernel/workqueue.c:2711
 worker_thread+0xa55/0xfc0 kernel/workqueue.c:2792
 kthread+0x2fa/0x390 kernel/kthread.c:388
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:152
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:293
 </TASK>

Crashes (34):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/10/02 11:31 linux-6.6.y 147338df3487 267f56c6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in xfrm_state_fini
2025/10/02 01:27 linux-6.6.y 147338df3487 267f56c6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in xfrm_state_fini
2025/10/01 22:27 linux-6.6.y 147338df3487 a1859138 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in xfrm_state_fini
2025/10/01 22:24 linux-6.6.y 147338df3487 a1859138 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in xfrm_state_fini
2025/10/01 21:28 linux-6.6.y 147338df3487 a1859138 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in xfrm_state_fini
2025/10/01 21:26 linux-6.6.y 147338df3487 a1859138 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in xfrm_state_fini
2025/10/01 12:15 linux-6.6.y 147338df3487 a1859138 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in xfrm_state_fini
2025/09/30 08:27 linux-6.6.y 147338df3487 86341da6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in xfrm_state_fini
2025/09/29 12:13 linux-6.6.y 147338df3487 86341da6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in xfrm_state_fini
2025/09/28 04:31 linux-6.6.y 147338df3487 001c9061 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in xfrm_state_fini
2025/09/26 23:45 linux-6.6.y 147338df3487 001c9061 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in xfrm_state_fini
2025/09/26 20:20 linux-6.6.y 147338df3487 001c9061 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in xfrm_state_fini
2025/09/25 11:02 linux-6.6.y 147338df3487 0abd0691 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in xfrm_state_fini
2025/09/25 11:01 linux-6.6.y 147338df3487 0abd0691 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in xfrm_state_fini
2025/09/25 11:01 linux-6.6.y 147338df3487 0abd0691 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in xfrm_state_fini
2025/09/23 22:25 linux-6.6.y af1544b5d072 e667a34f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in xfrm_state_fini
2025/09/23 17:18 linux-6.6.y af1544b5d072 e667a34f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in xfrm_state_fini
2025/09/21 22:16 linux-6.6.y af1544b5d072 67c37560 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in xfrm_state_fini
2025/09/19 16:23 linux-6.6.y af1544b5d072 67c37560 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in xfrm_state_fini
2025/09/19 12:34 linux-6.6.y 60a9e718726f 67c37560 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in xfrm_state_fini
2025/09/19 11:26 linux-6.6.y 60a9e718726f 67c37560 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in xfrm_state_fini
2025/09/19 11:24 linux-6.6.y 60a9e718726f 67c37560 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in xfrm_state_fini
2025/09/19 01:56 linux-6.6.y 60a9e718726f e2beed91 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in xfrm_state_fini
2025/09/15 11:28 linux-6.6.y 60a9e718726f e2beed91 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in xfrm_state_fini
2025/09/14 13:12 linux-6.6.y 60a9e718726f e2beed91 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in xfrm_state_fini
2025/09/11 20:06 linux-6.6.y 60a9e718726f e2beed91 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in xfrm_state_fini
2025/09/11 18:41 linux-6.6.y 60a9e718726f fdeaa69b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in xfrm_state_fini
2025/09/09 18:05 linux-6.6.y 355bd0b51d2f d291dd2d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in xfrm_state_fini
2025/09/09 18:05 linux-6.6.y 355bd0b51d2f d291dd2d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in xfrm_state_fini
2025/09/07 00:44 linux-6.6.y 355bd0b51d2f d291dd2d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in xfrm_state_fini
2025/09/04 16:12 linux-6.6.y 355bd0b51d2f d291dd2d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in xfrm_state_fini
2025/09/04 03:23 linux-6.6.y cc1a1c5b404a d291dd2d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in xfrm_state_fini
2025/08/29 18:58 linux-6.6.y cc1a1c5b404a 3e1beec6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in xfrm_state_fini
2025/08/28 21:46 linux-6.6.y cc1a1c5b404a d401b9d7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in xfrm_state_fini
* Struck through repros no longer work on HEAD.