syzbot

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WARNING: CPU: 1 PID: 6168 at net/ipv6/xfrm6_tunnel.c:341 xfrm6_tunnel_net_exit+0xc4/0x140 net/ipv6/xfrm6_tunnel.c:341
Modules linked in:
CPU: 1 UID: 0 PID: 6168 Comm: kworker/u8:12 Not tainted syzkaller #0 0044b833cf02edb59ee897eae4c42c13324c9de7
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
Workqueue: netns cleanup_net
RIP: 0010:xfrm6_tunnel_net_exit+0xc4/0x140 net/ipv6/xfrm6_tunnel.c:341
Code: e8 11 3e db fc 4b 83 3c 3e 00 75 19 e8 45 77 83 fc 49 81 ff f8 07 00 00 74 1b e8 37 77 83 fc 49 83 c7 08 eb c9 e8 2c 77 83 fc <0f> 0b 49 81 ff f8 07 00 00 75 e5 49 8d 9e 00 08 00 00 45 31 ff 4a
RSP: 0018:ffffc9000f347b90 EFLAGS: 00010293
RAX: ffffffff850425e4 RBX: ffff88812c9f91c0 RCX: ffff888119474c00
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888107abc7e8
RBP: ffffc9000f347bb0 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff52001e68f04 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff888107abc000 R15: 00000000000007e8
FS:  0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb56b9e1198 CR3: 000000012ed06000 CR4: 00000000003526b0
Call Trace:
 <TASK>
 ops_exit_list net/core/net_namespace.c:173 [inline]
 cleanup_net+0x6bd/0xc90 net/core/net_namespace.c:642
 process_one_work kernel/workqueue.c:3238 [inline]
 process_scheduled_works+0x7d4/0x1020 kernel/workqueue.c:3319
 worker_thread+0xc70/0x10b0 kernel/workqueue.c:3400
 kthread+0x2c9/0x370 kernel/kthread.c:389
 ret_from_fork+0x67/0xa0 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 6168 at net/ipv6/xfrm6_tunnel.c:344 xfrm6_tunnel_net_exit+0x119/0x140 net/ipv6/xfrm6_tunnel.c:344
Modules linked in:
CPU: 1 UID: 0 PID: 6168 Comm: kworker/u8:12 Tainted: G        W          syzkaller #0 0044b833cf02edb59ee897eae4c42c13324c9de7
Tainted: [W]=WARN
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
Workqueue: netns cleanup_net
RIP: 0010:xfrm6_tunnel_net_exit+0x119/0x140 net/ipv6/xfrm6_tunnel.c:344
Code: fc 4b 83 bc 3e 00 08 00 00 00 75 19 e8 f0 76 83 fc 49 81 ff f8 07 00 00 74 1b e8 e2 76 83 fc 49 83 c7 08 eb c5 e8 d7 76 83 fc <0f> 0b 49 81 ff f8 07 00 00 75 e5 e8 c7 76 83 fc 5b 41 5c 41 5e 41
RSP: 0018:ffffc9000f347b90 EFLAGS: 00010293
RAX: ffffffff85042639 RBX: ffff888107abc800 RCX: ffff888119474c00
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888107abc808
RBP: ffffc9000f347bb0 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff52001e68f04 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff888107abc000 R15: 0000000000000008
FS:  0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000563fc98b21f0 CR3: 0000000120ab4000 CR4: 00000000003526b0
Call Trace:
 <TASK>
 ops_exit_list net/core/net_namespace.c:173 [inline]
 cleanup_net+0x6bd/0xc90 net/core/net_namespace.c:642
 process_one_work kernel/workqueue.c:3238 [inline]
 process_scheduled_works+0x7d4/0x1020 kernel/workqueue.c:3319
 worker_thread+0xc70/0x10b0 kernel/workqueue.c:3400
 kthread+0x2c9/0x370 kernel/kthread.c:389
 ret_from_fork+0x67/0xa0 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 6168 at net/xfrm/xfrm_state.c:3215 xfrm_state_fini+0x2be/0x310 net/xfrm/xfrm_state.c:3215
Modules linked in:
CPU: 1 UID: 0 PID: 6168 Comm: kworker/u8:12 Tainted: G        W          syzkaller #0 0044b833cf02edb59ee897eae4c42c13324c9de7
Tainted: [W]=WARN
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
Workqueue: netns cleanup_net
RIP: 0010:xfrm_state_fini+0x2be/0x310 net/xfrm/xfrm_state.c:3215
Code: 3c 20 00 74 08 48 89 df e8 4f 07 f6 fc 48 8b 3b e8 e7 45 e1 fc 5b 41 5c 41 5d 41 5e 41 5f 5d e9 88 b3 b7 00 cc e8 72 40 9e fc <0f> 0b e9 b0 fd ff ff e8 66 40 9e fc 0f 0b e9 18 fe ff ff e8 5a 40
RSP: 0018:ffffc9000f347b70 EFLAGS: 00010293
RAX: ffffffff84e95c9e RBX: ffff88812c9f91c0 RCX: ffff888119474c00
RDX: 0000000000000000 RSI: 0000000000c00000 RDI: ffff888119474c00
RBP: ffffc9000f347b98 R08: ffffffff87d350c7 R09: 1ffffffff0fa6a18
R10: dffffc0000000000 R11: fffffbfff0fa6a19 R12: 1ffffffff0fa6768
R13: dffffc0000000000 R14: ffff88812c9f9dc0 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000563fc98b21f0 CR3: 0000000110f78000 CR4: 00000000003526b0
Call Trace:
 <TASK>
 xfrm_net_exit+0x31/0x80 net/xfrm/xfrm_policy.c:4342
 ops_exit_list net/core/net_namespace.c:173 [inline]
 cleanup_net+0x6bd/0xc90 net/core/net_namespace.c:642
 process_one_work kernel/workqueue.c:3238 [inline]
 process_scheduled_works+0x7d4/0x1020 kernel/workqueue.c:3319
 worker_thread+0xc70/0x10b0 kernel/workqueue.c:3400
 kthread+0x2c9/0x370 kernel/kthread.c:389
 ret_from_fork+0x67/0xa0 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
---[ end trace 0000000000000000 ]---
bridge_slave_1: left allmulticast mode
bridge_slave_1: left promiscuous mode
bridge0: port 2(bridge_slave_1) entered disabled state
bridge_slave_0: left allmulticast mode
bridge_slave_0: left promiscuous mode
bridge0: port 1(bridge_slave_0) entered disabled state
bridge_slave_1: left allmulticast mode
bridge_slave_1: left promiscuous mode
bridge0: port 2(bridge_slave_1) entered disabled state
bridge_slave_0: left allmulticast mode
bridge_slave_0: left promiscuous mode
bridge0: port 1(bridge_slave_0) entered disabled state
veth1_macvtap: left promiscuous mode
veth0_vlan: left promiscuous mode
bridge_slave_1: left allmulticast mode
bridge_slave_1: left promiscuous mode
bridge0: port 2(bridge_slave_1) entered disabled state
bridge_slave_0: left allmulticast mode
bridge_slave_0: left promiscuous mode
bridge0: port 1(bridge_slave_0) entered disabled state
bridge_slave_1: left allmulticast mode
bridge_slave_1: left promiscuous mode
bridge0: port 2(bridge_slave_1) entered disabled state
bridge_slave_0: left allmulticast mode
bridge_slave_0: left promiscuous mode
bridge0: port 1(bridge_slave_0) entered disabled state
tipc: Disabling bearer <udp:syz1>
tipc: Left network mode
veth1_macvtap: left promiscuous mode
veth0_vlan: left promiscuous mode
veth1_macvtap: left promiscuous mode
veth0_vlan: left promiscuous mode