bridge0: port 1(bridge_slave_0) entered disabled state veth1_macvtap: left promiscuous mode veth0_vlan: left promiscuous mode veth1_macvtap: left promiscuous mode veth0_vlan: left promiscuous mode ------------[ cut here ]------------ WARNING: CPU: 0 PID: 713 at net/ipv6/xfrm6_tunnel.c:341 xfrm6_tunnel_net_exit+0xc4/0x140 net/ipv6/xfrm6_tunnel.c:341 Modules linked in: CPU: 0 UID: 0 PID: 713 Comm: kworker/u8:44 Not tainted syzkaller #0 acc68da952bca226458d38dc3e63edaa93e7aca1 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 Workqueue: netns cleanup_net RIP: 0010:xfrm6_tunnel_net_exit+0xc4/0x140 net/ipv6/xfrm6_tunnel.c:341 Code: e8 b1 19 d3 fc 4b 83 3c 3e 00 75 19 e8 35 95 7a fc 49 81 ff f8 07 00 00 74 1b e8 27 95 7a fc 49 83 c7 08 eb c9 e8 1c 95 7a 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:ffffc9000e8afb90 EFLAGS: 00010293 RAX: ffffffff850d2e84 RBX: ffff888104bd11c0 RCX: ffff888113984c00 RDX: 0000000000000000 RSI: 0000000000400000 RDI: ffff888104f0c7e8 RBP: ffffc9000e8afbb0 R08: ffffffff87d48f07 R09: 1ffffffff0fa91e0 R10: dffffc0000000000 R11: fffffbfff0fa91e1 R12: dffffc0000000000 R13: dffffc0000000000 R14: ffff888104f0c000 R15: 00000000000007e8 FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffc37c0df45 CR3: 000000010c33a000 CR4: 00000000003526b0 Call Trace: 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:3261 [inline] process_scheduled_works+0x7d4/0x1020 kernel/workqueue.c:3342 worker_thread+0xc51/0x1370 kernel/workqueue.c:3423 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 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 713 at net/ipv6/xfrm6_tunnel.c:344 xfrm6_tunnel_net_exit+0x119/0x140 net/ipv6/xfrm6_tunnel.c:344 Modules linked in: CPU: 0 UID: 0 PID: 713 Comm: kworker/u8:44 Tainted: G W syzkaller #0 acc68da952bca226458d38dc3e63edaa93e7aca1 Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 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 e0 94 7a fc 49 81 ff f8 07 00 00 74 1b e8 d2 94 7a fc 49 83 c7 08 eb c5 e8 c7 94 7a fc <0f> 0b 49 81 ff f8 07 00 00 75 e5 e8 b7 94 7a fc 5b 41 5c 41 5e 41 RSP: 0018:ffffc9000e8afb90 EFLAGS: 00010293 RAX: ffffffff850d2ed9 RBX: ffff888104f0c800 RCX: ffff888113984c00 RDX: 0000000000000000 RSI: 0000000000400000 RDI: ffff888104f0c808 RBP: ffffc9000e8afbb0 R08: ffffffff87d48f07 R09: 1ffffffff0fa91e0 R10: dffffc0000000000 R11: fffffbfff0fa91e1 R12: dffffc0000000000 R13: dffffc0000000000 R14: ffff888104f0c000 R15: 0000000000000008 FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffc37c0df45 CR3: 000000010c33a000 CR4: 00000000003526b0 Call Trace: 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:3261 [inline] process_scheduled_works+0x7d4/0x1020 kernel/workqueue.c:3342 worker_thread+0xc51/0x1370 kernel/workqueue.c:3423 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 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 713 at net/xfrm/xfrm_state.c:3216 xfrm_state_fini+0x2be/0x310 net/xfrm/xfrm_state.c:3216 Modules linked in: CPU: 0 UID: 0 PID: 713 Comm: kworker/u8:44 Tainted: G W syzkaller #0 acc68da952bca226458d38dc3e63edaa93e7aca1 Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 Workqueue: netns cleanup_net RIP: 0010:xfrm_state_fini+0x2be/0x310 net/xfrm/xfrm_state.c:3216 Code: 3c 20 00 74 08 48 89 df e8 4f e3 ed fc 48 8b 3b e8 67 f2 d8 fc 5b 41 5c 41 5d 41 5e 41 5f 5d e9 c8 dd b7 00 cc e8 c2 5e 95 fc <0f> 0b e9 b0 fd ff ff e8 b6 5e 95 fc 0f 0b e9 18 fe ff ff e8 aa 5e RSP: 0018:ffffc9000e8afb70 EFLAGS: 00010293 RAX: ffffffff84f264de RBX: ffff888104bd11c0 RCX: ffff888113984c00 RDX: 0000000000000000 RSI: 0000000000400000 RDI: ffff888113984c00 RBP: ffffc9000e8afb98 R08: ffffffff87d48f07 R09: 1ffffffff0fa91e0 R10: dffffc0000000000 R11: fffffbfff0fa91e1 R12: 1ffffffff0fa8f30 R13: dffffc0000000000 R14: ffff888104bd1dc0 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffc37c0df45 CR3: 000000010c7c0000 CR4: 00000000003526b0 Call Trace: xfrm_net_exit+0x31/0x80 net/xfrm/xfrm_policy.c:4349 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:3261 [inline] process_scheduled_works+0x7d4/0x1020 kernel/workqueue.c:3342 worker_thread+0xc51/0x1370 kernel/workqueue.c:3423 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 ---[ end trace 0000000000000000 ]---