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 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 13 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: 13 Comm: kworker/u8:1 Not tainted syzkaller #0 6d6f333215c564de92c741644a4b57c848379815 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 Workqueue: netns cleanup_net RIP: 0010:xfrm6_tunnel_net_exit+0xc4/0x140 net/ipv6/xfrm6_tunnel.c:341 Code: e8 b1 fa d2 fc 4b 83 3c 3e 00 75 19 e8 85 49 79 fc 49 81 ff f8 07 00 00 74 1b e8 77 49 79 fc 49 83 c7 08 eb c9 e8 6c 49 79 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:ffffc900000d7b90 EFLAGS: 00010293 RAX: ffffffff85101c94 RBX: ffff888102ff6a80 RCX: ffff888103650000 RDX: 0000000000000000 RSI: 0000000000400000 RDI: ffff888102bc80b8 RBP: ffffc900000d7bb0 R08: ffffffff885526c7 R09: 1ffffffff10aa4d8 R10: dffffc0000000000 R11: fffffbfff10aa4d9 R12: dffffc0000000000 R13: dffffc0000000000 R14: ffff888102bc8000 R15: 00000000000000b8 FS: 0000000000000000(0000) GS:ffff8881f6d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055557b3fb8a8 CR3: 000000010bb20000 CR4: 00000000003526b0 DR0: 00000000ffff000f DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Call Trace: ops_exit_list net/core/net_namespace.c:173 [inline] cleanup_net+0x6ba/0xc90 net/core/net_namespace.c:642 process_one_work kernel/workqueue.c:3273 [inline] process_scheduled_works+0x7f7/0x1060 kernel/workqueue.c:3354 worker_thread+0xc99/0x13f0 kernel/workqueue.c:3435 kthread+0x2c7/0x360 kernel/kthread.c:389 ret_from_fork+0x64/0xa0 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: 13 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: 13 Comm: kworker/u8:1 Tainted: G W syzkaller #0 6d6f333215c564de92c741644a4b57c848379815 Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 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 30 49 79 fc 49 81 ff f8 07 00 00 74 1b e8 22 49 79 fc 49 83 c7 08 eb c5 e8 17 49 79 fc <0f> 0b 49 81 ff f8 07 00 00 75 e5 e8 07 49 79 fc 5b 41 5c 41 5e 41 RSP: 0018:ffffc900000d7b90 EFLAGS: 00010293 RAX: ffffffff85101ce9 RBX: ffff888102bc8800 RCX: ffff888103650000 RDX: 0000000000000000 RSI: 0000000000400000 RDI: ffff888102bc8808 RBP: ffffc900000d7bb0 R08: ffffffff885526c7 R09: 1ffffffff10aa4d8 R10: dffffc0000000000 R11: fffffbfff10aa4d9 R12: dffffc0000000000 R13: dffffc0000000000 R14: ffff888102bc8000 R15: 0000000000000008 FS: 0000000000000000(0000) GS:ffff8881f6c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffe05d6bff8 CR3: 0000000007caa000 CR4: 00000000003526b0 DR0: 000000000000000c DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Call Trace: ops_exit_list net/core/net_namespace.c:173 [inline] cleanup_net+0x6ba/0xc90 net/core/net_namespace.c:642 process_one_work kernel/workqueue.c:3273 [inline] process_scheduled_works+0x7f7/0x1060 kernel/workqueue.c:3354 worker_thread+0xc99/0x13f0 kernel/workqueue.c:3435 kthread+0x2c7/0x360 kernel/kthread.c:389 ret_from_fork+0x64/0xa0 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: 1 PID: 13 at net/xfrm/xfrm_state.c:3230 xfrm_state_fini+0x2be/0x310 net/xfrm/xfrm_state.c:3230 Modules linked in: CPU: 1 UID: 0 PID: 13 Comm: kworker/u8:1 Tainted: G W syzkaller #0 6d6f333215c564de92c741644a4b57c848379815 Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 Workqueue: netns cleanup_net RIP: 0010:xfrm_state_fini+0x2be/0x310 net/xfrm/xfrm_state.c:3230 Code: 3c 20 00 74 08 48 89 df e8 4f d7 ed fc 48 8b 3b e8 77 c2 d8 fc 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc e8 12 26 94 fc <0f> 0b e9 b0 fd ff ff e8 06 26 94 fc 0f 0b e9 18 fe ff ff e8 fa 25 RSP: 0018:ffffc900000d7b70 EFLAGS: 00010293 RAX: ffffffff84f53fee RBX: ffff888102ff6a80 RCX: ffff888103650000 RDX: 0000000000000000 RSI: 0000000000400000 RDI: ffff888103650000 RBP: ffffc900000d7b98 R08: ffffffff885526c7 R09: 1ffffffff10aa4d8 R10: dffffc0000000000 R11: fffffbfff10aa4d9 R12: 1ffffffff10aa22c R13: dffffc0000000000 R14: ffff888102ff7680 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8881f6d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055557b3fb8a8 CR3: 000000010bb20000 CR4: 00000000003526b0 DR0: 00000000ffff000f DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Call Trace: xfrm_net_exit+0x31/0x80 net/xfrm/xfrm_policy.c:4344 ops_exit_list net/core/net_namespace.c:173 [inline] cleanup_net+0x6ba/0xc90 net/core/net_namespace.c:642 process_one_work kernel/workqueue.c:3273 [inline] process_scheduled_works+0x7f7/0x1060 kernel/workqueue.c:3354 worker_thread+0xc99/0x13f0 kernel/workqueue.c:3435 kthread+0x2c7/0x360 kernel/kthread.c:389 ret_from_fork+0x64/0xa0 arch/x86/kernel/process.c:153 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 ---[ 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 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 veth1_macvtap: left promiscuous mode veth0_vlan: left promiscuous mode veth1_macvtap: left promiscuous mode veth0_vlan: left promiscuous mode