bridge0: port 1(bridge_slave_0) entered disabled state veth1_macvtap: left promiscuous mode veth1_macvtap: left promiscuous mode veth0_vlan: left promiscuous mode ------------[ cut here ]------------ WARNING: CPU: 0 PID: 979 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: 979 Comm: kworker/u8:31 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:ffffc900011afb90 EFLAGS: 00010293 RAX: ffffffff850425e4 RBX: ffff88811ff36a80 RCX: ffff888115ad1300 RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888104ba40b8 RBP: ffffc900011afbb0 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffff52000235f04 R12: dffffc0000000000 R13: dffffc0000000000 R14: ffff888104ba4000 R15: 00000000000000b8 FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f60f6482e9c CR3: 00000000074a8000 CR4: 00000000003526b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 000000000000d046 DR6: 00000000ffff0ff0 DR7: 0000000000000400 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: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 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 979 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: 979 Comm: kworker/u8:31 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:ffffc900011afb90 EFLAGS: 00010293 RAX: ffffffff85042639 RBX: ffff888104ba4800 RCX: ffff888115ad1300 RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888104ba4820 RBP: ffffc900011afbb0 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffff52000235f04 R12: dffffc0000000000 R13: dffffc0000000000 R14: ffff888104ba4000 R15: 0000000000000020 FS: 0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa63e1de4c0 CR3: 000000010b36e000 CR4: 00000000003526b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 000000000000d046 DR6: 00000000ffff0ff0 DR7: 0000000000000400 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: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 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 979 at net/xfrm/xfrm_state.c:3215 xfrm_state_fini+0x2be/0x310 net/xfrm/xfrm_state.c:3215 Modules linked in: CPU: 0 UID: 0 PID: 979 Comm: kworker/u8:31 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:ffffc900011afb70 EFLAGS: 00010293 RAX: ffffffff84e95c9e RBX: ffff88811ff36a80 RCX: ffff888115ad1300 RDX: 0000000000000000 RSI: 0000000000400000 RDI: ffff888115ad1300 RBP: ffffc900011afb98 R08: ffffffff87d350c7 R09: 1ffffffff0fa6a18 R10: dffffc0000000000 R11: fffffbfff0fa6a19 R12: 1ffffffff0fa6768 R13: dffffc0000000000 R14: ffff88811ff37680 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f60f6482e9c CR3: 00000000074a8000 CR4: 00000000003526b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 000000000000d046 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Call Trace: 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 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 979 at net/xfrm/xfrm_state.c:3222 xfrm_state_fini+0x2e2/0x310 net/xfrm/xfrm_state.c:3222 Modules linked in: CPU: 1 UID: 0 PID: 979 Comm: kworker/u8:31 Tainted: G W syzkaller #0 0044b833cf02edb59ee897eae4c42c13324c9de7 Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025