veth1_macvtap: left promiscuous mode veth0_vlan: left promiscuous mode veth1_macvtap: left promiscuous mode veth0_vlan: left promiscuous mode ------------[ cut here ]------------ WARNING: CPU: 1 PID: 477 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: 477 Comm: kworker/u8:48 Not tainted syzkaller #0 c7f5503d26b438f3979f72c504038c741c73a5b1 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 Workqueue: netns cleanup_net RIP: 0010:xfrm6_tunnel_net_exit+0xc4/0x140 net/ipv6/xfrm6_tunnel.c:341 Code: e8 e1 03 d7 fc 4b 83 3c 3e 00 75 19 e8 75 50 7e fc 49 81 ff f8 07 00 00 74 1b e8 67 50 7e fc 49 83 c7 08 eb c9 e8 5c 50 7e 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:ffffc9000080fb90 EFLAGS: 00010293 RAX: ffffffff85092154 RBX: ffff888127a98000 RCX: ffff888135b7df00 RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888103b60000 RBP: ffffc9000080fbb0 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffff52000101f04 R12: dffffc0000000000 R13: dffffc0000000000 R14: ffff888103b60000 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd55a1f84c0 CR3: 000000010b34c000 CR4: 00000000003526b0 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+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: 477 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: 477 Comm: kworker/u8:48 Tainted: G W syzkaller #0 c7f5503d26b438f3979f72c504038c741c73a5b1 Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 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 20 50 7e fc 49 81 ff f8 07 00 00 74 1b e8 12 50 7e fc 49 83 c7 08 eb c5 e8 07 50 7e fc <0f> 0b 49 81 ff f8 07 00 00 75 e5 e8 f7 4f 7e fc 5b 41 5c 41 5e 41 RSP: 0018:ffffc9000080fb90 EFLAGS: 00010293 RAX: ffffffff850921a9 RBX: ffff888103b60800 RCX: ffff888135b7df00 RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888103b60808 RBP: ffffc9000080fbb0 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffff52000101f04 R12: dffffc0000000000 R13: dffffc0000000000 R14: ffff888103b60000 R15: 0000000000000008 FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055e90a6d55a0 CR3: 00000000074aa000 CR4: 00000000003526b0 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+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: 477 at net/xfrm/xfrm_state.c:3217 xfrm_state_fini+0x2be/0x310 net/xfrm/xfrm_state.c:3217 Modules linked in: CPU: 1 UID: 0 PID: 477 Comm: kworker/u8:48 Tainted: G W syzkaller #0 c7f5503d26b438f3979f72c504038c741c73a5b1 Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 Workqueue: netns cleanup_net RIP: 0010:xfrm_state_fini+0x2be/0x310 net/xfrm/xfrm_state.c:3217 Code: 3c 20 00 74 08 48 89 df e8 cf c3 f1 fc 48 8b 3b e8 e7 b4 dc fc 5b 41 5c 41 5d 41 5e 41 5f 5d e9 88 7d b7 00 cc e8 52 10 99 fc <0f> 0b e9 b0 fd ff ff e8 46 10 99 fc 0f 0b e9 18 fe ff ff e8 3a 10 RSP: 0018:ffffc9000080fb70 EFLAGS: 00010293 RAX: ffffffff84ee615e RBX: ffff888127a98000 RCX: ffff888135b7df00 RDX: 0000000000000000 RSI: 0000000000c00000 RDI: ffff888135b7df00 RBP: ffffc9000080fb98 R08: ffffffff87d41aa7 R09: 1ffffffff0fa8354 R10: dffffc0000000000 R11: fffffbfff0fa8355 R12: 1ffffffff0fa80a8 R13: dffffc0000000000 R14: ffff888127a98c00 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd55a1f84c0 CR3: 000000010b34c000 CR4: 00000000003526b0 Call Trace: xfrm_net_exit+0x31/0x80 net/xfrm/xfrm_policy.c:4353 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+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: 477 at net/xfrm/xfrm_state.c:3224 xfrm_state_fini+0x2e2/0x310 net/xfrm/xfrm_state.c:3224 Modules linked in: CPU: 0 UID: 0 PID: 477 Comm: kworker/u8:48 Tainted: G W syzkaller #0 c7f5503d26b438f3979f72c504038c741c73a5b1 Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 Workqueue: netns cleanup_net RIP: 0010:xfrm_state_fini+0x2e2/0x310 net/xfrm/xfrm_state.c:3224 Code: cc e8 52 10 99 fc 0f 0b e9 b0 fd ff ff e8 46 10 99 fc 0f 0b e9 18 fe ff ff e8 3a 10 99 fc 0f 0b e9 8c fe ff ff e8 2e 10 99 fc <0f> 0b e9 f9 fe ff ff e8 22 10 99 fc 0f 0b e9 66 ff ff ff 89 f9 80 RSP: 0018:ffffc9000080fb70 EFLAGS: 00010293 RAX: ffffffff84ee6182 RBX: ffff888127a98000 RCX: ffff888135b7df00 RDX: 0000000000000000 RSI: ffff88810b2fd980 RDI: ffff8881000418c0 RBP: ffffc9000080fb98 R08: 00000000b5f7303a R09: 0000000001381d5a R10: 000000000000000d R11: ffffffff81759ce0 R12: ffff88810b2fde00 R13: 1ffff11024f53183 R14: 0000000000000040 R15: ffff888127a98c18 FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055e90a6d55a0 CR3: 00000000074aa000 CR4: 00000000003526b0 Call Trace: xfrm_net_exit+0x31/0x80 net/xfrm/xfrm_policy.c:4353 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+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: 477 at net/xfrm/xfrm_state.c:3226 xfrm_state_fini+0x2ee/0x310 net/xfrm/xfrm_state.c:3226 Modules linked in: CPU: 0 UID: 0 PID: 477 Comm: kworker/u8:48 Tainted: G W syzkaller #0 c7f5503d26b438f3979f72c504038c741c73a5b1 Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 Workqueue: netns cleanup_net RIP: 0010:xfrm_state_fini+0x2ee/0x310 net/xfrm/xfrm_state.c:3226 Code: ff e8 46 10 99 fc 0f 0b e9 18 fe ff ff e8 3a 10 99 fc 0f 0b e9 8c fe ff ff e8 2e 10 99 fc 0f 0b e9 f9 fe ff ff e8 22 10 99 fc <0f> 0b e9 66 ff ff ff 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 8e fd ff RSP: 0018:ffffc9000080fb70 EFLAGS: 00010293 RAX: ffffffff84ee618e RBX: ffff888127a98000 RCX: ffff888135b7df00 RDX: 0000000000000000 RSI: ffff88810b2fde00 RDI: ffff8881000418c0 RBP: ffffc9000080fb98 R08: 000000009f19728c R09: 000000008c12439c R10: 000000000000000d R11: ffffffff81759ce0 R12: ffff88810b2fdb00 R13: 1ffff11024f53182 R14: 0000000000000040 R15: ffff888127a98c10 FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055e90a6d55a0 CR3: 00000000074aa000 CR4: 00000000003526b0 Call Trace: xfrm_net_exit+0x31/0x80 net/xfrm/xfrm_policy.c:4353 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+0x67/0xa0 arch/x86/kernel/process.c:153 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 ---[ end trace 0000000000000000 ]---