------------[ 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 f1e96da778e106ed2ad9fef94b5d954a2cba2451 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 91 17 d3 fc 4b 83 3c 3e 00 75 19 e8 65 a6 7a fc 49 81 ff f8 07 00 00 74 1b e8 57 a6 7a fc 49 83 c7 08 eb c9 e8 4c a6 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:ffffc900000d7b90 EFLAGS: 00010293 RAX: ffffffff850d1654 RBX: ffff888123a26a80 RCX: ffff888103655f00 RDX: 0000000000000000 RSI: 0000000000400000 RDI: ffff88810cf58598 RBP: ffffc900000d7bb0 R08: ffffffff87d48ec7 R09: 1ffffffff0fa91d8 R10: dffffc0000000000 R11: fffffbfff0fa91d9 R12: dffffc0000000000 R13: dffffc0000000000 R14: ffff88810cf58000 R15: 0000000000000598 FS: 0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055a3414d9a58 CR3: 000000011469c000 CR4: 00000000003526b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: ops_exit_list net/core/net_namespace.c:173 [inline] cleanup_net+0x6c0/0xc90 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: 1 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: 1 UID: 0 PID: 13 Comm: kworker/u8:1 Tainted: G W syzkaller #0 f1e96da778e106ed2ad9fef94b5d954a2cba2451 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 10 a6 7a fc 49 81 ff f8 07 00 00 74 1b e8 02 a6 7a fc 49 83 c7 08 eb c5 e8 f7 a5 7a fc <0f> 0b 49 81 ff f8 07 00 00 75 e5 e8 e7 a5 7a fc 5b 41 5c 41 5e 41 RSP: 0018:ffffc900000d7b90 EFLAGS: 00010293 RAX: ffffffff850d16a9 RBX: ffff88810cf58800 RCX: ffff888103655f00 RDX: 0000000000000000 RSI: 0000000000400000 RDI: ffff88810cf58808 RBP: ffffc900000d7bb0 R08: ffffffff87d48ec7 R09: 1ffffffff0fa91d8 R10: dffffc0000000000 R11: fffffbfff0fa91d9 R12: dffffc0000000000 R13: dffffc0000000000 R14: ffff88810cf58000 R15: 0000000000000008 FS: 0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055a3414d9a58 CR3: 00000000074aa000 CR4: 00000000003526b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: ops_exit_list net/core/net_namespace.c:173 [inline] cleanup_net+0x6c0/0xc90 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: 13 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: 13 Comm: kworker/u8:1 Tainted: G W syzkaller #0 f1e96da778e106ed2ad9fef94b5d954a2cba2451 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 2f e1 ed fc 48 8b 3b e8 47 f0 d8 fc 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc e8 f2 6f 95 fc <0f> 0b e9 b0 fd ff ff e8 e6 6f 95 fc 0f 0b e9 18 fe ff ff e8 da 6f RSP: 0018:ffffc900000d7b70 EFLAGS: 00010293 RAX: ffffffff84f24cae RBX: ffff888123a26a80 RCX: ffff888103655f00 RDX: 0000000000000000 RSI: 0000000000400000 RDI: ffff888103655f00 RBP: ffffc900000d7b98 R08: ffffffff87d48ec7 R09: 1ffffffff0fa91d8 R10: dffffc0000000000 R11: fffffbfff0fa91d9 R12: 1ffffffff0fa8f28 R13: dffffc0000000000 R14: ffff888123a27680 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2f991ecdf4 CR3: 00000001162a8000 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+0x6c0/0xc90 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 ]--- bridge_slave_1: left allmulticast mode bridge_slave_1: left promiscuous mode bridge0: port 2(bridge_slave_1) entered disabled state ªªªªª»: left allmulticast mode ªªªªª»: left promiscuous mode bridge0: port 1(ªªªªª») 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_to_bond: left allmulticast mode veth1_to_bond: left promiscuous mode bridge0: port 3(veth1_to_bond) 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 +$<¶: port 2(bridge_slave_1) entered disabled state bridge_slave_0: left allmulticast mode bridge_slave_0: left promiscuous mode +$<¶: port 1(bridge_slave_0) entered disabled state tipc: Disabling bearer tipc: Left network mode tipc: Left network mode ÿÿÿÿÿÿ: left promiscuous mode