------------[ cut here ]------------
WARNING: CPU: 0 PID: 2782 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: 2782 Comm: kworker/u8:4 Not tainted syzkaller #0 01ee1fe7718a1a23130276f3878b30f131ac2da4
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
Workqueue: netns cleanup_net
RIP: 0010:xfrm6_tunnel_net_exit+0xc4/0x140 net/ipv6/xfrm6_tunnel.c:341
Code: e8 31 86 d9 fc 4b 83 3c 3e 00 75 19 e8 55 59 81 fc 49 81 ff f8 07 00 00 74 1b e8 47 59 81 fc 49 83 c7 08 eb c9 e8 3c 59 81 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:ffffc9000ec37b90 EFLAGS: 00010293
RAX: ffffffff85064f64 RBX: ffff888103722380 RCX: ffff88811d2a2600
RDX: 0000000000000000 RSI: 0000000000400000 RDI: ffff888103b4c0b8
RBP: ffffc9000ec37bb0 R08: ffffffff87d38087 R09: 1ffffffff0fa7010
R10: dffffc0000000000 R11: fffffbfff0fa7011 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff888103b4c000 R15: 00000000000000b8
FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb7f4385900 CR3: 000000011497e000 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:3238 [inline]
process_scheduled_works+0x7d1/0x1020 kernel/workqueue.c:3319
worker_thread+0xc70/0x10b0 kernel/workqueue.c:3400
kthread+0x2c6/0x370 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: 2782 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: 2782 Comm: kworker/u8:4 Tainted: G W syzkaller #0 01ee1fe7718a1a23130276f3878b30f131ac2da4
Tainted: [W]=WARN
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
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 00 59 81 fc 49 81 ff f8 07 00 00 74 1b e8 f2 58 81 fc 49 83 c7 08 eb c5 e8 e7 58 81 fc <0f> 0b 49 81 ff f8 07 00 00 75 e5 e8 d7 58 81 fc 5b 41 5c 41 5e 41
RSP: 0018:ffffc9000ec37b90 EFLAGS: 00010293
RAX: ffffffff85064fb9 RBX: ffff888103b4c800 RCX: ffff88811d2a2600
RDX: 0000000000000000 RSI: 0000000000400000 RDI: ffff888103b4c808
RBP: ffffc9000ec37bb0 R08: ffffffff87d38087 R09: 1ffffffff0fa7010
R10: dffffc0000000000 R11: fffffbfff0fa7011 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff888103b4c000 R15: 0000000000000008
FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055c744540af8 CR3: 00000000074a8000 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:3238 [inline]
process_scheduled_works+0x7d1/0x1020 kernel/workqueue.c:3319
worker_thread+0xc70/0x10b0 kernel/workqueue.c:3400
kthread+0x2c6/0x370 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: 2782 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: 2782 Comm: kworker/u8:4 Tainted: G W syzkaller #0 01ee1fe7718a1a23130276f3878b30f131ac2da4
Tainted: [W]=WARN
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
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 50 f4 fc 48 8b 3b e8 97 78 df fc 5b 41 5c 41 5d 41 5e 41 5f 5d e9 48 cc b7 00 cc e8 42 23 9c fc <0f> 0b e9 b0 fd ff ff e8 36 23 9c fc 0f 0b e9 18 fe ff ff e8 2a 23
RSP: 0018:ffffc9000ec37b70 EFLAGS: 00010293
RAX: ffffffff84eb855e RBX: ffff888103722380 RCX: ffff88811d2a2600
RDX: 0000000000000000 RSI: 0000000000400000 RDI: ffff88811d2a2600
RBP: ffffc9000ec37b98 R08: ffffffff87d38087 R09: 1ffffffff0fa7010
R10: dffffc0000000000 R11: fffffbfff0fa7011 R12: 1ffffffff0fa6d60
R13: dffffc0000000000 R14: ffff888103722f80 R15: dffffc0000000000
FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055c744540af8 CR3: 0000000113148000 CR4: 00000000003526b0
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+0x7d1/0x1020 kernel/workqueue.c:3319
worker_thread+0xc70/0x10b0 kernel/workqueue.c:3400
kthread+0x2c6/0x370 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 ]---
veth0_vlan: left allmulticast mode
bridge0: port 3(veth0_vlan) 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
tipc: Left network mode
veth1_macvtap: left promiscuous mode
veth0_vlan: left promiscuous mode
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
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