------------[ cut here ]------------ WARNING: CPU: 1 PID: 666 at net/ipv6/xfrm6_tunnel.c:341 xfrm6_tunnel_net_exit+0x88/0x100 net/ipv6/xfrm6_tunnel.c:341 Modules linked in: CPU: 1 UID: 0 PID: 666 Comm: kworker/u8:5 Not tainted syzkaller #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 Workqueue: netns cleanup_net pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : xfrm6_tunnel_net_exit+0x88/0x100 net/ipv6/xfrm6_tunnel.c:341 lr : xfrm6_tunnel_net_exit+0x88/0x100 net/ipv6/xfrm6_tunnel.c:341 sp : ffff80009c5d78d0 x29: ffff80009c5d78d0 x28: 0000000000000001 x27: 1ffff0001250d5b9 x26: ffff80009286adc8 x25: ffff80009299b2e0 x24: ffff0000c853a528 x23: ffff80009299b300 x22: 00000000000007e8 x21: dfff800000000000 x20: ffff0000c76687e8 x19: ffff0000c7668000 x18: 1fffe000337db690 x17: ffff80008f59e000 x16: ffff800082dee448 x15: 0000000000000001 x14: 1fffe000337de008 x13: 0000000000000000 x12: 0000000000000000 x11: ffff800093124c88 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000c7408000 x7 : ffff800080427b60 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : 0000000000000010 x2 : 0000000000000007 x1 : 0000000000000080 x0 : 0000000000000000 Call trace: xfrm6_tunnel_net_exit+0x88/0x100 net/ipv6/xfrm6_tunnel.c:341 (P) ops_exit_list net/core/net_namespace.c:199 [inline] ops_undo_list+0x3c0/0x7ec net/core/net_namespace.c:252 cleanup_net+0x3f8/0x6dc net/core/net_namespace.c:695 process_one_work+0x7e8/0x155c kernel/workqueue.c:3263 process_scheduled_works kernel/workqueue.c:3346 [inline] worker_thread+0x958/0xed8 kernel/workqueue.c:3427 kthread+0x5fc/0x75c kernel/kthread.c:463 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:844 irq event stamp: 1421552 hardirqs last enabled at (1421551): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline] hardirqs last enabled at (1421551): [] _raw_spin_unlock_irq+0x30/0x80 kernel/locking/spinlock.c:202 hardirqs last disabled at (1421552): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (1421548): [] spin_unlock_bh include/linux/spinlock.h:396 [inline] softirqs last enabled at (1421548): [] xfrm_state_flush+0x744/0x760 net/xfrm/xfrm_state.c:952 softirqs last disabled at (1421546): [] spin_lock_bh include/linux/spinlock.h:356 [inline] softirqs last disabled at (1421546): [] xfrm_state_flush+0x48/0x760 net/xfrm/xfrm_state.c:924 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 666 at net/ipv6/xfrm6_tunnel.c:344 xfrm6_tunnel_net_exit+0xdc/0x100 net/ipv6/xfrm6_tunnel.c:344 Modules linked in: CPU: 1 UID: 0 PID: 666 Comm: kworker/u8:5 Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 Workqueue: netns cleanup_net pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : xfrm6_tunnel_net_exit+0xdc/0x100 net/ipv6/xfrm6_tunnel.c:344 lr : xfrm6_tunnel_net_exit+0xdc/0x100 net/ipv6/xfrm6_tunnel.c:344 sp : ffff80009c5d78d0 x29: ffff80009c5d78d0 x28: 0000000000000001 x27: 1ffff0001250d5b9 x26: ffff80009286adc8 x25: ffff80009299b2e0 x24: ffff0000c853a528 x23: ffff80009299b300 x22: ffff0000c7668800 x21: dfff800000000000 x20: 0000000000000008 x19: ffff0000c7668808 x18: 1fffe000337db690 x17: ffff80008f59e000 x16: ffff800082dee448 x15: 0000000000000001 x14: 1fffe000337de008 x13: 0000000000000000 x12: 0000000000000000 x11: ffff800093124c88 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000c7408000 x7 : ffff800080427b60 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : 0000000000000010 x2 : 0000000000000007 x1 : 0000000000000080 x0 : 0000000000000000 Call trace: xfrm6_tunnel_net_exit+0xdc/0x100 net/ipv6/xfrm6_tunnel.c:344 (P) ops_exit_list net/core/net_namespace.c:199 [inline] ops_undo_list+0x3c0/0x7ec net/core/net_namespace.c:252 cleanup_net+0x3f8/0x6dc net/core/net_namespace.c:695 process_one_work+0x7e8/0x155c kernel/workqueue.c:3263 process_scheduled_works kernel/workqueue.c:3346 [inline] worker_thread+0x958/0xed8 kernel/workqueue.c:3427 kthread+0x5fc/0x75c kernel/kthread.c:463 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:844 irq event stamp: 1421722 hardirqs last enabled at (1421721): [] irqentry_exit+0xd8/0x108 kernel/entry/common.c:214 hardirqs last disabled at (1421722): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (1421716): [] softirq_handle_end kernel/softirq.c:468 [inline] softirqs last enabled at (1421716): [] handle_softirqs+0xaf8/0xc88 kernel/softirq.c:650 softirqs last disabled at (1421555): [] __do_softirq+0x14/0x20 kernel/softirq.c:656 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 666 at net/xfrm/xfrm_state.c:3306 xfrm_state_fini+0x248/0x2b0 net/xfrm/xfrm_state.c:3306 Modules linked in: CPU: 1 UID: 0 PID: 666 Comm: kworker/u8:5 Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 Workqueue: netns cleanup_net pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : xfrm_state_fini+0x248/0x2b0 net/xfrm/xfrm_state.c:3306 lr : xfrm_state_fini+0x248/0x2b0 net/xfrm/xfrm_state.c:3306 sp : ffff80009c5d78a0 x29: ffff80009c5d78a0 x28: 0000000000000001 x27: 1ffff0001250d5b9 x26: ffff80009286adc8 x25: ffff800092972860 x24: ffff0000c853a528 x23: ffff800092972880 x22: dfff800000000000 x21: dfff800000000000 x20: ffff0000c853b940 x19: ffff0000c853a480 x18: 1fffe000337db690 x17: ffff80008f59e000 x16: ffff800082dee448 x15: 0000000000000001 x14: 1fffe000337de008 x13: 0000000000000000 x12: 0000000000000000 x11: ffff800093124c88 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000c7408000 x7 : ffff800080427b60 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : 0000000000000010 x2 : 0000000000000007 x1 : 0000000000000080 x0 : 0000000000000000 Call trace: xfrm_state_fini+0x248/0x2b0 net/xfrm/xfrm_state.c:3306 (P) xfrm_net_exit+0x38/0x78 net/xfrm/xfrm_policy.c:4354 ops_exit_list net/core/net_namespace.c:199 [inline] ops_undo_list+0x3c0/0x7ec net/core/net_namespace.c:252 cleanup_net+0x3f8/0x6dc net/core/net_namespace.c:695 process_one_work+0x7e8/0x155c kernel/workqueue.c:3263 process_scheduled_works kernel/workqueue.c:3346 [inline] worker_thread+0x958/0xed8 kernel/workqueue.c:3427 kthread+0x5fc/0x75c kernel/kthread.c:463 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:844 irq event stamp: 1424848 hardirqs last enabled at (1424847): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline] hardirqs last enabled at (1424847): [] _raw_spin_unlock_irq+0x30/0x80 kernel/locking/spinlock.c:202 hardirqs last disabled at (1424848): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (1424844): [] spin_unlock_bh include/linux/spinlock.h:396 [inline] softirqs last enabled at (1424844): [] xfrm_state_flush+0x744/0x760 net/xfrm/xfrm_state.c:952 softirqs last disabled at (1424842): [] spin_lock_bh include/linux/spinlock.h:356 [inline] softirqs last disabled at (1424842): [] xfrm_state_flush+0x48/0x760 net/xfrm/xfrm_state.c:924 ---[ end trace 0000000000000000 ]---