------------[ cut here ]------------ kernel BUG at net/netfilter/nf_conntrack_core.c:570! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 20 Comm: ksoftirqd/1 Not tainted 5.15.178-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 RIP: 0010:nf_ct_del_from_dying_or_unconfirmed_list net/netfilter/nf_conntrack_core.c:570 [inline] RIP: 0010:__nf_conntrack_confirm+0x1080/0x1090 net/netfilter/nf_conntrack_core.c:1207 Code: e9 78 f6 ff ff e8 20 32 e5 f8 48 c7 c7 f0 d2 05 8e 48 c7 c6 20 cf a3 8b 4c 89 ea e8 8a 50 96 fb e9 04 f2 ff ff e8 00 32 e5 f8 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 55 41 57 41 56 41 RSP: 0018:ffffc90000da74b8 EFLAGS: 00010246 RAX: ffffffff889b5390 RBX: 0000000000000000 RCX: ffff88813fe20000 RDX: 0000000000000100 RSI: 0000000000000004 RDI: ffffc90000da7440 RBP: dffffc0000000000 R08: dffffc0000000000 R09: 0000000000000003 R10: ffffffffffffffff R11: dffffc0000000001 R12: ffffffff96e512c0 R13: ffffe8ffffc26650 R14: ffff8880691eb0c8 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c25650e CR3: 0000000025c01000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: nf_conntrack_confirm include/net/netfilter/nf_conntrack_core.h:62 [inline] nf_confirm+0x303/0x420 net/netfilter/nf_conntrack_proto.c:154 nf_hook_entry_hookfn include/linux/netfilter.h:142 [inline] nf_hook_slow+0xae/0x1e0 net/netfilter/core.c:584 nf_hook include/linux/netfilter.h:257 [inline] NF_HOOK+0x26b/0x410 include/linux/netfilter.h:300 NF_HOOK+0x364/0x410 include/linux/netfilter.h:302 __netif_receive_skb_one_core net/core/dev.c:5493 [inline] __netif_receive_skb+0x1c6/0x530 net/core/dev.c:5607 process_backlog+0x363/0x7f0 net/core/dev.c:6484 __napi_poll+0xc7/0x440 net/core/dev.c:7043 napi_poll net/core/dev.c:7110 [inline] net_rx_action+0x617/0xda0 net/core/dev.c:7200 handle_softirqs+0x3a7/0x930 kernel/softirq.c:558 run_ksoftirqd+0xc6/0x120 kernel/softirq.c:925 smpboot_thread_fn+0x51b/0x9d0 kernel/smpboot.c:164 kthread+0x3f6/0x4f0 kernel/kthread.c:334 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287 Modules linked in: ---[ end trace 03e87916236d991f ]--- RIP: 0010:nf_ct_del_from_dying_or_unconfirmed_list net/netfilter/nf_conntrack_core.c:570 [inline] RIP: 0010:__nf_conntrack_confirm+0x1080/0x1090 net/netfilter/nf_conntrack_core.c:1207 Code: e9 78 f6 ff ff e8 20 32 e5 f8 48 c7 c7 f0 d2 05 8e 48 c7 c6 20 cf a3 8b 4c 89 ea e8 8a 50 96 fb e9 04 f2 ff ff e8 00 32 e5 f8 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 55 41 57 41 56 41 RSP: 0018:ffffc90000da74b8 EFLAGS: 00010246 RAX: ffffffff889b5390 RBX: 0000000000000000 RCX: ffff88813fe20000 RDX: 0000000000000100 RSI: 0000000000000004 RDI: ffffc90000da7440 RBP: dffffc0000000000 R08: dffffc0000000000 R09: 0000000000000003 R10: ffffffffffffffff R11: dffffc0000000001 R12: ffffffff96e512c0 R13: ffffe8ffffc26650 R14: ffff8880691eb0c8 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c25650e CR3: 000000000c88e000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400