kernel BUG at net/core/skbuff.c:120! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 3826 Comm: syz-executor.0 Not tainted 6.1.0-rc4-syzkaller-00159-g4bbf3422df78 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 RIP: 0010:skb_panic+0x14a/0x150 net/core/skbuff.c:120 Code: 72 b8 8b 48 8b 74 24 08 48 8b 54 24 10 8b 0c 24 44 8b 44 24 04 49 89 e9 31 c0 53 41 55 41 54 41 57 e8 2c 71 0f 02 48 83 c4 20 <0f> 0b 0f 1f 40 00 55 41 57 41 56 41 55 41 54 53 48 83 ec 40 4d 89 RSP: 0018:ffffc9000432ed28 EFLAGS: 00010286 RAX: 0000000000000089 RBX: ffffffff8bb872e0 RCX: 1f831541a0148600 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffff888023a07000 R08: ffffffff816cfd9d R09: fffff52000865d59 R10: fffff52000865d59 R11: 1ffff92000865d58 R12: 00000000000006d0 R13: 00000000000006c0 R14: dffffc0000000000 R15: ffff888023a07000 FS: 00007f26af977700(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000201a4030 CR3: 000000007a5af000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: skb_over_panic net/core/skbuff.c:125 [inline] skb_put+0x148/0x1f0 net/core/skbuff.c:2152 dump_esp_combs net/key/af_key.c:3009 [inline] pfkey_send_acquire+0x1905/0x2d00 net/key/af_key.c:3230 km_query+0xd4/0x1b0 net/xfrm/xfrm_state.c:2248 xfrm_state_find+0x2544/0x35a0 net/xfrm/xfrm_state.c:1165 xfrm_tmpl_resolve_one net/xfrm/xfrm_policy.c:2392 [inline] xfrm_tmpl_resolve net/xfrm/xfrm_policy.c:2437 [inline] xfrm_resolve_and_create_bundle+0x737/0x2c00 net/xfrm/xfrm_policy.c:2730 xfrm_lookup_with_ifid+0x31d/0x2430 net/xfrm/xfrm_policy.c:3064 xfrm_lookup net/xfrm/xfrm_policy.c:3193 [inline] xfrm_lookup_route+0x38/0x190 net/xfrm/xfrm_policy.c:3204 udp_sendmsg+0x182f/0x2b00 net/ipv4/udp.c:1224 sock_sendmsg_nosec net/socket.c:714 [inline] sock_sendmsg net/socket.c:734 [inline] ____sys_sendmsg+0x597/0x8e0 net/socket.c:2482 ___sys_sendmsg net/socket.c:2536 [inline] __sys_sendmmsg+0x3d7/0x770 net/socket.c:2622 __do_sys_sendmmsg net/socket.c:2651 [inline] __se_sys_sendmmsg net/socket.c:2648 [inline] __x64_sys_sendmmsg+0x9c/0xb0 net/socket.c:2648 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f26aec8b639 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f26af977168 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 RAX: ffffffffffffffda RBX: 00007f26aedac1f0 RCX: 00007f26aec8b639 RDX: 0400000000000354 RSI: 0000000020000180 RDI: 0000000000000005 RBP: 00007f26aece67e1 R08: 0000000000000000 R09: 0000000000000000 R10: 000002873dedf99c R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc09b2abbf R14: 00007f26af977300 R15: 0000000000022000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:skb_panic+0x14a/0x150 net/core/skbuff.c:120 Code: 72 b8 8b 48 8b 74 24 08 48 8b 54 24 10 8b 0c 24 44 8b 44 24 04 49 89 e9 31 c0 53 41 55 41 54 41 57 e8 2c 71 0f 02 48 83 c4 20 <0f> 0b 0f 1f 40 00 55 41 57 41 56 41 55 41 54 53 48 83 ec 40 4d 89 RSP: 0018:ffffc9000432ed28 EFLAGS: 00010286 RAX: 0000000000000089 RBX: ffffffff8bb872e0 RCX: 1f831541a0148600 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffff888023a07000 R08: ffffffff816cfd9d R09: fffff52000865d59 R10: fffff52000865d59 R11: 1ffff92000865d58 R12: 00000000000006d0 R13: 00000000000006c0 R14: dffffc0000000000 R15: ffff888023a07000 FS: 00007f26af977700(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f0a888e7300 CR3: 000000007a5af000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400