skbuff: skb_over_panic: text:ffffffff846c2c78 len:664 put:72 head:ffff888116bd1000 data:ffff888116bd1000 tail:0x298 end:0x280 dev:<NULL> ------------[ cut here ]------------ kernel BUG at net/core/skbuff.c:113! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 2131 Comm: syz-executor.1 Not tainted 5.15.74-syzkaller-04383-g7f2e600bf63a #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 RIP: 0010:skb_panic+0x14c/0x150 net/core/skbuff.c:113 Code: c7 a0 70 be 85 48 8b 75 c0 48 8b 55 b8 8b 4d d4 44 8b 45 d0 4c 8b 4d c8 31 c0 53 41 56 41 55 41 54 e8 03 fe dc 00 48 83 c4 20 <0f> 0b 66 90 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 ec 78 4c RSP: 0018:ffffc90006376b08 EFLAGS: 00010282 RAX: 0000000000000088 RBX: ffffffff85be7120 RCX: b0027e603bd1e900 RDX: ffffc900014cb000 RSI: 000000000003ffff RDI: 0000000000040000 RBP: ffffc90006376b50 R08: ffffffff815838e9 R09: 0000000000000003 R10: fffff52000c6ecc9 R11: 1ffff92000c6ecc8 R12: ffff888116bd1000 R13: 0000000000000298 R14: 0000000000000280 R15: dffffc0000000000 FS: 00007f53faf89700(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f8cda653d80 CR3: 0000000114427000 CR4: 00000000003526b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> skb_over_panic net/core/skbuff.c:118 [inline] skb_put+0x153/0x210 net/core/skbuff.c:2039 dump_esp_combs net/key/af_key.c:3009 [inline] pfkey_send_acquire+0x19a8/0x2db0 net/key/af_key.c:3230 km_query+0x75/0xe0 net/xfrm/xfrm_state.c:2247 xfrm_state_find+0x24d8/0x3510 net/xfrm/xfrm_state.c:1164 xfrm_tmpl_resolve_one net/xfrm/xfrm_policy.c:2393 [inline] xfrm_tmpl_resolve net/xfrm/xfrm_policy.c:2438 [inline] xfrm_resolve_and_create_bundle+0x66d/0x2c80 net/xfrm/xfrm_policy.c:2731 xfrm_lookup_with_ifid+0xff4/0x2640 net/xfrm/xfrm_policy.c:3065 xfrm_lookup net/xfrm/xfrm_policy.c:3194 [inline] xfrm_lookup_route+0x3b/0x160 net/xfrm/xfrm_policy.c:3205 ip_route_output_flow+0x1e7/0x310 net/ipv4/route.c:2889 udp_sendmsg+0x1650/0x2920 net/ipv4/udp.c:1224 inet_sendmsg+0xa1/0xc0 net/ipv4/af_inet.c:827 sock_sendmsg_nosec net/socket.c:704 [inline] sock_sendmsg net/socket.c:724 [inline] ____sys_sendmsg+0x597/0x8e0 net/socket.c:2412 ___sys_sendmsg net/socket.c:2466 [inline] __sys_sendmmsg+0x5c7/0x800 net/socket.c:2552 __do_sys_sendmmsg net/socket.c:2581 [inline] __se_sys_sendmmsg net/socket.c:2578 [inline] __x64_sys_sendmmsg+0xa0/0xb0 net/socket.c:2578 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f53fc2365a9 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:00007f53faf89168 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 RAX: ffffffffffffffda RBX: 00007f53fc357050 RCX: 00007f53fc2365a9 RDX: 0400000000000354 RSI: 0000000020000180 RDI: 0000000000000005 RBP: 00007f53fc2917b0 R08: 0000000000000000 R09: 0000000000000000 R10: 000002873dedf99c R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe5b2496cf R14: 00007f53faf89300 R15: 0000000000022000 </TASK> Modules linked in: ---[ end trace 706b494d2b411108 ]--- RIP: 0010:skb_panic+0x14c/0x150 net/core/skbuff.c:113 Code: c7 a0 70 be 85 48 8b 75 c0 48 8b 55 b8 8b 4d d4 44 8b 45 d0 4c 8b 4d c8 31 c0 53 41 56 41 55 41 54 e8 03 fe dc 00 48 83 c4 20 <0f> 0b 66 90 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 ec 78 4c RSP: 0018:ffffc90006376b08 EFLAGS: 00010282 RAX: 0000000000000088 RBX: ffffffff85be7120 RCX: b0027e603bd1e900 RDX: ffffc900014cb000 RSI: 000000000003ffff RDI: 0000000000040000 RBP: ffffc90006376b50 R08: ffffffff815838e9 R09: 0000000000000003 R10: fffff52000c6ecc9 R11: 1ffff92000c6ecc8 R12: ffff888116bd1000 R13: 0000000000000298 R14: 0000000000000280 R15: dffffc0000000000 FS: 00007f53faf89700(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f8cda653d80 CR3: 0000000114427000 CR4: 00000000003526b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400