------------[ cut here ]------------ kernel BUG at net/core/skbuff.c:120! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 10916 Comm: syz-executor.2 Not tainted 6.0.0-rc6-syzkaller-01359-g9258b8b1be2e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 RIP: 0010:skb_panic+0x16c/0x16e net/core/skbuff.c:120 Code: f8 4c 8b 4c 24 10 8b 4b 70 41 56 45 89 e8 4c 89 e2 41 57 48 89 ee 48 c7 c7 80 ff f3 8a ff 74 24 10 ff 74 24 20 e8 86 e6 c0 ff <0f> 0b e8 b8 60 ff f7 4c 8b 64 24 18 e8 de 0e 4c f8 48 c7 c1 60 0c RSP: 0018:ffffc90013c67758 EFLAGS: 00010282 RAX: 0000000000000084 RBX: ffff88807a63a140 RCX: 0000000000000000 RDX: ffff8880748e1d80 RSI: ffffffff8161f3d8 RDI: fffff5200278cedd RBP: ffffffff8af40c60 R08: 0000000000000084 R09: 0000000000000000 R10: 0000000080000000 R11: 0000000000000000 R12: ffffffff8775392d R13: 000000000000000e R14: ffff888147638000 R15: 00000000000000c0 FS: 00007efe8a0c4700(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd8b7b9b718 CR3: 0000000043615000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: skb_under_panic net/core/skbuff.c:130 [inline] skb_push.cold+0x24/0x24 net/core/skbuff.c:2069 eth_header+0x2d/0x1e0 net/ethernet/eth.c:83 dev_hard_header include/linux/netdevice.h:3060 [inline] llc_mac_hdr_init+0x12f/0x190 net/llc/llc_output.c:33 llc_sap_action_send_test_c+0x1ad/0x2c0 net/llc/llc_s_ac.c:141 llc_exec_sap_trans_actions net/llc/llc_sap.c:153 [inline] llc_sap_next_state net/llc/llc_sap.c:182 [inline] llc_sap_state_process+0x22f/0x500 net/llc/llc_sap.c:209 llc_ui_sendmsg+0x9f6/0x10c0 net/llc/af_llc.c:982 sock_sendmsg_nosec net/socket.c:714 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:734 ____sys_sendmsg+0x334/0x810 net/socket.c:2482 ___sys_sendmsg+0x110/0x1b0 net/socket.c:2536 __sys_sendmmsg+0x18b/0x460 net/socket.c:2622 __do_sys_sendmmsg net/socket.c:2651 [inline] __se_sys_sendmmsg net/socket.c:2648 [inline] __x64_sys_sendmmsg+0x99/0x100 net/socket.c:2648 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7efe88e8a669 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:00007efe8a0c4168 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 RAX: ffffffffffffffda RBX: 00007efe88fac050 RCX: 00007efe88e8a669 RDX: 03fffffffffffeed RSI: 0000000020001380 RDI: 0000000000000006 RBP: 00007efe88ee5560 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffef4e1a84f R14: 00007efe8a0c4300 R15: 0000000000022000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:skb_panic+0x16c/0x16e net/core/skbuff.c:120 Code: f8 4c 8b 4c 24 10 8b 4b 70 41 56 45 89 e8 4c 89 e2 41 57 48 89 ee 48 c7 c7 80 ff f3 8a ff 74 24 10 ff 74 24 20 e8 86 e6 c0 ff <0f> 0b e8 b8 60 ff f7 4c 8b 64 24 18 e8 de 0e 4c f8 48 c7 c1 60 0c RSP: 0018:ffffc90013c67758 EFLAGS: 00010282 RAX: 0000000000000084 RBX: ffff88807a63a140 RCX: 0000000000000000 RDX: ffff8880748e1d80 RSI: ffffffff8161f3d8 RDI: fffff5200278cedd RBP: ffffffff8af40c60 R08: 0000000000000084 R09: 0000000000000000 R10: 0000000080000000 R11: 0000000000000000 R12: ffffffff8775392d R13: 000000000000000e R14: ffff888147638000 R15: 00000000000000c0 FS: 00007efe8a0c4700(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3ec9380058 CR3: 0000000043615000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400