------------[ cut here ]------------ kernel BUG at net/core/skbuff.c:2490! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 14709 Comm: syz-executor.5 Not tainted 6.2.0-rc4-syzkaller-00687-g32e54254bab8 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 RIP: 0010:__pskb_pull_tail+0x1196/0x1740 net/core/skbuff.c:2490 Code: 98 c8 00 00 00 e9 c7 f6 ff ff e8 85 26 bd f9 48 8b 3c 24 be 02 00 00 00 e8 37 a6 ff ff 45 31 e4 e9 b4 f6 ff ff e8 6a 26 bd f9 <0f> 0b e8 63 26 bd f9 4c 8b 7c 24 38 49 83 ef 01 e9 fb f4 ff ff 48 RSP: 0018:ffffc9001557ee88 EFLAGS: 00010202 RAX: 0000000000000680 RBX: 00000000fffffff2 RCX: ffffc90005ee2000 RDX: 0000000000040000 RSI: ffffffff87c43c36 RDI: 0000000000000005 RBP: ffffc9001557ef10 R08: 0000000000000005 R09: 0000000000000000 R10: 00000000fffffff2 R11: 0000000000000000 R12: 0000000000000ec0 R13: ffff888091658000 R14: dffffc0000000000 R15: ffff8880289c8d80 FS: 00007f55b51ae700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020002000 CR3: 0000000083295000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __skb_linearize include/linux/skbuff.h:3668 [inline] skb_linearize include/linux/skbuff.h:3680 [inline] tipc_msg_reverse+0x6dd/0x970 net/tipc/msg.c:627 tipc_sk_filter_rcv+0x576/0x3530 net/tipc/socket.c:2379 tipc_sk_enqueue net/tipc/socket.c:2448 [inline] tipc_sk_rcv+0xdc2/0x22b0 net/tipc/socket.c:2500 tipc_sk_mcast_rcv+0x7b3/0x1050 net/tipc/socket.c:1269 tipc_mcast_xmit+0x706/0x1190 net/tipc/bcast.c:424 tipc_sendmcast+0xa59/0xe60 net/tipc/socket.c:888 __tipc_sendmsg+0x1118/0x1870 net/tipc/socket.c:1470 tipc_sendmsg+0x50/0x70 net/tipc/socket.c:1404 sock_sendmsg_nosec net/socket.c:722 [inline] sock_sendmsg+0xde/0x190 net/socket.c:745 ____sys_sendmsg+0x71c/0x900 net/socket.c:2501 ___sys_sendmsg+0x110/0x1b0 net/socket.c:2555 __sys_sendmsg+0xf7/0x1c0 net/socket.c:2584 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f55b448c0c9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 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:00007f55b51ae168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f55b45abf80 RCX: 00007f55b448c0c9 RDX: 0000000000000000 RSI: 00000000200013c0 RDI: 0000000000000003 RBP: 00007f55b44e7ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd539cb9cf R14: 00007f55b51ae300 R15: 0000000000022000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__pskb_pull_tail+0x1196/0x1740 net/core/skbuff.c:2490 Code: 98 c8 00 00 00 e9 c7 f6 ff ff e8 85 26 bd f9 48 8b 3c 24 be 02 00 00 00 e8 37 a6 ff ff 45 31 e4 e9 b4 f6 ff ff e8 6a 26 bd f9 <0f> 0b e8 63 26 bd f9 4c 8b 7c 24 38 49 83 ef 01 e9 fb f4 ff ff 48 RSP: 0018:ffffc9001557ee88 EFLAGS: 00010202 RAX: 0000000000000680 RBX: 00000000fffffff2 RCX: ffffc90005ee2000 RDX: 0000000000040000 RSI: ffffffff87c43c36 RDI: 0000000000000005 RBP: ffffc9001557ef10 R08: 0000000000000005 R09: 0000000000000000 R10: 00000000fffffff2 R11: 0000000000000000 R12: 0000000000000ec0 R13: ffff888091658000 R14: dffffc0000000000 R15: ffff8880289c8d80 FS: 00007f55b51ae700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020002000 CR3: 0000000083295000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400