kernel BUG at net/core/skbuff.c:2490! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 24039 Comm: syz-executor.5 Not tainted 6.2.0-rc5-next-20230123-syzkaller #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 05 3d bc f9 48 8b 3c 24 be 02 00 00 00 e8 47 a9 ff ff 45 31 e4 e9 b4 f6 ff ff e8 ea 3c bc f9 <0f> 0b e8 e3 3c bc f9 4c 8b 7c 24 38 49 83 ef 01 e9 fb f4 ff ff 48 RSP: 0018:ffffc9000314f640 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 00000000fffffff2 RCX: 0000000000000000 RDX: ffff888078421d40 RSI: ffffffff87c5b146 RDI: 0000000000000005 RBP: ffffc9000314f6c8 R08: 0000000000000005 R09: 0000000000000000 R10: 00000000fffffff2 R11: 0000000000000000 R12: 0000000000000ec0 R13: ffff888090120000 R14: ffff88802af25640 R15: ffff88807eb3e640 FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b32f25000 CR3: 000000003818a000 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_respond+0xfa/0x300 net/tipc/socket.c:292 tsk_rej_rx_queue+0x106/0x1d0 net/tipc/socket.c:313 __tipc_shutdown+0x9ea/0xeb0 net/tipc/socket.c:577 tipc_release+0x174/0x1920 net/tipc/socket.c:642 __sock_release+0xcd/0x280 net/socket.c:651 sock_close+0x1c/0x20 net/socket.c:1390 __fput+0x27c/0xa90 fs/file_table.c:321 task_work_run+0x16f/0x270 kernel/task_work.c:179 exit_task_work include/linux/task_work.h:38 [inline] do_exit+0xb44/0x2a90 kernel/exit.c:869 do_group_exit+0xd4/0x2a0 kernel/exit.c:1019 get_signal+0x225f/0x24f0 kernel/signal.c:2859 arch_do_signal_or_restart+0x79/0x5c0 arch/x86/kernel/signal.c:306 exit_to_user_mode_loop kernel/entry/common.c:168 [inline] exit_to_user_mode_prepare+0x11f/0x240 kernel/entry/common.c:204 __syscall_exit_to_user_mode_work kernel/entry/common.c:286 [inline] syscall_exit_to_user_mode+0x1d/0x50 kernel/entry/common.c:297 do_syscall_64+0x46/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f25e908c0c9 Code: Unable to access opcode bytes at 0x7f25e908c09f. RSP: 002b:00007ffea1b9a5d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffff92 RBX: 00007f25e91abf8c RCX: 00007f25e908c0c9 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f25e91abf8c RBP: 00007f25e91abf80 R08: 00007ffea1bbb080 R09: 0000000000000000 R10: 00007ffea1b9a6c0 R11: 0000000000000246 R12: 000000000019253a R13: 00007ffea1b9a6c0 R14: 00007ffea1b9a6e0 R15: 0000000000000032 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 05 3d bc f9 48 8b 3c 24 be 02 00 00 00 e8 47 a9 ff ff 45 31 e4 e9 b4 f6 ff ff e8 ea 3c bc f9 <0f> 0b e8 e3 3c bc f9 4c 8b 7c 24 38 49 83 ef 01 e9 fb f4 ff ff 48 RSP: 0018:ffffc9000314f640 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 00000000fffffff2 RCX: 0000000000000000 RDX: ffff888078421d40 RSI: ffffffff87c5b146 RDI: 0000000000000005 RBP: ffffc9000314f6c8 R08: 0000000000000005 R09: 0000000000000000 R10: 00000000fffffff2 R11: 0000000000000000 R12: 0000000000000ec0 R13: ffff888090120000 R14: ffff88802af25640 R15: ffff88807eb3e640 FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd0de8f1300 CR3: 0000000034697000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400