kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 10112 Comm: syz-executor063 Not tainted 5.3.0-rc3+ #160 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:packet_lookup_frame+0x8d/0x270 net/packet/af_packet.c:474 Code: c1 ee 03 f7 73 0c 80 3c 0e 00 0f 85 cb 01 00 00 48 8b 0b 89 c0 4c 8d 24 c1 48 b8 00 00 00 00 00 fc ff df 4c 89 e1 48 c1 e9 03 <80> 3c 01 00 0f 85 94 01 00 00 48 8d 7b 10 4d 8b 3c 24 48 b8 00 00 RSP: 0018:ffff8880910ef7b8 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: ffff8880a8b74b30 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 1ffff1101516e966 RDI: ffff8880a8b74b3c RBP: ffff8880910ef7e8 R08: ffff8880a8dea380 R09: fffffbfff134af08 R10: fffffbfff134af07 R11: ffffffff89a5783f R12: 0000000000000000 R13: 0000000000000001 R14: ffff8880a8b745c0 R15: 0000000000000000 FS: 00007fc97da85700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc97daa5db8 CR3: 000000009140b000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: packet_current_frame net/packet/af_packet.c:487 [inline] tpacket_snd net/packet/af_packet.c:2667 [inline] packet_sendmsg+0x590/0x6250 net/packet/af_packet.c:2975 sock_sendmsg_nosec net/socket.c:637 [inline] sock_sendmsg+0xd7/0x130 net/socket.c:657 ___sys_sendmsg+0x3e2/0x920 net/socket.c:2311 __sys_sendmmsg+0x1bf/0x4d0 net/socket.c:2413 __do_sys_sendmmsg net/socket.c:2442 [inline] __se_sys_sendmmsg net/socket.c:2439 [inline] __x64_sys_sendmmsg+0x9d/0x100 net/socket.c:2439 do_syscall_64+0xfd/0x6a0 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4498d9 Code: e8 bc 15 03 00 48 83 c4 18 c3 0f 1f 80 00 00 00 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 0f 83 cb 05 fc ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fc97da84ce8 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 RAX: ffffffffffffffda RBX: 00000000006e5a18 RCX: 00000000004498d9 RDX: 0400000000000328 RSI: 0000000020008a80 RDI: 0000000000000003 RBP: 00000000006e5a10 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006e5a1c R13: 00007ffd7329204f R14: 00007fc97da859c0 R15: 20c49ba5e353f7cf Modules linked in: ---[ end trace 5e2c67b2e269bfbc ]--- RIP: 0010:packet_lookup_frame+0x8d/0x270 net/packet/af_packet.c:474 Code: c1 ee 03 f7 73 0c 80 3c 0e 00 0f 85 cb 01 00 00 48 8b 0b 89 c0 4c 8d 24 c1 48 b8 00 00 00 00 00 fc ff df 4c 89 e1 48 c1 e9 03 <80> 3c 01 00 0f 85 94 01 00 00 48 8d 7b 10 4d 8b 3c 24 48 b8 00 00 RSP: 0018:ffff8880910ef7b8 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: ffff8880a8b74b30 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 1ffff1101516e966 RDI: ffff8880a8b74b3c RBP: ffff8880910ef7e8 R08: ffff8880a8dea380 R09: fffffbfff134af08 R10: fffffbfff134af07 R11: ffffffff89a5783f R12: 0000000000000000 R13: 0000000000000001 R14: ffff8880a8b745c0 R15: 0000000000000000 FS: 00007fc97da85700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc97daa5db8 CR3: 000000009140b000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400