kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] SMP KASAN Dumping ftrace buffer: (ftrace buffer empty) Modules linked in: CPU: 1 PID: 11728 Comm: syz-executor1 Not tainted 4.17.0-rc2+ #24 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:smc_setsockopt+0x8b/0x120 net/smc/af_smc.c:1287 RSP: 0018:ffff8801b0ca7cc8 EFLAGS: 00010206 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc900064e3000 RDX: 0000000000000005 RSI: ffffffff873e71a6 RDI: 0000000000000028 RBP: ffff8801b0ca7cf8 R08: 0000000000001000 R09: ffffed003b5e46c2 R10: 0000000000000003 R11: 0000000000000000 R12: ffff8801b0ca7d40 R13: 0000000000000107 R14: 000000000000001f R15: 00000000200014c0 FS: 00007f5fe7e2d700(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2bc21000 CR3: 00000001ce525000 CR4: 00000000001426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __sys_setsockopt+0x1bd/0x390 net/socket.c:1903 __do_sys_setsockopt net/socket.c:1914 [inline] __se_sys_setsockopt net/socket.c:1911 [inline] __x64_sys_setsockopt+0xbe/0x150 net/socket.c:1911 do_syscall_64+0x1b1/0x800 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x455979 RSP: 002b:00007f5fe7e2cc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 00007f5fe7e2d6d4 RCX: 0000000000455979 RDX: 000000000000001f RSI: 0000000000000107 RDI: 0000000000000015 RBP: 000000000072bea0 R08: 0000000000001000 R09: 0000000000000000 R10: 00000000200014c0 R11: 0000000000000246 R12: 00000000ffffffff R13: 0000000000000641 R14: 00000000006fd6b8 R15: 0000000000000000 Code: fa 48 c1 ea 03 80 3c 02 00 0f 85 93 00 00 00 48 8b 9b 50 04 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d 7b 28 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 62 48 b8 00 00 00 00 00 fc ff df 4c 8b 63 28 49 RIP: smc_setsockopt+0x8b/0x120 net/smc/af_smc.c:1287 RSP: ffff8801b0ca7cc8 ---[ end trace 6f23779add90eb04 ]---