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 Modules linked in: CPU: 0 PID: 7832 Comm: syz-executor648 Not tainted 4.14.169-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff8880a97b0280 task.stack: ffff88808a8c0000 RIP: 0010:do_last fs/namei.c:3269 [inline] RIP: 0010:path_openat+0x20b/0x3db0 fs/namei.c:3569 RSP: 0018:ffff88808a8c7b18 EFLAGS: 00010247 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0001020304050608 RDX: 0000000000000000 RSI: 1ffff11011518f54 RDI: 0000000000000004 RBP: ffff88808a8c7c70 R08: ffff8880a97b0280 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000003 R12: ffff88808a8c7cb0 R13: ffff88808a8c7cb0 R14: ffff888091b66000 R15: 0000000000000000 FS: 00000000026d0880(0000) GS:ffff8880aec00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffd6a44c8c4 CR3: 00000000928c4000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: do_filp_open+0x18e/0x250 fs/namei.c:3603 do_sys_open+0x2c5/0x430 fs/open.c:1084 SYSC_openat fs/open.c:1111 [inline] SyS_openat+0x30/0x40 fs/open.c:1105 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x4412d9 RSP: 002b:00007ffd6a44c8b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412d9 RDX: 0000000000000000 RSI: 0000000020000200 RDI: ffffffffffffff9c RBP: 000000000000f97d R08: 0000000000000004 R09: 00000000004002c8 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402050 R13: 00000000004020e0 R14: 0000000000000000 R15: 0000000000000000 Code: 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 03 30 00 00 48 b8 00 00 00 00 00 fc ff df 49 8b 5e 58 48 8d 7b 04 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 RIP: do_last fs/namei.c:3269 [inline] RSP: ffff88808a8c7b18 RIP: path_openat+0x20b/0x3db0 fs/namei.c:3569 RSP: ffff88808a8c7b18 ---[ end trace 26c63089819ee757 ]---