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: 9089 Comm: true Not tainted 5.4.16-syzkaller-01236-gcac5f7901828 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:do_last fs/namei.c:3369 [inline] RIP: 0010:path_openat+0x324/0x3c00 fs/namei.c:3646 Code: 48 89 84 24 00 01 00 00 42 80 3c 38 00 74 08 48 89 df e8 5f ac f8 ff 48 89 5c 24 38 48 8b 1b 48 8d 7b 04 48 89 f8 48 c1 e8 03 <42> 8a 04 38 84 c0 0f 85 4b 24 00 00 8b 43 04 89 84 24 08 01 00 00 RSP: 0018:ffff88800749f920 EFLAGS: 00010247 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff88800749fb48 RDX: ffff8881d28028d8 RSI: 0000000000000000 RDI: 0000000000000004 RBP: ffff88800749fbf0 R08: ffffffff817828c1 R09: 0000000000000003 R10: ffffed1000e93ed7 R11: 0000000000000004 R12: ffff88800749fc48 R13: ffff8881c4355900 R14: ffff88800749fe40 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8881dba00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7e44b1a4a0 CR3: 0000000007e9d001 CR4: 00000000001606f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: do_filp_open+0x1f7/0x430 fs/namei.c:3676 do_sys_open+0x36f/0x7a0 fs/open.c:1109 __do_sys_open fs/open.c:1127 [inline] __se_sys_open fs/open.c:1122 [inline] __x64_sys_open+0x87/0x90 fs/open.c:1122 do_syscall_64+0xc0/0x100 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7f451f3ec1a7 Code: c3 66 90 c7 05 fa af 20 00 16 00 00 00 b8 ff ff ff ff c3 f7 d8 89 05 ec af 20 00 83 c8 ff c3 90 90 90 90 b8 02 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8d 0d cd af 20 00 31 d2 48 29 c2 89 RSP: 002b:00007ffeab068128 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 0000000000400890 RCX: 00007f451f3ec1a7 RDX: 0000000000000001 RSI: 0000000000000000 RDI: 00007f451f3f0282 RBP: 0000000000000001 R08: 00007f451f5f7570 R09: 0000000000000000 R10: ffffffffffffffb0 R11: 0000000000000246 R12: 00007f451f5f7090 R13: 00007f451f5f6040 R14: 0000000000000000 R15: 00007f451f5f7570 Modules linked in: ---[ end trace 48950fe9467f5e5e ]--- RIP: 0010:do_last fs/namei.c:3369 [inline] RIP: 0010:path_openat+0x324/0x3c00 fs/namei.c:3646 Code: 48 89 84 24 00 01 00 00 42 80 3c 38 00 74 08 48 89 df e8 5f ac f8 ff 48 89 5c 24 38 48 8b 1b 48 8d 7b 04 48 89 f8 48 c1 e8 03 <42> 8a 04 38 84 c0 0f 85 4b 24 00 00 8b 43 04 89 84 24 08 01 00 00 RSP: 0018:ffff88800749f920 EFLAGS: 00010247 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff88800749fb48 RDX: ffff8881d28028d8 RSI: 0000000000000000 RDI: 0000000000000004 RBP: ffff88800749fbf0 R08: ffffffff817828c1 R09: 0000000000000003 R10: ffffed1000e93ed7 R11: 0000000000000004 R12: ffff88800749fc48 R13: ffff8881c4355900 R14: ffff88800749fe40 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8881dbb00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020bc9000 CR3: 0000000007e9d002 CR4: 00000000001606e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400