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: 1 PID: 9756 Comm: blkid Not tainted 5.4.16-syzkaller-01243-gf683c8dc7f32 #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:ffff8881c5e97920 EFLAGS: 00010247
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff8881c5e97b48
RDX: ffff8881c6ee9298 RSI: 0000000000000000 RDI: 0000000000000004
RBP: ffff8881c5e97bf0 R08: ffffffff817828f1 R09: 0000000000000003
R10: ffffed1038bd2ed7 R11: 0000000000000004 R12: ffff8881c5e97c48
R13: ffff8881ced01e00 R14: ffff8881c5e97e40 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8881dbb00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fffd0216b50 CR3: 00000001c95d7003 CR4: 00000000001606e0
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: 0033:0x7f7fe72e31a7
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:00007ffe0ca087b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 0000000000400f31 RCX: 00007f7fe72e31a7
RDX: 0000000000000001 RSI: 0000000000000000 RDI: 00007f7fe72e7282
RBP: 0000000000000001 R08: 00007f7fe74ee570 R09: 0000000000000000
R10: ffffffffffffffb0 R11: 0000000000000246 R12: 00007f7fe74ee090
R13: 00007f7fe74ed040 R14: 0000000000000000 R15: 00007f7fe74ee570
Modules linked in:
---[ end trace 1e5cc2f6953b1a00 ]---
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:ffff8881c5e97920 EFLAGS: 00010247
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff8881c5e97b48
RDX: ffff8881c6ee9298 RSI: 0000000000000000 RDI: 0000000000000004
RBP: ffff8881c5e97bf0 R08: ffffffff817828f1 R09: 0000000000000003
R10: ffffed1038bd2ed7 R11: 0000000000000004 R12: ffff8881c5e97c48
R13: ffff8881ced01e00 R14: ffff8881c5e97e40 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8881dbb00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fffd0216b50 CR3: 00000001c95d7003 CR4: 00000000001606e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400