kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 5386 Comm: modprobe Not tainted 5.5.0-syzkaller #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014
RIP: 0010:do_last fs/namei.c:3205 [inline]
RIP: 0010:path_openat+0x281/0x2fb0 fs/namei.c:3476
Code: ff df 48 c1 ea 03 80 3c 02 00 0f 85 41 25 00 00 48 b8 00 00 00 00 00 fc ff df 49 8b 5c 24 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 39
RSP: 0018:ffffc900034e7b18 EFLAGS: 00010247
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff81c15759
RDX: 0000000000000000 RSI: ffffffff81c15766 RDI: 0000000000000004
RBP: ffffc900034e7c60 R08: ffff8880156f0240 R09: ffff8880156f0ad0
R10: fffffbfff14f55d8 R11: ffffffff8a7aaec7 R12: ffff88802c82a1a0
R13: ffff8880156f0240 R14: ffffc900034e7e60 R15: ffffc900034e7ca0
FS:  00007fc46396b700(0000) GS:ffff88802d000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2ca2d000 CR3: 000000005c888000 CR4: 0000000000340ef0
DR0: 0000000020000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 do_filp_open+0x1a1/0x280 fs/namei.c:3506
 do_sys_open+0x3fe/0x5d0 fs/open.c:1097
 __do_sys_open fs/open.c:1115 [inline]
 __se_sys_open fs/open.c:1110 [inline]
 __x64_sys_open+0x7e/0xc0 fs/open.c:1110
 do_syscall_64+0xfa/0x790 arch/x86/entry/common.c:294
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7fc463283120
Code: 48 8b 15 1b 4d 2b 00 f7 d8 64 89 02 83 c8 ff c3 90 90 90 90 90 90 90 90 90 90 83 3d d5 a4 2b 00 00 75 10 b8 02 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 5e 8c 01 00 48 89 04 24
RSP: 002b:00007ffedbbd4b88 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007fc46354e471 RCX: 00007fc463283120
RDX: 0000000000000000 RSI: 0000000000090800 RDI: 00007fc46354e471
RBP: 00007fc4637532e8 R08: 72656c6c616b7a79 R09: 00007ffedbbd5ce2
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 00055facc785c680
Modules linked in:
---[ end trace dfe58ffbb7d8cf5e ]---
RIP: 0010:do_last fs/namei.c:3205 [inline]
RIP: 0010:path_openat+0x281/0x2fb0 fs/namei.c:3476
Code: ff df 48 c1 ea 03 80 3c 02 00 0f 85 41 25 00 00 48 b8 00 00 00 00 00 fc ff df 49 8b 5c 24 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 39
RSP: 0018:ffffc900034e7b18 EFLAGS: 00010247
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff81c15759
RDX: 0000000000000000 RSI: ffffffff81c15766 RDI: 0000000000000004
RBP: ffffc900034e7c60 R08: ffff8880156f0240 R09: ffff8880156f0ad0
R10: fffffbfff14f55d8 R11: ffffffff8a7aaec7 R12: ffff88802c82a1a0
R13: ffff8880156f0240 R14: ffffc900034e7e60 R15: ffffc900034e7ca0
FS:  00007fc46396b700(0000) GS:ffff88802d100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000001a75130 CR3: 000000005c888000 CR4: 0000000000340ee0
DR0: 0000000020000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600