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: 5844 Comm: syz-executor783 Not tainted 4.19.0-rc6+ #174
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:strlen+0x1f/0xa0 lib/string.c:479
Code: ff ff ff 0f 1f 84 00 00 00 00 00 48 b8 00 00 00 00 00 fc ff df 55 48 89 fa 48 89 e5 48 c1 ea 03 41 54 49 89 fc 53 48 83 ec 08 <0f> b6 04 02 48 89 fa 83 e2 07 38 d0 7f 04 84 c0 75 4d 41 80 3c 24
RSP: 0018:ffff8801c56d7978 EFLAGS: 00010296
RAX: dffffc0000000000 RBX: 0000000000000001 RCX: ffff8801d756a140
RDX: 0000000000000000 RSI: ffffffff81d2cccc RDI: 0000000000000000
RBP: ffff8801c56d7990 R08: ffff8801c1de01c0 R09: ffffed00389ab000
R10: fffff94000e26ac6 R11: ffffea0007135637 R12: 0000000000000000
R13: 0000000000000000 R14: ffffffff89f3ee98 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8801daf00000(0063) knlGS:0000000009cd5840
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 0000000020000000 CR3: 00000001d76cf000 CR4: 00000000001406e0
Call Trace:
 strlen include/linux/string.h:267 [inline]
 getname_kernel+0x24/0x370 fs/namei.c:218
 kern_path+0x1e/0x40 fs/namei.c:2434
 gfs2_mount_meta+0x85/0x2a0 fs/gfs2/ops_fstype.c:1336
 mount_fs+0xae/0x31d fs/super.c:1261
 vfs_kern_mount.part.35+0xdc/0x4f0 fs/namespace.c:961
 vfs_kern_mount fs/namespace.c:951 [inline]
 do_new_mount fs/namespace.c:2457 [inline]
 do_mount+0x581/0x31f0 fs/namespace.c:2787
 __do_compat_sys_mount fs/compat.c:125 [inline]
 __se_compat_sys_mount fs/compat.c:92 [inline]
 __ia32_compat_sys_mount+0x5d5/0x860 fs/compat.c:92
 do_syscall_32_irqs_on arch/x86/entry/common.c:326 [inline]
 do_fast_syscall_32+0x34d/0xfb2 arch/x86/entry/common.c:397
 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139
RIP: 0023:0xf7f12ca9
Code: 85 d2 74 02 89 0a 5b 5d c3 8b 04 24 c3 8b 0c 24 c3 8b 1c 24 c3 90 90 90 90 90 90 90 90 90 90 90 90 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 002b:00000000ffb5b27c EFLAGS: 00000286 ORIG_RAX: 0000000000000015
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000020000080
RDX: 0000000020000040 RSI: 0000000000000000 RDI: 00000000200000c0
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
Modules linked in:
---[ end trace 2744dcf12f71555c ]---
RIP: 0010:strlen+0x1f/0xa0 lib/string.c:479
Code: ff ff ff 0f 1f 84 00 00 00 00 00 48 b8 00 00 00 00 00 fc ff df 55 48 89 fa 48 89 e5 48 c1 ea 03 41 54 49 89 fc 53 48 83 ec 08 <0f> b6 04 02 48 89 fa 83 e2 07 38 d0 7f 04 84 c0 75 4d 41 80 3c 24
RSP: 0018:ffff8801c56d7978 EFLAGS: 00010296
RAX: dffffc0000000000 RBX: 0000000000000001 RCX: ffff8801d756a140
RDX: 0000000000000000 RSI: ffffffff81d2cccc RDI: 0000000000000000
RBP: ffff8801c56d7990 R08: ffff8801c1de01c0 R09: ffffed00389ab000
R10: fffff94000e26ac6 R11: ffffea0007135637 R12: 0000000000000000
R13: 0000000000000000 R14: ffffffff89f3ee98 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8801daf00000(0063) knlGS:0000000009cd5840
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 0000000020000000 CR3: 00000001d76cf000 CR4: 00000000001406e0