mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium
loop0: detected capacity change from 0 to 32768
=======================================================
WARNING: The mand mount option has been deprecated and
         and is ignored by this kernel. Remove the mand
         option from the mount to silence this warning.
=======================================================
JBD2: Ignoring recovery information on journal
ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode.
loop0: detected capacity change from 32768 to 0
VFS_BUG_ON_INODE(!S_ISDIR(inode->i_mode)): inode:ffff88801228a460 fs:ocfs2 mode:100000 opflags:0x2 flags:0x20 state:0x0 count:2
------------[ cut here ]------------
kernel BUG at fs/namei.c:687!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5317 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
RIP: 0010:lookup_inode_permission_may_exec fs/namei.c:687 [inline]
RIP: 0010:may_lookup fs/namei.c:1961 [inline]
RIP: 0010:link_path_walk+0x1904/0x1910 fs/namei.c:2604
Code: e8 81 6a 03 00 90 0f 0b e8 19 36 76 ff 45 89 fc e9 54 fd ff ff e8 0c 36 76 ff 4c 89 e7 48 c7 c6 40 d4 1f 8c e8 5d 6a 03 00 90 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc9000f4ef9f8 EFLAGS: 00010246
RAX: b5719f1a5b969200 RBX: ffffc9000f4efc58 RCX: b5719f1a5b969200
RDX: ffffc9000eb91000 RSI: 0000000000000835 RDI: 0000000000000836
RBP: 0000000000008000 R08: ffffc9000f4ef5e7 R09: 1ffff92001e9debc
R10: dffffc0000000000 R11: fffff52001e9debd R12: ffff88801228a460
R13: ffffc9000f4efc70 R14: 0000000000008000 R15: ffff8880124ca018
FS:  00007fc1a5c076c0(0000) GS:ffff88808c30a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8128b909c0 CR3: 000000001f622000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 path_openat+0x1c9/0x1d60 fs/namei.c:4996
 do_file_open+0x23e/0x4a0 fs/namei.c:5029
 do_sys_openat2+0x115/0x200 fs/open.c:1417
 do_sys_open fs/open.c:1423 [inline]
 __do_sys_openat fs/open.c:1439 [inline]
 __se_sys_openat fs/open.c:1434 [inline]
 __x64_sys_openat+0x138/0x170 fs/open.c:1434
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc1a4d9e159
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fc1a5c06fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fc1a5025fa0 RCX: 00007fc1a4d9e159
RDX: 000000000000275a RSI: 0000200000000040 RDI: ffffffffffffff9c
RBP: 00007fc1a4e35024 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fc1a5026038 R14: 00007fc1a5025fa0 R15: 00007fff76beef48
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:lookup_inode_permission_may_exec fs/namei.c:687 [inline]
RIP: 0010:may_lookup fs/namei.c:1961 [inline]
RIP: 0010:link_path_walk+0x1904/0x1910 fs/namei.c:2604
Code: e8 81 6a 03 00 90 0f 0b e8 19 36 76 ff 45 89 fc e9 54 fd ff ff e8 0c 36 76 ff 4c 89 e7 48 c7 c6 40 d4 1f 8c e8 5d 6a 03 00 90 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc9000f4ef9f8 EFLAGS: 00010246
RAX: b5719f1a5b969200 RBX: ffffc9000f4efc58 RCX: b5719f1a5b969200
RDX: ffffc9000eb91000 RSI: 0000000000000835 RDI: 0000000000000836
RBP: 0000000000008000 R08: ffffc9000f4ef5e7 R09: 1ffff92001e9debc
R10: dffffc0000000000 R11: fffff52001e9debd R12: ffff88801228a460
R13: ffffc9000f4efc70 R14: 0000000000008000 R15: ffff8880124ca018
FS:  00007fc1a5c076c0(0000) GS:ffff88808c30a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000003700 CR3: 000000001f622000 CR4: 0000000000352ef0