MTD: Attempt to mount non-MTD device "/dev/loop0"
VFS_BUG_ON_INODE(!IS_ANON_FILE(inode)) encountered for inode ffff8880118af740 (cramfs)
------------[ cut here ]------------
kernel BUG at fs/namei.c:3474!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 0 UID: 0 PID: 13525 Comm: syz.0.1288 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:may_open+0x4b1/0x4c0
Code: 38 c1 0f 8c 1e fd ff ff 4c 89 e7 e8 59 c5 eb ff e9 11 fd ff ff e8 9f c3 87 ff 4c 89 f7 48 c7 c6 c0 4a b9 8b e8 e0 4c f0 fe 90 <0f> 0b 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90
RSP: 0018:ffffc90004137940 EFLAGS: 00010246
RAX: 0000000000000056 RBX: dffffc0000000000 RCX: e20e3546ea3e0f00
RDX: ffffc90008d11000 RSI: 0000000000000650 RDI: 0000000000000651
RBP: 0000000000008241 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff1c3a66c R12: 0000000000000000
R13: ffffffff8e498c80 R14: ffff8880118af740 R15: 0000000000000002
FS:  00007f6f6a2d26c0(0000) GS:ffff8880b83f1000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000001008 CR3: 000000011fdd8000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 path_openat+0x2d91/0x3830
 do_filp_open+0x1fa/0x410
 do_sys_openat2+0x121/0x1c0
 __x64_sys_creat+0x8f/0xc0
 do_syscall_64+0xfa/0xfa0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f6f6938eba9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f6f6a2d2038 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
RAX: ffffffffffffffda RBX: 00007f6f695d5fa0 RCX: 00007f6f6938eba9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000200000000440
RBP: 00007f6f69411e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f6f695d6038 R14: 00007f6f695d5fa0 R15: 00007ffe17354d38
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:may_open+0x4b1/0x4c0
Code: 38 c1 0f 8c 1e fd ff ff 4c 89 e7 e8 59 c5 eb ff e9 11 fd ff ff e8 9f c3 87 ff 4c 89 f7 48 c7 c6 c0 4a b9 8b e8 e0 4c f0 fe 90 <0f> 0b 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90
RSP: 0018:ffffc90004137940 EFLAGS: 00010246
RAX: 0000000000000056 RBX: dffffc0000000000 RCX: e20e3546ea3e0f00
RDX: ffffc90008d11000 RSI: 0000000000000650 RDI: 0000000000000651
RBP: 0000000000008241 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff1c3a66c R12: 0000000000000000
R13: ffffffff8e498c80 R14: ffff8880118af740 R15: 0000000000000002
FS:  00007f6f6a2d26c0(0000) GS:ffff8880b83f1000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000001008 CR3: 000000011fdd8000 CR4: 00000000000006f0
