BFS-fs: bfs_fill_super(): No BFS filesystem on loop5 (magic=00000000)
BUG: unable to handle kernel paging request at ffffffffffffff80
PGD 9e6e067 P4D 9e6e067 PUD 9e70067 PMD 0 
Oops: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 11023 Comm: syz-executor.4 Not tainted 4.19.188-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:diFree+0x141/0x29c0 fs/jfs/jfs_imap.c:866
Code: 28 48 8d 78 80 48 89 44 24 10 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 13 22 00 00 48 8b 44 24 10 <48> 8b 68 80 48 8b 44 24 18 4c 8d 6d 04 48 c1 e8 0c 4c 89 ea 48 c1
RSP: 0018:ffff88803f44f930 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff8880a2569300 RCX: ffffc9000e586000
RDX: 1ffffffffffffff0 RSI: ffffffff8274a672 RDI: ffffffffffffff80
RBP: ffff88803a5cbb68 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: ffff88803a5cbb68
R13: ffff88803a5cbb90 R14: ffffffff889ad700 R15: ffff888022d28fb8
FS:  00007f286c1da700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffff80 CR3: 0000000020691000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 jfs_evict_inode+0x126/0x170 fs/jfs/inode.c:164
 evict+0x2ed/0x760 fs/inode.c:559
 iput_final fs/inode.c:1555 [inline]
 iput+0x4f1/0x860 fs/inode.c:1581
 diFreeSpecial fs/jfs/jfs_imap.c:563 [inline]
 diFreeSpecial+0x63/0x80 fs/jfs/jfs_imap.c:555
 jfs_mount+0x23f/0x3d0 fs/jfs/jfs_mount.c:223
 jfs_fill_super+0x55c/0xb50 fs/jfs/super.c:589
 mount_bdev+0x2fc/0x3b0 fs/super.c:1158
 mount_fs+0xa3/0x310 fs/super.c:1261
 vfs_kern_mount.part.0+0x68/0x470 fs/namespace.c:961
 vfs_kern_mount fs/namespace.c:951 [inline]
 do_new_mount fs/namespace.c:2469 [inline]
 do_mount+0x113c/0x2f10 fs/namespace.c:2799
 ksys_mount+0xcf/0x130 fs/namespace.c:3015
 __do_sys_mount fs/namespace.c:3029 [inline]
 __se_sys_mount fs/namespace.c:3026 [inline]
 __x64_sys_mount+0xba/0x150 fs/namespace.c:3026
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x46797a
Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f286c1d9fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046797a
RDX: 0000000020000000 RSI: 0000000020000040 RDI: 00007f286c1da000
RBP: 00007f286c1da040 R08: 00007f286c1da040 R09: 0000000020000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000
R13: 0000000020000040 R14: 00007f286c1da000 R15: 00000000200000c0
Modules linked in:
CR2: ffffffffffffff80
---[ end trace ab81d8cf8ef6f6ae ]---
RIP: 0010:diFree+0x141/0x29c0 fs/jfs/jfs_imap.c:866
Code: 28 48 8d 78 80 48 89 44 24 10 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 13 22 00 00 48 8b 44 24 10 <48> 8b 68 80 48 8b 44 24 18 4c 8d 6d 04 48 c1 e8 0c 4c 89 ea 48 c1
RSP: 0018:ffff88803f44f930 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff8880a2569300 RCX: ffffc9000e586000
RDX: 1ffffffffffffff0 RSI: ffffffff8274a672 RDI: ffffffffffffff80
RBP: ffff88803a5cbb68 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: ffff88803a5cbb68
R13: ffff88803a5cbb90 R14: ffffffff889ad700 R15: ffff888022d28fb8
FS:  00007f286c1da700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffff80 CR3: 0000000020691000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600