read_mapping_page failed!
ERROR: (device loop6): txCommit: 
BUG at fs/jfs/jfs_dmap.c:3036 assert(bitno < 32)
------------[ cut here ]------------
kernel BUG at fs/jfs/jfs_dmap.c:3036!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 0 UID: 0 PID: 11589 Comm: syz.6.1133 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:dbFindBits+0x19e/0x1a0
Code: e8 fd 90 0f 0b e8 62 c4 80 fe 48 c7 c7 00 e3 c3 8b 48 c7 c6 40 e0 c3 8b ba dc 0b 00 00 48 c7 c1 e0 ea c3 8b e8 53 b6 e8 fd 90 <0f> 0b 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55 41 57 41
RSP: 0018:ffffc90002e4f188 EFLAGS: 00010246
RAX: 0000000000000030 RBX: 0000000000000000 RCX: 8dd002cd1fa1d100
RDX: ffffc90003ad9000 RSI: 0000000000001a26 RDI: 0000000000001a27
RBP: 00000000ffffffff R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff1bfa22c R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000020
FS:  00007f7111a006c0(0000) GS:ffff8880b8613000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055683b1fd000 CR3: 00000000417e4000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 dbAllocDmapLev+0x16b/0x3c0
 dbAllocCtl+0x14a/0x9c0
 dbAllocAG+0x1e6/0xff0
 dbAlloc+0x5a8/0xba0
 dtInsert+0xad5/0x5f40
 jfs_create+0x6c8/0xa80
 path_openat+0x14f4/0x3830
 do_filp_open+0x1fa/0x410
 do_sys_openat2+0x121/0x1c0
 __x64_sys_creat+0x8f/0xc0
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f7110b8ec29
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:00007f7111a00038 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
RAX: ffffffffffffffda RBX: 00007f7110dd5fa0 RCX: 00007f7110b8ec29
RDX: 0000000000000000 RSI: 0000000000000182 RDI: 0000200000000300
RBP: 00007f7110c11e41 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f7110dd6038 R14: 00007f7110dd5fa0 R15: 00007fff056227e8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:dbFindBits+0x19e/0x1a0
Code: e8 fd 90 0f 0b e8 62 c4 80 fe 48 c7 c7 00 e3 c3 8b 48 c7 c6 40 e0 c3 8b ba dc 0b 00 00 48 c7 c1 e0 ea c3 8b e8 53 b6 e8 fd 90 <0f> 0b 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55 41 57 41
RSP: 0018:ffffc90002e4f188 EFLAGS: 00010246
RAX: 0000000000000030 RBX: 0000000000000000 RCX: 8dd002cd1fa1d100
RDX: ffffc90003ad9000 RSI: 0000000000001a26 RDI: 0000000000001a27
RBP: 00000000ffffffff R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff1bfa22c R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000020
FS:  00007f7111a006c0(0000) GS:ffff8880b8613000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c41516a CR3: 00000000417e4000 CR4: 00000000000006f0
