BUG at fs/jfs/jfs_dmap.c:3036 assert(bitno < 32)
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kernel BUG at fs/jfs/jfs_dmap.c:3036!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 0 UID: 0 PID: 8485 Comm: syz.7.468 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: cc fd 90 0f 0b e8 e2 2f 6a fe 48 c7 c7 60 27 0b 8c 48 c7 c6 a0 24 0b 8c ba dc 0b 00 00 48 c7 c1 a0 2f 0b 8c e8 63 3c cc 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:ffffc900035d7488 EFLAGS: 00010246
RAX: 0000000000000030 RBX: 0000000000000002 RCX: 98981d7822828600
RDX: ffffc9002bd30000 RSI: 0000000000000a6c RDI: 0000000000000a6d
RBP: 00000000ffffffff R08: ffffc900035d7207 R09: 1ffff920006bae40
R10: dffffc0000000000 R11: fffff520006bae41 R12: 0000000000000004
R13: 0000000000000000 R14: 0000000000000004 R15: 0000000000000020
FS:  00007fc5934a96c0(0000) GS:ffff88818de57000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc5934a8ff8 CR3: 00000001a0fd6000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 dbAllocDmapLev+0x16b/0x3c0
 dbAllocCtl+0x14a/0x9c0
 dbAllocAG+0x1e6/0xff0
 dbAlloc+0x5ab/0xba0
 diNewExt+0x9b0/0x3150
 diAllocAG+0xeb1/0x1db0
 diAlloc+0x1d5/0x1680
 ialloc+0x8c/0x8f0
 jfs_mkdir+0x1e1/0xb00
 vfs_mkdir+0x413/0x630
 filename_mkdirat+0x285/0x510
 __se_sys_mkdir+0x34/0x150
 do_syscall_64+0x14d/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc59259c819
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:00007fc5934a9028 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
RAX: ffffffffffffffda RBX: 00007fc592816090 RCX: 00007fc59259c819
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000200000000300
RBP: 00007fc592632c91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fc592816128 R14: 00007fc592816090 R15: 00007ffed984bf88
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:dbFindBits+0x19e/0x1a0
Code: cc fd 90 0f 0b e8 e2 2f 6a fe 48 c7 c7 60 27 0b 8c 48 c7 c6 a0 24 0b 8c ba dc 0b 00 00 48 c7 c1 a0 2f 0b 8c e8 63 3c cc 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:ffffc900035d7488 EFLAGS: 00010246
RAX: 0000000000000030 RBX: 0000000000000002 RCX: 98981d7822828600
RDX: ffffc9002bd30000 RSI: 0000000000000a6c RDI: 0000000000000a6d
RBP: 00000000ffffffff R08: ffffc900035d7207 R09: 1ffff920006bae40
R10: dffffc0000000000 R11: fffff520006bae41 R12: 0000000000000004
R13: 0000000000000000 R14: 0000000000000004 R15: 0000000000000020
FS:  00007fc5934a96c0(0000) GS:ffff88818de57000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000040 CR3: 00000001a0fd6000 CR4: 00000000000006f0
