loop0: detected capacity change from 0 to 32768
BUG at fs/jfs/jfs_dmap.c:3010 assert(bitno < 32)
------------[ cut here ]------------
kernel BUG at fs/jfs/jfs_dmap.c:3010!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 5452 Comm: syz-executor.0 Not tainted 6.6.0-rc1-next-20230911-syzkaller-01095-g7bc675554773 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
RIP: 0010:dbFindBits+0x140/0x170 fs/jfs/jfs_dmap.c:3010
Code: c3 45 31 ed eb ea e8 af 61 90 fe 48 c7 c1 40 b7 ca 8a ba c2 0b 00 00 48 c7 c6 c0 b5 ca 8a 48 c7 c7 00 b6 ca 8a e8 70 7d 73 fe <0f> 0b e8 89 61 90 fe 48 c7 c1 00 b7 ca 8a ba b3 0b 00 00 48 c7 c6
RSP: 0018:ffffc90005ae6fa0 EFLAGS: 00010282
RAX: 0000000000000030 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff816ba302 RDI: 0000000000000005
RBP: 0000000000000001 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000080000000 R11: 0000000000000001 R12: 0000000000000001
R13: 0000000000000020 R14: 00000000ffffffff R15: 0000000000000000
FS:  00007f5ff23cf6c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5ff1798000 CR3: 00000000732f0000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 dbAllocDmapLev+0x23b/0x2f0 fs/jfs/jfs_dmap.c:1976
 dbAllocCtl+0x12c/0x7b0 fs/jfs/jfs_dmap.c:1816
 dbAllocAG+0x8c5/0xd20 fs/jfs/jfs_dmap.c:1357
 dbAlloc+0x415/0xaa0 fs/jfs/jfs_dmap.c:881
 dtSplitUp+0x3f3/0x5850 fs/jfs/jfs_dtree.c:974
 dtInsert+0x872/0xb00 fs/jfs/jfs_dtree.c:863
 jfs_create+0x63c/0xb10 fs/jfs/namei.c:137
 lookup_open.isra.0+0x1049/0x1360 fs/namei.c:3495
 open_last_lookups fs/namei.c:3563 [inline]
 path_openat+0x931/0x29c0 fs/namei.c:3793
 do_filp_open+0x1de/0x430 fs/namei.c:3823
 do_sys_openat2+0x176/0x1e0 fs/open.c:1422
 do_sys_open fs/open.c:1437 [inline]
 __do_sys_open fs/open.c:1445 [inline]
 __se_sys_open fs/open.c:1441 [inline]
 __x64_sys_open+0x154/0x1e0 fs/open.c:1441
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f5ff167ad39
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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f5ff23cf0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007f5ff179bf80 RCX: 00007f5ff167ad39
RDX: 0000000000000000 RSI: 00000000000000f0 RDI: 0000000020000140
RBP: 00007f5ff16d7797 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f5ff179bf80 R15: 00007ffc87f90058
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:dbFindBits+0x140/0x170 fs/jfs/jfs_dmap.c:3010
Code: c3 45 31 ed eb ea e8 af 61 90 fe 48 c7 c1 40 b7 ca 8a ba c2 0b 00 00 48 c7 c6 c0 b5 ca 8a 48 c7 c7 00 b6 ca 8a e8 70 7d 73 fe <0f> 0b e8 89 61 90 fe 48 c7 c1 00 b7 ca 8a ba b3 0b 00 00 48 c7 c6
RSP: 0018:ffffc90005ae6fa0 EFLAGS: 00010282
RAX: 0000000000000030 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff816ba302 RDI: 0000000000000005
RBP: 0000000000000001 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000080000000 R11: 0000000000000001 R12: 0000000000000001
R13: 0000000000000020 R14: 00000000ffffffff R15: 0000000000000000
FS:  00007f5ff23cf6c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055d62a1e0950 CR3: 00000000732f0000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400