loop0: detected capacity change from 0 to 32768
BUG at fs/jfs/jfs_dmap.c:3009 assert(bitno < 32)
------------[ cut here ]------------
kernel BUG at fs/jfs/jfs_dmap.c:3009!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 5437 Comm: syz-executor.0 Not tainted 6.4.0-next-20230630-syzkaller-g6352a698ca5b #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023
RIP: 0010:dbFindBits+0x165/0x190 fs/jfs/jfs_dmap.c:3009
Code: c3 45 31 ed eb e8 e8 6a fe 96 fe 48 c7 c1 c0 bc a9 8a ba c1 0b 00 00 48 c7 c6 40 bb a9 8a 48 c7 c7 80 bb a9 8a e8 9b a6 7a fe <0f> 0b e8 44 fe 96 fe 48 c7 c1 80 bc a9 8a ba b2 0b 00 00 48 c7 c6
RSP: 0018:ffffc90005287018 EFLAGS: 00010282
RAX: 0000000000000030 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff81694e1c RDI: 0000000000000005
RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000080000000 R11: 0000000000000001 R12: 0000000000000001
R13: 0000000000000020 R14: 0000000000000000 R15: 0000000000000001
FS:  00007f88c15f8700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fad963ce378 CR3: 0000000016ed3000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 dbAllocDmapLev+0x236/0x2f0 fs/jfs/jfs_dmap.c:1975
 dbAllocCtl+0x131/0x7a0 fs/jfs/jfs_dmap.c:1815
 dbAllocAG+0x8da/0xdc0 fs/jfs/jfs_dmap.c:1356
 dbAlloc+0x411/0xab0 fs/jfs/jfs_dmap.c:880
 dtSplitUp+0x365/0x54c0 fs/jfs/jfs_dtree.c:974
 dtInsert+0x839/0xa70 fs/jfs/jfs_dtree.c:863
 jfs_create+0x602/0xb20 fs/jfs/namei.c:137
 lookup_open.isra.0+0x1050/0x1400 fs/namei.c:3492
 open_last_lookups fs/namei.c:3560 [inline]
 path_openat+0x969/0x2710 fs/namei.c:3790
 do_filp_open+0x1ba/0x410 fs/namei.c:3820
 do_sys_openat2+0x160/0x1c0 fs/open.c:1407
 do_sys_open fs/open.c:1422 [inline]
 __do_sys_open fs/open.c:1430 [inline]
 __se_sys_open fs/open.c:1426 [inline]
 __x64_sys_open+0x11d/0x1c0 fs/open.c:1426
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f88c088b5a9
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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f88c15f8168 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007f88c09abf80 RCX: 00007f88c088b5a9
RDX: 0000000000000000 RSI: 00000000000000f0 RDI: 0000000020000140
RBP: 00007f88c08e67b0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fffd8b65dcf R14: 00007f88c15f8300 R15: 0000000000022000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:dbFindBits+0x165/0x190 fs/jfs/jfs_dmap.c:3009
Code: c3 45 31 ed eb e8 e8 6a fe 96 fe 48 c7 c1 c0 bc a9 8a ba c1 0b 00 00 48 c7 c6 40 bb a9 8a 48 c7 c7 80 bb a9 8a e8 9b a6 7a fe <0f> 0b e8 44 fe 96 fe 48 c7 c1 80 bc a9 8a ba b2 0b 00 00 48 c7 c6
RSP: 0018:ffffc90005287018 EFLAGS: 00010282
RAX: 0000000000000030 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff81694e1c RDI: 0000000000000005
RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000080000000 R11: 0000000000000001 R12: 0000000000000001
R13: 0000000000000020 R14: 0000000000000000 R15: 0000000000000001
FS:  00007f88c15f8700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fad963ce378 CR3: 0000000016ed3000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400