loop2: detected capacity change from 0 to 32768
BUG at fs/jfs/jfs_dmap.c:3030 assert(bitno < 32)
------------[ cut here ]------------
kernel BUG at fs/jfs/jfs_dmap.c:3030!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI
CPU: 0 UID: 0 PID: 15250 Comm: syz.2.2167 Not tainted 6.10.0-rc6-next-20240703-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
RIP: 0010:dbFindBits+0x1ce/0x1d0 fs/jfs/jfs_dmap.c:3030
Code: 69 08 90 0f 0b e8 62 5d 6f fe 48 c7 c7 60 ee 02 8c 48 c7 c6 a0 eb 02 8c ba d6 0b 00 00 48 c7 c1 40 f6 02 8c e8 13 f8 69 08 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:ffffc9000d4b6e40 EFLAGS: 00010246
RAX: 0000000000000030 RBX: 0000000000000000 RCX: 98790346fb9b3500
RDX: ffffc9000db7e000 RSI: 00000000000076a1 RDI: 00000000000076a2
RBP: 0000000000000020 R08: ffffffff8173a299 R09: fffffbfff1c39b64
R10: dffffc0000000000 R11: fffffbfff1c39b64 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  00007f6d2e7ff6c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6d24a3f000 CR3: 000000005eb54000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 dbAllocDmapLev+0x1e9/0x4a0 fs/jfs/jfs_dmap.c:1985
 dbAllocCtl+0x113/0x920 fs/jfs/jfs_dmap.c:1825
 dbAllocAG+0x28f/0x10b0 fs/jfs/jfs_dmap.c:1364
 dbAlloc+0x658/0xca0 fs/jfs/jfs_dmap.c:888
 dtSplitUp fs/jfs/jfs_dtree.c:981 [inline]
 dtInsert+0xd7a/0x6c10 fs/jfs/jfs_dtree.c:870
 jfs_create+0x7ba/0xbb0 fs/jfs/namei.c:137
 lookup_open fs/namei.c:3535 [inline]
 open_last_lookups fs/namei.c:3604 [inline]
 path_openat+0x1a9a/0x3470 fs/namei.c:3840
 do_filp_open+0x235/0x490 fs/namei.c:3870
 do_sys_openat2+0x13e/0x1d0 fs/open.c:1416
 do_sys_open fs/open.c:1431 [inline]
 __do_sys_creat fs/open.c:1507 [inline]
 __se_sys_creat fs/open.c:1501 [inline]
 __x64_sys_creat+0x123/0x170 fs/open.c:1501
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f6d2ed75bd9
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:00007f6d2e7ff048 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
RAX: ffffffffffffffda RBX: 00007f6d2ef04038 RCX: 00007f6d2ed75bd9
RDX: 0000000000000000 RSI: 34743b1574e945e5 RDI: 0000000020000100
RBP: 00007f6d2ede4aa1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f6d2ef04038 R15: 00007fffd0f1fcc8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:dbFindBits+0x1ce/0x1d0 fs/jfs/jfs_dmap.c:3030
Code: 69 08 90 0f 0b e8 62 5d 6f fe 48 c7 c7 60 ee 02 8c 48 c7 c6 a0 eb 02 8c ba d6 0b 00 00 48 c7 c1 40 f6 02 8c e8 13 f8 69 08 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:ffffc9000d4b6e40 EFLAGS: 00010246
RAX: 0000000000000030 RBX: 0000000000000000 RCX: 98790346fb9b3500
RDX: ffffc9000db7e000 RSI: 00000000000076a1 RDI: 00000000000076a2
RBP: 0000000000000020 R08: ffffffff8173a299 R09: fffffbfff1c39b64
R10: dffffc0000000000 R11: fffffbfff1c39b64 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  00007f6d2e7ff6c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6d24a3f000 CR3: 000000005eb54000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400