ERROR: (device loop2): diAllocBit: iag inconsistent
ialloc: diAlloc returned -5!
BUG at fs/jfs/jfs_dmap.c:3036 assert(bitno < 32)
------------[ cut here ]------------
kernel BUG at fs/jfs/jfs_dmap.c:3036!
Internal error: Oops - BUG: 00000000f2000800 [#1]  SMP
Modules linked in:
CPU: 1 UID: 0 PID: 7184 Comm: syz.2.80 Not tainted syzkaller #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--)
pc : dbFindBits+0x1ac/0x1b0 fs/jfs/jfs_dmap.c:3036
lr : dbFindBits+0x1ac/0x1b0 fs/jfs/jfs_dmap.c:3036
sp : ffff8000a4aa7160
x29: ffff8000a4aa7160 x28: 00000000ffffffff x27: dfff800000000000
x26: ffff0001017f5800 x25: ffff0001017f5021 x24: 0000000000000000
x23: ffff80008fdfc5e0 x22: 0000000000000020 x21: 0000000000000001
x20: 00000000ffffffff x19: 0000000000000000 x18: 1fffe0003379be88
x17: ffff80008f7de000 x16: ffff80008b0156e8 x15: 0000000000000001
x14: 1fffe0001858c818 x13: 0000000000000000 x12: 0000000000000000
x11: ffff60001858c819 x10: 0000000000ff0100 x9 : f32a58d8038b2800
x8 : f32a58d8038b2800 x7 : ffff800080490a90 x6 : 0000000000000000
x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff800080483024
x2 : 0000000000000002 x1 : 0000000100000000 x0 : 0000000000000030
Call trace:
 dbFindBits+0x1ac/0x1b0 fs/jfs/jfs_dmap.c:3036 (P)
 dbAllocDmapLev+0x13c/0x36c fs/jfs/jfs_dmap.c:1985
 dbAllocCtl+0x130/0x8e0 fs/jfs/jfs_dmap.c:1825
 dbAllocAG+0x1c0/0xdc0 fs/jfs/jfs_dmap.c:1353
 dbAlloc+0x428/0x9dc fs/jfs/jfs_dmap.c:877
 dtSplitUp fs/jfs/jfs_dtree.c:982 [inline]
 dtInsert+0x87c/0x49c0 fs/jfs/jfs_dtree.c:871
 jfs_rename+0x75c/0x13d4 fs/jfs/namei.c:1225
 vfs_rename+0x934/0xce0 fs/namei.c:5129
 do_renameat2+0x614/0x8c8 fs/namei.c:5278
 __do_sys_renameat2 fs/namei.c:5312 [inline]
 __se_sys_renameat2 fs/namei.c:5309 [inline]
 __arm64_sys_renameat2+0xd8/0xf4 fs/namei.c:5309
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
 el0_svc+0x5c/0x254 arch/arm64/kernel/entry-common.c:744
 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596
Code: f004c403 91158063 52817b82 97945430 (d4210000) 
---[ end trace 0000000000000000 ]---