ERROR: (device loop3): diRead: i_ino != di_number
jfs_lookup: iget failed on inum 32
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] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 6874 Comm: syz.3.490 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026
pstate: 62400005 (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 : ffff8000211f7120
x29: ffff8000211f7120 x28: 0000000000000000 x27: dfff800000000000
x26: ffff0000ef130804 x25: ffff0000ef130021 x24: 0000000000000000
x23: ffff8000157cc210 x22: 0000000000000020 x21: 0000000000000001
x20: 00000000ffffffff x19: 0000000000000000 x18: 0000000000000000
x17: 0000000000000000 x16: ffff8000082d91a4 x15: 0000000000000002
x14: 0000000000000001 x13: 1fffe00033ea87a3 x12: 0000000000080000
x11: 000000000000ac11 x10: ffff800029b5e000 x9 : 53cf04ca31e63400
x8 : 53cf04ca31e63400 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff8000211f6bf8 x4 : ffff8000152f4cc0 x3 : ffff80000853854c
x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000030
Call trace:
 dbFindBits+0x1ac/0x1b0 fs/jfs/jfs_dmap.c:3036
 dbAllocDmapLev+0x13c/0x36c fs/jfs/jfs_dmap.c:1985
 dbAllocCtl+0x130/0x8d4 fs/jfs/jfs_dmap.c:1825
 dbAllocAG+0x1c0/0xdc0 fs/jfs/jfs_dmap.c:1353
 dbAlloc+0x428/0x9d0 fs/jfs/jfs_dmap.c:877
 dtSplitUp fs/jfs/jfs_dtree.c:982 [inline]
 dtInsert+0x898/0x5720 fs/jfs/jfs_dtree.c:871
 jfs_rename+0x7bc/0x14f8 fs/jfs/namei.c:1224
 vfs_rename+0x95c/0xde0 fs/namei.c:4882
 do_renameat2+0x744/0xa74 fs/namei.c:5035
 __do_sys_renameat2 fs/namei.c:5068 [inline]
 __se_sys_renameat2 fs/namei.c:5065 [inline]
 __arm64_sys_renameat2+0xe0/0xfc fs/namei.c:5065
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b4 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x58/0x130 arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x128 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
Code: f0043323 91198063 52817b82 959d522d (d4210000) 
---[ end trace 0000000000000000 ]---