BUG at fs/jfs/jfs_dmap.c:3096 assert(bitno < 32)
------------[ cut here ]------------
kernel BUG at fs/jfs/jfs_dmap.c:3096!
Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 6914 Comm: syz.3.664 Not tainted 5.15.167-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : dbFindBits+0x1e0/0x1e4 fs/jfs/jfs_dmap.c:3096
lr : dbFindBits+0x1e0/0x1e4 fs/jfs/jfs_dmap.c:3096
sp : ffff800020d06ff0
x29: ffff800020d06ff0 x28: 00000000ffffffff x27: 1ffff000041a0e08
x26: dfff800000000000 x25: 0000000000000000 x24: 0000000000000000
x23: ffff80001501b910 x22: 0000000000000020 x21: 0000000000000000
x20: 0000000000000001 x19: 0000000000000000 x18: 0000000000000001
x17: 0000000000000002 x16: ffff800011ac23e0 x15: 00000000ffffffff
x14: ffff0000c82f51c0 x13: 0000000000000001 x12: 0000000000040000
x11: 0000000000016eb1 x10: ffff8000230da000 x9 : 6c62f22f876e0f00
x8 : 6c62f22f876e0f00 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff800020d06758 x4 : ffff800014b9fae0 x3 : ffff80000a987d1c
x2 : ffff0001b41aed10 x1 : 0000000100000000 x0 : 0000000000000030
Call trace:
 dbFindBits+0x1e0/0x1e4 fs/jfs/jfs_dmap.c:3096
 dbAllocDmapLev+0x194/0x414 fs/jfs/jfs_dmap.c:2051
 dbAllocCtl+0x104/0x878 fs/jfs/jfs_dmap.c:1891
 dbAllocAG+0x208/0xe4c fs/jfs/jfs_dmap.c:1432
 dbAlloc+0x4b0/0xa18 fs/jfs/jfs_dmap.c:888
 dtSplitUp fs/jfs/jfs_dtree.c:979 [inline]
 dtInsert+0xaa0/0x5534 fs/jfs/jfs_dtree.c:868
 jfs_mknod+0x628/0x930 fs/jfs/namei.c:1408
 vfs_mknod+0x3c8/0x448 fs/namei.c:3944
 do_mknodat+0x3c8/0x694
 __do_sys_mknodat fs/namei.c:4022 [inline]
 __se_sys_mknodat fs/namei.c:4019 [inline]
 __arm64_sys_mknodat+0xb0/0xcc fs/namei.c:4019
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608
 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
Code: 90043483 910d0063 52818302 95996f66 (d4210000) 
---[ end trace 8280a2e390d80564 ]---