loop0: 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!
Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 5226 Comm: syz.0.222 Not tainted 6.1.111-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:3030
lr : dbFindBits+0x1e0/0x1e4 fs/jfs/jfs_dmap.c:3030
sp : ffff800022e96b90
x29: ffff800022e96b90 x28: 00000000ffffffff x27: 1ffff000045d2d7c
x26: dfff800000000000 x25: 0000000000000000 x24: 0000000000000000
x23: ffff800015f71790 x22: 0000000000000020 x21: 0000000000000000
x20: 0000000000000001 x19: 0000000000000000 x18: ffff800022e960e0
x17: 0000000000000000 x16: ffff800012297edc x15: 0000000000000002
x14: 00000000ffffffff x13: 0000000000000001 x12: 0000000000040000
x11: 000000000000bfe8 x10: ffff8000218f9000 x9 : 2aac3b08da6c9d00
x8 : 2aac3b08da6c9d00 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff800022e96498 x4 : ffff800015ab2d80 x3 : ffff80000aaaa12c
x2 : ffff0001b3d19cd0 x1 : 0000000100000000 x0 : 0000000000000030
Call trace:
 dbFindBits+0x1e0/0x1e4 fs/jfs/jfs_dmap.c:3030
 dbAllocDmapLev+0x194/0x414 fs/jfs/jfs_dmap.c:1985
 dbAllocCtl+0x104/0x844 fs/jfs/jfs_dmap.c:1825
 dbAllocAG+0x208/0xe4c fs/jfs/jfs_dmap.c:1364
 dbAlloc+0x520/0xb68 fs/jfs/jfs_dmap.c:888
 dtSplitUp fs/jfs/jfs_dtree.c:981 [inline]
 dtInsert+0xb18/0x573c fs/jfs/jfs_dtree.c:870
 jfs_create+0x698/0xa1c fs/jfs/namei.c:137
 lookup_open fs/namei.c:3484 [inline]
 open_last_lookups fs/namei.c:3552 [inline]
 path_openat+0xeac/0x2548 fs/namei.c:3782
 do_filp_open+0x1bc/0x3cc fs/namei.c:3812
 do_sys_openat2+0x128/0x3e0 fs/open.c:1318
 do_sys_open fs/open.c:1334 [inline]
 __do_sys_openat fs/open.c:1350 [inline]
 __se_sys_openat fs/open.c:1345 [inline]
 __arm64_sys_openat+0x1f0/0x240 fs/open.c:1345
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x168 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: b0046d23 91180063 52817ac2 9595f0a4 (d4210000) 
---[ end trace 0000000000000000 ]---