BUG at fs/jfs/jfs_dmap.c:3105 assert(bitno < 32)
------------[ cut here ]------------
kernel BUG at fs/jfs/jfs_dmap.c:3105!
Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 4973 Comm: syz.4.206 Not tainted 5.15.178-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : dbFindBits+0x1e0/0x1e4 fs/jfs/jfs_dmap.c:3105
lr : dbFindBits+0x1e0/0x1e4 fs/jfs/jfs_dmap.c:3105
sp : ffff8000202d71f0
x29: ffff8000202d71f0 x28: 00000000ffffffff x27: 1ffff0000405ae48
x26: dfff800000000000 x25: 0000000000000000 x24: 0000000000000000
x23: ffff8000150db890 x22: 0000000000000020 x21: 0000000000000000
x20: 0000000000000001 x19: 0000000000000000 x18: 1fffe0003682eb8e
x17: 1fffe0003682eb8e x16: ffff800011b4e3fc x15: ffff800014c0fac0
x14: 1ffff0000296e06c x13: dfff800000000000 x12: 0000000000080000
x11: 000000000001bc60 x10: ffff80002725a000 x9 : 667f7c745d826a00
x8 : 667f7c745d826a00 x7 : 0000000000000000 x6 : 0000000000000000
x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000aa0f0fc
x2 : ffff0001b4175d10 x1 : 0000000100000000 x0 : 0000000000000030
Call trace:
 dbFindBits+0x1e0/0x1e4 fs/jfs/jfs_dmap.c:3105
 dbAllocDmapLev+0x194/0x414 fs/jfs/jfs_dmap.c:2054
 dbAllocCtl+0x12c/0x8c4 fs/jfs/jfs_dmap.c:1894
 dbAllocAG+0x208/0xe4c fs/jfs/jfs_dmap.c:1432
 dbAlloc+0x4b0/0xa18 fs/jfs/jfs_dmap.c:888
 xtInsert+0x92c/0xd28 fs/jfs/jfs_xtree.c:578
 jfs_symlink+0x820/0xf1c fs/jfs/namei.c:988
 vfs_symlink+0x244/0x3a8 fs/namei.c:4429
 do_symlinkat+0x364/0x6b0 fs/namei.c:4458
 __do_sys_symlinkat fs/namei.c:4475 [inline]
 __se_sys_symlinkat fs/namei.c:4472 [inline]
 __arm64_sys_symlinkat+0xa4/0xbc fs/namei.c:4472
 __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: d0043523 91348063 52818422 95971084 (d4210000) 
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