BUG at fs/jfs/jfs_dmap.c:3028 assert(bitno < 32)
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kernel BUG at fs/jfs/jfs_dmap.c:3028!
Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 8223 Comm: syz-executor.2 Not tainted 6.1.85-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : dbFindBits+0x1e0/0x1e4 fs/jfs/jfs_dmap.c:3028
lr : dbFindBits+0x1e0/0x1e4 fs/jfs/jfs_dmap.c:3028
sp : ffff80001e317010
x29: ffff80001e317010 x28: 00000000ffffffff x27: 1ffff00003c62e0c
x26: dfff800000000000 x25: 0000000000000000 x24: 0000000000000000
x23: ffff800015ddeb30 x22: 0000000000000020 x21: 0000000000000000
x20: 0000000000000001 x19: 0000000000000000 x18: 1fffe0003686f976
x17: ffff80001583d000 x16: ffff800012152bd4 x15: ffff0001b437cbbc
x14: 1ffff00002b080b0 x13: dfff800000000000 x12: 0000000000040000
x11: 000000000001d108 x10: ffff800027596000 x9 : 60c204a93ffb4a00
x8 : 60c204a93ffb4a00 x7 : ffff80000827c8d4 x6 : 0000000000000000
x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff80000aa8f2ac
x2 : ffff0001b437ccd0 x1 : 0000000100000000 x0 : 0000000000000030
Call trace:
 dbFindBits+0x1e0/0x1e4 fs/jfs/jfs_dmap.c:3028
 dbAllocDmapLev+0x194/0x414 fs/jfs/jfs_dmap.c:1983
 dbAllocCtl+0x104/0x844 fs/jfs/jfs_dmap.c:1823
 dbAllocAG+0x208/0xe4c fs/jfs/jfs_dmap.c:1364
 dbAlloc+0x520/0xb68 fs/jfs/jfs_dmap.c:888
 dtSplitUp fs/jfs/jfs_dtree.c:979 [inline]
 dtInsert+0xab0/0x54f4 fs/jfs/jfs_dtree.c:868
 jfs_create+0x698/0xa1c fs/jfs/namei.c:137
 vfs_create+0x2cc/0x434 fs/namei.c:3186
 do_mknodat+0x390/0x610 fs/namei.c:4037
 __do_sys_mknodat fs/namei.c:4065 [inline]
 __se_sys_mknodat fs/namei.c:4062 [inline]
 __arm64_sys_mknodat+0xb0/0xcc fs/namei.c:4062
 __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:142
 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206
 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: d00463a3 91000063 52817a82 959623f0 (d4210000) 
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