REISERFS (device loop0): Using r5 hash to sort names
REISERFS (device loop0): using 3.5.x disk format
REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage.
------------[ cut here ]------------
kernel BUG at fs/reiserfs/journal.c:505!
Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 4879 Comm: syz.0.15 Not tainted 5.15.185-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : reiserfs_in_journal+0x974/0x978 fs/reiserfs/journal.c:505
lr : reiserfs_in_journal+0x974/0x978 fs/reiserfs/journal.c:505
sp : ffff80001f2c6d10
x29: ffff80001f2c6d40 x28: ffff80001f119000 x27: 1fffe0001a2478cf
x26: dfff800000000000 x25: 0000000000000000 x24: 0000000000000000
x23: ffff80001bee9048 x22: ffff80001bee9050 x21: 0000000000000213
x20: ffff0000d123c678 x19: ffff0000d123c000 x18: 0000000000000000
x17: 0000000000000000 x16: ffff8000082bdf08 x15: 0000000000000002
x14: 0000000000ff0100 x13: ffffffffffffffff x12: 0000000000ff0100
x11: 0000000000000000 x10: 0000000000000000 x9 : ffff800008c213ec
x8 : ffff0000c8621b40 x7 : 0000000000000000 x6 : 0000000000000000
x5 : 0000000000000000 x4 : ffff80001f2c6e50 x3 : 0000000000000001
x2 : 0000000000000213 x1 : 0000000000000213 x0 : 0000000000000213
Call trace:
 reiserfs_in_journal+0x974/0x978 fs/reiserfs/journal.c:505
 is_block_in_journal fs/reiserfs/bitmap.c:125 [inline]
 scan_bitmap_block+0x264/0xc10 fs/reiserfs/bitmap.c:188
 scan_bitmap fs/reiserfs/bitmap.c:408 [inline]
 allocate_without_wrapping_disk fs/reiserfs/bitmap.c:1161 [inline]
 blocknrs_and_prealloc_arrays_from_search_start fs/reiserfs/bitmap.c:1274 [inline]
 reiserfs_allocate_blocknrs+0x247c/0x4134 fs/reiserfs/bitmap.c:1375
 _allocate_block fs/reiserfs/inode.c:-1 [inline]
 reiserfs_get_block+0x1dd8/0x34b0 fs/reiserfs/inode.c:764
 __block_write_begin_int+0x3e4/0x1588 fs/buffer.c:2012
 __block_write_begin+0x40/0x54 fs/buffer.c:2062
 reiserfs_write_begin+0x3c8/0x654 fs/reiserfs/inode.c:2790
 generic_perform_write+0x204/0x480 mm/filemap.c:3785
 __generic_file_write_iter+0x23c/0x454 mm/filemap.c:3912
 generic_file_write_iter+0xb0/0x1b4 mm/filemap.c:3944
 call_write_iter include/linux/fs.h:2172 [inline]
 new_sync_write fs/read_write.c:507 [inline]
 vfs_write+0x7c8/0xa2c fs/read_write.c:594
 ksys_write+0x120/0x210 fs/read_write.c:647
 __do_sys_write fs/read_write.c:659 [inline]
 __se_sys_write fs/read_write.c:656 [inline]
 __arm64_sys_write+0x7c/0x90 fs/read_write.c:656
 __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+0x78/0x1e0 arch/arm64/kernel/entry-common.c:608
 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
Code: 97f0ac95 aa1303e0 17ffff82 97e15d8d (d4210000) 
---[ end trace fc878e61b140d2b5 ]---