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kernel BUG at fs/reiserfs/item_ops.c:569!
Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 8076 Comm: syz.0.917 Not tainted 6.1.131-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : direntry_check_right+0x224/0x230 fs/reiserfs/item_ops.c:561
lr : direntry_check_right+0x224/0x230 fs/reiserfs/item_ops.c:561
sp : ffff800021386950
x29: ffff800021386950 x28: dfff800000000000 x27: 1ffff00004270dfe
x26: 0000000000000018 x25: 0000000000000002 x24: 00000000fffffffe
x23: dfff800000000000 x22: 0000000000000090 x21: 0000000000000014
x20: 0000000000000003 x19: ffff0000d4e60198 x18: ffff800021386bde
x17: ffff800008a7bfe0 x16: ffff800012275c40 x15: 0000000000000002
x14: 0000000000000070 x13: ffff0000d6925340 x12: 0000000000080000
x11: 00000000000051c5 x10: ffff8000222fb000 x9 : ffff800008dcec58
x8 : 00000000000051c6 x7 : 0000000000000000 x6 : 000000000000003f
x5 : 0000000000000040 x4 : ffffffffffffffd0 x3 : 00000000ffffffe8
x2 : 00000000000002dc x1 : 0000000000000090 x0 : 00000000000000a4
Call trace:
 direntry_check_right+0x224/0x230 fs/reiserfs/item_ops.c:561
 check_right+0x400/0x644 fs/reiserfs/fix_node.c:355
 dc_check_balance_leaf fs/reiserfs/fix_node.c:1983 [inline]
 dc_check_balance fs/reiserfs/fix_node.c:2039 [inline]
 check_balance fs/reiserfs/fix_node.c:2086 [inline]
 fix_nodes+0x27e4/0x7078 fs/reiserfs/fix_node.c:2635
 reiserfs_cut_from_item+0x330/0x1c98 fs/reiserfs/stree.c:1742
 reiserfs_rename+0x1780/0x1c88 fs/reiserfs/namei.c:1628
 vfs_rename+0xac8/0xe04 fs/namei.c:4874
 do_renameat2+0x9ec/0xe64 fs/namei.c:5027
 __do_sys_renameat2 fs/namei.c:5060 [inline]
 __se_sys_renameat2 fs/namei.c:5057 [inline]
 __arm64_sys_renameat2+0xe0/0xfc fs/namei.c:5057
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x58/0x13c 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: 52800041 97eea41f 17ffff9a 97dc97ea (d4210000) 
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