diff options
| author | Alan Huang <mmpgouride@gmail.com> | 2025-02-20 18:56:08 +0800 |
|---|---|---|
| committer | Kent Overstreet <kent.overstreet@linux.dev> | 2025-02-20 16:40:34 -0500 |
| commit | c522093b02835f2e897b83e9764e7919edac5d08 (patch) | |
| tree | 041255f55413becf8783ee8088d7021581829221 /fs/bcachefs | |
| parent | 68aaa637162787dc3374080efe03366f70b344f1 (diff) | |
bcachefs: Fix memmove when move keys down
The fix alone doesn't fix [1], but should be applied before debugging
that.
[1] https://syzkaller.appspot.com/bug?extid=38a0cbd267eff2d286ff
Signed-off-by: Alan Huang <mmpgouride@gmail.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Diffstat (limited to 'fs/bcachefs')
| -rw-r--r-- | fs/bcachefs/btree_io.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/bcachefs/btree_io.c b/fs/bcachefs/btree_io.c index e371e60e3133..dece27d9db04 100644 --- a/fs/bcachefs/btree_io.c +++ b/fs/bcachefs/btree_io.c @@ -996,7 +996,7 @@ drop_this_key: } got_good_key: le16_add_cpu(&i->u64s, -next_good_key); - memmove_u64s_down(k, bkey_p_next(k), (u64 *) vstruct_end(i) - (u64 *) k); + memmove_u64s_down(k, (u64 *) k + next_good_key, (u64 *) vstruct_end(i) - (u64 *) k); set_btree_node_need_rewrite(b); } fsck_err: |