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vfs: fix possible use-after-free

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Matheus
2026-09-28 10:41:47 -03:00
parent 4500f1f3ec
commit 2867889202
1 changed files with 4 additions and 3 deletions
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kernel-src/fs/vfs.c
+4 -3
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@@ -231,15 +231,16 @@ int vfs_open(vnode_t *ref, char *path, int flags, vnode_t **res) {
vnode_t *new = tmp;
err = VOP_OPEN(&new, flags, getcred());
// locked by vfs_lookup
VOP_UNLOCK(tmp);
if (err) {
VOP_RELEASE(tmp);
} else {
*res = new != tmp ? new : tmp;
}
// locked by vfs_lookup
VOP_UNLOCK(tmp);
return err;
}