Ksawlii/kernel_samsung_a53x
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Revert "net/xen-netback: prevent UAF in xenvif_flush_hash()"

Browse source 
This reverts commit fcc9e6b2eb.
This commit is contained in:
Ksawlii 2024-11-24 00:23:10 +01:00
parent 312c6c6837
commit 6c30036842
1 changed files with 3 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

5
drivers/net/xen-netback/hash.c
View file

@ -95,7 +95,7 @@ static u32 xenvif_new_hash(struct xenvif *vif, const u8 *data,
static void xenvif_flush_hash(struct xenvif *vif)
{
struct xenvif_hash_cache_entry *entry, *n;
struct xenvif_hash_cache_entry *entry;
unsigned long flags;
if (xenvif_hash_cache_size == 0)
@ -103,7 +103,8 @@ static void xenvif_flush_hash(struct xenvif *vif)
spin_lock_irqsave(&vif->hash.cache.lock, flags);
list_for_each_entry_safe(entry, n, &vif->hash.cache.list, link) {
list_for_each_entry_rcu(entry, &vif->hash.cache.list, link,
lockdep_is_held(&vif->hash.cache.lock)) {
list_del_rcu(&entry->link);
vif->hash.cache.count--;
kfree_rcu(entry, rcu);