buf_prevkey in generic_map_lookup_batch() is allocated with
kmalloc(). It's safe to free it with kfree().

Signed-off-by: Denis Efremov <[email protected]>
---
 kernel/bpf/syscall.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/bpf/syscall.c b/kernel/bpf/syscall.c
index 4e6dee19a668..10bb622be5b6 100644
--- a/kernel/bpf/syscall.c
+++ b/kernel/bpf/syscall.c
@@ -1383,7 +1383,7 @@ int generic_map_lookup_batch(struct bpf_map *map,
 
        buf = kmalloc(map->key_size + value_size, GFP_USER | __GFP_NOWARN);
        if (!buf) {
-               kvfree(buf_prevkey);
+               kfree(buf_prevkey);
                return -ENOMEM;
        }
 
-- 
2.26.2

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