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authorPavel Skripkin <paskripkin@gmail.com>2021-06-07 21:46:23 +0300
committerDavid S. Miller <davem@davemloft.net>2021-06-07 23:34:37 +0300
commita47c397bb29fce1751dc755246a2c8deeca5e38f (patch)
tree09ecb5ea02c638f09da76270ef78d09678d8b9f7 /net/kcm
parentaaab3076d7c7f7ebdb9e261ba21ef6af2fb8cba6 (diff)
downloadlinux-a47c397bb29fce1751dc755246a2c8deeca5e38f.tar.xz
revert "net: kcm: fix memory leak in kcm_sendmsg"
In commit c47cc304990a ("net: kcm: fix memory leak in kcm_sendmsg") I misunderstood the root case of the memory leak and came up with completely broken fix. So, simply revert this commit to avoid GPF reported by syzbot. Im so sorry for this situation. Fixes: c47cc304990a ("net: kcm: fix memory leak in kcm_sendmsg") Reported-by: syzbot+65badd5e74ec62cb67dc@syzkaller.appspotmail.com Signed-off-by: Pavel Skripkin <paskripkin@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/kcm')
-rw-r--r--net/kcm/kcmsock.c5
1 files changed, 0 insertions, 5 deletions
diff --git a/net/kcm/kcmsock.c b/net/kcm/kcmsock.c
index 1c572c8daced..6201965bd822 100644
--- a/net/kcm/kcmsock.c
+++ b/net/kcm/kcmsock.c
@@ -1066,11 +1066,6 @@ out_error:
goto partial_message;
}
- if (skb_has_frag_list(head)) {
- kfree_skb_list(skb_shinfo(head)->frag_list);
- skb_shinfo(head)->frag_list = NULL;
- }
-
if (head != kcm->seq_skb)
kfree_skb(head);