| Message ID | 20210607172015.19265-1-paskripkin@gmail.com |
|---|---|
| State | Superseded |
| Headers | show |
| Series | revert "net: kcm: fix memory leak in kcm_sendmsg" | expand |
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 @@ static int kcm_sendmsg(struct socket *sock, struct msghdr *msg, size_t len) 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);
In commit c47cc304990a ("net: kcm: fix memory leak in kcm_sendmsg") I misunderstand the root case of memory leak and came up completely broken fix. So, simply revert this commit to avoid GPF. Im so sorry about this one. Reported-by: syzbot+65badd5e74ec62cb67dc@syzkaller.appspotmail.com Signed-off-by: Pavel Skripkin <paskripkin@gmail.com> --- net/kcm/kcmsock.c | 5 ----- 1 file changed, 5 deletions(-)