From a47c397bb29fce1751dc755246a2c8deeca5e38f Mon Sep 17 00:00:00 2001 From: Pavel Skripkin Date: Mon, 7 Jun 2021 21:46:23 +0300 Subject: 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 Signed-off-by: David S. Miller --- net/kcm/kcmsock.c | 5 ----- 1 file changed, 5 deletions(-) (limited to 'net/kcm') 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); -- cgit v1.2.3