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net: sched: Fix use after free in red_enqueue()
authorDan Carpenter <dan.carpenter@oracle.com>
Fri, 28 Oct 2022 15:05:00 +0000 (18:05 +0300)
committerDavid S. Miller <davem@davemloft.net>
Mon, 31 Oct 2022 11:55:39 +0000 (11:55 +0000)
commit8bdc2acd420c6f3dd1f1c78750ec989f02a1e2b9
tree98c2e409c49ff27666fae499d13663cb7f2d141etree
parent06a4df5863f73af193a4ff7abf7cb04058584f06commit | diff
net: sched: Fix use after free in red_enqueue()

We can't use "skb" again after passing it to qdisc_enqueue().  This is
basically identical to commit 2f09707d0c97 ("sch_sfb: Also store skb
len before calling child enqueue").

Fixes: d7f4f332f082 ("sch_red: update backlog as well")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/sched/sch_red.c diff | blob | history
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