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authorLv Yunlong <lyl2019@mail.ustc.edu.cn>2021-05-02 13:58:18 +0200
committerDavid S. Miller <davem@davemloft.net>2021-05-03 22:23:00 +0200
commit643001b47adc844ae33510c4bb93c236667008a3 (patch)
tree662d13f0b28ed1a4641fd7efd0e984f55dce6b82 /net
parentnet: stmmac: Remove duplicate declaration of stmmac_priv (diff)
downloadlinux-643001b47adc844ae33510c4bb93c236667008a3.tar.xz
linux-643001b47adc844ae33510c4bb93c236667008a3.zip
ethernet:enic: Fix a use after free bug in enic_hard_start_xmit
In enic_hard_start_xmit, it calls enic_queue_wq_skb(). Inside enic_queue_wq_skb, if some error happens, the skb will be freed by dev_kfree_skb(skb). But the freed skb is still used in skb_tx_timestamp(skb). My patch makes enic_queue_wq_skb() return error and goto spin_unlock() incase of error. The solution is provided by Govind. See https://lkml.org/lkml/2021/4/30/961. Fixes: fb7516d42478e ("enic: add sw timestamp support") Signed-off-by: Lv Yunlong <lyl2019@mail.ustc.edu.cn> Acked-by: Govindarajulu Varadarajan <gvaradar@cisco.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
0 files changed, 0 insertions, 0 deletions