I suggest to merge this fix for the stable tag 202111. This fix is low risk.
Thanks Liming 发件人: devel@edk2.groups.io <devel@edk2.groups.io> 代表 Wu, Jiaxin 发送时间: 2021年11月25日 9:37 收件人: Anbazhagan, Baraneedharan <anbazha...@hp.com>; devel@edk2.groups.io 抄送: maciej.rab...@linux.intel.com; Fu, Siyuan <siyuan...@intel.com> 主题: Re: [edk2-devel] NetworkPkg: Fix invalid pointer for DNS response token on error Reviewed-by: Wu Jiaxin <jiaxin...@intel.com <mailto:jiaxin...@intel.com> > From: Anbazhagan, Baraneedharan <anbazha...@hp.com <mailto:anbazha...@hp.com> > Sent: Thursday, November 25, 2021 9:28 AM To: devel@edk2.groups.io <mailto:devel@edk2.groups.io> Cc: maciej.rab...@linux.intel.com <mailto:maciej.rab...@linux.intel.com> ; Wu, Jiaxin <jiaxin...@intel.com <mailto:jiaxin...@intel.com> >; Fu, Siyuan <siyuan...@intel.com <mailto:siyuan...@intel.com> > Subject: RE: NetworkPkg: Fix invalid pointer for DNS response token on error Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=3719 Token->RspData.H2AData is de-allocated on error but it is not set to NULL. HTTP module attempts to free again and cause assert. Signed-off-by: Baraneedharan Anbazhagan anbazha...@hp.com <mailto:anbazha...@hp.com> --- NetworkPkg/DnsDxe/DnsImpl.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/NetworkPkg/DnsDxe/DnsImpl.c b/NetworkPkg/DnsDxe/DnsImpl.c index 2edcb280ac..78a56f2b56 100644 --- a/NetworkPkg/DnsDxe/DnsImpl.c +++ b/NetworkPkg/DnsDxe/DnsImpl.c @@ -1700,6 +1700,7 @@ ON_EXIT: } FreePool (Dns4TokenEntry->Token->RspData.H2AData); + Dns4TokenEntry->Token->RspData.H2AData = NULL; } } } @@ -1731,6 +1732,7 @@ ON_EXIT: } FreePool (Dns6TokenEntry->Token->RspData.H2AData); + Dns6TokenEntry->Token->RspData.H2AData = NULL; } } } -- 2.33.0.windows.2 -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#84072): https://edk2.groups.io/g/devel/message/84072 Mute This Topic: https://groups.io/mt/87294818/21656 Group Owner: devel+ow...@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [arch...@mail-archive.com] -=-=-=-=-=-=-=-=-=-=-=-
