Hi Jiewen, Can you take a look at this patch? WPA3 Tls API fuzzing is blocked because of same pem API.
Thanks, Yi -----Original Message----- From: devel@edk2.groups.io <devel@edk2.groups.io> On Behalf Of yi1 li Sent: Thursday, September 22, 2022 8:53 PM To: devel@edk2.groups.io Cc: Li, Yi1 <yi1...@intel.com>; Yao, Jiewen <jiewen....@intel.com>; Wang, Jian J <jian.j.w...@intel.com>; Lu, Xiaoyu1 <xiaoyu1...@intel.com>; Jiang, Guomin <guomin.ji...@intel.com> Subject: [edk2-devel] [PATCH 1/1] CryptoPkg: Fix pem heap-buffer-overflow due to BIO_snprintf() REF: https://bugzilla.tianocore.org/show_bug.cgi?id=4075 Fake BIO_snprintf() need to return error status -1. 0 will be considered a correct return value, this may cause crash, please refer to bugzilla link for details. Signed-off-by: Yi Li <yi1...@intel.com> Cc: Jiewen Yao <jiewen....@intel.com> Cc: Jian J Wang <jian.j.w...@intel.com> Cc: Xiaoyu Lu <xiaoyu1...@intel.com> Cc: Guomin Jiang <guomin.ji...@intel.com> --- CryptoPkg/Library/BaseCryptLib/SysCall/CrtWrapper.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/CryptoPkg/Library/BaseCryptLib/SysCall/CrtWrapper.c b/CryptoPkg/Library/BaseCryptLib/SysCall/CrtWrapper.c index c1fc33538f..d7d8c206ed 100644 --- a/CryptoPkg/Library/BaseCryptLib/SysCall/CrtWrapper.c +++ b/CryptoPkg/Library/BaseCryptLib/SysCall/CrtWrapper.c @@ -494,7 +494,7 @@ BIO_snprintf ( ... ) { - return 0; + return -1; } #ifdef __GNUC__ -- 2.31.1.windows.1 -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#94292): https://edk2.groups.io/g/devel/message/94292 Mute This Topic: https://groups.io/mt/93847550/21656 Group Owner: devel+ow...@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [arch...@mail-archive.com] -=-=-=-=-=-=-=-=-=-=-=-
