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qcacld-3.0: Check ie_len against 255 in function get_container_ies_len

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In function get_container_ies_len, output parameter pnConsumed is
uint8_t and poses a risk of integer overflow. Check value against 255
before assigning to output parameter.

Change-Id: I6e02037952ced13de45a6c030cc5a1e85070f5cd
CRs-Fixed: 2125781
This commit is contained in:
Naveen Rawat 2017-10-20 13:52:07 -07:00 • committed by snandini
commit b6eeed2347
2 changed files with 4 additions and 2 deletions
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2
core/mac/src/include/dot11f.h
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@ -35,7 +35,7 @@
*
*
* This file was automatically generated by 'framesc'
* Fri Oct 20 13:46:56 2017 from the following file(s):
* Fri Oct 20 13:48:39 2017 from the following file(s):
*
* dot11f.frms
*

4
core/mac/src/sys/legacy/src/utils/src/dot11f.c
View file

@ -33,7 +33,7 @@
*
*
* This file was automatically generated by 'framesc'
* Fri Oct 20 13:46:56 2017 from the following file(s):
* Fri Oct 20 13:48:39 2017 from the following file(s):
*
* dot11f.frms
*
@ -349,6 +349,8 @@ static uint32_t get_container_ies_len(tpAniSirGlobal pCtx,
pBufRemaining += *(pBufRemaining + 1) + 2;
}
if (len > 0xFF)
return DOT11F_INTERNAL_ERROR;
*pnConsumed = len;
return DOT11F_PARSE_SUCCESS;