Intravision/reactos
1
0
Fork 0
mirror of https://github.com/reactos/reactos.git synced 2025-08-02 06:05:48 +00:00
Code Issues Projects Releases Packages Wiki Activity

[TASKMGR] Fix a heap corruption bug (#4311)

Browse source 
Improper adjustment of the array index in graphctl.c, introduced in PR #4141 lead to an off-by-one heap corruption.
This commit is contained in:
Valerij Zaporogeci 2022-01-25 16:49:46 +02:00 • committed by GitHub
parent 5972c0c18b
commit f8faa0b660
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
1 changed files with 1 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

2
base/applications/taskmgr/graphctl.c
View file

@ -150,7 +150,7 @@ GraphCtrl_AddPoint(PTM_GRAPH_CONTROL inst, BYTE val0, BYTE val1)
t = inst->PointBuffer;
Prev0 = *(t + inst->CurrIndex);
Prev1 = *(t + inst->CurrIndex + inst->NumberOfPoints);
if (inst->CurrIndex < inst->NumberOfPoints)
if (inst->CurrIndex < inst->NumberOfPoints - 1)
{
inst->CurrIndex++;
}