KolibriOS/kolibrios
13
14
Fork 12
Code Issues 113 Pull Requests 16 Actions Projects 1 Releases Wiki Activity

Fix a kernel crash on a CD, with 512MB RAM

Browse Source 
CDDataBuf was considered a free memory. It was then allocated for other
kernel structures what eventually caused the crash.

The bug report: https://www.youtube.com/watch?v=tXMD9_gEUcA
This commit is contained in:
Ivan B
2025-02-09 19:32:30 +00:00
parent 84bc176353
commit 17eebff188
2 changed files with 24 additions and 26 deletions
Download Patch File Download Diff File Expand all files Collapse all files

46
kernel/trunk/const.inc
View File

@@ -596,29 +596,29 @@ CONTROL_EXCEPTION = 'EXPT'
; Window structure:
struct WDATA
box BOX
cl_workarea dd ?
cl_titlebar dd ?
cl_frames dd ?
z_modif db ?
fl_wstate db ?
fl_wdrawn db ?
fl_redraw db ?
clientbox BOX
shape dd ?
shape_scale dd ?
caption dd ?
captionEncoding db ?
rb 3
saved_box BOX
cursor dd ?
temp_cursor dd ? ;?
draw_bgr_x dd ?
draw_bgr_y dd ?
draw_data RECT
thread dd ? ; ptr APPDATA
buttons rd 1 ; ptr array buttons
rb 12 - 4
box BOX ; +0
cl_workarea dd ? ; +16
cl_titlebar dd ? ; +20
cl_frames dd ? ; +24
z_modif db ? ; +28
fl_wstate db ? ; +29
fl_wdrawn db ? ; +30
fl_redraw db ? ; +31
clientbox BOX ; +32
shape dd ? ; +48
shape_scale dd ? ; +52
caption dd ? ; +56
captionEncoding db ? ; +60
rb 3 ; +61
saved_box BOX ; +64
cursor dd ? ; +80
temp_cursor dd ? ; +84 ?
draw_bgr_x dd ? ; +88
draw_bgr_y dd ? ; +92
draw_data RECT ; +96
thread dd ? ; +112 ptr APPDATA
buttons rd 1 ; +116 ptr array buttons
rb 12 - 4 ; +120
ends
label WDATA.fl_wstyle byte at WDATA.cl_workarea + 3