fdo-mirrors/xserver
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/xorg/xserver.git synced 2026-01-04 14:30:13 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions

XkbSendNames: fix use of uninitialised bytes valgrind error.

Browse source 
==537== Syscall param writev(vector[...]) points to uninitialised byte(s)
==537==    at 0x4AB7154: writev (writev.c:51)
==537==    by 0x8935B: _XSERVTransWritev (Xtrans.c:912)
==537==    by 0x6C55F: FlushClient (io.c:924)
==537==    by 0x6CCF3: WriteToClient (io.c:846)
==537==    by 0xD51D3: XkbSendNames (xkb.c:3765)
==537==    by 0xD8183: ProcXkbGetKbdByName (xkb.c:5825)
==537==    by 0x27B7B: Dispatch (dispatch.c:432)
==537==    by 0x205B7: main (main.c:291)
==537==  Address 0x55899f2 is 154 bytes inside a block of size 1,896 alloc'd
==537==    at 0x4834C48: malloc (vg_replace_malloc.c:236)
==537==    by 0xD47AF: XkbSendNames (xkb.c:3642)
==537==    by 0xD8183: ProcXkbGetKbdByName (xkb.c:5825)
==537==    by 0x27B7B: Dispatch (dispatch.c:432)
==537==    by 0x205B7: main (main.c:291)
==537==  Uninitialised value was created by a heap allocation
==537==    at 0x4834C48: malloc (vg_replace_malloc.c:236)
==537==    by 0xD47AF: XkbSendNames (xkb.c:3642)
==537==    by 0xD8183: ProcXkbGetKbdByName (xkb.c:5825)
==537==    by 0x27B7B: Dispatch (dispatch.c:432)
==537==    by 0x205B7: main (main.c:291)

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Reviewed-by: Oliver McFadden <oliver.mcfadden@nokia.com>
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan-de-oliveira@nokia.com>
This commit is contained in:
Ander Conselvan de Oliveira 2011-02-08 11:10:11 +02:00 • committed by Peter Hutterer
parent 87fbef9157
commit 8a34d7a853
1 changed files with 1 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
xkb/xkb.c
View file

@ -3644,7 +3644,7 @@ register int n;
swapl(&rep->indicators,n);
}
start = desc = malloc(length);
start = desc = calloc(1, length);
if ( !start )
return BadAlloc;
if (xkb->names) {