From 8a34d7a8532c7ca013e67307f3baf200167abb92 Mon Sep 17 00:00:00 2001 From: Ander Conselvan de Oliveira Date: Tue, 8 Feb 2011 11:10:11 +0200 Subject: [PATCH] XkbSendNames: fix use of uninitialised bytes valgrind error. ==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 Reviewed-by: Oliver McFadden Signed-off-by: Ander Conselvan de Oliveira --- xkb/xkb.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/xkb/xkb.c b/xkb/xkb.c index 6fd66c5e5..a2cbbf315 100644 --- a/xkb/xkb.c +++ b/xkb/xkb.c @@ -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) {