sergiotarxz/libvips
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zero memory on malloc

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to prevent write of uninit memory under some error conditions

thanks Balint
This commit is contained in:
John Cupitt 2019-01-18 10:10:43 +00:00
parent 63c6c7ae30
commit 00622428bd
2 changed files with 6 additions and 3 deletions
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5
ChangeLog
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@ -1,5 +1,8 @@
4/1/19 started 8.7.4 4/1/19 started 8.7.4
- magicksave with magick6 API did not chain exceptions correctly [kleisauke] - magicksave with magick6 API did not chain exceptions correctly causing a
memory leak under some conditions [kleisauke]
- zero memory on allocate to prevent write of uninitialized memory under some
error conditions [Balint Varga-Perke]
21/11/18 started 8.7.3 21/11/18 started 8.7.3
- fix infinite loop for autofit with non-scaleable font - fix infinite loop for autofit with non-scaleable font

4
libvips/iofuncs/memory.c
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@ -173,7 +173,7 @@ vips_malloc( VipsObject *object, size_t size )
{ {
void *buf; void *buf;
buf = g_malloc( size ); buf = g_malloc0( size );
if( object ) { if( object ) {
g_signal_connect( object, "postclose", g_signal_connect( object, "postclose",
@ -317,7 +317,7 @@ vips_tracked_malloc( size_t size )
*/ */
size += 16; size += 16;
if( !(buf = g_try_malloc( size )) ) { if( !(buf = g_try_malloc0( size )) ) {
#ifdef DEBUG #ifdef DEBUG
g_assert_not_reached(); g_assert_not_reached();
#endif /*DEBUG*/ #endif /*DEBUG*/