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* LVM2 ./WHATS_NEW_DM libdm/mm/dbg_malloc.c
@ 2012-02-10 13:52 zkabelac
0 siblings, 0 replies; 2+ messages in thread
From: zkabelac @ 2012-02-10 13:52 UTC (permalink / raw)
To: lvm-devel, lvm2-cvs
CVSROOT: /cvs/lvm2
Module name: LVM2
Changes by: zkabelac@sourceware.org 2012-02-10 13:52:06
Modified files:
. : WHATS_NEW_DM
libdm/mm : dbg_malloc.c
Log message:
Add test for failing allocation
Avoid memcpy to NULL if realloc fails.
Patches:
http://sourceware.org/cgi-bin/cvsweb.cgi/LVM2/WHATS_NEW_DM.diff?cvsroot=lvm2&r1=1.543&r2=1.544
http://sourceware.org/cgi-bin/cvsweb.cgi/LVM2/libdm/mm/dbg_malloc.c.diff?cvsroot=lvm2&r1=1.25&r2=1.26
--- LVM2/WHATS_NEW_DM 2012/02/10 13:49:29 1.543
+++ LVM2/WHATS_NEW_DM 2012/02/10 13:52:05 1.544
@@ -1,5 +1,6 @@
Version 1.02.70 -
===================================
+ Add missing test for failing allocation in dm_realloc() code.
Add test for memory allocation failures in regex matcher code.
Simplify dm_task_set_geometry() and use dm_asprintf().
Set all parameters to 0 for dm_get_next_target() for NULL return.
--- LVM2/libdm/mm/dbg_malloc.c 2011/10/28 20:37:31 1.25
+++ LVM2/libdm/mm/dbg_malloc.c 2012/02/10 13:52:05 1.26
@@ -192,7 +192,7 @@
r = dm_malloc_aux_debug(s, file, line);
- if (p) {
+ if (r && p) {
memcpy(r, p, mb->length);
dm_free_aux(p);
}
^ permalink raw reply [flat|nested] 2+ messages in thread
* LVM2 ./WHATS_NEW_DM libdm/mm/dbg_malloc.c
@ 2011-10-20 13:33 zkabelac
0 siblings, 0 replies; 2+ messages in thread
From: zkabelac @ 2011-10-20 13:33 UTC (permalink / raw)
To: lvm-devel, lvm2-cvs
CVSROOT: /cvs/lvm2
Module name: LVM2
Changes by: zkabelac@sourceware.org 2011-10-20 13:33:41
Modified files:
. : WHATS_NEW_DM
libdm/mm : dbg_malloc.c
Log message:
Simplify some pointer operations
Patches:
http://sourceware.org/cgi-bin/cvsweb.cgi/LVM2/WHATS_NEW_DM.diff?cvsroot=lvm2&r1=1.513&r2=1.514
http://sourceware.org/cgi-bin/cvsweb.cgi/LVM2/libdm/mm/dbg_malloc.c.diff?cvsroot=lvm2&r1=1.23&r2=1.24
--- LVM2/WHATS_NEW_DM 2011/10/20 13:23:52 1.513
+++ LVM2/WHATS_NEW_DM 2011/10/20 13:33:41 1.514
@@ -1,5 +1,6 @@
Version 1.02.68 -
==================================
+ Simplify some pointer operations in dm_free_aux() debug code..
Remove unused dbg_malloc.h file from source tree.
Cleanup backtraces for _create_and_load_v4().
Fix alignment warning in bitcount calculation for raid segment.
--- LVM2/libdm/mm/dbg_malloc.c 2011/02/08 15:52:00 1.23
+++ LVM2/libdm/mm/dbg_malloc.c 2011/10/20 13:33:41 1.24
@@ -143,9 +143,9 @@
assert(mb->magic == p);
/* check data at the far boundary */
- ptr = ((char *) mb) + sizeof(struct memblock) + mb->length;
+ ptr = (char *) p + mb->length;
for (i = 0; i < sizeof(unsigned long); i++)
- if (*ptr++ != (char) mb->id)
+ if (ptr[i] != (char) mb->id)
assert(!"Damage at far end of block");
/* have we freed this before ? */
@@ -165,9 +165,9 @@
mb->id = 0;
/* stomp a different pattern across the memory */
- ptr = ((char *) mb) + sizeof(struct memblock);
+ ptr = p;
for (i = 0; i < mb->length; i++)
- *ptr++ = i & 1 ? (char) 0xde : (char) 0xad;
+ ptr[i] = i & 1 ? (char) 0xde : (char) 0xad;
assert(_mem_stats.blocks_allocated);
_mem_stats.blocks_allocated--;
^ permalink raw reply [flat|nested] 2+ messages in thread
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