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gdb_server: prevent false positive valgrind report 

Change-Id: Ia59fdf8a23043889840122859b0c5bdb5f757703
Signed-off-by: Tomas Vanek <vanekt@fbl.cz>
Reviewed-on: http://openocd.zylin.com/4420
Tested-by: jenkins
This commit is contained in:
Tomas Vanek 2018-02-16 11:58:10 +01:00
parent ff23980434
commit a4cdce0129
1 changed files with 5 additions and 1 deletions
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6
src/server/gdb_server.c
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@ -2442,7 +2442,11 @@ static int gdb_get_thread_list_chunk(struct target *target, char **thread_list,
else else
transfer_type = 'l'; transfer_type = 'l';
*chunk = malloc(length + 2); *chunk = malloc(length + 2 + 3);
/* Allocating extra 3 bytes prevents false positive valgrind report
* of strlen(chunk) word access:
* Invalid read of size 4
* Address 0x4479934 is 44 bytes inside a block of size 45 alloc'd */
if (*chunk == NULL) { if (*chunk == NULL) {
LOG_ERROR("Unable to allocate memory"); LOG_ERROR("Unable to allocate memory");
return ERROR_FAIL; return ERROR_FAIL;