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table: fix out of bounds write

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Fix out of bounds write. The allocated string size was incorrect.

Coverity issue: 369670
Fixes: 66440b7b22f2 ("table: add wildcard match table type")

Signed-off-by: Cristian Dumitrescu <cristian.dumitrescu@intel.com>
This commit is contained in:
Cristian Dumitrescu 2021-04-07 11:59:53 +01:00 committed by Thomas Monjalon
parent ae650ff9ba
commit 97005a6665
1 changed files with 4 additions and 5 deletions
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9
lib/librte_table/rte_swx_table_wm.c
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@ -53,15 +53,14 @@ env_free(void *start, size_t size)
static char *get_unique_name(void) static char *get_unique_name(void)
{ {
char *name; uint64_t tsc = rte_get_tsc_cycles();
uint64_t *tsc; size_t size = sizeof(uint64_t) * 2 + 1;
char *name = calloc(1, size);
name = calloc(7, 1);
if (!name) if (!name)
return NULL; return NULL;
tsc = (uint64_t *) name; snprintf(name, size, "%016" PRIx64, tsc);
*tsc = rte_get_tsc_cycles();
return name; return name;
} }