Overrunning array mcfg->memseg of 256 44-byte elements
at element index 257 using index j.
Fixed by add condition with message information.
Fixes: af75078fece3 ("first public release")
Coverity ID 13282
Signed-off-by: Slawomir Mrozowicz <slawomirx.mrozowicz at intel.com>
---
v5:
- update message
v4:
- remove check condition from loop
v3:
- add check condition inside and outside the loop
v2:
- add message information
---
lib/librte_eal/linuxapp/eal/eal_memory.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/lib/librte_eal/linuxapp/eal/eal_memory.c
b/lib/librte_eal/linuxapp/eal/eal_memory.c
index 5b9132c..ffe069c 100644
--- a/lib/librte_eal/linuxapp/eal/eal_memory.c
+++ b/lib/librte_eal/linuxapp/eal/eal_memory.c
@@ -1301,6 +1301,14 @@ rte_eal_hugepage_init(void)
break;
}
+ if (j >= RTE_MAX_MEMSEG) {
+ RTE_LOG(ERR, EAL,
+ "All memory segments exhausted by IVSHMEM. "
+ "Try recompiling with larger RTE_MAX_MEMSEG "
+ "then current %d\n", RTE_MAX_MEMSEG);
+ return -ENOMEM;
+ }
+
for (i = 0; i < nr_hugefiles; i++) {
new_memseg = 0;
--
1.9.1
