On 8/14/2025 11:32 PM, Jake Freeland wrote:
Currently, hugepage mountpoints will be used irrespective of permissions,
leading to potential EACCES errors during memory allocation. Fix this by
not using a mountpoint if we do not have read/write permissions on it.
Signed-off-by: Jake Freeland <[email protected]>
---
lib/eal/linux/eal_hugepage_info.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/lib/eal/linux/eal_hugepage_info.c
b/lib/eal/linux/eal_hugepage_info.c
index d47a19c56a..e2ddd6218b 100644
--- a/lib/eal/linux/eal_hugepage_info.c
+++ b/lib/eal/linux/eal_hugepage_info.c
@@ -260,6 +260,13 @@ get_hugepage_dir(uint64_t hugepage_sz, char *hugedir, int
len)
continue;
}
+ if (access(splitstr[MOUNTPT], R_OK | W_OK) < 0) {
+ EAL_LOG(NOTICE,
+ "Skipping hugepage dir '%s': missing r/w perms",
Perhaps should be reworded as:
Skipping hugepage directory '%s': missing R/W permissions"
Otherwise,
Acked-by: Anatoly Burakov <[email protected]>
+ splitstr[MOUNTPT]);
+ continue;
+ }
+
/*
* If no --huge-dir option has been given, we're done.
*/
--
Thanks,
Anatoly
