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authorDavid Oberhollenzer <david.oberhollenzer@sigma-star.at>2020-11-07 17:06:33 +0100
committerDavid Oberhollenzer <david.oberhollenzer@sigma-star.at>2020-11-07 17:06:33 +0100
commit835c3b0acc65758733bbb9fefbdf1cce7fa61e10 (patch)
treedf2594a8e79244fecf1a22b5694ce8aa8030f825 /lib/sqfs/xattr/xattr_writer.c
parent411f659fe0140bacbd56f8503cda269816d4a887 (diff)
Fix: libsquashfs: xattr_writer: return NULL if calloc fails
Instead of dereferencing the NULL pointer and crashing. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
Diffstat (limited to 'lib/sqfs/xattr/xattr_writer.c')
-rw-r--r--lib/sqfs/xattr/xattr_writer.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/sqfs/xattr/xattr_writer.c b/lib/sqfs/xattr/xattr_writer.c
index c33d366..c04bd4a 100644
--- a/lib/sqfs/xattr/xattr_writer.c
+++ b/lib/sqfs/xattr/xattr_writer.c
@@ -89,6 +89,9 @@ sqfs_xattr_writer_t *sqfs_xattr_writer_create(sqfs_u32 flags)
return NULL;
xwr = calloc(1, sizeof(*xwr));
+ if (xwr == NULL)
+ return NULL;
+
if (str_table_init(&xwr->keys, XATTR_KEY_BUCKETS))
goto fail_keys;