Call trace: - erofs_mkfs_build_tree - erofs_mkfs_go(sbi, ~0, NULL, 0); inode.c:1395:20: runtime error: null pointer passed as argument 2, which is declared to never be null /usr/include/string.h:44:28: note: nonnull attribute specified here SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior inode.c:1395:20 in
Signed-off-by: Gao Xiang <[email protected]> --- lib/inode.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/lib/inode.c b/lib/inode.c index 128c051..d464bc6 100644 --- a/lib/inode.c +++ b/lib/inode.c @@ -1392,7 +1392,8 @@ static int erofs_mkfs_go(struct erofs_sb_info *sbi, item = q->queue + q->tail; item->type = type; - memcpy(&item->u, elem, size); + if (size) + memcpy(&item->u, elem, size); q->tail = (q->tail + 1) & (q->entries - 1); q->idle = false; -- 2.43.5
