When aops->write_begin() does not initialize fsdata, KMSAN reports an error passing the latter to aops->write_end().
Fix this by unconditionally initializing fsdata. Cc: Eric Biggers <[email protected]> Fixes: c93d8f885809 ("ext4: add basic fs-verity support") Reported-by: [email protected] Signed-off-by: Alexander Potapenko <[email protected]> --- fs/ext4/verity.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/ext4/verity.c b/fs/ext4/verity.c index 3c640bd7ecaeb..30e3b65798b50 100644 --- a/fs/ext4/verity.c +++ b/fs/ext4/verity.c @@ -79,7 +79,7 @@ static int pagecache_write(struct inode *inode, const void *buf, size_t count, size_t n = min_t(size_t, count, PAGE_SIZE - offset_in_page(pos)); struct page *page; - void *fsdata; + void *fsdata = NULL; int res; res = aops->write_begin(NULL, mapping, pos, n, &page, &fsdata); -- 2.38.1.584.g0f3c55d4c2-goog _______________________________________________ Linux-f2fs-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel
