When aops->write_begin() does not initialize fsdata, KMSAN may report
an error passing the latter to aops->write_end().
Fix this by unconditionally initializing fsdata.
Suggested-by: Eric Biggers <ebigg...@kernel.org>
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Signed-off-by: Alexander Potapenko <gli...@google.com>
---
fs/hfsplus/extents.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/hfsplus/extents.c b/fs/hfsplus/extents.c
index 721f779b4ec3e..7a542f3dbe502 100644
--- a/fs/hfsplus/extents.c
+++ b/fs/hfsplus/extents.c
@@ -554,7 +554,7 @@ void hfsplus_file_truncate(struct inode *inode)
if (inode->i_size > hip->phys_size) {
struct address_space *mapping = inode->i_mapping;
struct page *page;
- void *fsdata;
+ void *fsdata = NULL;
loff_t size = inode->i_size;
res = hfsplus_write_begin(NULL, mapping, size, 0,
--
2.38.1.584.g0f3c55d4c2-goog
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