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authorAlexander Potapenko <glider@google.com>2023-01-10 13:49:30 +0100
committerDavid Sterba <dsterba@suse.com>2023-01-10 14:55:20 +0100
commiteef034ac6690118c88f357b00e2b3239c9d8575d (patch)
tree3ad7ff26a8a85c9346ee90ca5c4d1ba8145f0cd3 /fs
parentb7bfaa761d760e72a969d116517eaa12e404c262 (diff)
downloadlinux-eef034ac6690118c88f357b00e2b3239c9d8575d.tar.bz2
affs: initialize fsdata in affs_truncate()
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. Fixes: f2b6a16eb8f5 ("fs: affs convert to new aops") Suggested-by: Eric Biggers <ebiggers@kernel.org> Signed-off-by: Alexander Potapenko <glider@google.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/affs/file.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/affs/file.c b/fs/affs/file.c
index cefa222f7881..8daeed31e1af 100644
--- a/fs/affs/file.c
+++ b/fs/affs/file.c
@@ -880,7 +880,7 @@ affs_truncate(struct inode *inode)
if (inode->i_size > AFFS_I(inode)->mmu_private) {
struct address_space *mapping = inode->i_mapping;
struct page *page;
- void *fsdata;
+ void *fsdata = NULL;
loff_t isize = inode->i_size;
int res;