Messages in this thread Patch in this message | | | Date | Mon, 21 Nov 2022 12:21:31 +0100 | Subject | [PATCH 2/5] fs: affs: initialize fsdata in affs_truncate() | From | Alexander Potapenko <> |
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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 <ebiggers@kernel.org> Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") Signed-off-by: Alexander Potapenko <glider@google.com> --- fs/affs/file.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/affs/file.c b/fs/affs/file.c index cefa222f7881c..8daeed31e1af9 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; -- 2.38.1.584.g0f3c55d4c2-goog
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