Messages in this thread Patch in this message | | | From | Jeremiah Mahler <> | Subject | [PATCH] fuse: avoid clobbering fc->release with fuse_conn_init(fc) | Date | Sun, 31 May 2015 18:31:04 -0700 |
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fuse_conn_init(fc) zeros the entire fc structure before it assigns specific values. Since fc->release is set before fuse_conn_init(fc) is called, the value gets set to zero, which results in a NULL pointer deference when fc->release() is called. Fix the problem by assigning fc->release after calling fuse_conn_init(fc) instead of before.
Signed-off-by: Jeremiah Mahler <jmmahler@gmail.com> Fixes: daccc092d1a2 ("fuse: initialize fc->release before calling it") --- fs/fuse/inode.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c index 01ff55d..2913db2 100644 --- a/fs/fuse/inode.c +++ b/fs/fuse/inode.c @@ -1076,8 +1076,8 @@ static int fuse_fill_super(struct super_block *sb, void *data, int silent) if (!fc) goto err_fput; - fc->release = fuse_free_conn; fuse_conn_init(fc); + fc->release = fuse_free_conn; fud = fuse_dev_alloc(fc); if (!fud) -- 2.1.4
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