From: Miklos Szeredi This patch fixes a use after free bug, which could in theory cause memory corruption. It was actually found with DEBUG_PAGEALLOC by Magnus Johansson. Signed-off-by: Miklos Szeredi Signed-off-by: Andrew Morton --- 25-akpm/fs/fuse/dev.c | 5 ++--- 1 files changed, 2 insertions(+), 3 deletions(-) diff -puN fs/fuse/dev.c~fuse-device-functions-use-after-free-fix fs/fuse/dev.c --- 25/fs/fuse/dev.c~fuse-device-functions-use-after-free-fix Fri Mar 4 15:34:45 2005 +++ 25-akpm/fs/fuse/dev.c Fri Mar 4 15:34:45 2005 @@ -121,12 +121,11 @@ struct fuse_req *fuse_get_request_nonint static void fuse_putback_request(struct fuse_conn *fc, struct fuse_req *req) { - if (!req->preallocated) - fuse_request_free(req); - spin_lock(&fuse_lock); if (req->preallocated) list_add(&req->list, &fc->unused_list); + else + fuse_request_free(req); if (fc->outstanding_debt) fc->outstanding_debt--; _