Revert "vfs_default: Protect vfs_getxattrat_done() from accessing a freed req pointer"
authorJeremy Allison <jra@samba.org>
Fri, 13 Mar 2020 17:34:46 +0000 (10:34 -0700)
committerJeremy Allison <jra@samba.org>
Wed, 18 Mar 2020 18:03:30 +0000 (18:03 +0000)
This reverts commit 95cfcda13fe9a70b9955a7c44173d619eacb34c1.

Now we wait for all aio to finish on all SHUTDOWN_CLOSE
cases, this is no longer needed.

BUG: https://bugzilla.samba.org/show_bug.cgi?id=14301

Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
source3/modules/vfs_default.c

index cf24e66e048dfdb47e3cc0ebe980889a21a7e44c..bd39eb47e9ab050a5d7f41d1ad6c53e9d9fc2c6b 100644 (file)
@@ -3289,15 +3289,6 @@ struct vfswrap_getxattrat_state {
 static int vfswrap_getxattrat_state_destructor(
                struct vfswrap_getxattrat_state *state)
 {
-       /*
-        * This destructor only gets called if the request is still
-        * in flight, which is why we deny it by returning -1. We
-        * also set the req pointer to NULL so the _done function
-        * can detect the caller doesn't want the result anymore.
-        *
-        * Forcing the fsp closed by a SHUTDOWN_CLOSE can cause this.
-        */
-       state->req = NULL;
        return -1;
 }
 
@@ -3528,16 +3519,6 @@ static void vfswrap_getxattrat_done(struct tevent_req *subreq)
        TALLOC_FREE(subreq);
        SMBPROFILE_BYTES_ASYNC_END(state->profile_bytes);
        talloc_set_destructor(state, NULL);
-       if (req == NULL) {
-               /*
-                * We were shutdown closed in flight. No one wants the result,
-                * and state has been reparented to the NULL context, so just
-                * free it so we don't leak memory.
-                */
-               DBG_NOTICE("getxattr request abandoned in flight\n");
-               TALLOC_FREE(state);
-               return;
-       }
        if (ret != 0) {
                if (ret != EAGAIN) {
                        tevent_req_error(req, ret);