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Date:      Fri, 22 Mar 2019 17:53:13 +0000 (UTC)
From:      Alan Somers <asomers@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-projects@freebsd.org
Subject:   svn commit: r345419 - projects/fuse2/sys/fs/fuse
Message-ID:  <201903221753.x2MHrD8b065468@repo.freebsd.org>

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Author: asomers
Date: Fri Mar 22 17:53:13 2019
New Revision: 345419
URL: https://svnweb.freebsd.org/changeset/base/345419

Log:
  fusefs: fix a panic on mount
  
  Don't page fault if the file descriptor provided with "-o fd" is invalid.
  
  Sponsored by:	The FreeBSD Foundation

Modified:
  projects/fuse2/sys/fs/fuse/fuse_vfsops.c

Modified: projects/fuse2/sys/fs/fuse/fuse_vfsops.c
==============================================================================
--- projects/fuse2/sys/fs/fuse/fuse_vfsops.c	Fri Mar 22 17:44:47 2019	(r345418)
+++ projects/fuse2/sys/fs/fuse/fuse_vfsops.c	Fri Mar 22 17:53:13 2019	(r345419)
@@ -225,7 +225,7 @@ fuse_vfsop_mount(struct mount *mp)
 	size_t len;
 
 	struct cdev *fdev;
-	struct fuse_data *data;
+	struct fuse_data *data = NULL;
 	struct thread *td;
 	struct file *fp, *fptmp;
 	char *fspec, *subtype;
@@ -361,7 +361,7 @@ fuse_vfsop_mount(struct mount *mp)
 out:
 	if (err) {
 		FUSE_LOCK();
-		if (data->mp == mp) {
+		if (data && data->mp == mp) {
 			/*
 			 * Destroy device only if we acquired reference to
 			 * it



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