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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