lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  linux-cve-announce  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [thread-next>] [day] [month] [year] [list]
Date:	Mon, 2 Apr 2007 23:47:54 +0300
From:	Timo Savola <tsavola@...ial.fi>
To:	miklos@...redi.hu
Cc:	linux-kernel@...r.kernel.org, fuse-devel@...ts.sourceforge.net
Subject: [PATCH] FUSE: Validate rootmode mount option

If rootmode doesn't include any file type bits, we hit the BUG() in
fuse_init_inode.  Now EINVAL is returned.

Signed-off-by: Timo Savola <tsavola@...ial.fi>
---
 fs/fuse/inode.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c
index 5ab8e50..503c9cd 100644
--- a/fs/fuse/inode.c
+++ b/fs/fuse/inode.c
@@ -330,6 +330,8 @@ static int parse_fuse_opt(char *opt, struct fuse_mount_data *d, int is_bdev)
 		case OPT_ROOTMODE:
 			if (match_octal(&args[0], &value))
 				return 0;
+			if ((value & S_IFMT) == 0)
+				return 0;
 			d->rootmode = value;
 			d->rootmode_present = 1;
 			break;
-- 
1.4.4.4

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Powered by blists - more mailing lists