Messages in this thread Patch in this message | | | From | Stephan Müller <> | Subject | [PATCH 02/06] ecryptfs: Validate body size | Date | Tue, 27 Jun 2006 01:47:00 +0200 |
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Kernel version: 2.6.17-mm1
The patch ensures that body_size is checked for improper values.
Signed-off-by: Stephan Mueller <smueller@chronox.de>
---
fs/ecryptfs/keystore.c | 6 ++++++ 1 files changed, 6 insertions(+), 0 deletions(-)
4d78bed2424c6af4a0d1ef4944d485bd5fd48d36 diff --git a/fs/ecryptfs/keystore.c b/fs/ecryptfs/keystore.c index e80d7a6..9b98fac 100644 --- a/fs/ecryptfs/keystore.c +++ b/fs/ecryptfs/keystore.c @@ -397,6 +397,12 @@ parse_tag_11_packet(unsigned char *data, rc = -EINVAL; goto out; } + if (body_size < 13) { + ecryptfs_printk(KERN_WARNING, "Invalid body size ([%d])\n", + body_size); + rc = -EINVAL; + goto out; + } /* We have 13 bytes of surrounding packet values */ (*tag_11_contents_size) = (body_size - 13); if ((*tag_11_contents_size) > max_contents_bytes) { - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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