2.6.27-stable review patch. If anyone has any objections, please let us know. ------------------ From: Steve French upstream commit: b363b3304bcf68c4541683b2eff70b29f0446a5b CIFS can allocate a few bytes to little for the nativeFileSystem field during tree connect response processing during mount. This can result in a "Redzone overwritten" message to be logged. Signed-off-by: Sridhar Vinay Acked-by: Shirish Pargaonkar CC: Stable Signed-off-by: Steve French [chrisw: minor backport to CHANGES file] Signed-off-by: Chris Wright Signed-off-by: Greg Kroah-Hartman --- fs/cifs/CHANGES | 3 +++ fs/cifs/connect.c | 2 +- 2 files changed, 4 insertions(+), 1 deletion(-) --- a/fs/cifs/CHANGES +++ b/fs/cifs/CHANGES @@ -1,4 +1,7 @@ Fix oops in cifs_dfs_ref.c when prefixpath is not reachable when using DFS. +Fix "redzone overwritten" bug in cifs_put_tcon (CIFSTcon may allocate too +little memory for the "nativeFileSystem" field returned by the server +during mount). Version 1.54 ------------ --- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -3549,7 +3549,7 @@ CIFSTCon(unsigned int xid, struct cifsSe BCC(smb_buffer_response)) { kfree(tcon->nativeFileSystem); tcon->nativeFileSystem = - kzalloc(length + 2, GFP_KERNEL); + kzalloc(2*(length + 1), GFP_KERNEL); if (tcon->nativeFileSystem) cifs_strfromUCS_le( tcon->nativeFileSystem, -- 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/