diff options
| author | Chuck Lever <chuck.lever@oracle.com> | 2022-11-26 15:55:18 -0500 |
|---|---|---|
| committer | Chuck Lever <cel@kernel.org> | 2022-12-10 11:01:13 -0500 |
| commit | da522b5fe1a5f8b7c20a0023e87b52a150e53bf5 (patch) | |
| tree | 9fef0c682f61f5132117e0889729cd0e2cc2a234 /net/sunrpc | |
| parent | 638593be55c0b37a1930038460a9918215d5c24b (diff) | |
| download | linux-da522b5fe1a5f8b7c20a0023e87b52a150e53bf5.tar.bz2 | |
SUNRPC: Don't leak netobj memory when gss_read_proxy_verf() fails
Fixes: 030d794bf498 ("SUNRPC: Use gssproxy upcall for server RPCGSS authentication.")
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Cc: <stable@vger.kernel.org>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Diffstat (limited to 'net/sunrpc')
| -rw-r--r-- | net/sunrpc/auth_gss/svcauth_gss.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/net/sunrpc/auth_gss/svcauth_gss.c b/net/sunrpc/auth_gss/svcauth_gss.c index bcd74dddbe2d..9a5db285d4ae 100644 --- a/net/sunrpc/auth_gss/svcauth_gss.c +++ b/net/sunrpc/auth_gss/svcauth_gss.c @@ -1162,18 +1162,23 @@ static int gss_read_proxy_verf(struct svc_rqst *rqstp, return res; inlen = svc_getnl(argv); - if (inlen > (argv->iov_len + rqstp->rq_arg.page_len)) + if (inlen > (argv->iov_len + rqstp->rq_arg.page_len)) { + kfree(in_handle->data); return SVC_DENIED; + } pages = DIV_ROUND_UP(inlen, PAGE_SIZE); in_token->pages = kcalloc(pages, sizeof(struct page *), GFP_KERNEL); - if (!in_token->pages) + if (!in_token->pages) { + kfree(in_handle->data); return SVC_DENIED; + } in_token->page_base = 0; in_token->page_len = inlen; for (i = 0; i < pages; i++) { in_token->pages[i] = alloc_page(GFP_KERNEL); if (!in_token->pages[i]) { + kfree(in_handle->data); gss_free_in_token_pages(in_token); return SVC_DENIED; } |