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| author | Chuck Lever <chuck.lever@oracle.com> | 2024-06-03 00:15:25 +0200 |
|---|---|---|
| committer | Chuck Lever <chuck.lever@oracle.com> | 2024-06-03 15:07:55 +0200 |
| commit | 4a77c3dead97339478c7422eb07bf4bf63577008 (patch) | |
| tree | b62cb2c16c365df73819f2098033157648a70ec2 /net/sunrpc/auth_gss | |
| parent | NFSD: Force all NFSv4.2 COPY requests to be synchronous (diff) | |
| download | linux-4a77c3dead97339478c7422eb07bf4bf63577008.tar.xz linux-4a77c3dead97339478c7422eb07bf4bf63577008.zip | |
SUNRPC: Fix loop termination condition in gss_free_in_token_pages()
The in_token->pages[] array is not NULL terminated. This results in
the following KASAN splat:
KASAN: maybe wild-memory-access in range [0x04a2013400000008-0x04a201340000000f]
Fixes: bafa6b4d95d9 ("SUNRPC: Fix gss_free_in_token_pages()")
Reviewed-by: Benjamin Coddington <bcodding@redhat.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Diffstat (limited to 'net/sunrpc/auth_gss')
| -rw-r--r-- | net/sunrpc/auth_gss/svcauth_gss.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/sunrpc/auth_gss/svcauth_gss.c b/net/sunrpc/auth_gss/svcauth_gss.c index 96ab50eda9c2..73a90ad873fb 100644 --- a/net/sunrpc/auth_gss/svcauth_gss.c +++ b/net/sunrpc/auth_gss/svcauth_gss.c @@ -1069,7 +1069,7 @@ static int gss_read_proxy_verf(struct svc_rqst *rqstp, goto out_denied_free; pages = DIV_ROUND_UP(inlen, PAGE_SIZE); - in_token->pages = kcalloc(pages, sizeof(struct page *), GFP_KERNEL); + in_token->pages = kcalloc(pages + 1, sizeof(struct page *), GFP_KERNEL); if (!in_token->pages) goto out_denied_free; in_token->page_base = 0; |