| Message ID | 20201116082018.16496-1-wanghai38@huawei.com (mailing list archive) |
|---|---|
| State | Accepted |
| Commit | e33de7c5317e2827b2ba6fd120a505e9eb727b05 |
| Delegated to: | Netdev Maintainers |
| Headers | show |
| Series | [net] inet_diag: Fix error path to cancel the meseage in inet_req_diag_fill() | expand |
| Context | Check | Description |
|---|---|---|
| netdev/cover_letter | success | Link |
| netdev/fixes_present | success | Link |
| netdev/patch_count | success | Link |
| netdev/tree_selection | success | Clearly marked for net |
| netdev/subject_prefix | success | Link |
| netdev/source_inline | success | Was 0 now: 0 |
| netdev/verify_signedoff | success | Link |
| netdev/module_param | success | Was 0 now: 0 |
| netdev/build_32bit | success | Errors and warnings before: 0 this patch: 0 |
| netdev/kdoc | success | Errors and warnings before: 0 this patch: 0 |
| netdev/verify_fixes | success | Link |
| netdev/checkpatch | success | total: 0 errors, 0 warnings, 0 checks, 11 lines checked |
| netdev/build_allmodconfig_warn | success | Errors and warnings before: 0 this patch: 0 |
| netdev/header_inline | success | Link |
| netdev/stable | success | Stable not CCed |
Hello: This patch was applied to netdev/net.git (refs/heads/master): On Mon, 16 Nov 2020 16:20:18 +0800 you wrote: > nlmsg_cancel() needs to be called in the error path of > inet_req_diag_fill to cancel the message. > > Fixes: d545caca827b ("net: inet: diag: expose the socket mark to privileged processes.") > Reported-by: Hulk Robot <hulkci@huawei.com> > Signed-off-by: Wang Hai <wanghai38@huawei.com> > > [...] Here is the summary with links: - [net] inet_diag: Fix error path to cancel the meseage in inet_req_diag_fill() https://git.kernel.org/netdev/net/c/e33de7c5317e You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html
diff --git a/net/ipv4/inet_diag.c b/net/ipv4/inet_diag.c index 366a4507b5a3..93474b1bea4e 100644 --- a/net/ipv4/inet_diag.c +++ b/net/ipv4/inet_diag.c @@ -479,8 +479,10 @@ static int inet_req_diag_fill(struct sock *sk, struct sk_buff *skb, r->idiag_inode = 0; if (net_admin && nla_put_u32(skb, INET_DIAG_MARK, - inet_rsk(reqsk)->ir_mark)) + inet_rsk(reqsk)->ir_mark)) { + nlmsg_cancel(skb, nlh); return -EMSGSIZE; + } nlmsg_end(skb, nlh); return 0;
nlmsg_cancel() needs to be called in the error path of inet_req_diag_fill to cancel the message. Fixes: d545caca827b ("net: inet: diag: expose the socket mark to privileged processes.") Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Wang Hai <wanghai38@huawei.com> --- net/ipv4/inet_diag.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)