The following pull request was submitted through Github. It can be accessed and reviewed at: https://github.com/lxc/lxd/pull/7750
This e-mail was sent by the LXC bot, direct replies will not reach the author unless they happen to be subscribed to this list. === Description (from pull-request) === Link: https://launchpadlibrarian.net/492514639/buildlog_snap_ubuntu_bionic_amd64_lxd-latest-edge_BUILDING.txt.gz Signed-off-by: Christian Brauner <christian.brau...@ubuntu.com>
From 77544a6133846fe5e7da54e8f7ef89201c75cbb1 Mon Sep 17 00:00:00 2001 From: Christian Brauner <christian.brau...@ubuntu.com> Date: Sun, 9 Aug 2020 08:55:57 +0200 Subject: [PATCH] seccomp: check the return value of pwrite() Link: https://launchpadlibrarian.net/492514639/buildlog_snap_ubuntu_bionic_amd64_lxd-latest-edge_BUILDING.txt.gz Signed-off-by: Christian Brauner <christian.brau...@ubuntu.com> --- lxd/seccomp/seccomp.go | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/lxd/seccomp/seccomp.go b/lxd/seccomp/seccomp.go index 7c87c07e94..459728cd05 100644 --- a/lxd/seccomp/seccomp.go +++ b/lxd/seccomp/seccomp.go @@ -361,9 +361,8 @@ static int handle_bpf_syscall(int notify_fd, int mem_fd, struct seccomp_notify_p bpf_prog_fd = bpf(cmd, &new_attr, sizeof(new_attr)); if (bpf_prog_fd < 0) { int saved_errno = errno; - if (log_buf) - pwrite(mem_fd, log_buf, attr.log_size, attr.log_buf); - errno = saved_errno; + if (log_buf && pwrite(mem_fd, log_buf, attr.log_size, attr.log_buf) < 0) + errno = saved_errno; return -errno; }
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