All of lore.kernel.org
 help / color / mirror / Atom feed
From: Alexey Dobriyan <adobriyan@gmail.com>
To: akpm@linux-foundation.org
Cc: linux-kernel@vger.kernel.org
Subject: [PATCH -mm 1/2] proc: exit correctly in /proc/*/maps test
Date: Wed, 6 Feb 2019 10:36:59 +0300	[thread overview]
Message-ID: <20190206073659.GB15311@avx2> (raw)

If open() or writev() fails, test will hang waiting for child test
process.

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
---

	fold into proc-test-proc-maps-smaps-smaps_rollup-statm.patch

 tools/testing/selftests/proc/proc-pid-vm.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/tools/testing/selftests/proc/proc-pid-vm.c
+++ b/tools/testing/selftests/proc/proc-pid-vm.c
@@ -189,11 +189,11 @@ static int make_exe(const uint8_t *payload, size_t len)
 
 	fd = openat(AT_FDCWD, "/tmp", O_WRONLY|O_EXCL|O_TMPFILE, 0700);
 	if (fd == -1) {
-		return 1;
+		exit(1);
 	}
 
 	if (writev(fd, iov, 3) != sizeof(struct elf64_hdr) + sizeof(struct elf64_phdr) + len) {
-		return 1;
+		exit(1);
 	}
 
 	/* Avoid ETXTBSY on exec. */

             reply	other threads:[~2019-02-06  7:37 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-02-06  7:36 Alexey Dobriyan [this message]
2019-02-06  7:39 ` [PATCH -mm 2/2] proc: use ramfs for executable generation Alexey Dobriyan

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20190206073659.GB15311@avx2 \
    --to=adobriyan@gmail.com \
    --cc=akpm@linux-foundation.org \
    --cc=linux-kernel@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.