lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  linux-cve-announce  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [thread-next>] [day] [month] [year] [list]
Message-ID: <20190206073659.GB15311@avx2>
Date:   Wed, 6 Feb 2019 10:36:59 +0300
From:   Alexey Dobriyan <adobriyan@...il.com>
To:     akpm@...ux-foundation.org
Cc:     linux-kernel@...r.kernel.org
Subject: [PATCH -mm 1/2] proc: exit correctly in /proc/*/maps test

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

Signed-off-by: Alexey Dobriyan <adobriyan@...il.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. */

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ