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
| ||
|
Date: Fri, 25 Aug 2017 13:02:46 +0200 From: Olaf Hering <olaf@...fle.de> To: "K. Y. Srinivasan" <kys@...rosoft.com>, Haiyang Zhang <haiyangz@...rosoft.com>, Stephen Hemminger <sthemmin@...rosoft.com>, devel@...uxdriverproject.org (open list:Hyper-V CORE AND DRIVERS), linux-kernel@...r.kernel.org (open list) Cc: Olaf Hering <olaf@...fle.de> Subject: [PATCH] tools: hv: handle EINTR in hv_fcopy_daemon If strace attaches to the daemon pread returns with EINTR, and the process exits. Catch this case and continue with the next iteration. Signed-off-by: Olaf Hering <olaf@...fle.de> --- tools/hv/hv_fcopy_daemon.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/tools/hv/hv_fcopy_daemon.c b/tools/hv/hv_fcopy_daemon.c index c273dd34d144..574e6bf5865c 100644 --- a/tools/hv/hv_fcopy_daemon.c +++ b/tools/hv/hv_fcopy_daemon.c @@ -201,6 +201,8 @@ int main(int argc, char *argv[]) ssize_t len; len = pread(fcopy_fd, &buffer, sizeof(buffer), 0); if (len < 0) { + if (errno == EINTR) + continue; syslog(LOG_ERR, "pread failed: %s", strerror(errno)); exit(EXIT_FAILURE); }
Powered by blists - more mailing lists