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* LVM2 ./WHATS_NEW lib/misc/lvm-exec.c tools/pol ...
@ 2011-01-10 19:31 zkabelac
0 siblings, 0 replies; only message in thread
From: zkabelac @ 2011-01-10 19:31 UTC (permalink / raw)
To: lvm-devel, lvm2-cvs
CVSROOT: /cvs/lvm2
Module name: LVM2
Changes by: zkabelac@sourceware.org 2011-01-10 19:31:02
Modified files:
. : WHATS_NEW
lib/misc : lvm-exec.c
tools : polldaemon.c
Log message:
Avoid cookie sharing between forked processes
Before fork, ensure cookie is reset so it's not shared between processes.
Patches:
http://sourceware.org/cgi-bin/cvsweb.cgi/LVM2/WHATS_NEW.diff?cvsroot=lvm2&r1=1.1872&r2=1.1873
http://sourceware.org/cgi-bin/cvsweb.cgi/LVM2/lib/misc/lvm-exec.c.diff?cvsroot=lvm2&r1=1.8&r2=1.9
http://sourceware.org/cgi-bin/cvsweb.cgi/LVM2/tools/polldaemon.c.diff?cvsroot=lvm2&r1=1.40&r2=1.41
--- LVM2/WHATS_NEW 2011/01/10 14:51:33 1.1872
+++ LVM2/WHATS_NEW 2011/01/10 19:31:02 1.1873
@@ -1,5 +1,6 @@
Version 2.02.81 -
===================================
+ Fix cookie sharing between forked lvm processes (2.02.80).
Version 2.02.80 - 10th January 2011
===================================
--- LVM2/lib/misc/lvm-exec.c 2010/11/01 14:17:36 1.8
+++ LVM2/lib/misc/lvm-exec.c 2011/01/10 19:31:02 1.9
@@ -54,6 +54,8 @@
log_verbose("Executing: %s", _verbose_args(argv, buf, sizeof(buf)));
+ fs_unlock(); /* Flush oops and ensure cookie is not shared */
+
if ((pid = fork()) == -1) {
log_error("fork failed: %s", strerror(errno));
return 0;
--- LVM2/tools/polldaemon.c 2011/01/05 12:59:47 1.40
+++ LVM2/tools/polldaemon.c 2011/01/10 19:31:02 1.41
@@ -42,6 +42,8 @@
sigaction(SIGCHLD, &act, NULL);
+ fs_unlock(); /* Flush oops and ensure cookie is not shared */
+
if ((pid = fork()) == -1) {
log_error("fork failed: %s", strerror(errno));
return -1;
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