The patch 0034 mentioned in comment #10 is applied in the xenial package
2.1.26.dfsg1-14build1, so what Roberto hit could be a different issue
requiring a different fix.
Might have been this:
cyrus-sasl2 (2.1.26.dfsg1-15) unstable; urgency=medium
* Add fix for auth_rimap infinite loop (hang) when IMAP server closes
connection (Closes: #815208)
Patch is
https://bugs.debian.org/cgi-bin/bugreport.cgi?att=1;bug=815208;filename=auth_rimap_socket_closed.patch;msg=5:
--- a/saslauthd/auth_rimap.c
+++ b/saslauthd/auth_rimap.c
@@ -494,7 +494,7 @@
while( select (fds, &perm, NULL, NULL, &timeout ) >0 ) {
if ( FD_ISSET(s, &perm) ) {
ret = read(s, rbuf+rc, sizeof(rbuf)-rc);
- if ( ret<0 ) {
+ if ( ret<=0 ) {
rc = ret;
break;
} else {
@@ -607,7 +607,7 @@
while( select (fds, &perm, NULL, NULL, &timeout ) >0 ) {
if ( FD_ISSET(s, &perm) ) {
ret = read(s, rbuf+rc, sizeof(rbuf)-rc);
- if ( ret<0 ) {
+ if ( ret<=0 ) {
rc = ret;
break;
} else {
** Also affects: cyrus-sasl2 (Ubuntu Xenial)
Importance: Undecided
Status: New
** Changed in: cyrus-sasl2 (Ubuntu Precise)
Status: Triaged => Won't Fix
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https://bugs.launchpad.net/bugs/997217
Title:
salsauthd maxes cpu
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