From: Eric Wong <e@80x24.org>
Date: Sat, 30 Oct 2021 08:11:40 +0000 (+0000)
Subject: lei: do not access {sock} after SIGPIPE
X-Git-Tag: v1.7.0~29
X-Git-Url: http://www.git.stargrave.org/?p=public-inbox.git;a=commitdiff_plain;h=9cd6f106919076285c3dcc0d48977d6b39c33ede

lei: do not access {sock} after SIGPIPE

It's possible for this to break out of the event loop if
note_sigpipe fires via PktOp in the same iteration.
---

diff --git a/lib/PublicInbox/LEI.pm b/lib/PublicInbox/LEI.pm
index 96f7c5e3..78b49a3b 100644
--- a/lib/PublicInbox/LEI.pm
+++ b/lib/PublicInbox/LEI.pm
@@ -1127,7 +1127,7 @@ sub event_step {
 	local %ENV = %{$self->{env}};
 	local $current_lei = $self;
 	eval {
-		my @fds = $recv_cmd->($self->{sock}, my $buf, 4096);
+		my @fds = $recv_cmd->($self->{sock} // return, my $buf, 4096);
 		if (scalar(@fds) == 1 && !defined($fds[0])) {
 			return if $! == EAGAIN;
 			die "recvmsg: $!" if $! != ECONNRESET;