daandemeyer / rpms / systemd

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From ebdb96247433d920b391672e019da9402aabd351 Mon Sep 17 00:00:00 2001
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From: David Tardon <dtardon@redhat.com>
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Date: Wed, 10 Oct 2018 13:56:54 +0200
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Subject: [PATCH] journal-file: avoid calling ftruncate with invalid fd
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This can happen if journal_file_close is called from the failure
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handling code of journal_file_open before f->fd was established.
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(cherry picked from commit c52368509f48e556be5a4c7a171361b656a25e02)
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Resolves: #1602706
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---
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 src/journal/journal-file.c | 3 +++
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 1 file changed, 3 insertions(+)
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diff --git a/src/journal/journal-file.c b/src/journal/journal-file.c
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index 62e7f68a13..efc3ee052b 100644
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--- a/src/journal/journal-file.c
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+++ b/src/journal/journal-file.c
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@@ -1846,6 +1846,9 @@ static int journal_file_append_entry_internal(
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 void journal_file_post_change(JournalFile *f) {
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         assert(f);
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+        if (f->fd < 0)
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+                return;
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+
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         /* inotify() does not receive IN_MODIFY events from file
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          * accesses done via mmap(). After each access we hence
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          * trigger IN_MODIFY by truncating the journal file to its