40 lines
1.6 KiB
Diff
40 lines
1.6 KiB
Diff
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From 57cd09acf2c63a414aa2131c00a2b3f600eb0133 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Zbigniew=20J=C4=99drzejewski-Szmek?= <zbyszek@in.waw.pl>
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Date: Sat, 23 Aug 2014 22:35:03 -0400
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Subject: [PATCH] sd-journal: properly convert object->size on big endian
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mmap code crashes when attempting to map an object of zero size.
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https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=758392
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https://bugs.freedesktop.org/show_bug.cgi?id=82894
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---
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src/journal/journal-file.h | 7 ++++---
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1 file changed, 4 insertions(+), 3 deletions(-)
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diff --git src/journal/journal-file.h src/journal/journal-file.h
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index 3d41682..da2ef3b 100644
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--- src/journal/journal-file.h
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+++ src/journal/journal-file.h
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@@ -214,14 +214,15 @@ static unsigned type_to_context(int type) {
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static inline int journal_file_object_keep(JournalFile *f, Object *o, uint64_t offset) {
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unsigned context = type_to_context(o->object.type);
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+ uint64_t s = le64toh(o->object.size);
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return mmap_cache_get(f->mmap, f->fd, f->prot, context, true,
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- offset, o->object.size, &f->last_stat, NULL);
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+ offset, s, &f->last_stat, NULL);
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}
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static inline int journal_file_object_release(JournalFile *f, Object *o, uint64_t offset) {
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unsigned context = type_to_context(o->object.type);
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+ uint64_t s = le64toh(o->object.size);
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- return mmap_cache_release(f->mmap, f->fd, f->prot, context,
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- offset, o->object.size);
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+ return mmap_cache_release(f->mmap, f->fd, f->prot, context, offset, s);
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}
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--
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1.7.9.2
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