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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.

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=758392
https://bugs.freedesktop.org/show_bug.cgi?id=82894
This commit is contained in:
Zbigniew Jędrzejewski-Szmek 2014-08-23 22:35:03 -04:00
parent 00b333bb10
commit 57cd09acf2
1 changed files with 4 additions and 3 deletions
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7
src/journal/journal-file.h
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@ -214,14 +214,15 @@ static unsigned type_to_context(int type) {
static inline int journal_file_object_keep(JournalFile *f, Object *o, uint64_t offset) {
unsigned context = type_to_context(o->object.type);
uint64_t s = le64toh(o->object.size);
return mmap_cache_get(f->mmap, f->fd, f->prot, context, true,
offset, o->object.size, &f->last_stat, NULL);
offset, s, &f->last_stat, NULL);
}
static inline int journal_file_object_release(JournalFile *f, Object *o, uint64_t offset) {
unsigned context = type_to_context(o->object.type);
uint64_t s = le64toh(o->object.size);
return mmap_cache_release(f->mmap, f->fd, f->prot, context,
offset, o->object.size);
return mmap_cache_release(f->mmap, f->fd, f->prot, context, offset, s);
}