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fuzz: decrease DATA_SIZE_MAX

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Fixes oss-fuzz#8658.
This commit is contained in:
Yu Watanabe 2018-11-12 18:08:45 +09:00
parent 27f931d1cd
commit 25cad95c82
2 changed files with 10 additions and 0 deletions
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5
src/basic/journal-importer.h
View file

@ -12,8 +12,13 @@
/* Make sure not to make this smaller than the maximum coredump size.
* See JOURNAL_SIZE_MAX in coredump.c */
#ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
#define ENTRY_SIZE_MAX (1024*1024*770u)
#define DATA_SIZE_MAX (1024*1024*768u)
#else
#define ENTRY_SIZE_MAX (1024*1024*13u)
#define DATA_SIZE_MAX (1024*1024*11u)
#endif
#define LINE_CHUNK 8*1024u
struct iovec_wrapper {

5
src/coredump/coredump.c
View file

@ -55,7 +55,12 @@
#define EXTERNAL_SIZE_MAX PROCESS_SIZE_MAX
/* The maximum size up to which we store the coredump in the journal */
#ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
#define JOURNAL_SIZE_MAX ((size_t) (767LU*1024LU*1024LU))
#else
/* oss-fuzz limits memory usage. */
#define JOURNAL_SIZE_MAX ((size_t) (10LU*1024LU*1024LU))
#endif
/* Make sure to not make this larger than the maximum journal entry
* size. See DATA_SIZE_MAX in journal-importer.h. */