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-rw-r--r--src/afl-fuzz-stats.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/src/afl-fuzz-stats.c b/src/afl-fuzz-stats.c
index 81628a86..66e32e78 100644
--- a/src/afl-fuzz-stats.c
+++ b/src/afl-fuzz-stats.c
@@ -250,11 +250,13 @@ void write_stats_file(afl_state_t *afl, u32 t_bytes, double bitmap_cvg,
#endif
u64 cur_time = get_cur_time();
- u8 fn[PATH_MAX];
+ u8 fn_tmp[PATH_MAX];
+ u8 fn_final[PATH_MAX];
FILE *f;
- snprintf(fn, PATH_MAX, "%s/fuzzer_stats", afl->out_dir);
- f = create_ffile(fn);
+ snprintf(fn_tmp, PATH_MAX, "%s/.fuzzer_stats_tmp", afl->out_dir);
+ snprintf(fn_final, PATH_MAX, "%s/fuzzer_stats", afl->out_dir);
+ f = create_ffile(fn_tmp);
/* Keep last values in case we're called from another context
where exec/sec stats and such are not readily available. */
@@ -412,6 +414,7 @@ void write_stats_file(afl_state_t *afl, u32 t_bytes, double bitmap_cvg,
}
fclose(f);
+ rename(fn_tmp, fn_final);
}