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| author | Dmitry Vyukov <dvyukov@google.com> | 2018-04-27 14:16:47 +0200 |
|---|---|---|
| committer | Dmitry Vyukov <dvyukov@google.com> | 2018-04-27 14:33:01 +0200 |
| commit | ebfe5a54b7a02fa9f10b71bcda74737fb8c7b50b (patch) | |
| tree | e0704d59364e7dccd9da13172c5892f83ac34c55 | |
| parent | 476b8ca98716212439618bda7ae66d7c0dcf24b7 (diff) | |
syz-fuzzer: use proper pointer size when checking coverage
| -rw-r--r-- | syz-fuzzer/fuzzer_linux.go | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/syz-fuzzer/fuzzer_linux.go b/syz-fuzzer/fuzzer_linux.go index b91b7bac0..46f07e0ac 100644 --- a/syz-fuzzer/fuzzer_linux.go +++ b/syz-fuzzer/fuzzer_linux.go @@ -8,6 +8,7 @@ import ( "os" "syscall" "time" + "unsafe" "github.com/google/syzkaller/pkg/log" "github.com/google/syzkaller/sys/linux" @@ -153,7 +154,7 @@ func checkCompsSupported() (kcov, comps bool) { log.Logf(1, "KCOV_CHECK: KCOV_INIT_TRACE = %v", errno) return } - _, err = syscall.Mmap(fd, 0, int(coverSize*8), + _, err = syscall.Mmap(fd, 0, int(coverSize*unsafe.Sizeof(uintptr(0))), syscall.PROT_READ|syscall.PROT_WRITE, syscall.MAP_SHARED) if err != nil { log.Logf(1, "KCOV_CHECK: mmap = %v", err) |