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| author | Ben Wiederhake <BenWiederhake.GitHub@gmx.de> | 2021-03-10 20:02:48 +0100 |
|---|---|---|
| committer | Andreas Kling <kling@serenityos.org> | 2021-03-11 12:32:53 +0100 |
| commit | 798dea7a4964b08b9aeec2e68183819262b40daf (patch) | |
| tree | 546f80568cab9e18ea0176db0620c06f36d902c4 | |
| parent | bceb98e2df5f6030b4a95ad7d874e8a4c59f4026 (diff) | |
| download | serenity-798dea7a4964b08b9aeec2e68183819262b40daf.zip | |
crash: Fix typo in check logic
The remainder of the code assumes that the mmap was successful,
so the 'unexpected error' case is that we see MAP_FAILED.
| -rw-r--r-- | Userland/Utilities/crash.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/Userland/Utilities/crash.cpp b/Userland/Utilities/crash.cpp index 817dbc300e..cb9cad0cbf 100644 --- a/Userland/Utilities/crash.cpp +++ b/Userland/Utilities/crash.cpp @@ -238,7 +238,7 @@ int main(int argc, char** argv) if (do_write_to_read_only_memory || do_all_crash_types) { Crash("Write to read only memory", []() { auto* ptr = (u8*)mmap(nullptr, 4096, PROT_READ | PROT_WRITE, MAP_ANON, 0, 0); - if (ptr != MAP_FAILED) + if (ptr == MAP_FAILED) return Crash::Failure::UnexpectedError; *ptr = 'x'; // This should work fine. |