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| author | Kostya Serebryany <kcc@google.com> | 2012-02-07 00:47:35 +0000 |
|---|---|---|
| committer | Kostya Serebryany <kcc@google.com> | 2012-02-07 00:47:35 +0000 |
| commit | 614b53de1bad5627047adb0c5f452ef9b8517968 (patch) | |
| tree | da5a2c4cd0ec5381870f8f37fa0cf138e584b343 | |
| parent | ece0409a1a45895985a18dfc6c77c497e7ea4de7 (diff) | |
| download | bcm5719-llvm-614b53de1bad5627047adb0c5f452ef9b8517968.tar.gz bcm5719-llvm-614b53de1bad5627047adb0c5f452ef9b8517968.zip | |
[asan] don't crash if /proc/self/maps has enormous size (linux)
llvm-svn: 149944
| -rw-r--r-- | compiler-rt/lib/asan/asan_linux.cc | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/compiler-rt/lib/asan/asan_linux.cc b/compiler-rt/lib/asan/asan_linux.cc index cf1e6abc879..01a019eac85 100644 --- a/compiler-rt/lib/asan/asan_linux.cc +++ b/compiler-rt/lib/asan/asan_linux.cc @@ -131,7 +131,7 @@ const char* AsanGetEnv(const char* name) { inited = true; size_t environ_size; len = ReadFileToBuffer("/proc/self/environ", - &environ, &environ_size, 1 << 20); + &environ, &environ_size, 1 << 26); } if (!environ || len == 0) return NULL; size_t namelen = internal_strlen(name); @@ -160,7 +160,7 @@ int AsanClose(int fd) { AsanProcMaps::AsanProcMaps() { proc_self_maps_buff_len_ = ReadFileToBuffer("/proc/self/maps", &proc_self_maps_buff_, - &proc_self_maps_buff_mmaped_size_, 1 << 20); + &proc_self_maps_buff_mmaped_size_, 1 << 26); CHECK(proc_self_maps_buff_len_ > 0); // AsanWrite(2, proc_self_maps_buff_, proc_self_maps_buff_len_); Reset(); |
