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Added actual event logging calls to the FORTIFY_SOURCE methods.

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Change-Id: I3bf4fa8678c33187cb8ce4b75e666ddcd24403ab
This commit is contained in:
Geremy Condra
2012-06-08 14:39:11 -07:00
parent 76656afc6d
commit 009f38478e
8 changed files with 34 additions and 2 deletions
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8
libc/string/__strcat_chk.c
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@@ -50,11 +50,17 @@ char *__strcat_chk (char *dest, const char *src, size_t dest_buf_size)
size_t sum;
// sum = src_len + dest_len + 1 (with overflow protection)
if (!safe_add3(&sum, src_len, dest_len, 1U)) abort();
if (!safe_add3(&sum, src_len, dest_len, 1U)) {
__libc_android_log_print(ANDROID_LOG_FATAL, "libc",
"*** strcat integer overflow detected ***\n");
__libc_android_log_event_uid(BIONIC_EVENT_STRCAT_INTEGER_OVERFLOW);
abort();
}
if (sum > dest_buf_size) {
__libc_android_log_print(ANDROID_LOG_FATAL, "libc",
"*** strcat buffer overflow detected ***\n");
__libc_android_log_event_uid(BIONIC_EVENT_STRNCAT_BUFFER_OVERFLOW);
abort();
}