diff options
| author | Andrey Kleshchev <andreykproductengine@lindenlab.com> | 2024-02-22 21:48:46 +0200 |
|---|---|---|
| committer | Andrey Kleshchev <117672381+akleshchev@users.noreply.github.com> | 2024-02-23 19:18:23 +0200 |
| commit | ae7b318e7f21d0d372d48a635ff1e2ea59c4acf6 (patch) | |
| tree | afa967ba22f54cd2dee34cd73d790f0cfd9688e6 /indra/llcommon | |
| parent | ae6aa3fc411baad073d24f10b4534e86fe77564c (diff) | |
viewer#875 Crash at uri normalization
Note that crash happened when setting LLProgressView::setMessage
Diffstat (limited to 'indra/llcommon')
| -rw-r--r-- | indra/llcommon/lluriparser.cpp | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/indra/llcommon/lluriparser.cpp b/indra/llcommon/lluriparser.cpp index e4f229dd16..f79a98a56d 100644 --- a/indra/llcommon/lluriparser.cpp +++ b/indra/llcommon/lluriparser.cpp @@ -164,8 +164,10 @@ void LLUriParser::extractParts() #if LL_DARWIN typedef void(*sighandler_t)(int); jmp_buf return_to_normalize; +static int sLastSignal = 0; void uri_signal_handler(int signal) { + sLastSignal = signal; // Apparently signal handler throwing an exception doesn't work. // This is ugly and unsafe due to not unwinding content of uriparser library, // but unless we have a way to catch this as NSexception, jump appears to be the only option. @@ -179,8 +181,10 @@ S32 LLUriParser::normalize() if (!mRes) { #if LL_DARWIN - sighandler_t last_handler; - last_handler = signal(SIGILL, &uri_signal_handler); // illegal instruction + sighandler_t last_sigill_handler, last_sigbus_handler; + last_sigill_handler = signal(SIGILL, &uri_signal_handler); // illegal instruction + last_sigbus_handler = signal(SIGBUS, &uri_signal_handler); + if (setjmp(return_to_normalize)) { // Issue: external library crashed via signal @@ -194,8 +198,9 @@ S32 LLUriParser::normalize() // if this can be handled by NSexception, it needs to be remade llassert(0); - LL_WARNS() << "Uriparser crashed with SIGILL, while processing: " << mNormalizedUri << LL_ENDL; - signal(SIGILL, last_handler); + LL_WARNS() << "Uriparser crashed with " << sLastSignal << " , while processing: " << mNormalizedUri << LL_ENDL; + signal(SIGILL, last_sigill_handler); + signal(SIGBUS, last_sigbus_handler); return 1; } #endif @@ -203,7 +208,8 @@ S32 LLUriParser::normalize() mRes = uriNormalizeSyntaxExA(&mUri, URI_NORMALIZE_SCHEME | URI_NORMALIZE_HOST); #if LL_DARWIN - signal(SIGILL, last_handler); + signal(SIGILL, last_sigill_handler); + signal(SIGBUS, last_sigbus_handler); #endif if (!mRes) @@ -226,7 +232,7 @@ S32 LLUriParser::normalize() } } - if(mTmpScheme) + if(mTmpScheme && mNormalizedUri.size() > 7) { mNormalizedUri = mNormalizedUri.substr(7); mTmpScheme = false; |