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From 98a7d90ee258ceef9c70b0b2955d0458ec46f048 Mon Sep 17 00:00:00 2001
From: elsid <elsid.mail@gmail.com>
Date: Fri, 24 Sep 2021 19:40:29 +0200
Subject: [PATCH] Assume SIGSTKSZ is not a constant
SIGSTKSZ is not defined as constant since glibc 2.34:
https://sourceware.org/git/?p=glibc.git;a=commit;h=6c57d320484988e87e446e2e60ce42816bf51d53
---
components/crashcatcher/crashcatcher.cpp | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/components/crashcatcher/crashcatcher.cpp b/components/crashcatcher/crashcatcher.cpp
index 86571e1e3a..c828e1ca81 100644
--- a/components/crashcatcher/crashcatcher.cpp
+++ b/components/crashcatcher/crashcatcher.cpp
@@ -56,8 +56,6 @@ static const char exec_err[] = "!!! Failed to exec debug process\n";
static char argv0[PATH_MAX];
-static char altstack[SIGSTKSZ];
-
static struct {
int signum;
@@ -475,9 +473,10 @@ int crashCatcherInstallHandlers(int argc, char **argv, int num_signals, int *sig
/* Set an alternate signal stack so SIGSEGVs caused by stack overflows
* still run */
+ static char* altstack = new char [SIGSTKSZ];
altss.ss_sp = altstack;
altss.ss_flags = 0;
- altss.ss_size = sizeof(altstack);
+ altss.ss_size = SIGSTKSZ;
sigaltstack(&altss, nullptr);
memset(&sa, 0, sizeof(sa));
--
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