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* [glibc/maskray/grte] Reduce __MAX_ALLOCA_CUTOFF to 8192
@ 2021-08-28  0:32 Fangrui Song
  0 siblings, 0 replies; 3+ messages in thread
From: Fangrui Song @ 2021-08-28  0:32 UTC (permalink / raw)
  To: glibc-cvs

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3a84f426fdd25e3a18c38f31ba8b41dbe0d55100

commit 3a84f426fdd25e3a18c38f31ba8b41dbe0d55100
Author: Stan Shebs <stanshebs@google.com>
Date:   Tue Oct 8 14:30:43 2019 -0700

    Reduce __MAX_ALLOCA_CUTOFF to 8192

Diff:
---
 include/alloca.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/include/alloca.h b/include/alloca.h
index fd90664f0a..900e744a41 100644
--- a/include/alloca.h
+++ b/include/alloca.h
@@ -19,7 +19,9 @@ extern int __libc_use_alloca (size_t size) __attribute__ ((const));
 extern int __libc_alloca_cutoff (size_t size) __attribute__ ((const));
 libc_hidden_proto (__libc_alloca_cutoff)
 
-#define __MAX_ALLOCA_CUTOFF	65536
+/* Reduce from the usual 65536 so as to avoid stack overflow in situations where
+   threads have not been given much spare stack space.  */
+#define __MAX_ALLOCA_CUTOFF	8192
 
 #include <allocalim.h>


^ permalink raw reply	[flat|nested] 3+ messages in thread
* [glibc/maskray/grte] Reduce __MAX_ALLOCA_CUTOFF to 8192
@ 2021-08-28  0:28 Fangrui Song
  0 siblings, 0 replies; 3+ messages in thread
From: Fangrui Song @ 2021-08-28  0:28 UTC (permalink / raw)
  To: glibc-cvs

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=73057fb624a8d06063c83c4a580de3ea39f31f3f

commit 73057fb624a8d06063c83c4a580de3ea39f31f3f
Author: Stan Shebs <stanshebs@google.com>
Date:   Tue Oct 8 14:30:43 2019 -0700

    Reduce __MAX_ALLOCA_CUTOFF to 8192

Diff:
---
 include/alloca.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/include/alloca.h b/include/alloca.h
index fd90664f0a..900e744a41 100644
--- a/include/alloca.h
+++ b/include/alloca.h
@@ -19,7 +19,9 @@ extern int __libc_use_alloca (size_t size) __attribute__ ((const));
 extern int __libc_alloca_cutoff (size_t size) __attribute__ ((const));
 libc_hidden_proto (__libc_alloca_cutoff)
 
-#define __MAX_ALLOCA_CUTOFF	65536
+/* Reduce from the usual 65536 so as to avoid stack overflow in situations where
+   threads have not been given much spare stack space.  */
+#define __MAX_ALLOCA_CUTOFF	8192
 
 #include <allocalim.h>


^ permalink raw reply	[flat|nested] 3+ messages in thread
* [glibc/maskray/grte] Reduce __MAX_ALLOCA_CUTOFF to 8192
@ 2021-08-27 23:45 Fangrui Song
  0 siblings, 0 replies; 3+ messages in thread
From: Fangrui Song @ 2021-08-27 23:45 UTC (permalink / raw)
  To: glibc-cvs

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d9cd3416e6100244b66f3ee3041ceab61e4c1cc8

commit d9cd3416e6100244b66f3ee3041ceab61e4c1cc8
Author: Stan Shebs <stanshebs@google.com>
Date:   Tue Oct 8 14:30:43 2019 -0700

    Reduce __MAX_ALLOCA_CUTOFF to 8192

Diff:
---
 include/alloca.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/include/alloca.h b/include/alloca.h
index fd90664f0a..900e744a41 100644
--- a/include/alloca.h
+++ b/include/alloca.h
@@ -19,7 +19,9 @@ extern int __libc_use_alloca (size_t size) __attribute__ ((const));
 extern int __libc_alloca_cutoff (size_t size) __attribute__ ((const));
 libc_hidden_proto (__libc_alloca_cutoff)
 
-#define __MAX_ALLOCA_CUTOFF	65536
+/* Reduce from the usual 65536 so as to avoid stack overflow in situations where
+   threads have not been given much spare stack space.  */
+#define __MAX_ALLOCA_CUTOFF	8192
 
 #include <allocalim.h>


^ permalink raw reply	[flat|nested] 3+ messages in thread
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