[Bug 295991] lib/libc posix_spawnp(): PATH-search child runs on an undersized rfork_thread stack and underflows into the caller's heap (heavily-linked processes; PHP proc_open)

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=295991

Marek Zarychta <zarychtam@plan-b.pwste.edu.pl> changed:

           What    |Removed                     |Added
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                 CC|                            |zarychtam@plan-b.pwste.edu.
                   |                            |pl

--- Comment #5 from Marek Zarychta <zarychtam@plan-b.pwste.edu.pl> ---
(In reply to Kyle Evans from comment #3)
FWIW, it changes nothing to me. 

diff --git a/sys/amd64/include/vmparam.h b/sys/amd64/include/vmparam.h
index 763b89da9e12..75246b23df09 100644
--- a/sys/amd64/include/vmparam.h
+++ b/sys/amd64/include/vmparam.h
@@ -62,7 +62,7 @@
 #define        MAXDSIZ         (32768UL*1024*1024)     /* max data size */
 #endif
 #ifndef        DFLSSIZ
-#define        DFLSSIZ         (8UL*1024*1024)         /* initial stack size
limit */
+#define        DFLSSIZ         (16UL*1024*1024)                /* initial
stack size limit */
 #endif
 #ifndef        MAXSSIZ
 #define        MAXSSIZ         (512UL*1024*1024)       /* max stack size */

(In reply to Bryan Drewery from comment #2)
Perhaps we can incorporate this patch into the port ?

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