Author: andrew
Date: Sat Jul 11 16:02:06 2015
New Revision: 285389
URL: https://svnweb.freebsd.org/changeset/base/285389
Log:
Always send a SIGSEGV on a map failure. Use the code to tell the reason
for the signal.
Sponsored by: ABT Systems Ltd
Modified:
head/sys/arm/arm/trap-v6.c
Modified: head/sys/arm/arm/trap-v6.c
==============================================================================
--- head/sys/arm/arm/trap-v6.c Sat Jul 11 15:22:11 2015 (r285388)
+++ head/sys/arm/arm/trap-v6.c Sat Jul 11 16:02:06 2015 (r285389)
@@ -542,8 +542,8 @@ nogo:
return;
}
- ksig.sig = (rv == KERN_PROTECTION_FAILURE) ? SIGBUS : SIGSEGV;
- ksig.code = 0;
+ ksig.sig = SIGSEGV;
+ ksig.code = (rv == KERN_PROTECTION_FAILURE) ? SEGV_ACCERR : SEGV_MAPERR;
ksig.addr = far;
do_trapsignal:
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