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-rw-r--r--ChangeLog7
-rw-r--r--version.h2
-rw-r--r--vm_dump.c10
3 files changed, 15 insertions, 4 deletions
diff --git a/ChangeLog b/ChangeLog
index b143725230..20cb13f06a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+Mon Sep 26 23:10:43 2016 NARUSE, Yui <naruse@ruby-lang.org>
+
+ * vm_dump.c (backtrace): use rip in the saved context for the case
+ the SIGSEGV is received when the process is in userland.
+ Note that ip in the stack should be used if the signal is received
+ when it is in kernel (when it is calling syscall) [Bug #12711]
+
Mon Sep 26 20:23:32 2016 CHIKANAGA Tomoyuki <nagachika@ruby-lang.org>
* gems/bundled_gems: update minitest to 5.8.5.
diff --git a/version.h b/version.h
index 7c40c249a9..1ba20db5bf 100644
--- a/version.h
+++ b/version.h
@@ -1,6 +1,6 @@
#define RUBY_VERSION "2.3.2"
#define RUBY_RELEASE_DATE "2016-09-26"
-#define RUBY_PATCHLEVEL 189
+#define RUBY_PATCHLEVEL 190
#define RUBY_RELEASE_YEAR 2016
#define RUBY_RELEASE_MONTH 9
diff --git a/vm_dump.c b/vm_dump.c
index df0d2413c9..01d15062fc 100644
--- a/vm_dump.c
+++ b/vm_dump.c
@@ -482,10 +482,14 @@ darwin_sigtramp:
unw_set_reg(&cursor, UNW_X86_64_R13, uctx->uc_mcontext->__ss.__r13);
unw_set_reg(&cursor, UNW_X86_64_R14, uctx->uc_mcontext->__ss.__r14);
unw_set_reg(&cursor, UNW_X86_64_R15, uctx->uc_mcontext->__ss.__r15);
- ip = *(unw_word_t*)uctx->uc_mcontext->__ss.__rsp;
- unw_set_reg(&cursor, UNW_REG_IP, ip);
- trace[n++] = (void *)uctx->uc_mcontext->__ss.__rip;
+ ip = uctx->uc_mcontext->__ss.__rip;
+ if (((char*)ip)[-2] == 0x0f && ((char*)ip)[-1] == 5) {
+ /* signal received in syscall */
+ trace[n++] = (void *)ip;
+ ip = *(unw_word_t*)uctx->uc_mcontext->__ss.__rsp;
+ }
trace[n++] = (void *)ip;
+ unw_set_reg(&cursor, UNW_REG_IP, ip);
}
while (unw_step(&cursor) > 0) {
unw_get_reg(&cursor, UNW_REG_IP, &ip);