Author: Remi Meier <remi.me...@gmail.com>
Branch:
Changeset: r1983:8c9162341945
Date: 2016-02-26 11:41 +0100
http://bitbucket.org/pypy/stmgc/changeset/8c9162341945/
Log: fix infinite loop in segfault handler
diff --git a/c8/stm/setup.c b/c8/stm/setup.c
--- a/c8/stm/setup.c
+++ b/c8/stm/setup.c
@@ -287,13 +287,15 @@
if (addr == NULL)
return;
stm_thread_local_t *tl = stm_all_thread_locals;
- while (tl != NULL) {
+ if (tl == NULL)
+ return;
+ do {
char *trap = _shadowstack_trap_page(tl->shadowstack_base);
if (trap <= addr && addr <= trap + 4095) {
fprintf(stderr, "This is caused by a stack overflow.\n"
- "Sorry, proper RuntimeError support is not implemented
yet.\n");
+ "Sorry, proper RuntimeError support is not implemented
yet.\n");
return;
}
tl = tl->next;
- }
+ } while (tl != stm_all_thread_locals);
}
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