diff options
| -rw-r--r-- | src/pal/src/libunwind/src/x86/Gos-linux.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/pal/src/libunwind/src/x86/Gos-linux.c b/src/pal/src/libunwind/src/x86/Gos-linux.c index fb9a5e3461..4720370057 100644 --- a/src/pal/src/libunwind/src/x86/Gos-linux.c +++ b/src/pal/src/libunwind/src/x86/Gos-linux.c @@ -59,7 +59,9 @@ unw_is_signal_frame (unw_cursor_t *cursor) if SA_SIGINFO is specified. */ ip = c->dwarf.ip; - if ((*a->access_mem) (as, ip, &w0, 0, arg) < 0 + + if (!ip + || (*a->access_mem) (as, ip, &w0, 0, arg) < 0 || (*a->access_mem) (as, ip + 4, &w1, 0, arg) < 0) ret = 0; else |