You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
23 lines
845 B
23 lines
845 B
Downstream-only patch from Mark Wielaard <mjw@redhat.com> to avoid a |
|
crash in backtrace if the vDSO is not available. |
|
|
|
Upstream, this code was removed in commit 82fd7314c7df8c5555dce02 |
|
("powerpc: Remove backtrace implementation"), so patch is not needed |
|
there. |
|
|
|
diff --git a/sysdeps/powerpc/powerpc64/backtrace.c b/sysdeps/powerpc/powerpc64/backtrace.c |
|
index 37de9b5bdd73c316..0ffa7509dfa4862a 100644 |
|
--- a/sysdeps/powerpc/powerpc64/backtrace.c |
|
+++ b/sysdeps/powerpc/powerpc64/backtrace.c |
|
@@ -68,8 +68,9 @@ static inline bool |
|
is_sigtramp_address (void *nip) |
|
{ |
|
#ifdef HAVE_SIGTRAMP_RT64 |
|
- if (nip == GLRO (dl_vdso_sigtramp_rt64) || |
|
- nip == GLRO (dl_vdso_sigtramp_rt64) + 4) |
|
+ if ((nip == GLRO (dl_vdso_sigtramp_rt64) || |
|
+ nip == GLRO (dl_vdso_sigtramp_rt64) + 4) |
|
+ && nip != NULL) |
|
return true; |
|
#endif |
|
return false;
|
|
|