gdb/gdb-moribund-utrace-workaround.patch
Sergio Durigan Junior a5d2c85367 Rebase to FSF GDB 9.0.90.20200203 (9.1pre).
Bump 'snapgnulib' date.
Update URL to 'https'.
Adjust build-id patchset.
Adjust VLA patchset.
Drop 'gdb-6.8-bz436037-reg-no-longer-active.patch'.
Drop 'gdb-6.6-scheduler_locking-step-is-default.patch'.
2020-02-04 15:07:12 -05:00

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Diff

From FEDORA_PATCHES Mon Sep 17 00:00:00 2001
From: Fedora GDB patches <invalid@email.com>
Date: Fri, 27 Oct 2017 21:07:50 +0200
Subject: gdb-moribund-utrace-workaround.patch
;; Workaround non-stop moribund locations exploited by kernel utrace (BZ 590623).
;;=push+jan: Currently it is still not fully safe.
https://bugzilla.redhat.com/show_bug.cgi?id=590623
http://sources.redhat.com/bugzilla/show_bug.cgi?id=11593
Bug in FSF GDB exploited by the ptrace-on-utrace interaction.
diff --git a/gdb/breakpoint.c b/gdb/breakpoint.c
--- a/gdb/breakpoint.c
+++ b/gdb/breakpoint.c
@@ -11904,6 +11904,8 @@ update_global_location_list (enum ugll_insert_mode insert_mode)
traps we can no longer explain. */
old_loc->events_till_retirement = 3 * (thread_count () + 1);
+ /* Red Hat Bug 590623. */
+ old_loc->events_till_retirement *= 10;
old_loc->owner = NULL;
moribund_locations.push_back (old_loc);