35 lines
1.1 KiB
Diff
35 lines
1.1 KiB
Diff
From 53e7056c653cd49e558e008e3a0cd77cb91979df Mon Sep 17 00:00:00 2001
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From: Fedora GDB patches <invalid@email.com>
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Date: Fri, 27 Oct 2017 21:07:50 +0200
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Subject: gdb-moribund-utrace-workaround.patch
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FileName: gdb-moribund-utrace-workaround.patch
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;; Workaround non-stop moribund locations exploited by kernel utrace (BZ 590623).
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;;=push+jan: Currently it is still not fully safe.
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https://bugzilla.redhat.com/show_bug.cgi?id=590623
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http://sources.redhat.com/bugzilla/show_bug.cgi?id=11593
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Bug in FSF GDB exploited by the ptrace-on-utrace interaction.
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---
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gdb/breakpoint.c | 2 ++
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1 file changed, 2 insertions(+)
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diff --git a/gdb/breakpoint.c b/gdb/breakpoint.c
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index 269928a794..fb129bf38a 100644
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--- a/gdb/breakpoint.c
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+++ b/gdb/breakpoint.c
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@@ -12105,6 +12105,8 @@ update_global_location_list (enum ugll_insert_mode insert_mode)
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traps we can no longer explain. */
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old_loc->events_till_retirement = 3 * (thread_count () + 1);
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+ /* Red Hat Bug 590623. */
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+ old_loc->events_till_retirement *= 10;
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old_loc->owner = NULL;
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VEC_safe_push (bp_location_p, moribund_locations, old_loc);
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--
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2.14.3
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