From: Joel Brobecker <brobecker@adacore.com>
To: John Baldwin <jhb@FreeBSD.org>
Cc: Tom Tromey <tom@tromey.com>, gdb-patches@sourceware.org
Subject: Re: [PATCH v2 00/10] Undefined Behavior Sanitizer, this time with docs
Date: Mon, 08 Oct 2018 20:22:00 -0000 [thread overview]
Message-ID: <20181008202245.GC2993@adacore.com> (raw)
In-Reply-To: <8df7a2b9-800a-5a70-1075-e687145c9394@FreeBSD.org>
> FWIW, I built GDB master today and ubsan (from LLVM, not GCC) flagged a
> use of obstack_blank_fast() in minsyms.c with a negative offset (used to
> shrink an obstack) when trying to do 'start' on /bin/ls:
On my end, I am working on a resync of AdaCore's "head" version,
which would include this change as well. My testing shows that
it revealed some issues; I haven't had a chance to look into them yet
(next on my list today, hopefully), but this is making me think
there might be bona fide issues. Getting the location where things
are happening is pretty nice :).
--
Joel
next prev parent reply other threads:[~2018-10-08 20:22 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-10-02 4:44 Tom Tromey
2018-10-02 4:44 ` [PATCH v2 10/10] Add --enable-ubsan Tom Tromey
2018-10-02 13:53 ` Eli Zaretskii
2018-10-02 21:26 ` Tom Tromey
2018-10-02 21:28 ` Tom Tromey
2018-10-03 17:31 ` Eli Zaretskii
2018-10-03 17:54 ` Pedro Alves
2018-10-03 21:09 ` Tom Tromey
2018-10-02 4:44 ` [PATCH v2 02/10] Change dwarf2_frame_state_reg_info::reg to be std::vector Tom Tromey
2018-10-03 17:28 ` Pedro Alves
2018-10-03 21:05 ` Tom Tromey
2018-10-02 4:44 ` [PATCH v2 09/10] Avoid undefined behavior in expression dumping Tom Tromey
2018-10-03 17:48 ` Pedro Alves
2018-10-02 4:44 ` [PATCH v2 04/10] Avoid undefined behavior in extract_integer Tom Tromey
2018-10-02 4:44 ` [PATCH v2 07/10] Avoid undefined behavior in read_signed_leb128 Tom Tromey
2018-10-02 4:44 ` [PATCH v2 03/10] Use unsigned as base type for some enums Tom Tromey
2018-10-03 17:33 ` Pedro Alves
2018-10-03 21:07 ` Tom Tromey
2018-10-02 4:44 ` [PATCH v2 01/10] Do not pass NULL to memcpy Tom Tromey
2018-10-02 4:44 ` [PATCH v2 08/10] Avoid undefined behavior in ada_operator_length Tom Tromey
2018-10-02 4:44 ` [PATCH v2 05/10] Avoid undefined behavior in read_subrange_type Tom Tromey
2018-10-02 4:44 ` [PATCH v2 06/10] Avoid undefined behavior in parse_number Tom Tromey
2018-10-03 17:57 ` [PATCH v2 00/10] Undefined Behavior Sanitizer, this time with docs Pedro Alves
2018-10-03 21:09 ` Tom Tromey
2018-10-08 19:14 ` John Baldwin
2018-10-08 20:22 ` Joel Brobecker [this message]
2018-10-09 10:44 ` Pedro Alves
2018-10-12 21:07 ` Joel Brobecker
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