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From: Michael Ellerman <mpe@ellerman.id.au>
To: Sven Schnelle <svens@linux.ibm.com>,
	Andrew Morton <akpm@linux-foundation.org>
Cc: Masami Hiramatsu <mhiramat@kernel.org>,
	Oleg Nesterov <oleg@redhat.com>,
	Peter Zijlstra <peterz@infradead.org>,
	Ingo Molnar <mingo@redhat.com>,
	Arnaldo Carvalho de Melo <acme@kernel.org>,
	Namhyung Kim <namhyung@kernel.org>,
	Mark Rutland <mark.rutland@arm.com>,
	Alexander Shishkin <alexander.shishkin@linux.intel.com>,
	Jiri Olsa <jolsa@kernel.org>, Ian Rogers <irogers@google.com>,
	Adrian Hunter <adrian.hunter@intel.com>,
	"Liang, Kan" <kan.liang@linux.intel.com>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org,
	linux-perf-users@vger.kernel.org
Subject: Re: [PATCH] uprobes: use vm_special_mapping close() functionality
Date: Wed, 04 Sep 2024 13:57:13 +1000	[thread overview]
Message-ID: <87v7zc5aw6.fsf@mail.lhotse> (raw)
In-Reply-To: <yt9dikvd9nye.fsf@linux.ibm.com>

Sven Schnelle <svens@linux.ibm.com> writes:
> Hi Michael,

Hi Sven,

> Sven Schnelle <svens@linux.ibm.com> writes:
>
>> The following KASAN splat was shown:
>>
>> [   44.505448] ==================================================================                                                                      20:37:27 [3421/145075]
>> [   44.505455] BUG: KASAN: slab-use-after-free in special_mapping_close+0x9c/0xc8
>> [   44.505471] Read of size 8 at addr 00000000868dac48 by task sh/1384
...
>> [..]
>
> As this has a dependency on your special mapping close series, do you
> want to carry that with your patches?

Andrew has my series in mm-stable, so I think this should go into mm as
well. I assume he will pick it up.

cheers

  reply	other threads:[~2024-09-04  3:57 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <CAHk-=wjD0XLhkzou89J-TK=L6B88pFoNYxN1uTWRQB3U5Czywg@mail.gmail.com>
2024-09-03  7:36 ` [PATCH] uprobes: use vm_special_mapping close() functionality Sven Schnelle
2024-09-03  7:49   ` Sven Schnelle
2024-09-04  3:57     ` Michael Ellerman [this message]
2024-09-04 21:26       ` Andrew Morton
2024-09-03  9:08   ` Oleg Nesterov
2024-09-03  9:32     ` Sven Schnelle
2024-09-03 19:12     ` Linus Torvalds
2024-09-03 19:31       ` Sven Schnelle
2024-09-03 19:34         ` Linus Torvalds
2024-09-03 19:32       ` Oleg Nesterov
2024-09-04  9:56       ` Oleg Nesterov
2024-09-04 10:03       ` Oleg Nesterov
2024-09-11  9:44   ` Oleg Nesterov
2024-09-11  9:57     ` Oleg Nesterov
2024-09-11 10:12       ` Oleg Nesterov
2024-09-11 13:13   ` [PATCH -mm 1/3] Revert "uprobes: use vm_special_mapping close() functionality" Oleg Nesterov
2024-09-11 13:14     ` [PATCH -mm 2/3] uprobes: introduce the global struct vm_special_mapping xol_mapping Oleg Nesterov
2024-09-11 13:14     ` [PATCH -mm 3/3] uprobes: turn xol_area->pages[2] into xol_area->page Oleg Nesterov

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