From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 67583947E; Thu, 30 May 2024 07:48:37 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717055317; cv=none; b=uvP5iCqK3WSfe8krYxJR8b6I7A6uUTYcgjkVCb1z9iCi0W+Nl27A+nkDYY2K+SW+sD6DQUZlkbiUP4GZgknlgKeMRE9WhC33sGVBs+64mI+lcphKeIRTLMgtlELt/DIr4DqBcJmLYR8N9w6LtWSg1b0Mp+D7R5DOUCcm7g8DQmY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717055317; c=relaxed/simple; bh=KrIXXGCyYoQepPvoPZ939b4c91CImdKHjnysOffQO0g=; h=From:To:Cc:Subject:References:Date:In-Reply-To:Message-ID: MIME-Version:Content-Type; b=LnS2bSaoLL6RUHDujj95+JTBVn8kdE6qZpZZTuNZuUmCX43mSbY1TcRUZNj1g7HVLFiTkGikobUwRz7GxgSs8B2WWcViiZPPf+nub04IuA6wL5YQ6wrmOXET1oF8hblpnkORG8eVV6t4tVcnKyIPeYrLRkdeK7NHzfi2kDLZa04= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=a7KT9rvZ; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="a7KT9rvZ" Received: by smtp.kernel.org (Postfix) with ESMTPSA id B4C5DC3277B; Thu, 30 May 2024 07:48:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1717055316; bh=KrIXXGCyYoQepPvoPZ939b4c91CImdKHjnysOffQO0g=; h=From:To:Cc:Subject:References:Date:In-Reply-To:From; b=a7KT9rvZi8dNyYFnxxT7cmUPUzHD+e1+BG+wsH0h1+uBaZYeG+zU7+Aa58/0PfXLF zwExgtoyc41YtzO93xVOVvFBcnIB/XJ5QVn2nS+dBjb4fckSeit7HdYec88Aaipf5p wB3k4JOnV0a8QG30hGeKRFvKVPjidCZB6AEeEgWya57b/3aDHgI3+Krn3WqbHrAGs1 A8mZoGQcmHtdOTSXzvojw7Ge63LZRYrKU8JkPcdrjPw8iCt23kMikf4m3jclJ6JAwv AegyuNCXdSqh9/vSretBA9Nun7b1g7ASPxr3SdDfcwQgts5SEhWpdgEYZQ6HWOwGWR yKPw4U52dAd3w== From: Kalle Valo To: Dan Williams Cc: Dave Jiang , Bjorn Helgaas , , , , Jeff Johnson , , , Subject: Re: [regression] BUG: KASAN: use-after-free in lockdep_register_key+0x755/0x8f0 References: <87v82y6wvi.fsf@kernel.org> <87wmncwqxf.fsf@kernel.org> <87sexzx02f.fsf@kernel.org> <66582bee45da8_6ec329496@dwillia2-mobl3.amr.corp.intel.com.notmuch> Date: Thu, 30 May 2024 10:48:32 +0300 In-Reply-To: <66582bee45da8_6ec329496@dwillia2-mobl3.amr.corp.intel.com.notmuch> (Dan Williams's message of "Thu, 30 May 2024 00:34:06 -0700") Message-ID: <87jzjbwxin.fsf@kernel.org> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.2 (gnu/linux) Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain Dan Williams writes: > Kalle Valo wrote: > >> Kalle Valo writes: >> >> > Kalle Valo writes: >> > >> >> Yesterday I run our ath11k regression tests with v6.10-rc1 and our >> >> simple ath11k module reload stress started failing reliably with various >> >> KASAN errors. The test removes and inserts ath11k and other wireless >> >> modules in a loop. Usually I run it at least 100 times, some times even >> >> more, and no issues until yesterday. >> >> >> >> I have verified that the last wireless-next pull request (tag >> >> wireless-next-2024-05-08) works without issues and v6.10-rc1 fails >> >> always, usually within 50 module reload loops. From this I'm _guessing_ >> >> that we have a regression outside wireless, most probably introduced >> >> between v6.9 and v6.10-rc1. But of course I cannot be sure of anything >> >> yet. >> >> >> >> I see different KASAN warnings and lockdep seems to be always visible in >> >> the stack traces. I think I can reproduce the issue within 15 minutes or >> >> so. Before I start bisecting has anyone else seen anything similar? Or >> >> any suggestions how to debug this further? >> >> >> >> I have included some crash logs below, they are retrieved using >> >> netconsole. Here's a summary of the errors: >> >> >> >> [ 159.970765] KASAN: maybe wild-memory-access in range >> >> [0xbbbbbbbbbbbbbbb8-0xbbbbbbbbbbbbbbbf] >> >> [ 700.017632] BUG: KASAN: use-after-free in lockdep_register_key+0x755/0x8f0 >> >> [ 224.695821] BUG: KASAN: slab-out-of-bounds in lockdep_register_key+0x755/0x8f0 >> >> [ 259.666542] BUG: KASAN: slab-use-after-free in >> >> lockdep_register_key+0x755/0x8f0 > > The proposed fix for that is here: > > http://lore.kernel.org/r/66560aa9dbedb_195e294b0@dwillia2-mobl3.amr.corp.intel.com.notmuch I get "Not Found" from that link, is there a typo? -- https://patchwork.kernel.org/project/linux-wireless/list/ https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches