From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail6.webfaction.com ([74.55.86.74]:41051 "EHLO smtp.webfaction.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752654AbdARUME (ORCPT ); Wed, 18 Jan 2017 15:12:04 -0500 From: Christoph Groth To: Goldwyn Rodrigues Cc: Chris Murphy , Btrfs BTRFS Subject: Re: gdb log of crashed "btrfs-image -s" References: <87o9z7dzvd.fsf@grothesque.org> <42eaf69b-c444-fc50-2128-3a1fbd18b335@suse.de> <871sw2cbzb.fsf@grothesque.org> <6f5ba97f-0c13-4ad1-fda3-a10db7024ef7@suse.de> <87lgu9cu2v.fsf@grothesque.org> <877f5tcmgk.fsf@grothesque.org> <87wpdsc03i.fsf_-_@grothesque.org> Date: Wed, 18 Jan 2017 21:11:04 +0100 In-Reply-To: (Goldwyn Rodrigues's message of "Wed, 18 Jan 2017 05:49:50 -0600") Message-ID: <87fukgcenb.fsf@grothesque.org> MIME-Version: 1.0 Content-Type: multipart/signed; boundary="==-=-="; micalg=pgp-sha512; protocol="application/pgp-signature" Sender: linux-btrfs-owner@vger.kernel.org List-ID: --==-=-= Content-Type: multipart/mixed; boundary="=-=-=" --=-=-= Content-Type: text/plain; format=flowed Goldwyn Rodrigues wrote: > Thanks Christoph for the backtrace. I am unable to reproduce it, > but looking at your backtrace, I found a bug. Would you be able > to give it a try and check if it fixes the problem? I applied your patch to v4.9, and compiled the static binaries. Unfortunately, it still segfaults. (Perhaps your fix is correct, and there's a second problem?) I attach a new backtrace. Do let me know if I can help in another way. --=-=-= Content-Type: application/octet-stream Content-Disposition: attachment; filename=btrfs-image2.log Content-Transfer-Encoding: base64 cm9vdEB4dWJ1bnR1On4jIGdkYiAvbW50L2J0cmZzLWltYWdlLnN0YXRpYyAKR05VIGdkYiAoVWJ1 bnR1IDcuMTEtMHVidW50dTEpIDcuMTEKQ29weXJpZ2h0IChDKSAyMDE2IEZyZWUgU29mdHdhcmUg Rm91bmRhdGlvbiwgSW5jLgpMaWNlbnNlIEdQTHYzKzogR05VIEdQTCB2ZXJzaW9uIDMgb3IgbGF0 ZXIgPGh0dHA6Ly9nbnUub3JnL2xpY2Vuc2VzL2dwbC5odG1sPgpUaGlzIGlzIGZyZWUgc29mdHdh cmU6IHlvdSBhcmUgZnJlZSB0byBjaGFuZ2UgYW5kIHJlZGlzdHJpYnV0ZSBpdC4KVGhlcmUgaXMg Tk8gV0FSUkFOVFksIHRvIHRoZSBleHRlbnQgcGVybWl0dGVkIGJ5IGxhdy4gIFR5cGUgInNob3cg Y29weWluZyIKYW5kICJzaG93IHdhcnJhbnR5IiBmb3IgZGV0YWlscy4KVGhpcyBHREIgd2FzIGNv bmZpZ3VyZWQgYXMgIng4Nl82NC1saW51eC1nbnUiLgpUeXBlICJzaG93IGNvbmZpZ3VyYXRpb24i IGZvciBjb25maWd1cmF0aW9uIGRldGFpbHMuCkZvciBidWcgcmVwb3J0aW5nIGluc3RydWN0aW9u cywgcGxlYXNlIHNlZToKPGh0dHA6Ly93d3cuZ251Lm9yZy9zb2Z0d2FyZS9nZGIvYnVncy8+LgpG 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