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Thu, 15 Apr 2021 04:47:04 -0400 Received: from debbugs.gnu.org ([209.51.188.43]:53167) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lWxeQ-0000ld-CB for bug-guix@gnu.org; Thu, 15 Apr 2021 04:47:02 -0400 Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1lWxeQ-0005sY-89 for bug-guix@gnu.org; Thu, 15 Apr 2021 04:47:02 -0400 X-Loop: help-debbugs@gnu.org Subject: bug#47064: [racket-users] bytevector-uncompress: internal error uncompressing Resent-From: Mark H Weaver Original-Sender: "Debbugs-submit" Resent-CC: bug-guix@gnu.org Resent-Date: Thu, 15 Apr 2021 08:47:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 47064 X-GNU-PR-Package: guix X-GNU-PR-Keywords: To: Philip McGrath , Jack Hill , 47064@debbugs.gnu.org Received: via spool by 47064-submit@debbugs.gnu.org id=B47064.161847636722535 (code B ref 47064); Thu, 15 Apr 2021 08:47:02 +0000 Received: (at 47064) by debbugs.gnu.org; 15 Apr 2021 08:46:07 +0000 Received: from localhost ([127.0.0.1]:36480 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1lWxdW-0005rP-VL for submit@debbugs.gnu.org; Thu, 15 Apr 2021 04:46:07 -0400 Received: from world.peace.net ([64.112.178.59]:39780) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1lWxdS-0005qf-Py for 47064@debbugs.gnu.org; Thu, 15 Apr 2021 04:46:06 -0400 Received: from mhw by world.peace.net with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1lWxdM-0000pl-5D; Thu, 15 Apr 2021 04:45:56 -0400 From: Mark H Weaver In-Reply-To: References: <07f46e79-4fdb-49ab-63bd-2c106db077d1@philipmcgrath.com> <79c97b4c-defb-3966-dc50-a79fa8f5c053@philipmcgrath.com> <53940c03-4f40-3954-0cb4-3d4ae01c39a2@philipmcgrath.com> <87o8ehquk6.fsf@netris.org> Date: Thu, 15 Apr 2021 04:44:11 -0400 Message-ID: <87y2dkhr7t.fsf@netris.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-BeenThere: bug-guix@gnu.org List-Id: Bug reports for GNU Guix List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-guix-bounces+larch=yhetil.org@gnu.org Sender: "bug-Guix" X-Migadu-Flow: FLOW_IN ARC-Message-Signature: i=1; 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aspmx1.migadu.com; dkim=none; spf=pass (aspmx1.migadu.com: domain of bug-guix-bounces@gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=bug-guix-bounces@gnu.org X-Migadu-Spam-Score: -2.44 Authentication-Results: aspmx1.migadu.com; dkim=none; dmarc=none; spf=pass (aspmx1.migadu.com: domain of bug-guix-bounces@gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=bug-guix-bounces@gnu.org X-Migadu-Queue-Id: 7152B245F7 X-Spam-Score: -2.44 X-Migadu-Scanner: scn0.migadu.com X-TUID: R9WgcZHgDvDG Hi Philip, Philip McGrath writes: > On 4/14/21 1:54 AM, Mark H Weaver wrote: >> In this case, I suspect that within a *.zo file, a Guix store item name >> was split into pieces, with the hash and "-" together in one piece but >> split somewhere between the "-" and the last byte of the store item. >> This results in corruption of the bytes following that piece. FYI, I've now verified this suspicion. Here's precisely the corruption that occurred: --8<---------------cut here---------------start------------->8--- mhw@jojen ~$ diff -u <(hexdump -C $(guix build racket --no-grafts)/share/ra= cket/pkgs/gui-lib/mred/private/wx/gtk/compiled/utils_rkt.zo) \ <(hexdump -C $(guix build racket )/share/ra= cket/pkgs/gui-lib/mred/private/wx/gtk/compiled/utils_rkt.zo) --- /dev/fd/63 2021-04-15 04:36:01.240427788 -0400 +++ /dev/fd/62 2021-04-15 04:36:01.240427788 -0400 @@ -2047,11 +2047,11 @@ 00007fe0 49 8b 6f 0b 08 00 09 d0 02 2f d7 fe d0 02 07 f2 |I.o....../...= ...| 00007ff0 02 0b 00 62 12 04 00 12 12 05 00 3e 12 06 00 17 |...b.......>.= ...| 00008000 12 07 3d 02 f0 28 32 02 04 75 6e 69 78 00 1e 26 |..=3D..(2..un= ix..&| -00008010 5a 2f 67 6e 75 2f 73 74 6f 72 65 2f 69 72 6a 61 |Z/gnu/store/i= rja| -00008020 6e 35 77 71 37 6a 32 35 66 61 32 6d 36 6e 32 78 |n5wq7j25fa2m6= n2x| -00008030 68 6c 38 6d 67 6c 73 61 71 78 6e 34 2d 49 02 02 |hl8mglsaqxn4-= I..| -00008040 a5 02 fd 01 2b 73 76 67 2d 32 2e 34 30 2e 30 2f |....+svg-2.40= .0/| -00008050 6c 69 62 2f c2 02 39 2e 73 6f 9b 02 1d 43 9b 02 |lib/..9.so...= C..| +00008010 5a 2f 67 6e 75 2f 73 74 6f 72 65 2f 36 66 32 30 |Z/gnu/store/6= f20| +00008020 38 64 61 6b 32 77 64 62 30 61 72 31 68 6e 38 79 |8dak2wdb0ar1h= n8y| +00008030 6b 31 39 30 79 77 67 67 69 77 33 63 2d 67 64 6b |k190ywggiw3c-= gdk| +00008040 2d 70 69 78 62 75 66 2b 73 76 67 2d 32 2e 34 30 |-pixbuf+svg-2= .40| +00008050 2e 30 62 2f c2 02 39 2e 73 6f 9b 02 1d 43 9b 02 |.0b/..9.so...= C..| 00008060 57 30 07 01 02 0e 35 00 05 a2 02 c3 12 08 0c 26 |W0....5......= ..&| 00008070 00 18 12 09 02 2c 84 00 55 02 0f 54 02 09 13 7f |.....,..U..T.= ...| 00008080 54 02 1b 49 54 02 15 32 54 02 15 1c 54 02 1f 01 |T..IT..2T...T= ...| --8<---------------cut here---------------end--------------->8--- > Yes, I agree with this diagnosis. > > It seems the discussion has become a bit fragmented, since Jack first=20 > reported one set of symptoms in and=20 > you then reported another in (with=20 > much better forensics than I'd found on my own=E2=80=94thanks!). > > Both issues should have been fixed (at least with respect to Racket) by=20 > my patch in , which was applied on=20 > Monday. Sounds good, thank you! Mark