Re: notary arm64-specific failure: runtime: marked free object in span 0xffff5ec83ac0, elemsize=208 freeindex=3 (bad use of unsafe.Pointer or having race conditions? try -d=checkptr or -race)

To: Jérémy Lal <kapouer@melix.org>
Cc: debian-go@lists.debian.org, Simon Josefsson <simon@josefsson.org>
Subject: Re: notary arm64-specific failure: runtime: marked free object in span 0xffff5ec83ac0, elemsize=208 freeindex=3 (bad use of unsafe.Pointer or having race conditions? try -d=checkptr or -race)
From: Tianon Gravi <tianon@debian.org>
Date: Fri, 21 Feb 2025 10:55:38 -0800
Message-id: <[🔎] CAHnKnK3jtaZkjE6LOyrCTDNQNUdTwB9d=pPhjXiX+kSqQkCqyw@mail.gmail.com>
In-reply-to: <[🔎] CAJxTCxzSNNDmkGm9_8F5Eb2iOeo0dk=idSMrJCfuboHPEDVmNw@mail.gmail.com>
References: <[🔎] 87jz9n4nz9.fsf@josefsson.org> <[🔎] CAJxTCxyCfU0=9gD-z1PMF_v_ExjV+zRxgRi2pweXPwXYVH=yyg@mail.gmail.com> <[🔎] CAJxTCxzSNNDmkGm9_8F5Eb2iOeo0dk=idSMrJCfuboHPEDVmNw@mail.gmail.com>

On Tue, 18 Feb 2025 at 01:41, Jérémy Lal <kapouer@melix.org> wrote:
> Le mar. 18 févr. 2025 à 10:37, Jérémy Lal <kapouer@melix.org> a écrit :
>> Probably golang-1.24 has changed something that no longer applies to debian's arm64 supported features:
>> https://github.com/golang/go/commits/master/src/runtime/asm_arm64.s
> Especially the last three commits apply/revert/apply seems that something was broken, and has been fixed 7 hours ago.

Hmm, but those are related to illegal instructions, where the panic in
our notary package is somehow related to use-after-free. 😭

♥,
- Tianon
  4096R / B42F 6819 007F 00F8 8E36  4FD4 036A 9C25 BF35 7DD4

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Follow-Ups:
- Re: notary arm64-specific failure: runtime: marked free object in span 0xffff5ec83ac0, elemsize=208 freeindex=3 (bad use of unsafe.Pointer or having race conditions? try -d=checkptr or -race)
  - From: Tianon Gravi <tianon@debian.org>

References:
- notary arm64-specific failure: runtime: marked free object in span 0xffff5ec83ac0, elemsize=208 freeindex=3 (bad use of unsafe.Pointer or having race conditions? try -d=checkptr or -race)
  - From: Simon Josefsson <simon@josefsson.org>
- Re: notary arm64-specific failure: runtime: marked free object in span 0xffff5ec83ac0, elemsize=208 freeindex=3 (bad use of unsafe.Pointer or having race conditions? try -d=checkptr or -race)
  - From: Jérémy Lal <kapouer@melix.org>
- Re: notary arm64-specific failure: runtime: marked free object in span 0xffff5ec83ac0, elemsize=208 freeindex=3 (bad use of unsafe.Pointer or having race conditions? try -d=checkptr or -race)
  - From: Jérémy Lal <kapouer@melix.org>