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Re: 64bit startup
From: |
Samuel Thibault |
Subject: |
Re: 64bit startup |
Date: |
Sun, 28 May 2023 13:28:11 +0200 |
User-agent: |
NeoMutt/20170609 (1.8.3) |
Samuel Thibault, le dim. 28 mai 2023 13:16:15 +0200, a ecrit:
> Sergey Bugaev, le dim. 28 mai 2023 13:32:12 +0300, a ecrit:
> > The port error is interesting; 82650 is clearly not a port name, so
> > it's not a port use-after-free / double free, it's some bad/invalid
> > memory. Hmm. Is something overwriting our TCB?
>
> That could be. That could also explain the issues I'm getting with stack
> protection.
>
> > Do you think this is happening after running a signal / RPC
> > interruption? Or after a timeout? Is there any easy way to reproduce
> > this?
>
> You can trap on the mach_port_deallocate warning case, or even in kdb
> by setting mach_port_deallocate_debug to TRUE.
FI bash-static doesn't seem affected, that's why my image uses it as
/bin/bash. But you can run /bin/bash.real and run ls from there, that's
enough to trigger the bug.
Samuel
- Re: 64bit startup, (continued)
- Re: 64bit startup, Samuel Thibault, 2023/05/27
- Re: 64bit startup, Samuel Thibault, 2023/05/27
- Re: 64bit startup, Samuel Thibault, 2023/05/27
- Re: 64bit startup, Samuel Thibault, 2023/05/28
- Re: 64bit startup, Samuel Thibault, 2023/05/28
- Re: 64bit startup, Samuel Thibault, 2023/05/28
- Re: 64bit startup, Samuel Thibault, 2023/05/27
- Re: 64bit startup, Samuel Thibault, 2023/05/27
- Re: 64bit startup, Sergey Bugaev, 2023/05/28
- Re: 64bit startup, Samuel Thibault, 2023/05/28
- Re: 64bit startup,
Samuel Thibault <=
- Re: 64bit startup, Sergey Bugaev, 2023/05/28
- Re: 64bit startup, Samuel Thibault, 2023/05/28
- Re: 64bit startup, Samuel Thibault, 2023/05/28
- Re: 64bit startup, Samuel Thibault, 2023/05/28
- Re: 64bit startup, Samuel Thibault, 2023/05/28
- Re: 64bit startup, Samuel Thibault, 2023/05/27
- Re: 64bit startup, Samuel Thibault, 2023/05/27
- Re: 64bit startup, Samuel Thibault, 2023/05/27
- Re: 64bit startup, Sergey Bugaev, 2023/05/26
- Re: 64bit startup, Samuel Thibault, 2023/05/26