Bug#904385: arm64: sigaltstack fails with MINSIGSTKSZ for 32-bit processes

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From	Aurelien Jarno <aurel32@debian.org>
Newsgroups	linux.debian.bugs.dist, linux.debian.kernel
Subject	Bug#904385: arm64: sigaltstack fails with MINSIGSTKSZ for 32-bit processes
Date	Mon, 23 Jul 2018 21:50:01 +0200
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Cross-posted to 2 groups.

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control: affects -1 glibc
control: found linux/4.17.6-2

On 2018-07-23 21:31, Aurelien Jarno wrote:
> Package: src:linux
> Version: 4.9.110-1
> Severity: normal
> 
> Dear Maintainer,
> 
> The arm64 kernel allows one to run aarch32 processes on an aarch64
> processor (if it has support for it), using the standard 32/64-bit
> syscall compatibility. However this compat layer does not correctly
> validate the arguments of the sigaltstack syscall.
> 

I forgot to say that the problem is reproducible with kernel 4.17.6.

-- 
Aurelien Jarno                          GPG: 4096R/1DDD8C9B
aurelien@aurel32.net                 http://www.aurel32.net

Thread

Bug#904385: arm64: sigaltstack fails with MINSIGSTKSZ for 32-bit processes Aurelien Jarno <aurel32@debian.org> - 2018-07-23 21:40 +0200
  Processed (with 1 error): Re: Bug#904385: arm64: sigaltstack  fails with MINSIGSTKSZ for 32-bit processes "Debian Bug Tracking System" <owner@bugs.debian.org> - 2018-07-23 21:50 +0200
  Bug#904385: arm64: sigaltstack fails with MINSIGSTKSZ for 32-bit processes Aurelien Jarno <aurel32@debian.org> - 2018-07-23 21:50 +0200
    Bug#904385: arm64: sigaltstack fails with MINSIGSTKSZ for 32-bit processes Steve McIntyre <steve@einval.com> - 2018-07-25 17:30 +0200
      Bug#904385: arm64: sigaltstack fails with MINSIGSTKSZ for 32-bit processes Steve McIntyre <steve@einval.com> - 2018-09-26 12:50 +0200
        Bug#904385: arm64: sigaltstack fails with MINSIGSTKSZ for 32-bit processes Aurelien Jarno <aurelien@aurel32.net> - 2019-07-29 22:30 +0200
  Processed: Re: Bug#904385: arm64: sigaltstack fails with  MINSIGSTKSZ for 32-bit processes "Debian Bug Tracking System" <owner@bugs.debian.org> - 2019-07-29 22:30 +0200
  Bug#904385: marked as done (arm64: sigaltstack fails with  MINSIGSTKSZ for 32-bit processes) "Debian Bug Tracking System" <owner@bugs.debian.org> - 2019-08-26 20:00 +0200

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