Re: [PATCH] linux-user: manage binfmt-misc preserve-arg[0] flag

[Michael Tokarev]

22.02.2021 13:50, Laurent Vivier wrote:
> Add --preserve-argv0 in qemu-binfmt-conf.sh to configure the preserve-argv0
> flag.
>
> This patch allows to use new flag in AT_FLAGS to detect if
> preserve-argv0 is configured for this interpreter:
> argv[0] (the full pathname provided by binfmt-misc) is removed and
> replaced by argv[1] (the original argv[0] provided by binfmt-misc when
> 'P'/preserve-arg[0] is set)

A few days ago I sent an RFC patch which fixes this issue without kernel
patch, by registering special binary name in binfmt (note: that patch had
argv[1] & argv[2] swapped by mistake).

Here it is: https://lists.gnu.org/archive/html/qemu-devel/2021-02/msg04639.html

/mjt