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Re: [Qemu-devel] [PATCH] linux-user: improve fake /proc/self/stat making
From: |
Alexander Graf |
Subject: |
Re: [Qemu-devel] [PATCH] linux-user: improve fake /proc/self/stat making `ps` not segfault. |
Date: |
Tue, 3 Jan 2012 20:12:28 +0100 |
On 03.01.2012, at 20:11, Fabio Erculiani wrote:
> Ok, I've found the reason, i guess it's a bug.
> target_argv pointer is placed in bprm->argv;
> But then target_argv is freed and nullified.
>
> loader_exec should just allocate a new char** and copy target_argv.
> I tried that and it worked.
>
> The problem is, where do I free() it? Am i supposed to do it or the
> TaskState lifecycle matches the executable (so there is no need to
> free() it) ?
Can't you just remove the first free()?
Alex
- Re: [Qemu-devel] [PATCH] linux-user: improve fake /proc/self/stat making `ps` not segfault., (continued)
- Re: [Qemu-devel] [PATCH] linux-user: improve fake /proc/self/stat making `ps` not segfault., Alexander Graf, 2012/01/03
- Re: [Qemu-devel] [PATCH] linux-user: improve fake /proc/self/stat making `ps` not segfault., Fabio Erculiani, 2012/01/03
- Re: [Qemu-devel] [PATCH] linux-user: improve fake /proc/self/stat making `ps` not segfault., Fabio Erculiani, 2012/01/03
- Re: [Qemu-devel] [PATCH] linux-user: improve fake /proc/self/stat making `ps` not segfault., Alexander Graf, 2012/01/03
- Re: [Qemu-devel] [PATCH] linux-user: improve fake /proc/self/stat making `ps` not segfault., Fabio Erculiani, 2012/01/03
- Re: [Qemu-devel] [PATCH] linux-user: improve fake /proc/self/stat making `ps` not segfault., Alexander Graf, 2012/01/03
- Re: [Qemu-devel] [PATCH] linux-user: improve fake /proc/self/stat making `ps` not segfault., Fabio Erculiani, 2012/01/03
- Re: [Qemu-devel] [PATCH] linux-user: improve fake /proc/self/stat making `ps` not segfault.,
Alexander Graf <=
- Re: [Qemu-devel] [PATCH] linux-user: improve fake /proc/self/stat making `ps` not segfault., Fabio Erculiani, 2012/01/03