Le 18/04/2020 à 13:55, Eric W. Biederman a écrit :
Christophe Leroy writes:
Le 17/04/2020 à 23:09, Eric W. Biederman a écrit :
To remove the use of set_fs in the coredump code there needs to be a
way to convert a kernel siginfo to a userspace compat siginfo.
Call that function
Le 19/04/2020 à 10:13, Christoph Hellwig a écrit :
On Sat, Apr 18, 2020 at 06:55:56AM -0500, Eric W. Biederman wrote:
Is that really an issue to use that set_fs() in the coredump code ?
Using set_fs() is pretty bad and something that we would like to remove
from the kernel entirely. The
On Sat, Apr 18, 2020 at 06:55:56AM -0500, Eric W. Biederman wrote:
> > Is that really an issue to use that set_fs() in the coredump code ?
>
> Using set_fs() is pretty bad and something that we would like to remove
> from the kernel entirely. The fewer instances of set_fs() we have the
> better.
On Sat, Apr 18, 2020 at 10:05:19AM +0200, Christophe Leroy wrote:
>
>
> Le 17/04/2020 à 23:09, Eric W. Biederman a écrit :
>>
>> To remove the use of set_fs in the coredump code there needs to be a
>> way to convert a kernel siginfo to a userspace compat siginfo.
>>
>> Call that function
Christophe Leroy writes:
> Le 17/04/2020 à 23:09, Eric W. Biederman a écrit :
>>
>> To remove the use of set_fs in the coredump code there needs to be a
>> way to convert a kernel siginfo to a userspace compat siginfo.
>>
>> Call that function copy_siginfo_to_compat and factor it out of
>>
Le 17/04/2020 à 23:09, Eric W. Biederman a écrit :
To remove the use of set_fs in the coredump code there needs to be a
way to convert a kernel siginfo to a userspace compat siginfo.
Call that function copy_siginfo_to_compat and factor it out of
copy_siginfo_to_user32.
I find it a pitty
To remove the use of set_fs in the coredump code there needs to be a
way to convert a kernel siginfo to a userspace compat siginfo.
Call that function copy_siginfo_to_compat and factor it out of
copy_siginfo_to_user32.
The existence of x32 complicates this code. On x32 SIGCHLD uses 64bit
