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prctl: exe link permission error changed from -EINVAL to -EPERM 

This brings consistency with the rest of the prctl() syscall where
-EPERM is returned when failing a capability check.

Signed-off-by: Nicolas Viennot <Nicolas.Viennot@twosigma.com>
Signed-off-by: Adrian Reber <areber@redhat.com>
Reviewed-by: Serge Hallyn <serge@hallyn.com>
Link: https://lore.kernel.org/r/20200719100418.2112740-7-areber@redhat.com
Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
zero-sugar-mainline-defconfig
Nicolas Viennot 2020-07-19 12:04:16 +02:00 committed by Christian Brauner
parent ebd6de6812
commit 227175b2c9
1 changed files with 1 additions and 1 deletions
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2
kernel/sys.c
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@ -2015,7 +2015,7 @@ static int prctl_set_mm_map(int opt, const void __user *addr, unsigned long data
* This may have implications in the tomoyo subsystem.
*/
if (!checkpoint_restore_ns_capable(current_user_ns()))
return -EINVAL;
return -EPERM;
error = prctl_set_mm_exe_file(mm, prctl_map.exe_fd);
if (error)