[PATCH] lsm: add reserved flag in lsm_prop struct

[15074444048]

At 2024-12-07 01:31:11, "Casey Schaufler" <casey at schaufler-ca.com> wrote:

>
>Can you cite where this warning occurs?
>

In file included from ./include/linux/string.h:389,
                 from ./include/linux/bitmap.h:13,
                 from ./include/linux/cpumask.h:12,
                 from ./include/linux/smp.h:13,
                 from ./include/linux/lockdep.h:14,
                 from ./include/linux/spinlock.h:63,
                 from ./include/linux/wait.h:9,
                 from ./include/linux/wait_bit.h:8,
                 from ./include/linux/fs.h:6,
                 from kernel/auditsc.c:37:
In function ‘sized_strscpy’,
    inlined from ‘__audit_ptrace’ at kernel/auditsc.c:2732:2:
./include/linux/fortify-string.h:293:3: error: call to ‘__write_overflow’ declared with attribute error: detected write beyond size of object (1st parameter)
  293 |   __write_overflow();
      |   ^~~~~~~~~~~~~~~~~~
In function ‘sized_strscpy’,
    inlined from ‘audit_signal_info_syscall’ at kernel/auditsc.c:2759:3:
./include/linux/fortify-string.h:293:3: error: call to ‘__write_overflow’ declared with attribute error: detected write beyond size of object (1st parameter)
  293 |   __write_overflow();



>
>I don't care much for this approach. Increasing the size of the structure
>to avoid a warning in the case where it isn't used seems problematic.
>

do you have any good sugestion?