On Wednesday 16 August 2006 17:39, Kirill Korotaev wrote:
> --- ./include/asm-powerpc/systbl.h.arsys 2006-07-10 12:39:19.000000000
> +0400
> +++ ./include/asm-powerpc/systbl.h 2006-08-10 17:05:53.000000000 +0400
> @@ -304,3 +304,6 @@ SYSCALL_SPU(fchmodat)
> SYSCALL_SPU(faccessat)
> COMPAT_SYS_SPU(get_robust_list)
> COMPAT_SYS_SPU(set_robust_list)
> +SYSCALL(sys_getluid)
> +SYSCALL(sys_setluid)
> +SYSCALL(sys_setublimit)
...
> --- ./include/asm-x86_64/unistd.h.ubsys 2006-07-10 12:39:19.000000000 +0400
> +++ ./include/asm-x86_64/unistd.h 2006-07-31 16:00:01.000000000 +0400
> @@ -619,10 +619,16 @@ __SYSCALL(__NR_sync_file_range, sys_sync
> __SYSCALL(__NR_vmsplice, sys_vmsplice)
> #define __NR_move_pages 279
> __SYSCALL(__NR_move_pages, sys_move_pages)
> +#define __NR_getluid 280
> +__SYSCALL(__NR_getluid, sys_getluid)
> +#define __NR_setluid 281
> +__SYSCALL(__NR_setluid, sys_setluid)
> +#define __NR_setublimit 282
> +__SYSCALL(__NR_setublimit, sys_setublimit)
>
...
> +/*
> + * The setbeanlimit syscall
> + */
> +asmlinkage long sys_setublimit(uid_t uid, unsigned long resource,
> + unsigned long *limits)
While I don't yet understand what this call does, it looks to me that
the way it's implemented breaks in 32 bit emulation mode on x86_64 and
powerpc.
You either need to pass a pointer a something that is the same on 32 and
64 bit (e.g. __u64 __user *limits), or need to provide a different
entry point for 32 bit applications:
long compat_sys_setublimit(compat_uid_t uid, compat_ulong_t resource,
compat_ulong_t __user *limits);
You should also add the prototypes to include/linux/syscalls.h.
Arnd <><
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