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SubjectRe: [PATCH] new setprocuid syscall
> diff -urN linux-2.4.1/arch/i386/kernel/entry.S
> linux-2.4.1-setprocuid/arch/i386/kernel/entry.S
> --- linux-2.4.1/arch/i386/kernel/entry.S Thu Nov 9 02:09:50 2000
> +++ linux-2.4.1-setprocuid/arch/i386/kernel/entry.S Mon Feb 19
> 22:12:00 2001
> @@ -645,6 +645,7 @@
> .long SYMBOL_NAME(sys_madvise)
> .long SYMBOL_NAME(sys_getdents64) /* 220 */
> .long SYMBOL_NAME(sys_fcntl64)
> + .long SYMBOL_NAME(sys_setprocuid)
> .long SYMBOL_NAME(sys_ni_syscall) /* reserved for TUX */
>
> /*

You stole TUX's syscall slot.

> + p = find_task_by_pid(pid);
> + p->fsuid = p->euid = p->suid = p->uid = uid;

p might be NULL.

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