> I wonder even more why access() syscall isn't a solution, because
> /bin/sh isn't set-uid by definition.
>
> #/bin/cc glibc/sysdeps/posix/euidaccess.c
Also why there's no such syscall, i wouldn't require all uid shuffling,
isn't it?
#fs/open.c:sys_faccessat()
old_fsuid = current->fsuid;
old_fsgid = current->fsgid;
old_cap = current->cap_effective;
current->fsuid = current->uid;
current->fsgid = current->gid;
#end
____
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