Messages in this thread | | | Subject | Re: [PATCH] Prevent setting 32 uids/gids in the error range | From | Alan Cox <> | Date | 17 Feb 2003 14:55:20 +0000 |
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On Mon, 2003-02-17 at 07:41, Rusty Russell wrote: > Tridge noticed that getegid() was returning EPERM. > > I used -1000 since that's what PTR_ERR uses, but i386 _syscall macros > use -125: I don't suppose it really matters.
Thats a bug in the interface. getegid/getgid/setegid/setuid() is not permitted to fail. If libc is setting errno and returning -1 the libc wrapper is wrong.
set*id can fail, but unlike the get functions they do not return a uid but an error code.
Alan
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