Messages in this thread | | | Date | Tue, 3 Apr 2018 22:57:23 +0900 | From | Sergey Senozhatsky <> | Subject | Re: [PATCH v3] vsprintf: Prevent crash when dereferencing invalid pointers |
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On (04/03/18 13:52), Petr Mladek wrote: > On Tue 2018-04-03 10:12:37, Sergey Senozhatsky wrote: > > On (04/02/18 17:15), Andy Shevchenko wrote: > > > > > > > > Hmm, I have never seen the error code in this form. > > > > > > We have limited space to print it and error numbers currently can be up > > > to 0xfff (4095). So, I have no better idea how to squeeze them while > > > thinking that "(efault)" is much harder to parse in case of error > > > > 'efault' looks to me like a misspelled 'default', for some reason. > > I wonder if (-efault) would help a bit.
Dunno. If the pointer is invalid and -EFAULTS then I guess we are not leaking anything critical and may be can just print it out. May be I'm wrong.
-ss
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