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From: Andreas Schwab <schwab@linux-m68k.org>
To: "H.J. Lu via Libc-alpha" <libc-alpha@sourceware.org>
Cc: Adhemerval Zanella <adhemerval.zanella@linaro.org>,
	 "H.J. Lu" <hjl.tools@gmail.com>,
	 Yu Chien Peter Lin <peterlin@andestech.com>,
	Wilco Dijkstra <Wilco.Dijkstra@arm.com>
Subject: Re: [PATCH 1/2] stdlib: Fix __getrandom_nocancel type and arc4random usage (BZ #29638)
Date: Thu, 29 Sep 2022 22:01:15 +0200	[thread overview]
Message-ID: <87leq2osqc.fsf@igel.home> (raw)
In-Reply-To: <CAMe9rOp=1mpE2L11uxkNE1416pt=X12cOC2LAuw5iU1zPqxHnQ@mail.gmail.com> (H. J. Lu via Libc-alpha's message of "Thu, 29 Sep 2022 12:39:27 -0700")

On Sep 29 2022, H.J. Lu via Libc-alpha wrote:

>> diff --git a/sysdeps/unix/sysv/linux/not-cancel.h b/sysdeps/unix/sysv/linux/not-cancel.h
>> index a263d294b1..cf35c8bfc9 100644
>> --- a/sysdeps/unix/sysv/linux/not-cancel.h
>> +++ b/sysdeps/unix/sysv/linux/not-cancel.h
>> @@ -68,7 +68,7 @@ __writev_nocancel_nostatus (int fd, const struct iovec *iov, int iovcnt)
>>    INTERNAL_SYSCALL_CALL (writev, fd, iov, iovcnt);
>>  }
>>
>> -static inline int
>> +static inline ssize_t
>
> Shouldn't it be __syscall_slong_t?

getrandom can never return more than the size of the buffer.

-- 
Andreas Schwab, schwab@linux-m68k.org
GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510  2552 DF73 E780 A9DA AEC1
"And now for something completely different."

  parent reply	other threads:[~2022-09-29 20:01 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-09-29 19:27 Adhemerval Zanella
2022-09-29 19:27 ` [PATCH v3 2/2] malloc: Do not clobber errno on __getrandom_nocancel (BZ #29624) Adhemerval Zanella
2022-09-30 15:09   ` Wilco Dijkstra
2022-09-30 16:29     ` Yann Droneaud
2022-09-30 16:37       ` Adhemerval Zanella Netto
2022-10-01 12:21         ` Yu-Chien Peter Lin
2022-09-29 19:39 ` [PATCH 1/2] stdlib: Fix __getrandom_nocancel type and arc4random usage (BZ #29638) H.J. Lu
2022-09-29 19:54   ` Adhemerval Zanella Netto
2022-09-29 20:01   ` Andreas Schwab [this message]
2022-09-30 15:05 ` Wilco Dijkstra
2022-10-01 12:16   ` Yu-Chien Peter Lin

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