Re: [RFC] [PATCH] net: socket: Fix the wrong returns for recvmsg and sendmsg

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



From: Junling Zheng <zhengjunling@xxxxxxxxxx>
Date: Mon, 1 Jun 2015 09:28:00 +0000

> We found that after v3.10.73, recvmsg might return -EFAULT while -EINVAL
> was expected.
> 
> We tested it through the recvmsg01 testcase come from LTP testsuit. It set
> msg->msg_namelen to -1 and the recvmsg syscall returned errno 14, which is
> unexpected (errno 22 is expected):
> 
> recvmsg01    4  TFAIL  :  invalid socket length ; returned -1 (expected -1),
> errno 14 (expected 22)
> 
> Linux mainline has no this bug for commit 08adb7dab fixes it accidentally.
> However, it is too large and complex to be backported to LTS 3.10.
> 
> So, I made the following patch to fix the above problem for LTS 3.10.

Upstream the code doesn't look anything like this, so it's probably
just a missing bug fix for -stable.
--
To unsubscribe from this list: send the line "unsubscribe stable" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html




[Index of Archives]     [Linux Kernel]     [Kernel Development Newbies]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite Hiking]     [Linux Kernel]     [Linux SCSI]