Re: s390 EAGAIN on send{msg,to}()/recvmsg() on small MTU and big packet size

2019-10-15 Thread Petr Vorel
Hi, [ Cc Alexey and Ihno ] Any hint on this? I know it's a corner case, but it'd be nice to have it fixed. Kind regards, Petr > Hi, > I've found a bug on s390 on small MTU combined with big packet size, using > ping > (of course both within valid ranges, e.g. MTU 552 and packet size 61245).

s390 EAGAIN on send{msg,to}()/recvmsg() on small MTU and big packet size

2019-09-23 Thread Petr Vorel
Hi, I've found a bug on s390 on small MTU combined with big packet size, using ping (of course both within valid ranges, e.g. MTU 552 and packet size 61245). Below is full reproducer on netns. I tested it on vanilla: v5.3-rc8 and v4.16. I reproduced it on current iputils master which uses sendto