Re: [PATCH] net: initialize msg.msg_flags in recvfrom

2017-03-07 Thread Alexander Potapenko
On Tue, Mar 7, 2017 at 3:26 PM, Eric Dumazet wrote: > On Tue, 2017-03-07 at 14:58 +0100, Alexander Potapenko wrote: >> KMSAN (KernelMemorySanitizer, a new error detection tool) reports use >> of uninitialized memory in put_cmsg()): > > I would prefer that you do not put the stack trace in the chan

Re: [PATCH] net: initialize msg.msg_flags in recvfrom

2017-03-07 Thread Alexander Potapenko
On Tue, Mar 7, 2017 at 3:23 PM, Dmitry Vyukov wrote: > On Tue, Mar 7, 2017 at 2:58 PM, Alexander Potapenko wrote: >> KMSAN (KernelMemorySanitizer, a new error detection tool) reports use >> of uninitialized memory in put_cmsg()): >> >> =

Re: [PATCH] net: initialize msg.msg_flags in recvfrom

2017-03-07 Thread Dmitry Vyukov
On Tue, Mar 7, 2017 at 2:58 PM, Alexander Potapenko wrote: > KMSAN (KernelMemorySanitizer, a new error detection tool) reports use > of uninitialized memory in put_cmsg()): > > == > BUG: KMSAN: use of unitialized memory > inter: 0 > C

Re: [PATCH] net: initialize msg.msg_flags in recvfrom

2017-03-07 Thread Eric Dumazet
On Tue, 2017-03-07 at 14:58 +0100, Alexander Potapenko wrote: > KMSAN (KernelMemorySanitizer, a new error detection tool) reports use > of uninitialized memory in put_cmsg()): I would prefer that you do not put the stack trace in the changelog, same for the reproducer since this has little value i

[PATCH] net: initialize msg.msg_flags in recvfrom

2017-03-07 Thread Alexander Potapenko
KMSAN (KernelMemorySanitizer, a new error detection tool) reports use of uninitialized memory in put_cmsg()): == BUG: KMSAN: use of unitialized memory inter: 0 CPU: 3 PID: 1086 Comm: syz-executor0 Not tainted 4.8.0-rc6+ #1920 Hardware