Re: [PATCH] proc/sysctl: Fix NULL pointer dereference in put_links

2019-03-09 Thread YueHaibing
On 2019/3/9 11:58, Luis Chamberlain wrote: > I so excited about the report, thanks this is awesome work!! However it > seemed possibly like a paper-over a different issue. I'm not convinced yet. > > If prefer a bit more investigation until we can be 100% sure. At this point > my position would b

Re: [PATCH] proc/sysctl: Fix NULL pointer dereference in put_links

2019-03-08 Thread YueHaibing
+cc Al Viro On 2019/3/4 21:54, Yue Haibing wrote: > From: YueHaibing > > Syzkaller report this: > > kasan: GPF could be caused by NULL-ptr deref or user memory access > general protection fault: [#1] SMP KASAN PTI > CPU: 1 PID: 5373 Comm: syz-executor.0 Not tainted 5.0.0-rc8+ #3 > Hardware

Re: [PATCH] proc/sysctl: Fix NULL pointer dereference in put_links

2019-03-08 Thread YueHaibing
ping. On 2019/3/4 21:54, Yue Haibing wrote: > From: YueHaibing > > Syzkaller report this: > > kasan: GPF could be caused by NULL-ptr deref or user memory access > general protection fault: [#1] SMP KASAN PTI > CPU: 1 PID: 5373 Comm: syz-executor.0 Not tainted 5.0.0-rc8+ #3 > Hardware name:

[PATCH] proc/sysctl: Fix NULL pointer dereference in put_links

2019-03-04 Thread Yue Haibing
From: YueHaibing Syzkaller report this: kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: [#1] SMP KASAN PTI CPU: 1 PID: 5373 Comm: syz-executor.0 Not tainted 5.0.0-rc8+ #3 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1ubuntu1