Jason Gunthorpe <jgg@xxxxxxxx> 于2021年4月13日周二 下午9:34写道： > > On Tue, Apr 13, 2021 at 11:36:41AM +0800, Hao Sun wrote: > > Hi > > > > When using Healer(https://github.com/SunHao-0/healer/tree/dev) to fuzz > > the Linux kernel, I found two use-after-free bugs which have been > > reported a long time ago by Syzbot. > > Although the corresponding patches have been merged into upstream, > > these two bugs can still be triggered easily. > > The original information about Syzbot report can be found here: > > https://syzkaller.appspot.com/bug?id=8dc0bcd9dd6ec915ba10b3354740eb420884acaa > > https://syzkaller.appspot.com/bug?id=95f89b8fb9fdc42e28ad586e657fea074e4e719b > > Then why hasn't syzbot seen this in a year's time? Seems strange > Seems strange to me too, but the fact is that the reproduction program in attachment can trigger these two bugs quickly. > > Current report Information: > > commit: 89698becf06d341a700913c3d89ce2a914af69a2 > > What commit is this? The latest commit in the master branch, https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/
