On 2024/10/07 23:19, Jonathan Gray wrote: > try ufs_ihash.c > 1.28? Thanks, will do. (Uptime on this machine was about 7 weeks before it hit it, so it's not exactly a frequent problem - slightly easier to run into it as there are 30 of these machines).
> ---------------------------- > revision 1.28 > date: 2024/09/04 17:00:08; author: beck; state: Exp; lines: +30 -1; > commitid: JZ5aAr5hLYfSiuMA; > Work around vnode reuse bug resulting in a panic: vop_generic_badop > > Joel hit this frequently on the go builder, and this was > also found by szykiller > > https://syzkaller.appspot.com/bug?extid=58bdde9f7a1a407514a7 > https://syzkaller.appspot.com/bug?extid=5779bc64fc4fdd0a5140 > > This is based on a workaround originally done by visa@ and mbuhl@ > but not committed or widely distributed. > > Realistically this should be fixed more like the previous attempt > with vdoom, but my attempts to do this at the moment are colliding > with finding all sources of similar races, now that kernel unlocking > is exposing these previously existing bugs > > for now, let's put in this ugly workaround > > ok deraadt@ > ---------------------------- >
