On Mon, Jul 11, 2022 at 01:38:08PM -0700, Andrew Morton wrote: > On Sat, 09 Jul 2022 00:13:23 -0700 syzbot <syzbot+a785d07959bc94837d51@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote: > > > Hello, > > > > syzbot found the following issue on: > > > > HEAD commit: c1084b6c5620 Merge tag 'soc-fixes-5.19-2' of git://git.ker.. > > git tree: upstream > > console output: https://syzkaller.appspot.com/x/log.txt?x=14967ccc080000 > > kernel config: https://syzkaller.appspot.com/x/.config?x=916233b7694a38ff > > dashboard link: https://syzkaller.appspot.com/bug?extid=a785d07959bc94837d51 > > compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 > > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=122ae834080000 > > > > IMPORTANT: if you fix the issue, please add the following tag to the commit: > > Reported-by: syzbot+a785d07959bc94837d51@xxxxxxxxxxxxxxxxxxxxxxxxx > > > > 2022/07/05 05:22:17 executed programs: 828 > > 2022/07/05 05:22:23 executed programs: 846 > > 2022/07/05 05:22:30 executed programs: 866 > > 2022/07/05 05:22:37 executed programs: 875 > > BUG: memory leak > > Thanks. Presumably due to khugepaged changes. Huh, I was expecting it to be something I'd messed up. I've been looking at it today, but no luck figuring it out so far. > Can we expect a bisection search? We only have a syz reproducer so far, and if I understand correctly, it's probably because this is a flaky test (because it's trying to find something that's a race condition). I expect a bisection search to go badly wrong if this is true.
