On Thu, 21 Mar 2019 17:18:41 +0100 Oleg Nesterov <o...@redhat.com> wrote:
> iiuc, > > #syz fix: Uprobes: Fix kernel oops with delayed_uprobe_remove() Thanks, because I haven't been able to reproduce this, and couldn't see how it could bug like it did by looking at the current code. -- Steve > > On 03/21, syzbot wrote: > > > > syzbot has bisected this bug to: > > > > commit a6ca88b241d5e929e6e60b12ad8cd288f0ffa256 > > Author: Song Liu <songliubrav...@fb.com> > > Date: Tue Oct 2 05:36:36 2018 +0000 > > > > trace_uprobe: support reference counter in fd-based uprobe > > > > bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=12c86993200000 > > start commit: a6ca88b2 trace_uprobe: support reference counter in fd-bas.. > > git tree: linux-next > > final crash: https://syzkaller.appspot.com/x/report.txt?x=11c86993200000 > > console output: https://syzkaller.appspot.com/x/log.txt?x=16c86993200000 > > kernel config: https://syzkaller.appspot.com/x/.config?x=2a22859d870756c1 > > dashboard link: https://syzkaller.appspot.com/bug?extid=eab6e18f95a9fe69005e > > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=137174f5400000 > > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1278485d400000 > > > > Reported-by: syzbot+eab6e18f95a9fe690...@syzkaller.appspotmail.com > > Fixes: a6ca88b241d5 ("trace_uprobe: support reference counter in fd-based > > uprobe")
