On Tue, Apr 07, 2020 at 01:16:10PM -0700, syzbot wrote: > Hello, > > syzbot found the following crash on: > > HEAD commit: bef7b2a7 Merge tag 'devicetree-for-5.7' of git://git.kerne.. > git tree: upstream > console output: https://syzkaller.appspot.com/x/log.txt?x=15ce12cde00000 > kernel config: https://syzkaller.appspot.com/x/.config?x=91b674b8f0368e69 > dashboard link: https://syzkaller.appspot.com/bug?extid=89a42836ac72e6a02d35 > compiler: gcc (GCC) 9.0.0 20181231 (experimental) > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=14c69db7e00000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=17b8b02be00000 > > The bug was bisected to: > > commit 36947254e5f981aeeedab1c7dfa35fc34d330e80 > Author: Sean Christopherson <sean.j.christopherson@xxxxxxxxx> > Date: Tue Feb 18 21:07:32 2020 +0000 > > KVM: Dynamically size memslot array based on number of used slots > > bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=15f1b1fbe00000 > final crash: https://syzkaller.appspot.com/x/report.txt?x=17f1b1fbe00000 > console output: https://syzkaller.appspot.com/x/log.txt?x=13f1b1fbe00000 > > IMPORTANT: if you fix the bug, please add the following tag to the commit: > Reported-by: syzbot+89a42836ac72e6a02d35@xxxxxxxxxxxxxxxxxxxxxxxxx > Fixes: 36947254e5f9 ("KVM: Dynamically size memslot array based on number of used slots") #syz dup: KASAN: slab-out-of-bounds Read in __kvm_gfn_to_hva_cache_init
