syzbot


BUG: unable to handle kernel paging request in coalesced_mmio_write
Status: fixed on 2019/12/01 20:17
Reported-by: syzbot+1c89747767c158362294@syzkaller.appspotmail.com
Fix commit: bf81752d KVM: coalesced_mmio: add bounds checking
First crash: 337d, last: 330d

Fix bisection: fixed by (bisect log):

commit bf81752d808cd31e18d9a8db6d92b73497aa48d2
Author: Matt Delco <delco@chromium.org>
Date: Mon Sep 16 21:16:54 2019 +0000

  KVM: coalesced_mmio: add bounds checking

similar bugs (2):
Kernel Title Repro Bisected Count Last Reported Patched Status
upstream BUG: unable to handle kernel paging request in coalesced_mmio_write C cause 10 329d 334d 14/17 fixed on 2019/10/15 23:40
linux-4.19 BUG: unable to handle kernel paging request in coalesced_mmio_write C fix 2 336d 336d 1/1 fixed on 2019/12/01 09:13

Sample crash report:

Crashes (4):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro Maintainers
ci2-linux-4-14 2019/06/29 08:46 linux-4.14.y f4cc0ed9 7509bf36 .config log report syz C kvm@vger.kernel.org, linux-kernel@vger.kernel.org, pbonzini@redhat.com, rkrcmar@redhat.com
ci2-linux-4-14 2019/06/29 08:21 linux-4.14.y f4cc0ed9 7509bf36 .config log report syz C kvm@vger.kernel.org, linux-kernel@vger.kernel.org, pbonzini@redhat.com, rkrcmar@redhat.com
ci2-linux-4-14 2019/06/22 20:08 linux-4.14.y a5758c53 34bf9440 .config log report syz C kvm@vger.kernel.org, linux-kernel@vger.kernel.org, pbonzini@redhat.com, rkrcmar@redhat.com
ci2-linux-4-14 2019/06/22 19:30 linux-4.14.y a5758c53 34bf9440 .config log report kvm@vger.kernel.org, linux-kernel@vger.kernel.org, pbonzini@redhat.com, rkrcmar@redhat.com