Re: KASAN: slab-out-of-bounds Read in __kvm_map_gfn

[Sean Christopherson]

On Tue, Apr 07, 2020 at 01:16:11PM -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=12672c5de00000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=91b674b8f0368e69
> dashboard link: https://syzkaller.appspot.com/bug?extid=516667c144d77aa5ba3c
> compiler:       gcc (GCC) 9.0.0 20181231 (experimental)
> userspace arch: i386
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=1217010be00000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=106c8febe00000

#syz dup: KASAN: slab-out-of-bounds Read in __kvm_gfn_to_hva_cache_init