Re: KASAN: use-after-free Read in vkms_dumb_create

2020-04-28 Thread Ezequiel Garcia
On Tue, 28 Apr 2020 at 09:47, Hillf Danton wrote: > > > Sun, 26 Apr 2020 20:48:12 -0700 > > syzbot found the following crash on: > > > > HEAD commit:c578ddb3 Merge tag 'linux-kselftest-5.7-rc3' of git://git... > > git tree: upstream > > console output: https://syzkaller.appspot.com/x/log

Re: KASAN: use-after-free Read in vkms_dumb_create

2020-04-28 Thread Hillf Danton
Sun, 26 Apr 2020 20:48:12 -0700 > syzbot found the following crash on: > > HEAD commit:c578ddb3 Merge tag 'linux-kselftest-5.7-rc3' of git://git... > git tree: upstream > console output: https://syzkaller.appspot.com/x/log.txt?x=10fbf0d810 > kernel config: https://syzkaller.appspo

Re: KASAN: use-after-free Read in vkms_dumb_create

2020-04-28 Thread syzbot
Hello, syzbot tried to test the proposed patch but build/boot failed: failed to apply patch: checking file drivers/gpu/drm/vkms/vkms_gem.c patch: unexpected end of file in patch Tested on: commit: c578ddb3 Merge tag 'linux-kselftest-5.7-rc3' of git://git... git tree: https

Re: Re: KASAN: use-after-free Read in vkms_dumb_create

2020-04-28 Thread syzbot
> On Mon, 27 Apr 2020 at 00:48, syzbot > wrote: >> >> Hello, >> >> syzbot found the following crash on: >> >> HEAD commit:c578ddb3 Merge tag 'linux-kselftest-5.7-rc3' of git://git... >> git tree: upstream >> console output: https://syzkaller.appspot.com/x/log.txt?x=10fbf0d810 >> kern

Re: KASAN: use-after-free Read in vkms_dumb_create

2020-04-27 Thread Ezequiel Garcia
On Mon, 27 Apr 2020 at 00:48, syzbot wrote: > > Hello, > > syzbot found the following crash on: > > HEAD commit:c578ddb3 Merge tag 'linux-kselftest-5.7-rc3' of git://git... > git tree: upstream > console output: https://syzkaller.appspot.com/x/log.txt?x=10fbf0d810 > kernel config: h

Re: KASAN: use-after-free Read in vkms_dumb_create

2020-04-27 Thread Ezequiel Garcia
On Mon, 27 Apr 2020 at 00:48, syzbot wrote: > > Hello, > > syzbot found the following crash on: > > HEAD commit:c578ddb3 Merge tag 'linux-kselftest-5.7-rc3' of git://git... > git tree: upstream > console output: https://syzkaller.appspot.com/x/log.txt?x=10fbf0d810 > kernel config: h

KASAN: use-after-free Read in vkms_dumb_create

2020-04-27 Thread syzbot
Hello, syzbot found the following crash on: HEAD commit:c578ddb3 Merge tag 'linux-kselftest-5.7-rc3' of git://git... git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=10fbf0d810 kernel config: https://syzkaller.appspot.com/x/.config?x=b7a70e992f2f9b68 das