Re: KASAN: invalid-access Write in enqueue_timer

2021-02-16 Thread Dmitry Vyukov
On Tue, Feb 16, 2021 at 7:15 PM Dmitry Vyukov wrote: > > On Tue, Feb 16, 2021 at 06:50:20PM +0100, Jason A. Donenfeld wrote: > > > On Tue, Feb 16, 2021 at 6:46 PM Jason A. Donenfeld > > > wrote: > > > > On Tue, Feb 16, 2021 at 6:28 PM Catalin Marinas > > > > wrote: > > > > > > hlist_add_head

Re: KASAN: invalid-access Write in enqueue_timer

2021-02-16 Thread Dmitry Vyukov
On Tue, Feb 16, 2021 at 7:01 PM Catalin Marinas wrote: > > On Tue, Feb 16, 2021 at 06:50:20PM +0100, Jason A. Donenfeld wrote: > > On Tue, Feb 16, 2021 at 6:46 PM Jason A. Donenfeld wrote: > > > On Tue, Feb 16, 2021 at 6:28 PM Catalin Marinas > > > wrote: > > > > > hlist_add_head include/linux

Re: KASAN: invalid-access Write in enqueue_timer

2021-02-16 Thread Catalin Marinas
On Tue, Feb 16, 2021 at 06:50:20PM +0100, Jason A. Donenfeld wrote: > On Tue, Feb 16, 2021 at 6:46 PM Jason A. Donenfeld wrote: > > On Tue, Feb 16, 2021 at 6:28 PM Catalin Marinas > > wrote: > > > > hlist_add_head include/linux/list.h:883 [inline] > > > > enqueue_timer+0x18/0xc0 kernel/time/ti

Re: KASAN: invalid-access Write in enqueue_timer

2021-02-16 Thread Jason A. Donenfeld
On Tue, Feb 16, 2021 at 6:46 PM Jason A. Donenfeld wrote: > > Hi Catalin, > > On Tue, Feb 16, 2021 at 6:28 PM Catalin Marinas > wrote: > > Adding Jason and Ard. It may be a use-after-free in the wireguard > > driver. > > Thanks for sending this my way. Note: to my knowledge, Ard doesn't > work o

Re: KASAN: invalid-access Write in enqueue_timer

2021-02-16 Thread Jason A. Donenfeld
Hi Catalin, On Tue, Feb 16, 2021 at 6:28 PM Catalin Marinas wrote: > Adding Jason and Ard. It may be a use-after-free in the wireguard > driver. Thanks for sending this my way. Note: to my knowledge, Ard doesn't work on wireguard. > > hlist_add_head include/linux/list.h:883 [inline] > > enque

Re: KASAN: invalid-access Write in enqueue_timer

2021-02-16 Thread Catalin Marinas
Adding Jason and Ard. It may be a use-after-free in the wireguard driver. Catalin On Mon, Feb 15, 2021 at 04:06:16PM -0800, syzbot wrote: > Hello, > > syzbot found the following issue on: > > HEAD commit:f40ddce8 Linux 5.11 > git tree: upstream > console output: https://syzkaller.apps

KASAN: invalid-access Write in enqueue_timer

2021-02-15 Thread syzbot
Hello, syzbot found the following issue on: HEAD commit:f40ddce8 Linux 5.11 git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=1395db28d0 kernel config: https://syzkaller.appspot.com/x/.config?x=494a8e2d9bf09818 dashboard link: https://syzkaller.appspot.co