On Mon, Mar 15, 2021 at 1:09 PM Catalin Marinas wrote:
>
> On Mon, Mar 15, 2021 at 08:08:06AM +0100, Dmitry Vyukov wrote:
> > On Wed, Feb 3, 2021 at 6:59 AM syzbot
> > wrote:
> > > syzbot found the following issue on:
> > >
> > > HEAD commit:3aa
On Mon, Mar 15, 2021 at 12:30 PM Ben Dooks wrote:
>
> On 14/03/2021 11:03, Dmitry Vyukov wrote:
> > On Sun, Mar 14, 2021 at 11:01 AM Dmitry Vyukov wrote:
> >>> On Wed, Mar 10, 2021 at 7:28 PM syzbot
> >>> wrote:
> >>>>
> >
Hi,
I am trying to boot 5.12-rc3 with this config:
https://github.com/google/syzkaller/blob/cc1cff8f1e1a585894796d6eae8c51eef98037e6/dashboard/config/linux/upstream-smack-kasan.config
in qemu:
qemu-system-x86_64 -enable-kvm -machine q35,nvdimm -cpu
max,migratable=off -smp 4 -m
On Mon, Feb 1, 2021 at 1:16 PM Mark Rutland wrote:
>
> On Fri, Jan 29, 2021 at 09:35:46AM +0100, Dmitry Vyukov wrote:
> > On Fri, Jan 29, 2021 at 9:34 AM syzbot
> > wrote:
> > >
> > > Hello,
> > >
> > > syzbot found the following issue
On Mon, Mar 15, 2021 at 11:31 AM John Garry wrote:
>
> On 15/03/2021 10:01, Dmitry Vyukov wrote:
> > On Mon, Mar 15, 2021 at 10:45 AM John Garry wrote:
> >>>> It does not happen too often on syzbot so far, so let's try to do the
> >>>>
On Mon, Mar 15, 2021 at 10:38 AM Walter Wu wrote:
>
> On Mon, 2021-03-15 at 07:58 +0100, 'Dmitry Vyukov' via kasan-dev wrote:
> > On Mon, Mar 15, 2021 at 3:00 AM Walter Wu wrote:
> > >
> > > Why record task_work_add() call stack?
> > > Syzbot reports many u
On Mon, Mar 15, 2021 at 10:45 AM John Garry wrote:
> >> It does not happen too often on syzbot so far, so let's try to do the
> >> right thing first.
> >> I've filed: https://bugs.launchpad.net/qemu/+bug/1918917
> >> with a link to this thread. To be fair, I don't fully understand what
> >> I am
On Sun, Mar 14, 2021 at 10:29 PM Alexander Lochmann
wrote:
> On 12.02.21 13:54, Dmitry Vyukov wrote:
> >
> > I think we could make KCOV_IN_CTXSW sign bit and then express the check as:
> >
> > void foo2(unsigned mode) {
> > if (((int)(mod
On Mon, Mar 15, 2021 at 1:48 AM syzbot
wrote:
>
> Hello,
>
> syzbot found the following issue on:
>
> HEAD commit:88fe4924 Merge tag 'char-misc-5.12-rc3' of git://git.kerne..
> git tree: upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=10252462d0
> kernel config:
On Wed, Feb 3, 2021 at 6:59 AM syzbot
wrote:
>
> Hello,
>
> syzbot found the following issue on:
>
> HEAD commit:3aaf0a27 Merge tag 'clang-format-for-linux-v5.11-rc7' of g..
> git tree: upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=17ef6108d0
> kernel config:
gt; [1]:
> https://groups.google.com/g/syzkaller-bugs/search?q=kasan%20use-after-free%20task_work_run
>
> Signed-off-by: Walter Wu
> Suggested-by: Dmitry Vyukov
> Cc: Andrey Ryabinin
> Cc: Dmitry Vyukov
> Cc: Andrey Konovalov
> Cc: Alexander Potapenko
> Cc: A
On Sun, Mar 14, 2021 at 11:01 AM Dmitry Vyukov wrote:
> > On Wed, Mar 10, 2021 at 7:28 PM syzbot
> > wrote:
> > >
> > > Hello,
> > >
> > > syzbot found the following issue on:
> > >
> > > HEAD commit:0d7588ab riscv:
On Sun, Mar 14, 2021 at 11:14 AM syzbot
wrote:
>
> Hello,
>
> syzbot found the following issue on:
>
> HEAD commit:0d7588ab riscv: process: Fix no prototype for arch_dup_tas..
> git tree: git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git
> fixes
> console output:
On Wed, Mar 10, 2021 at 7:53 PM Dmitry Vyukov wrote:
>
> On Wed, Mar 10, 2021 at 7:28 PM syzbot
> wrote:
> >
> > Hello,
> >
> > syzbot found the following issue on:
> >
> > HEAD commit:0d7588ab riscv: process: Fix no prototype for arch_dup_tas..
On Fri, Mar 12, 2021 at 9:12 PM Ben Dooks wrote:
>
> On 12/03/2021 16:25, Alex Ghiti wrote:
> >
> >
> > Le 3/12/21 à 10:12 AM, Dmitry Vyukov a écrit :
> >> On Fri, Mar 12, 2021 at 2:50 PM Ben Dooks
> >> wrote:
> >>>
> >>> On 10/03
On Fri, Mar 12, 2021 at 6:34 PM Dmitry Vyukov wrote:
>
> On Fri, Mar 12, 2021 at 5:36 PM Ben Dooks wrote:
> >
> > On 12/03/2021 16:34, Ben Dooks wrote:
> > > On 12/03/2021 16:30, Ben Dooks wrote:
> > >> On 12/03/2021 15:12, Dmitry Vyukov wrote:
> >
On Fri, Mar 12, 2021 at 5:36 PM Ben Dooks wrote:
>
> On 12/03/2021 16:34, Ben Dooks wrote:
> > On 12/03/2021 16:30, Ben Dooks wrote:
> >> On 12/03/2021 15:12, Dmitry Vyukov wrote:
> >>> On Fri, Mar 12, 2021 at 2:50 PM Ben Dooks
> >>> wrote:
> >
On Fri, Mar 12, 2021 at 3:22 PM Daniel Vetter wrote:
>
> On Fri, Mar 12, 2021 at 11:46:27AM +0100, Dmitry Vyukov wrote:
> > On Fri, Mar 12, 2021 at 11:26 AM syzbot
> > wrote:
> > >
> > > Hello,
> > >
> > > syzbot found the following issue o
On Fri, Mar 12, 2021 at 2:50 PM Ben Dooks wrote:
>
> On 10/03/2021 17:16, Dmitry Vyukov wrote:
> > On Wed, Mar 10, 2021 at 5:46 PM syzbot
> > wrote:
> >>
> >> Hello,
> >>
> >> syzbot found the following issue on:
> >>
On Wed, Jan 27, 2021 at 6:34 PM Will Deacon wrote:
>
> On Wed, Jan 27, 2021 at 06:24:22PM +0100, Dmitry Vyukov wrote:
> > On Wed, Jan 27, 2021 at 6:15 PM Will Deacon wrote:
> > >
> > > On Wed, Jan 27, 2021 at 06:00:30PM +0100, Dmitry Vyukov wrote:
> > > &
On Fri, Mar 12, 2021 at 11:26 AM syzbot
wrote:
>
> Hello,
>
> syzbot found the following issue on:
>
> HEAD commit:f78d76e7 Merge tag 'drm-fixes-2021-03-12-1' of git://anong..
> git tree: upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=11c16ba2d0
> kernel
On Fri, Mar 12, 2021 at 11:11 AM Arnd Bergmann wrote:
> > > On Fri, Mar 12, 2021 at 9:46 AM Dmitry Vyukov wrote:
> > > > On Fri, Mar 12, 2021 at 9:40 AM Arnd Bergmann wrote:
> > > > > On Thu, Mar 11, 2021 at 6:57 PM Dmitry Vyukov
> > > > >
On Fri, Mar 12, 2021 at 10:16 AM Arnd Bergmann wrote:
>
> On Fri, Mar 12, 2021 at 9:46 AM Dmitry Vyukov wrote:
> > On Fri, Mar 12, 2021 at 9:40 AM Arnd Bergmann wrote:
> > > On Thu, Mar 11, 2021 at 6:57 PM Dmitry Vyukov wrote:
> > > a) accessing a legacy
On Fri, Mar 12, 2021 at 8:07 AM syzbot
wrote:
>
> Hello,
>
> syzbot found the following issue on:
>
> HEAD commit:05a59d79 Merge git://git.kernel.org:/pub/scm/linux/kernel/..
> git tree: upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=15b8820ad0
> kernel config:
On Fri, Mar 12, 2021 at 9:40 AM Arnd Bergmann wrote:
>
> On Thu, Mar 11, 2021 at 6:57 PM Dmitry Vyukov wrote:
> > On Thu, Mar 11, 2021 at 2:30 PM Arnd Bergmann wrote:
> > > >
> > > > The instances found few arm64-specific issues that we have not
On Thu, Mar 11, 2021 at 6:25 PM Dmitry Vyukov wrote:
>
> On Thu, Mar 11, 2021 at 2:30 PM Arnd Bergmann wrote:
> >
> > On Thu, Mar 11, 2021 at 12:38 PM Dmitry Vyukov wrote:
> > >
> > > The instances found few arm64-specific issues that we have not
> > &
On Fri, Mar 12, 2021 at 3:30 AM Andy Lutomirski wrote:
>
> Your warning is odd, but I see the bug. It's in KVM.
Hi Andy,
By "your" you mean "kernel", right? ;)
> On Thu, Mar 11, 2021 at 4:37 PM syzbot
> wrote:
> >
> > Hello,
> >
> > syzbot found the following issue on:
> >
> > HEAD commit:
On Fri, Mar 12, 2021 at 5:13 AM wrote:
>
> From: Zqiang
>
> BUG: using smp_processor_id() in preemptible [] code:
> syz-executor.0/15841
> caller is debug_smp_processor_id+0x20/0x24
> lib/smp_processor_id.c:64
>
> The smp_processor_id() is used in a code segment when
> preemption has
On Thu, Mar 11, 2021 at 2:30 PM Arnd Bergmann wrote:
> >
> > The instances found few arm64-specific issues that we have not
> > observed on other instances:
>
> I've had a brief look at these:
>
> > https://syzkaller.appspot.com/bug?id=1d22a2cc3521d5cf6b41bd6b825793c2015f861f
>
> This one
On Thu, Mar 11, 2021 at 2:30 PM Arnd Bergmann wrote:
>
> On Thu, Mar 11, 2021 at 12:38 PM Dmitry Vyukov wrote:
> >
> > The instances found few arm64-specific issues that we have not
> > observed on other instances:
>
> I've had a brief look at these:
>
> &g
On Thu, Mar 11, 2021 at 1:33 PM Mark Rutland wrote:
> On Thu, Mar 11, 2021 at 12:38:21PM +0100, 'Dmitry Vyukov' via syzkaller wrote:
> > Hi arm64 maintainers,
> > The instances have KCOV disabled because it slows down execution too
> > much (KASAN in qemu emulation is alread
On Thu, Mar 11, 2021 at 1:33 PM Mark Rutland wrote:
>
> On Thu, Mar 11, 2021 at 12:38:21PM +0100, 'Dmitry Vyukov' via syzkaller wrote:
> > Hi arm64 maintainers,
>
> Hi Dmitry,
>
> > We now have some syzbot instances testing arm64 (woohoo!) using qemu
> >
On Thu, Mar 11, 2021 at 12:23 PM syzbot
wrote:
>
> syzbot suspects this issue was fixed by commit:
>
> commit e812cbb15adbbbee176baa1e8bda53059bf0
> Author: Phillip Lougher
> Date: Tue Feb 9 21:41:50 2021 +
>
> squashfs: avoid out of bounds writes in decompressors
>
> bisection
On Thu, Mar 11, 2021 at 3:25 PM Jan Kara wrote:
>
> On Thu 11-03-21 02:59:14, syzbot wrote:
> > HEAD commit:a74e6a01 Merge tag 's390-5.12-3' of git://git.kernel.org/p..
> > git tree: upstream
> > console output: https://syzkaller.appspot.com/x/log.txt?x=159f69ecd0
> > kernel config:
Hi arm64 maintainers,
We now have some syzbot instances testing arm64 (woohoo!) using qemu
emulation. I wanted to write up the current status.
There are 3 instances, first uses KASAN:
https://syzkaller.appspot.com/upstream?manager=ci-qemu2-arm64
second KASAN and 32-bit userspace test load
On Thu, Mar 11, 2021 at 7:50 AM Dmitry Vyukov wrote:
>
> On Thu, Mar 11, 2021 at 7:40 AM Alex Ghiti wrote:
> >
> > Hi Ben,
> >
> > Le 3/10/21 à 5:24 PM, Ben Dooks a écrit :
> > > On 10/03/2021 17:16, Dmitry Vyukov wrote:
> > >> O
On Thu, Mar 11, 2021 at 7:40 AM Alex Ghiti wrote:
>
> Hi Ben,
>
> Le 3/10/21 à 5:24 PM, Ben Dooks a écrit :
> > On 10/03/2021 17:16, Dmitry Vyukov wrote:
> >> On Wed, Mar 10, 2021 at 5:46 PM syzbot
> >> wrote:
> >>>
> >>> Hello,
>
On Wed, Mar 10, 2021 at 7:28 PM syzbot
wrote:
>
> Hello,
>
> syzbot found the following issue on:
>
> HEAD commit:0d7588ab riscv: process: Fix no prototype for arch_dup_tas..
> git tree: git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git
> fixes
> console output:
On Tue, Mar 9, 2021 at 8:49 PM Alex Ghiti wrote:
>
> Le 3/9/21 à 12:11 PM, Dmitry Vyukov a écrit :
> > On Fri, Feb 19, 2021 at 11:26 PM 'Palmer Dabbelt' via syzkaller
> > wrote:
> >>
> >> On Fri, 19 Feb 2021 10:53:43 PST (-0800), dvyu...@google.com wrote:
&
On Wed, Mar 10, 2021 at 5:46 PM syzbot
wrote:
>
> Hello,
>
> syzbot found the following issue on:
>
> HEAD commit:0d7588ab riscv: process: Fix no prototype for arch_dup_tas..
> git tree: git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git
> fixes
> console output:
On Wed, Mar 10, 2021 at 10:02 AM Palash Oswal wrote:
>
> On Tue, Mar 9, 2021 at 7:58 PM Al Viro wrote:
> > Lovely. So something in that sequence of syscalls manages to trigger
> > segfault in unrelated process. What happens if you put it to sleep
> > right after open_by_handle_at() (e.g. by
On Fri, Feb 19, 2021 at 11:26 PM 'Palmer Dabbelt' via syzkaller
wrote:
>
> On Fri, 19 Feb 2021 10:53:43 PST (-0800), dvyu...@google.com wrote:
> > On Fri, Feb 19, 2021 at 6:01 PM Alex Ghiti wrote:
> >>
> >> Hi Dmitry,
> >>
> >> Le 2/18/21 à 6:36 A
On Tue, Mar 9, 2021 at 6:05 PM Sean Christopherson wrote:
>
> On Tue, Mar 09, 2021, Peter Zijlstra wrote:
> > On Tue, Mar 09, 2021 at 08:46:49AM +0100, Peter Zijlstra wrote:
> > > On Mon, Mar 08, 2021 at 12:40:44PM -0800, Sean Christopherson wrote:
> > > > On Mon, Mar 08, 2021, Peter Zijlstra
On Fri, Oct 16, 2020 at 3:07 PM syzbot
wrote:
>
> > #syz test:
> > git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git
> > f25a7033ecb675101f8bc060a7c5fbe0c9076fd3
>
> "\tf25a7033ecb675101f8bc060a7c5fbe0c9076fd3" does not look like a valid git
> branch or commit.
Hi
On Tue, Mar 9, 2021 at 3:31 PM Al Viro wrote:
> > I observe the following result(notice the segfault in systemd):
> > root@sandbox:~# ./repro
> > [9.457767] got to 221
> > [9.457791] got to 183
> > [9.459144] got to 201
> > [9.459471] got to 208
> > [9.459773] got to 210
> > [
On Mon, Jan 25, 2021 at 2:16 PM John Ogness wrote:
>
> On 2021-01-25, syzbot
> wrote:
> > syzbot found the following issue on:
> >
> > HEAD commit:e6806137 Merge tag 'irq_urgent_for_v5.11_rc5' of git://git..
> > git tree: upstream
> > console output:
On Tue, Mar 9, 2021 at 12:38 PM Takashi Iwai wrote:
>
> On Tue, 09 Mar 2021 12:32:18 +0100,
> syzbot wrote:
> >
> > Hello,
> >
> > syzbot found the following issue on:
> >
> > HEAD commit:4641b323 Add linux-next specific files for 20210305
> > git tree: linux-next
> > console output:
On Sat, Mar 6, 2021 at 12:37 PM Dmitry Vyukov wrote:
>
> On Fri, Mar 5, 2021 at 9:56 PM syzbot
> wrote:
> >
> > Hello,
> >
> > syzbot found the following issue on:
> >
> > HEAD commit:280d542f Merge tag 'drm-fixes-2021-03-05' of git://anongit..
&g
On Fri, Mar 5, 2021 at 9:57 PM syzbot
wrote:
>
> Hello,
>
> syzbot found the following issue on:
>
> HEAD commit:d310ec03 Merge tag 'perf-core-2021-02-17' of git://git.ker..
> git tree: net-next
> console output: https://syzkaller.appspot.com/x/log.txt?x=1532e4c6d0
> kernel config:
On Sat, Mar 6, 2021 at 12:28 PM syzbot
wrote:
>
> Hello,
>
> syzbot found the following issue on:
>
> HEAD commit:edbea922 veth: Store queue_mapping independently of XDP pr..
> git tree: bpf
> console output: https://syzkaller.appspot.com/x/log.txt?x=113ae02ad0
> kernel config:
On Sat, Mar 6, 2021 at 8:37 AM syzbot
wrote:
>
> Hello,
>
> syzbot found the following issue on:
>
> HEAD commit:ad5d07f4 cipso,calipso: resolve a number of problems with ..
> git tree: net
> console output: https://syzkaller.appspot.com/x/log.txt?x=12aca7cad0
> kernel config:
On Sat, Mar 6, 2021 at 8:37 AM syzbot
wrote:
>
> Hello,
>
> syzbot found the following issue on:
>
> HEAD commit:d01b59c9 bpf: Add bpf_skb_adjust_room flag BPF_F_ADJ_ROOM_..
> git tree: bpf-next
> console output: https://syzkaller.appspot.com/x/log.txt?x=1592bd66d0
> kernel config:
On Tue, Mar 9, 2021 at 12:29 AM 'Sean Christopherson' via
syzkaller-bugs wrote:
>
> On Mon, Mar 08, 2021, syzbot wrote:
> > Hello,
> >
> > syzbot found the following issue on:
> >
> > HEAD commit:a38fd874 Linux 5.12-rc2
> > git tree: upstream
> > console output:
On Mon, Mar 8, 2021 at 9:35 AM Like Xu wrote:
>
> On 2021/3/8 15:12, Dmitry Vyukov wrote:
> > On Mon, Mar 8, 2021 at 3:26 AM Xu, Like wrote:
> >>
> >> On 2021/3/6 6:33, Sean Christopherson wrote:
> >>> Handle a NULL x86_pmu.guest_
xes: abd562df94d1 ("x86/perf: Use static_call for x86_pmu.guest_get_msrs")
> > Cc: Like Xu
> > Cc: Paolo Bonzini
> > Cc: Jim Mattson
> > Cc: k...@vger.kernel.org
> > Reported-by: Dmitry Vyukov
> > Signed-off-by: Sean Christopherson
> > ---
> &
On Sun, Mar 7, 2021 at 11:09 AM Hillf Danton wrote:
>
> On Sun, 7 Mar 2021 08:46:19 +0100 Dmitry Vyukov wrote:
> > On Sun, Mar 7, 2021 at 3:15 AM Hillf Danton wrote:
> > >
> > > Dmitry can you shed some light on the tricks to config kasan to print
&
On Sun, Mar 7, 2021 at 3:15 AM Hillf Danton wrote:
>
> On Fri, 5 Mar 2021 18:01:04 +0800 Ming Lei wrote:
> > On Fri, Mar 05, 2021 at 10:32:04AM +0100, Paolo Valente wrote:
> > > I'm thinking of a way to debug this too. The symptom may hint at a
> > > use-after-free. Could you enable KASAN in
On Fri, Mar 5, 2021 at 9:56 PM syzbot
wrote:
>
> Hello,
>
> syzbot found the following issue on:
>
> HEAD commit:280d542f Merge tag 'drm-fixes-2021-03-05' of git://anongit..
> git tree: upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=138c7a92d0
> kernel config:
On Wed, Feb 3, 2021 at 8:24 PM Pavel Machek wrote:
>
> Hi!
> On Wed 2021-02-03 19:22:34, Dmitry Vyukov wrote:
> > On Wed, Feb 3, 2021 at 6:39 PM bobwxc wrote:
> > >
> > > On Wed, Feb 03, 2021 at 05:05:43PM +0100, Pavel Machek wrote:
> > > > On
On Fri, Sep 4, 2020 at 8:49 PM syzbot
wrote:
>
> Hello,
>
> syzbot found the following issue on:
>
> HEAD commit:0f091e43 netlabel: remove unused param from audit_log_form..
> git tree: net-next
> console output: https://syzkaller.appspot.com/x/log.txt?x=14551a7190
> kernel config:
On Fri, Mar 13, 2020 at 8:43 AM Dmitry Vyukov wrote:
>
> On Thu, Mar 12, 2020 at 9:36 PM Jim Mattson wrote:
> >
> > On Wed, Mar 11, 2020 at 1:35 PM Jim Mattson wrote:
> > >
> > > On Wed, Mar 11, 2020 at 1:18 PM Dmitry Vyukov wrote:
> > >
> &
On Wed, Mar 3, 2021 at 12:10 AM Jakub Kicinski wrote:
>
> On Tue, 2 Mar 2021 12:55:47 +0100 Dmitry Vyukov wrote:
> > On Tue, Mar 2, 2021 at 10:06 AM Hillf Danton wrote:
> > > On Mar 2, 2021 at 16:40 Dmitry Vyukov wrote:
> > > >I hoped this would get at least into
l_data()
- by Peilin Ye @ 2020-08-08 4:04 UTC [21%]
13. KASAN: null-ptr-deref Write in amp_read_loc_assoc_final_data
- by syzbot @ 2020-07-31 17:04 UTC [13%]
> Thanks & regards,
> Gopal Tiwari
>
>
>
> - Original Message -
> From: "Dmitry Vyukov"
> To
On Wed, Mar 3, 2021 at 9:59 AM Hillf Danton wrote:
>
> On Tue, 02 Mar 2021 15:18:16 +0100 Johannes Berg wrote:
> > On Wed, 2021-02-24 at 10:30 +0800, Hillf Danton wrote:
> > >
> > > Add budget for the 80211 softint handler - it's feasible not to try to
> > > build the giant pyramid in a week.
>
On Sat, Aug 8, 2020 at 6:06 AM Peilin Ye wrote:
>
> Prevent amp_read_loc_assoc_final_data() from dereferencing `mgr` as NULL.
>
> Reported-and-tested-by: syzbot+f4fb0eaafdb51c32a...@syzkaller.appspotmail.com
> Fixes: 9495b2ee757f ("Bluetooth: AMP: Process Chan Selected event")
> Signed-off-by:
On Tue, Mar 2, 2021 at 8:25 PM syzbot
wrote:
>
> syzbot has found a reproducer for the following issue on:
>
> HEAD commit:7a7fd0de Merge branch 'kmap-conversion-for-5.12' of git://..
> git tree: upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=13693866d0
>
On Tue, Mar 2, 2021 at 5:10 PM Paul Moore wrote:
>
> On Tue, Mar 2, 2021 at 6:03 AM Dmitry Vyukov wrote:
> >
>
> ...
>
> > Besides these 2 crashes, we've also seen one on a 4.19 based kernel, see
> > below.
> > Based on the reports with mismatching st
On Tue, Mar 2, 2021 at 3:18 PM Johannes Berg wrote:
>
> On Wed, 2021-02-24 at 10:30 +0800, Hillf Danton wrote:
> >
> > Add budget for the 80211 softint handler - it's feasible not to try to
> > build the giant pyramid in a week.
> >
> > --- x/net/mac80211/main.c
> > +++ y/net/mac80211/main.c
> >
On Tue, Mar 2, 2021 at 10:06 AM Hillf Danton wrote:
>
> On Mar 2, 2021 at 16:40 Dmitry Vyukov wrote:
>
> >I hoped this would get at least into 5.12. syzbot can't start testing
>
> >arm32 because of this.
>
>
>
> Or what is more feasible is you send a fix to Jak
On Tue, Mar 2, 2021 at 12:01 PM syzbot
wrote:
>
> Hello,
>
> syzbot found the following issue on:
>
> HEAD commit:5695e516 Merge tag 'io_uring-worker.v3-2021-02-25' of git:..
> git tree: upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=168c27f2d0
> kernel config:
On Tue, Mar 2, 2021 at 9:43 AM Hillf Danton wrote:
>
> Mon, 01 Mar 2021 11:29:16 -0800
> > Hello,
> >
> > syzbot found the following issue on:
> >
> > HEAD commit:29c395c7 Merge tag 'x86-entry-2021-02-24' of git://git.ker..
> > git tree: upstream
> > console output:
On Fri, Jan 29, 2021 at 6:36 AM Hillf Danton wrote:
>
> On 29 Jan 2021 2:58:22 Jakub Kicinski wrpte:
>
> >On Thu, 28 Jan 2021 10:43:16 +0800 Hillf Danton wrote:
>
> >> Init the u64 stats in order to avoid the lockdep prints on the 32bit
>
> >> hardware like
>
> >
>
> >Thanks for the fix!
>
>
>
>
On Mon, Mar 1, 2021 at 9:39 PM Rustam Kovhaev wrote:
>
> On Mon, Mar 01, 2021 at 08:05:42PM +0100, Dmitry Vyukov wrote:
> > On Mon, Mar 1, 2021 at 5:21 PM Rustam Kovhaev wrote:
> > >
> > > On Wed, Dec 09, 2020 at 10:58:10PM -0800, syzbot wrote:
> &g
On Mon, Mar 1, 2021 at 5:21 PM Rustam Kovhaev wrote:
>
> On Wed, Dec 09, 2020 at 10:58:10PM -0800, syzbot wrote:
> > syzbot has found a reproducer for the following issue on:
> >
> > HEAD commit:a68a0262 mm/madvise: remove racy mm ownership check
> > git tree: upstream
> > console
On Mon, Mar 1, 2021 at 8:10 AM Lukas Bulwahn wrote:
>
> Hi,
>
> On Mon, Mar 1, 2021 at 7:58 AM wrote:
> >
> > This is the first time for me to report something, so maybe the format is
> > not right. Please correct me if I'm wrong. Thank you ~
> > When using Syzkaller to fuzz Linux kernel
On Fri, Feb 26, 2021 at 10:48 AM syzbot
wrote:
>
> Hello,
>
> syzbot found the following issue on:
>
> HEAD commit:d01f2f7e Add linux-next specific files for 20210226
> git tree: linux-next
> console output: https://syzkaller.appspot.com/x/log.txt?x=1750e9b0d0
> kernel config:
On Wed, Feb 24, 2021 at 7:08 PM 'Sean Christopherson' via
syzkaller-bugs wrote:
>
> On Wed, Feb 24, 2021, Borislav Petkov wrote:
> > Hi Dmitry,
> >
> > On Wed, Feb 24, 2021 at 06:12:57PM +0100, Dmitry Vyukov wrote:
> > > Looking at the bisection log, the bise
On Wed, Feb 24, 2021 at 6:49 PM Borislav Petkov wrote:
>
> Hi Dmitry,
>
> On Wed, Feb 24, 2021 at 06:12:57PM +0100, Dmitry Vyukov wrote:
> > Looking at the bisection log, the bisection was distracted by something
> > else.
>
> Meaning the bisection result:
>
On Wed, Feb 24, 2021 at 1:27 PM Borislav Petkov wrote:
>
> On Tue, Feb 23, 2021 at 03:17:07PM -0800, syzbot wrote:
> > syzbot has bisected this issue to:
> >
> > commit 167dcfc08b0b1f964ea95d410aa496fd78adf475
> > Author: Lorenzo Stoakes
> > Date: Tue Dec 15 20:56:41 2020 +
> >
> >
On Tue, Feb 23, 2021 at 3:34 PM Marco Elver wrote:
>
> Adds bit perf_event_attr::sigtrap, which can be set to cause events to
> send SIGTRAP (with si_code TRAP_PERF) to the task where the event
> occurred. To distinguish perf events and allow user space to decode
> si_perf (if set), the event
On Tue, Feb 23, 2021 at 4:10 PM 'Marco Elver' via kasan-dev
wrote:
> > > Encode information from breakpoint attributes into siginfo_t, which
> > > helps disambiguate which breakpoint fired.
> > >
> > > Note, providing the event fd may be unreliable, since the event may have
> > > been modified
On Tue, Feb 23, 2021 at 3:34 PM Marco Elver wrote:
>
> Encode information from breakpoint attributes into siginfo_t, which
> helps disambiguate which breakpoint fired.
>
> Note, providing the event fd may be unreliable, since the event may have
> been modified (via
int cpu = READ_ONCE(event->pending_disable);
> @@ -6297,6 +6308,13 @@ static void perf_pending_event_disable(struct
> perf_event *event)
>
> if (cpu == smp_processor_id()) {
> WRITE_ONCE(event->pending_disable, -1);
> +
> + if (event-&g
ming.kicks-ass.net
> Suggested-by: Dmitry Vyukov
> Signed-off-by: Marco Elver
Reviewed-by: Dmitry Vyukov
> ---
> kernel/events/core.c | 22 +-
> 1 file changed, 21 insertions(+), 1 deletion(-)
>
> diff --git a/kernel/events/core.c b/kernel/events/core.c
&g
On Mon, Feb 22, 2021 at 6:22 AM Zhiyuan Dai wrote:
>
> Like volatile, the kernel primitives which make concurrent
> access to data safe (spinlocks, mutexes, memory barriers,
> etc.) are designed to prevent unwanted optimization.
>
> If they are being used properly, there will be no need to
> use
obias Klauser
Date: Tue Feb 16 18:33:05 2021 +0100
riscv: Disable KSAN_SANITIZE for vDSO
and the kernel started booting with my large config.
It quickly crashed (see below), but at least it started booting, so
it's an improvement.
Tested-by: Dmitry Vyukov
Linux version 5.11.0-rc2-
On Sat, Jan 9, 2021 at 6:33 PM Dmitry Vyukov wrote:
>
> On Sat, Jan 9, 2021 at 6:14 PM Eric Biggers wrote:
> >
> > +Jason, since this looks WireGuard-related.
>
> I suspect that the uninit was created by geneve or batadv and then
> just handed off to wir
On Fri, Feb 19, 2021 at 6:01 PM Alex Ghiti wrote:
>
> Hi Dmitry,
>
> Le 2/18/21 à 6:36 AM, Dmitry Vyukov a écrit :
> > On Thu, Feb 18, 2021 at 8:54 AM Alex Ghiti wrote:
> >>
> >> Hi Dmitry,
> >>
> >>> On Wed, Feb 17, 2021 at 5:36 PM Alex
On Thu, Feb 18, 2021 at 1:41 PM Paolo Abeni wrote:
>
> On Wed, 2021-02-17 at 09:31 -0800, syzbot wrote:
> > syzbot found the following issue on:
> >
> > HEAD commit:c48f8607 Merge branch 'PTP-for-DSA-tag_ocelot_8021q'
> > git tree: net-next
> > console output:
On Thu, Feb 18, 2021 at 8:54 AM Alex Ghiti wrote:
>
> Hi Dmitry,
>
> > On Wed, Feb 17, 2021 at 5:36 PM Alex Ghiti wrote:
> >>
> >> Le 2/16/21 à 11:42 PM, Dmitry Vyukov a écrit :
> >>> On Tue, Feb 16, 2021 at 9:42 PM Alex Ghiti wrote:
> >>&
On Wed, Feb 17, 2021 at 5:36 PM Alex Ghiti wrote:
>
> Le 2/16/21 à 11:42 PM, Dmitry Vyukov a écrit :
> > On Tue, Feb 16, 2021 at 9:42 PM Alex Ghiti wrote:
> >>
> >> Hi Dmitry,
> >>
> >> Le 2/16/21 à 6:25 AM, Dmitry Vyukov a écrit :
> >&g
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
> &g
On Tue, Feb 16, 2021 at 9:42 PM Alex Ghiti wrote:
>
> Hi Dmitry,
>
> Le 2/16/21 à 6:25 AM, Dmitry Vyukov a écrit :
> > On Tue, Feb 16, 2021 at 12:17 PM Dmitry Vyukov wrote:
> >>
> >> On Fri, Jan 29, 2021 at 9:11 AM Dmitry Vyukov wrote:
> >>>> I
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
On Tue, Feb 16, 2021 at 12:25 PM Dmitry Vyukov wrote:
>
> On Tue, Feb 16, 2021 at 12:17 PM Dmitry Vyukov wrote:
> >
> > On Fri, Jan 29, 2021 at 9:11 AM Dmitry Vyukov wrote:
> > > > I was fixing KASAN support for my sv48 patchset so I took a look at your
> >
On Tue, Feb 16, 2021 at 12:17 PM Dmitry Vyukov wrote:
>
> On Fri, Jan 29, 2021 at 9:11 AM Dmitry Vyukov wrote:
> > > I was fixing KASAN support for my sv48 patchset so I took a look at your
> > > issue: I built a kernel on top of the branch riscv/fixes using
> &g
On Fri, Jan 29, 2021 at 9:11 AM Dmitry Vyukov wrote:
> > I was fixing KASAN support for my sv48 patchset so I took a look at your
> > issue: I built a kernel on top of the branch riscv/fixes using
> > https://github.com/google/syzkaller/blob/269d24e857a757d09a898086a2fa6fa5
On Fri, Feb 12, 2021 at 5:10 PM Theodore Ts'o wrote:
>
> >From: Theodore Ts'o
>
> On Fri, Feb 12, 2021 at 12:01:51PM +0100, Dmitry Vyukov wrote:
> > > >
> > > > There is a reproducer for 4.19 available on the dashboard. Maybe it
> > > &g
On Fri, Feb 12, 2021 at 4:43 PM Michal Hocko wrote:
>
> On Fri 12-02-21 21:58:15, Tetsuo Handa wrote:
> > On 2021/02/12 21:30, Michal Hocko wrote:
> > > On Fri 12-02-21 12:22:07, Matthew Wilcox wrote:
> > >> On Fri, Feb 12, 2021 at 08:18:11PM +0900, Tetsuo Handa wrote:
> > >>> On 2021/02/12 1:41,
On Fri, Feb 12, 2021 at 2:31 PM George Kennedy
wrote:
> On 2/10/2021 4:51 PM, George Kennedy wrote:
> > On 2/3/2021 2:35 PM, Dmitry Vyukov wrote:
> >> On Wed, Feb 3, 2021 at 8:29 PM Konrad Rzeszutek Wilk
> >> wrote:
> >>> Hey Dmitry, Rafael, George, please
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