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* Re: [syzbot] WARNING: refcount bug in qrtr_node_lookup
       [not found] <000000000000b575ab05aebfc192@google.com>
@ 2021-08-28 18:32 ` syzbot
  2021-08-30  8:39   ` Dmitry Vyukov
  0 siblings, 1 reply; 2+ messages in thread
From: syzbot @ 2021-08-28 18:32 UTC (permalink / raw)
  To: anant.thazhemadam, bjorn.andersson, butterflyhuangxx, davem,
	dragonjetli, hdanton, kuba, linux-arm-msm, linux-kernel-mentees,
	linux-kernel, mani, manivannan.sadhasivam, masahiroy, netdev,
	syzkaller-bugs

syzbot suspects this issue was fixed by commit:

commit 7e78c597c3ebfd0cb329aa09a838734147e4f117
Author: Xiaolong Huang <butterflyhuangxx@gmail.com>
Date:   Thu Aug 19 19:50:34 2021 +0000

    net: qrtr: fix another OOB Read in qrtr_endpoint_post

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=11279a4d300000
start commit:   ba4f184e126b Linux 5.9-rc6
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=af502ec9a451c9fc
dashboard link: https://syzkaller.appspot.com/bug?extid=c613e88b3093ebf3686e
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=12263dd9900000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=13d77603900000

If the result looks correct, please mark the issue as fixed by replying with:

#syz fix: net: qrtr: fix another OOB Read in qrtr_endpoint_post

For information about bisection process see: https://goo.gl/tpsmEJ#bisection

^ permalink raw reply	[flat|nested] 2+ messages in thread

* Re: [syzbot] WARNING: refcount bug in qrtr_node_lookup
  2021-08-28 18:32 ` [syzbot] WARNING: refcount bug in qrtr_node_lookup syzbot
@ 2021-08-30  8:39   ` Dmitry Vyukov
  0 siblings, 0 replies; 2+ messages in thread
From: Dmitry Vyukov @ 2021-08-30  8:39 UTC (permalink / raw)
  To: syzbot
  Cc: anant.thazhemadam, bjorn.andersson, butterflyhuangxx, davem,
	dragonjetli, hdanton, kuba, linux-arm-msm, linux-kernel-mentees,
	linux-kernel, mani, manivannan.sadhasivam, masahiroy, netdev,
	syzkaller-bugs

On Sat, 28 Aug 2021 at 20:32, syzbot
<syzbot+c613e88b3093ebf3686e@syzkaller.appspotmail.com> wrote:
>
> syzbot suspects this issue was fixed by commit:
>
> commit 7e78c597c3ebfd0cb329aa09a838734147e4f117
> Author: Xiaolong Huang <butterflyhuangxx@gmail.com>
> Date:   Thu Aug 19 19:50:34 2021 +0000
>
>     net: qrtr: fix another OOB Read in qrtr_endpoint_post
>
> bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=11279a4d300000
> start commit:   ba4f184e126b Linux 5.9-rc6
> git tree:       upstream
> kernel config:  https://syzkaller.appspot.com/x/.config?x=af502ec9a451c9fc
> dashboard link: https://syzkaller.appspot.com/bug?extid=c613e88b3093ebf3686e
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=12263dd9900000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=13d77603900000
>
> If the result looks correct, please mark the issue as fixed by replying with:
>
> #syz fix: net: qrtr: fix another OOB Read in qrtr_endpoint_post
>
> For information about bisection process see: https://goo.gl/tpsmEJ#bisection

Hi Hillf,

You posted some patch related to refcounts. Do you think "net: qrtr:
fix another OOB Read in qrtr_endpoint_post" is a plausible fix? Or is
there still something wrong with refcounts?

^ permalink raw reply	[flat|nested] 2+ messages in thread

end of thread, other threads:[~2021-08-30  8:39 UTC | newest]

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2021-08-28 18:32 ` [syzbot] WARNING: refcount bug in qrtr_node_lookup syzbot
2021-08-30  8:39   ` Dmitry Vyukov

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