* 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 via Linux-kernel-mentees
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
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^ 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 via Linux-kernel-mentees
0 siblings, 0 replies; 2+ messages in thread
From: Dmitry Vyukov via Linux-kernel-mentees @ 2021-08-30 8:39 UTC (permalink / raw)
To: syzbot
Cc: anant.thazhemadam, mani, butterflyhuangxx, linux-arm-msm,
manivannan.sadhasivam, syzkaller-bugs, hdanton, bjorn.andersson,
netdev, dragonjetli, kuba, masahiroy, linux-kernel-mentees,
davem, linux-kernel
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?
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