发件人: Takashi Iwai
发送时间: 2020年8月3日 14:16
收件人: Zhang, Qiang
抄送: pe...@perex.cz; ti...@suse.com; alsa-de...@alsa-project.org;
linux-kernel@vger.kernel.org
主题: Re: 回复: [PATCH] ALSA: seq: KASAN: use-after-free Read in
delete_and_unsubscribe_port
On Mon, 03
On Mon, 03 Aug 2020 03:35:05 +0200,
Zhang, Qiang wrote:
>
> >Thanks for the patch. But I'm afraid that this change would break the
> >existing behavior and might have a bad side-effect.
>
> >It's likely the same issue as reported in another syzkaller report
> >("KASAN: invalid-free in snd_seq_po
发件人: Takashi Iwai
发送时间: 2020年8月1日 17:39
收件人: Zhang, Qiang
抄送: pe...@perex.cz; ti...@suse.com; alsa-de...@alsa-project.org;
linux-kernel@vger.kernel.org
主题: Re: [PATCH] ALSA: seq: KASAN: use-after-free Read in
delete_and_unsubscribe_port
On Sat, 01 Aug
On Sat, 01 Aug 2020 08:24:03 +0200,
wrote:
>
> From: Zhang Qiang
>
> There is a potential race window,when a task acquire "src->list_mutex"
> write sem,traverse the linked list to find "subs" objects through
> parameter "info" in snd_seq_port_disconnect and then release this
> write sem, before
From: Zhang Qiang
There is a potential race window,when a task acquire "src->list_mutex"
write sem,traverse the linked list to find "subs" objects through
parameter "info" in snd_seq_port_disconnect and then release this
write sem, before this task acquire write sem again,this write sem
may be ac
: use-after-free Read in delete_and_unsubscribe_port (2)
syzbot has found a reproducer for the following issue on:
HEAD commit:d3590ebf Merge tag 'audit-pr-20200729' of git://git.kernel..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=1207e0b8900
syzbot has found a reproducer for the following issue on:
HEAD commit:d3590ebf Merge tag 'audit-pr-20200729' of git://git.kernel..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=1207e0b890
kernel config: https://syzkaller.appspot.com/x/.config?x=812bbfc
Hello,
syzbot found the following crash on:
HEAD commit:7cc2a8ea Merge tag 'block-5.8-2020-07-01' of git://git.ker..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=11561e7b10
kernel config: https://syzkaller.appspot.com/x/.config?x=7be693511b29b338
das
Hello,
syzbot found the following crash on:
HEAD commit:8fe28cb58bcb Linux 4.20
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=166859b340
kernel config: https://syzkaller.appspot.com/x/.config?x=7d581260bae0899a
dashboard link: https://syzkaller.appsp
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