Re: [bug report] BUG: KASAN: use-after-free in bic_set_bfqq

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

To: Shinichiro Kawasaki <shinichiro.kawasaki@xxxxxxx>, Yu Kuai <yukuai1@xxxxxxxxxxxxxxx>
Subject: Re: [bug report] BUG: KASAN: use-after-free in bic_set_bfqq
From: Yu Kuai <yukuai1@xxxxxxxxxxxxxxx>
Date: Fri, 13 Jan 2023 09:11:17 +0800
Cc: "linux-block@xxxxxxxxxxxxxxx" <linux-block@xxxxxxxxxxxxxxx>, Paolo Valente <paolo.valente@xxxxxxxxxx>, Jan Kara <jack@xxxxxxx>, "yukuai (C)" <yukuai3@xxxxxxxxxx>
In-reply-to: <20230113010359.wdyndfb5cfxu6sut@shindev>
References: <20230112113833.6zkuoxshdcuctlnw@shindev> <6933fa2d-014c-8773-39d9-680ad9fca98c@huaweicloud.com> <3cbab38c-5b8d-131a-d80a-886a0febc692@huaweicloud.com> <20230112131836.vvbckhhefjp5bmgn@shindev> <20230113010359.wdyndfb5cfxu6sut@shindev>
User-agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0

Hi!

在 2023/01/13 9:04, Shinichiro Kawasaki 写道:

This second trial patch also avoided the KASAN uaf message. I repeated the
system boot and ssh login 6 times and did not observe the failure. Looks good.


Thanks for the feedback! I'll send a patch soon.

Kuai

References:
- [bug report] BUG: KASAN: use-after-free in bic_set_bfqq
  - From: Shinichiro Kawasaki
- Re: [bug report] BUG: KASAN: use-after-free in bic_set_bfqq
  - From: Yu Kuai
- Re: [bug report] BUG: KASAN: use-after-free in bic_set_bfqq
  - From: Yu Kuai
- Re: [bug report] BUG: KASAN: use-after-free in bic_set_bfqq
  - From: Shinichiro Kawasaki
- Re: [bug report] BUG: KASAN: use-after-free in bic_set_bfqq
  - From: Shinichiro Kawasaki

Prev by Date: Re: [PATCH v2 1/2] blk-iocost: add refcounting for iocg
Next by Date: Re: [PATCH v2 1/2] blk-iocost: add refcounting for iocg
Previous by thread: Re: [bug report] BUG: KASAN: use-after-free in bic_set_bfqq
Next by thread: Re: [bug report] BUG: KASAN: use-after-free in bic_set_bfqq
Index(es):
- Date
- Thread

[Index of Archives] [Linux RAID] [Linux SCSI] [Linux ATA RAID] [IDE] [Linux Wireless] [Linux Kernel] [ATH6KL] [Linux Bluetooth] [Linux Netdev] [Kernel Newbies] [Security] [Git] [Netfilter] [Bugtraq] [Yosemite News] [MIPS Linux] [ARM Linux] [Linux Security] [Device Mapper]