lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
Open Source and information security mailing list archives
| ||
|
Message-ID: <163471920135.1743.399816436682216881.kvalo@codeaurora.org> Date: Wed, 20 Oct 2021 08:40:11 +0000 (UTC) From: Kalle Valo <kvalo@...eaurora.org> To: Ziyang Xuan <william.xuanziyang@...wei.com> Cc: <amitkarwar@...il.com>, <siva8118@...il.com>, <davem@...emloft.net>, <kuba@...nel.org>, <linux-wireless@...r.kernel.org>, <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org> Subject: Re: [PATCH net] rsi: stop thread firstly in rsi_91x_init() error handling Ziyang Xuan <william.xuanziyang@...wei.com> wrote: > When fail to init coex module, free 'common' and 'adapter' directly, but > common->tx_thread which will access 'common' and 'adapter' is running at > the same time. That will trigger the UAF bug. > > ================================================================== > BUG: KASAN: use-after-free in rsi_tx_scheduler_thread+0x50f/0x520 [rsi_91x] > Read of size 8 at addr ffff8880076dc000 by task Tx-Thread/124777 > CPU: 0 PID: 124777 Comm: Tx-Thread Not tainted 5.15.0-rc5+ #19 > Call Trace: > dump_stack_lvl+0xe2/0x152 > print_address_description.constprop.0+0x21/0x140 > ? rsi_tx_scheduler_thread+0x50f/0x520 > kasan_report.cold+0x7f/0x11b > ? rsi_tx_scheduler_thread+0x50f/0x520 > rsi_tx_scheduler_thread+0x50f/0x520 > ... > > Freed by task 111873: > kasan_save_stack+0x1b/0x40 > kasan_set_track+0x1c/0x30 > kasan_set_free_info+0x20/0x30 > __kasan_slab_free+0x109/0x140 > kfree+0x117/0x4c0 > rsi_91x_init+0x741/0x8a0 [rsi_91x] > rsi_probe+0x9f/0x1750 [rsi_usb] > > Stop thread before free 'common' and 'adapter' to fix it. > > Fixes: 2108df3c4b18 ("rsi: add coex support") > Signed-off-by: Ziyang Xuan <william.xuanziyang@...wei.com> Patch applied to wireless-drivers-next.git, thanks. 515e7184bdf0 rsi: stop thread firstly in rsi_91x_init() error handling -- https://patchwork.kernel.org/project/linux-wireless/patch/20211015040335.1021546-1-william.xuanziyang@huawei.com/ https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
Powered by blists - more mailing lists