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: <167036049593.156498.14515627082959738584.b4-ty@mit.edu> Date: Tue, 6 Dec 2022 16:01:49 -0500 From: "Theodore Ts'o" <tytso@....edu> To: Baokun Li <libaokun1@...wei.com>, linux-ext4@...r.kernel.org Cc: "Theodore Ts'o" <tytso@....edu>, linux-kernel@...r.kernel.org, ritesh.list@...il.com, yi.zhang@...wei.com, adilger.kernel@...ger.ca, yukuai3@...wei.com, jack@...e.cz Subject: Re: [PATCH] ext4: fix use-after-free in ext4_orphan_cleanup On Wed, 2 Nov 2022 16:06:33 +0800, Baokun Li wrote: > I caught a issue as follows: > ================================================================== > BUG: KASAN: use-after-free in __list_add_valid+0x28/0x1a0 > Read of size 8 at addr ffff88814b13f378 by task mount/710 > > CPU: 1 PID: 710 Comm: mount Not tainted 6.1.0-rc3-next #370 > Call Trace: > <TASK> > dump_stack_lvl+0x73/0x9f > print_report+0x25d/0x759 > kasan_report+0xc0/0x120 > __asan_load8+0x99/0x140 > __list_add_valid+0x28/0x1a0 > ext4_orphan_cleanup+0x564/0x9d0 [ext4] > __ext4_fill_super+0x48e2/0x5300 [ext4] > ext4_fill_super+0x19f/0x3a0 [ext4] > get_tree_bdev+0x27b/0x450 > ext4_get_tree+0x19/0x30 [ext4] > vfs_get_tree+0x49/0x150 > path_mount+0xaae/0x1350 > do_mount+0xe2/0x110 > __x64_sys_mount+0xf0/0x190 > do_syscall_64+0x35/0x80 > entry_SYSCALL_64_after_hwframe+0x63/0xcd > </TASK> > [...] > ================================================================== > > [...] Applied, thanks! [1/1] ext4: fix use-after-free in ext4_orphan_cleanup commit: ad7ab3c3f740ce379e230d28c6aa8f9550182841 Best regards, -- Theodore Ts'o <tytso@....edu>
Powered by blists - more mailing lists