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From: syzbot <syzbot+6af973a3b8dfd2faefdc@syzkaller.appspotmail.com>
To: linux-kernel@vger.kernel.org
Subject: Re: [syzbot] Re: [syzbot] [block?] BUG: unable to handle kernel NULL pointer dereference in lo_rw_aio
Date: Thu, 24 Apr 2025 18:19:43 -0700	[thread overview]
Message-ID: <680ae32f.050a0220.317436.0051.GAE@google.com> (raw)
In-Reply-To: <680a45db.050a0220.10d98e.000a.GAE@google.com>

For archival purposes, forwarding an incoming command email to
linux-kernel@vger.kernel.org.

***

Subject: Re: [syzbot] [block?] BUG: unable to handle kernel NULL pointer dereference in lo_rw_aio
Author: lizhi.xu@windriver.com

selinux policy not support read_iter

#syz test

diff --git a/security/selinux/selinuxfs.c b/security/selinux/selinuxfs.c
index 47480eb2189b..e71936c6d82d 100644
--- a/security/selinux/selinuxfs.c
+++ b/security/selinux/selinuxfs.c
@@ -484,6 +484,7 @@ static int sel_mmap_policy(struct file *filp, struct vm_area_struct *vma)
 static const struct file_operations sel_policy_ops = {
 	.open		= sel_open_policy,
 	.read		= sel_read_policy,
+	.read_iter      = generic_file_read_iter,
 	.mmap		= sel_mmap_policy,
 	.release	= sel_release_policy,
 	.llseek		= generic_file_llseek,

  reply	other threads:[~2025-04-25  1:19 UTC|newest]

Thread overview: 42+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-04-24 14:08 syzbot
2025-04-25  1:19 ` syzbot [this message]
2025-04-25  1:55 ` [syzbot] " syzbot
2025-04-25  3:40 ` [PATCH] loop: Add sanity check for read/write_iter Lizhi Xu
2025-04-25  4:06   ` Zhu Yanjun
2025-04-25  4:19     ` Lizhi Xu
2025-04-25  4:20   ` Ming Lei
2025-04-25  4:33     ` Lizhi Xu
2025-04-25  5:38     ` [PATCH V2] " Lizhi Xu
2025-04-25 13:28       ` Christoph Hellwig
2025-04-26  1:50         ` Lizhi Xu
2025-04-28 12:46           ` Christoph Hellwig
2025-04-28 13:48             ` Lizhi Xu
2025-04-28 13:49               ` Christoph Hellwig
2025-04-26  2:10         ` [PATCH V3] " Lizhi Xu
2025-04-28 12:49           ` Christoph Hellwig
2025-04-28 13:42             ` Lizhi Xu
2025-04-28 13:48               ` Christoph Hellwig
2025-04-28 14:15                 ` [PATCH V4] " Lizhi Xu
2025-04-28 14:26                   ` Christoph Hellwig
2025-04-28 14:36                     ` [PATCH V5] " Lizhi Xu
2025-05-05 13:18                       ` Jens Axboe
2025-05-19 15:56                       ` Christian Hesse
2025-05-20  3:00                         ` Lizhi Xu
2025-05-20  5:39                           ` Christian Hesse
2025-05-20  6:29                             ` 回复: " Xu, Lizhi
2025-05-20  6:31                               ` Christian Hesse
2025-05-20  6:49                                 ` Xu, Lizhi
2025-05-20  6:46                               ` 回复: " hch
2025-05-20  6:59                                 ` 回复: " Xu, Lizhi
2025-05-20 11:28                                   ` hch
2025-05-20 11:39                                     ` 回复: " Xu, Lizhi
2025-05-20 11:41                                       ` hch
2025-05-20 11:44                                         ` 回复: " Xu, Lizhi
2025-05-20 11:52                                           ` Xu, Lizhi
2025-05-20 12:27                                 ` Xu, Lizhi
2025-05-20 12:46                                   ` Christian Hesse
2025-05-20 12:49                                     ` hch
2025-05-20 13:12                                       ` Xu, Lizhi
2025-05-20 16:53                                       ` christian
2025-05-20 12:46                                   ` hch
2025-04-25  4:54 ` [syzbot] Re: [syzbot] [block?] BUG: unable to handle kernel NULL pointer dereference in lo_rw_aio syzbot

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