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From: Edward Adam Davis <eadavis@qq.com>
To: syzbot+0192952caa411a3be209@syzkaller.appspotmail.com
Cc: linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com
Subject: Re: [syzbot] [media?] BUG: corrupted list in az6007_i2c_xfer
Date: Mon, 21 Apr 2025 21:43:57 +0800	[thread overview]
Message-ID: <tencent_D8747F769166163CDB36A697FE36984AB009@qq.com> (raw)
In-Reply-To: <6805a24c.050a0220.4e547.000b.GAE@google.com>

#syz test

diff --git a/drivers/media/usb/dvb-usb-v2/az6007.c b/drivers/media/usb/dvb-usb-v2/az6007.c
index 65ef045b74ca..15d2fe477fcc 100644
--- a/drivers/media/usb/dvb-usb-v2/az6007.c
+++ b/drivers/media/usb/dvb-usb-v2/az6007.c
@@ -806,7 +806,7 @@ static int az6007_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msgs[],
 			if (az6007_xfer_debug)
 				printk(KERN_DEBUG "az6007: I2C R addr=0x%x len=%d\n",
 				       addr, msgs[i].len);
-			if (msgs[i].len < 1) {
+			if (msgs[i].len < 1 || msgs[i].len > 4091) {
 				ret = -EIO;
 				goto err;
 			}


  parent reply	other threads:[~2025-04-21 13:49 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-04-21  1:41 syzbot
2025-04-21 13:40 ` syz test Arnaud Lecomte
2025-04-21 13:44   ` [syzbot] [media?] BUG: corrupted list in az6007_i2c_xfer syzbot
2025-04-21 13:43 ` Edward Adam Davis [this message]
2025-04-21 14:25   ` syzbot
2025-04-21 13:46 ` syz test Arnaud Lecomte
2025-04-21 14:58   ` [syzbot] [media?] BUG: corrupted list in az6007_i2c_xfer syzbot
2025-04-21 14:22 ` syz test Arnaud Lecomte
2025-04-21 16:12   ` [syzbot] [media?] BUG: corrupted list in az6007_i2c_xfer syzbot
2025-04-21 14:31 ` [PATCH] media: az6007: Add upper bound check to the data of device state Edward Adam Davis
2025-04-21 15:11   ` Arnaud Lecomte
2025-11-03 10:06   ` Hans Verkuil
2025-09-05 14:25 ` [syzbot] [media?] BUG: corrupted list in az6007_i2c_xfer Jeongjun Park
2025-09-05 15:53   ` syzbot
2025-09-05 16:06 ` Jeongjun Park
2025-09-05 16:48   ` syzbot
2025-09-06  2:58 ` Jeongjun Park
2025-09-06  3:16   ` syzbot
2025-09-06  3:32 ` Jeongjun Park
2025-09-06  4:12   ` syzbot
2025-09-06  4:56 ` Jeongjun Park
2025-09-06  5:54   ` syzbot
2025-09-06 10:04 ` Jeongjun Park
2025-09-06 10:24   ` syzbot
2025-09-06 10:56 ` Jeongjun Park
2025-09-06 12:28   ` syzbot
2025-09-06 15:24 ` Jeongjun Park
2025-09-06 16:09   ` syzbot
2025-09-06 16:40 ` Jeongjun Park
2025-09-06 17:21   ` syzbot
2025-09-07  8:26 ` Jeongjun Park
2025-09-07  9:56   ` syzbot
2025-09-07 10:05 ` Jeongjun Park
2025-09-07 10:30   ` syzbot

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