linux-kernel - Re: [syzbot] [ide?] general protection fault in ata_msense

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Message-Id: <20240921112013.81961-1-aha310510@gmail.com>
Date: Sat, 21 Sep 2024 20:20:13 +0900
From: Jeongjun Park <aha310510@...il.com>
To: syzbot+37757dc11ee77ef850bb@...kaller.appspotmail.com
Cc: linux-kernel@...r.kernel.org,
	syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [ide?] general protection fault in ata_msense_control

#syz test git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master

---
 drivers/ata/libata-scsi.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
index 3328a6febc13..6f5527f12b0e 100644
--- a/drivers/ata/libata-scsi.c
+++ b/drivers/ata/libata-scsi.c
@@ -2442,7 +2442,9 @@ static unsigned int ata_scsiop_mode_sense(struct ata_scsi_args *args, u8 *rbuf)
 	if (spg) {
 		switch (spg) {
 		case ALL_SUB_MPAGES:
-			break;
+			if (dev->flags & ATA_DFLAG_CDL)
+				break;
+			fallthrough;
 		case CDL_T2A_SUB_MPAGE:
 		case CDL_T2B_SUB_MPAGE:
 		case ATA_FEATURE_SUB_MPAGE:
--