KASAN: use-after-free in sg_remove_request at addr ADDR (7)

KASAN: use-after-free in sg_remove_request at addr ADDR (7)
Status: closed as invalid on 2017/11/03 07:08
Reported-by: syzbot+@syzkaller.appspotmail.com
First crash: 1366d, last: 1365d

similar bugs (8):
Kernel	Title	Count	Last	Reported	Patched	Status
android-49	KASAN: use-after-free in sg_remove_request at addr ADDR (6)	1	1368d	1368d	0/3	closed as invalid on 2017/11/01 18:02
android-49	KASAN: use-after-free in sg_remove_request at addr ADDR (2)	3	1377d	1378d	0/3	closed as invalid on 2017/10/22 12:19
android-49	KASAN: use-after-free in sg_remove_request at addr ADDR (4)	3	1373d	1374d	0/3	closed as invalid on 2017/10/26 15:19
android-49	KASAN: use-after-free in sg_remove_request at addr ADDR (8)	1	1365d	1365d	0/3	closed as invalid on 2017/11/03 09:19
android-49	KASAN: use-after-free in sg_remove_request at addr ADDR (3)	1	1374d	1374d	0/3	closed as invalid on 2017/10/25 10:19
android-49	KASAN: use-after-free in sg_remove_request at addr ADDR (5)	6	1370d	1372d	0/3	closed as invalid on 2017/10/30 13:35
android-49	KASAN: use-after-free in sg_remove_request at addr ADDR	28	1382d	1401d	0/3	closed as invalid on 2017/10/18 09:51
android-49	KASAN: use-after-free in sg_remove_request at addr ADDR (9)	1	1350d	1350d	0/3	closed as invalid on 2017/11/18 16:19

Sample crash report:

binder: 25041:25048 ioctl 400454ca 2031b000 returned -22
SELinux: unrecognized netlink message: protocol=4 nlmsg_type=24 sclass=netlink_tcpdiag_socket pig=25039 comm=syz-executor2
==================================================================
BUG: KASAN: use-after-free in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801a82b8840
BUG: KASAN: use-after-free in list_empty include/linux/list.h:189 [inline] at addr ffff8801a82b8840
BUG: KASAN: use-after-free in sg_remove_request+0x103/0x120 drivers/scsi/sg.c:2120 at addr ffff8801a82b8840

Crashes (2):
Manager	Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Title
ci-android-49-kasan-gce	2017/11/03 04:47	https://android.googlesource.com/kernel/common android-4.9	b4ace31b1041	e930d6f6	.config	log	report
ci-android-49-kasan-gce	2017/11/02 15:00	https://android.googlesource.com/kernel/common android-4.9	6d1448131834	dab7524e	.config	log	report