syzbot

 sign-in | mailing list | source | docs
🐞 Open [196]
🐞 Fixed [42]
🐞 Invalid [470]
≡ Crashes
Kernel Health Bugs/Month Bug Lifetimes Fuzzing
💬 Send us feedback

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

Status: closed as invalid on 2017/11/03 07:08
First crash: 2576d, last: 2575d
▶ ▼ Similar bugs (8)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-49 KASAN: use-after-free in sg_remove_request at addr ADDR (6) 1 2578d 2578d 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 2587d 2588d 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 2583d 2583d 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 2575d 2575d 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 2584d 2584d 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 2579d 2581d 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 2592d 2611d 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 2560d 2560d 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):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2017/11/03 04:47 https://android.googlesource.com/kernel/common android-4.9 b4ace31b1041 e930d6f6 .config console log report ci-android-49-kasan-gce
2017/11/02 15:00 https://android.googlesource.com/kernel/common android-4.9 6d1448131834 dab7524e .config console log report ci-android-49-kasan-gce
* Struck through repros no longer work on HEAD.