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KASAN: use-after-free in sg_remove_request at addr ADDR (2)

Status: closed as invalid on 2017/10/22 12:19
First crash: 2957d, last: 2956d
▶ ▼ Similar bugs (8)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-49 KASAN: use-after-free in sg_remove_request at addr ADDR (6) 19 1 2947d 2947d 0/3 closed as invalid on 2017/11/01 18:02
android-49 KASAN: use-after-free in sg_remove_request at addr ADDR (4) 19 3 2952d 2952d 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) 19 1 2944d 2944d 0/3 closed as invalid on 2017/11/03 09:19
android-49 KASAN: use-after-free in sg_remove_request at addr ADDR (7) 19 2 2944d 2944d 0/3 closed as invalid on 2017/11/03 07:08
android-49 KASAN: use-after-free in sg_remove_request at addr ADDR (3) 19 1 2953d 2953d 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) 19 6 2948d 2950d 0/3 closed as invalid on 2017/10/30 13:35
android-49 KASAN: use-after-free in sg_remove_request at addr ADDR 19 28 2961d 2980d 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) 19 1 2929d 2929d 0/3 closed as invalid on 2017/11/18 16:19

Sample crash report:
IPVS: Creating netns size=2536 id=43
netlink: 13 bytes leftover after parsing attributes in process `syz-executor5'.
==================================================================
BUG: KASAN: use-after-free in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801cccc9c40
BUG: KASAN: use-after-free in list_empty include/linux/list.h:189 [inline] at addr ffff8801cccc9c40
BUG: KASAN: use-after-free in sg_remove_request+0x103/0x120 drivers/scsi/sg.c:2120 at addr ffff8801cccc9c40

Crashes (3):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2017/10/22 11:11 https://android.googlesource.com/kernel/common android-4.9 9eaaf14c7829 ab829b1b .config console log report ci-android-49-kasan-gce
2017/10/22 09:04 https://android.googlesource.com/kernel/common android-4.9 9eaaf14c7829 ab829b1b .config console log report ci-android-49-kasan-gce
2017/10/21 07:21 https://android.googlesource.com/kernel/common android-4.9 9eaaf14c7829 ab829b1b .config console log report ci-android-49-kasan-gce
* Struck through repros no longer work on HEAD.