syzbot


KASAN: use-after-free Read in __queue_work
Status: upstream: reported syz repro on 2020/08/03 04:16
Reported-by: syzbot+cc2c0bfd39eb9c4f3998@syzkaller.appspotmail.com
First crash: 282d, last: 23h17m
similar bugs (5):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-49 KASAN: use-after-free Read in __queue_work C 19 999d 761d 0/3 public: reported C repro on 2019/04/13 00:00
linux-4.14 KASAN: use-after-free Read in __queue_work syz 4 29d 282d 0/1 upstream: reported syz repro on 2020/08/03 15:06
upstream KASAN: use-after-free Read in __queue_work syz 2 1329d 1293d 0/22 closed as invalid on 2017/10/27 09:34
upstream KASAN: use-after-free Read in __queue_work (3) syz done 3 30d 277d 0/22 upstream: reported syz repro on 2020/08/08 21:27
upstream KASAN: use-after-free Read in __queue_work (2) C done done 577 685d 1039d 16/22 fixed on 2020/01/08 01:07

Sample crash report:

Fix bisection attempts:
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-linux-4-19 2021/05/12 03:57 linux-4.19.y 3c8c2309 a52ee10a .config log report syz
ci2-linux-4-19 2021/04/12 03:24 linux-4.19.y 830a059c a52ee10a .config log report syz
ci2-linux-4-19 2021/03/13 02:22 linux-4.19.y 030194a5 a52ee10a .config log report syz
ci2-linux-4-19 2020/12/21 05:16 linux-4.19.y 13d2ce42 02034dac .config log report syz
ci2-linux-4-19 2020/11/21 04:50 linux-4.19.y 2c746135 02034dac .config log report syz
ci2-linux-4-19 2020/10/21 04:18 linux-4.19.y ad326970 02034dac .config log report syz
ci2-linux-4-19 2020/09/21 03:50 linux-4.19.y 015e94d0 02034dac .config log report syz
Crashes (5):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-linux-4-19 2021/02/11 01:48 linux-4.19.y 811218ec a52ee10a .config log report syz KASAN: use-after-free Read in __queue_work
ci2-linux-4-19 2020/08/05 06:46 linux-4.19.y 13af6c74 02034dac .config log report syz
ci2-linux-4-19 2020/08/03 04:15 linux-4.19.y 13af6c74 96dd3623 .config log report syz
ci2-linux-4-19 2021/01/04 15:49 linux-4.19.y 3207316b 79264ae3 .config log report info
ci2-linux-4-19 2020/08/22 03:25 linux-4.19.y d18b78ab 6436ce4b .config log report