syzbot


KASAN: use-after-free Read in vlan_dev_get_iflink
Status: upstream: reported C repro on 2020/04/13 08:02
Reported-by: syzbot+7a5cf69ec079d962792f@syzkaller.appspotmail.com
First crash: 595d, last: 45d

Fix bisection: failed (bisect log)
similar bugs (2):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.14 KASAN: use-after-free Read in vlan_dev_get_iflink C 12 21d 582d 0/1 upstream: reported C repro on 2020/04/25 21:56
upstream KASAN: use-after-free Read in vlan_dev_get_iflink C error error 13 324d 493d 0/22 upstream: reported C repro on 2020/07/23 18:12

Sample crash report:

Crashes (14):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-linux-4-19 2020/08/08 10:01 linux-4.19.y 961f830af065 ff51e522 .config log report syz C
ci2-linux-4-19 2020/07/21 01:22 linux-4.19.y 17a87580a885 8caeeeb7 .config log report syz C
ci2-linux-4-19 2021/08/16 05:00 linux-4.19.y 59456c9cc40c 2489ab88 .config log report info KASAN: use-after-free Read in vlan_dev_get_iflink
ci2-linux-4-19 2021/07/14 14:22 linux-4.19.y fcfbdfe9626e 94e0b707 .config log report info KASAN: use-after-free Read in vlan_dev_get_iflink
ci2-linux-4-19 2021/04/23 10:57 linux-4.19.y 2965db2e004c 590921a5 .config log report info KASAN: use-after-free Read in vlan_dev_get_iflink
ci2-linux-4-19 2021/03/05 08:53 linux-4.19.y dfb571610ba3 9d751681 .config log report info KASAN: use-after-free Read in vlan_dev_get_iflink
ci2-linux-4-19 2021/01/16 07:37 linux-4.19.y 675cc038067f 65a7a854 .config log report info
ci2-linux-4-19 2020/10/31 19:01 linux-4.19.y f5d8eef067ac 8bc4594f .config log report info
ci2-linux-4-19 2020/09/25 15:18 linux-4.19.y d09b80172c22 4a006f63 .config log report info
ci2-linux-4-19 2020/08/25 20:22 linux-4.19.y d18b78abc0c6 344da168 .config log report
ci2-linux-4-19 2020/08/24 15:48 linux-4.19.y d18b78abc0c6 67b599d1 .config log report
ci2-linux-4-19 2020/08/20 01:29 linux-4.19.y a834132bd465 ed282a3a .config log report
ci2-linux-4-19 2020/07/21 00:06 linux-4.19.y 17a87580a885 8caeeeb7 .config log report
ci2-linux-4-19 2020/04/13 08:01 linux-4.19.y dda0e2920330 17a986e5 .config log report