Re: KASAN: use-after-free Read in macvlan_dev_get_iflink

Hello, syzbot has tested the proposed patch but the reproducer is still triggering an issue: general protection fault in macvlan_get_link_net general protection fault, probably for non-canonical address 0xdcb3: [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x00

Re: KASAN: use-after-free Read in macvlan_dev_get_iflink

#syz test: https://github.com/congwang/linux.git net

Re: KASAN: use-after-free Read in macvlan_dev_get_iflink

syzbot has bisected this issue to: commit 1a33e10e4a95cb109ff1145098175df3113313ef Author: Cong Wang Date: Sun May 3 05:22:19 2020 + net: partially revert dynamic lockdep key changes bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=17663aef10 start commit: 1590a2e1 M

KASAN: use-after-free Read in macvlan_dev_get_iflink

Hello, syzbot found the following crash on: HEAD commit:1590a2e1 Merge tag 'acpi-5.8-rc3' of git://git.kernel.org/.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=1070059b10 kernel config: https://syzkaller.appspot.com/x/.config?x=20c907630cbdbe5 dash