Re: [syzbot] [block?] KASAN: use-after-free Read in netdev_core_pick_tx

From: syzbot
Date: Fri Mar 31 2023 - 11:42:27 EST


syzbot suspects this issue was fixed by commit:

commit f038f3917baf04835ba2b7bcf2a04ac93fbf8a9c
Author: Jiasheng Jiang <jiasheng@xxxxxxxxxxx>
Date: Fri Mar 17 06:43:37 2023 +0000

octeontx2-vf: Add missing free for alloc_percpu

bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=133a3d2ec80000
start commit: 42226c989789 Linux 5.18-rc7
git tree: upstream
kernel config: https://syzkaller.appspot.com/x/.config?x=d84df8e1a4c4d5a4
dashboard link: https://syzkaller.appspot.com/bug?extid=10a7a8ca6e94600110ec
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=11ed1369f00000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=166b22cef00000

If the result looks correct, please mark the issue as fixed by replying with:

#syz fix: octeontx2-vf: Add missing free for alloc_percpu

For information about bisection process see: https://goo.gl/tpsmEJ#bisection