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

On Fri, Mar 31, 2023 at 5:42 PM syzbot
[off-list ref] wrote:

syzbot suspects this issue was fixed by commit:

commit f038f3917baf04835ba2b7bcf2a04ac93fbf8a9c
Author: Jiasheng Jiang [off-list ref]
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:

No, the commit is unfortunately unrelated.

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

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

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