Re: [syzbot] [net?] KASAN: slab-use-after-free Read in ptp_read

From: syzbot
Date: Sun Dec 10 2023 - 16:38:08 EST


syzbot suspects this issue was fixed by commit:

commit b714ca2ccf6a90733f6ceb14abb6ce914f8832c3
Author: Edward Adam Davis <eadavis@xxxxxx>
Date: Tue Nov 7 08:00:40 2023 +0000

ptp: ptp_read should not release queue

bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=10477d6ce80000
start commit: 4bbdb725a36b Merge tag 'iommu-updates-v6.7' of git://git.k..
git tree: upstream
kernel config: https://syzkaller.appspot.com/x/.config?x=beb32a598fd79db9
dashboard link: https://syzkaller.appspot.com/bug?extid=9704e6f099d952508943
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=17233388e80000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=17a3f898e80000

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

#syz fix: ptp: ptp_read should not release queue

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