Re: [syzbot] [kernel?] possible deadlock in __hrtimer_run_queues (2)

syzbot
2024-06-07T02:51:03Z

syzbot suspects this issue was fixed by commit:

commit ff91059932401894e6c86341915615c5eb0eca48
Author: Jakub Sitnicki <jakub@cloudflare.com>
Date: Tue Apr 2 10:46:21 2024 +0000

bpf, sockmap: Prevent lock inversion deadlock in map delete elem

bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1169a80a980000
start commit: 61df575632d6 libbpf: Add new sec_def "sk_skb/verdict"
git tree: bpf-next
kernel config: https://syzkaller.appspot.com/x/.config?x=6fb1be60a193d440
dashboard link: https://syzkaller.appspot.com/bug?extid=bacb240dbeebb88518ae
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1793a2e6180000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=16c8dac9180000

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

#syz fix: bpf, sockmap: Prevent lock inversion deadlock in map delete elem

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