linux-kernel - Re: [syzbot] [bpf?] possible deadlock in trie_delete

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Message-ID: <681c597f.050a0220.a19a9.00bd.GAE@google.com>
Date: Thu, 08 May 2025 00:13:03 -0700
From: syzbot <syzbot+9d95beb2a3c260622518@...kaller.appspotmail.com>
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Subject: Re: [syzbot] [bpf?] possible deadlock in trie_delete_elem

syzbot suspects this issue was fixed by commit:

commit 47979314c0fe245ed54306e2f91b3f819c7c0f9f
Author: Kumar Kartikeya Dwivedi <memxor@...il.com>
Date:   Sun Mar 16 04:05:37 2025 +0000

    bpf: Convert lpm_trie.c to rqspinlock

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=140598f4580000
start commit:   c2933b2befe2 Merge tag 'net-6.14-rc1' of git://git.kernel...
git tree:       net-next
kernel config:  https://syzkaller.appspot.com/x/.config?x=d033b14aeef39158
dashboard link: https://syzkaller.appspot.com/bug?extid=9d95beb2a3c260622518
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=108e1724580000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=177035f8580000

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

#syz fix: bpf: Convert lpm_trie.c to rqspinlock

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