From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f197.google.com (mail-il1-f197.google.com [209.85.166.197]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9ED112194BC for ; Thu, 7 Nov 2024 21:00:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.197 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731013205; cv=none; b=cVnTmRAQCgnfrX97jHKP6+8b2C9xEwGldweL1FW/bJ++3BOYV96+AID2ezMyet8DzErQUc8li3/EGt9rOdSrflRWzL6sS7a27P0gwJLqegaynBiwjjh5sAX2kfYgW0TQEl4W4XWDrsKJ2kdOA5gxj3a0YKiAZCooD4oZcos4SuU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731013205; c=relaxed/simple; bh=evuAZfwARYeCSa2cm2Nesuv6RzOCU1uIBVESmfQXmVQ=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=URKp7KqFF7WytuQjYnn4fY9lX1Y5vz0yXi9rGZ0LO7yW5pWbqELYd/VDdz9dmzAXmy1eyT6ETSbHUTHfaCRF0CnjX+xtQSyetj/vqf1dbP3iTskW23JEIwl+u+ab8da1BHoFA7gfcQ5bXCYwc1N83EHVoVzarEOOfisti/dsWE4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.166.197 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-il1-f197.google.com with SMTP id e9e14a558f8ab-3a3b2aee1a3so15998545ab.1 for ; Thu, 07 Nov 2024 13:00:03 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1731013203; x=1731618003; h=to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=zTrEnJ1xflwqCs7uDGssRRRQgcKDE9FD9zPoC4Iw7Y4=; b=OEcK6Hcz5Hn54tWzaUJAWwfo26G/Z46ctX3e7+b9psUwynAslakrwR3IpLdoCzDRKn czYBnPF+6CPkO2H8yzk7QGpN95mME7raiWH8shKF+NSivFiG6R3uPoDxSyr5RCcIs0aM wSYywCWoZdFYfGukZUpeMYdg3BtHQCwDQbP4QBazi+nVTHxlI5W1iuAM09nquU4Kazgn u3ZnnbIPN+Jsug5izfT6AETiXYVG3S5CmAKGItRx/u/PCJceS0Yb0fhQFUmh4/NRHrKW wLDBAxaE/VBVasjgmMVUEoHK4YeDuo6yaQ/4Wm9trZIqoPF7y/BH19Q/H+B5j7Bd2zNm zmEA== X-Forwarded-Encrypted: i=1; AJvYcCVQcM219JsoU/uzcU1iQ1ZoUOU23XVOaIQcuvOYoNwTd7nR/zk1/++VDi8UlS0q3QwhRnk=@vger.kernel.org X-Gm-Message-State: AOJu0YwCsp8XR1tgqGyGeExPbb63Lh1N1UAI3NNTdmQ8egUst6rrXKiF C/VOu0DXagkZakiZUOaqD1cnA3kq0rEKInzt4POPO8r6cW4neBkvHfg7o41goBHaWzBSlEE1KJM hGU53Gu3xnOwASA7wEl0RG1BMq8X9ge5wcxNoDoj4FhU2PAIrUHJOGVk= X-Google-Smtp-Source: AGHT+IGrBL1U6cNT6RMq6kbV3aJN0roXyvrWF8AuSTpL3ICCq+J0m2t4mi8QINXdiS9OI26x/DXouMPb0CEyyz0ge6nm1QVBqTqi Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1d96:b0:3a4:db10:742d with SMTP id e9e14a558f8ab-3a6f19900cemr6935535ab.3.1731013202847; Thu, 07 Nov 2024 13:00:02 -0800 (PST) Date: Thu, 07 Nov 2024 13:00:02 -0800 In-Reply-To: <6723db4a.050a0220.35b515.0168.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <672d2a52.050a0220.15a23d.01a1.GAE@google.com> Subject: Re: [syzbot] [bpf?] WARNING: locking bug in trie_delete_elem From: syzbot To: andrii@kernel.org, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, eddyz87@gmail.com, frederic@kernel.org, haoluo@google.com, houtao@huaweicloud.com, john.fastabend@gmail.com, jolsa@kernel.org, kpsingh@kernel.org, linux-kernel@vger.kernel.org, martin.lau@linux.dev, peterz@infradead.org, sdf@fomichev.me, song@kernel.org, syzkaller-bugs@googlegroups.com, tglx@linutronix.de, yonghong.song@linux.dev Content-Type: text/plain; charset="UTF-8" syzbot has bisected this issue to: commit 4febce44cfebcb490b196d5d10ae9f403ca4c956 Author: Thomas Gleixner Date: Tue Oct 1 08:42:03 2024 +0000 posix-timers: Cure si_sys_private race bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=129f2d87980000 start commit: f9f24ca362a4 Add linux-next specific files for 20241031 git tree: linux-next console output: https://syzkaller.appspot.com/x/log.txt?x=169f2d87980000 kernel config: https://syzkaller.appspot.com/x/.config?x=328572ed4d152be9 dashboard link: https://syzkaller.appspot.com/bug?extid=b506de56cbbb63148c33 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1387655f980000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=11ac5540580000 Reported-by: syzbot+b506de56cbbb63148c33@syzkaller.appspotmail.com Fixes: 4febce44cfeb ("posix-timers: Cure si_sys_private race") For information about bisection process see: https://goo.gl/tpsmEJ#bisection