From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f199.google.com (mail-il1-f199.google.com [209.85.166.199]) (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 C0AD313E048 for ; Thu, 6 Jun 2024 13:40:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.199 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717681206; cv=none; b=sde/zPXmEBPf/JxBw0bR5Y67POUcfQYhV3LIDZL1vwquQ2sRLcgySyjNCauO5Ug6+STqWa+AFbgoDG0PEB/478TIep0/QAh8Swa/MFDGDnmWR+IEnEMRBzrhMGmIN0Oqjuc2orLdZmjB2Y0hd1Bbx1WUXW7ixVVPquHZzehVXEk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717681206; c=relaxed/simple; bh=+jgM5CPyogfcEJrhCxPlKepwh4WfCrs8Er9aArjULcA=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=nfuYE5kqeWsS5OJ26wPkjlqF9uMn/UcDqQZldQkKTMWQhwBia1LYgoMEDC5Cta8lkZHAOl7aN839JCCGwEWqjIGuH008WB37BguC1kHRnS452f1lVx1Hgsh/BSBzrN/jChBVWcfXiQ9/mULNLJxN/cgH0mMzEGGxp7uIsWRsTWI= 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=209.85.166.199 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-f199.google.com with SMTP id e9e14a558f8ab-374b3e81d6dso9730225ab.3 for ; Thu, 06 Jun 2024 06:40:04 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1717681204; x=1718286004; 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=3uU+ESHl/ns52zXGCjciN4nv5yLfnC4wyWdqvwN+Src=; b=wuWa1P4u9LOSkIoEmWjmVUrX2pWcvScMlfZqzQo0rkbSte2FdP2M2akdyoek0UcUXu 8Q/Jknn39pHsu7YO/tT/LhAJIxKg4o3RDJPDS1/aNUBHULBhF5O0Q7QuultdVcXwUazN GR4IA1PItM5J23uUIpX8GLcQ44qI8NkPem86k1AqsXs52t6Cc1C5FWIx7XLGeMASAY2F 3z60OT6fUKAX0B3qCnrt4Rm9w7wL4yA5ZiuQQATSnhbf87VP7CzQy/D78aEiTiS5Q5Al 4qNfG2L5PLqTO8WpMkfJhCg/973cK4w/tX68rz1qlYwSyjcd2h8Mz+BSTCJkERBZjGIC seKA== X-Gm-Message-State: AOJu0YzR+gEXmWUSMXc1y8T26LdSzZ74s+H3rlfSUY0dT1viftyatvDp lz8kkQLVWxwxehPb67jcH0+PmUbs/ySya74d04trh/q68F7NHBcGlBV+TfEC1pCB41WvqrWysap N9iJ7ebb0ey9mw04edJNnUT/Aa5038QuqkmeMkr4xy830tDI1NpSI1wU= X-Google-Smtp-Source: AGHT+IH04OQPT7XiRcP+WS1C8mSn20WP/x+88ODvxVnbLLOwORA5DN3XBWaY14Ni0sdYxbXr80N/7OVGEAUfRd0tyhZuVo+7QAJb Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:170b:b0:374:b18b:5214 with SMTP id e9e14a558f8ab-374b1f65ff4mr3644115ab.4.1717681204104; Thu, 06 Jun 2024 06:40:04 -0700 (PDT) Date: Thu, 06 Jun 2024 06:40:04 -0700 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000000224a7061a38d24e@google.com> Subject: Re: [syzbot] [bpf?] possible deadlock in trie_delete_elem From: syzbot To: linux-kernel@vger.kernel.org, norbert.kaminski@infogain.com, syzkaller-bugs@googlegroups.com, wojciech.gladysz@infogain.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot tried to test the proposed patch but the build/boot failed: failed to apply patch: checking file kernel/trace/bpf_trace.c patch: **** malformed patch at line 7: diff --git a/kernel/tracepoint.c b/kernel/tracepoint.c Tested on: commit: e377d803 kernel/trace: fix possible deadlock in trie_d.. git tree: https://linux.googlesource.com/linux/kernel/git/torvalds/linux kernel config: https://syzkaller.appspot.com/x/.config?x=9d7ea7de0cb32587 dashboard link: https://syzkaller.appspot.com/bug?extid=9d95beb2a3c260622518 compiler: patch: https://syzkaller.appspot.com/x/patch.diff?x=10d9f026980000