From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f200.google.com (mail-il1-f200.google.com [209.85.166.200]) (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 4CE2122617F for ; Mon, 5 May 2025 12:08:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.200 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746446887; cv=none; b=jYgbS8mFQ6UvNNiVcArsYST9MpgZuMMN+FvthhjJVtZM0ATmaPNdZY8ECApahSCmjQsJJVwnuM81LjJ6l4kZYPeW2BHzbiQEKa0af2pT3G5nrvJ4HUkkZJ2Iy+nAaF2MEmR6ppanPeIW0SsRKggBjtz7BX4iJYIi8o5z3gaxRcU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746446887; c=relaxed/simple; bh=DHwp8aDOJDlgugg90sJmF2XyZAUiP69pwzhuX3CPzYM=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=E9bdPU0Q6YV+sRsbAuMT4P7u/PxCrL2v14VcZnKBYSKdI2nz50A8eOmBwcrBgnNl8BmMYSBgbKVWKENRySn0oqWjZQdWDsnD1ga0hJJvBdzaJsOdrV2IKnNfE/9zQct3SXFSTgTLe4r8xq/R9SlfEDPjXtaWt5giTyRq4V/m1Oo= 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=209.85.166.200 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-f200.google.com with SMTP id e9e14a558f8ab-3d96514f29aso54196395ab.1 for ; Mon, 05 May 2025 05:08:06 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1746446885; x=1747051685; 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=vOyl3MaiaAtE/UsGWO9Ub0FNoaYpMHqSsINHLLvPVuY=; b=gM3eEDhLdh4EW7+SmjmHyNMgXUzq83ia/M8syO9u19IrCZ4CNMieapBKLHGGk6sPVl wWiuOObiVvy0jnAjqQlb6JDhLPbS+eZAKHg/cS96yUgm23bA07X4iqf+QD4ipOExBku5 B5h7WiPlRt4YVMPG1bGLiBqSRcdXz2AGE5WbSUkJw82z1lelXPOimIpdV4IlzWQrU4HC jHu9542X81dwL7MOO5dUkul4B03HA1mfUyhp0iFMDW5J1gg066uXmsKQVonRNMLo6ccw YFEAS4ViDit5ucQV9nDIdpFVu+SRfQb/Gmu24zQJOTTaRsSSNRnLMP08eBo2DffrCMHI j7Bg== X-Forwarded-Encrypted: i=1; AJvYcCXgOj8JFywy29GH0bxH6KVIHo7ryD9wjVPNJb7pGCx748Em92XLAwnhx73z49d8D1HaDWXGu7jVGTkwGoo=@vger.kernel.org X-Gm-Message-State: AOJu0YyBI98QmnKSgbcM/9h4xmF4cTK3QZxRNSm1R9793vcBaUNNEL1k C0RBmMhvZbbIuPgVT0FQqo+H2CEJGmt5HNXQ2Eu6fUyGHl16+viUupkrI47EWdpBUsnxE/D66+9 je7p9mPqUuhg6kM8YZ5IvX9xIOUCbSOscfaxxsl8yGlGDvrSAQnm1SoU= X-Google-Smtp-Source: AGHT+IHAK8haRRYfwkU6RoGcf8J9F0Vip/rN+oMOWgFiAju7v68UvjjYKW45uWvGfQWIfTnuIyKVyDOwQ3f/Q4nUcONsd26bsijG Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:5a5:b0:3d2:af0b:6e2a with SMTP id e9e14a558f8ab-3d970ad6a68mr132698725ab.5.1746446885382; Mon, 05 May 2025 05:08:05 -0700 (PDT) Date: Mon, 05 May 2025 05:08:05 -0700 In-Reply-To: <681732c5.050a0220.11da1b.002d.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6818aa25.a70a0220.254cdc.004f.GAE@google.com> Subject: Re: [syzbot] [net?] BUG: sleeping function called from invalid context in pcpu_alloc_noprof From: syzbot To: davem@davemloft.net, dsahern@kernel.org, edumazet@google.com, horms@kernel.org, kuba@kernel.org, kuniyu@amazon.com, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, pabeni@redhat.com, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" syzbot has bisected this issue to: commit 169fd62799e8acabbfb4760799be11138ced949c Author: Kuniyuki Iwashima Date: Fri Apr 18 00:03:56 2025 +0000 ipv6: Get rid of RTNL for SIOCADDRT and RTM_NEWROUTE. bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=169578d4580000 start commit: 836b313a14a3 ipv4: Honor "ignore_routes_with_linkdown" sys.. git tree: net-next final oops: https://syzkaller.appspot.com/x/report.txt?x=159578d4580000 console output: https://syzkaller.appspot.com/x/log.txt?x=119578d4580000 kernel config: https://syzkaller.appspot.com/x/.config?x=734b5f968169d82b dashboard link: https://syzkaller.appspot.com/bug?extid=bcc12d6799364500fbec syz repro: https://syzkaller.appspot.com/x/repro.syz?x=147be0f4580000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=127be0f4580000 Reported-by: syzbot+bcc12d6799364500fbec@syzkaller.appspotmail.com Fixes: 169fd62799e8 ("ipv6: Get rid of RTNL for SIOCADDRT and RTM_NEWROUTE.") For information about bisection process see: https://goo.gl/tpsmEJ#bisection