From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f198.google.com (mail-il1-f198.google.com [209.85.166.198]) (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 F2480158A11 for ; Fri, 3 May 2024 19:58:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.198 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1714766287; cv=none; b=pZ6W4uSB4YpO3iiIHSOW8sL4SutK9pOrjmpDmH7e0UBM05CnrLIspJplqZpOZMNsgj7yY31lxzW4/E+3A/6u8C2okvnAz0VqXijU8f+DXeMByqFUWsmjwbUU1Cgm5TRGvJ6CBpoi8MVEKbBp/4A6esJuOrrtxciccYfAbPKtQJg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1714766287; c=relaxed/simple; bh=GxOghFVCZOu1BSfEKDJHdFXujzxM0Vhi46jNlkXNViI=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=BdYUY7uVstJMo52McjZW/4HhywUgjcq8ybKYqdjbm4F5WmqgXrR7AauhGnl0kf05qv+uHRnof60yJF2H53ZyWx5tfpLiHAs8Xx3013tjOq82Powpg9yZ5tBEAdnK5g8msmym25vcAm1hi2DDLAIh/NEWXLvybCo/KphMy2kjDh8= 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=209.85.166.198 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-f198.google.com with SMTP id e9e14a558f8ab-36c5ec76c08so471925ab.2 for ; Fri, 03 May 2024 12:58:05 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1714766285; x=1715371085; 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=pwVY/fyH1gQuGakUUTvfCy/Q1T0f0xT1xNncswAUms0=; b=JDdZFjj22IZbXuOgyQuo7ov0/Qq+Kra+TQFX/S5YTvWnUXyN+jBmoE6R02shYZotps TZhVphhNuUI/+6ntd3aSj31W8C6JWZt+hJ7CfCi/TVxnyP3hD2+Z220JiKmcc+i1xV3n IpwOpkPtshlLGK1robc2h4VM1ZAF8SdQLBO+pHxnBy3S1NbgFq/sJgS7rk7CnZKbvPzT QdRhI+UaPZyhKCzOBeWubUkFC4CB00vrsxCeJknhXLf78pEz33ZmGHLmec7uJop9gN5m duKde0v4VbAyjknjmb0w7DrpJ/VuGfPGpm0zVdPeCcCt5jT+EiJRo9f0cGLhpkeoD04o PZUA== X-Forwarded-Encrypted: i=1; AJvYcCWTvqmIKJ+AOhIATL/anmt9F/e9P+/44Q3jLqSAZhTahuTJl418O7TyzcL9hMza1NtuEW4SXnXUNlSAyXkIL6pIXNE/8+09785eQ32WcQ== X-Gm-Message-State: AOJu0Ywiuui2ctXVbB7GlKcDPJG0alswOJ/RWa6Nn9pedjQ4vatOYyrS uuq0ZPdyqTyqCg7rbLoK0RReErE+ASynSkdE4CQkU12nUIiCNCsYUWulMxF84g/tvZp5w/lkv7K bB/zRd/xddwdvCjpmx8I1BhHghoGcjWNwT+UTD6cdjXKnRRAx9/VkLB8= X-Google-Smtp-Source: AGHT+IFsKhYlfy6o3M/ol0YgBhmeqITegGAPVwX3qSt2L72wwyPU5neB1NYYig825a03FvrKiVlSZ/AuOfzjIlZAaX292wXvouR3 Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:218d:b0:36c:307b:7f08 with SMTP id j13-20020a056e02218d00b0036c307b7f08mr196694ila.0.1714766283713; Fri, 03 May 2024 12:58:03 -0700 (PDT) Date: Fri, 03 May 2024 12:58:03 -0700 In-Reply-To: <00000000000022a23c061604edb3@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000036c3d90617922353@google.com> Subject: Re: [syzbot] [kasan?] [mm?] INFO: rcu detected stall in __run_timer_base From: syzbot To: akpm@linux-foundation.org, brauner@kernel.org, davem@davemloft.net, dvyukov@google.com, elver@google.com, glider@google.com, hdanton@sina.com, jhs@mojatatu.com, kasan-dev@googlegroups.com, keescook@chromium.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, luyun@kylinos.cn, netdev@vger.kernel.org, pctammela@mojatatu.com, syzkaller-bugs@googlegroups.com, victor@mojatatu.com, viro@zeniv.linux.org.uk, vladimir.oltean@nxp.com Content-Type: text/plain; charset="UTF-8" syzbot has bisected this issue to: commit da71714e359b64bd7aab3bd56ec53f307f058133 Author: Jamal Hadi Salim Date: Tue Aug 22 10:12:31 2023 +0000 net/sched: fix a qdisc modification with ambiguous command request bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=13b9b317180000 start commit: fe46a7dd189e Merge tag 'sound-6.9-rc1' of git://git.kernel.. git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=1079b317180000 console output: https://syzkaller.appspot.com/x/log.txt?x=17b9b317180000 kernel config: https://syzkaller.appspot.com/x/.config?x=fe78468a74fdc3b7 dashboard link: https://syzkaller.appspot.com/bug?extid=1acbadd9f48eeeacda29 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=16435913180000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=111600cb180000 Reported-by: syzbot+1acbadd9f48eeeacda29@syzkaller.appspotmail.com Fixes: da71714e359b ("net/sched: fix a qdisc modification with ambiguous command request") For information about bisection process see: https://goo.gl/tpsmEJ#bisection