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 A8B442135CE for ; Mon, 7 Jul 2025 16:27:03 +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=1751905625; cv=none; b=sSaOllJzF1eMJ8spNkLReaCu0a92SOFWevd2NVAagYkemT/NIxbAyDmVsuPFwFMKwVl/qr6+YsJysAxzC4tp6cZ9QpYzZVvnyZ4njN91tY4O92oTO2bbcPUvaRhfvk/bbvpWSj6Hou19wfmRMlIMCV64xIq4WjtaI9Oye58UUwA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751905625; c=relaxed/simple; bh=tc7S7/eJ+4S+9/JAOptsRxuYDB7uxt0LSF1mHlb94MA=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=MUPWzhrqLlv3tgvk4KYqGwQFknXi24ak26VY0YgNCdoCAkPosG1F6tCDFcbbXRo2MJDafdHOFfTHSOex2Cgavc8aStTDDdH12v0Y+M+YRlwggfBegCTvASWZsjbUzygdcZc083IunA0uagIGGoIk7tUVb3pR4vHPykjznZuZTSM= 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-3e0574d6a99so39187535ab.3 for ; Mon, 07 Jul 2025 09:27:03 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1751905623; x=1752510423; 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=Xd4C3A0IQjFn8w25wCpwJKDvBmxbazZS3RQuLT16nfA=; b=THHGqC93ksN95MfXfGQFaCL7c4bjFcKS/F+NIcOmhCA2PWi+IE0t+H1QynYNmhsVEF ehtJ1Slw8sqz1upNC2lgc4pgeVlTc6dXw92FV2EYDTLVNS/WJO2SgFsuz4xifTkq3VOv nH6+lqubGedLK1TI2mLGGZvoFUeSwOvJ/JQEv7X3ST6Jtfg7yFuU7EFEvB/APmxMZo24 WmaPanygWTTIsXNsPtopXujl/uqixIb6tFRrGJUzdamzhCxnlk3xRm40ByyarzC7W94I H3Imv2viZfKTF+aTwF63JFFx2hNHuwe6QII2ybJwyePiObECqiM7AU1KuzXwScz2YYsU Ul9g== X-Forwarded-Encrypted: i=1; AJvYcCW8/Ri1YXqwMVwtcaSVp9htLhcG3rP3gKabxHI5SW6xqgECvBAXI784IIRiYfJbhXo/e77Hlob6kQ==@vger.kernel.org X-Gm-Message-State: AOJu0YyjtfOi5EbkQxM2t+YO6+MlHRiVlrVt6yHkmA5Krob81YSbCadI 6CShM2w3e5HW1LArWH4iP6wmrXg5pYFdcobnSZ8FGYd4tLGQtJiJZdWfY8wF8Fhdc/C2tNwbOMM 1HB0SoP3NWtH7DaBpNWURZZf42z2CfljwxxCbLYCcAFJVkjlWMjK5CVfe6EM= X-Google-Smtp-Source: AGHT+IHzzX7Mg4FWi1z+qau3zmFOwheiXBj8VZFTP5NPpqzbwVV1SNLfCRtgBd4ZnG2nf2LTtvp0fsLXmVTgqzJqinccbR/z9+l3 Precedence: bulk X-Mailing-List: io-uring@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1c2a:b0:3df:49fa:7af5 with SMTP id e9e14a558f8ab-3e153a55f96mr3025755ab.21.1751905622720; Mon, 07 Jul 2025 09:27:02 -0700 (PDT) Date: Mon, 07 Jul 2025 09:27:02 -0700 In-Reply-To: <6710d2a2.050a0220.d9b66.0189.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <686bf556.a70a0220.29fe6c.0b0e.GAE@google.com> Subject: Re: [syzbot] [fs?] INFO: task hung in do_coredump (3) From: syzbot To: anna-maria@linutronix.de, asml.silence@gmail.com, axboe@kernel.dk, brauner@kernel.org, frederic@kernel.org, gregkh@linuxfoundation.org, hdanton@sina.com, io-uring@vger.kernel.org, jack@suse.cz, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, luto@kernel.org, peterz@infradead.org, syzkaller-bugs@googlegroups.com, tglx@linutronix.de, tj@kernel.org, viro@zeniv.linux.org.uk Content-Type: text/plain; charset="UTF-8" syzbot has bisected this issue to: commit 2af89abda7d9c2aeb573677e2c498ddb09f8058a Author: Pavel Begunkov Date: Thu Aug 24 22:53:32 2023 +0000 io_uring: add option to remove SQ indirection bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=14ec9582580000 start commit: 05df91921da6 Merge tag 'v6.16-rc4-smb3-client-fixes' of gi.. git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=16ec9582580000 console output: https://syzkaller.appspot.com/x/log.txt?x=12ec9582580000 kernel config: https://syzkaller.appspot.com/x/.config?x=45bd916a213c79bb dashboard link: https://syzkaller.appspot.com/bug?extid=a8cdfe2d8ad35db3a7fd syz repro: https://syzkaller.appspot.com/x/repro.syz?x=11a2228c580000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=16d48bd4580000 Reported-by: syzbot+a8cdfe2d8ad35db3a7fd@syzkaller.appspotmail.com Fixes: 2af89abda7d9 ("io_uring: add option to remove SQ indirection") For information about bisection process see: https://goo.gl/tpsmEJ#bisection