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 33B54253F07 for ; Sat, 29 Nov 2025 19:05:40 +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=1764443141; cv=none; b=I6gG1QXyMG73wNdlRnhzZJYT0TU22tc4UFtbNMydhyYuuywj3ZlGdb4kzF9wZy9/WUiwjnmFeotd1wEvQahjSskwevhd0LGCbP6IIGZoSAgyrZnT2w1KBmRHN6c29P0JQtoi4tgqPZbMgKhum72NnrGzxriPBm8xIEgwMWBDKVM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764443141; c=relaxed/simple; bh=4Plgm8CS7BUNJ+7oKCv+C/cFEwKHY618XTWx6oyzpRA=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To:Cc: Content-Type; b=Rjky2S+rH7HV8aNLn6fAx+g+vgZcWca4dGxeHAKs0CBVIMwNe+EUzBFgYz10M+IyHxSndKbBSB2ctUtljTktyBl/DdMUTS1oaD5HMRiWYjXKfjgDlt1OZOv5W1DD3I7TxJyi+4uRDOhW3tz/fTMNTRscEf06VhPHvX1jBMyTPRM= 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-43470d72247so19246255ab.3 for ; Sat, 29 Nov 2025 11:05:40 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1764443139; x=1765047939; h=cc: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=RFV2klhvX3KdWbx6MtBUgp5ytbVcmrA40AYH/DdVb0s=; b=W0b10xYyZtVNr2c5nH+VJ2BQOl7swXPSBtM5DjeqgeSnPvdg8CbMrj4OYhTgQxw+h+ CnZUcZl58Y4hS4oFAPYk4FljHZ1cKuyMi1BXud9hzPz//1xuOj2MEiFHh7WlKJdf4Whv b294fH8WS7KM+r29/wUzDnltTpIOcy+xBaOvP0AaAcDHrGBYydASA60DY7+wNpH5SOyu sOHcPjOpn/oiOGM1ggkPcNy9KiKIG7Uo83UZScYvOU7ps6cxk9wC2wyo1J9RKVZUztUb 0F1uM1GjUzcO1xBaD/b7mVRT4q78hrvVbyWVFk2voKy7h0LIP1ERzze3SdUhu9IQlRis 1CnQ== X-Forwarded-Encrypted: i=1; AJvYcCWUxVjWjKljy/hMbpgzoh1K1R7GiM5+25kBW4Gbkmm7EaWSHuMAj4UVGs8evpE/xdQEhF8M7mQUk3PXBME=@vger.kernel.org X-Gm-Message-State: AOJu0YwhjyzYTVHpr59b17KI4BLKaE6EJ6yefQKpzoVHLLayU+8rlI5i u7tLrUyC946m5j2eecU7VoEz3QKCRW4GcdnwqXm1ZvbHRz+VPBL2Vn/P9c2ZzWnjcWVjw5bNBiU 9mdpfSsFXfOxnvwgLjYInqKBRtR/evaaayjMzevJBNlLcmO3OpWkZMh3c1Bw= X-Google-Smtp-Source: AGHT+IHMR+3xJKvE8Bqzs/XEd/UDzBocmwM2h/yDFlosDTc9gU+hS/s2AtMYwt4Mcbd0LNQhh0UzgLPgM7O3BeC5Y4e8e7cqoOT0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1fc6:b0:433:46fa:6a7a with SMTP id e9e14a558f8ab-435b8e6950emr257795625ab.25.1764443139407; Sat, 29 Nov 2025 11:05:39 -0800 (PST) Date: Sat, 29 Nov 2025 11:05:39 -0800 In-Reply-To: <20251129190507.543570-1-activprithvi@gmail.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <692b4403.a70a0220.2ea503.009f.GAE@google.com> Subject: Re: Syzbot test for fs: ocfs2: fix kernel BUG in ocfs2_find_victim_chain From: syzbot To: activprithvi@gmail.com Cc: activprithvi@gmail.com, jlbec@evilplan.org, joseph.qi@linux.alibaba.com, linux-kernel@vger.kernel.org, mark@fasheh.com, ocfs2-devel@lists.linux.dev, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" > #syz test git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 939f15e640f193616691d3bcde0089760e75b0d3 I see the command but can't find the corresponding bug. Please resend the email to syzbot+HASH@syzkaller.appspotmail.com address that is the sender of the bug report (also present in the Reported-by tag). > > Signed-off-by: Prithvi Tambewagh > --- > fs/ocfs2/suballoc.c | 7 +++++++ > 1 file changed, 7 insertions(+) > > diff --git a/fs/ocfs2/suballoc.c b/fs/ocfs2/suballoc.c > index 6ac4dcd54588..c7eb6efc00b4 100644 > --- a/fs/ocfs2/suballoc.c > +++ b/fs/ocfs2/suballoc.c > @@ -1993,6 +1993,13 @@ static int ocfs2_claim_suballoc_bits(struct ocfs2_alloc_context *ac, > > cl = (struct ocfs2_chain_list *) &fe->id2.i_chain; > > + if( le16_to_cpu(cl->cl_next_free_rec) == 0) { > + status = ocfs2_error(ac->ac_inode->i_sb, > + "Chain allocator dinode %llu has 0 chains\n", > + (unsigned long long)le64_to_cpu(fe->i_blkno)); > + goto bail; > + } > + > victim = ocfs2_find_victim_chain(cl); > ac->ac_chain = victim; > > > base-commit: 939f15e640f193616691d3bcde0089760e75b0d3 > -- > 2.34.1 > > -- > You received this message because you are subscribed to the Google Groups "syzkaller-bugs" group. > To unsubscribe from this group and stop receiving emails from it, send an email to syzkaller-bugs+unsubscribe@googlegroups.com. > To view this discussion visit https://groups.google.com/d/msgid/syzkaller-bugs/20251129190507.543570-1-activprithvi%40gmail.com.