linux-kernel - Re: [syzbot] [fs?] BUG: sleeping function called from invalid context in __getblk

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Date: Mon, 29 Jan 2024 17:15:05 -0800
From: syzbot <syzbot+69b40dc5fd40f32c199f@...kaller.appspotmail.com>
To: akpm@...ux-foundation.org, axboe@...nel.dk, brauner@...nel.org, 
	chenzhongjin@...wei.com, dchinner@...hat.com, hch@...radead.org, hch@....de, 
	jack@...e.cz, linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org, 
	penguin-kernel@...ove.sakura.ne.jp, syzkaller-bugs@...glegroups.com, 
	viro@...iv.linux.org.uk, willy@...radead.org
Subject: Re: [syzbot] [fs?] BUG: sleeping function called from invalid context
 in __getblk_gfp

syzbot suspects this issue was fixed by commit:

commit 6f861765464f43a71462d52026fbddfc858239a5
Author: Jan Kara <jack@...e.cz>
Date:   Wed Nov 1 17:43:10 2023 +0000

    fs: Block writes to mounted block devices

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=116642dfe80000
start commit:   d88520ad73b7 Merge tag 'pull-nfsd-fix' of git://git.kernel..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=174a257c5ae6b4fd
dashboard link: https://syzkaller.appspot.com/bug?extid=69b40dc5fd40f32c199f
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=16a77593680000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=1104a593680000

If the result looks correct, please mark the issue as fixed by replying with:

#syz fix: fs: Block writes to mounted block devices

For information about bisection process see: https://goo.gl/tpsmEJ#bisection