[syzbot] INFO: The task syz-executor:NUM has been waiting for writeback completion for more than NUM seconds.

[syzbot]

Hello,

syzbot found the following issue on:

HEAD commit: 7aaa8047eafd Linux 7.0-rc6
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=16271a48580000
kernel config: https://syzkaller.appspot.com/x/.config?x=6754c86e8d9e4c91
dashboard link: https://syzkaller.appspot.com/bug?extid=52fb13daf83df5a1b81a
compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8

Unfortunately, I don't have any reproducer for this issue yet.

Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/ba4c84dc7f81/disk-7aaa8047.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/24a0b91bd406/vmlinux-7aaa8047.xz
kernel image: https://storage.googleapis.com/syzbot-assets/71276b7ae1be/bzImage-7aaa8047.xz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+52fb13...@syzkaller.appspotmail.com

INFO: The task syz-executor:19624 has been waiting for writeback completion for more than 142 seconds.
INFO: The task syz-executor:19624 has been waiting for writeback completion for more than 142 seconds.


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