On Mon, 13 May 2024 at 20:28, syzbot <syzbot+8aa3f99a6acb9f8fd429@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote: > > Hello, > > syzbot found the following issue on: > > HEAD commit: 45db3ab70092 Merge tag '6.9-rc7-ksmbd-fixes' of git://git... > git tree: upstream > console output: https://syzkaller.appspot.com/x/log.txt?x=169b934c980000 > kernel config: https://syzkaller.appspot.com/x/.config?x=2f7a2b43b9e58995 > dashboard link: https://syzkaller.appspot.com/bug?extid=8aa3f99a6acb9f8fd429 > compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 > > Unfortunately, I don't have any reproducer for this issue yet. > > Downloadable assets: > disk image: https://storage.googleapis.com/syzbot-assets/0c2a8034002c/disk-45db3ab7.raw.xz > vmlinux: https://storage.googleapis.com/syzbot-assets/807e35e2b3a9/vmlinux-45db3ab7.xz > kernel image: https://storage.googleapis.com/syzbot-assets/4868b2eab91a/bzImage-45db3ab7.xz > > IMPORTANT: if you fix the issue, please add the following tag to the commit: > Reported-by: syzbot+8aa3f99a6acb9f8fd429@xxxxxxxxxxxxxxxxxxxxxxxxx > > ------------[ cut here ]------------ > DEBUG_RWSEMS_WARN_ON((rwsem_owner(sem) != current) && !rwsem_test_oflags(sem, RWSEM_NONSPINNABLE)): count = 0x0, magic = 0xffff888077f311f0, owner = 0x0, curr 0xffff8880787ebc00, list empty This is lock corruption on the upper filesystem, definitely not an overlayfs issue. #syz unset subsystems Thanks, Miklos
