On Tue, Oct 17, 2023 at 08:53:45AM -0700, syzbot wrote: > Hello, > > syzbot found the following issue on: > > HEAD commit: c295ba49917a Merge branch 'for-next/core' into for-kernelci > git tree: git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci > console output: https://syzkaller.appspot.com/x/log.txt?x=135804fe680000 > kernel config: https://syzkaller.appspot.com/x/.config?x=f27cd6e68911e026 > dashboard link: https://syzkaller.appspot.com/bug?extid=6aa88a2d31fbec170f8b > compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 > userspace arch: arm64 > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=17d48d09680000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=13498275680000 > > Downloadable assets: > disk image: https://storage.googleapis.com/syzbot-assets/045554f2bee6/disk-c295ba49.raw.xz > vmlinux: https://storage.googleapis.com/syzbot-assets/ba2705f8a872/vmlinux-c295ba49.xz > kernel image: https://storage.googleapis.com/syzbot-assets/e36242e95b79/Image-c295ba49.gz.xz > mounted in repro #1: https://storage.googleapis.com/syzbot-assets/39a4eecc45c3/mount_0.gz > mounted in repro #2: https://storage.googleapis.com/syzbot-assets/3a9106a526c9/mount_1.gz > > IMPORTANT: if you fix the issue, please add the following tag to the commit: > Reported-by: syzbot+6aa88a2d31fbec170f8b@xxxxxxxxxxxxxxxxxxxxxxxxx > > BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low! #syz invalid This is a frequent warning, can be worked around by increasing CONFIG_LOCKDEP_CHAINS_BITS in config (18 could be a good value but may still not be enough).
