On Wed, May 10, 2023 at 5:14 PM syzbot <syzbot+d742fd7d34097f949179@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote: > > Hello, > > syzbot found the following issue on: > > HEAD commit: 950b879b7f02 riscv: Fixup race condition on PG_dcache_clea.. > git tree: git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git fixes > console output: https://syzkaller.appspot.com/x/log.txt?x=17eaa0c6280000 > kernel config: https://syzkaller.appspot.com/x/.config?x=ecebece1b90c0342 > dashboard link: https://syzkaller.appspot.com/bug?extid=d742fd7d34097f949179 > compiler: riscv64-linux-gnu-gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 > userspace arch: riscv64 > > Unfortunately, I don't have any reproducer for this issue yet. > > Downloadable assets: > disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/5ab53d394dbf/non_bootable_disk-950b879b.raw.xz > vmlinux: https://storage.googleapis.com/syzbot-assets/938475579d6c/vmlinux-950b879b.xz > kernel image: https://storage.googleapis.com/syzbot-assets/bcf263d8c574/Image-950b879b.xz > > IMPORTANT: if you fix the issue, please add the following tag to the commit: > Reported-by: syzbot+d742fd7d34097f949179@xxxxxxxxxxxxxxxxxxxxxxxxx That tree doesn't have the fix yet: https://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git/tree/kernel/bpf/verifier.c?h=fixes&id=950b879b7f02#n1065 #syz fix: bpf: Always use maximal size for copy_array()
