On Tue, 21 Mar 2023 at 17:03, syzbot <syzbot+6d9043ea38ed2b9ef000@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote: > > Hello, > > syzbot found the following issue on: > > HEAD commit: 73f2c2a7e1d2 Add linux-next specific files for 20230320 > git tree: linux-next > console+strace: https://syzkaller.appspot.com/x/log.txt?x=11ad6e1cc80000 > kernel config: https://syzkaller.appspot.com/x/.config?x=f22105589e896af1 > dashboard link: https://syzkaller.appspot.com/bug?extid=6d9043ea38ed2b9ef000 > compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=17d199bac80000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=159c7281c80000 > > Downloadable assets: > disk image: https://storage.googleapis.com/syzbot-assets/2e4e105e18cf/disk-73f2c2a7.raw.xz > vmlinux: https://storage.googleapis.com/syzbot-assets/08d761112297/vmlinux-73f2c2a7.xz > kernel image: https://storage.googleapis.com/syzbot-assets/4b39e3e871ce/bzImage-73f2c2a7.xz > mounted in repro: https://storage.googleapis.com/syzbot-assets/662e0db5efdd/mount_0.gz > > The issue was bisected to: > > commit 8f4977bdd77ee3dce8af81488231e7535695f889 > Author: Lorenzo Stoakes <lstoakes@xxxxxxxxx> > Date: Sun Mar 19 07:09:31 2023 +0000 > > mm: vmalloc: use rwsem, mutex for vmap_area_lock and vmap_block->lock This patch has already been dropped in mm-unstable which will eventually reach linux-next. The current revision of this patch set retains the spinlocks. [snip] -- Lorenzo Stoakes https://ljs.io