On Sun, Dec 22, 2024 at 3:44 AM syzbot <syzbot+d21d8cd32443d6fbded1@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote: > > Hello, > > syzbot found the following issue on: > > HEAD commit: 8faabc041a00 Merge tag 'net-6.13-rc4' of git://git.kernel... > git tree: upstream This is the mainline. > console output: https://syzkaller.appspot.com/x/log.txt?x=10f39cf8580000 > kernel config: https://syzkaller.appspot.com/x/.config?x=c22efbd20f8da769 > dashboard link: https://syzkaller.appspot.com/bug?extid=d21d8cd32443d6fbded1 > 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/0bdb6cecaf61/disk-8faabc04.raw.xz > vmlinux: https://storage.googleapis.com/syzbot-assets/98b22dfadac0/vmlinux-8faabc04.xz > kernel image: https://storage.googleapis.com/syzbot-assets/65a511d3ba7f/bzImage-8faabc04.xz > > IMPORTANT: if you fix the issue, please add the following tag to the commit: > Reported-by: syzbot+d21d8cd32443d6fbded1@xxxxxxxxxxxxxxxxxxxxxxxxx > > Oops: general protection fault, probably for non-canonical address 0xdffffc0000000998: 0000 [#1] PREEMPT SMP KASAN PTI > KASAN: probably user-memory-access in range [0x0000000000004cc0-0x0000000000004cc7] > CPU: 1 UID: 0 PID: 6298 Comm: syz.0.89 Not tainted 6.13.0-rc3-syzkaller-00136-g8faabc041a00 #0 > Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024 > RIP: 0010:mem_cgroup_lruvec include/linux/memcontrol.h:707 [inline] > RIP: 0010:lru_gen_test_recent mm/workingset.c:274 [inline] > RIP: 0010:lru_gen_refault mm/workingset.c:293 [inline] > RIP: 0010:workingset_refault+0x234/0x1390 mm/workingset.c:548 So it can' be related to the recent changes in mm-unstable [1]. But I keep an eye on it regardless. [1] https://lore.kernel.org/20241207221522.2250311-1-yuzhao@xxxxxxxxxx/