syz_mount_image$iso9660(0x0, &(0x7f0000000100)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) mount(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f00000000c0)='proc\x00', 0x0, 0x0) chroot(&(0x7f0000000040)='./file0\x00') openat$sysfs(0xffffffffffffff9c, &(0x7f0000000180)='/sys/kernel/warn_count', 0x0, 0x0) umount2(&(0x7f0000000140)='./file0\x00', 0x0)