r0 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000000)='/sys/power/resume', 0x0, 0x0)
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000040)='/sys/kernel/kexec_crash_size', 0xa0902, 0x0)
copy_file_range(r0, &(0x7f0000000040)=0x1, r1, 0x0, 0x4, 0x0)