openat$cgroup_ro(0xffffffffffffffff, 0x0, 0x0, 0x0)
ioctl$AUTOFS_DEV_IOCTL_PROTOVER(0xffffffffffffffff, 0xc0189372, 0x0)
ioctl$BTRFS_IOC_SCRUB_CANCEL(0xffffffffffffffff, 0x941c, 0x0)
socketpair$unix(0x1, 0x0, 0x0, 0x0)
socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={<r0=>0xffffffffffffffff})
r1 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/timer_list\x00', 0x0, 0x0)
sendfile(r0, r1, 0x0, 0xffff)