syz_mount_image$ext4(0x0, &(0x7f0000000100)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0)
mount(0x0, &(0x7f0000000180)='./file0\x00', &(0x7f0000000040)='sysfs\x00', 0x0, 0x0)
umount2(&(0x7f0000000080)='./file0\x00', 0x4)
socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={<r0=>0xffffffffffffffff})
r1 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/timer_list\x00', 0x0, 0x0)
sendfile(r0, r1, 0x0, 0xffff)
umount2(&(0x7f0000000000)='./file0\x00', 0xc)