io_setup(0x5, &(0x7f0000000140)=<r0=>0x0)
r1 = epoll_create(0x1)
r2 = signalfd4(0xffffffffffffffff, &(0x7f00000000c0), 0x8, 0x0)
epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r2, &(0x7f0000000100))
r3 = signalfd(0xffffffffffffffff, &(0x7f0000000280), 0x8)
io_submit(r0, 0x1, &(0x7f00000006c0)=[&(0x7f0000000000)={0x0, 0x0, 0x0, 0x5, 0x0, r3, 0x0}])
syz_mount_image$ext4(0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0)