r0 = openat$sr(0xffffffffffffff9c, &(0x7f0000000440), 0x4840, 0x0)
socket$inet_icmp(0x2, 0x2, 0x1)
prctl$PR_SET_MM(0x23, 0x4, &(0x7f0000ffc000/0x4000)=nil)
r1 = mmap$IORING_OFF_SQ_RING(&(0x7f0000ffd000/0x3000)=nil, 0x3000, 0x2000004, 0x12, r0, 0x0)
ioctl$FIBMAP(0xffffffffffffffff, 0x1, &(0x7f0000000400))
sigaltstack(&(0x7f0000ffb000/0x3000)=nil, 0x0)
syz_io_uring_submit(0x0, 0x0, 0x0, 0x0)
syz_io_uring_submit(0x0, 0x0, 0x0, 0x0)
syz_io_uring_submit(r1, 0x0, 0x0, 0x0)