newfstatat(0xffffffffffffff9c, 0x0, &(0x7f0000002640)={0x0, 0x0, 0x0, 0x0, <r0=>0x0}, 0x1100)
setresuid(0x0, r0, 0x0)
r1 = syz_open_procfs$namespace(0x0, &(0x7f0000000080)='ns/mnt\x00')
open_by_handle_at(r1, &(0x7f0000000000)=@ceph_nfs_snapfh={0x1c, 0xf1, {0x2}}, 0x0)