sendmmsg$inet6(r1, &(0x7f0000005280)=[{{0x0, 0x0, 0x0}}], 0x1, 0x8004)
socket$packet(0x11, 0x2, 0x300)
sendmmsg$inet6(r1, &(0x7f000000c840)=[{{0x0, 0x0, &(0x7f00000015c0)=[{&(0x7f0000000080)='?', 0x1}], 0x1, 0x0, 0x0, 0x1f4}}], 0x1, 0x0)
BUG: memory leak
unreferenced object 0xffff8880430ff000 (size 192):
  comm "syz-executor.0", pid 24294, jiffies 4297980941
  hex dump (first 32 bytes):
    00 f9 0f 43 80 88 ff ff fe 29 00 00 82 02 38 00  ...C.....)....8.
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace (crc d5464397):
    [<000000001d4111f6>] __kmalloc_node_noprof+0x36c/0x4a0
    [<000000001bc68e82>] __kvmalloc_node_noprof+0x178/0x200
    [<000000001f51d654>] want_pages_array+0x98/0xf0
    [<00000000aa32f58e>] iov_iter_extract_pages+0x88f/0x1fa0
    [<000000004413c3a9>] bio_map_user_iov+0x2ed/0xa50
    [<00000000d3575f2a>] blk_rq_map_user_iov+0x618/0x1180
    [<00000000dcab8a92>] blk_rq_map_user_io+0x1d1/0x200
    [<000000003b532c65>] sg_io+0x565/0xd80
    [<00000000bd713ec9>] scsi_cdrom_send_packet+0x2a9/0x520
    [<00000000003fc899>] scsi_ioctl+0x131/0x15a0
    [<000000001fa50de7>] sr_block_ioctl+0x213/0x260
    [<000000003b8ef522>] blkdev_ioctl+0x27e/0x6d0
    [<0000000013f4c360>] __x64_sys_ioctl+0x1a7/0x210
    [<0000000095bf059e>] do_syscall_64+0xbf/0x1d0
    [<000000009c52d0d8>] entry_SYSCALL_64_after_hwframe+0x77/0x7f

BUG: leak checking failed