BUG: memory leak
unreferenced object 0xffff88810ccee780 (size 96):
  comm "syz-executor.0", pid 5510, jiffies 4294944067
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace (crc 0):
    [<ffffffff815f0060>] kmemleak_alloc_recursive include/linux/kmemleak.h:42 [inline]
    [<ffffffff815f0060>] slab_post_alloc_hook mm/slub.c:3817 [inline]
    [<ffffffff815f0060>] slab_alloc_node mm/slub.c:3860 [inline]
    [<ffffffff815f0060>] __do_kmalloc_node mm/slub.c:3980 [inline]
    [<ffffffff815f0060>] __kmalloc_node+0x320/0x420 mm/slub.c:3988
    [<ffffffff8156c109>] kmalloc_node include/linux/slab.h:610 [inline]
    [<ffffffff8156c109>] kvmalloc_node+0x99/0x170 mm/util.c:617
    [<ffffffff826bf53d>] kvmalloc include/linux/slab.h:728 [inline]
    [<ffffffff826bf53d>] kvmalloc_array include/linux/slab.h:746 [inline]
    [<ffffffff826bf53d>] want_pages_array+0x6d/0x90 lib/iov_iter.c:905
    [<ffffffff826c0b3e>] iov_iter_extract_user_pages lib/iov_iter.c:1601 [inline]
    [<ffffffff826c0b3e>] iov_iter_extract_pages+0x18e/0x9e0 lib/iov_iter.c:1667
    [<ffffffff8260ef50>] bio_map_user_iov+0x160/0x5b0 block/blk-map.c:304
    [<ffffffff8260f75a>] blk_rq_map_user_iov+0x3ba/0xaf0 block/blk-map.c:670
    [<ffffffff82610293>] blk_rq_map_user block/blk-map.c:697 [inline]
    [<ffffffff82610293>] blk_rq_map_user_io+0x143/0x160 block/blk-map.c:730
    [<ffffffff82ed2465>] sg_io+0x285/0x510 drivers/scsi/scsi_ioctl.c:456
    [<ffffffff82ed2b65>] scsi_cdrom_send_packet+0x1b5/0x480 drivers/scsi/scsi_ioctl.c:820
    [<ffffffff82ed2efa>] scsi_ioctl+0xca/0xd30 drivers/scsi/scsi_ioctl.c:903
    [<ffffffff82f67da4>] sg_ioctl+0x5f4/0x10a0 drivers/scsi/sg.c:1163
    [<ffffffff816bfea2>] vfs_ioctl fs/ioctl.c:51 [inline]
    [<ffffffff816bfea2>] __do_sys_ioctl fs/ioctl.c:871 [inline]
    [<ffffffff816bfea2>] __se_sys_ioctl fs/ioctl.c:857 [inline]
    [<ffffffff816bfea2>] __x64_sys_ioctl+0xf2/0x140 fs/ioctl.c:857
    [<ffffffff84d61aed>] do_syscall_x64 arch/x86/entry/common.c:52 [inline]
    [<ffffffff84d61aed>] do_syscall_64+0xad/0x1d0 arch/x86/entry/common.c:83
    [<ffffffff84e000cb>] entry_SYSCALL_64_after_hwframe+0x63/0x6b

BUG: memory leak
unreferenced object 0xffff88810c2108a0 (size 96):
  comm "syz-executor.0", pid 5764, jiffies 4294944614
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace (crc 0):
    [<ffffffff815f0060>] kmemleak_alloc_recursive include/linux/kmemleak.h:42 [inline]
    [<ffffffff815f0060>] slab_post_alloc_hook mm/slub.c:3817 [inline]
    [<ffffffff815f0060>] slab_alloc_node mm/slub.c:3860 [inline]
    [<ffffffff815f0060>] __do_kmalloc_node mm/slub.c:3980 [inline]
    [<ffffffff815f0060>] __kmalloc_node+0x320/0x420 mm/slub.c:3988
    [<ffffffff8156c109>] kmalloc_node include/linux/slab.h:610 [inline]
    [<ffffffff8156c109>] kvmalloc_node+0x99/0x170 mm/util.c:617
    [<ffffffff826bf53d>] kvmalloc include/linux/slab.h:728 [inline]
    [<ffffffff826bf53d>] kvmalloc_array include/linux/slab.h:746 [inline]
    [<ffffffff826bf53d>] want_pages_array+0x6d/0x90 lib/iov_iter.c:905
    [<ffffffff826c0b3e>] iov_iter_extract_user_pages lib/iov_iter.c:1601 [inline]
    [<ffffffff826c0b3e>] iov_iter_extract_pages+0x18e/0x9e0 lib/iov_iter.c:1667
    [<ffffffff8260ef50>] bio_map_user_iov+0x160/0x5b0 block/blk-map.c:304
    [<ffffffff8260f75a>] blk_rq_map_user_iov+0x3ba/0xaf0 block/blk-map.c:670
    [<ffffffff82610293>] blk_rq_map_user block/blk-map.c:697 [inline]
    [<ffffffff82610293>] blk_rq_map_user_io+0x143/0x160 block/blk-map.c:730
    [<ffffffff82ed2465>] sg_io+0x285/0x510 drivers/scsi/scsi_ioctl.c:456
    [<ffffffff82ed2b65>] scsi_cdrom_send_packet+0x1b5/0x480 drivers/scsi/scsi_ioctl.c:820
    [<ffffffff82ed2efa>] scsi_ioctl+0xca/0xd30 drivers/scsi/scsi_ioctl.c:903
    [<ffffffff82f67da4>] sg_ioctl+0x5f4/0x10a0 drivers/scsi/sg.c:1163
    [<ffffffff816bfea2>] vfs_ioctl fs/ioctl.c:51 [inline]
    [<ffffffff816bfea2>] __do_sys_ioctl fs/ioctl.c:871 [inline]
    [<ffffffff816bfea2>] __se_sys_ioctl fs/ioctl.c:857 [inline]
    [<ffffffff816bfea2>] __x64_sys_ioctl+0xf2/0x140 fs/ioctl.c:857
    [<ffffffff84d61aed>] do_syscall_x64 arch/x86/entry/common.c:52 [inline]
    [<ffffffff84d61aed>] do_syscall_64+0xad/0x1d0 arch/x86/entry/common.c:83
    [<ffffffff84e000cb>] entry_SYSCALL_64_after_hwframe+0x63/0x6b

BUG: memory leak
unreferenced object 0xffff88810c210de0 (size 96):
  comm "syz-executor.0", pid 5766, jiffies 4294944615
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace (crc 0):
    [<ffffffff815f0060>] kmemleak_alloc_recursive include/linux/kmemleak.h:42 [inline]
    [<ffffffff815f0060>] slab_post_alloc_hook mm/slub.c:3817 [inline]
    [<ffffffff815f0060>] slab_alloc_node mm/slub.c:3860 [inline]
    [<ffffffff815f0060>] __do_kmalloc_node mm/slub.c:3980 [inline]
    [<ffffffff815f0060>] __kmalloc_node+0x320/0x420 mm/slub.c:3988
    [<ffffffff8156c109>] kmalloc_node include/linux/slab.h:610 [inline]
    [<ffffffff8156c109>] kvmalloc_node+0x99/0x170 mm/util.c:617
    [<ffffffff826bf53d>] kvmalloc include/linux/slab.h:728 [inline]
    [<ffffffff826bf53d>] kvmalloc_array include/linux/slab.h:746 [inline]
    [<ffffffff826bf53d>] want_pages_array+0x6d/0x90 lib/iov_iter.c:905
    [<ffffffff826c0b3e>] iov_iter_extract_user_pages lib/iov_iter.c:1601 [inline]
    [<ffffffff826c0b3e>] iov_iter_extract_pages+0x18e/0x9e0 lib/iov_iter.c:1667
    [<ffffffff8260ef50>] bio_map_user_iov+0x160/0x5b0 block/blk-map.c:304
    [<ffffffff8260f75a>] blk_rq_map_user_iov+0x3ba/0xaf0 block/blk-map.c:670
    [<ffffffff82610293>] blk_rq_map_user block/blk-map.c:697 [inline]
    [<ffffffff82610293>] blk_rq_map_user_io+0x143/0x160 block/blk-map.c:730
    [<ffffffff82ed2465>] sg_io+0x285/0x510 drivers/scsi/scsi_ioctl.c:456
    [<ffffffff82ed2b65>] scsi_cdrom_send_packet+0x1b5/0x480 drivers/scsi/scsi_ioctl.c:820
    [<ffffffff82ed2efa>] scsi_ioctl+0xca/0xd30 drivers/scsi/scsi_ioctl.c:903
    [<ffffffff82f67da4>] sg_ioctl+0x5f4/0x10a0 drivers/scsi/sg.c:1163
    [<ffffffff816bfea2>] vfs_ioctl fs/ioctl.c:51 [inline]
    [<ffffffff816bfea2>] __do_sys_ioctl fs/ioctl.c:871 [inline]
    [<ffffffff816bfea2>] __se_sys_ioctl fs/ioctl.c:857 [inline]
    [<ffffffff816bfea2>] __x64_sys_ioctl+0xf2/0x140 fs/ioctl.c:857
    [<ffffffff84d61aed>] do_syscall_x64 arch/x86/entry/common.c:52 [inline]
    [<ffffffff84d61aed>] do_syscall_64+0xad/0x1d0 arch/x86/entry/common.c:83
    [<ffffffff84e000cb>] entry_SYSCALL_64_after_hwframe+0x63/0x6b