udit: type=1400 audit(1561566545.408:36): avc:  denied  { map } for  pid=7038 comm="syz-executor787" path="/root/syz-executor787559888" dev="sda1" ino=16482 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1
executing program
executing program
BUG: memory leak
unreferenced object 0xffff888121706440 (size 64):
  comm "syz-executor787", pid 7039, jiffies 4294941940 (age 13.290s)
  hex dump (first 32 bytes):
    01 00 00 00 20 69 6f 63 00 00 00 00 64 65 76 2f  .... ioc....dev/
    50 64 70 21 81 88 ff ff 50 64 70 21 81 88 ff ff  Pdp!....Pdp!....
  backtrace:
    [<00000000a9a74e9e>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
    [<00000000a9a74e9e>] slab_post_alloc_hook mm/slab.h:439 [inline]
    [<00000000a9a74e9e>] slab_alloc mm/slab.c:3326 [inline]
    [<00000000a9a74e9e>] kmem_cache_alloc_trace+0x13d/0x280 mm/slab.c:3553
    [<000000005d48ed70>] kmalloc include/linux/slab.h:547 [inline]
    [<000000005d48ed70>] vhost_net_ubuf_alloc drivers/vhost/net.c:240 [inline]
    [<000000005d48ed70>] vhost_net_set_backend drivers/vhost/net.c:1533 [inline]
    [<000000005d48ed70>] vhost_net_ioctl+0xb43/0xc10 drivers/vhost/net.c:1715
    [<000000002d290e70>] vfs_ioctl fs/ioctl.c:46 [inline]
    [<000000002d290e70>] file_ioctl fs/ioctl.c:509 [inline]
    [<000000002d290e70>] do_vfs_ioctl+0x62a/0x810 fs/ioctl.c:696
    [<0000000007b8d9e3>] ksys_ioctl+0x86/0xb0 fs/ioctl.c:713
    [<0000000060fe151f>] __do_sys_ioctl fs/ioctl.c:720 [inline]
    [<0000000060fe151f>] __se_sys_ioctl fs/ioctl.c:718 [inline]
    [<0000000060fe151f>] __x64_sys_ioctl+0x1e/0x30 fs/ioctl.c:718
    [<000000006301403d>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:301
    [<000000004ab43dbf>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff888118a53dc0 (size 64):
  comm "syz-executor787", pid 7052, jiffies 4294942458 (age 8.110s)
  hex dump (first 32 bytes):
    01 00 00 00 2f 75 64 65 00 00 00 00 74 61 2f 6e  ..../ude....ta/n
    d0 3d a5 18 81 88 ff ff d0 3d a5 18 81 88 ff ff  .=.......=......
  backtrace:
    [<00000000a9a74e9e>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
    [<00000000a9a74e9e>] slab_post_alloc_hook mm/slab.h:439 [inline]
    [<00000000a9a74e9e>] slab_alloc mm/slab.c:3326 [inline]
    [<00000000a9a74e9e>] kmem_cache_alloc_trace+0x13d/0x280 mm/slab.c:3553
    [<000000005d48ed70>] kmalloc include/linux/slab.h:547 [inline]
    [<000000005d48ed70>] vhost_net_ubuf_alloc drivers/vhost/net.c:240 [inline]
    [<000000005d48ed70>] vhost_net_set_backend drivers/vhost/net.c:1533 [inline]
    [<000000005d48ed70>] vhost_net_ioctl+0xb43/0xc10 drivers/vhost/net.c:1715
    [<000000002d290e70>] vfs_ioctl fs/ioctl.c:46 [inline]
    [<000000002d290e70>] file_ioctl fs/ioctl.c:509 [inline]
    [<000000002d290e70>] do_vfs_ioctl+0x62a/0x810 fs/ioctl.c:696
    [<0000000007b8d9e3>] ksys_ioctl+0x86/0xb0 fs/ioctl.c:713
    [<0000000060fe151f>] __do_sys_ioctl fs/ioctl.c:720 [inline]
    [<0000000060fe151f>] __se_sys_ioctl fs/ioctl.c:718 [inline]
    [<0000000060fe151f>] __x64_sys_ioctl+0x1e/0x30 fs/ioctl.c:718
    [<000000006301403d>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:301
    [<000000004ab43dbf>] entry_SYSCALL_64_after_hwframe+0x44/0xa9