udit: type=1400 audit(1559314353.341:36): avc:  denied  { map } for  pid=7188 comm="syz-executor147" path="/root/syz-executor147841005" 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 0xffff8881196cab00 (size 256):
  comm "softirq", pid 0, jiffies 4294943494 (age 13.600s)
  hex dump (first 32 bytes):
    00 01 00 00 00 00 ad de 00 02 00 00 00 00 ad de  ................
    00 70 72 17 81 88 ff ff 00 00 00 00 00 00 00 00  .pr.............
  backtrace:
    [<00000000b750ba1b>] kmemleak_alloc_recursive include/linux/kmemleak.h:55 [inline]
    [<00000000b750ba1b>] slab_post_alloc_hook mm/slab.h:439 [inline]
    [<00000000b750ba1b>] slab_alloc mm/slab.c:3326 [inline]
    [<00000000b750ba1b>] kmem_cache_alloc_trace+0x13d/0x280 mm/slab.c:3553
    [<00000000f5443f9c>] kmalloc include/linux/slab.h:547 [inline]
    [<00000000f5443f9c>] kzalloc include/linux/slab.h:742 [inline]
    [<00000000f5443f9c>] lapb_create_cb net/lapb/lapb_iface.c:116 [inline]
    [<00000000f5443f9c>] lapb_register+0x90/0x1c0 net/lapb/lapb_iface.c:153
    [<00000000df8f280d>] x25_asy_open drivers/net/wan/x25_asy.c:483 [inline]
    [<00000000df8f280d>] x25_asy_open_tty+0x26b/0x2f6 drivers/net/wan/x25_asy.c:573
    [<00000000127a0931>] tty_ldisc_open.isra.0+0x40/0x70 drivers/tty/tty_ldisc.c:469
    [<000000009622ea53>] tty_set_ldisc+0x149/0x240 drivers/tty/tty_ldisc.c:596
    [<000000005351d75b>] tiocsetd drivers/tty/tty_io.c:2332 [inline]
    [<000000005351d75b>] tty_ioctl+0x366/0xa30 drivers/tty/tty_io.c:2592
    [<00000000a81d8ab0>] vfs_ioctl fs/ioctl.c:46 [inline]
    [<00000000a81d8ab0>] file_ioctl fs/ioctl.c:509 [inline]
    [<00000000a81d8ab0>] do_vfs_ioctl+0x62a/0x810 fs/ioctl.c:696
    [<000000009cdbb73a>] ksys_ioctl+0x86/0xb0 fs/ioctl.c:713
    [<00000000760dfa05>] __do_sys_ioctl fs/ioctl.c:720 [inline]
    [<00000000760dfa05>] __se_sys_ioctl fs/ioctl.c:718 [inline]
    [<00000000760dfa05>] __x64_sys_ioctl+0x1e/0x30 fs/ioctl.c:718
    [<00000000d120573a>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:301
    [<0000000011d3523e>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff8881196ca200 (size 256):
  comm "softirq", pid 0, jiffies 4294944077 (age 7.770s)
  hex dump (first 32 bytes):
    00 01 00 00 00 00 ad de 00 02 00 00 00 00 ad de  ................
    00 70 72 17 81 88 ff ff 00 00 00 00 00 00 00 00  .pr.............
  backtrace:
    [<00000000b750ba1b>] kmemleak_alloc_recursive include/linux/kmemleak.h:55 [inline]
    [<00000000b750ba1b>] slab_post_alloc_hook mm/slab.h:439 [inline]
    [<00000000b750ba1b>] slab_alloc mm/slab.c:3326 [inline]
    [<00000000b750ba1b>] kmem_cache_alloc_trace+0x13d/0x280 mm/slab.c:3553
    [<00000000f5443f9c>] kmalloc include/linux/slab.h:547 [inline]
    [<00000000f5443f9c>] kzalloc include/linux/slab.h:742 [inline]
    [<00000000f5443f9c>] lapb_create_cb net/lapb/lapb_iface.c:116 [inline]
    [<00000000f5443f9c>] lapb_register+0x90/0x1c0 net/lapb/lapb_iface.c:153
    [<00000000df8f280d>] x25_asy_open drivers/net/wan/x25_asy.c:483 [inline]
    [<00000000df8f280d>] x25_asy_open_tty+0x26b/0x2f6 drivers/net/wan/x25_asy.c:573
    [<00000000127a0931>] tty_ldisc_open.isra.0+0x40/0x70 drivers/tty/tty_ldisc.c:469
    [<000000009622ea53>] tty_set_ldisc+0x149/0x240 drivers/tty/tty_ldisc.c:596
    [<000000005351d75b>] tiocsetd drivers/tty/tty_io.c:2332 [inline]
    [<000000005351d75b>] tty_ioctl+0x366/0xa30 drivers/tty/tty_io.c:2592
    [<00000000a81d8ab0>] vfs_ioctl fs/ioctl.c:46 [inline]
    [<00000000a81d8ab0>] file_ioctl fs/ioctl.c:509 [inline]
    [<00000000a81d8ab0>] do_vfs_ioctl+0x62a/0x810 fs/ioctl.c:696
    [<000000009cdbb73a>] ksys_ioctl+0x86/0xb0 fs/ioctl.c:713
    [<00000000760dfa05>] __do_sys_ioctl fs/ioctl.c:720 [inline]
    [<00000000760dfa05>] __se_sys_ioctl fs/ioctl.c:718 [inline]
    [<00000000760dfa05>] __x64_sys_ioctl+0x1e/0x30 fs/ioctl.c:718
    [<00000000d120573a>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:301
    [<0000000011d3523e>] entry_SYSCALL_64_after_hwframe+0x44/0xa9