Debian GNU/Linux 9 syzkaller ttyS0
Warning: Permanently added '10.128.0.4' (ECDSA) to the list of known hosts.
executing program
executing program
BUG: memory leak
unreferenced object 0xffff8881103f6800 (size 256):
  comm "syz-executor168", pid 8478, jiffies 4294945969 (age 14.020s)
  hex dump (first 32 bytes):
    03 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:
    [<000000009ca67fa2>] kmalloc_node include/linux/slab.h:575 [inline]
    [<000000009ca67fa2>] kvmalloc_node+0x61/0xf0 mm/util.c:575
    [<00000000a7f3d8d7>] kvmalloc include/linux/mm.h:772 [inline]
    [<00000000a7f3d8d7>] video_usercopy+0x991/0xa50 drivers/media/v4l2-core/v4l2-ioctl.c:3303
    [<00000000b107cea4>] v4l2_ioctl+0x77/0x90 drivers/media/v4l2-core/v4l2-dev.c:360
    [<00000000c1dfcd3b>] vfs_ioctl fs/ioctl.c:48 [inline]
    [<00000000c1dfcd3b>] __do_sys_ioctl fs/ioctl.c:753 [inline]
    [<00000000c1dfcd3b>] __se_sys_ioctl fs/ioctl.c:739 [inline]
    [<00000000c1dfcd3b>] __x64_sys_ioctl+0xfc/0x140 fs/ioctl.c:739
    [<00000000148236b1>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
    [<00000000bfe4c272>] entry_SYSCALL_64_after_hwframe+0x44/0xa9