Debian GNU/Linux 9 syzkaller ttyS0
Warning: Permanently added '10.128.0.75' (ECDSA) to the list of known hosts.
executing program
executing program
BUG: memory leak
unreferenced object 0xffff88810e452f00 (size 256):
  comm "syz-executor895", pid 8472, jiffies 4294942930 (age 13.750s)
  hex dump (first 32 bytes):
    03 00 00 00 00 00 00 00 ff 07 3f 00 ff 03 2f f1  ..........?.../.
    1f 00 05 00 ff ff ac 4b 09 00 1f 00 fe ff 05 00  .......K........
  backtrace:
    [<00000000addf9f21>] kmalloc_node include/linux/slab.h:575 [inline]
    [<00000000addf9f21>] kvmalloc_node+0x61/0xf0 mm/util.c:587
    [<00000000708ba907>] kvmalloc include/linux/mm.h:781 [inline]
    [<00000000708ba907>] video_usercopy+0x991/0xa50 drivers/media/v4l2-core/v4l2-ioctl.c:3303
    [<00000000f6901d58>] v4l2_ioctl+0x77/0x90 drivers/media/v4l2-core/v4l2-dev.c:360
    [<00000000ad8dcf90>] vfs_ioctl fs/ioctl.c:48 [inline]
    [<00000000ad8dcf90>] __do_sys_ioctl fs/ioctl.c:753 [inline]
    [<00000000ad8dcf90>] __se_sys_ioctl fs/ioctl.c:739 [inline]
    [<00000000ad8dcf90>] __x64_sys_ioctl+0xfc/0x140 fs/ioctl.c:739
    [<00000000d6f2d38a>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
    [<000000009e94018c>] entry_SYSCALL_64_after_hwframe+0x44/0xa9