Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.1.37' (ECDSA) to the list of known hosts. executing program executing program BUG: memory leak unreferenced object 0xffff8881106ae800 (size 256): comm "syz-executor653", pid 8476, jiffies 4294943201 (age 13.530s) hex dump (first 32 bytes): 03 00 00 00 00 00 00 00 09 00 00 00 40 00 00 00 ............@... 59 34 31 50 01 00 00 00 00 00 00 00 00 02 00 00 Y41P............ backtrace: [<00000000abbd52ce>] kmalloc_node include/linux/slab.h:575 [inline] [<00000000abbd52ce>] kvmalloc_node+0x61/0xf0 mm/util.c:587 [<00000000cbb9bb16>] kvmalloc include/linux/mm.h:781 [inline] [<00000000cbb9bb16>] video_usercopy+0x991/0xa50 drivers/media/v4l2-core/v4l2-ioctl.c:3303 [<00000000d6db8cc4>] v4l2_ioctl+0x77/0x90 drivers/media/v4l2-core/v4l2-dev.c:360 [<0000000060639b21>] vfs_ioctl fs/ioctl.c:48 [inline] [<0000000060639b21>] __do_sys_ioctl fs/ioctl.c:753 [inline] [<0000000060639b21>] __se_sys_ioctl fs/ioctl.c:739 [inline] [<0000000060639b21>] __x64_sys_ioctl+0xfc/0x140 fs/ioctl.c:739 [<0000000023f3135d>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 [<00000000a943f4a6>] entry_SYSCALL_64_after_hwframe+0x44/0xa9