executing program
executing program
BUG: memory leak
unreferenced object 0xffff88811e4a4820 (size 32):
  comm "syz-executor230", pid 7148, jiffies 4294944471 (age 13.940s)
  hex dump (first 32 bytes):
    00 64 6d 61 62 75 66 3a 00 00 00 00 00 00 00 00  .dmabuf:........
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<000000006109644c>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
    [<000000006109644c>] slab_post_alloc_hook mm/slab.h:586 [inline]
    [<000000006109644c>] slab_alloc mm/slab.c:3319 [inline]
    [<000000006109644c>] __do_kmalloc mm/slab.c:3653 [inline]
    [<000000006109644c>] __kmalloc_track_caller+0x165/0x300 mm/slab.c:3670
    [<00000000d8daf62d>] memdup_user+0x26/0xa0 mm/util.c:172
    [<000000000e288ae4>] strndup_user+0x62/0x80 mm/util.c:231
    [<000000009a79a5bd>] dma_buf_set_name drivers/dma-buf/dma-buf.c:331 [inline]
    [<000000009a79a5bd>] dma_buf_ioctl+0x60/0x1e0 drivers/dma-buf/dma-buf.c:391
    [<00000000e64bccdb>] vfs_ioctl fs/ioctl.c:46 [inline]
    [<00000000e64bccdb>] file_ioctl fs/ioctl.c:509 [inline]
    [<00000000e64bccdb>] do_vfs_ioctl+0x62a/0x810 fs/ioctl.c:696
    [<0000000006f6e8c2>] ksys_ioctl+0x86/0xb0 fs/ioctl.c:713
    [<000000001731edda>] __do_sys_ioctl fs/ioctl.c:720 [inline]
    [<000000001731edda>] __se_sys_ioctl fs/ioctl.c:718 [inline]
    [<000000001731edda>] __x64_sys_ioctl+0x1e/0x30 fs/ioctl.c:718
    [<00000000478d0492>] do_syscall_64+0x73/0x220 arch/x86/entry/common.c:294
    [<00000000cadf6ce5>] entry_SYSCALL_64_after_hwframe+0x44/0xa9