executing program
executing program
BUG: memory leak
unreferenced object 0xffff88811c8b2a60 (size 32):
  comm "syz-executor198", pid 7128, jiffies 4294943243 (age 14.180s)
  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:
    [<0000000080c64192>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
    [<0000000080c64192>] slab_post_alloc_hook mm/slab.h:586 [inline]
    [<0000000080c64192>] slab_alloc mm/slab.c:3319 [inline]
    [<0000000080c64192>] __do_kmalloc mm/slab.c:3653 [inline]
    [<0000000080c64192>] __kmalloc_track_caller+0x165/0x300 mm/slab.c:3670
    [<0000000001959f42>] memdup_user+0x26/0xa0 mm/util.c:172
    [<00000000a899ae9c>] strndup_user+0x62/0x80 mm/util.c:231
    [<0000000007755bdc>] dma_buf_set_name drivers/dma-buf/dma-buf.c:331 [inline]
    [<0000000007755bdc>] dma_buf_ioctl+0x60/0x1e0 drivers/dma-buf/dma-buf.c:391
    [<00000000158acba0>] vfs_ioctl fs/ioctl.c:46 [inline]
    [<00000000158acba0>] file_ioctl fs/ioctl.c:509 [inline]
    [<00000000158acba0>] do_vfs_ioctl+0x62a/0x810 fs/ioctl.c:696
    [<000000003270814a>] ksys_ioctl+0x86/0xb0 fs/ioctl.c:713
    [<000000008d07e1a1>] __do_sys_ioctl fs/ioctl.c:720 [inline]
    [<000000008d07e1a1>] __se_sys_ioctl fs/ioctl.c:718 [inline]
    [<000000008d07e1a1>] __x64_sys_ioctl+0x1e/0x30 fs/ioctl.c:718
    [<000000000a24e746>] do_syscall_64+0x73/0x1f0 arch/x86/entry/common.c:290
    [<000000007ddc0eb0>] entry_SYSCALL_64_after_hwframe+0x44/0xa9