executing program
executing program
BUG: memory leak
unreferenced object 0xffff8881141034a0 (size 32):
  comm "syz-executor049", pid 6971, jiffies 4294946617 (age 13.710s)
  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:
    [<00000000f928fb4a>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
    [<00000000f928fb4a>] slab_post_alloc_hook mm/slab.h:586 [inline]
    [<00000000f928fb4a>] slab_alloc mm/slab.c:3320 [inline]
    [<00000000f928fb4a>] __do_kmalloc mm/slab.c:3654 [inline]
    [<00000000f928fb4a>] __kmalloc_track_caller+0x165/0x300 mm/slab.c:3671
    [<0000000075222c38>] memdup_user+0x26/0xc0 mm/util.c:172
    [<00000000e760bbd6>] strndup_user+0x62/0x80 mm/util.c:231
    [<000000002b0ad5d4>] dma_buf_set_name drivers/dma-buf/dma-buf.c:331 [inline]
    [<000000002b0ad5d4>] dma_buf_ioctl+0x60/0x1e0 drivers/dma-buf/dma-buf.c:391
    [<00000000fa91be01>] vfs_ioctl fs/ioctl.c:47 [inline]
    [<00000000fa91be01>] ksys_ioctl+0xb4/0xe0 fs/ioctl.c:763
    [<0000000045274740>] __do_sys_ioctl fs/ioctl.c:772 [inline]
    [<0000000045274740>] __se_sys_ioctl fs/ioctl.c:770 [inline]
    [<0000000045274740>] __x64_sys_ioctl+0x1e/0x30 fs/ioctl.c:770
    [<0000000042a32800>] do_syscall_64+0x73/0x220 arch/x86/entry/common.c:294
    [<0000000097fadd16>] entry_SYSCALL_64_after_hwframe+0x44/0xa9