executing program
executing program
BUG: memory leak
unreferenced object 0xffff88810a7023e0 (size 32):
  comm "syz-executor392", pid 7287, jiffies 4294944468 (age 13.620s)
  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:
    [<000000001e992a59>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
    [<000000001e992a59>] slab_post_alloc_hook mm/slab.h:586 [inline]
    [<000000001e992a59>] slab_alloc mm/slab.c:3320 [inline]
    [<000000001e992a59>] __do_kmalloc mm/slab.c:3654 [inline]
    [<000000001e992a59>] __kmalloc_track_caller+0x165/0x300 mm/slab.c:3671
    [<0000000043109ba2>] memdup_user+0x26/0xc0 mm/util.c:172
    [<000000004cbf39f9>] strndup_user+0x62/0x80 mm/util.c:231
    [<00000000b073d1cd>] dma_buf_set_name drivers/dma-buf/dma-buf.c:331 [inline]
    [<00000000b073d1cd>] dma_buf_ioctl+0x60/0x1e0 drivers/dma-buf/dma-buf.c:391
    [<0000000093c39737>] vfs_ioctl fs/ioctl.c:47 [inline]
    [<0000000093c39737>] ksys_ioctl+0xb4/0xe0 fs/ioctl.c:747
    [<00000000ca29cfb0>] __do_sys_ioctl fs/ioctl.c:756 [inline]
    [<00000000ca29cfb0>] __se_sys_ioctl fs/ioctl.c:754 [inline]
    [<00000000ca29cfb0>] __x64_sys_ioctl+0x1e/0x30 fs/ioctl.c:754
    [<0000000009dffb61>] do_syscall_64+0x73/0x220 arch/x86/entry/common.c:294
    [<0000000043948154>] entry_SYSCALL_64_after_hwframe+0x44/0xa9