executing program executing program executing program executing program executing program BUG: memory leak unreferenced object 0xffff888114034680 (size 32): comm "syz-executor110", pid 6894, jiffies 4294947136 (age 13.580s) 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: [<00000000d259834b>] kmemleak_alloc_recursive /./include/linux/kmemleak.h:43 [inline] [<00000000d259834b>] slab_post_alloc_hook /mm/slab.h:522 [inline] [<00000000d259834b>] slab_alloc /mm/slab.c:3319 [inline] [<00000000d259834b>] __do_kmalloc /mm/slab.c:3653 [inline] [<00000000d259834b>] __kmalloc_track_caller+0x165/0x300 /mm/slab.c:3670 [<00000000ab207ec1>] memdup_user+0x26/0xa0 /mm/util.c:165 [<00000000c0909d36>] strndup_user+0x62/0x80 /mm/util.c:224 [<00000000a34a2d25>] dma_buf_set_name /drivers/dma-buf/dma-buf.c:331 [inline] [<00000000a34a2d25>] dma_buf_ioctl+0x60/0x1b0 /drivers/dma-buf/dma-buf.c:391 [<00000000d7817662>] vfs_ioctl /fs/ioctl.c:46 [inline] [<00000000d7817662>] file_ioctl /fs/ioctl.c:509 [inline] [<00000000d7817662>] do_vfs_ioctl+0x62a/0x810 /fs/ioctl.c:696 [<00000000d24a671a>] ksys_ioctl+0x86/0xb0 /fs/ioctl.c:713 [<00000000bd810f5d>] __do_sys_ioctl /fs/ioctl.c:720 [inline] [<00000000bd810f5d>] __se_sys_ioctl /fs/ioctl.c:718 [inline] [<00000000bd810f5d>] __x64_sys_ioctl+0x1e/0x30 /fs/ioctl.c:718 [<000000005a8e86d5>] do_syscall_64+0x76/0x1a0 /arch/x86/entry/common.c:296 [<000000007d83529f>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888113b044a0 (size 32): comm "syz-executor110", pid 6895, jiffies 4294947728 (age 7.660s) 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: [<00000000d259834b>] kmemleak_alloc_recursive /./include/linux/kmemleak.h:43 [inline] [<00000000d259834b>] slab_post_alloc_hook /mm/slab.h:522 [inline] [<00000000d259834b>] slab_alloc /mm/slab.c:3319 [inline] [<00000000d259834b>] __do_kmalloc /mm/slab.c:3653 [inline] [<00000000d259834b>] __kmalloc_track_caller+0x165/0x300 /mm/slab.c:3670 [<00000000ab207ec1>] memdup_user+0x26/0xa0 /mm/util.c:165 [<00000000c0909d36>] strndup_user+0x62/0x80 /mm/util.c:224 [<00000000a34a2d25>] dma_buf_set_name /drivers/dma-buf/dma-buf.c:331 [inline] [<00000000a34a2d25>] dma_buf_ioctl+0x60/0x1b0 /drivers/dma-buf/dma-buf.c:391 [<00000000d7817662>] vfs_ioctl /fs/ioctl.c:46 [inline] [<00000000d7817662>] file_ioctl /fs/ioctl.c:509 [inline] [<00000000d7817662>] do_vfs_ioctl+0x62a/0x810 /fs/ioctl.c:696 [<00000000d24a671a>] ksys_ioctl+0x86/0xb0 /fs/ioctl.c:713 [<00000000bd810f5d>] __do_sys_ioctl /fs/ioctl.c:720 [inline] [<00000000bd810f5d>] __se_sys_ioctl /fs/ioctl.c:718 [inline] [<00000000bd810f5d>] __x64_sys_ioctl+0x1e/0x30 /fs/ioctl.c:718 [<000000005a8e86d5>] do_syscall_64+0x76/0x1a0 /arch/x86/entry/common.c:296 [<000000007d83529f>] entry_SYSCALL_64_after_hwframe+0x44/0xa9