executing program executing program executing program executing program BUG: memory leak unreferenced object 0xffff888119419de0 (size 32): comm "syz-executor912", pid 7267, jiffies 4294942376 (age 20.800s) hex dump (first 32 bytes): 01 00 6d 61 62 75 66 3a 00 00 00 00 00 00 00 00 ..mabuf:........ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<00000000cf57554e>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<00000000cf57554e>] slab_post_alloc_hook mm/slab.h:586 [inline] [<00000000cf57554e>] slab_alloc mm/slab.c:3320 [inline] [<00000000cf57554e>] __do_kmalloc mm/slab.c:3654 [inline] [<00000000cf57554e>] __kmalloc_track_caller+0x165/0x300 mm/slab.c:3671 [<00000000e7a71727>] memdup_user+0x26/0xc0 mm/util.c:172 [<0000000050be1e53>] strndup_user+0x62/0x80 mm/util.c:231 [<0000000018586285>] dma_buf_set_name drivers/dma-buf/dma-buf.c:331 [inline] [<0000000018586285>] dma_buf_ioctl+0x60/0x1e0 drivers/dma-buf/dma-buf.c:391 [<000000007a144c0f>] vfs_ioctl fs/ioctl.c:47 [inline] [<000000007a144c0f>] file_ioctl fs/ioctl.c:545 [inline] [<000000007a144c0f>] do_vfs_ioctl+0x551/0x890 fs/ioctl.c:732 [<000000007362d541>] ksys_ioctl+0x86/0xb0 fs/ioctl.c:749 [<00000000d4b8427a>] __do_sys_ioctl fs/ioctl.c:756 [inline] [<00000000d4b8427a>] __se_sys_ioctl fs/ioctl.c:754 [inline] [<00000000d4b8427a>] __x64_sys_ioctl+0x1e/0x30 fs/ioctl.c:754 [<0000000017c98b6f>] do_syscall_64+0x73/0x220 arch/x86/entry/common.c:294 [<00000000b80ae668>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff88811a56bec0 (size 32): comm "syz-executor912", pid 7269, jiffies 4294943555 (age 9.010s) hex dump (first 32 bytes): 01 00 6d 61 62 75 66 3a 00 00 00 00 00 00 00 00 ..mabuf:........ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<00000000cf57554e>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<00000000cf57554e>] slab_post_alloc_hook mm/slab.h:586 [inline] [<00000000cf57554e>] slab_alloc mm/slab.c:3320 [inline] [<00000000cf57554e>] __do_kmalloc mm/slab.c:3654 [inline] [<00000000cf57554e>] __kmalloc_track_caller+0x165/0x300 mm/slab.c:3671 [<00000000e7a71727>] memdup_user+0x26/0xc0 mm/util.c:172 [<0000000050be1e53>] strndup_user+0x62/0x80 mm/util.c:231 [<0000000018586285>] dma_buf_set_name drivers/dma-buf/dma-buf.c:331 [inline] [<0000000018586285>] dma_buf_ioctl+0x60/0x1e0 drivers/dma-buf/dma-buf.c:391 [<000000007a144c0f>] vfs_ioctl fs/ioctl.c:47 [inline] [<000000007a144c0f>] file_ioctl fs/ioctl.c:545 [inline] [<000000007a144c0f>] do_vfs_ioctl+0x551/0x890 fs/ioctl.c:732 [<000000007362d541>] ksys_ioctl+0x86/0xb0 fs/ioctl.c:749 [<00000000d4b8427a>] __do_sys_ioctl fs/ioctl.c:756 [inline] [<00000000d4b8427a>] __se_sys_ioctl fs/ioctl.c:754 [inline] [<00000000d4b8427a>] __x64_sys_ioctl+0x1e/0x30 fs/ioctl.c:754 [<0000000017c98b6f>] do_syscall_64+0x73/0x220 arch/x86/entry/common.c:294 [<00000000b80ae668>] entry_SYSCALL_64_after_hwframe+0x44/0xa9