executing program executing program executing program executing program BUG: memory leak unreferenced object 0xffff888106d17180 (size 32): comm "syz-executor349", pid 7265, jiffies 4294947054 (age 23.930s) 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: [<000000006fb73b0e>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<000000006fb73b0e>] slab_post_alloc_hook mm/slab.h:586 [inline] [<000000006fb73b0e>] slab_alloc mm/slab.c:3320 [inline] [<000000006fb73b0e>] __do_kmalloc mm/slab.c:3654 [inline] [<000000006fb73b0e>] __kmalloc_track_caller+0x165/0x300 mm/slab.c:3671 [<00000000874ec8a6>] memdup_user+0x26/0xc0 mm/util.c:172 [<00000000b1e3542a>] strndup_user+0x62/0x80 mm/util.c:231 [<00000000e04aa386>] dma_buf_set_name drivers/dma-buf/dma-buf.c:331 [inline] [<00000000e04aa386>] dma_buf_ioctl+0x60/0x1e0 drivers/dma-buf/dma-buf.c:391 [<000000001720fc98>] vfs_ioctl fs/ioctl.c:47 [inline] [<000000001720fc98>] file_ioctl fs/ioctl.c:545 [inline] [<000000001720fc98>] do_vfs_ioctl+0x551/0x890 fs/ioctl.c:732 [<000000004a018436>] ksys_ioctl+0x86/0xb0 fs/ioctl.c:749 [<000000006e949ada>] __do_sys_ioctl fs/ioctl.c:756 [inline] [<000000006e949ada>] __se_sys_ioctl fs/ioctl.c:754 [inline] [<000000006e949ada>] __x64_sys_ioctl+0x1e/0x30 fs/ioctl.c:754 [<0000000035425954>] do_syscall_64+0x73/0x220 arch/x86/entry/common.c:294 [<000000005124af4a>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888108473420 (size 32): comm "syz-executor349", pid 7266, jiffies 4294947579 (age 18.680s) 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: [<000000006fb73b0e>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<000000006fb73b0e>] slab_post_alloc_hook mm/slab.h:586 [inline] [<000000006fb73b0e>] slab_alloc mm/slab.c:3320 [inline] [<000000006fb73b0e>] __do_kmalloc mm/slab.c:3654 [inline] [<000000006fb73b0e>] __kmalloc_track_caller+0x165/0x300 mm/slab.c:3671 [<00000000874ec8a6>] memdup_user+0x26/0xc0 mm/util.c:172 [<00000000b1e3542a>] strndup_user+0x62/0x80 mm/util.c:231 [<00000000e04aa386>] dma_buf_set_name drivers/dma-buf/dma-buf.c:331 [inline] [<00000000e04aa386>] dma_buf_ioctl+0x60/0x1e0 drivers/dma-buf/dma-buf.c:391 [<000000001720fc98>] vfs_ioctl fs/ioctl.c:47 [inline] [<000000001720fc98>] file_ioctl fs/ioctl.c:545 [inline] [<000000001720fc98>] do_vfs_ioctl+0x551/0x890 fs/ioctl.c:732 [<000000004a018436>] ksys_ioctl+0x86/0xb0 fs/ioctl.c:749 [<000000006e949ada>] __do_sys_ioctl fs/ioctl.c:756 [inline] [<000000006e949ada>] __se_sys_ioctl fs/ioctl.c:754 [inline] [<000000006e949ada>] __x64_sys_ioctl+0x1e/0x30 fs/ioctl.c:754 [<0000000035425954>] do_syscall_64+0x73/0x220 arch/x86/entry/common.c:294 [<000000005124af4a>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff8881045b1d80 (size 32): comm "syz-executor349", pid 7268, jiffies 4294948618 (age 8.290s) 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: [<000000006fb73b0e>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<000000006fb73b0e>] slab_post_alloc_hook mm/slab.h:586 [inline] [<000000006fb73b0e>] slab_alloc mm/slab.c:3320 [inline] [<000000006fb73b0e>] __do_kmalloc mm/slab.c:3654 [inline] [<000000006fb73b0e>] __kmalloc_track_caller+0x165/0x300 mm/slab.c:3671 [<00000000874ec8a6>] memdup_user+0x26/0xc0 mm/util.c:172 [<00000000b1e3542a>] strndup_user+0x62/0x80 mm/util.c:231 [<00000000e04aa386>] dma_buf_set_name drivers/dma-buf/dma-buf.c:331 [inline] [<00000000e04aa386>] dma_buf_ioctl+0x60/0x1e0 drivers/dma-buf/dma-buf.c:391 [<000000001720fc98>] vfs_ioctl fs/ioctl.c:47 [inline] [<000000001720fc98>] file_ioctl fs/ioctl.c:545 [inline] [<000000001720fc98>] do_vfs_ioctl+0x551/0x890 fs/ioctl.c:732 [<000000004a018436>] ksys_ioctl+0x86/0xb0 fs/ioctl.c:749 [<000000006e949ada>] __do_sys_ioctl fs/ioctl.c:756 [inline] [<000000006e949ada>] __se_sys_ioctl fs/ioctl.c:754 [inline] [<000000006e949ada>] __x64_sys_ioctl+0x1e/0x30 fs/ioctl.c:754 [<0000000035425954>] do_syscall_64+0x73/0x220 arch/x86/entry/common.c:294 [<000000005124af4a>] entry_SYSCALL_64_after_hwframe+0x44/0xa9