2019/12/13 06:18:58 executed programs: 24 BUG: memory leak unreferenced object 0xffff888107a35800 (size 224): comm "syz-executor.1", pid 7331, jiffies 4295052011 (age 28.520s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<00000000b0f5b7d9>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<00000000b0f5b7d9>] slab_post_alloc_hook mm/slab.h:586 [inline] [<00000000b0f5b7d9>] slab_alloc_node mm/slab.c:3263 [inline] [<00000000b0f5b7d9>] kmem_cache_alloc_node+0x163/0x2f0 mm/slab.c:3575 [<000000009863c804>] __alloc_skb+0x6e/0x210 net/core/skbuff.c:197 [<000000007154be89>] alloc_skb include/linux/skbuff.h:1049 [inline] [<000000007154be89>] bt_skb_alloc include/net/bluetooth/bluetooth.h:339 [inline] [<000000007154be89>] h4_recv_buf+0x26d/0x450 drivers/bluetooth/hci_h4.c:182 [<000000009fd2d97f>] h4_recv+0x51/0xb0 drivers/bluetooth/hci_h4.c:116 [<0000000042671ea4>] hci_uart_tty_receive+0xba/0x200 drivers/bluetooth/hci_ldisc.c:613 [<0000000097aaf96b>] tiocsti drivers/tty/tty_io.c:2200 [inline] [<0000000097aaf96b>] tty_ioctl+0x81c/0xa30 drivers/tty/tty_io.c:2576 [<0000000037091297>] vfs_ioctl fs/ioctl.c:47 [inline] [<0000000037091297>] file_ioctl fs/ioctl.c:545 [inline] [<0000000037091297>] do_vfs_ioctl+0x551/0x890 fs/ioctl.c:732 [<00000000b3bbc924>] ksys_ioctl+0x86/0xb0 fs/ioctl.c:749 [<00000000e2fbe182>] __do_sys_ioctl fs/ioctl.c:756 [inline] [<00000000e2fbe182>] __se_sys_ioctl fs/ioctl.c:754 [inline] [<00000000e2fbe182>] __x64_sys_ioctl+0x1e/0x30 fs/ioctl.c:754 [<00000000a3cb113a>] do_syscall_64+0x73/0x220 arch/x86/entry/common.c:294 [<0000000051dab4d2>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff88811ccf6800 (size 1024): comm "syz-executor.1", pid 7331, jiffies 4295052011 (age 28.520s) hex dump (first 32 bytes): 23 32 30 31 39 2f 31 32 2f 31 33 20 30 36 3a 31 #2019/12/13 06:1 38 3a 33 31 23 20 70 72 6f 66 69 6c 65 3d 30 20 8:31# profile=0 backtrace: [<00000000b55f7689>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<00000000b55f7689>] slab_post_alloc_hook mm/slab.h:586 [inline] [<00000000b55f7689>] slab_alloc_node mm/slab.c:3263 [inline] [<00000000b55f7689>] kmem_cache_alloc_node_trace+0x161/0x2f0 mm/slab.c:3593 [<00000000dc7b1720>] __do_kmalloc_node mm/slab.c:3615 [inline] [<00000000dc7b1720>] __kmalloc_node_track_caller+0x38/0x50 mm/slab.c:3630 [<000000008931c741>] __kmalloc_reserve.isra.0+0x40/0xb0 net/core/skbuff.c:141 [<000000007ae02334>] __alloc_skb+0xa0/0x210 net/core/skbuff.c:209 [<000000007154be89>] alloc_skb include/linux/skbuff.h:1049 [inline] [<000000007154be89>] bt_skb_alloc include/net/bluetooth/bluetooth.h:339 [inline] [<000000007154be89>] h4_recv_buf+0x26d/0x450 drivers/bluetooth/hci_h4.c:182 [<000000009fd2d97f>] h4_recv+0x51/0xb0 drivers/bluetooth/hci_h4.c:116 [<0000000042671ea4>] hci_uart_tty_receive+0xba/0x200 drivers/bluetooth/hci_ldisc.c:613 [<0000000097aaf96b>] tiocsti drivers/tty/tty_io.c:2200 [inline] [<0000000097aaf96b>] tty_ioctl+0x81c/0xa30 drivers/tty/tty_io.c:2576 [<0000000037091297>] vfs_ioctl fs/ioctl.c:47 [inline] [<0000000037091297>] file_ioctl fs/ioctl.c:545 [inline] [<0000000037091297>] do_vfs_ioctl+0x551/0x890 fs/ioctl.c:732 [<00000000b3bbc924>] ksys_ioctl+0x86/0xb0 fs/ioctl.c:749 [<00000000e2fbe182>] __do_sys_ioctl fs/ioctl.c:756 [inline] [<00000000e2fbe182>] __se_sys_ioctl fs/ioctl.c:754 [inline] [<00000000e2fbe182>] __x64_sys_ioctl+0x1e/0x30 fs/ioctl.c:754 [<00000000a3cb113a>] do_syscall_64+0x73/0x220 arch/x86/entry/common.c:294 [<0000000051dab4d2>] entry_SYSCALL_64_after_hwframe+0x44/0xa9