executing program BUG: memory leak unreferenced object 0xffff88812b08d300 (size 224): comm "syz-executor234", pid 6529, jiffies 4294983435 (age 16.650s) 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: [<000000009fd853b8>] __alloc_skb+0x5e/0x250 net/core/skbuff.c:198 [<000000008453d22c>] alloc_skb include/linux/skbuff.h:1083 [inline] [<000000008453d22c>] bt_skb_alloc include/net/bluetooth/bluetooth.h:377 [inline] [<000000008453d22c>] h4_recv_buf+0x279/0x450 drivers/bluetooth/hci_h4.c:181 [<0000000084acc3fa>] ag6xx_recv+0x4d/0xb0 drivers/bluetooth/hci_ag6xx.c:108 [<00000000aeb8623c>] hci_uart_tty_receive+0xae/0x230 drivers/bluetooth/hci_ldisc.c:613 [<0000000076c9fa10>] tiocsti drivers/tty/tty_io.c:2196 [inline] [<0000000076c9fa10>] tty_ioctl+0x7ee/0xa30 drivers/tty/tty_io.c:2572 [<00000000632de313>] vfs_ioctl fs/ioctl.c:48 [inline] [<00000000632de313>] ksys_ioctl+0xa6/0xd0 fs/ioctl.c:753 [<000000002db9e013>] __do_sys_ioctl fs/ioctl.c:762 [inline] [<000000002db9e013>] __se_sys_ioctl fs/ioctl.c:760 [inline] [<000000002db9e013>] __x64_sys_ioctl+0x1a/0x20 fs/ioctl.c:760 [<000000003ea7d69b>] do_syscall_64+0x4c/0xe0 arch/x86/entry/common.c:384 [<0000000049a36152>] entry_SYSCALL_64_after_hwframe+0x44/0xa9