Bluetooth: hci10: command 0x1009 tx timeout Bluetooth: hci11: command 0x1009 tx timeout Bluetooth: hci6: Frame reassembly failed (-84) Bluetooth: hci7: Frame reassembly failed (-84) Bluetooth: hci8: Frame reassembly failed (-84) BUG: unable to handle kernel paging request at ffffffffffffffd6 PGD 906b067 P4D 906b067 PUD 906d067 PMD 0 Oops: 0000 [#1] PREEMPT SMP KASAN Bluetooth: hci11: Frame reassembly failed (-84) CPU: 0 PID: 10155 Comm: syz-executor.2 Not tainted 4.18.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:h4_recv_buf+0x16a/0xb90 drivers/bluetooth/hci_h4.c:188 Code: 84 19 02 00 00 4d 8d 57 2a 4c 89 d0 48 c1 e8 03 42 0f b6 14 30 4c 89 d0 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 3c 07 00 00 <45> 0f b7 67 2a 4d 8d 9f 80 00 00 00 4c 89 d8 48 c1 e8 03 42 0f b6 RSP: 0018:ffff8800b32079e8 EFLAGS: 00010246 RAX: 0000000000000007 RBX: 0000000000000001 RCX: ffffffff885990b0 RDX: 0000000000000000 RSI: ffffffff885990a0 RDI: ffff880087837900 RBP: ffff8800b3207a80 R08: ffffffff885990a0 R09: 0000000000000003 R10: ffffffffffffffd6 R11: ffff8800ba63ea53 R12: ffff8800a0566c80 R13: ffff8800b3207b58 R14: dffffc0000000000 R15: ffffffffffffffac FS: 00007f281fe11700(0000) GS:ffff8800ba600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffd6 CR3: 0000000096586000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: h4_recv+0xc8/0x1d0 drivers/bluetooth/hci_h4.c:131 hci_uart_tty_receive+0x1ce/0x460 drivers/bluetooth/hci_ldisc.c:605 tiocsti drivers/tty/tty_io.c:2180 [inline] tty_ioctl+0x640/0x1280 drivers/tty/tty_io.c:2566 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:500 [inline] do_vfs_ioctl+0x196/0x1050 fs/ioctl.c:684 ksys_ioctl+0x62/0x90 fs/ioctl.c:701 __do_sys_ioctl fs/ioctl.c:708 [inline] __se_sys_ioctl fs/ioctl.c:706 [inline] __x64_sys_ioctl+0x6e/0xb0 fs/ioctl.c:706 do_syscall_64+0xda/0x540 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4665e9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f281fe11188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665e9 RDX: 00000000200000c0 RSI: 0000000000005412 RDI: 0000000000000003 RBP: 00000000004bfcc4 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80 R13: 00007fff3abf6b9f R14: 00007f281fe11300 R15: 0000000000022000 Modules linked in: CR2: ffffffffffffffd6 ---[ end trace d9ee30a6618466ab ]--- RIP: 0010:h4_recv_buf+0x16a/0xb90 drivers/bluetooth/hci_h4.c:188 Code: 84 19 02 00 00 4d 8d 57 2a 4c 89 d0 48 c1 e8 03 42 0f b6 14 30 4c 89 d0 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 3c 07 00 00 <45> 0f b7 67 2a 4d 8d 9f 80 00 00 00 4c 89 d8 48 c1 e8 03 42 0f b6 RSP: 0018:ffff8800b32079e8 EFLAGS: 00010246 RAX: 0000000000000007 RBX: 0000000000000001 RCX: ffffffff885990b0 RDX: 0000000000000000 RSI: ffffffff885990a0 RDI: ffff880087837900 RBP: ffff8800b3207a80 R08: ffffffff885990a0 R09: 0000000000000003 R10: ffffffffffffffd6 R11: ffff8800ba63ea53 R12: ffff8800a0566c80 R13: ffff8800b3207b58 R14: dffffc0000000000 R15: ffffffffffffffac FS: 00007f281fe11700(0000) GS:ffff8800ba600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffd6 CR3: 0000000096586000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 84 19 test %bl,(%rcx) 2: 02 00 add (%rax),%al 4: 00 4d 8d add %cl,-0x73(%rbp) 7: 57 push %rdi 8: 2a 4c 89 d0 sub -0x30(%rcx,%rcx,4),%cl c: 48 c1 e8 03 shr $0x3,%rax 10: 42 0f b6 14 30 movzbl (%rax,%r14,1),%edx 15: 4c 89 d0 mov %r10,%rax 18: 83 e0 07 and $0x7,%eax 1b: 83 c0 01 add $0x1,%eax 1e: 38 d0 cmp %dl,%al 20: 7c 08 jl 0x2a 22: 84 d2 test %dl,%dl 24: 0f 85 3c 07 00 00 jne 0x766 2a: 45 0f b7 67 2a movzwl 0x2a(%r15),%r12d <-- trapping instruction 2f: 4d 8d 9f 80 00 00 00 lea 0x80(%r15),%r11 36: 4c 89 d8 mov %r11,%rax 39: 48 c1 e8 03 shr $0x3,%rax 3d: 42 rex.X 3e: 0f .byte 0xf 3f: b6 .byte 0xb6