kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access Bluetooth: Invalid header checksum Bluetooth: Invalid header checksum general protection fault: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 24005 Comm: syz-executor.2 Not tainted 4.19.114-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:skb_put+0x2d/0x1c0 net/core/skbuff.c:1697 Code: 56 41 55 41 54 41 89 f4 55 48 89 fd 4c 8d ad c8 00 00 00 53 e8 34 5d d0 fb 4c 89 ea 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <0f> b6 14 02 4c 89 e8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 42 RSP: 0018:ffff88808c29fa70 EFLAGS: 00010202 Bluetooth: Invalid esc byte 0x00 RAX: dffffc0000000000 RBX: ffff88808c29fc28 RCX: ffffc9000a11b000 RDX: 0000000000000019 RSI: ffffffff8597473c RDI: 0000000000000000 RBP: 0000000000000000 R08: ffff88804a45a640 R09: ffffed1015cc4733 R10: ffffed1015cc4732 R11: ffff8880ae623993 R12: 0000000000000001 R13: 00000000000000c8 R14: dffffc0000000000 R15: 0000000000000004 FS: 00007f7166fce700(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000076c000 CR3: 0000000038572000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: skb_put_data include/linux/skbuff.h:2111 [inline] h5_unslip_one_byte drivers/bluetooth/hci_h5.c:534 [inline] h5_recv+0x35d/0x460 drivers/bluetooth/hci_h5.c:570 hci_uart_tty_receive+0x21d/0x520 drivers/bluetooth/hci_ldisc.c:620 tiocsti drivers/tty/tty_io.c:2194 [inline] tty_ioctl+0xe0a/0x1420 drivers/tty/tty_io.c:2580 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:501 [inline] do_vfs_ioctl+0xcda/0x12e0 fs/ioctl.c:688 ksys_ioctl+0x9b/0xc0 fs/ioctl.c:705 __do_sys_ioctl fs/ioctl.c:712 [inline] __se_sys_ioctl fs/ioctl.c:710 [inline] __x64_sys_ioctl+0x6f/0xb0 fs/ioctl.c:710 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45c889 Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f7166fcdc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f7166fce6d4 RCX: 000000000045c889 RDX: 0000000020000140 RSI: 0000000000005412 RDI: 0000000000000003 RBP: 000000000076bfa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 0000000000000582 R14: 00000000004c81b7 R15: 000000000076bfac Modules linked in: Bluetooth: Too short H5 packet Bluetooth: Invalid header checksum Bluetooth: Invalid header checksum Bluetooth: Invalid header checksum ---[ end trace 9263d6931eb49a24 ]--- RIP: 0010:skb_put+0x2d/0x1c0 net/core/skbuff.c:1697 Code: 56 41 55 41 54 41 89 f4 55 48 89 fd 4c 8d ad c8 00 00 00 53 e8 34 5d d0 fb 4c 89 ea 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <0f> b6 14 02 4c 89 e8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 42 Bluetooth: Invalid header checksum Bluetooth: Invalid header checksum RSP: 0018:ffff88808c29fa70 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: ffff88808c29fc28 RCX: ffffc9000a11b000 RDX: 0000000000000019 RSI: ffffffff8597473c RDI: 0000000000000000 RBP: 0000000000000000 R08: ffff88804a45a640 R09: ffffed1015cc4733 R10: ffffed1015cc4732 R11: ffff8880ae623993 R12: 0000000000000001 R13: 00000000000000c8 R14: dffffc0000000000 R15: 0000000000000004 Bluetooth: Invalid header checksum Bluetooth: Invalid header checksum FS: 00007f7166fce700(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000742a30 CR3: 0000000038572000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400