general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 1 PID: 17730 Comm: syz-executor.5 Not tainted 5.6.0-rc2-next-20200217-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:sco_sock_getsockopt+0x33a/0x910 net/bluetooth/sco.c:966
Code: df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 74 05 00 00 49 8b 9e b8 04 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 da 48 c1 ea 03 <80> 3c 02 00 0f 85 45 05 00 00 48 8b 3b e8 44 d1 f3 ff be c8 03 00
RSP: 0018:ffffc9000c127d40 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc90014819000
RDX: 0000000000000000 RSI: ffffffff87282cc0 RDI: ffff88803b1974b8
RBP: ffffc9000c127e00 R08: ffff888052ba22c0 R09: fffffbfff16a3f92
R10: fffffbfff16a3f91 R11: ffffffff8b51fc8f R12: 0000000000000000
R13: 1ffff92001824fab R14: ffff88803b197000 R15: 00000000000000b0
FS:  00007fd824e79700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b33a23000 CR3: 000000003e541000 CR4: 00000000001426e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 __sys_getsockopt+0x16d/0x310 net/socket.c:2175
 __do_sys_getsockopt net/socket.c:2190 [inline]
 __se_sys_getsockopt net/socket.c:2187 [inline]
 __x64_sys_getsockopt+0xbe/0x150 net/socket.c:2187
 do_syscall_64+0xfa/0x790 arch/x86/entry/common.c:294
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45c6c9
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:00007fd824e78c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000037
RAX: ffffffffffffffda RBX: 00007fd824e796d4 RCX: 000000000045c6c9
RDX: 000000000000000e RSI: 0000000000000084 RDI: 0000000000000008
RBP: 000000000076bf20 R08: 0000000020000080 R09: 0000000000000000
R10: 0000000020000480 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00000000000001d2 R14: 00000000004d2720 R15: 000000000076bf2c
Modules linked in:
---[ end trace ab64aa1002c3656f ]---
RIP: 0010:sco_sock_getsockopt+0x33a/0x910 net/bluetooth/sco.c:966
Code: df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 74 05 00 00 49 8b 9e b8 04 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 da 48 c1 ea 03 <80> 3c 02 00 0f 85 45 05 00 00 48 8b 3b e8 44 d1 f3 ff be c8 03 00
RSP: 0018:ffffc9000c127d40 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc90014819000
RDX: 0000000000000000 RSI: ffffffff87282cc0 RDI: ffff88803b1974b8
RBP: ffffc9000c127e00 R08: ffff888052ba22c0 R09: fffffbfff16a3f92
R10: fffffbfff16a3f91 R11: ffffffff8b51fc8f R12: 0000000000000000
R13: 1ffff92001824fab R14: ffff88803b197000 R15: 00000000000000b0
FS:  00007fd824e79700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7f3e0e8000 CR3: 000000003e541000 CR4: 00000000001426e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400