kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 20008 Comm: syz-executor.5 Not tainted 5.2.0+ #67 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:rfcomm_dlc_get net/bluetooth/rfcomm/core.c:360 [inline] RIP: 0010:__rfcomm_dlc_open net/bluetooth/rfcomm/core.c:396 [inline] RIP: 0010:rfcomm_dlc_open+0x28a/0xd80 net/bluetooth/rfcomm/core.c:431 Code: 9d 50 ff ff ff 74 67 e8 b4 cf f7 fa 48 8d bb 44 01 00 00 48 b9 00 00 00 00 00 fc ff df 48 89 f8 48 89 fa 48 c1 e8 03 83 e2 07 <0f> b6 04 08 38 d0 7f 08 84 c0 0f 85 fe 09 00 00 0f b6 b3 44 01 00 RSP: 0018:ffff8880689ffc88 EFLAGS: 00010202 RAX: 0000000217e02e9a RBX: 00000010bf01738d RCX: dffffc0000000000 RDX: 0000000000000001 RSI: ffffffff867ab52c RDI: 00000010bf0174d1 RBP: ffff8880689ffd60 R08: ffff888099ca6380 R09: fffffbfff1314cf1 R10: ffff8880689ffc78 R11: ffffffff898a6787 R12: ffff88808c0e7d00 R13: ffff88809bc6c300 R14: 1ffff1100d13ff97 R15: 00000000867ab40d FS: 00007fb70d1c1700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000625208 CR3: 00000000a52a3000 CR4: 00000000001406e0 Call Trace: rfcomm_sock_connect+0x38a/0x4b0 net/bluetooth/rfcomm/sock.c:416 __sys_connect+0x264/0x330 net/socket.c:1828 __do_sys_connect net/socket.c:1839 [inline] __se_sys_connect net/socket.c:1836 [inline] __x64_sys_connect+0x73/0xb0 net/socket.c:1836 do_syscall_64+0xfd/0x6a0 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x459829 Code: fd b7 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 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fb70d1c0c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002a RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459829 RDX: 000000000000000e RSI: 0000000020000040 RDI: 0000000000000004 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb70d1c16d4 R13: 00000000004bfd0a R14: 00000000004d19d0 R15: 00000000ffffffff Modules linked in: ---[ end trace f65151c7b5b7601c ]--- RIP: 0010:rfcomm_dlc_get net/bluetooth/rfcomm/core.c:360 [inline] RIP: 0010:__rfcomm_dlc_open net/bluetooth/rfcomm/core.c:396 [inline] RIP: 0010:rfcomm_dlc_open+0x28a/0xd80 net/bluetooth/rfcomm/core.c:431 Code: 9d 50 ff ff ff 74 67 e8 b4 cf f7 fa 48 8d bb 44 01 00 00 48 b9 00 00 00 00 00 fc ff df 48 89 f8 48 89 fa 48 c1 e8 03 83 e2 07 <0f> b6 04 08 38 d0 7f 08 84 c0 0f 85 fe 09 00 00 0f b6 b3 44 01 00 RSP: 0018:ffff8880689ffc88 EFLAGS: 00010202 RAX: 0000000217e02e9a RBX: 00000010bf01738d RCX: dffffc0000000000 RDX: 0000000000000001 RSI: ffffffff867ab52c RDI: 00000010bf0174d1 RBP: ffff8880689ffd60 R08: ffff888099ca6380 R09: fffffbfff1314cf1 R10: ffff8880689ffc78 R11: ffffffff898a6787 R12: ffff88808c0e7d00 R13: ffff88809bc6c300 R14: 1ffff1100d13ff97 R15: 00000000867ab40d FS: 00007fb70d1c1700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb70d17edb8 CR3: 00000000a52a3000 CR4: 00000000001406f0