general protection fault, probably for non-canonical address 0xdffffc000000000a: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000050-0x0000000000000057] CPU: 1 PID: 22683 Comm: syz-executor.1 Not tainted 5.10.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:sco_sock_getsockopt+0x314/0x960 net/bluetooth/sco.c:1006 Code: 48 c1 ea 03 80 3c 02 00 0f 85 9f 05 00 00 49 8b 9e 00 05 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d 7b 50 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e 87 05 00 00 8b 43 50 48 8b 4c RSP: 0018:ffffc90007d57d80 EFLAGS: 00010206 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc9000b114000 RDX: 000000000000000a RSI: ffffffff87eea016 RDI: 0000000000000050 RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000001 R11: 1ffffffff1d09aec R12: 1ffff92000faafb2 R13: 0000000000000000 R14: ffff8880116ff000 R15: ffff8880577ee558 FS: 00007f7270f12700(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2f621000 CR3: 000000001ec37000 CR4: 00000000001506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __sys_getsockopt+0x219/0x4c0 net/socket.c:2173 __do_sys_getsockopt net/socket.c:2188 [inline] __se_sys_getsockopt net/socket.c:2185 [inline] __x64_sys_getsockopt+0xba/0x150 net/socket.c:2185 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x45e159 Code: 0d b4 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 db b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f7270f11c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000037 RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 000000000045e159 RDX: 000000000000000c RSI: 0000000000000112 RDI: 0000000000000004 RBP: 000000000119bfd0 R08: 0000000020000040 R09: 0000000000000000 R10: 0000000020000000 R11: 0000000000000246 R12: 000000000119bf8c R13: 00007fffaa559baf R14: 00007f7270f129c0 R15: 000000000119bf8c Modules linked in: ---[ end trace 1638442888cbec24 ]--- RIP: 0010:sco_sock_getsockopt+0x314/0x960 net/bluetooth/sco.c:1006 Code: 48 c1 ea 03 80 3c 02 00 0f 85 9f 05 00 00 49 8b 9e 00 05 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d 7b 50 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e 87 05 00 00 8b 43 50 48 8b 4c RSP: 0018:ffffc90007d57d80 EFLAGS: 00010206 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc9000b114000 RDX: 000000000000000a RSI: ffffffff87eea016 RDI: 0000000000000050 RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000001 R11: 1ffffffff1d09aec R12: 1ffff92000faafb2 R13: 0000000000000000 R14: ffff8880116ff000 R15: ffff8880577ee558 FS: 00007f7270f12700(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000119c020 CR3: 000000001ec37000 CR4: 00000000001506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400