general protection fault, probably for non-canonical address 0xdffffc0004000809: 0000 [#1] PREEMPT SMP KASAN
KASAN: probably user-memory-access in range [0x0000000020004048-0x000000002000404f]
CPU: 1 PID: 8442 Comm: syz-executor.2 Not tainted 5.7.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:put_cmsg+0x138/0x3a0 net/core/scm.c:242
Code: 01 84 c0 74 06 0f 8e 42 02 00 00 f6 43 40 01 0f 85 f0 00 00 00 49 8d 7d 08 48 b8 00 00 00 00 00 fc ff df 48 89 f9 48 c1 e9 03 <0f> b6 04 01 84 c0 74 08 3c 03 0f 8e 72 01 00 00 49 8d 7d 0c 41 89
RSP: 0018:ffffc90009b5f9c0 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: ffffc90009b5faf0 RCX: 0000000004000809
RDX: 0000000000000008 RSI: 0000000000000029 RDI: 0000000020004048
RBP: 0000000000000004 R08: ffffc90009b5fab0 R09: 1ffff9200136bf67
R10: 0000000000018ff8 R11: 0000000000000000 R12: 1ffff9200136bf3c
R13: 0000000020004040 R14: 0000000000000014 R15: ffff88809ad54c98
FS:  00007f8c019c9700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000080 CR3: 00000000a2b03000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 do_ipv6_getsockopt.isra.5+0x1c53/0x2400 net/ipv6/ipv6_sockglue.c:1111
 ipv6_getsockopt+0xed/0x1c0 net/ipv6/ipv6_sockglue.c:1396
 __sys_getsockopt+0x114/0x280 net/socket.c:2172
 __do_sys_getsockopt net/socket.c:2187 [inline]
 __se_sys_getsockopt net/socket.c:2184 [inline]
 __x64_sys_getsockopt+0xb5/0x150 net/socket.c:2184
 do_syscall_64+0xc6/0x620 arch/x86/entry/common.c:295
 entry_SYSCALL_64_after_hwframe+0x49/0xb3
RIP: 0033:0x45c829
Code: 0d 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 db b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f8c019c8c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000037
RAX: ffffffffffffffda RBX: 00000000004de520 RCX: 000000000045c829
RDX: 0000000000000006 RSI: 0000000000000029 RDI: 0000000000000003
RBP: 000000000078bf00 R08: 0000000020000040 R09: 0000000000000000
R10: 0000000020004040 R11: 0000000000000246 R12: 00000000ffffffff
R13: 0000000000000165 R14: 00000000004c3e29 R15: 00007f8c019c96d4
Modules linked in:
---[ end trace afc7edbf8d5096bb ]---
RIP: 0010:put_cmsg+0x138/0x3a0 net/core/scm.c:242
Code: 01 84 c0 74 06 0f 8e 42 02 00 00 f6 43 40 01 0f 85 f0 00 00 00 49 8d 7d 08 48 b8 00 00 00 00 00 fc ff df 48 89 f9 48 c1 e9 03 <0f> b6 04 01 84 c0 74 08 3c 03 0f 8e 72 01 00 00 49 8d 7d 0c 41 89
RSP: 0018:ffffc90009b5f9c0 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: ffffc90009b5faf0 RCX: 0000000004000809
RDX: 0000000000000008 RSI: 0000000000000029 RDI: 0000000020004048
RBP: 0000000000000004 R08: ffffc90009b5fab0 R09: 1ffff9200136bf67
R10: 0000000000018ff8 R11: 0000000000000000 R12: 1ffff9200136bf3c
R13: 0000000020004040 R14: 0000000000000014 R15: ffff88809ad54c98
FS:  00007f8c019c9700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffedb7e2800 CR3: 00000000a2b03000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400