general protection fault, probably for non-canonical address 0xdffffc000000008f: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000478-0x000000000000047f]
CPU: 0 PID: 1291 Comm: syz-executor.2 Not tainted 5.16.0-syzkaller-11615-ge91d280c840f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:inet_ctl_sock_destroy include/net/inet_common.h:65 [inline]
RIP: 0010:icmpv6_sk_exit+0x136/0x240 net/ipv6/icmp.c:1042
Code: c2 48 c1 ea 03 80 3c 1a 00 0f 85 9f 00 00 00 4c 8b 38 4d 85 ff 74 89 e8 e8 07 86 f9 49 8d bf 78 04 00 00 48 89 fa 48 c1 ea 03 <80> 3c 1a 00 0f 85 e3 00 00 00 49 8b bf 78 04 00 00 e8 14 02 32 ff
RSP: 0018:ffffc90000cd7940 EFLAGS: 00010202
RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000000000
RDX: 000000000000008f RSI: ffffffff87f24db8 RDI: 000000000000047a
RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff8fdeca0f
R10: ffffffff87f24d5b R11: 0000000000000000 R12: 0000000000000002
R13: 0000607f460385f0 R14: ffff888011b94f80 R15: 0000000000000002
FS:  00007f5493c7c700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd5ac7cc990 CR3: 000000007da8c000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 <TASK>
 ops_exit_list+0xb0/0x170 net/core/net_namespace.c:168
 setup_net+0x779/0xbb0 net/core/net_namespace.c:354
 copy_net_ns+0x318/0x760 net/core/net_namespace.c:475
 create_new_namespaces+0x3f6/0xb20 kernel/nsproxy.c:110
 copy_namespaces+0x391/0x450 kernel/nsproxy.c:178
 copy_process+0x2e0c/0x7300 kernel/fork.c:2167
 kernel_clone+0xe7/0xab0 kernel/fork.c:2555
 __do_sys_clone+0xc8/0x110 kernel/fork.c:2672
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f5495307059
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f5493c7c118 EFLAGS: 00000206 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007f5495419f60 RCX: 00007f5495307059
RDX: 0000000020000000 RSI: 0000000000000000 RDI: 0000000040000000
RBP: 00007f549536108d R08: 0000000020000080 R09: 0000000020000080
R10: 0000000020000040 R11: 0000000000000206 R12: 0000000000000000
R13: 00007ffff872ebaf R14: 00007f5493c7c300 R15: 0000000000022000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:inet_ctl_sock_destroy include/net/inet_common.h:65 [inline]
RIP: 0010:icmpv6_sk_exit+0x136/0x240 net/ipv6/icmp.c:1042
Code: c2 48 c1 ea 03 80 3c 1a 00 0f 85 9f 00 00 00 4c 8b 38 4d 85 ff 74 89 e8 e8 07 86 f9 49 8d bf 78 04 00 00 48 89 fa 48 c1 ea 03 <80> 3c 1a 00 0f 85 e3 00 00 00 49 8b bf 78 04 00 00 e8 14 02 32 ff
RSP: 0018:ffffc90000cd7940 EFLAGS: 00010202
RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000000000
RDX: 000000000000008f RSI: ffffffff87f24db8 RDI: 000000000000047a
RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff8fdeca0f
R10: ffffffff87f24d5b R11: 0000000000000000 R12: 0000000000000002
R13: 0000607f460385f0 R14: ffff888011b94f80 R15: 0000000000000002
FS:  00007f5493c7c700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd5ac85e600 CR3: 000000007da8c000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess), 1 bytes skipped:
   0:	48 c1 ea 03          	shr    $0x3,%rdx
   4:	80 3c 1a 00          	cmpb   $0x0,(%rdx,%rbx,1)
   8:	0f 85 9f 00 00 00    	jne    0xad
   e:	4c 8b 38             	mov    (%rax),%r15
  11:	4d 85 ff             	test   %r15,%r15
  14:	74 89                	je     0xffffff9f
  16:	e8 e8 07 86 f9       	callq  0xf9860803
  1b:	49 8d bf 78 04 00 00 	lea    0x478(%r15),%rdi
  22:	48 89 fa             	mov    %rdi,%rdx
  25:	48 c1 ea 03          	shr    $0x3,%rdx
* 29:	80 3c 1a 00          	cmpb   $0x0,(%rdx,%rbx,1) <-- trapping instruction
  2d:	0f 85 e3 00 00 00    	jne    0x116
  33:	49 8b bf 78 04 00 00 	mov    0x478(%r15),%rdi
  3a:	e8 14 02 32 ff       	callq  0xff320253