Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 0 UID: 0 PID: 11916 Comm: syz.3.1465 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:hlist_add_before_rcu include/linux/rculist.h:705 [inline]
RIP: 0010:xfrm_state_find+0x6992/0x84c0 net/xfrm/xfrm_state.c:1574
Code: 03 48 c1 e2 2a 80 3c 11 00 0f 85 76 14 00 00 48 8b 85 98 fe ff ff ba ff ff 37 00 48 c1 e2 2a 4c 8b 70 30 4c 89 f1 48 c1 e9 03 <80> 3c 11 00 0f 85 44 14 00 00 4c 89 ea b8 ff ff 37 00 4d 89 26 48
RSP: 0018:ffffc9000c116f78 EFLAGS: 00010246
RAX: ffff88805c2a4880 RBX: ffff888052c18440 RCX: 0000000000000000
RDX: dffffc0000000000 RSI: 1ffff1100b854916 RDI: 0000000000000001
RBP: ffffc9000c1171a8 R08: 0000000000000001 R09: 0000000000000008
R10: 0000000000000000 R11: 0000000000000000 R12: ffff88805c2a48a8
R13: ffff888052c18470 R14: 0000000000000000 R15: ffff888052c18468
FS:  00007f751e95c6c0(0000) GS:ffff8881246b9000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c37cc0a CR3: 0000000034a06000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 xfrm_tmpl_resolve_one net/xfrm/xfrm_policy.c:2522 [inline]
 xfrm_tmpl_resolve net/xfrm/xfrm_policy.c:2573 [inline]
 xfrm_resolve_and_create_bundle+0x4cd/0x3740 net/xfrm/xfrm_policy.c:2871
 xfrm_lookup_with_ifid+0x2a0/0x1e40 net/xfrm/xfrm_policy.c:3205
 xfrm_lookup net/xfrm/xfrm_policy.c:3336 [inline]
 xfrm_lookup_route+0x3b/0x200 net/xfrm/xfrm_policy.c:3347
 ip6_dst_lookup_flow+0x15c/0x1d0 net/ipv6/ip6_output.c:1268
 rawv6_sendmsg+0xe85/0x4820 net/ipv6/raw.c:893
 inet_sendmsg+0x11c/0x140 net/ipv4/af_inet.c:851
 sock_sendmsg_nosec net/socket.c:714 [inline]
 __sock_sendmsg net/socket.c:729 [inline]
 ____sys_sendmsg+0x973/0xc70 net/socket.c:2614
 ___sys_sendmsg+0x134/0x1d0 net/socket.c:2668
 __sys_sendmmsg+0x200/0x420 net/socket.c:2757
 __do_sys_sendmmsg net/socket.c:2784 [inline]
 __se_sys_sendmmsg net/socket.c:2781 [inline]
 __x64_sys_sendmmsg+0x9c/0x100 net/socket.c:2781
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f751db8ebe9
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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f751e95c038 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 00007f751ddb5fa0 RCX: 00007f751db8ebe9
RDX: 00000000000002e9 RSI: 0000200000000480 RDI: 0000000000000006
RBP: 00007f751dc11e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f751ddb6038 R14: 00007f751ddb5fa0 R15: 00007fff2f8d6ef8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:hlist_add_before_rcu include/linux/rculist.h:705 [inline]
RIP: 0010:xfrm_state_find+0x6992/0x84c0 net/xfrm/xfrm_state.c:1574
Code: 03 48 c1 e2 2a 80 3c 11 00 0f 85 76 14 00 00 48 8b 85 98 fe ff ff ba ff ff 37 00 48 c1 e2 2a 4c 8b 70 30 4c 89 f1 48 c1 e9 03 <80> 3c 11 00 0f 85 44 14 00 00 4c 89 ea b8 ff ff 37 00 4d 89 26 48
RSP: 0018:ffffc9000c116f78 EFLAGS: 00010246
RAX: ffff88805c2a4880 RBX: ffff888052c18440 RCX: 0000000000000000
RDX: dffffc0000000000 RSI: 1ffff1100b854916 RDI: 0000000000000001
RBP: ffffc9000c1171a8 R08: 0000000000000001 R09: 0000000000000008
R10: 0000000000000000 R11: 0000000000000000 R12: ffff88805c2a48a8
R13: ffff888052c18470 R14: 0000000000000000 R15: ffff888052c18468
FS:  00007f751e95c6c0(0000) GS:ffff8881246b9000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c37cc0a CR3: 0000000034a06000 CR4: 00000000003526f0
----------------
Code disassembly (best guess):
   0:	03 48 c1             	add    -0x3f(%rax),%ecx
   3:	e2 2a                	loop   0x2f
   5:	80 3c 11 00          	cmpb   $0x0,(%rcx,%rdx,1)
   9:	0f 85 76 14 00 00    	jne    0x1485
   f:	48 8b 85 98 fe ff ff 	mov    -0x168(%rbp),%rax
  16:	ba ff ff 37 00       	mov    $0x37ffff,%edx
  1b:	48 c1 e2 2a          	shl    $0x2a,%rdx
  1f:	4c 8b 70 30          	mov    0x30(%rax),%r14
  23:	4c 89 f1             	mov    %r14,%rcx
  26:	48 c1 e9 03          	shr    $0x3,%rcx
* 2a:	80 3c 11 00          	cmpb   $0x0,(%rcx,%rdx,1) <-- trapping instruction
  2e:	0f 85 44 14 00 00    	jne    0x1478
  34:	4c 89 ea             	mov    %r13,%rdx
  37:	b8 ff ff 37 00       	mov    $0x37ffff,%eax
  3c:	4d 89 26             	mov    %r12,(%r14)
  3f:	48                   	rex.W