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: 21739 Comm: syz.8.4347 Tainted: G L syzkaller #0 PREEMPT(full)
Tainted: [L]=SOFTLOCKUP
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
RIP: 0010:ip6_create_rt_rcu+0x8f/0x5a0 net/ipv6/route.c:1227
Code: 87 b9 cf f7 48 89 e8 48 c1 e8 03 80 3c 18 00 0f 85 ce 04 00 00 48 b8 00 00 00 00 00 fc ff df 48 8b 5d 00 48 89 da 48 c1 ea 03 <80> 3c 02 00 0f 85 a2 04 00 00 48 8d 7d 08 4c 8b 3b 48 b8 00 00 00
RSP: 0018:ffffc90005adec30 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc90032a93000
RDX: 0000000000000000 RSI: ffffffff8a38e539 RDI: ffffc90005aded88
RBP: ffffc90005aded88 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000200 R11: 0000000000000000 R12: dffffc0000000000
R13: 1ffff92000b5bd88 R14: 0000000000000000 R15: 0000000000000200
FS: 00007f2e4a7a26c0(0000) GS:ffff8880d6344000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2e49a4eaeb CR3: 0000000000a81000 CR4: 0000000000352ef0
Call Trace:
<TASK>
ip6_pol_route_lookup+0xc90/0x1fa0 net/ipv6/route.c:1293
pol_lookup_func include/net/ip6_fib.h:617 [inline]
__fib6_rule_action net/ipv6/fib6_rules.c:237 [inline]
fib6_rule_action+0x7a0/0x910 net/ipv6/fib6_rules.c:275
fib_rules_lookup+0x418/0x1080 net/core/fib_rules.c:339
fib6_rule_lookup+0x18b/0x720 net/ipv6/fib6_rules.c:112
rt6_lookup+0x175/0x230 net/ipv6/route.c:1327
geneve_link_config.part.0+0x14b/0x5b0 drivers/net/geneve.c:2121
geneve_link_config include/net/rtnetlink.h:95 [inline]
geneve_newlink+0x334/0x390 drivers/net/geneve.c:2164
rtnl_newlink_create net/core/rtnetlink.c:3840 [inline]
__rtnl_newlink net/core/rtnetlink.c:3957 [inline]
rtnl_newlink+0x1494/0x2380 net/core/rtnetlink.c:4072
rtnetlink_rcv_msg+0x95e/0xe90 net/core/rtnetlink.c:6958
netlink_rcv_skb+0x159/0x420 net/netlink/af_netlink.c:2550
netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline]
netlink_unicast+0x5aa/0x870 net/netlink/af_netlink.c:1344
netlink_sendmsg+0x8b0/0xda0 net/netlink/af_netlink.c:1894
sock_sendmsg_nosec net/socket.c:727 [inline]
__sock_sendmsg net/socket.c:742 [inline]
____sys_sendmsg+0xa54/0xc30 net/socket.c:2592
___sys_sendmsg+0x190/0x1e0 net/socket.c:2646
__sys_sendmsg+0x170/0x220 net/socket.c:2678
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0x106/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f2e4999c799
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f2e4a7a2028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f2e49c15fa0 RCX: 00007f2e4999c799
RDX: 0000000000000000 RSI: 0000200000000240 RDI: 0000000000000006
RBP: 00007f2e49a32bd9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f2e49c16038 R14: 00007f2e49c15fa0 R15: 00007ffcec6c0ba8
</TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ip6_create_rt_rcu+0x8f/0x5a0 net/ipv6/route.c:1227
Code: 87 b9 cf f7 48 89 e8 48 c1 e8 03 80 3c 18 00 0f 85 ce 04 00 00 48 b8 00 00 00 00 00 fc ff df 48 8b 5d 00 48 89 da 48 c1 ea 03 <80> 3c 02 00 0f 85 a2 04 00 00 48 8d 7d 08 4c 8b 3b 48 b8 00 00 00
RSP: 0018:ffffc90005adec30 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc90032a93000
RDX: 0000000000000000 RSI: ffffffff8a38e539 RDI: ffffc90005aded88
RBP: ffffc90005aded88 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000200 R11: 0000000000000000 R12: dffffc0000000000
R13: 1ffff92000b5bd88 R14: 0000000000000000 R15: 0000000000000200
FS: 00007f2e4a7a26c0(0000) GS:ffff8880d6344000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2e49a4eaeb CR3: 0000000000a81000 CR4: 0000000000352ef0
----------------
Code disassembly (best guess):
0: 87 b9 cf f7 48 89 xchg %edi,-0x76b70831(%rcx)
6: e8 48 c1 e8 03 call 0x3e8c153
b: 80 3c 18 00 cmpb $0x0,(%rax,%rbx,1)
f: 0f 85 ce 04 00 00 jne 0x4e3
15: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax
1c: fc ff df
1f: 48 8b 5d 00 mov 0x0(%rbp),%rbx
23: 48 89 da mov %rbx,%rdx
26: 48 c1 ea 03 shr $0x3,%rdx
* 2a: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) <-- trapping instruction
2e: 0f 85 a2 04 00 00 jne 0x4d6
34: 48 8d 7d 08 lea 0x8(%rbp),%rdi
38: 4c 8b 3b mov (%rbx),%r15
3b: 48 rex.W
3c: b8 .byte 0xb8
3d: 00 00 add %al,(%rax)