batman_adv: batadv0: Interface activated: batadv_slave_1
IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 6634 Comm: syz-executor421 Not tainted 4.19.127-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:read_pnet include/net/net_namespace.h:300 [inline]
RIP: 0010:xs_net include/net/xfrm.h:253 [inline]
RIP: 0010:xfrmi_decode_session+0x14a/0x780 net/xfrm/xfrm_interface.c:94
Code: 7c dc 10 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 f4 05 00 00 48 b8 00 00 00 00 00 fc ff df 49 8b 5c dc 10 48 89 da 48 c1 ea 03 <80> 3c 02 00 0f 85 c7 05 00 00 4c 8b 23 e8 44 58 31 fb e8 cf a8 42
RSP: 0018:ffff888080a2eff8 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff8624e667
RDX: 0000000000000000 RSI: ffffffff8624e164 RDI: ffff88809e959788
RBP: 0000000000000039 R08: ffff888089380500 R09: ffffed1015ce473b
R10: ffffed1015ce473a R11: ffff8880ae7239d3 R12: ffff88809e959780
R13: 000000000000003f R14: ffff888084d706c0 R15: 0000000000000000
FS:  00007f9720e50700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9720e4fe78 CR3: 00000000a0861000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 __xfrm_policy_check+0x1eb/0x2310 net/xfrm/xfrm_policy.c:2339
 __xfrm_policy_check2 include/net/xfrm.h:1201 [inline]
 xfrm_policy_check include/net/xfrm.h:1206 [inline]
 xfrm6_policy_check include/net/xfrm.h:1216 [inline]
 vti6_rcv+0x4f3/0x900 net/ipv6/ip6_vti.c:316
 xfrm6_esp_rcv+0xc8/0x220 net/ipv6/xfrm6_protocol.c:74
 ip6_input_finish+0x46f/0x1790 net/ipv6/ip6_input.c:395
 NF_HOOK include/linux/netfilter.h:289 [inline]
 ip6_input+0xcf/0x3c0 net/ipv6/ip6_input.c:438
 ip6_mc_input+0x403/0xa88 net/ipv6/ip6_input.c:515
 dst_input include/net/dst.h:453 [inline]
 ip6_rcv_finish+0x1d9/0x2f0 net/ipv6/ip6_input.c:76
 NF_HOOK include/linux/netfilter.h:289 [inline]
 ipv6_rcv+0x101/0x400 net/ipv6/ip6_input.c:283
 __netif_receive_skb_one_core+0x114/0x180 net/core/dev.c:4960
 __netif_receive_skb+0x27/0x1c0 net/core/dev.c:5072
 netif_receive_skb_internal+0xf9/0x400 net/core/dev.c:5162
 napi_frags_finish net/core/dev.c:5689 [inline]
 napi_gro_frags+0x6cc/0xa00 net/core/dev.c:5762
 tun_get_user+0x2b1e/0x4a30 drivers/net/tun.c:1943
 tun_chr_write_iter+0xb0/0x150 drivers/net/tun.c:1989
 call_write_iter include/linux/fs.h:1821 [inline]
 new_sync_write fs/read_write.c:474 [inline]
 __vfs_write+0x512/0x760 fs/read_write.c:487
 __kernel_write+0x109/0x370 fs/read_write.c:506
 write_pipe_buf+0x153/0x1e0 fs/splice.c:798
 splice_from_pipe_feed fs/splice.c:503 [inline]
 __splice_from_pipe+0x38f/0x7a0 fs/splice.c:627
 splice_from_pipe+0xd9/0x140 fs/splice.c:662
 default_file_splice_write+0x37/0x90 fs/splice.c:810
 do_splice_from fs/splice.c:852 [inline]
 do_splice fs/splice.c:1154 [inline]
 __do_sys_splice fs/splice.c:1428 [inline]
 __se_sys_splice+0xf18/0x1560 fs/splice.c:1408
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x448c89
Code: e8 cc 14 03 00 48 83 c4 18 c3 0f 1f 80 00 00 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 0f 83 ab 0e fc ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f9720e4fd98 EFLAGS: 00000246 ORIG_RAX: 0000000000000113
RAX: ffffffffffffffda RBX: 00000000006dec78 RCX: 0000000000448c89
RDX: 0000000000000005 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 00000000006dec70 R08: 0000000000018100 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dec7c
R13: 0000000000003172 R14: 656c6c616b7a7973 R15: 00000000006dec7c
Modules linked in:
---[ end trace 5b860cf3b7bd9b27 ]---
RIP: 0010:read_pnet include/net/net_namespace.h:300 [inline]
RIP: 0010:xs_net include/net/xfrm.h:253 [inline]
RIP: 0010:xfrmi_decode_session+0x14a/0x780 net/xfrm/xfrm_interface.c:94
Code: 7c dc 10 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 f4 05 00 00 48 b8 00 00 00 00 00 fc ff df 49 8b 5c dc 10 48 89 da 48 c1 ea 03 <80> 3c 02 00 0f 85 c7 05 00 00 4c 8b 23 e8 44 58 31 fb e8 cf a8 42
RSP: 0018:ffff888080a2eff8 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff8624e667
RDX: 0000000000000000 RSI: ffffffff8624e164 RDI: ffff88809e959788
RBP: 0000000000000039 R08: ffff888089380500 R09: ffffed1015ce473b
R10: ffffed1015ce473a R11: ffff8880ae7239d3 R12: ffff88809e959780
R13: 000000000000003f R14: ffff888084d706c0 R15: 0000000000000000
FS:  00007f9720e50700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9720e4fe78 CR3: 00000000a0861000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400