RBP: 0000000020000000 R08: 00000000000000f0 R09: 0000000000000000
R10: 0000000000000064 R11: 0000000000000293 R12: 00007fc7fc8e66d4
R13: 00000000004c48a4 R14: 00000000004d7b90 R15: 0000000000000004
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: 12876 Comm: syz-executor3 Not tainted 4.19.0-rc5+ #236
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:xs_net include/net/xfrm.h:253 [inline]
RIP: 0010:xfrmi_rcv_cb+0xd4/0x9d0 net/xfrm/xfrm_interface.c:256
Code: 7c e5 10 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 f0 07 00 00 48 b8 00 00 00 00 00 fc ff df 4f 8b 64 e5 10 4c 89 e2 48 c1 ea 03 <80> 3c 02 00 0f 85 da 07 00 00 49 8b 3c 24 49 8d b4 24 d0 00 00 00
RSP: 0018:ffff8801965a6968 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: ffff8801d79eb3c0 RCX: ffffc90007ea6000
RDX: 0000000000000000 RSI: ffffffff86ab9535 RDI: ffff8801d75f7088
RBP: ffff8801965a69a8 R08: ffff880197440040 R09: 1ffffffff1273955
R10: ffffed003b5e4732 R11: ffff8801daf23993 R12: 0000000000000000
R13: ffff8801d75f7080 R14: ffff8801d79eb428 R15: 0000000000000001
FS:  00007fc7fc8e6700(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000728000 CR3: 00000001bb082000 CR4: 00000000001406e0
Call Trace:
 xfrm6_rcv_cb+0x220/0x400 net/ipv6/xfrm6_protocol.c:59
 xfrm_rcv_cb net/xfrm/xfrm_input.c:108 [inline]
 xfrm_input+0x8aa/0x3190 net/xfrm/xfrm_input.c:495
 xfrm6_rcv_spi net/ipv6/xfrm6_input.c:31 [inline]
 xfrm6_rcv_tnl+0x168/0x1d0 net/ipv6/xfrm6_input.c:73
 xfrm6_rcv+0x17/0x20 net/ipv6/xfrm6_input.c:80
 xfrm6_esp_rcv+0x1a5/0x3a0 net/ipv6/xfrm6_protocol.c:74
 ip6_input_finish+0x3fc/0x1aa0 net/ipv6/ip6_input.c:384
 NF_HOOK include/linux/netfilter.h:287 [inline]
 ip6_input+0xe9/0x600 net/ipv6/ip6_input.c:427
 ip6_mc_input+0x48a/0xd20 net/ipv6/ip6_input.c:504
 dst_input include/net/dst.h:450 [inline]
 ip6_rcv_finish+0x17a/0x330 net/ipv6/ip6_input.c:76
 NF_HOOK include/linux/netfilter.h:287 [inline]
 ipv6_rcv+0x113/0x640 net/ipv6/ip6_input.c:272
 __netif_receive_skb_one_core+0x14d/0x200 net/core/dev.c:4894
 __netif_receive_skb+0x2c/0x1e0 net/core/dev.c:5004
 netif_receive_skb_internal+0x12c/0x620 net/core/dev.c:5107
 napi_frags_finish net/core/dev.c:5643 [inline]
 napi_gro_frags+0x75a/0xc90 net/core/dev.c:5716
 tun_get_user+0x31d5/0x42a0 drivers/net/tun.c:1956
 tun_chr_write_iter+0xb9/0x160 drivers/net/tun.c:2001
 call_write_iter include/linux/fs.h:1808 [inline]
 do_iter_readv_writev+0x8b0/0xa80 fs/read_write.c:680
 do_iter_write+0x185/0x5f0 fs/read_write.c:959
 vfs_writev+0x1f1/0x360 fs/read_write.c:1004
 do_writev+0x11a/0x310 fs/read_write.c:1039
 __do_sys_writev fs/read_write.c:1112 [inline]
 __se_sys_writev fs/read_write.c:1109 [inline]
 __x64_sys_writev+0x75/0xb0 fs/read_write.c:1109
 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x457431
Code: 75 14 b8 14 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 54 b5 fb ff c3 48 83 ec 08 e8 1a 2d 00 00 48 89 04 24 b8 14 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 63 2d 00 00 48 89 d0 48 83 c4 08 48 3d 01
RSP: 002b:00007fc7fc8e5ba0 EFLAGS: 00000293 ORIG_RAX: 0000000000000014
RAX: ffffffffffffffda RBX: 000000000000004a RCX: 0000000000457431
RDX: 0000000000000001 RSI: 00007fc7fc8e5bf0 RDI: 00000000000000f0
RBP: 0000000020000000 R08: 00000000000000f0 R09: 0000000000000000
R10: 0000000000000064 R11: 0000000000000293 R12: 00007fc7fc8e66d4
R13: 00000000004c48a4 R14: 00000000004d7b90 R15: 0000000000000004
Modules linked in:
---[ end trace afb3df51366ba42e ]---
RIP: 0010:xs_net include/net/xfrm.h:253 [inline]
RIP: 0010:xfrmi_rcv_cb+0xd4/0x9d0 net/xfrm/xfrm_interface.c:256
Code: 7c e5 10 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 f0 07 00 00 48 b8 00 00 00 00 00 fc ff df 4f 8b 64 e5 10 4c 89 e2 48 c1 ea 03 <80> 3c 02 00 0f 85 da 07 00 00 49 8b 3c 24 49 8d b4 24 d0 00 00 00
RSP: 0018:ffff8801965a6968 EFLAGS: 00010246
kobject: 'loop1' (0000000014f3f743): kobject_uevent_env
RAX: dffffc0000000000 RBX: ffff8801d79eb3c0 RCX: ffffc90007ea6000
RDX: 0000000000000000 RSI: ffffffff86ab9535 RDI: ffff8801d75f7088
kobject: 'loop1' (0000000014f3f743): fill_kobj_path: path = '/devices/virtual/block/loop1'
RBP: ffff8801965a69a8 R08: ffff880197440040 R09: 1ffffffff1273955
R10: ffffed003b5e4732 R11: ffff8801daf23993 R12: 0000000000000000
R13: ffff8801d75f7080 R14: ffff8801d79eb428 R15: 0000000000000001
FS:  00007fc7fc8e6700(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000728000 CR3: 00000001bb082000 CR4: 00000000001406e0