in_atomic(): 1, irqs_disabled(): 0, pid: 2992, name: syz-executor0
3 locks held by syz-executor0/2992:
 #0:  (&net->xfrm.xfrm_cfg_mutex){+.+.+.}, at: [<ffffffff83b49338>] pfkey_sendmsg+0x4c8/0x9f0 net/key/af_key.c:3643
 #1:  (&pfk->dump_lock){+.+.+.}, at: [<ffffffff83b4c2a6>] pfkey_do_dump+0x76/0x3f0 net/key/af_key.c:293
 #2:  (&(&net->xfrm.xfrm_policy_lock)->rlock){+...+.}, at: [<ffffffff8395d8b2>] spin_lock_bh include/linux/spinlock.h:304 [inline]
 #2:  (&(&net->xfrm.xfrm_policy_lock)->rlock){+...+.}, at: [<ffffffff8395d8b2>] xfrm_policy_walk+0x192/0xa30 net/xfrm/xfrm_policy.c:1001
CPU: 1 PID: 2992 Comm: syz-executor0 Not tainted 4.13.0-rc4+ #1
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:16 [inline]
 dump_stack+0x194/0x257 lib/dump_stack.c:52
 ___might_sleep+0x2b2/0x470 kernel/sched/core.c:5994
 __might_sleep+0x95/0x190 kernel/sched/core.c:5947
 slab_pre_alloc_hook mm/slab.h:416 [inline]
 slab_alloc mm/slab.c:3383 [inline]
 kmem_cache_alloc+0x24b/0x6e0 mm/slab.c:3559
 skb_clone+0x1ae/0x480 net/core/skbuff.c:1287
 pfkey_broadcast_one+0x4b2/0x6f0 net/key/af_key.c:207
 pfkey_broadcast+0x4ba/0x770 net/key/af_key.c:281
 dump_sp+0x3d6/0x500 net/key/af_key.c:2681
 xfrm_policy_walk+0x2f1/0xa30 net/xfrm/xfrm_policy.c:1015
 pfkey_dump_sp+0x42/0x50 net/key/af_key.c:2691
 pfkey_do_dump+0xaa/0x3f0 net/key/af_key.c:299
 pfkey_spddump+0x1a0/0x210 net/key/af_key.c:2718
 pfkey_process+0x606/0x710 net/key/af_key.c:2808
 pfkey_sendmsg+0x4d6/0x9f0 net/key/af_key.c:3644
 sock_sendmsg_nosec net/socket.c:633 [inline]
 sock_sendmsg+0xca/0x110 net/socket.c:643
 ___sys_sendmsg+0x755/0x890 net/socket.c:2049
 __sys_sendmsg+0xe5/0x210 net/socket.c:2083
 SYSC_sendmsg net/socket.c:2094 [inline]
 SyS_sendmsg+0x2d/0x50 net/socket.c:2090
 entry_SYSCALL_64_fastpath+0x1f/0xbe
RIP: 0033:0x4512e9
RSP: 002b:00007f86c6b5ec08 EFLAGS: 00000216 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000718000 RCX: 00000000004512e9
RDX: 0000000000000000 RSI: 000000002023dfc8 RDI: 0000000000000008
RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000216 R12: 0000000000000000
R13: 00007ffd2696fc9f R14: 00007f86c6b5f9c0 R15: 0000000000000000