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WARNING: CPU: 0 PID: 2490 at net/xfrm/xfrm_user.c:2210 xfrm_add_acquire+0x7a1/0x9c0 net/xfrm/xfrm_user.c:2210()
WARNING: CPU: 0 PID: 2496 at net/xfrm/xfrm_user.c:2210 xfrm_add_acquire+0x7a1/0x9c0 net/xfrm/xfrm_user.c:2210()
BAD policy passed
BAD policy passed
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 2490 Comm: syz-executor.1 Not tainted 4.4.174+ #4
 0000000000000000[   78.922777] Modules linked in:
 c576e7ac2501a80f ffff8801beca73f0 ffffffff81aad1a1
 ffff8801beca7540 ffffffff82835ee0 ffffffff82a9d500 00000000000008a2
 ffffffff825836c1 ffff8801beca74d0 ffffffff813a48c2 0000000041b58ab3
Call Trace:
 [<ffffffff81aad1a1>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81aad1a1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
 [<ffffffff813a48c2>] panic+0x1b9/0x37b kernel/panic.c:112
 [<ffffffff813a4ab9>] warn_slowpath_common kernel/panic.c:455 [inline]
 [<ffffffff813a4ab9>] warn_slowpath_common.cold+0x20/0x20 kernel/panic.c:435
 [<ffffffff810d394f>] warn_slowpath_fmt+0xbf/0x100 kernel/panic.c:471
 [<ffffffff825836c1>] xfrm_add_acquire+0x7a1/0x9c0 net/xfrm/xfrm_user.c:2210
 [<ffffffff8257888c>] xfrm_user_rcv_msg+0x37c/0x630 net/xfrm/xfrm_user.c:2563
 [<ffffffff822f06e4>] netlink_rcv_skb+0xd4/0x2e0 net/netlink/af_netlink.c:2361
 [<ffffffff82571210>] xfrm_netlink_rcv+0x70/0x90 net/xfrm/xfrm_user.c:2571
 [<ffffffff822ef137>] netlink_unicast_kernel net/netlink/af_netlink.c:1277 [inline]
 [<ffffffff822ef137>] netlink_unicast+0x4d7/0x700 net/netlink/af_netlink.c:1303
 [<ffffffff822efb86>] netlink_sendmsg+0x6b6/0xc80 net/netlink/af_netlink.c:1859
 [<ffffffff821d838e>] sock_sendmsg_nosec net/socket.c:638 [inline]
 [<ffffffff821d838e>] sock_sendmsg+0xbe/0x110 net/socket.c:648
 [<ffffffff821da269>] ___sys_sendmsg+0x769/0x890 net/socket.c:1975
 [<ffffffff821dd0c5>] __sys_sendmsg+0xc5/0x160 net/socket.c:2009
 [<ffffffff821dd18d>] SYSC_sendmsg net/socket.c:2020 [inline]
 [<ffffffff821dd18d>] SyS_sendmsg+0x2d/0x50 net/socket.c:2016
 [<ffffffff82718ba1>] entry_SYSCALL_64_fastpath+0x1e/0x9a
CPU: 1 PID: 2496 Comm: syz-executor.4 Not tainted 4.4.174+ #4
 0000000000000000 47ac9e9b97dd20f3 ffff8800a418f4d0 ffffffff81aad1a1
 ffff8800a418f540 0000000000000009 ffffffff82a9d500 00000000000008a2
 ffffffff825836c1 ffff8800a418f510 ffffffff810d3849 ffff8800a418f550
Call Trace:
 [<ffffffff81aad1a1>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81aad1a1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
 [<ffffffff810d3849>] warn_slowpath_common+0xd9/0x120 kernel/panic.c:459
 [<ffffffff810d394f>] warn_slowpath_fmt+0xbf/0x100 kernel/panic.c:471
 [<ffffffff825836c1>] xfrm_add_acquire+0x7a1/0x9c0 net/xfrm/xfrm_user.c:2210
 [<ffffffff8257888c>] xfrm_user_rcv_msg+0x37c/0x630 net/xfrm/xfrm_user.c:2563
 [<ffffffff822f06e4>] netlink_rcv_skb+0xd4/0x2e0 net/netlink/af_netlink.c:2361
 [<ffffffff82571210>] xfrm_netlink_rcv+0x70/0x90 net/xfrm/xfrm_user.c:2571
 [<ffffffff822ef137>] netlink_unicast_kernel net/netlink/af_netlink.c:1277 [inline]
 [<ffffffff822ef137>] netlink_unicast+0x4d7/0x700 net/netlink/af_netlink.c:1303
 [<ffffffff822efb86>] netlink_sendmsg+0x6b6/0xc80 net/netlink/af_netlink.c:1859
 [<ffffffff821d838e>] sock_sendmsg_nosec net/socket.c:638 [inline]
 [<ffffffff821d838e>] sock_sendmsg+0xbe/0x110 net/socket.c:648
 [<ffffffff821da269>] ___sys_sendmsg+0x769/0x890 net/socket.c:1975
 [<ffffffff821dd0c5>] __sys_sendmsg+0xc5/0x160 net/socket.c:2009
 [<ffffffff821dd18d>] SYSC_sendmsg net/socket.c:2020 [inline]
 [<ffffffff821dd18d>] SyS_sendmsg+0x2d/0x50 net/socket.c:2016
 [<ffffffff82718ba1>] entry_SYSCALL_64_fastpath+0x1e/0x9a
Kernel Offset: disabled
Rebooting in 86400 seconds..