IPv6: NLM_F_CREATE should be set when creating new route
------------[ cut here ]------------
sdata->crypto_tx_tailroom_needed_cnt != master->crypto_tx_tailroom_needed_cnt
WARNING: net/mac80211/key.c:1171 at ieee80211_free_keys+0x4ed/0x640 net/mac80211/key.c:1171, CPU#3: syz.0.11921/8646
Modules linked in:
CPU: 3 UID: 0 PID: 8646 Comm: syz.0.11921 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:ieee80211_free_keys+0x4ed/0x640 net/mac80211/key.c:1171
Code: c0 74 08 3c 03 0f 8e 26 01 00 00 8b 9d 78 fb ff ff 44 89 ef 89 de e8 32 9d d0 f6 41 39 dd 0f 84 6b fe ff ff e8 74 a3 d0 f6 90 <0f> 0b 90 e9 5d fe ff ff e8 66 a3 d0 f6 4c 89 fa 48 b8 00 00 00 00
RSP: 0000:ffffc90003a7e978 EFLAGS: 00010246
RAX: 0000000000080000 RBX: 0000000000000000 RCX: ffffc90026711000
RDX: 0000000000080000 RSI: ffffffff8b3908ec RDI: ffff888024e1a540
RBP: ffff88807572dd28 R08: 0000000000000004 R09: 0000000000000001
R10: 0000000000000000 R11: ffffffff81d5692c R12: 1ffff9200074fd31
R13: 0000000000000001 R14: ffffc90003a7e9a8 R15: ffffc90003a7e990
FS:  0000000000000000(0000) GS:ffff888096ee3000(0063) knlGS:00000000f540db40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 00000000f72289d0 CR3: 0000000044005000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 00000000000f000e DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ieee80211_do_stop+0x1d2b/0x2bb0 net/mac80211/iface.c:618
 ieee80211_stop+0x165/0x2f0 net/mac80211/iface.c:868
 __dev_close_many+0x312/0x710 net/core/dev.c:1776
 netif_close_many+0x233/0x630 net/core/dev.c:1802
 netif_close net/core/dev.c:1819 [inline]
 netif_close+0x17f/0x230 net/core/dev.c:1813
 dev_close+0xaa/0x240 net/core/dev_api.c:221
 ieee80211_stop+0x1ff/0x2f0 net/mac80211/iface.c:855
 __dev_close_many+0x312/0x710 net/core/dev.c:1776
 __dev_close net/core/dev.c:1789 [inline]
 __dev_change_flags+0x307/0x850 net/core/dev.c:9758
 netif_change_flags+0x8d/0x160 net/core/dev.c:9823
 do_setlink.isra.0+0x1ac4/0x3e60 net/core/rtnetlink.c:3215
 rtnl_group_changelink net/core/rtnetlink.c:3863 [inline]
 __rtnl_newlink net/core/rtnetlink.c:4031 [inline]
 rtnl_newlink+0x1b7e/0x2380 net/core/rtnetlink.c:4159
 rtnetlink_rcv_msg+0x95e/0xe90 net/core/rtnetlink.c:7076
 netlink_rcv_skb+0x159/0x420 net/netlink/af_netlink.c:2556
 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline]
 netlink_unicast+0x585/0x850 net/netlink/af_netlink.c:1345
 netlink_sendmsg+0x8b0/0xda0 net/netlink/af_netlink.c:1900
 sock_sendmsg_nosec net/socket.c:775 [inline]
 __sock_sendmsg net/socket.c:790 [inline]
 ____sys_sendmsg+0xa4d/0xbe0 net/socket.c:2684
 ___sys_sendmsg+0x190/0x1e0 net/socket.c:2738
 __sys_sendmsg+0x160/0x210 net/socket.c:2770
 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]
 __do_fast_syscall_32+0xe7/0x970 arch/x86/entry/syscall_32.c:307
 do_fast_syscall_32+0x32/0x70 arch/x86/entry/syscall_32.c:332
 entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf701efec
Code: Unable to access opcode bytes at 0xf701efc2.
RSP: 002b:00000000f540d50c EFLAGS: 00000292 ORIG_RAX: 0000000000000172
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000080000240
RDX: 0000000004000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000292 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>