kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 20440 Comm: syz-executor.3 Not tainted 5.4.70-syzkaller-00063-gd0e6eb879517 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:ieee80211_key_free+0x33/0x390 net/mac80211/key.c:843
Code: 53 50 89 f5 49 89 fe e8 0b ff 8c fd 4d 85 f6 0f 84 b0 00 00 00 48 b8 00 00 00 00 00 fc ff df 4d 8d 7e 08 4c 89 fb 48 c1 eb 03 <80> 3c 03 00 74 08 4c 89 ff e8 ff b8 ba fd 4d 8b 2f 4d 85 ed 0f 84
RSP: 0018:ffff8881714373a8 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: 0fffffffe000098a RCX: 0000000000040000
RDX: ffffc900064a3000 RSI: 00000000000001ce RDI: 00000000000001cf
RBP: 0000000000000000 R08: ffffffff83aea5e8 R09: ffffffff81f75d6b
R10: ffff8881cf170000 R11: 000000000000000c R12: ffff8881c7ea5a68
R13: ffff8881c7ea4ed8 R14: 7fffffff00004c4b R15: 7fffffff00004c53
FS:  00007fb963ff2700(0000) GS:ffff8881db800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000001590004 CR3: 000000015ebec005 CR4: 00000000001606f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 ieee80211_del_key+0x139/0x180 net/mac80211/cfg.c:532
 rdev_del_key+0x1cf/0x330 net/wireless/rdev-ops.h:107
 nl80211_del_key+0x410/0x550 net/wireless/nl80211.c:4015
 genl_family_rcv_msg net/netlink/genetlink.c:629 [inline]
 genl_rcv_msg+0xe76/0x1330 net/netlink/genetlink.c:654
 netlink_rcv_skb+0x1f0/0x460 net/netlink/af_netlink.c:2478
 genl_rcv+0x24/0x40 net/netlink/genetlink.c:665
 netlink_unicast_kernel net/netlink/af_netlink.c:1303 [inline]
 netlink_unicast+0x87c/0xa20 net/netlink/af_netlink.c:1329
 netlink_sendmsg+0x9a7/0xd40 net/netlink/af_netlink.c:1918
 sock_sendmsg_nosec net/socket.c:638 [inline]
 sock_sendmsg net/socket.c:658 [inline]
 ____sys_sendmsg+0x56f/0x860 net/socket.c:2298
 ___sys_sendmsg net/socket.c:2352 [inline]
 __sys_sendmsg+0x26a/0x350 net/socket.c:2398
 do_syscall_64+0xcb/0x150 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45de59
Code: 0d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 db b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fb963ff1c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 000000000002b140 RCX: 000000000045de59
RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003
RBP: 000000000118bf60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c
R13: 00007fff78a6b1ef R14: 00007fb963ff29c0 R15: 000000000118bf2c
Modules linked in:
---[ end trace 2e606dbb9a9a40a5 ]---
RIP: 0010:ieee80211_key_free+0x33/0x390 net/mac80211/key.c:843
Code: 53 50 89 f5 49 89 fe e8 0b ff 8c fd 4d 85 f6 0f 84 b0 00 00 00 48 b8 00 00 00 00 00 fc ff df 4d 8d 7e 08 4c 89 fb 48 c1 eb 03 <80> 3c 03 00 74 08 4c 89 ff e8 ff b8 ba fd 4d 8b 2f 4d 85 ed 0f 84
RSP: 0018:ffff8881714373a8 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: 0fffffffe000098a RCX: 0000000000040000
RDX: ffffc900064a3000 RSI: 00000000000001ce RDI: 00000000000001cf
RBP: 0000000000000000 R08: ffffffff83aea5e8 R09: ffffffff81f75d6b
R10: ffff8881cf170000 R11: 000000000000000c R12: ffff8881c7ea5a68
R13: ffff8881c7ea4ed8 R14: 7fffffff00004c4b R15: 7fffffff00004c53
FS:  00007fb963ff2700(0000) GS:ffff8881db800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000563d8fd659d0 CR3: 000000015ebec003 CR4: 00000000001606f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400