WARNING in __ieee80211_beacon

WARNING in __ieee80211_beacon_get
Status: upstream: reported C repro on 2020/10/05 08:38
Reported-by: syzbot+18c783c5cf6a781e3e2c@syzkaller.appspotmail.com
First crash: 150d, last: 9h06m

Cause bisection: introduced by (bisect log) :
commit 7dfd8ac327301f302b03072066c66eb32578e940
Author: Ramon Fontes <ramonreisfontes@gmail.com>
Date: Thu Oct 10 18:13:07 2019 +0000

mac80211_hwsim: add support for OCB

Crash: WARNING in __ieee80211_beacon_get (log)
Repro: C syz .config

similar bugs (2):
Kernel	Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
linux-4.19	WARNING in __ieee80211_beacon_get				2	58d	62d	0/1	upstream: reported on 2020/12/29 21:43
linux-4.14	WARNING in __ieee80211_beacon_get				1	130d	130d	0/1	auto-closed as invalid on 2021/02/20 01:09

Sample crash report:

------------[ cut here ]------------
WARNING: CPU: 1 PID: 6900 at net/mac80211/tx.c:4875 __ieee80211_beacon_get+0xb59/0x1aa0 net/mac80211/tx.c:4875
Kernel panic - not syncing: panic_on_warn set ...
CPU: 1 PID: 6900 Comm: syz-executor345 Not tainted 5.9.0-rc6-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x198/0x1fd lib/dump_stack.c:118
 panic+0x382/0x7fb kernel/panic.c:231
 __warn.cold+0x20/0x4b kernel/panic.c:600
 report_bug+0x1bd/0x210 lib/bug.c:198
 handle_bug+0x38/0x90 arch/x86/kernel/traps.c:234
 exc_invalid_op+0x14/0x40 arch/x86/kernel/traps.c:254
 asm_exc_invalid_op+0x12/0x20 arch/x86/include/asm/idtentry.h:536
RIP: 0010:__ieee80211_beacon_get+0xb59/0x1aa0 net/mac80211/tx.c:4875
Code: b8 00 00 00 00 00 fc ff df 48 c1 ea 03 0f b6 04 02 84 c0 74 08 3c 03 0f 8e fe 0c 00 00 41 83 4c 24 28 1a eb 0a e8 a7 15 9b f9 <0f> 0b 45 31 e4 e8 9d 15 9b f9 e8 e8 3e 5b 00 31 ff 89 c3 89 c6 e8
RSP: 0018:ffffc90000da8b40 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff8880a96b5e18 RCX: ffffffff87db68e5
RDX: ffff888091824540 RSI: ffffffff87db7209 RDI: 0000000000000005
RBP: 000000000000000b R08: 0000000000000001 R09: ffffc90000da8c88
R10: 0000000000000007 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8880872c0c80 R14: 0000000000000000 R15: ffffc90000da8c88
 ieee80211_beacon_get_tim+0x88/0x910 net/mac80211/tx.c:4939
 ieee80211_beacon_get include/net/mac80211.h:4909 [inline]
 mac80211_hwsim_beacon_tx+0x111/0x910 drivers/net/wireless/mac80211_hwsim.c:1729
 __iterate_interfaces+0x1e5/0x520 net/mac80211/util.c:792
 ieee80211_iterate_active_interfaces_atomic+0x8d/0x170 net/mac80211/util.c:828
 mac80211_hwsim_beacon+0xd5/0x1a0 drivers/net/wireless/mac80211_hwsim.c:1782
 __run_hrtimer kernel/time/hrtimer.c:1524 [inline]
 __hrtimer_run_queues+0x6a9/0xfc0 kernel/time/hrtimer.c:1588
 hrtimer_run_softirq+0x17b/0x360 kernel/time/hrtimer.c:1605
 __do_softirq+0x1f8/0xb23 kernel/softirq.c:298
 asm_call_on_stack+0xf/0x20 arch/x86/entry/entry_64.S:706
 </IRQ>
 __run_on_irqstack arch/x86/include/asm/irq_stack.h:22 [inline]
 run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:48 [inline]
 do_softirq_own_stack+0x9d/0xd0 arch/x86/kernel/irq_64.c:77
 invoke_softirq kernel/softirq.c:393 [inline]
 __irq_exit_rcu kernel/softirq.c:423 [inline]
 irq_exit_rcu+0x235/0x280 kernel/softirq.c:435
 sysvec_apic_timer_interrupt+0x51/0xf0 arch/x86/kernel/apic/apic.c:1091
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:581
RIP: 0010:__sanitizer_cov_trace_pc+0x30/0x60 kernel/kcov.c:197
Code: fe 01 00 65 8b 05 c0 76 8b 7e a9 00 01 ff 00 48 8b 34 24 74 0f f6 c4 01 74 35 8b 82 4c 14 00 00 85 c0 74 2b 8b 82 28 14 00 00 <83> f8 02 75 20 48 8b 8a 30 14 00 00 8b 92 2c 14 00 00 48 8b 01 48
RSP: 0018:ffffc900048072d8 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffff8880a96b4c00 RCX: ffffffff87dd0f8e
RDX: ffff888091824540 RSI: ffffffff87dd0f61 RDI: ffff8880a96b5558
RBP: 0000000000000000 R08: 0000000000000000 R09: ffff8880872c296f
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8880a7bbaa20 R14: dffffc0000000000 R15: 0000000000000000
 ieee80211_chanctx_radar_detect+0x1f1/0x3a0 net/mac80211/util.c:4266
 ieee80211_check_combinations+0x3b9/0x880 net/mac80211/util.c:4325
 ieee80211_check_concurrent_iface+0x45b/0x670 net/mac80211/iface.c:309
 ieee80211_runtime_change_iftype net/mac80211/iface.c:1672 [inline]
 ieee80211_if_change_type+0x288/0x620 net/mac80211/iface.c:1712
 ieee80211_change_iface+0x26/0x210 net/mac80211/cfg.c:157
 rdev_change_virtual_intf net/wireless/rdev-ops.h:69 [inline]
 cfg80211_change_iface+0x2ec/0xfe0 net/wireless/util.c:1032
 nl80211_set_interface+0x65c/0x8d0 net/wireless/nl80211.c:3789
 genl_family_rcv_msg_doit+0x228/0x320 net/netlink/genetlink.c:739
 genl_family_rcv_msg net/netlink/genetlink.c:783 [inline]
 genl_rcv_msg+0x328/0x580 net/netlink/genetlink.c:800
 netlink_rcv_skb+0x15a/0x430 net/netlink/af_netlink.c:2489
 genl_rcv+0x24/0x40 net/netlink/genetlink.c:811
 netlink_unicast_kernel net/netlink/af_netlink.c:1304 [inline]
 netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1330
 netlink_sendmsg+0x856/0xd90 net/netlink/af_netlink.c:1919
 sock_sendmsg_nosec net/socket.c:651 [inline]
 sock_sendmsg+0xcf/0x120 net/socket.c:671
 ____sys_sendmsg+0x6e8/0x810 net/socket.c:2353
 ___sys_sendmsg+0xf3/0x170 net/socket.c:2407
 __sys_sendmsg+0xe5/0x1b0 net/socket.c:2440
 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x4423d9
Code: e8 ac 00 03 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 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 7b 07 fc ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007ffcf9989098 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004423d9
RDX: 0000000000000000 RSI: 0000000020000340 RDI: 0000000000000003
RBP: 000000306e616c77 R08: 0000002000000000 R09: 0000002000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000080bde
R13: 0000000000000000 R14: 000000000000000c R15: 0000000000000004
Kernel Offset: disabled
Rebooting in 86400 seconds..

Crashes (104):
Manager	Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Title
ci-upstream-net-kasan-gce	2020/10/04 17:38	net-next	456afe01	5ef9c291	.config	log	report	syz	C
ci-qemu-upstream	2021/02/23 16:55	upstream	3b9cdafb	fcc6d71b	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-this-kasan-gce	2021/02/25 13:41	net	8f1c0fd2	fcc6d71b	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-this-kasan-gce	2021/02/24 23:06	net	6fbd15c0	fcc6d71b	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-this-kasan-gce	2021/02/10 00:56	net	49c2547b	2bd9619f	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-this-kasan-gce	2021/02/08 21:15	net	af8085f3	2bd9619f	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-this-kasan-gce	2021/02/04 23:47	net	d795cc02	23a562df	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-this-kasan-gce	2021/02/04 12:00	net	d795cc02	42b90a7c	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-kasan-gce	2021/03/01 20:39	net-next	d310ec03	183afb6c	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-kasan-gce	2021/02/23 15:40	net-next	d310ec03	fcc6d71b	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-kasan-gce	2021/02/15 21:29	net-next	d2a04370	98682e5e	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-kasan-gce	2021/02/12 21:26	net-next	3c5a2fd0	98682e5e	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-kasan-gce	2021/02/10 20:59	net-next	de1db4a6	a52ee10a	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-kasan-gce	2021/02/09 10:41	net-next	5ea3c72c	2bd9619f	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-kasan-gce	2021/02/02 04:21	net-next	1a2b60f6	e6b95f32	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-kasan-gce	2021/01/30 11:14	net-next	14e8e0f6	fc9fd31e	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-kasan-gce	2021/01/29 21:55	net-next	46eb3c10	fc9fd31e	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-kasan-gce	2021/01/29 05:35	net-next	46251282	7df34f59	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-kasan-gce	2021/01/26 17:10	net-next	02c26940	55a7d4df	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-kasan-gce-selinux-root	2020/12/19 23:23	upstream	467f8165	04201c06	.config	log	report			info
ci-upstream-kasan-gce-root	2020/12/16 04:34	upstream	d635a69d	f213e07e	.config	log	report			info
ci-qemu-upstream	2020/12/07 08:09	upstream	0477e928	57072f7b	.config	log	report			info
ci-upstream-kasan-gce	2020/11/03 01:19	upstream	495023e4	8bc4594f	.config	log	report			info
ci-qemu-upstream-386	2020/11/24 17:58	upstream	d5beb314	e34b696c	.config	log	report			info
ci-upstream-net-this-kasan-gce	2021/01/15 23:45	net	b7ba6cfa	65a7a854	.config	log	report			info
ci-upstream-net-this-kasan-gce	2021/01/12 00:55	net	93828834	2c1f2513	.config	log	report			info
ci-upstream-net-this-kasan-gce	2021/01/06 01:58	net	f6e7a024	b1c228e1	.config	log	report			info
ci-upstream-net-this-kasan-gce	2020/12/29 03:45	net	4bfc4714	8259d56c	.config	log	report			info
ci-upstream-net-this-kasan-gce	2020/12/28 14:48	net	1f45dc22	8259d56c	.config	log	report			info
ci-upstream-net-this-kasan-gce	2020/12/26 01:34	net	1f45dc22	821e0b09	.config	log	report			info
ci-upstream-net-this-kasan-gce	2020/12/12 07:34	net	7f376f19	bca53db9	.config	log	report			info
ci-upstream-net-this-kasan-gce	2020/12/11 13:31	net	d9838b1d	ba24ffcd	.config	log	report			info
ci-upstream-net-this-kasan-gce	2020/12/11 06:51	net	d9838b1d	f900b48c	.config	log	report			info
ci-upstream-net-this-kasan-gce	2020/12/09 17:47	net	72d05c00	c090b4da	.config	log	report			info
ci-upstream-net-this-kasan-gce	2020/12/09 05:09	net	72d05c00	40cc414d	.config	log	report			info
ci-upstream-net-this-kasan-gce	2020/12/05 11:43	net	905b2032	50503117	.config	log	report			info
ci-upstream-net-this-kasan-gce	2020/10/02 15:58	net	ef9da46d	4969d6ca	.config	log	report			info
ci-upstream-net-kasan-gce	2021/01/17 03:28	net-next	c761b2df	65a7a854	.config	log	report			info
ci-upstream-net-kasan-gce	2021/01/15 06:53	net-next	1d9f03c0	65a7a854	.config	log	report			info
ci-upstream-net-kasan-gce	2021/01/14 16:30	net-next	0ae5b43d	65a7a854	.config	log	report			info
ci-upstream-net-kasan-gce	2021/01/06 14:53	net-next	ede71cae	c104d4a3	.config	log	report			info
ci-upstream-net-kasan-gce	2021/01/05 10:54	net-next	3db1a3fa	a0234d98	.config	log	report			info
ci-upstream-net-kasan-gce	2020/12/16 18:03	net-next	3db1a3fa	04201c06	.config	log	report			info
ci-upstream-net-kasan-gce	2020/12/16 02:26	net-next	efd5a158	97183ed7	.config	log	report			info
ci-upstream-net-kasan-gce	2020/12/14 15:01	net-next	13458ffe	97183ed7	.config	log	report			info
ci-upstream-net-kasan-gce	2020/12/13 21:02	net-next	13458ffe	b22a7ec3	.config	log	report			info
ci-upstream-net-kasan-gce	2020/12/12 06:31	net-next	91163f82	ba24ffcd	.config	log	report			info
ci-upstream-net-kasan-gce	2020/12/11 06:31	net-next	91163f82	f900b48c	.config	log	report			info
ci-upstream-net-kasan-gce	2020/12/10 14:07	net-next	a7105e34	f900b48c	.config	log	report			info
ci-upstream-net-kasan-gce	2020/12/08 16:57	net-next	8e98387b	a7f7f4a4	.config	log	report			info
ci-upstream-net-kasan-gce	2020/12/07 11:29	net-next	af3f4a85	1190297f	.config	log	report			info
ci-upstream-net-kasan-gce	2020/12/06 19:41	net-next	4054eebf	c521566d	.config	log	report			info
ci-upstream-net-kasan-gce	2020/12/06 06:02	net-next	00649542	50503117	.config	log	report			info
ci-upstream-linux-next-kasan-gce-root	2020/11/24 19:14	linux-next	62918e6f	e34b696c	.config	log	report			info