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: 390d, last: 10h33m

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 (4):
Kernel	Title	Count	Last	Reported	Patched	Status
linux-4.19	WARNING in __ieee80211_beacon_get (3)	1	11d	11d	0/1	upstream: reported on 2021/10/16 16:09
linux-4.19	WARNING in __ieee80211_beacon_get	2	298d	302d	0/1	auto-closed as invalid on 2021/05/02 15:33
linux-4.14	WARNING in __ieee80211_beacon_get	1	370d	370d	0/1	auto-closed as invalid on 2021/02/20 01:09
linux-4.19	WARNING in __ieee80211_beacon_get (2)	4	146d	172d	0/1	auto-closed as invalid on 2021/10/02 04:19

Patch testing requests:
Created	Duration	User	Patch	Repo	Result
2021/06/22 09:08	10m	phind.uet@gmail.com		upstream	report log

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 (255):
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	456afe01b100	5ef9c291	.config	log	report	syz	C
ci-upstream-kasan-gce-selinux-root	2021/10/14 00:11	upstream	348949d9a444	5462d470	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-kasan-gce-selinux-root	2021/10/07 16:16	upstream	5af4055fa813	efe0f24d	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-kasan-gce-selinux-root	2021/10/07 04:08	upstream	5af4055fa813	62ee0987	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-kasan-gce	2021/10/05 14:13	upstream	f6274b06e326	ce697b49	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-kasan-gce-root	2021/08/26 12:21	upstream	73f3af7b4611	b599f2fc	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-kasan-gce-smack-root	2021/07/12 22:08	upstream	7fef2edf7cc7	f415556d	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-qemu-upstream	2021/03/09 20:06	upstream	280d542f6ffa	26967e35	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-qemu-upstream-386	2021/10/28 00:04	upstream	1fc596a56b33	be531bb4	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-qemu-upstream-386	2021/10/21 15:40	upstream	2f111a6fd5b5	c5cb7da8	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-this-kasan-gce	2021/09/28 02:02	net	3b1b6e82fb5e	78494d16	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-this-kasan-gce	2021/09/24 04:51	net	9bc62afe03af	8cac236e	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-this-kasan-gce	2021/09/19 12:41	net	87758511075e	70b76c1d	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-this-kasan-gce	2021/09/14 01:24	net	111b64e35ea0	58d09404	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-this-kasan-gce	2021/09/13 10:54	net	f11ee2ad25b2	3ce60af8	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-this-kasan-gce	2021/09/11 18:05	net	08dad2f4d541	5ae8508a	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-this-kasan-gce	2021/09/08 11:08	net	626bf91a292e	e2776ee4	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-this-kasan-gce	2021/08/29 02:23	net	2619835e31cb	be2c130d	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-this-kasan-gce	2021/08/27 08:01	net	73367f05b25d	b318694d	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-this-kasan-gce	2021/08/26 19:07	net	733c99ee8be9	b318694d	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-this-kasan-gce	2021/08/23 12:32	net	82a44ae113b7	b599f2fc	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-this-kasan-gce	2021/08/20 11:29	net	a8f89fa27773	b599f2fc	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-this-kasan-gce	2021/08/17 17:05	net	276e189f8e4e	a2fe1cb5	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-kasan-gce	2021/10/28 04:20	net-next	911e3a46fb38	be531bb4	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-kasan-gce	2021/10/27 05:40	net-next	06338ceff925	d50eb50a	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-kasan-gce	2021/10/22 20:20	net-next	016c89460d34	282f03fb	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-kasan-gce	2021/10/22 04:09	net-next	ab98bbee072c	55f90bc6	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-kasan-gce	2021/10/20 23:00	net-next	2641b62d2fab	f111d03b	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-kasan-gce	2021/10/17 06:27	net-next	4e6e167bc049	0c5d9412	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-kasan-gce	2021/10/16 03:09	net-next	295711fa8fec	0c5d9412	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-kasan-gce	2021/10/14 20:02	net-next	201f1a2d77f6	7aa5fe41	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-kasan-gce	2021/10/10 01:24	net-next	7932d53162dc	838e7e2c	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-kasan-gce	2021/10/09 09:19	net-next	f12e658c620a	efe0f24d	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-kasan-gce	2021/10/08 20:01	net-next	e761523d0b40	efe0f24d	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-kasan-gce	2021/10/06 19:52	net-next	bcb2293d8106	62ee0987	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-kasan-gce	2021/10/04 12:59	net-next	9ac936276f86	ce697b49	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-kasan-gce	2021/09/26 11:57	net-next	d59bdda85eb7	8cac236e	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-kasan-gce	2021/09/20 04:15	net-next	14e94f9445a9	70b76c1d	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-kasan-gce	2021/09/17 18:07	net-next	5ef8a0291513	70b76c1d	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-kasan-gce	2021/09/15 05:18	net-next	339133f6c318	07e953c1	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-kasan-gce	2021/09/10 10:19	net-next	626bf91a292e	5ae8508a	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-kasan-gce	2021/08/31 19:39	net-next	29ce8f970107	7eb7e152	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-kasan-gce	2021/08/29 15:50	net-next	eaf2aaec0be4	be2c130d	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-kasan-gce	2021/08/28 12:47	net-next	49b99da2c9ce	be2c130d	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-kasan-gce	2021/08/27 21:17	net-next	4baf0e0b3298	d5a29e53	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-kasan-gce	2021/08/25 16:53	net-next	e3f30ab28ac8	b599f2fc	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-kasan-gce	2021/08/25 00:52	net-next	3a62c333497b	b599f2fc	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-kasan-gce	2021/08/22 23:18	net-next	8d63ee602da3	b599f2fc	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-kasan-gce	2021/08/19 05:41	net-next	19b8ece42c56	a2fe1cb5	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-kasan-gce	2021/08/18 11:52	net-next	3349d3625d62	a2fe1cb5	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-kasan-gce	2021/08/18 11:36	net-next	3349d3625d62	a2fe1cb5	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-kasan-gce	2021/08/17 03:25	net-next	e3faa49bcecd	33c26cb7	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-linux-next-kasan-gce-root	2021/10/19 20:32	linux-next	60e8840126bd	466b7db1	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-linux-next-kasan-gce-root	2021/10/14 14:41	linux-next	8006b911c90a	5462d470	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-linux-next-kasan-gce-root	2021/10/07 18:13	linux-next	f8dc23b3dc0c	efe0f24d	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-this-kasan-gce	2020/10/02 15:58	net	ef9da46ddef0	4969d6ca	.config	log	report			info
ci-upstream-net-kasan-gce	2021/01/17 03:28	net-next	c761b2df9df0	65a7a854	.config	log	report			info