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: 299d, last: 1d01h

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 (3):
Kernel	Title	Count	Last	Reported	Patched	Status
linux-4.19	WARNING in __ieee80211_beacon_get	2	207d	211d	0/1	auto-closed as invalid on 2021/05/02 15:33
linux-4.14	WARNING in __ieee80211_beacon_get	1	279d	279d	0/1	auto-closed as invalid on 2021/02/20 01:09
linux-4.19	WARNING in __ieee80211_beacon_get (2)	4	55d	81d	0/1	upstream: reported on 2021/05/08 18:20

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 (188):
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	2021/07/22 15:16	upstream	3d5895cd3517	302e51de	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-kasan-gce	2021/07/19 04:23	upstream	2734d6c1b1a0	f115ae98	.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-upstream-kasan-gce-selinux-root	2021/07/06 21:55	upstream	3dbdb38e2869	cca78469	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-kasan-gce-smack-root	2021/06/30 09:08	upstream	007b350a5875	84fd4c77	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-kasan-gce	2021/06/26 06:34	upstream	b7050b242430	9d2ab5df	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-kasan-gce-root	2021/06/19 02:43	upstream	b1edae0d5f2e	aba2b2fb	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-kasan-gce-selinux-root	2021/06/13 21:42	upstream	e4e453434a19	1ba81399	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-kasan-gce-selinux-root	2021/05/23 22:21	upstream	6ebb6814a1ef	3c7fef33	.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-upstream-net-this-kasan-gce	2021/07/26 20:37	net	92766c4628ea	fd511809	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-this-kasan-gce	2021/07/19 23:10	net	6f20c8adb181	bc48c9ab	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-this-kasan-gce	2021/07/17 23:08	net	5b69874f74cc	f115ae98	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-this-kasan-gce	2021/07/13 11:12	net	71ce9d92fc70	f415556d	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-this-kasan-gce	2021/07/12 19:10	net	d2eecc596bdf	f415556d	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-this-kasan-gce	2021/07/08 10:48	net	d7fba8ff3e50	95793bce	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-this-kasan-gce	2021/07/05 18:42	net	c6c205ed442e	55aa55c2	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-this-kasan-gce	2021/07/04 04:46	net	dbe69e433722	55aa55c2	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-this-kasan-gce	2021/07/02 18:11	net	dbe69e433722	55aa55c2	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-this-kasan-gce	2021/07/01 06:02	net	dbe69e433722	38a885d1	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-this-kasan-gce	2021/06/23 17:17	net	f4b29d2ee903	aba2b2fb	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-this-kasan-gce	2021/06/20 07:49	net	dda2626b86c2	aba2b2fb	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-this-kasan-gce	2021/06/10 04:21	net	13c62f5371e3	1ba81399	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-this-kasan-gce	2021/06/04 00:07	net	261ba78cc364	0740de69	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-this-kasan-gce	2021/06/01 07:39	net	4ac06a1e013c	032639db	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-this-kasan-gce	2021/05/27 17:57	net	d7c5303fbc8a	858ea628	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-this-kasan-gce	2021/05/24 14:07	net	4dd649d130c6	3c7fef33	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-kasan-gce	2021/07/28 11:32	net-next	3bdc70669eb2	17d6ab15	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-kasan-gce	2021/07/26 12:58	net-next	9d32e4e7e9e1	fd511809	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-kasan-gce	2021/07/26 06:45	net-next	cc19862ffe45	fd511809	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-kasan-gce	2021/07/25 22:28	net-next	cc19862ffe45	4d1b57d4	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-kasan-gce	2021/07/14 16:50	net-next	5e437416ff66	94e0b707	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-kasan-gce	2021/07/09 23:44	net-next	5e437416ff66	8f5a7b8c	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-kasan-gce	2021/07/08 01:32	net-next	5e437416ff66	95793bce	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-kasan-gce	2021/07/01 08:50	net-next	dbe69e433722	658ebc66	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-kasan-gce	2021/06/29 11:00	net-next	84fe73996c2e	9d2ab5df	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-kasan-gce	2021/06/28 21:25	net-next	8eb517a2a4ae	9d2ab5df	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-kasan-gce	2021/06/16 11:58	net-next	c7654495916e	c06f97ad	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-kasan-gce	2021/06/15 23:46	net-next	925a56b2c085	990d3cbe	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-kasan-gce	2021/06/14 20:40	net-next	2d7ff2d83cac	1ba81399	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-kasan-gce	2021/06/14 00:39	net-next	a212d9f33ed0	1ba81399	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-kasan-gce	2021/06/13 11:16	net-next	ffbbc5e5c717	1ba81399	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-kasan-gce	2021/06/12 00:36	net-next	1f1aa3fe0214	1ba81399	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-kasan-gce	2021/06/10 21:28	net-next	0699073951e3	1ba81399	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-kasan-gce	2021/06/07 23:40	net-next	9977d6f56bac	e59537be	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-kasan-gce	2021/06/07 12:04	net-next	1a42624aecba	e59537be	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-kasan-gce	2021/06/01 06:18	net-next	e099f3e8b71c	032639db	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-kasan-gce	2021/05/28 03:30	net-next	af9207adb6d9	858ea628	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-kasan-gce	2021/05/26 10:36	net-next	e4e92ee78702	54f0bcf1	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-kasan-gce	2021/05/24 21:52	net-next	ec7d6dd870d4	3c7fef33	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-kasan-gce	2021/05/23 07:33	net-next	f5120f599880	3c7fef33	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-kasan-gce	2021/05/22 14:17	net-next	f5120f599880	3c7fef33	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-kasan-gce	2021/05/21 12:44	net-next	86fe2f8aa14f	3c7fef33	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-kasan-gce	2021/05/20 12:53	net-next	a49e72b3bda7	c560a65d	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-upstream-net-kasan-gce	2021/05/19 23:37	net-next	bc6d076daa8c	a343ba6b	.config	log	report			info	WARNING in __ieee80211_beacon_get
ci-qemu-upstream-386	2020/11/24 17:58	upstream	d5beb3140f91	e34b696c	.config	log	report			info
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
ci-upstream-linux-next-kasan-gce-root	2020/11/24 19:14	linux-next	62918e6fd7b5	e34b696c	.config	log	report			info