WARNING in ieee80211_ibss_csa

Kernel	Title	Rank 🛈	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
upstream	WARNING in ieee80211_ibss_csa_beacon wireless	-1	C	error		4997	1106d	1976d	22/29	fixed on 2023/02/24 13:50
linux-5.15	WARNING in ieee80211_ibss_csa_beacon (3)	-1				11	12d	224d	0/3	upstream: reported on 2025/07/26 04:50
linux-6.6	WARNING in ieee80211_ibss_csa_beacon	-1				1	254d	254d	0/2	auto-obsoleted due to no activity on 2025/10/03 10:51
linux-6.1	WARNING in ieee80211_ibss_csa_beacon (2)	-1				10	1d13h	109d	0/3	upstream: reported on 2025/11/18 07:37
linux-4.19	WARNING in ieee80211_ibss_csa_beacon	-1	C		error	1037	1096d	1931d	0/1	upstream: reported C repro on 2020/11/22 05:50
linux-4.14	WARNING in ieee80211_ibss_csa_beacon	-1	C			1	1112d	1944d	0/1	upstream: reported C repro on 2020/11/08 18:28
linux-5.15	WARNING in ieee80211_ibss_csa_beacon	-1				504	483d	1094d	0/3	auto-obsoleted due to no activity on 2025/01/17 15:26
linux-5.15	WARNING in ieee80211_ibss_csa_beacon (2)	-1				15	323d	408d	0/3	auto-obsoleted due to no activity on 2025/07/10 03:17
upstream	WARNING in ieee80211_ibss_csa_beacon (2) wireless	-1				2892	768d	1102d	0/29	auto-obsoleted due to no activity on 2024/04/07 10:40
linux-6.1	WARNING in ieee80211_ibss_csa_beacon	-1				318	209d	1095d	0/3	auto-obsoleted due to no activity on 2025/10/18 20:45

------------[ cut here ]------------ WARNING: CPU: 1 PID: 12 at net/mac80211/ibss.c:501 ieee80211_ibss_csa_beacon+0x5bd/0x6a0 net/mac80211/ibss.c:501 Modules linked in: CPU: 1 PID: 12 Comm: kworker/u4:1 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026 Workqueue: events_unbound cfg80211_wiphy_work RIP: 0010:ieee80211_ibss_csa_beacon+0x5bd/0x6a0 net/mac80211/ibss.c:501 Code: f7 c6 05 44 87 7d 04 01 48 c7 c7 00 a4 de 8b be fe 01 00 00 48 c7 c2 a0 a4 de 8b e8 0d e2 70 f7 e9 5f fe ff ff e8 d3 1f 8f f7 <0f> 0b b8 ea ff ff ff e9 7a ff ff ff e8 c2 1f 8f f7 0f 0b e9 b2 fa RSP: 0018:ffffc900001172e0 EFLAGS: 00010283 RAX: ffffffff89f7f4dd RBX: ffff888059298700 RCX: 0000000000100000 RDX: ffffc900181f9000 RSI: 0000000000005688 RDI: 0000000000005689 RBP: 1ffff11008b062b3 R08: ffffffff911bf5c7 R09: 1ffffffff2237eb8 R10: dffffc0000000000 R11: fffffbfff2237eb9 R12: ffffc900001174c0 R13: ffff888045831598 R14: ffff888045831a88 R15: ffff888045830c80 FS: 0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000020000007b030 CR3: 000000005c521000 CR4: 00000000003506e0 Call Trace: <TASK> ieee80211_set_csa_beacon+0x77e/0xa10 net/mac80211/cfg.c:3826 __ieee80211_channel_switch net/mac80211/cfg.c:3954 [inline] ieee80211_channel_switch+0x7e9/0xe70 net/mac80211/cfg.c:3999 ieee80211_ibss_process_chanswitch+0x9d6/0xd70 net/mac80211/ibss.c:892 ieee80211_rx_mgmt_spectrum_mgmt net/mac80211/ibss.c:931 [inline] ieee80211_ibss_rx_queued_mgmt+0x1045/0x2c80 net/mac80211/ibss.c:1666 ieee80211_iface_process_skb net/mac80211/iface.c:1651 [inline] ieee80211_iface_work+0x717/0xc70 net/mac80211/iface.c:1705 cfg80211_wiphy_work+0x225/0x260 net/wireless/core.c:437 process_one_work kernel/workqueue.c:2634 [inline] process_scheduled_works+0xa5d/0x15d0 kernel/workqueue.c:2711 worker_thread+0xa55/0xfc0 kernel/workqueue.c:2792 kthread+0x2fa/0x390 kernel/kthread.c:388 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:152 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:293 </TASK>

Crashes (2):
Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Assets (help?)	Manager	Title
2026/02/10 07:22	linux-6.6.y	c56aaf1a85ae	4ab09a02	.config	console log	report			info	[disk image] [vmlinux] [kernel image]	ci2-linux-6-6-kasan	WARNING in ieee80211_ibss_csa_beacon
2025/11/29 13:50	linux-6.6.y	1e89a1be4fe9	d6526ea3	.config	console log	report			info	[disk image] [vmlinux] [kernel image]	ci2-linux-6-6-kasan	WARNING in ieee80211_ibss_csa_beacon

Crashes (2):

Assets (help?)