WARNING in __ieee80211_beacon

Title	Replies (including bot)	Last reply
[PATCH wireless] wifi: mac80211: don't WARN for late channel/color switch	1 (6)	2025/06/17 08:49

Title

Replies (including bot)

Last reply

[PATCH wireless] wifi: mac80211: don't WARN for late channel/color switch

1 (6)

2025/06/17 08:49

Kernel	Title	Rank 🛈	Repro	Cause bisect	Count	Last	Reported	Patched	Status
linux-6.6	WARNING in __ieee80211_beacon_get origin:lts-only	-1	C		292	52m	22d	0/2	upstream: reported C repro on 2025/06/17 09:14
linux-4.19	WARNING in __ieee80211_beacon_get (3)	-1	C		224	855d	1361d	0/1	upstream: reported C repro on 2021/10/16 16:09
upstream	WARNING in __ieee80211_beacon_get wireless	-1	C	done	143787	9d03h	1738d	28/29	upstream: reported C repro on 2020/10/05 08:38
linux-5.15	WARNING in __ieee80211_beacon_get origin:upstream	-1	C		11483	34m	853d	0/3	upstream: reported C repro on 2023/03/08 22:50
linux-4.19	WARNING in __ieee80211_beacon_get	-1			2	1648d	1652d	0/1	auto-closed as invalid on 2021/05/02 15:33
linux-6.1	WARNING in __ieee80211_beacon_get origin:upstream missing-backport	-1	C		9509	now	849d	0/3	upstream: reported C repro on 2023/03/13 04:41
linux-4.19	WARNING in __ieee80211_beacon_get (2)	-1			4	1496d	1522d	0/1	auto-closed as invalid on 2021/10/02 04:19

ieee80211 phy4: mac80211_hwsim_config (freq=2422(2422 - 0)/noht idle=0 ps=0 smps=static) ieee80211 phy4: mac80211_hwsim_bss_info_changed(changed=0x100 vif->addr=02:00:00:00:04:00) ieee80211 phy2: mac80211_hwsim_config (freq=2422(2422 - 0)/noht idle=0 ps=0 smps=static) ------------[ cut here ]------------ ieee80211 phy3: mac80211_hwsim_config (freq=2422(2422 - 0)/noht idle=0 ps=0 smps=static) WARNING: CPU: 0 PID: 25111 at net/mac80211/tx.c:4051 __ieee80211_csa_update_counter net/mac80211/tx.c:4051 [inline] WARNING: CPU: 0 PID: 25111 at net/mac80211/tx.c:4051 __ieee80211_csa_update_counter net/mac80211/tx.c:4046 [inline] WARNING: CPU: 0 PID: 25111 at net/mac80211/tx.c:4051 __ieee80211_beacon_get+0x143e/0x1820 net/mac80211/tx.c:4219 Kernel panic - not syncing: panic_on_warn set ... ieee80211 phy5: mac80211_hwsim_config (freq=2422(2422 - 0)/noht idle=0 ps=0 smps=static) CPU: 0 PID: 25111 Comm: kworker/u4:8 Not tainted 4.14.202-syzkaller #0 ieee80211 phy3: mac80211_hwsim_bss_info_changed(changed=0x100 vif->addr=02:00:00:00:03:00) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: ieee80211 phy5: mac80211_hwsim_bss_info_changed(changed=0x100 vif->addr=02:00:00:00:05:00) <IRQ> ieee80211 phy2: mac80211_hwsim_bss_info_changed(changed=0x100 vif->addr=02:00:00:00:02:00) __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x283 lib/dump_stack.c:58 panic+0x1f9/0x42d kernel/panic.c:183 __warn.cold+0x20/0x4b kernel/panic.c:547 report_bug+0x208/0x249 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:177 [inline] fixup_bug arch/x86/kernel/traps.c:172 [inline] do_error_trap+0x195/0x2d0 arch/x86/kernel/traps.c:295 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:964 RIP: 0010:__ieee80211_csa_update_counter net/mac80211/tx.c:4051 [inline] RIP: 0010:__ieee80211_csa_update_counter net/mac80211/tx.c:4046 [inline] RIP: 0010:__ieee80211_beacon_get+0x143e/0x1820 net/mac80211/tx.c:4219 RSP: 0000:ffff8880ba407c78 EFLAGS: 00010206 RAX: ffff888076ff0600 RBX: ffff8880a4072a70 RCX: 0000000000000000 RDX: 0000000000000100 RSI: 00000000ffffffff RDI: ffff8880a591a924 RBP: ffff8880a2891720 R08: 0000000000000001 R09: ffff8880ba407d98 R10: ffff8880ba407d9f R11: ffff888076ff0600 R12: 0000000000000001 R13: ffff8880a591a900 R14: 1ffff11017480faf R15: ffff8880ba407d98 ieee80211_beacon_get_tim+0x78/0x750 net/mac80211/tx.c:4335 ieee80211_beacon_get include/net/mac80211.h:4401 [inline] mac80211_hwsim_beacon_tx+0xd8/0x570 drivers/net/wireless/mac80211_hwsim.c:1520 __iterate_interfaces+0x247/0x3c0 net/mac80211/util.c:613 ieee80211_iterate_active_interfaces_atomic+0x74/0x130 net/mac80211/util.c:649 mac80211_hwsim_beacon+0xbe/0x180 drivers/net/wireless/mac80211_hwsim.c:1558 __tasklet_hrtimer_trampoline+0x29/0xa0 kernel/softirq.c:618 tasklet_hi_action+0x195/0x330 kernel/softirq.c:549 __do_softirq+0x254/0xa1d kernel/softirq.c:288 invoke_softirq kernel/softirq.c:368 [inline] irq_exit+0x193/0x240 kernel/softirq.c:409 exiting_irq arch/x86/include/asm/apic.h:648 [inline] smp_apic_timer_interrupt+0x141/0x5e0 arch/x86/kernel/apic/apic.c:1102 apic_timer_interrupt+0x93/0xa0 arch/x86/entry/entry_64.S:793 </IRQ> RIP: 0010:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:169 [inline] RIP: 0010:_raw_spin_unlock_irq+0x50/0x80 kernel/locking/spinlock.c:200 RSP: 0000:ffff88807499fd18 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff10 RAX: 1ffffffff11e121b RBX: ffff888076ff0600 RCX: 0000000000000000 RDX: dffffc0000000000 RSI: 0000000000000001 RDI: ffff888076ff0e84 RBP: ffff8880ba42a2c0 R08: ffffffff8b9aca48 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880ba42a2c0 R13: ffff8880a15ee080 R14: 0000000000000000 R15: ffff8880ba42ac10 finish_lock_switch kernel/sched/sched.h:1352 [inline] finish_task_switch+0x178/0x610 kernel/sched/core.c:2675 context_switch kernel/sched/core.c:2811 [inline] __schedule+0x893/0x1de0 kernel/sched/core.c:3384 schedule+0x8d/0x1b0 kernel/sched/core.c:3428 worker_thread+0x14b/0xff0 kernel/workqueue.c:2271 kthread+0x30d/0x420 kernel/kthread.c:232 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404 Kernel Offset: disabled