------------[ cut here ]------------ WARNING: CPU: 0 PID: 3828 at net/mac80211/tx.c:4929 __ieee80211_beacon_get+0x1ab2/0x2110 net/mac80211/tx.c:5248 Modules linked in: CPU: 0 PID: 3828 Comm: syz-executor174 Not tainted 6.1.87-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4929 [inline] RIP: 0010:__ieee80211_beacon_get+0x1ab2/0x2110 net/mac80211/tx.c:5248 Code: ff e8 c2 28 78 f7 0f 0b e9 64 ff ff ff e8 b6 28 78 f7 0f 0b e9 79 e8 ff ff e8 aa 28 78 f7 0f 0b e9 9c ed ff ff e8 9e 28 78 f7 <0f> 0b e9 30 f1 ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 06 e9 RSP: 0000:ffffc9000478f780 EFLAGS: 00010246 RAX: ffffffff8a1266c2 RBX: 0000000000000000 RCX: ffff8880264fbb80 RDX: 0000000080000100 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc9000478f990 R08: ffffffff8a1257ec R09: ffffffff8a124ff2 R10: 0000000000000003 R11: ffff8880264fbb80 R12: dffffc0000000000 R13: 1ffff920008f1f08 R14: ffff88802890a260 R15: ffffffff8a124cc0 FS: 00007f75d55e26c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f75cd23a000 CR3: 0000000027cc2000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ieee80211_beacon_get_tim+0xb1/0x5d0 net/mac80211/tx.c:5335 ieee80211_beacon_get include/net/mac80211.h:5245 [inline] mac80211_hwsim_beacon_tx+0x1d2/0xaa0 drivers/net/wireless/mac80211_hwsim.c:2086 __iterate_interfaces+0x21e/0x4b0 net/mac80211/util.c:788 ieee80211_iterate_active_interfaces_atomic+0xd4/0x170 net/mac80211/util.c:824 mac80211_hwsim_beacon+0xd0/0x1e0 drivers/net/wireless/mac80211_hwsim.c:2142 __run_hrtimer kernel/time/hrtimer.c:1686 [inline] __hrtimer_run_queues+0x5e5/0xe50 kernel/time/hrtimer.c:1750 hrtimer_run_softirq+0x196/0x2c0 kernel/time/hrtimer.c:1767 __do_softirq+0x2e9/0xa4c kernel/softirq.c:571 invoke_softirq kernel/softirq.c:445 [inline] __irq_exit_rcu+0x155/0x240 kernel/softirq.c:650 irq_exit_rcu+0x5/0x20 kernel/softirq.c:662 sysvec_apic_timer_interrupt+0x43/0xb0 arch/x86/kernel/apic/apic.c:1106 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:653 RIP: 0033:0x7f75d562fcb0 Code: 49 8b 47 10 48 39 f0 72 6e 48 63 cd 48 01 c1 49 39 4f 08 72 4c 8d 4d ff 85 ed 74 33 66 0f 1f 44 00 00 48 39 f0 72 1b 4d 8b 07 <49> 89 c1 49 29 f1 47 0f b6 0c 08 45 84 c9 74 08 45 88 0c 00 49 8b RSP: 002b:00007f75d55e1710 EFLAGS: 00000202 RAX: 0000000000078f0e RBX: 00007f75d55e17b0 RCX: 0000000000000007 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 00007f75d55e1850 RBP: 0000000000000102 R08: 00007f75cd1c2000 R09: 0000000000000000 R10: 0000000000000000 R11: 00007f75d55e17c0 R12: 0000000000000001 R13: 00007f75d56bdb40 R14: 0000000000000000 R15: 00007f75d55e1850