------------[ cut here ]------------ WARNING: CPU: 1 PID: 21 at net/mac80211/tx.c:4929 __ieee80211_beacon_get+0x1ab2/0x2110 net/mac80211/tx.c:5248 Modules linked in: CPU: 1 PID: 21 Comm: ksoftirqd/1 Not tainted 6.1.80-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 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 72 11 79 f7 0f 0b e9 64 ff ff ff e8 66 11 79 f7 0f 0b e9 79 e8 ff ff e8 5a 11 79 f7 0f 0b e9 9c ed ff ff e8 4e 11 79 f7 <0f> 0b e9 30 f1 ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 06 e9 RSP: 0018:ffffc900001b76c0 EFLAGS: 00010246 RAX: ffffffff8a116dc2 RBX: 0000000000000000 RCX: ffff8880126d1dc0 RDX: 0000000080000100 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc900001b78d0 R08: ffffffff8a115eec R09: ffffffff8a1156f2 R10: 0000000000000003 R11: ffff8880126d1dc0 R12: dffffc0000000000 R13: 1ffff92000036ef0 R14: ffff888020ac6260 R15: ffffffff8a1153c0 FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020404030 CR3: 000000001e0e6000 CR4: 00000000003506e0 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 run_ksoftirqd+0xc1/0x120 kernel/softirq.c:934 smpboot_thread_fn+0x52c/0xa30 kernel/smpboot.c:164 kthread+0x28d/0x320 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306