------------[ cut here ]------------ no supported rates for sta (null) (0xffffffff, band 0) in rate_mask 0xfff with flags 0x40 WARNING: CPU: 0 PID: 7252 at net/mac80211/rate.c:385 __rate_control_send_low+0x574/0x774 net/mac80211/rate.c:380 Modules linked in: CPU: 0 PID: 7252 Comm: syz.4.731 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : __rate_control_send_low+0x574/0x774 net/mac80211/rate.c:380 lr : __rate_control_send_low+0x574/0x774 net/mac80211/rate.c:380 sp : ffff8000080075b0 x29: ffff800008007600 x28: ffff0000dd633390 x27: 000000000000000c x26: dfff800000000000 x25: ffff0000dd6333a0 x24: ffff0000d817da28 x23: 0000000000000040 x22: 1fffe0001bac6674 x21: ffff0000dd633398 x20: ffff0000dd630ea0 x19: dfff800000000000 x18: 0000000000080000 x17: 6d5f65746172206e x16: ffff8000082d9364 x15: 0000000000000000 x14: 0000000000000001 x13: 1fffe00033ea87a3 x12: 0000000000ff0100 x11: ff00800008194238 x10: 0000000000000000 x9 : 5e321fdfbb958000 x8 : 5e321fdfbb958000 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff800008007038 x4 : ffff8000152f4cc0 x3 : ffff80000853857c x2 : 0000000000000001 x1 : 0000000000000100 x0 : 0000000000000000 Call trace: __rate_control_send_low+0x574/0x774 net/mac80211/rate.c:380 rate_control_send_low+0x164/0x684 net/mac80211/rate.c:405 rate_control_get_rate+0x1a0/0x4c0 net/mac80211/rate.c:921 ieee80211_beacon_get_finish+0x2f4/0x5d8 net/mac80211/tx.c:5131 ieee80211_beacon_get_ap+0xd5c/0x1128 net/mac80211/tx.c:5234 __ieee80211_beacon_get+0xe24/0x12bc net/mac80211/tx.c:5330 ieee80211_beacon_get_tim+0x70/0x44c net/mac80211/tx.c:5472 ieee80211_beacon_get include/net/mac80211.h:5335 [inline] mac80211_hwsim_beacon_tx+0x1e8/0x914 drivers/net/wireless/mac80211_hwsim.c:2091 __iterate_interfaces+0x204/0x484 net/mac80211/util.c:788 ieee80211_iterate_active_interfaces_atomic+0xd4/0x180 net/mac80211/util.c:824 mac80211_hwsim_beacon+0xc8/0x1b8 drivers/net/wireless/mac80211_hwsim.c:2147 __run_hrtimer kernel/time/hrtimer.c:1747 [inline] __hrtimer_run_queues+0x434/0xc34 kernel/time/hrtimer.c:1811 hrtimer_run_softirq+0x160/0x400 kernel/time/hrtimer.c:1828 handle_softirqs+0x318/0xc60 kernel/softirq.c:596 __do_softirq+0x14/0x20 kernel/softirq.c:630 ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 call_on_irq_stack+0x30/0x48 arch/arm64/kernel/entry.S:897 do_softirq_own_stack+0x20/0x2c arch/arm64/kernel/irq.c:85 invoke_softirq kernel/softirq.c:477 [inline] __irq_exit_rcu+0x23c/0x438 kernel/softirq.c:679 irq_exit_rcu+0x14/0x84 kernel/softirq.c:691 __el1_irq arch/arm64/kernel/entry-common.c:472 [inline] el1_interrupt+0x38/0x54 arch/arm64/kernel/entry-common.c:486 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:491 el1h_64_irq+0x64/0x68 arch/arm64/kernel/entry.S:581 __lse__cmpxchg_double_mb arch/arm64/include/asm/atomic_lse.h:323 [inline] __cmpxchg_double_mb arch/arm64/include/asm/cmpxchg.h:146 [inline] cmpxchg_double_slab+0xec/0x2a8 mm/slub.c:552 __slab_free+0x9c/0x268 mm/slub.c:3546 do_slab_free mm/slub.c:3641 [inline] ___cache_free+0x168/0x198 mm/slub.c:3694 qlink_free+0x5c/0xa0 mm/kasan/quarantine.c:168 qlist_free_all+0x3c/0xcc mm/kasan/quarantine.c:187 kasan_quarantine_reduce+0x124/0x130 mm/kasan/quarantine.c:294 __kasan_slab_alloc+0x2c/0x88 mm/kasan/common.c:306 kasan_slab_alloc include/linux/kasan.h:201 [inline] slab_post_alloc_hook+0x74/0x430 mm/slab.h:737 slab_alloc_node mm/slub.c:3359 [inline] slab_alloc mm/slub.c:3367 [inline] __kmem_cache_alloc_lru mm/slub.c:3374 [inline] kmem_cache_alloc+0x22c/0x308 mm/slub.c:3383 zswap_entry_cache_alloc mm/zswap.c:289 [inline] zswap_frontswap_store+0x388/0x11d0 mm/zswap.c:1170 __frontswap_store+0x284/0x430 mm/frontswap.c:186 frontswap_store include/linux/frontswap.h:66 [inline] swap_writepage+0x108/0x18c mm/page_io.c:200 shmem_writepage+0xc40/0xee8 mm/shmem.c:1452 pageout mm/vmscan.c:1287 [inline] shrink_folio_list+0x252c/0x44e8 mm/vmscan.c:1950 reclaim_folio_list mm/vmscan.c:2695 [inline] reclaim_pages+0x56c/0x78c mm/vmscan.c:2731 madvise_cold_or_pageout_pte_range+0x11c0/0x189c mm/madvise.c:403 walk_pmd_range mm/pagewalk.c:128 [inline] walk_pud_range mm/pagewalk.c:205 [inline] walk_p4d_range mm/pagewalk.c:240 [inline] walk_pgd_range+0x818/0xfa4 mm/pagewalk.c:277 __walk_page_range+0x124/0x51c mm/pagewalk.c:379 walk_page_range+0x31c/0x4b4 mm/pagewalk.c:477 madvise_pageout_page_range mm/madvise.c:552 [inline] madvise_pageout mm/madvise.c:589 [inline] madvise_vma_behavior mm/madvise.c:1030 [inline] madvise_walk_vmas mm/madvise.c:1259 [inline] do_madvise+0x18ac/0x28e4 mm/madvise.c:1438 __do_sys_madvise mm/madvise.c:1451 [inline] __se_sys_madvise mm/madvise.c:1449 [inline] __arm64_sys_madvise+0xa4/0xc0 mm/madvise.c:1449 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b4 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x130 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x128 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 irq event stamp: 86849 hardirqs last enabled at (86848): [] __up_console_sem+0xb4/0xfc kernel/printk/printk.c:261 hardirqs last disabled at (86849): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (86390): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (86390): [] handle_softirqs+0xaec/0xc60 kernel/softirq.c:624 softirqs last disabled at (86809): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]---