------------[ cut here ]------------ no supported rates for sta (null) (0xffffffff, band 0) in rate_mask 0x0 with flags 0x0 WARNING: CPU: 0 PID: 22133 at net/mac80211/rate.c:398 __rate_control_send_low+0x661/0x780 net/mac80211/rate.c:398 Modules linked in: CPU: 0 UID: 0 PID: 22133 Comm: syz.5.7374 Not tainted 6.16.0-rc4-syzkaller-00049-gb4911fb0b060 #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:__rate_control_send_low+0x661/0x780 net/mac80211/rate.c:398 Code: a4 a0 d4 00 00 00 e8 ae f9 c4 f6 44 8b 44 24 24 45 89 e9 89 d9 48 8b 74 24 08 44 89 e2 48 c7 c7 a0 a9 06 8d e8 d0 b9 83 f6 90 <0f> 0b 90 90 e9 26 fd ff ff 48 8b 3c 24 e8 4d d5 2b f7 e9 fb fc ff RSP: 0018:ffffc90000007870 EFLAGS: 00010282 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff817ae278 RDX: ffff88802c40a440 RSI: ffffffff817ae285 RDI: 0000000000000001 RBP: ffff88804f494668 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff R13: 0000000000000000 R14: 000000000000000c R15: ffff88804f494670 FS: 0000000000000000(0000) GS:ffff8880d6752000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000000400 CR3: 00000000488c4000 CR4: 0000000000352ef0 Call Trace: rate_control_send_low+0x29a/0x820 net/mac80211/rate.c:423 rate_control_get_rate+0x1be/0x5e0 net/mac80211/rate.c:934 ieee80211_beacon_get_finish+0x467/0x670 net/mac80211/tx.c:5252 ieee80211_beacon_get_ap+0x79d/0x1190 net/mac80211/tx.c:5355 __ieee80211_beacon_get+0xf05/0x1750 net/mac80211/tx.c:5451 ieee80211_beacon_get_tim+0xa6/0x280 net/mac80211/tx.c:5593 ieee80211_beacon_get include/net/mac80211.h:5638 [inline] mac80211_hwsim_beacon_tx+0x4d9/0xa40 drivers/net/wireless/virtual/mac80211_hwsim.c:2319 __iterate_interfaces+0x2e2/0x650 net/mac80211/util.c:761 ieee80211_iterate_active_interfaces_atomic+0x71/0x1b0 net/mac80211/util.c:797 mac80211_hwsim_beacon+0x105/0x200 drivers/net/wireless/virtual/mac80211_hwsim.c:2353 __run_hrtimer kernel/time/hrtimer.c:1761 [inline] __hrtimer_run_queues+0x1ff/0xad0 kernel/time/hrtimer.c:1825 hrtimer_run_softirq+0x17d/0x350 kernel/time/hrtimer.c:1842 handle_softirqs+0x219/0x8e0 kernel/softirq.c:579 __do_softirq kernel/softirq.c:613 [inline] invoke_softirq kernel/softirq.c:453 [inline] __irq_exit_rcu+0x109/0x170 kernel/softirq.c:680 irq_exit_rcu+0x9/0x30 kernel/softirq.c:696 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1050 [inline] sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1050 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:__kasan_check_read+0x8/0x20 mm/kasan/shadow.c:31 Code: 60 48 c7 c7 58 a7 c6 8d 5b 5d 41 5c e9 a1 eb 77 ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 48 8b 0c 24 <89> f6 31 d2 e9 5f f0 ff ff 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f RSP: 0018:ffffc90003df75b0 EFLAGS: 00000246 RAX: ffffea000126e140 RBX: ffffea000126e140 RCX: ffffffff820fda0b RDX: ffff88802c40a440 RSI: 0000000000000008 RDI: ffffea000126e140 RBP: 0000000000000001 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: ffffea000126e140 R13: ffff888055d4b2c0 R14: ffffea000126e140 R15: 0000000000000000 instrument_atomic_read include/linux/instrumented.h:68 [inline] _test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline] folio_test_head include/linux/page-flags.h:867 [inline] folio_test_large include/linux/page-flags.h:888 [inline] __folio_remove_rmap mm/rmap.c:1698 [inline] folio_remove_rmap_ptes+0x4b/0x970 mm/rmap.c:1804 zap_present_folio_ptes mm/memory.c:1529 [inline] zap_present_ptes mm/memory.c:1590 [inline] do_zap_pte_range mm/memory.c:1691 [inline] zap_pte_range mm/memory.c:1735 [inline] zap_pmd_range mm/memory.c:1827 [inline] zap_pud_range mm/memory.c:1856 [inline] zap_p4d_range mm/memory.c:1877 [inline] unmap_page_range+0x1c1c/0x4350 mm/memory.c:1898 unmap_single_vma.constprop.0+0x153/0x240 mm/memory.c:1941 unmap_vmas+0x218/0x470 mm/memory.c:1985 exit_mmap+0x1b9/0xb90 mm/mmap.c:1284 __mmput+0x12a/0x410 kernel/fork.c:1121 mmput+0x62/0x70 kernel/fork.c:1144 exit_mm kernel/exit.c:581 [inline] do_exit+0x7c4/0x2bd0 kernel/exit.c:952 do_group_exit+0xd3/0x2a0 kernel/exit.c:1105 get_signal+0x2673/0x26d0 kernel/signal.c:3034 arch_do_signal_or_restart+0x8f/0x7d0 arch/x86/kernel/signal.c:337 exit_to_user_mode_loop+0x84/0x110 kernel/entry/common.c:111 exit_to_user_mode_prepare include/linux/entry-common.h:330 [inline] syscall_exit_to_user_mode_work include/linux/entry-common.h:414 [inline] syscall_exit_to_user_mode include/linux/entry-common.h:449 [inline] do_syscall_64+0x3f6/0x4c0 arch/x86/entry/syscall_64.c:100 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f178618e929 Code: Unable to access opcode bytes at 0x7f178618e8ff. RSP: 002b:00007f1786f3f0e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 00007f17863b5fa8 RCX: 00007f178618e929 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f17863b5fa8 RBP: 00007f17863b5fa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f17863b5fac R13: 0000000000000000 R14: 00007ffccad9d440 R15: 00007ffccad9d528 ---------------- Code disassembly (best guess), 1 bytes skipped: 0: 48 c7 c7 58 a7 c6 8d mov $0xffffffff8dc6a758,%rdi 7: 5b pop %rbx 8: 5d pop %rbp 9: 41 5c pop %r12 b: e9 a1 eb 77 ff jmp 0xff77ebb1 10: 90 nop 11: 90 nop 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop 16: 90 nop 17: 90 nop 18: 90 nop 19: 90 nop 1a: 90 nop 1b: 90 nop 1c: 90 nop 1d: 90 nop 1e: 90 nop 1f: 90 nop 20: 90 nop 21: f3 0f 1e fa endbr64 25: 48 8b 0c 24 mov (%rsp),%rcx * 29: 89 f6 mov %esi,%esi <-- trapping instruction 2b: 31 d2 xor %edx,%edx 2d: e9 5f f0 ff ff jmp 0xfffff091 32: 66 66 2e 0f 1f 84 00 data16 cs nopw 0x0(%rax,%rax,1) 39: 00 00 00 00 3d: 0f .byte 0xf 3e: 1f (bad)