------------[ cut here ]------------ no supported rates for sta (null) (0xffffffff, band 0) in rate_mask 0xfff with flags 0x40 WARNING: CPU: 1 PID: 5959 at net/mac80211/rate.c:385 __rate_control_send_low+0x635/0x880 net/mac80211/rate.c:380 Modules linked in: CPU: 1 PID: 5959 Comm: syz.3.27 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 RIP: 0010:__rate_control_send_low+0x635/0x880 net/mac80211/rate.c:380 Code: 30 42 0f b6 04 28 84 c0 0f 85 e6 01 00 00 41 8b 0e 48 c7 c7 80 9c be 8b 48 8b 74 24 10 44 8b 44 24 1c 45 89 e1 e8 eb 14 6a f7 <0f> 0b e9 78 fe ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 03 fa ff RSP: 0018:ffffc900001f0560 EFLAGS: 00010246 RAX: c34f4a092162b800 RBX: 000000000000000c RCX: ffff88807773bc00 RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000002 RBP: 0000000000000084 R08: ffffc900001f0167 R09: 1ffff9200003e02c R10: dffffc0000000000 R11: fffff5200003e02d R12: 0000000000000040 R13: dffffc0000000000 R14: ffff88807d633358 R15: ffff88807d1bc168 FS: 0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000007b3c7000 CR4: 00000000003506e0 Call Trace: rate_control_send_low+0x194/0x790 net/mac80211/rate.c:405 rate_control_get_rate+0x20b/0x5c0 net/mac80211/rate.c:921 ieee80211_beacon_get_finish+0x38d/0x6b0 net/mac80211/tx.c:5228 ieee80211_beacon_get_ap+0x1429/0x1970 net/mac80211/tx.c:5331 __ieee80211_beacon_get+0x10eb/0x1600 net/mac80211/tx.c:5427 ieee80211_beacon_get_tim+0xb8/0x560 net/mac80211/tx.c:5569 ieee80211_beacon_get include/net/mac80211.h:5440 [inline] mac80211_hwsim_beacon_tx+0x3c7/0x780 drivers/net/wireless/virtual/mac80211_hwsim.c:2265 __iterate_interfaces+0x243/0x500 net/mac80211/util.c:766 ieee80211_iterate_active_interfaces_atomic+0xdb/0x180 net/mac80211/util.c:802 mac80211_hwsim_beacon+0xbb/0x1b0 drivers/net/wireless/virtual/mac80211_hwsim.c:2295 __run_hrtimer kernel/time/hrtimer.c:1755 [inline] __hrtimer_run_queues+0x51e/0xc40 kernel/time/hrtimer.c:1819 hrtimer_run_softirq+0x187/0x2b0 kernel/time/hrtimer.c:1836 handle_softirqs+0x280/0x820 kernel/softirq.c:578 __do_softirq kernel/softirq.c:612 [inline] invoke_softirq kernel/softirq.c:452 [inline] __irq_exit_rcu+0xc7/0x190 kernel/softirq.c:661 irq_exit_rcu+0x9/0x20 kernel/softirq.c:673 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1088 [inline] sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1088 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687 RIP: 0010:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:160 [inline] RIP: 0010:_raw_spin_unlock_irq+0x29/0x50 kernel/locking/spinlock.c:202 Code: 00 f3 0f 1e fa 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 4a e0 ef f6 48 89 df e8 62 b2 f0 f6 e8 1d 51 14 f7 fb bf 01 00 00 00 b2 c9 e3 f6 65 8b 05 23 18 8c 75 85 c0 74 02 5b c3 e8 00 fa 88 RSP: 0018:ffffc90004b7f378 EFLAGS: 00000286 RAX: c34f4a092162b800 RBX: ffff8880234b2570 RCX: c34f4a092162b800 RDX: dffffc0000000000 RSI: ffffffff8aaaba20 RDI: 0000000000000001 RBP: ffffc90004b7f650 R08: ffffffff90da5517 R09: 1ffffffff21b4aa2 R10: dffffc0000000000 R11: fffffbfff21b4aa3 R12: dffffc0000000000 R13: 1ffff110046964ad R14: ffff8880234b2568 R15: ffff8880234b2570 spin_unlock_irq include/linux/spinlock.h:401 [inline] filemap_remove_folio+0xf9/0x2c0 mm/filemap.c:258 truncate_inode_folio+0x5d/0x70 mm/truncate.c:195 shmem_undo_range+0x3b9/0x1a40 mm/shmem.c:1023 shmem_truncate_range mm/shmem.c:1136 [inline] shmem_evict_inode+0x273/0xa70 mm/shmem.c:1265 evict+0x486/0x870 fs/inode.c:705 __dentry_kill+0x431/0x650 fs/dcache.c:611 dentry_kill+0xb8/0x290 fs/dcache.c:-1 dput+0xfe/0x1e0 fs/dcache.c:918 __fput+0x5e5/0x970 fs/file_table.c:392 task_work_run+0x1ce/0x250 kernel/task_work.c:239 exit_task_work include/linux/task_work.h:43 [inline] do_exit+0x90b/0x23c0 kernel/exit.c:883 do_group_exit+0x21b/0x2d0 kernel/exit.c:1024 get_signal+0x12fc/0x1400 kernel/signal.c:2902 arch_do_signal_or_restart+0x96/0x780 arch/x86/kernel/signal.c:310 exit_to_user_mode_loop+0x70/0x110 kernel/entry/common.c:174 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:210 __syscall_exit_to_user_mode_work kernel/entry/common.c:291 [inline] syscall_exit_to_user_mode+0x1a/0x50 kernel/entry/common.c:302 do_syscall_64+0x61/0xb0 arch/x86/entry/common.c:87 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f809dd8ebe9 Code: Unable to access opcode bytes at 0x7f809dd8ebbf. RSP: 002b:00007f809ec6a038 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 RAX: 000000000000000b RBX: 00007f809dfb5fa0 RCX: 00007f809dd8ebe9 RDX: 0000000000000651 RSI: 0000200000000000 RDI: 0000000000000004 RBP: 00007f809de11e19 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f809dfb6038 R14: 00007f809dfb5fa0 R15: 00007ffc21b4c0b8 ---------------- Code disassembly (best guess): 0: 00 f3 add %dh,%bl 2: 0f 1e fa nop %edx 5: 53 push %rbx 6: 48 89 fb mov %rdi,%rbx 9: 48 83 c7 18 add $0x18,%rdi d: 48 8b 74 24 08 mov 0x8(%rsp),%rsi 12: e8 4a e0 ef f6 call 0xf6efe061 17: 48 89 df mov %rbx,%rdi 1a: e8 62 b2 f0 f6 call 0xf6f0b281 1f: e8 1d 51 14 f7 call 0xf7145141 24: fb sti 25: bf 01 00 00 00 mov $0x1,%edi * 2a: e8 b2 c9 e3 f6 call 0xf6e3c9e1 <-- trapping instruction 2f: 65 8b 05 23 18 8c 75 mov %gs:0x758c1823(%rip),%eax # 0x758c1859 36: 85 c0 test %eax,%eax 38: 74 02 je 0x3c 3a: 5b pop %rbx 3b: c3 ret 3c: e8 .byte 0xe8 3d: 00 fa add %bh,%dl 3f: 88 .byte 0x88