------------[ cut here ]------------ no supported rates for sta (null) (0xffffffff, band 0) in rate_mask 0x0 with flags 0x0 WARNING: net/mac80211/rate.c:399 at __rate_control_send_low+0x61a/0x780 net/mac80211/rate.c:399, CPU#3: syz.1.9133/30339 Modules linked in: CPU: 3 UID: 0 PID: 30339 Comm: syz.1.9133 Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 RIP: 0010:__rate_control_send_low+0x62b/0x780 net/mac80211/rate.c:399 Code: f7 48 8b 44 24 10 8b ac a8 d4 00 00 00 e8 5d cd db f6 48 8d 3d d6 a0 05 06 44 8b 44 24 04 48 8b 74 24 10 45 89 f1 89 d9 89 ea <67> 48 0f b9 3a e9 25 fd ff ff 48 8b 7c 24 28 e8 a1 46 4c f7 e9 2e RSP: 0018:ffffc900006f88e8 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 00000000ffffffff RSI: 0000000000000000 RDI: ffffffff9133a3c0 RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000000000000 R10: 000000000000000c R11: 0000000000000000 R12: ffff88804260d7e8 R13: ffff8880630f3248 R14: 0000000000000000 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880d60ec000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c2a190a CR3: 000000000e992000 CR4: 0000000000352ef0 DR0: 0000000000000008 DR1: 0000000000000007 DR2: 0000000000000004 DR3: 0000000000000008 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Call Trace: rate_control_send_low+0x2a8/0x7e0 net/mac80211/rate.c:427 rate_control_get_rate+0x1be/0x5c0 net/mac80211/rate.c:935 ieee80211_beacon_get_finish+0x45a/0x690 net/mac80211/tx.c:5514 __ieee80211_beacon_get_ap+0x76e/0x10d0 net/mac80211/tx.c:5617 ieee80211_beacon_get_ap net/mac80211/tx.c:5679 [inline] __ieee80211_beacon_get+0x14fa/0x1ee0 net/mac80211/tx.c:5785 ieee80211_beacon_get_tim+0xa6/0x280 net/mac80211/tx.c:5927 ieee80211_beacon_get include/net/mac80211.h:5890 [inline] mac80211_hwsim_beacon_tx+0x4c7/0xa00 drivers/net/wireless/virtual/mac80211_hwsim_main.c:2478 __iterate_interfaces+0x2e6/0x650 net/mac80211/util.c:772 ieee80211_iterate_active_interfaces_atomic+0x71/0x1b0 net/mac80211/util.c:808 mac80211_hwsim_beacon+0xe5/0x2a0 drivers/net/wireless/virtual/mac80211_hwsim_main.c:2514 __run_hrtimer kernel/time/hrtimer.c:2032 [inline] __hrtimer_run_queues+0x462/0x9c0 kernel/time/hrtimer.c:2096 hrtimer_run_softirq+0x17d/0x2c0 kernel/time/hrtimer.c:2113 handle_softirqs+0x1ea/0x9b0 kernel/softirq.c:622 __do_softirq kernel/softirq.c:656 [inline] invoke_softirq kernel/softirq.c:496 [inline] __irq_exit_rcu+0x162/0x210 kernel/softirq.c:735 irq_exit_rcu+0x9/0x30 kernel/softirq.c:752 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1062 [inline] sysvec_apic_timer_interrupt+0xa3/0xc0 arch/x86/kernel/apic/apic.c:1062 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674 RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x70 kernel/kcov.c:210 Code: 36 e1 5e 00 48 89 df 5b e9 7d 5c 64 00 be 03 00 00 00 5b e9 32 53 13 03 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1e fa 65 8b 05 e5 6f 59 12 48 8b 34 24 65 48 8b 15 c1 6f 59 RSP: 0018:ffffc900242b74b8 EFLAGS: 00000282 RAX: 0000000000000000 RBX: 8000000058c48025 RCX: ffffffff825e2045 RDX: 8000000058c48025 RSI: 0000000000000000 RDI: ffff888024e92540 RBP: 0000000000000061 R08: 0000000000000007 R09: 0000000000000000 R10: 8000000058c48025 R11: 0000000000000000 R12: 1ffff92004856e99 R13: ffff888034ede780 R14: 00007efd6d659000 R15: 8000000058c48025 __pte_needs_invert arch/x86/include/asm/pgtable-invert.h:18 [inline] protnone_mask arch/x86/include/asm/pgtable-invert.h:24 [inline] pte_pfn arch/x86/include/asm/pgtable.h:259 [inline] vm_normal_page+0x9f/0x390 mm/memory.c:770 zap_present_ptes mm/memory.c:1700 [inline] do_zap_pte_range mm/memory.c:1832 [inline] zap_pte_range mm/memory.c:1934 [inline] zap_pmd_range mm/memory.c:2020 [inline] zap_pud_range mm/memory.c:2048 [inline] zap_p4d_range mm/memory.c:2069 [inline] __zap_vma_range+0xf67/0x4a30 mm/memory.c:2109 unmap_vmas+0x299/0x5f0 mm/memory.c:2178 exit_mmap+0x1ef/0xa00 mm/mmap.c:1300 __mmput+0x12a/0x410 kernel/fork.c:1187 mmput+0x67/0x80 kernel/fork.c:1210 exit_mm kernel/exit.c:610 [inline] do_exit+0x8b1/0x2ae0 kernel/exit.c:992 do_group_exit+0xd5/0x2a0 kernel/exit.c:1147 get_signal+0x1ec7/0x21e0 kernel/signal.c:3038 arch_do_signal_or_restart+0x91/0x7e0 arch/x86/kernel/signal.c:337 __exit_to_user_mode_loop kernel/entry/common.c:66 [inline] exit_to_user_mode_loop+0x139/0x6f0 kernel/entry/common.c:101 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline] syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:230 [inline] syscall_exit_to_user_mode include/linux/entry-common.h:318 [inline] do_syscall_64+0x666/0x870 arch/x86/entry/syscall_64.c:100 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7efd6d59de59 Code: Unable to access opcode bytes at 0x7efd6d59de2f. RSP: 002b:00007efd6e3f60e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 00007efd6d825fa8 RCX: 00007efd6d59de59 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007efd6d825fa8 RBP: 00007efd6d825fa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007efd6d826038 R14: 00007ffd9e1498a0 R15: 00007ffd9e149988 ---------------- Code disassembly (best guess), 1 bytes skipped: 0: 48 8b 44 24 10 mov 0x10(%rsp),%rax 5: 8b ac a8 d4 00 00 00 mov 0xd4(%rax,%rbp,4),%ebp c: e8 5d cd db f6 call 0xf6dbcd6e 11: 48 8d 3d d6 a0 05 06 lea 0x605a0d6(%rip),%rdi # 0x605a0ee 18: 44 8b 44 24 04 mov 0x4(%rsp),%r8d 1d: 48 8b 74 24 10 mov 0x10(%rsp),%rsi 22: 45 89 f1 mov %r14d,%r9d 25: 89 d9 mov %ebx,%ecx 27: 89 ea mov %ebp,%edx * 29: 67 48 0f b9 3a ud1 (%edx),%rdi <-- trapping instruction 2e: e9 25 fd ff ff jmp 0xfffffd58 33: 48 8b 7c 24 28 mov 0x28(%rsp),%rdi 38: e8 a1 46 4c f7 call 0xf74c46de 3d: e9 .byte 0xe9 3e: 2e cs