------------[ cut here ]------------ no supported rates for sta (null) (0xffffffff, band 0) in rate_mask 0x0 with flags 0x0 WARNING: net/mac80211/rate.c:401 at __rate_control_send_low+0x610/0x760 net/mac80211/rate.c:401, CPU#3: syz-executor/5947 Modules linked in: CPU: 3 UID: 0 PID: 5947 Comm: syz-executor 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+0x621/0x760 net/mac80211/rate.c:401 Code: f7 48 8b 44 24 10 8b ac a8 d4 00 00 00 e8 e7 cc 01 f7 48 8d 3d 30 55 e3 05 44 8b 44 24 04 48 8b 74 24 10 45 89 f1 89 d9 89 ea <67> 48 0f b9 3a e9 2f fd ff ff 48 8b 7c 24 08 e8 cb 5c 6e f7 e9 03 RSP: 0018:ffffc900006f8938 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 00000000ffffffff RSI: 0000000000000000 RDI: ffffffff90ea7fb0 RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000000000000 R10: 000000000000000c R11: 0000000000000000 R12: ffff888056735a68 R13: ffff88802a61b168 R14: 0000000000000000 R15: dffffc0000000000 FS: 0000555578880500(0000) GS:ffff8880d6639000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc2077456b8 CR3: 000000002d21a000 CR4: 0000000000352ef0 Call Trace: rate_control_send_low+0x2a8/0x7e0 net/mac80211/rate.c:429 rate_control_get_rate+0x1be/0x5c0 net/mac80211/rate.c:943 ieee80211_beacon_get_finish+0x45a/0x690 net/mac80211/tx.c:5367 __ieee80211_beacon_get+0x795/0x1ee0 net/mac80211/tx.c:5669 ieee80211_beacon_get_tim+0xa6/0x280 net/mac80211/tx.c:5780 ieee80211_beacon_get include/net/mac80211.h:5720 [inline] mac80211_hwsim_beacon_tx+0x4d6/0xa00 drivers/net/wireless/virtual/mac80211_hwsim.c:2361 __iterate_interfaces+0x2e6/0x650 net/mac80211/util.c:760 ieee80211_iterate_active_interfaces_atomic+0x71/0x1b0 net/mac80211/util.c:796 mac80211_hwsim_beacon+0x105/0x1b0 drivers/net/wireless/virtual/mac80211_hwsim.c:2395 __run_hrtimer kernel/time/hrtimer.c:1785 [inline] __hrtimer_run_queues+0x50e/0xa70 kernel/time/hrtimer.c:1849 hrtimer_run_softirq+0x17d/0x350 kernel/time/hrtimer.c:1866 handle_softirqs+0x1eb/0x9e0 kernel/softirq.c:622 __do_softirq kernel/softirq.c:656 [inline] invoke_softirq kernel/softirq.c:496 [inline] __irq_exit_rcu+0xef/0x150 kernel/softirq.c:723 irq_exit_rcu+0x9/0x30 kernel/softirq.c:739 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1056 [inline] sysvec_apic_timer_interrupt+0xa3/0xc0 arch/x86/kernel/apic/apic.c:1056 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697 RIP: 0010:kasan_check_range+0xfc/0x1e0 mm/kasan/generic.c:201 Code: c0 01 48 39 c2 74 1d 80 38 00 74 f2 ba 01 00 00 00 48 85 c0 74 2c 41 83 e2 07 49 39 c1 75 15 45 3a 11 7d 10 ba 01 00 00 00 5b <5d> 89 d0 41 5c c3 cc cc cc cc 41 0f b6 d0 e8 31 e5 ff ff 83 f0 01 RSP: 0018:ffffc9000358f550 EFLAGS: 00000246 RAX: fffff94000253429 RBX: ffffea000129a140 RCX: ffffffff8257fcad RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffffea000129a140 RBP: fffff94000253428 R08: 0000000000000000 R09: fffff94000253428 R10: ffffea000129a147 R11: 0000000000000000 R12: ffffea000129a140 R13: 0000000000000001 R14: ffff888029767410 R15: ffffea000129a140 instrument_atomic_read include/linux/instrumented.h:82 [inline] _test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline] folio_test_head include/linux/page-flags.h:844 [inline] folio_test_large+0x4d/0xa0 include/linux/page-flags.h:865 copy_present_ptes mm/memory.c:1146 [inline] copy_pte_range mm/memory.c:1317 [inline] copy_pmd_range mm/memory.c:1405 [inline] copy_pud_range mm/memory.c:1442 [inline] copy_p4d_range mm/memory.c:1466 [inline] copy_page_range+0x3874/0x6600 mm/memory.c:1552 dup_mmap+0xd25/0x2180 mm/mmap.c:1841 dup_mm kernel/fork.c:1531 [inline] copy_mm kernel/fork.c:1583 [inline] copy_process+0x7523/0x7a40 kernel/fork.c:2223 kernel_clone+0xfc/0x9a0 kernel/fork.c:2653 __do_sys_clone+0xd9/0x120 kernel/fork.c:2794 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x106/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fc2069c5292 Code: 89 e7 e8 71 8b f7 ff 45 31 c0 31 d2 31 f6 64 48 8b 04 25 10 00 00 00 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 66 89 c5 85 c0 75 3b 64 48 8b 04 25 10 00 00 RSP: 002b:00007ffc913c8350 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007ffc913c8350 RCX: 00007fc2069c5292 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 RBP: 00007ffc913c84dc R08: 0000000000000000 R09: 0000000000000001 R10: 00005555788807d0 R11: 0000000000000246 R12: 0000000000000001 R13: 00000000000927c0 R14: 000000000002f0ff R15: 00007ffc913c8530 ---------------- Code disassembly (best guess): 0: f7 48 8b 44 24 10 8b testl $0x8b102444,-0x75(%rax) 7: ac lods %ds:(%rsi),%al 8: a8 d4 test $0xd4,%al a: 00 00 add %al,(%rax) c: 00 e8 add %ch,%al e: e7 cc out %eax,$0xcc 10: 01 f7 add %esi,%edi 12: 48 8d 3d 30 55 e3 05 lea 0x5e35530(%rip),%rdi # 0x5e35549 19: 44 8b 44 24 04 mov 0x4(%rsp),%r8d 1e: 48 8b 74 24 10 mov 0x10(%rsp),%rsi 23: 45 89 f1 mov %r14d,%r9d 26: 89 d9 mov %ebx,%ecx 28: 89 ea mov %ebp,%edx * 2a: 67 48 0f b9 3a ud1 (%edx),%rdi <-- trapping instruction 2f: e9 2f fd ff ff jmp 0xfffffd63 34: 48 8b 7c 24 08 mov 0x8(%rsp),%rdi 39: e8 cb 5c 6e f7 call 0xf76e5d09 3e: e9 .byte 0xe9 3f: 03 .byte 0x3