------------[ cut here ]------------
no supported rates for sta (null) (0xffffffff, band 0) in rate_mask 0xfff with flags 0x40
WARNING: CPU: 1 PID: 5831 at net/mac80211/rate.c:404 __rate_control_send_low+0x63b/0x890 net/mac80211/rate.c:399
Modules linked in:
CPU: 1 UID: 0 PID: 5831 Comm: syz-executor Not tainted 6.15.0-rc5-syzkaller-00136-g4d64321c4f6f #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:__rate_control_send_low+0x63b/0x890 net/mac80211/rate.c:399
Code: 42 0f b6 04 28 84 c0 0f 85 e9 01 00 00 41 8b 0e 48 c7 c7 60 38 8c 8c 48 8b 74 24 10 44 8b 44 24 1c 45 89 e1 e8 b6 aa b6 f6 90 <0f> 0b 90 90 e9 6f fe ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c fb
RSP: 0018:ffffc90000a08540 EFLAGS: 00010246
RAX: 84afe76b97e81d00 RBX: 000000000000000c RCX: ffff88802c74bc00
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000002
RBP: 0000000000000084 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff1bba4b4 R12: 0000000000000040
R13: dffffc0000000000 R14: ffff8880112730d8 R15: ffff888031d1ea28
FS: 0000555555c19500(0000) GS:ffff8881261cc000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fadd42e56c0 CR3: 0000000060dbe000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
rate_control_send_low+0x194/0x7a0 net/mac80211/rate.c:424
rate_control_get_rate+0x20b/0x5d0 net/mac80211/rate.c:940
ieee80211_beacon_get_finish+0x38c/0x6b0 net/mac80211/tx.c:5256
ieee80211_beacon_get_ap+0x1478/0x19e0 net/mac80211/tx.c:5359
__ieee80211_beacon_get+0x1110/0x1630 net/mac80211/tx.c:5455
ieee80211_beacon_get_tim+0xb4/0x2b0 net/mac80211/tx.c:5597
ieee80211_beacon_get include/net/mac80211.h:5648 [inline]
mac80211_hwsim_beacon_tx+0x3d2/0x860 drivers/net/wireless/virtual/mac80211_hwsim.c:2313
__iterate_interfaces+0x2a8/0x590 net/mac80211/util.c:761
ieee80211_iterate_active_interfaces_atomic+0xdb/0x180 net/mac80211/util.c:797
mac80211_hwsim_beacon+0xbb/0x1c0 drivers/net/wireless/virtual/mac80211_hwsim.c:2347
__run_hrtimer kernel/time/hrtimer.c:1761 [inline]
__hrtimer_run_queues+0x529/0xc60 kernel/time/hrtimer.c:1825
hrtimer_run_softirq+0x187/0x2b0 kernel/time/hrtimer.c:1842
handle_softirqs+0x283/0x870 kernel/softirq.c:579
__do_softirq kernel/softirq.c:613 [inline]
invoke_softirq kernel/softirq.c:453 [inline]
__irq_exit_rcu+0xca/0x1f0 kernel/softirq.c:680
irq_exit_rcu+0x9/0x30 kernel/softirq.c:696
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1049
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:arch_atomic_read arch/x86/include/asm/atomic.h:23 [inline]
RIP: 0010:raw_atomic_read include/linux/atomic/atomic-arch-fallback.h:457 [inline]
RIP: 0010:rcu_is_watching_curr_cpu include/linux/context_tracking.h:128 [inline]
RIP: 0010:rcu_is_watching+0x4e/0xb0 kernel/rcu/tree.c:736
Code: ff df 4c 8d 34 dd 10 ec 96 8d 4c 89 f0 48 c1 e8 03 42 80 3c 38 00 74 08 4c 89 f7 e8 1c cd 7a 00 48 c7 c3 58 6b 76 92 49 03 1e <48> 89 d8 48 c1 e8 03 42 0f b6 04 38 84 c0 75 34 8b 03 65 ff 0d 49
RSP: 0018:ffffc9000409f388 EFLAGS: 00000283
RAX: 1ffffffff1b2dd83 RBX: ffff8880b8932b58 RCX: 84afe76b97e81d00
RDX: 0000000000000000 RSI: ffffffff8bc1d240 RDI: ffffffff8bc1d200
RBP: 0000000000061ff0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: ffffffff822cbbfb R12: 0000000000000180
R13: 0000000000000000 R14: ffffffff8d96ec18 R15: dffffc0000000000
rcu_read_lock_held_common kernel/rcu/update.c:109 [inline]
rcu_read_lock_held+0x15/0x50 kernel/rcu/update.c:349
lookup_page_ext mm/page_ext.c:254 [inline]
page_ext_lookup+0xe2/0x160 mm/page_ext.c:520
page_ext_iter_begin include/linux/page_ext.h:132 [inline]
page_table_check_set+0x23b/0x710 mm/page_table_check.c:113
page_table_check_ptes_set include/linux/page_table_check.h:74 [inline]
set_ptes include/linux/pgtable.h:292 [inline]
__copy_present_ptes mm/memory.c:961 [inline]
copy_present_ptes mm/memory.c:1044 [inline]
copy_pte_range mm/memory.c:1167 [inline]
copy_pmd_range+0x427d/0x7000 mm/memory.c:1255
copy_pud_range mm/memory.c:1292 [inline]
copy_p4d_range mm/memory.c:1316 [inline]
copy_page_range+0x95c/0xd40 mm/memory.c:1410
dup_mmap kernel/fork.c:726 [inline]
dup_mm kernel/fork.c:1734 [inline]
copy_mm+0x121c/0x2100 kernel/fork.c:1786
copy_process+0x16d3/0x3b80 kernel/fork.c:2429
kernel_clone+0x21e/0x870 kernel/fork.c:2844
__do_sys_clone kernel/fork.c:2987 [inline]
__se_sys_clone kernel/fork.c:2971 [inline]
__x64_sys_clone+0x18b/0x1e0 kernel/fork.c:2971
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xf6/0x210 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fadd35851d3
Code: 1f 84 00 00 00 00 00 64 48 8b 04 25 10 00 00 00 45 31 c0 31 d2 31 f6 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 35 89 c2 85 c0 75 2c 64 48 8b 04 25 10 00 00
RSP: 002b:00007ffe0779e5d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fadd35851d3
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000001
R10: 0000555555c197d0 R11: 0000000000000246 R12: 0000000000000000
R13: 00000000000927c0 R14: 0000000000023176 R15: 00007ffe0779e770
----------------
Code disassembly (best guess), 1 bytes skipped:
0: df 4c 8d 34 fisttps 0x34(%rbp,%rcx,4)
4: dd 10 fstl (%rax)
6: ec in (%dx),%al
7: 96 xchg %eax,%esi
8: 8d 4c 89 f0 lea -0x10(%rcx,%rcx,4),%ecx
c: 48 c1 e8 03 shr $0x3,%rax
10: 42 80 3c 38 00 cmpb $0x0,(%rax,%r15,1)
15: 74 08 je 0x1f
17: 4c 89 f7 mov %r14,%rdi
1a: e8 1c cd 7a 00 call 0x7acd3b
1f: 48 c7 c3 58 6b 76 92 mov $0xffffffff92766b58,%rbx
26: 49 03 1e add (%r14),%rbx
* 29: 48 89 d8 mov %rbx,%rax <-- trapping instruction
2c: 48 c1 e8 03 shr $0x3,%rax
30: 42 0f b6 04 38 movzbl (%rax,%r15,1),%eax
35: 84 c0 test %al,%al
37: 75 34 jne 0x6d
39: 8b 03 mov (%rbx),%eax
3b: 65 gs
3c: ff .byte 0xff
3d: 0d .byte 0xd
3e: 49 rex.WB