------------[ cut here ]------------
no supported rates for sta (null) (0xffffffff, band 0) in rate_mask 0x0 with flags 0x0
WARNING: net/mac80211/rate.c:406 at __rate_control_send_low+0x524/0x800 net/mac80211/rate.c:401, CPU#0: syz.0.510/7158
Modules linked in:
CPU: 0 UID: 0 PID: 7158 Comm: syz.0.510 Not tainted syzkaller #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:__rate_control_send_low+0x5bb/0x800 net/mac80211/rate.c:401
Code: ff 4c 8b 7c 24 08 48 8b 44 24 38 0f b6 04 28 84 c0 0f 85 d3 01 00 00 41 8b 0f 4c 89 f7 48 8b 74 24 18 44 8b 44 24 2c 45 89 e9 <67> 48 0f b9 3a 4c 8b 74 24 30 e9 81 fe ff ff 44 89 f9 80 e1 07 80
RSP: 0018:ffffc90000007638 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 000000000000000c RCX: 0000000000000000
RDX: 00000000ffffffff RSI: 0000000000000000 RDI: ffffffff8f92e0f0
RBP: dffffc0000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000004 R11: 0000000000000100 R12: ffff888027468028
R13: 0000000000000000 R14: ffffffff8f92e0f0 R15: ffff888021fd3138
FS: 00007f7bd33ca6c0(0000) GS:ffff888125e1f000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f838fd9fa90 CR3: 00000000789c0000 CR4: 00000000003526f0
Call Trace:
rate_control_send_low+0x1a7/0x7b0 net/mac80211/rate.c:429
rate_control_get_rate+0x20b/0x5d0 net/mac80211/rate.c:943
ieee80211_beacon_get_finish+0x39a/0x6c0 net/mac80211/tx.c:5362
__ieee80211_beacon_get_ap net/mac80211/tx.c:5465 [inline]
ieee80211_beacon_get_ap+0x1865/0x1f30 net/mac80211/tx.c:5527
__ieee80211_beacon_get+0x118e/0x1880 net/mac80211/tx.c:5634
ieee80211_beacon_get_tim+0xb4/0x2b0 net/mac80211/tx.c:5776
ieee80211_beacon_get include/net/mac80211.h:5669 [inline]
mac80211_hwsim_beacon_tx+0x3c5/0x870 drivers/net/wireless/virtual/mac80211_hwsim.c:2361
__iterate_interfaces+0x2ab/0x590 net/mac80211/util.c:761
ieee80211_iterate_active_interfaces_atomic+0xdb/0x180 net/mac80211/util.c:797
mac80211_hwsim_beacon+0xbb/0x180 drivers/net/wireless/virtual/mac80211_hwsim.c:2395
__run_hrtimer kernel/time/hrtimer.c:1777 [inline]
__hrtimer_run_queues+0x51c/0xc30 kernel/time/hrtimer.c:1841
hrtimer_run_softirq+0x187/0x2b0 kernel/time/hrtimer.c:1858
handle_softirqs+0x22b/0x7c0 kernel/softirq.c:622
__do_softirq kernel/softirq.c:656 [inline]
invoke_softirq kernel/softirq.c:496 [inline]
__irq_exit_rcu+0x60/0x150 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+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1056
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:get_current arch/x86/include/asm/current.h:25 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x8/0x70 kernel/kcov.c:216
Code: 8b 3d 54 fe d9 0b 48 89 de 5b e9 b3 fb 5a 00 cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 48 8b 04 24 <65> 48 8b 0c 25 08 10 80 92 65 8b 15 58 18 bf 10 81 e2 00 01 ff 00
RSP: 0018:ffffc90003e4f520 EFLAGS: 00000246
RAX: ffffffff81f97a04 RBX: ffffffff81f978dc RCX: 0000000000000002
RDX: ffff888024f49e80 RSI: 0000000000000001 RDI: 0000000000000002
RBP: 0000000000000001 R08: ffffea0001dcbbb7 R09: 1ffffd40003b9776
R10: dffffc0000000000 R11: fffff940003b9777 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffffea0001dcbbb4 R15: 0000000000000003
arch_atomic_try_cmpxchg arch/x86/include/asm/atomic.h:107 [inline]
raw_atomic_try_cmpxchg include/linux/atomic/atomic-arch-fallback.h:2130 [inline]
raw_atomic_fetch_add_unless include/linux/atomic/atomic-arch-fallback.h:2431 [inline]
raw_atomic_add_unless include/linux/atomic/atomic-arch-fallback.h:2456 [inline]
atomic_add_unless include/linux/atomic/atomic-instrumented.h:1518 [inline]
page_ref_add_unless include/linux/page_ref.h:238 [inline]
folio_ref_add_unless include/linux/page_ref.h:248 [inline]
folio_try_get+0x144/0x340 include/linux/page_ref.h:264
next_uptodate_folio+0xcb/0x5d0 mm/filemap.c:3709
filemap_map_pages+0x14d7/0x1fd0 mm/filemap.c:3929
do_fault_around mm/memory.c:5713 [inline]
do_read_fault mm/memory.c:5746 [inline]
do_fault mm/memory.c:5889 [inline]
do_pte_missing+0x20b0/0x3330 mm/memory.c:4401
handle_pte_fault mm/memory.c:6273 [inline]
__handle_mm_fault mm/memory.c:6411 [inline]
handle_mm_fault+0x1b26/0x32b0 mm/memory.c:6580
faultin_page mm/gup.c:1126 [inline]
__get_user_pages+0x1650/0x29f0 mm/gup.c:1428
populate_vma_page_range+0x29f/0x3a0 mm/gup.c:1860
__mm_populate+0x24c/0x380 mm/gup.c:1963
mm_populate include/linux/mm.h:3701 [inline]
vm_mmap_pgoff+0x387/0x4d0 mm/util.c:586
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xec/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f7bd258f749
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f7bd33ca038 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007f7bd27e6090 RCX: 00007f7bd258f749
RDX: 000000000000000a RSI: 0000000000b36000 RDI: 0000200000000000
RBP: 00007f7bd2613f91 R08: ffffffffffffffff R09: 000000005cac3000
R10: 0000000000008031 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f7bd27e6128 R14: 00007f7bd27e6090 R15: 00007fff4f632c28
----------------
Code disassembly (best guess):
0: ff 4c 8b 7c decl 0x7c(%rbx,%rcx,4)
4: 24 08 and $0x8,%al
6: 48 8b 44 24 38 mov 0x38(%rsp),%rax
b: 0f b6 04 28 movzbl (%rax,%rbp,1),%eax
f: 84 c0 test %al,%al
11: 0f 85 d3 01 00 00 jne 0x1ea
17: 41 8b 0f mov (%r15),%ecx
1a: 4c 89 f7 mov %r14,%rdi
1d: 48 8b 74 24 18 mov 0x18(%rsp),%rsi
22: 44 8b 44 24 2c mov 0x2c(%rsp),%r8d
27: 45 89 e9 mov %r13d,%r9d
* 2a: 67 48 0f b9 3a ud1 (%edx),%rdi <-- trapping instruction
2f: 4c 8b 74 24 30 mov 0x30(%rsp),%r14
34: e9 81 fe ff ff jmp 0xfffffeba
39: 44 89 f9 mov %r15d,%ecx
3c: 80 e1 07 and $0x7,%cl
3f: 80 .byte 0x80