------------[ 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#1: syz.0.10174/28819
Modules linked in:
CPU: 1 UID: 0 PID: 28819 Comm: syz.0.10174 Tainted: G L syzkaller #0 PREEMPT(lazy)
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 6d f0 d8 f6 48 8d 3d 56 ef 22 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 81 8b 48 f7 e9 2e
RSP: 0018:ffffc900005908e0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 00000000ffffffff RSI: 0000000000000000 RDI: ffffffff9153fb40
RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000000000000
R10: 000000000000000c R11: 0000000000000000 R12: ffff88806b5892e8
R13: ffff88806c003248 R14: 0000000000000000 R15: dffffc0000000000
FS: 0000000000000000(0000) GS:ffff888096adb000(0000) knlGS:0000000000000000
CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 000000000c326ea6 CR3: 0000000057c53000 CR4: 0000000000352ef0
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:5529
__ieee80211_beacon_get_ap+0x76e/0x10d0 net/mac80211/tx.c:5632
ieee80211_beacon_get_ap net/mac80211/tx.c:5694 [inline]
__ieee80211_beacon_get+0x14fa/0x1ee0 net/mac80211/tx.c:5800
ieee80211_beacon_get_tim+0xa6/0x280 net/mac80211/tx.c:5942
ieee80211_beacon_get include/net/mac80211.h:5890 [inline]
mac80211_hwsim_beacon_tx+0x4c7/0xa00 drivers/net/wireless/virtual/mac80211_hwsim_main.c:2489
__iterate_interfaces+0x2e6/0x650 net/mac80211/util.c:775
ieee80211_iterate_active_interfaces_atomic+0x71/0x1b0 net/mac80211/util.c:811
mac80211_hwsim_beacon+0xe5/0x2a0 drivers/net/wireless/virtual/mac80211_hwsim_main.c:2525
__run_hrtimer kernel/time/hrtimer.c:2067 [inline]
__hrtimer_run_queues+0x462/0x9c0 kernel/time/hrtimer.c:2124
hrtimer_run_softirq+0x1ca/0x360 kernel/time/hrtimer.c:2141
handle_softirqs+0x1e6/0x9d0 kernel/softirq.c:645
__do_softirq kernel/softirq.c:679 [inline]
invoke_softirq kernel/softirq.c:519 [inline]
__irq_exit_rcu+0x194/0x210 kernel/softirq.c:767
irq_exit_rcu+0x9/0x30 kernel/softirq.c:784
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:lock_acquire+0x5e/0x370 kernel/locking/lockdep.c:5890
Code: 05 0f d5 9e 12 83 f8 07 0f 87 da 00 00 00 48 0f a3 05 96 cd 5c 0f 0f 82 b1 02 00 00 8b 35 1e ff 5c 0f 85 f6 0f 85 c7 00 00 00 <48> 8b 44 24 30 65 48 2b 05 ad d4 9e 12 0f 85 f1 02 00 00 48 83 c4
RSP: 0018:ffffc9000809f3d8 EFLAGS: 00000206
RAX: 0000000000000046 RBX: 0000000000000000 RCX: 0000000000000200
RDX: 0000000000000002 RSI: ffffffff8e385c9b RDI: ffffffff8c601580
RBP: ffffffff8ede9380 R08: 00000000e5c55d30 R09: 000000000000001e
R10: 0000000000000200 R11: 0000000000000001 R12: 0000000000000002
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
rcu_lock_acquire include/linux/rcupdate.h:300 [inline]
rcu_read_lock_sched include/linux/rcupdate.h:938 [inline]
pfn_valid+0xd8/0x4b0 include/linux/mmzone.h:2270
page_table_check_clear+0x21/0x540 mm/page_table_check.c:70
__page_table_check_pte_clear+0x10f/0x120 mm/page_table_check.c:155
page_table_check_pte_clear include/linux/page_table_check.h:55 [inline]
ptep_get_and_clear_full arch/x86/include/asm/pgtable.h:1263 [inline]
get_and_clear_full_ptes include/linux/pgtable.h:879 [inline]
zap_present_folio_ptes mm/memory.c:1648 [inline]
zap_present_ptes mm/memory.c:1730 [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+0x2cfb/0x4a40 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:1193
mmput+0x67/0x80 kernel/fork.c:1216
exit_mm kernel/exit.c:615 [inline]
do_exit+0x8b1/0x2ae0 kernel/exit.c:997
do_group_exit+0xd5/0x2a0 kernel/exit.c:1152
get_signal+0x1ec7/0x21e0 kernel/signal.c:3046
arch_do_signal_or_restart+0x91/0x7a0 arch/x86/kernel/signal.c:337
__exit_to_user_mode_loop kernel/entry/common.c:66 [inline]
exit_to_user_mode_loop+0x139/0x700 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:336 [inline]
__do_fast_syscall_32+0x59f/0x8b0 arch/x86/entry/syscall_32.c:294
do_fast_syscall_32+0x32/0x70 arch/x86/entry/syscall_32.c:316
entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf707efec
Code: Unable to access opcode bytes at 0xf707efc2.
RSP: 002b:00000000f544c50c EFLAGS: 00000292
ORIG_RAX: 0000000000000172
RAX: 000000000000006c RBX: 0000000000000003 RCX: 00000000800001c0
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000292 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
----------------
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: 6d insl (%dx),%es:(%rdi)
f: f0 d8 f6 lock fdiv %st(6),%st
12: 48 8d 3d 56 ef 22 06 lea 0x622ef56(%rip),%rdi # 0x622ef6f
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 25 fd ff ff jmp 0xfffffd59
34: 48 8b 7c 24 28 mov 0x28(%rsp),%rdi
39: e8 81 8b 48 f7 call 0xf7488bbf
3e: e9 .byte 0xe9
3f: 2e cs