------------[ cut here ]------------
WARNING: CPU: 0 PID: 7127 at net/mac80211/tx.c:5040 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5040 [inline]
WARNING: CPU: 0 PID: 7127 at net/mac80211/tx.c:5040 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5035 [inline]
WARNING: CPU: 0 PID: 7127 at net/mac80211/tx.c:5040 __ieee80211_beacon_get+0x14ac/0x16b0 net/mac80211/tx.c:5469
Modules linked in:
CPU: 0 UID: 0 PID: 7127 Comm: syz-executor108 Not tainted 6.14.0-rc3-syzkaller-00060-g6537cfb395f3 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5040 [inline]
RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5035 [inline]
RIP: 0010:__ieee80211_beacon_get+0x14ac/0x16b0 net/mac80211/tx.c:5469
Code: 00 89 df 44 89 e6 e8 a3 25 e1 f6 44 38 e3 72 a1 e8 b9 2b e1 f6 48 89 ef e8 d1 97 39 f7 31 ed e9 9c fe ff ff e8 a5 2b e1 f6 90 <0f> 0b 90 e9 86 f6 ff ff 48 89 c6 48 c7 c7 a0 d4 2f 90 48 89 04 24
RSP: 0018:ffffc90000007b70 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff8ad8a9c2
RDX: ffff888079d64880 RSI: ffffffff8ad8b33b RDI: 0000000000000001
RBP: ffffc90000007c20 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000005 R12: ffff8880717be800
R13: 0000000000000041 R14: ffff8880516a4d80 R15: ffff8880516a69d0
FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000400000c91000 CR3: 000000002df16000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
ieee80211_beacon_get_tim+0xa7/0x280 net/mac80211/tx.c:5596
ieee80211_beacon_get include/net/mac80211.h:5641 [inline]
mac80211_hwsim_beacon_tx+0x4ea/0xa10 drivers/net/wireless/virtual/mac80211_hwsim.c:2311
__iterate_interfaces+0x2e5/0x640 net/mac80211/util.c:760
ieee80211_iterate_active_interfaces_atomic+0x71/0x1b0 net/mac80211/util.c:796
mac80211_hwsim_beacon+0x105/0x200 drivers/net/wireless/virtual/mac80211_hwsim.c:2345
__run_hrtimer kernel/time/hrtimer.c:1801 [inline]
__hrtimer_run_queues+0x20a/0xae0 kernel/time/hrtimer.c:1865
hrtimer_run_softirq+0x17d/0x350 kernel/time/hrtimer.c:1882
handle_softirqs+0x213/0x8f0 kernel/softirq.c:561
__do_softirq kernel/softirq.c:595 [inline]
invoke_softirq kernel/softirq.c:435 [inline]
__irq_exit_rcu+0x109/0x170 kernel/softirq.c:662
irq_exit_rcu+0x9/0x30 kernel/softirq.c:678
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1049
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:check_kcov_mode kernel/kcov.c:185 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x3b/0x70 kernel/kcov.c:217
Code: 49 7e a9 00 01 ff 00 48 8b 34 24 74 1d f6 c4 01 74 43 a9 00 00 0f 00 75 3c a9 00 00 f0 00 75 35 8b 82 2c 16 00 00 85 c0 74 2b <8b> 82 08 16 00 00 83 f8 02 75 20 48 8b 8a 10 16 00 00 8b 92 0c 16
RSP: 0018:ffffc9000d797548 EFLAGS: 00000246
RAX: 0000000080000001 RBX: ffffea00004e0140 RCX: ffffffff822890a0
RDX: ffff888079d64880 RSI: ffffffff822890b2 RDI: 0000000000000005
RBP: ffff88801bd18190 R08: 0000000000000005 R09: 00000000000000f5
R10: 00000000000000ff R11: 0000000000000003 R12: 00000000000000ff
R13: 0000000000000001 R14: 0000000000000000 R15: dffffc0000000000
_compound_head include/linux/page-flags.h:243 [inline]
PageAnon include/linux/page-flags.h:706 [inline]
page_table_check_clear.part.0+0xe2/0x540 mm/page_table_check.c:80
page_table_check_clear mm/page_table_check.c:70 [inline]
__page_table_check_pte_clear+0x328/0x580 mm/page_table_check.c:169
page_table_check_pte_clear include/linux/page_table_check.h:49 [inline]
ptep_get_and_clear arch/x86/include/asm/pgtable.h:1321 [inline]
ptep_get_and_clear_full arch/x86/include/asm/pgtable.h:1339 [inline]
zap_present_ptes mm/memory.c:1567 [inline]
do_zap_pte_range mm/memory.c:1698 [inline]
zap_pte_range mm/memory.c:1740 [inline]
zap_pmd_range mm/memory.c:1823 [inline]
zap_pud_range mm/memory.c:1852 [inline]
zap_p4d_range mm/memory.c:1873 [inline]
unmap_page_range+0x2551/0x43a0 mm/memory.c:1894
unmap_single_vma+0x194/0x2b0 mm/memory.c:1940
unmap_vmas+0x22f/0x490 mm/memory.c:1984
exit_mmap+0x1c1/0xba0 mm/mmap.c:1284
__mmput+0x12a/0x410 kernel/fork.c:1356
mmput+0x62/0x70 kernel/fork.c:1378
exit_mm kernel/exit.c:570 [inline]
do_exit+0x9ba/0x2d70 kernel/exit.c:925
do_group_exit+0xd3/0x2a0 kernel/exit.c:1087
get_signal+0x24ed/0x26c0 kernel/signal.c:3036
arch_do_signal_or_restart+0x90/0x7e0 arch/x86/kernel/signal.c:337
exit_to_user_mode_loop kernel/entry/common.c:111 [inline]
exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline]
__syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
syscall_exit_to_user_mode+0x150/0x2a0 kernel/entry/common.c:218
do_syscall_64+0xda/0x250 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9e205b83a9
Code: Unable to access opcode bytes at 0x7f9e205b837f.
RSP: 002b:00007f9e1fd61158 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: 0000000000c90000 RBX: 00007f9e206421e8 RCX: 00007f9e205b83a9
RDX: 000000003af4701e RSI: 0000400000000240 RDI: 0000000000000005
RBP: 00007f9e206421e0 R08: 00007f9e1fd616c0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9e206421ec
R13: 000000000000000b R14: 00007fff6f32fb30 R15: 00007fff6f32fc18
----------------
Code disassembly (best guess):
0: 49 7e a9 rex.WB jle 0xffffffac
3: 00 01 add %al,(%rcx)
5: ff 00 incl (%rax)
7: 48 8b 34 24 mov (%rsp),%rsi
b: 74 1d je 0x2a
d: f6 c4 01 test $0x1,%ah
10: 74 43 je 0x55
12: a9 00 00 0f 00 test $0xf0000,%eax
17: 75 3c jne 0x55
19: a9 00 00 f0 00 test $0xf00000,%eax
1e: 75 35 jne 0x55
20: 8b 82 2c 16 00 00 mov 0x162c(%rdx),%eax
26: 85 c0 test %eax,%eax
28: 74 2b je 0x55
* 2a: 8b 82 08 16 00 00 mov 0x1608(%rdx),%eax <-- trapping instruction
30: 83 f8 02 cmp $0x2,%eax
33: 75 20 jne 0x55
35: 48 8b 8a 10 16 00 00 mov 0x1610(%rdx),%rcx
3c: 8b .byte 0x8b
3d: 92 xchg %eax,%edx
3e: 0c 16 or $0x16,%al