------------[ cut here ]------------
WARNING: CPU: 0 PID: 4700 at net/mac80211/tx.c:4934 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4934 [inline]
WARNING: CPU: 0 PID: 4700 at net/mac80211/tx.c:4934 __ieee80211_beacon_get+0x1952/0x1f50 net/mac80211/tx.c:5255
Modules linked in:
CPU: 0 PID: 4700 Comm: syz.2.57 Not tainted 6.1.143-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4934 [inline]
RIP: 0010:__ieee80211_beacon_get+0x1952/0x1f50 net/mac80211/tx.c:5255
Code: ff ff ff e8 60 cc e3 f7 0f 0b 48 8b 7c 24 20 e8 f4 9a 7f fe e9 dd e9 ff ff e8 4a cc e3 f7 0f 0b e9 f1 ee ff ff e8 3e cc e3 f7 <0f> 0b e9 61 f2 ff ff e8 32 cc e3 f7 48 c7 c7 f0 6b fa 8d 4c 89 f6
RSP: 0018:ffffc900000078a0 EFLAGS: 00010246
RAX: ffffffff899d0b42 RBX: 0000000000000000 RCX: ffff888028961dc0
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000007aa8 R08: ffff888028961dc0 R09: 0000000000000003
R10: 0000000000000007 R11: 0000000000000100 R12: 1ffff92000000f2c
R13: dffffc0000000000 R14: ffff888027ade258 R15: ffff88807a454000
FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000404030 CR3: 000000001d713000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
ieee80211_beacon_get_tim+0x5b/0x4d0 net/mac80211/tx.c:5342
ieee80211_beacon_get include/net/mac80211.h:5262 [inline]
mac80211_hwsim_beacon_tx+0x21c/0xae0 drivers/net/wireless/mac80211_hwsim.c:2091
__iterate_interfaces+0x243/0x500 net/mac80211/util.c:788
ieee80211_iterate_active_interfaces_atomic+0xd7/0x170 net/mac80211/util.c:824
mac80211_hwsim_beacon+0xb7/0x1b0 drivers/net/wireless/mac80211_hwsim.c:2147
__run_hrtimer kernel/time/hrtimer.c:1752 [inline]
__hrtimer_run_queues+0x554/0xd60 kernel/time/hrtimer.c:1816
hrtimer_run_softirq+0x183/0x2a0 kernel/time/hrtimer.c:1833
handle_softirqs+0x2a1/0x920 kernel/softirq.c:596
__do_softirq kernel/softirq.c:630 [inline]
invoke_softirq kernel/softirq.c:470 [inline]
__irq_exit_rcu+0x12f/0x220 kernel/softirq.c:679
irq_exit_rcu+0x5/0x20 kernel/softirq.c:691
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1118 [inline]
sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1118
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:cgroup_rstat_cpu kernel/cgroup/rstat.c:-1 [inline]
RIP: 0010:cgroup_rstat_updated+0x8a/0x350 kernel/cgroup/rstat.c:42
Code: 2c 65 58 00 4c 89 3c 24 4d 8b 2f 4c 8d bd 28 05 00 00 4c 89 f8 48 c1 e8 03 80 3c 18 00 74 08 4c 89 ff e8 09 65 58 00 4d 8b 27 <4c> 8b 3c 24 4c 89 f8 48 c1 e8 03 48 89 44 24 18 80 3c 18 00 74 08
RSP: 0018:ffffc90003d772a8 EFLAGS: 00000246
RAX: 1ffff1100d1ebca5 RBX: dffffc0000000000 RCX: ffff888028961dc0
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000008
RBP: ffff888068f5e000 R08: dffffc0000000000 R09: fffff940002b0df9
R10: fffff940002b0df9 R11: 1ffffd40002b0df8 R12: 0000607f46e40590
R13: ffff8880b8e00000 R14: 0000000000000000 R15: ffff888068f5e528
memcg_rstat_updated+0x3d/0x100 mm/memcontrol.c:611
__mod_memcg_lruvec_state+0x1a7/0x270 mm/memcontrol.c:799
__mod_lruvec_state mm/memcontrol.c:821 [inline]
__mod_lruvec_page_state+0x1ef/0x410 mm/memcontrol.c:842
__dec_lruvec_page_state include/linux/vmstat.h:603 [inline]
page_remove_rmap+0x44b/0xea0 mm/rmap.c:1447
zap_pte_range mm/memory.c:1453 [inline]
zap_pmd_range mm/memory.c:1574 [inline]
zap_pud_range mm/memory.c:1603 [inline]
zap_p4d_range mm/memory.c:1624 [inline]
unmap_page_range+0x1149/0x2500 mm/memory.c:1645
unmap_vmas+0x22c/0x330 mm/memory.c:1730
exit_mmap+0x1cc/0x8e0 mm/mmap.c:3246
__mmput+0x118/0x3c0 kernel/fork.c:1200
exit_mm+0x1e6/0x2c0 kernel/exit.c:565
do_exit+0x8c1/0x2400 kernel/exit.c:867
do_group_exit+0x217/0x2d0 kernel/exit.c:1022
get_signal+0x1272/0x1350 kernel/signal.c:2871
arch_do_signal_or_restart+0xb0/0x1230 arch/x86/kernel/signal.c:871
exit_to_user_mode_loop+0x70/0x110 kernel/entry/common.c:174
exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:210
__syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline]
syscall_exit_to_user_mode+0x16/0x40 kernel/entry/common.c:303
do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:87
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f2f2b38e929
Code: Unable to access opcode bytes at 0x7f2f2b38e8ff.
RSP: 002b:00007f2f2b1ff038 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: 0000000000000116 RBX: 00007f2f2b5b5fa0 RCX: 00007f2f2b38e929
RDX: 0000000000000318 RSI: 00002000000bd000 RDI: 0000000000000004
RBP: 00007f2f2b410b39 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f2f2b5b5fa0 R15: 00007ffcabf1bac8
----------------
Code disassembly (best guess):
0: 2c 65 sub $0x65,%al
2: 58 pop %rax
3: 00 4c 89 3c add %cl,0x3c(%rcx,%rcx,4)
7: 24 4d and $0x4d,%al
9: 8b 2f mov (%rdi),%ebp
b: 4c 8d bd 28 05 00 00 lea 0x528(%rbp),%r15
12: 4c 89 f8 mov %r15,%rax
15: 48 c1 e8 03 shr $0x3,%rax
19: 80 3c 18 00 cmpb $0x0,(%rax,%rbx,1)
1d: 74 08 je 0x27
1f: 4c 89 ff mov %r15,%rdi
22: e8 09 65 58 00 call 0x586530
27: 4d 8b 27 mov (%r15),%r12
* 2a: 4c 8b 3c 24 mov (%rsp),%r15 <-- trapping instruction
2e: 4c 89 f8 mov %r15,%rax
31: 48 c1 e8 03 shr $0x3,%rax
35: 48 89 44 24 18 mov %rax,0x18(%rsp)
3a: 80 3c 18 00 cmpb $0x0,(%rax,%rbx,1)
3e: 74 08 je 0x48