------------[ cut here ]------------
WARNING: CPU: 2 PID: 8332 at net/mac80211/tx.c:5024 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5024 [inline]
WARNING: CPU: 2 PID: 8332 at net/mac80211/tx.c:5024 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5019 [inline]
WARNING: CPU: 2 PID: 8332 at net/mac80211/tx.c:5024 __ieee80211_beacon_get+0x14f4/0x1720 net/mac80211/tx.c:5453
Modules linked in:
CPU: 2 UID: 0 PID: 8332 Comm: kworker/u32:44 Not tainted 6.16.0-rc2-syzkaller-00045-g4663747812d1 #0 PREEMPT(full)
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Workqueue: writeback wb_workfn (flush-8:0)
RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5024 [inline]
RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5019 [inline]
RIP: 0010:__ieee80211_beacon_get+0x14f4/0x1720 net/mac80211/tx.c:5453
Code: 24 89 df 89 ee e8 ac da bc f6 40 38 eb 72 a2 e8 82 e0 bc f6 4c 89 e7 e8 0a b1 18 f7 45 31 e4 e9 9b fe ff ff e8 6d e0 bc f6 90 <0f> 0b 90 e9 3e f6 ff ff 48 89 c6 48 c7 c7 e0 0b 75 90 48 89 44 24
RSP: 0018:ffffc90000648b70 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff88803a99e9d0 RCX: ffffffff8aff31c1
RDX: ffff888064752440 RSI: ffffffff8aff3b83 RDI: 0000000000000001
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: ffffc90000648c28
R13: ffff8880373d9800 R14: 0000000000000041 R15: ffff88803a99e500
FS: 0000000000000000(0000) GS:ffff8880d6953000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3845247f98 CR3: 000000005fc4f000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
ieee80211_beacon_get_tim+0xa6/0x280 net/mac80211/tx.c:5580
ieee80211_beacon_get include/net/mac80211.h:5638 [inline]
mac80211_hwsim_beacon_tx+0x4d9/0xa40 drivers/net/wireless/virtual/mac80211_hwsim.c:2319
__iterate_interfaces+0x2e5/0x650 net/mac80211/util.c:761
ieee80211_iterate_active_interfaces_atomic+0x71/0x1b0 net/mac80211/util.c:797
mac80211_hwsim_beacon+0x105/0x200 drivers/net/wireless/virtual/mac80211_hwsim.c:2353
__run_hrtimer kernel/time/hrtimer.c:1761 [inline]
__hrtimer_run_queues+0x202/0xad0 kernel/time/hrtimer.c:1825
hrtimer_run_softirq+0x17d/0x350 kernel/time/hrtimer.c:1842
handle_softirqs+0x216/0x8e0 kernel/softirq.c:579
__do_softirq kernel/softirq.c:613 [inline]
invoke_softirq kernel/softirq.c:453 [inline]
__irq_exit_rcu+0x109/0x170 kernel/softirq.c:680
irq_exit_rcu+0x9/0x30 kernel/softirq.c:696
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1050 [inline]
sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1050
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:csd_lock_wait kernel/smp.c:340 [inline]
RIP: 0010:smp_call_function_many_cond+0xd7b/0x1510 kernel/smp.c:885
Code: e8 1a 17 0c 00 45 85 ed 74 46 48 8b 14 24 49 89 d6 49 89 d5 49 c1 ee 03 41 83 e5 07 4d 01 e6 41 83 c5 03 e8 b7 1b 0c 00 f3 90 <41> 0f b6 06 41 38 c5 7c 08 84 c0 0f 85 6f 05 00 00 8b 43 08 31 ff
RSP: 0018:ffffc90004896810 EFLAGS: 00000293
RAX: 0000000000000000 RBX: ffff88806a743a20 RCX: ffffffff81b0005d
RDX: ffff888064752440 RSI: ffffffff81b00039 RDI: 0000000000000005
RBP: 0000000000000001 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000
R13: 0000000000000003 R14: ffffed100d4e8745 R15: ffff88806a63cf40
on_each_cpu_cond_mask+0x40/0x90 kernel/smp.c:1052
kvm_flush_tlb_multi+0x266/0x3b0 arch/x86/kernel/kvm.c:679
__flush_tlb_multi arch/x86/include/asm/paravirt.h:91 [inline]
flush_tlb_multi arch/x86/mm/tlb.c:1361 [inline]
flush_tlb_mm_range+0x4a0/0x1790 arch/x86/mm/tlb.c:1451
flush_tlb_page arch/x86/include/asm/tlbflush.h:324 [inline]
ptep_clear_flush+0x136/0x180 mm/pgtable-generic.c:101
page_vma_mkclean_one.constprop.0+0x3b4/0x7e0 mm/rmap.c:1059
page_mkclean_one+0x196/0x260 mm/rmap.c:1100
__rmap_walk_file+0x356/0x620 mm/rmap.c:2897
rmap_walk_file+0x174/0x1f0 mm/rmap.c:2930
rmap_walk mm/rmap.c:2941 [inline]
folio_mkclean+0x251/0x3f0 mm/rmap.c:1132
folio_clear_dirty_for_io+0x153/0x810 mm/page-writeback.c:2964
mpage_submit_folio+0x80/0x3f0 fs/ext4/inode.c:2038
mpage_map_and_submit_buffers+0x5c1/0xb50 fs/ext4/inode.c:2303
mpage_map_and_submit_extent fs/ext4/inode.c:2439 [inline]
ext4_do_writepages+0x1b57/0x3490 fs/ext4/inode.c:2863
ext4_writepages+0x37a/0x7d0 fs/ext4/inode.c:2953
do_writepages+0x277/0x600 mm/page-writeback.c:2636
__writeback_single_inode+0x160/0xfb0 fs/fs-writeback.c:1680
writeback_sb_inodes+0x601/0xf90 fs/fs-writeback.c:1976
__writeback_inodes_wb+0xf8/0x2d0 fs/fs-writeback.c:2047
wb_writeback+0x7f3/0xb70 fs/fs-writeback.c:2158
wb_check_old_data_flush fs/fs-writeback.c:2262 [inline]
wb_do_writeback fs/fs-writeback.c:2315 [inline]
wb_workfn+0x8ca/0xbe0 fs/fs-writeback.c:2343
process_one_work+0x9cc/0x1b70 kernel/workqueue.c:3238
process_scheduled_works kernel/workqueue.c:3321 [inline]
worker_thread+0x6c8/0xf10 kernel/workqueue.c:3402
kthread+0x3c2/0x780 kernel/kthread.c:464
ret_from_fork+0x5d4/0x6f0 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
----------------
Code disassembly (best guess):
0: e8 1a 17 0c 00 call 0xc171f
5: 45 85 ed test %r13d,%r13d
8: 74 46 je 0x50
a: 48 8b 14 24 mov (%rsp),%rdx
e: 49 89 d6 mov %rdx,%r14
11: 49 89 d5 mov %rdx,%r13
14: 49 c1 ee 03 shr $0x3,%r14
18: 41 83 e5 07 and $0x7,%r13d
1c: 4d 01 e6 add %r12,%r14
1f: 41 83 c5 03 add $0x3,%r13d
23: e8 b7 1b 0c 00 call 0xc1bdf
28: f3 90 pause
* 2a: 41 0f b6 06 movzbl (%r14),%eax <-- trapping instruction
2e: 41 38 c5 cmp %al,%r13b
31: 7c 08 jl 0x3b
33: 84 c0 test %al,%al
35: 0f 85 6f 05 00 00 jne 0x5aa
3b: 8b 43 08 mov 0x8(%rbx),%eax
3e: 31 ff xor %edi,%edi