------------[ cut here ]------------
WARNING: CPU: 0 PID: 5935 at net/mac80211/tx.c:5031 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5031 [inline]
WARNING: CPU: 0 PID: 5935 at net/mac80211/tx.c:5031 __ieee80211_beacon_get+0x1233/0x1600 net/mac80211/tx.c:5442
Modules linked in:
CPU: 0 PID: 5935 Comm: syz.3.32 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5031 [inline]
RIP: 0010:__ieee80211_beacon_get+0x1233/0x1600 net/mac80211/tx.c:5442
Code: 24 4c 89 e7 e8 4e d5 c0 f7 45 31 f6 4c 8b bc 24 a0 00 00 00 e9 7a fe ff ff e8 c9 0e 83 f7 0f 0b e9 f6 f7 ff ff e8 bd 0e 83 f7 <0f> 0b e9 48 fb ff ff e8 b1 0e 83 f7 48 c7 c7 40 73 64 8e 4c 89 e6
RSP: 0000:ffffc90000007a18 EFLAGS: 00010246
RAX: ffffffff8a041163 RBX: ffffffff8a03ff66 RCX: ffff88802968da00
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffff88802968da00 R09: 0000000000000003
R10: 0000000000000007 R11: 0000000000000100 R12: ffff88805ef3a3c0
R13: dffffc0000000000 R14: ffff88805ef3a8b0 R15: ffff888026151024
FS: 00007f595963b6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5958a17dac CR3: 000000002673e000 CR4: 00000000003506f0
Call Trace:
ieee80211_beacon_get_tim+0xbf/0x580 net/mac80211/tx.c:5569
ieee80211_beacon_get include/net/mac80211.h:5440 [inline]
mac80211_hwsim_beacon_tx+0x3c7/0x780 drivers/net/wireless/virtual/mac80211_hwsim.c:2265
__iterate_interfaces+0x243/0x500 net/mac80211/util.c:766
ieee80211_iterate_active_interfaces_atomic+0xdb/0x180 net/mac80211/util.c:802
mac80211_hwsim_beacon+0xbb/0x1b0 drivers/net/wireless/virtual/mac80211_hwsim.c:2295
__run_hrtimer kernel/time/hrtimer.c:1750 [inline]
__hrtimer_run_queues+0x520/0xc40 kernel/time/hrtimer.c:1814
hrtimer_run_softirq+0x187/0x2b0 kernel/time/hrtimer.c:1831
handle_softirqs+0x280/0x820 kernel/softirq.c:578
__do_softirq kernel/softirq.c:612 [inline]
invoke_softirq kernel/softirq.c:452 [inline]
__irq_exit_rcu+0xd3/0x190 kernel/softirq.c:661
irq_exit_rcu+0x9/0x20 kernel/softirq.c:673
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1088 [inline]
sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1088
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687
RIP: 0010:lockdep_enabled kernel/locking/lockdep.c:119 [inline]
RIP: 0010:lock_acquire+0xf3/0x420 kernel/locking/lockdep.c:5730
Code: 84 2e 02 00 00 48 c7 c0 6c 37 8b 8e 48 c1 e8 03 42 0f b6 04 38 84 c0 0f 85 1d 02 00 00 83 3d 7f 0c 23 0d 00 0f 84 0c 01 00 00 <65> 8b 05 ee 5e 9a 7e 85 c0 0f 85 44 01 00 00 65 4c 8b 35 b6 8a 9b
RSP: 0000:ffffc9000559ecc0 EFLAGS: 00000202
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0778be8df0876800
RDX: 0000000000000000 RSI: ffffffff8b1c8980 RDI: ffffffff8b1c8940
RBP: ffffc9000559edd0 R08: ffffffff8e8b02af R09: 1ffffffff1d16055
R10: dffffc0000000000 R11: fffffbfff1d16056 R12: 1ffff92000ab3da4
R13: ffffffff8d132160 R14: 0000000000000000 R15: dffffc0000000000
rcu_lock_acquire include/linux/rcupdate.h:334 [inline]
rcu_read_lock_sched include/linux/rcupdate.h:878 [inline]
pfn_valid+0xe9/0x420 include/linux/mmzone.h:2011
page_table_check_set+0x25/0x6e0 mm/page_table_check.c:110
page_table_check_ptes_set include/linux/page_table_check.h:74 [inline]
set_ptes include/linux/pgtable.h:238 [inline]
set_pte_range+0x674/0x6a0 mm/memory.c:4407
filemap_map_order0_folio mm/filemap.c:3599 [inline]
filemap_map_pages+0xeca/0x1980 mm/filemap.c:3660
do_fault_around mm/memory.c:4595 [inline]
do_read_fault mm/memory.c:4628 [inline]
do_fault mm/memory.c:4775 [inline]
do_pte_missing mm/memory.c:3689 [inline]
handle_pte_fault mm/memory.c:5047 [inline]
__handle_mm_fault mm/memory.c:5188 [inline]
handle_mm_fault+0x3b05/0x4c00 mm/memory.c:5353
faultin_page mm/gup.c:868 [inline]
__get_user_pages+0x5d0/0x1380 mm/gup.c:1167
__get_user_pages_locked mm/gup.c:1431 [inline]
get_dump_page+0x10c/0x200 mm/gup.c:1939
dump_user_range+0x127/0x860 fs/coredump.c:982
elf_core_dump+0x31d0/0x3770 fs/binfmt_elf.c:2184
do_coredump+0x17cc/0x24d0 fs/coredump.c:833
get_signal+0x1133/0x13f0 kernel/signal.c:2888
arch_do_signal_or_restart+0xc2/0x800 arch/x86/kernel/signal.c:310
exit_to_user_mode_loop+0x70/0x110 kernel/entry/common.c:174
exit_to_user_mode_prepare+0xee/0x180 kernel/entry/common.c:210
irqentry_exit_to_user_mode+0x9/0x30 kernel/entry/common.c:315
exc_page_fault+0x8c/0x100 arch/x86/mm/fault.c:1519
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:608
RIP: 0033:0x7f595879c821
Code: 00 00 00 00 0f 1f 44 00 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 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f
RSP: 002b:fffffffffffffe70 EFLAGS: 00010217
RAX: 0000000000000000 RBX: 00007f5958a16090 RCX: 00007f595879c819
RDX: 0000000000000000 RSI: fffffffffffffe70 RDI: 0000000000008000
RBP: 00007f5958832c91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
R13: 00007f5958a16128 R14: 00007f5958a16090 R15: 00007ffe51fe0cd8
----------------
Code disassembly (best guess):
0: 84 2e test %ch,(%rsi)
2: 02 00 add (%rax),%al
4: 00 48 c7 add %cl,-0x39(%rax)
7: c0 6c 37 8b 8e shrb $0x8e,-0x75(%rdi,%rsi,1)
c: 48 c1 e8 03 shr $0x3,%rax
10: 42 0f b6 04 38 movzbl (%rax,%r15,1),%eax
15: 84 c0 test %al,%al
17: 0f 85 1d 02 00 00 jne 0x23a
1d: 83 3d 7f 0c 23 0d 00 cmpl $0x0,0xd230c7f(%rip) # 0xd230ca3
24: 0f 84 0c 01 00 00 je 0x136
* 2a: 65 8b 05 ee 5e 9a 7e mov %gs:0x7e9a5eee(%rip),%eax # 0x7e9a5f1f <-- trapping instruction
31: 85 c0 test %eax,%eax
33: 0f 85 44 01 00 00 jne 0x17d
39: 65 gs
3a: 4c rex.WR
3b: 8b .byte 0x8b
3c: 35 .byte 0x35
3d: b6 8a mov $0x8a,%dh
3f: 9b fwait