------------[ cut here ]------------
WARNING: CPU: 0 PID: 6068 at net/mac80211/tx.c:5031 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5031 [inline]
WARNING: CPU: 0 PID: 6068 at net/mac80211/tx.c:5031 __ieee80211_beacon_get+0x1233/0x1600 net/mac80211/tx.c:5442
Modules linked in:
CPU: 0 PID: 6068 Comm: syz.3.49 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
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 2e a7 c1 f7 45 31 f6 4c 8b bc 24 a0 00 00 00 e9 7a fe ff ff e8 09 ee 83 f7 0f 0b e9 f6 f7 ff ff e8 fd ed 83 f7 <0f> 0b e9 48 fb ff ff e8 f1 ed 83 f7 48 c7 c7 00 61 64 8e 4c 89 e6
RSP: 0000:ffffc90000007a18 EFLAGS: 00010246
RAX: ffffffff8a032e63 RBX: ffffffff8a031c66 RCX: ffff88802d69bc00
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffff88802d69bc00 R09: 0000000000000003
R10: 0000000000000007 R11: 0000000000000100 R12: ffff88805be423c0
R13: dffffc0000000000 R14: ffff88805be428b0 R15: ffff8880267c8c24
FS: 00007f6f2a90b6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6f29c17dac CR3: 000000005b53a000 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:node_page_state_add+0x4d/0x90 include/linux/vmstat.h:177
Code: e8 d8 7a 1c 00 f0 4b 01 1c f7 4a 8d 3c f5 40 44 e1 8c be 08 00 00 00 e8 c1 7a 1c 00 f0 4a 01 1c f5 40 44 e1 8c 5b 41 5e 41 5f 48 c7 c7 c0 12 1f 8d 4c 89 f6 e8 c3 fe 99 02 4b 8d 3c f7 be 08
RSP: 0000:ffffc90005d46d68 EFLAGS: 00000212
RAX: 0000000000000001 RBX: 0000000000000019 RCX: ffffffff81c2d26f
RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffffffff8ce144d0
RBP: dffffc0000000000 R08: ffffffff8ce144d7 R09: 1ffffffff19c289a
R10: dffffc0000000000 R11: fffffbfff19c289b R12: ffff88813fffa000
R13: 0000000000041d08 R14: 0000000000000012 R15: 0000000000000012
__mod_node_page_state+0x113/0x160 mm/vmstat.c:400
__mod_lruvec_state mm/memcontrol.c:874 [inline]
__mod_lruvec_page_state+0x1e0/0x410 mm/memcontrol.c:899
__lruvec_stat_mod_folio include/linux/vmstat.h:615 [inline]
folio_add_file_rmap_range+0x35f/0x800 mm/rmap.c:1353
set_pte_range+0x387/0x6a0 mm/memory.c:4405
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: 0033:0x7f6f2999c7a1
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: 00007f6f29c16090 RCX: 00007f6f2999c799
RDX: 0000000000000000 RSI: fffffffffffffe70 RDI: 0000000000008000
RBP: 00007f6f29a32c99 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
R13: 00007f6f29c16128 R14: 00007f6f29c16090 R15: 00007ffd5fea9eb8
----------------
Code disassembly (best guess):
0: e8 d8 7a 1c 00 call 0x1c7add
5: f0 4b 01 1c f7 lock add %rbx,(%r15,%r14,8)
a: 4a 8d 3c f5 40 44 e1 lea -0x731ebbc0(,%r14,8),%rdi
11: 8c
12: be 08 00 00 00 mov $0x8,%esi
17: e8 c1 7a 1c 00 call 0x1c7add
1c: f0 4a 01 1c f5 40 44 lock add %rbx,-0x731ebbc0(,%r14,8)
23: e1 8c
25: 5b pop %rbx
26: 41 5e pop %r14
28: 41 5f pop %r15
* 2a: c3 ret <-- trapping instruction
2b: 48 c7 c7 c0 12 1f 8d mov $0xffffffff8d1f12c0,%rdi
32: 4c 89 f6 mov %r14,%rsi
35: e8 c3 fe 99 02 call 0x299fefd
3a: 4b 8d 3c f7 lea (%r15,%r14,8),%rdi
3e: be .byte 0xbe
3f: 08 .byte 0x8