------------[ cut here ]------------
WARNING: CPU: 0 PID: 12850 at net/mac80211/tx.c:5031 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5031 [inline]
WARNING: CPU: 0 PID: 12850 at net/mac80211/tx.c:5031 __ieee80211_beacon_get+0x1233/0x1600 net/mac80211/tx.c:5442
Modules linked in:
CPU: 0 PID: 12850 Comm: syz.8.1428 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
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 0e 25 db f7 45 31 f6 4c 8b bc 24 a0 00 00 00 e9 7a fe ff ff e8 59 f6 9d f7 0f 0b e9 f6 f7 ff ff e8 4d f6 9d f7 <0f> 0b e9 48 fb ff ff e8 41 f6 9d f7 48 c7 c7 e0 96 23 8e 4c 89 e6
RSP: 0018:ffffc90000007a18 EFLAGS: 00010246
RAX: ffffffff89e79a73 RBX: ffffffff89e78876 RCX: ffff88802407da00
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffff88802407da00 R09: 0000000000000003
R10: 0000000000000007 R11: 0000000000000100 R12: ffff8880560763c0
R13: dffffc0000000000 R14: ffff8880560768b0 R15: ffff88806a863024
FS: 00007f9e3769c6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005555913ba490 CR3: 000000007e20d000 CR4: 00000000003506f0
Call Trace:
ieee80211_beacon_get_tim+0xb8/0x560 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+0x51e/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+0xc7/0x190 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:native_irq_disable arch/x86/include/asm/irqflags.h:37 [inline]
RIP: 0010:arch_local_irq_disable arch/x86/include/asm/irqflags.h:94 [inline]
RIP: 0010:arch_local_irq_save arch/x86/include/asm/irqflags.h:108 [inline]
RIP: 0010:lock_release+0x148/0x8b0 kernel/locking/lockdep.c:5770
Code: 51 04 00 00 4c 89 74 24 10 48 c7 84 24 a0 00 00 00 00 00 00 00 9c 8f 84 24 a0 00 00 00 48 8b 84 24 a0 00 00 00 48 89 44 24 50 48 c7 c7 c0 c9 aa 8a e8 6b 11 00 09 65 ff 05 bc 0d 9b 7e c7 44
RSP: 0018:ffffc90004cded20 EFLAGS: 00000246
RAX: 0000000000000246 RBX: ffff88802407e4dc RCX: 1cb26febd586a600
RDX: 0000000000000000 RSI: ffffffff8afc6f60 RDI: ffffffff8afc6f20
RBP: ffffc90004cdee40 R08: ffffffff8e4a212f R09: 1ffffffff1c94425
R10: dffffc0000000000 R11: fffffbfff1c94426 R12: ffffffff81e7cf0c
R13: dffffc0000000000 R14: ffff88802407da00 R15: 1ffff9200099bdb0
page_table_check_ptes_set include/linux/page_table_check.h:74 [inline]
set_ptes include/linux/pgtable.h:238 [inline]
set_pte_range+0x679/0x6a0 mm/memory.c:4407
filemap_map_order0_folio mm/filemap.c:3599 [inline]
filemap_map_pages+0xe9b/0x1950 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+0x379b/0x4920 mm/memory.c:5353
faultin_page mm/gup.c:868 [inline]
__get_user_pages+0x5ea/0x1470 mm/gup.c:1167
__get_user_pages_locked mm/gup.c:1431 [inline]
get_dump_page+0x103/0x200 mm/gup.c:1939
dump_user_range+0x12c/0x800 fs/coredump.c:982
elf_core_dump+0x3114/0x36e0 fs/binfmt_elf.c:2184
do_coredump+0x1755/0x2480 fs/coredump.c:833
get_signal+0x1133/0x1400 kernel/signal.c:2888
arch_do_signal_or_restart+0x9c/0x7b0 arch/x86/kernel/signal.c:310
exit_to_user_mode_loop+0x70/0x110 kernel/entry/common.c:174
exit_to_user_mode_prepare+0xf6/0x180 kernel/entry/common.c:210
irqentry_exit_to_user_mode+0x9/0x40 kernel/entry/common.c:315
exc_page_fault+0x8f/0x110 arch/x86/mm/fault.c:1524
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:608
RIP: 0033:0x7f9e3678f751
Code: 00 00 00 00 00 0f 1f 40 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 a8 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: 00007f9e369e6180 RCX: 00007f9e3678f749
RDX: 0000000000000000 RSI: fffffffffffffe70 RDI: 0000000000008000
RBP: 00007f9e36813f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
R13: 00007f9e369e6218 R14: 00007f9e369e6180 R15: 00007fffd741c0c8
----------------
Code disassembly (best guess):
0: 51 push %rcx
1: 04 00 add $0x0,%al
3: 00 4c 89 74 add %cl,0x74(%rcx,%rcx,4)
7: 24 10 and $0x10,%al
9: 48 c7 84 24 a0 00 00 movq $0x0,0xa0(%rsp)
10: 00 00 00 00 00
15: 9c pushf
16: 8f 84 24 a0 00 00 00 pop 0xa0(%rsp)
1d: 48 8b 84 24 a0 00 00 mov 0xa0(%rsp),%rax
24: 00
25: 48 89 44 24 50 mov %rax,0x50(%rsp)
* 2a: fa cli <-- trapping instruction
2b: 48 c7 c7 c0 c9 aa 8a mov $0xffffffff8aaac9c0,%rdi
32: e8 6b 11 00 09 call 0x90011a2
37: 65 ff 05 bc 0d 9b 7e incl %gs:0x7e9b0dbc(%rip) # 0x7e9b0dfa
3e: c7 .byte 0xc7
3f: 44 rex.R