------------[ cut here ]------------
WARNING: CPU: 0 PID: 4266 at net/mac80211/tx.c:4934 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4934 [inline]
WARNING: CPU: 0 PID: 4266 at net/mac80211/tx.c:4934 __ieee80211_beacon_get+0x1952/0x1f50 net/mac80211/tx.c:5255
Modules linked in:
CPU: 0 PID: 4266 Comm: syz-executor 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: ffff88802ce49dc0
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000007aa8 R08: ffff88802ce49dc0 R09: 0000000000000003
R10: 0000000000000007 R11: 0000000000000100 R12: 1ffff92000000f2c
R13: dffffc0000000000 R14: ffff88807bbd6258 R15: ffff888056597000
FS: 000055556eac9500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb226a65afa CR3: 000000005bcb1000 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:is_cow_mapping include/linux/mm.h:-1 [inline]
RIP: 0010:copy_present_pte mm/memory.c:983 [inline]
RIP: 0010:copy_pte_range mm/memory.c:1091 [inline]
RIP: 0010:copy_pmd_range mm/memory.c:1177 [inline]
RIP: 0010:copy_pud_range mm/memory.c:1214 [inline]
RIP: 0010:copy_p4d_range mm/memory.c:1238 [inline]
RIP: 0010:copy_page_range+0x1702/0x39e0 mm/memory.c:1336
Code: 00 00 ff 84 84 90 02 00 00 4c 8b b4 24 a8 01 00 00 41 83 e6 28 bf 20 00 00 00 4c 89 f6 e8 06 98 c2 ff 48 8b 9c 24 00 01 00 00 <83> e3 02 31 ff 48 89 de e8 f1 97 c2 ff 49 83 fe 20 75 2b 48 85 db
RSP: 0018:ffffc900040e7560 EFLAGS: 00000293
RAX: ffffffff81be435a RBX: 8000000068551007 RCX: ffff88802ce49dc0
RDX: 0000000000000000 RSI: 0000000000000028 RDI: 0000000000000020
RBP: ffffc900040e7850 R08: dffffc0000000000 R09: fffff94000342a89
R10: fffff94000342a89 R11: 1ffffd4000342a88 R12: 1ffffd4000342a89
R13: ffffea0001a15440 R14: 0000000000000028 R15: ffffea0001a15440
dup_mmap kernel/fork.c:697 [inline]
dup_mm kernel/fork.c:1541 [inline]
copy_mm+0xde1/0x15c0 kernel/fork.c:1590
copy_process+0x1953/0x4020 kernel/fork.c:2351
kernel_clone+0x225/0x8b0 kernel/fork.c:2757
__do_sys_clone kernel/fork.c:2898 [inline]
__se_sys_clone kernel/fork.c:2882 [inline]
__x64_sys_clone+0x17c/0x1d0 kernel/fork.c:2882
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f32f3185193
Code: 1f 84 00 00 00 00 00 64 48 8b 04 25 10 00 00 00 45 31 c0 31 d2 31 f6 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 35 89 c2 85 c0 75 2c 64 48 8b 04 25 10 00 00
RSP: 002b:00007ffeb0b340c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f32f3185193
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000001
R10: 000055556eac97d0 R11: 0000000000000246 R12: 0000000000000000
R13: 000055556eadc590 R14: 0000000000103270 R15: 00007ffeb0b34260
----------------
Code disassembly (best guess):
0: 00 00 add %al,(%rax)
2: ff 84 84 90 02 00 00 incl 0x290(%rsp,%rax,4)
9: 4c 8b b4 24 a8 01 00 mov 0x1a8(%rsp),%r14
10: 00
11: 41 83 e6 28 and $0x28,%r14d
15: bf 20 00 00 00 mov $0x20,%edi
1a: 4c 89 f6 mov %r14,%rsi
1d: e8 06 98 c2 ff call 0xffc29828
22: 48 8b 9c 24 00 01 00 mov 0x100(%rsp),%rbx
29: 00
* 2a: 83 e3 02 and $0x2,%ebx <-- trapping instruction
2d: 31 ff xor %edi,%edi
2f: 48 89 de mov %rbx,%rsi
32: e8 f1 97 c2 ff call 0xffc29828
37: 49 83 fe 20 cmp $0x20,%r14
3b: 75 2b jne 0x68
3d: 48 85 db test %rbx,%rbx