------------[ cut here ]------------
WARNING: CPU: 1 PID: 4170 at net/mac80211/tx.c:4851 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4851 [inline]
WARNING: CPU: 1 PID: 4170 at net/mac80211/tx.c:4851 __ieee80211_beacon_get+0x172c/0x1f80 net/mac80211/tx.c:5075
Modules linked in:
CPU: 1 PID: 4170 Comm: syz-executor Not tainted 5.15.185-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:4851 [inline]
RIP: 0010:__ieee80211_beacon_get+0x172c/0x1f80 net/mac80211/tx.c:5075
Code: f8 0f 0b e9 f1 fa ff ff e8 b1 1a 42 f8 0f 0b 4c 8b 74 24 08 e9 36 fe ff ff e8 a0 1a 42 f8 0f 0b e9 3c ef ff ff e8 94 1a 42 f8 <0f> 0b e9 b8 f2 ff ff e8 18 c5 6b 00 44 89 e1 80 e1 07 80 c1 03 38
RSP: 0018:ffffc90000dd08c0 EFLAGS: 00010246
RAX: ffffffff8935a78c RBX: ffff88805f2b4c80 RCX: ffff888029b03b80
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000dd0ae8 R08: ffff888029b03b80 R09: 0000000000000003
R10: 0000000000000007 R11: 0000000000000100 R12: ffff88807f01bc00
R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffff920001ba128
FS: 0000555570440500(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000002000 CR3: 0000000063a1f000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
ieee80211_beacon_get_tim+0x48/0x840 net/mac80211/tx.c:5194
ieee80211_beacon_get include/net/mac80211.h:4981 [inline]
mac80211_hwsim_beacon_tx+0xf4/0x920 drivers/net/wireless/mac80211_hwsim.c:1812
__iterate_interfaces+0x243/0x500 net/mac80211/util.c:793
ieee80211_iterate_active_interfaces_atomic+0xb3/0x140 net/mac80211/util.c:829
mac80211_hwsim_beacon+0x9b/0x180 drivers/net/wireless/mac80211_hwsim.c:1865
__run_hrtimer kernel/time/hrtimer.c:1690 [inline]
__hrtimer_run_queues+0x53d/0xc40 kernel/time/hrtimer.c:1754
hrtimer_run_softirq+0x176/0x240 kernel/time/hrtimer.c:1771
handle_softirqs+0x328/0x820 kernel/softirq.c:576
__do_softirq kernel/softirq.c:610 [inline]
invoke_softirq kernel/softirq.c:450 [inline]
__irq_exit_rcu+0x12f/0x220 kernel/softirq.c:659
irq_exit_rcu+0x5/0x20 kernel/softirq.c:671
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline]
sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1108
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:instrument_atomic_read include/linux/instrumented.h:71 [inline]
RIP: 0010:test_bit include/asm-generic/bitops/instrumented-non-atomic.h:134 [inline]
RIP: 0010:test_ti_thread_flag include/linux/thread_info.h:118 [inline]
RIP: 0010:need_resched include/linux/sched.h:2111 [inline]
RIP: 0010:copy_pte_range mm/memory.c:1051 [inline]
RIP: 0010:copy_pmd_range mm/memory.c:1167 [inline]
RIP: 0010:copy_pud_range mm/memory.c:1204 [inline]
RIP: 0010:copy_p4d_range mm/memory.c:1228 [inline]
RIP: 0010:copy_page_range+0x1009/0x3220 mm/memory.c:1301
Code: 48 4c 8b 64 24 18 bf 1f 00 00 00 44 89 ee e8 ce 3a cb ff 41 83 fd 1f 4c 89 64 24 18 0f 8e e3 00 00 00 65 48 8b 1d f7 e4 55 7e <48> 89 df be 08 00 00 00 e8 ea b0 10 00 48 89 d8 48 c1 e8 03 42 80
RSP: 0018:ffffc90002e7f6a0 EFLAGS: 00000212
RAX: ffffffff81ac8ab2 RBX: ffff888029b03b80 RCX: ffff888029b03b80
RDX: 0000000000000000 RSI: 0000000000000020 RDI: 000000000000001f
RBP: ffffc90002e7f950 R08: dffffc0000000000 R09: fffff94000322c91
R10: fffff94000322c91 R11: 1ffffd4000322c90 R12: 00007f943bd58000
R13: 0000000000000020 R14: ffff88806351bac0 R15: dffffc0000000000
dup_mmap kernel/fork.c:615 [inline]
dup_mm kernel/fork.c:1466 [inline]
copy_mm+0xc5e/0x1370 kernel/fork.c:1518
copy_process+0x17c6/0x3e00 kernel/fork.c:2290
kernel_clone+0x219/0x930 kernel/fork.c:2679
__do_sys_clone kernel/fork.c:2796 [inline]
__se_sys_clone kernel/fork.c:2780 [inline]
__x64_sys_clone+0x170/0x1c0 kernel/fork.c:2780
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f943d256193
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:00007fff962def18 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f943d256193
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000001
R10: 00005555704407d0 R11: 0000000000000246 R12: 0000000000000000
R13: 00000000000927c0 R14: 0000000000012904 R15: 00007fff962df0b0
----------------
Code disassembly (best guess):
0: 48 rex.W
1: 4c 8b 64 24 18 mov 0x18(%rsp),%r12
6: bf 1f 00 00 00 mov $0x1f,%edi
b: 44 89 ee mov %r13d,%esi
e: e8 ce 3a cb ff call 0xffcb3ae1
13: 41 83 fd 1f cmp $0x1f,%r13d
17: 4c 89 64 24 18 mov %r12,0x18(%rsp)
1c: 0f 8e e3 00 00 00 jle 0x105
22: 65 48 8b 1d f7 e4 55 mov %gs:0x7e55e4f7(%rip),%rbx # 0x7e55e521
29: 7e
* 2a: 48 89 df mov %rbx,%rdi <-- trapping instruction
2d: be 08 00 00 00 mov $0x8,%esi
32: e8 ea b0 10 00 call 0x10b121
37: 48 89 d8 mov %rbx,%rax
3a: 48 c1 e8 03 shr $0x3,%rax
3e: 42 rex.X
3f: 80 .byte 0x80