------------[ cut here ]------------
WARNING: CPU: 1 PID: 4270 at net/mac80211/tx.c:4883 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4883 [inline]
WARNING: CPU: 1 PID: 4270 at net/mac80211/tx.c:4883 __ieee80211_beacon_get+0x178a/0x1ff0 net/mac80211/tx.c:5107
Modules linked in:
CPU: 1 PID: 4270 Comm: kworker/1:7 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026
Workqueue: events nsim_dev_trap_report_work
RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4883 [inline]
RIP: 0010:__ieee80211_beacon_get+0x178a/0x1ff0 net/mac80211/tx.c:5107
Code: 1d f8 0f 0b 4f 89 64 2f 04 4f 89 64 2f 0c 43 c6 44 2f 14 f8 e9 19 fe ff ff e8 12 8f 1d f8 0f 0b e9 16 ef ff ff e8 06 8f 1d f8 <0f> 0b e9 7c f2 ff ff e8 ba ec 6d 00 89 d9 80 e1 07 80 c1 03 38 c1
RSP: 0018:ffffc90000dd08c0 EFLAGS: 00010246
RAX: ffffffff895b9e8a RBX: ffff88805fadd600 RCX: ffff88802b108000
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000dd0af8 R08: ffff88802b108000 R09: 0000000000000003
R10: 0000000000000007 R11: 0000000000000100 R12: f8f8f8f8f8f8f8f8
R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffff920001ba128
FS:  0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000020000010a030 CR3: 0000000052924000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 ieee80211_beacon_get_tim+0x48/0x840 net/mac80211/tx.c:5226
 ieee80211_beacon_get include/net/mac80211.h:4983 [inline]
 mac80211_hwsim_beacon_tx+0x104/0x900 drivers/net/wireless/mac80211_hwsim.c:1812
 __iterate_interfaces+0x225/0x4c0 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:1685 [inline]
 __hrtimer_run_queues+0x4ea/0xb60 kernel/time/hrtimer.c:1749
 hrtimer_run_softirq+0x176/0x240 kernel/time/hrtimer.c:1766
 handle_softirqs+0x336/0x830 kernel/softirq.c:576
 __do_softirq kernel/softirq.c:610 [inline]
 invoke_softirq kernel/softirq.c:450 [inline]
 __irq_exit_rcu+0x13b/0x230 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
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:__set_page_owner_handle mm/page_owner.c:159 [inline]
RIP: 0010:__set_page_owner+0xc1/0x2d0 mm/page_owner.c:182
Code: 85 60 b4 ff 41 83 ef 01 0f 82 03 02 00 00 e8 76 60 b4 ff 4c 8b 2d bf 9e 5b 0b 4b 8d 7c 2e 08 48 89 f8 48 c1 e8 03 0f b6 04 18 <84> c0 0f 85 39 01 00 00 4d 01 f5 8b 04 24 41 89 45 08 4c 89 e8 48
RSP: 0018:ffffc90002f7f650 EFLAGS: 00000a06
RAX: 0000000000000000 RBX: dffffc0000000000 RCX: ffff88802b108000
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff888018e14920
RBP: 0000000000000003 R08: ffff888018e148e7 R09: 1ffff110031c291c
R10: dffffc0000000000 R11: ffffed10031c291d R12: 00000000001d2a20
R13: 0000000000000008 R14: ffff888018e14910 R15: 0000000000000004
 prep_new_page mm/page_alloc.c:2426 [inline]
 get_page_from_freelist+0x24f6/0x2670 mm/page_alloc.c:4192
 __alloc_pages+0x1ee/0x480 mm/page_alloc.c:5501
 alloc_slab_page mm/slub.c:1780 [inline]
 allocate_slab mm/slub.c:1917 [inline]
 new_slab+0xc0/0x4b0 mm/slub.c:1980
 ___slab_alloc+0x807/0xdd0 mm/slub.c:3013
 __slab_alloc mm/slub.c:3100 [inline]
 slab_alloc_node mm/slub.c:3191 [inline]
 __kmalloc_node_track_caller+0x13d/0x3a0 mm/slub.c:4963
 kmalloc_reserve net/core/skbuff.c:356 [inline]
 __alloc_skb+0x22c/0x750 net/core/skbuff.c:427
 alloc_skb include/linux/skbuff.h:1162 [inline]
 nsim_dev_trap_skb_build drivers/net/netdevsim/dev.c:664 [inline]
 nsim_dev_trap_report drivers/net/netdevsim/dev.c:721 [inline]
 nsim_dev_trap_report_work+0x25c/0xab0 drivers/net/netdevsim/dev.c:762
 process_one_work+0x867/0xff0 kernel/workqueue.c:2310
 worker_thread+0xad7/0x12a0 kernel/workqueue.c:2457
 kthread+0x42e/0x520 kernel/kthread.c:334
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
 </TASK>
----------------
Code disassembly (best guess), 2 bytes skipped:
   0:	b4 ff                	mov    $0xff,%ah
   2:	41 83 ef 01          	sub    $0x1,%r15d
   6:	0f 82 03 02 00 00    	jb     0x20f
   c:	e8 76 60 b4 ff       	call   0xffb46087
  11:	4c 8b 2d bf 9e 5b 0b 	mov    0xb5b9ebf(%rip),%r13        # 0xb5b9ed7
  18:	4b 8d 7c 2e 08       	lea    0x8(%r14,%r13,1),%rdi
  1d:	48 89 f8             	mov    %rdi,%rax
  20:	48 c1 e8 03          	shr    $0x3,%rax
  24:	0f b6 04 18          	movzbl (%rax,%rbx,1),%eax
* 28:	84 c0                	test   %al,%al <-- trapping instruction
  2a:	0f 85 39 01 00 00    	jne    0x169
  30:	4d 01 f5             	add    %r14,%r13
  33:	8b 04 24             	mov    (%rsp),%eax
  36:	41 89 45 08          	mov    %eax,0x8(%r13)
  3a:	4c 89 e8             	mov    %r13,%rax
  3d:	48                   	rex.W