syzbot

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WARNING: CPU: 0 PID: 6431 at net/mac80211/tx.c:5038 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5038 [inline]
WARNING: CPU: 0 PID: 6431 at net/mac80211/tx.c:5038 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5033 [inline]
WARNING: CPU: 0 PID: 6431 at net/mac80211/tx.c:5038 __ieee80211_beacon_get+0x14ac/0x16b0 net/mac80211/tx.c:5467
Modules linked in:
CPU: 0 UID: 0 PID: 6431 Comm: syz-executor303 Not tainted 6.12.0-syzkaller-00239-gc6d64479d609 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024
RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5038 [inline]
RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5033 [inline]
RIP: 0010:__ieee80211_beacon_get+0x14ac/0x16b0 net/mac80211/tx.c:5467
Code: 00 89 df 44 89 e6 e8 c3 47 f1 f6 44 38 e3 72 a1 e8 99 46 f1 f6 48 89 ef e8 91 31 48 f7 31 ed e9 9c fe ff ff e8 85 46 f1 f6 90 <0f> 0b 90 e9 86 f6 ff ff 48 89 c6 48 c7 c7 00 a5 2d 90 48 89 04 24
RSP: 0018:ffffc90000007b88 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff8a9c3582
RDX: ffff888021fc4880 RSI: ffffffff8a9c3efb RDI: 0000000000000001
RBP: ffffc90000007c38 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff888031eb4800
R13: 0000000000000041 R14: ffff888075f70cc0 R15: ffff888075f72920
FS:  000055555844b480(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffcf0e74078 CR3: 0000000035ec2000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 ieee80211_beacon_get_tim+0xa7/0x280 net/mac80211/tx.c:5594
 ieee80211_beacon_get include/net/mac80211.h:5607 [inline]
 mac80211_hwsim_beacon_tx+0x4ea/0xa00 drivers/net/wireless/virtual/mac80211_hwsim.c:2311
 __iterate_interfaces+0x2d0/0x5d0 net/mac80211/util.c:774
 ieee80211_iterate_active_interfaces_atomic+0x71/0x1b0 net/mac80211/util.c:810
 mac80211_hwsim_beacon+0x105/0x200 drivers/net/wireless/virtual/mac80211_hwsim.c:2345
 __run_hrtimer kernel/time/hrtimer.c:1691 [inline]
 __hrtimer_run_queues+0x20a/0xae0 kernel/time/hrtimer.c:1755
 hrtimer_run_softirq+0x17d/0x350 kernel/time/hrtimer.c:1772
 handle_softirqs+0x213/0x8f0 kernel/softirq.c:554
 __do_softirq kernel/softirq.c:588 [inline]
 invoke_softirq kernel/softirq.c:428 [inline]
 __irq_exit_rcu kernel/softirq.c:637 [inline]
 irq_exit_rcu+0xbb/0x120 kernel/softirq.c:649
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
 sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1049
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:lock_acquire.part.0+0x155/0x380 kernel/locking/lockdep.c:5790
Code: b8 ff ff ff ff 65 0f c1 05 10 dc 97 7e 83 f8 01 0f 85 d0 01 00 00 9c 58 f6 c4 02 0f 85 e5 01 00 00 48 85 ed 0f 85 b6 01 00 00 <48> b8 00 00 00 00 00 fc ff df 48 01 c3 48 c7 03 00 00 00 00 48 c7
RSP: 0018:ffffc900030af3c8 EFLAGS: 00000206
RAX: 0000000000000046 RBX: 1ffff92000615e7a RCX: 0000000000000001
RDX: 0000000000000001 RSI: ffffffff8b6cd480 RDI: ffffffff8bd1c920
RBP: 0000000000000200 R08: 0000000000000000 R09: fffffbfff2dc6788
R10: ffffffff96e33c47 R11: 0000000000000000 R12: 0000000000000000
R13: ffffffff8e1b8540 R14: 0000000000000000 R15: 0000000000000000
 rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
 rcu_read_lock include/linux/rcupdate.h:849 [inline]
 get_mem_cgroup_from_mm+0x4b/0x5f0 mm/memcontrol.c:921
 __mem_cgroup_charge+0x1a/0x280 mm/memcontrol.c:4486
 mem_cgroup_charge include/linux/memcontrol.h:694 [inline]
 shmem_alloc_and_add_folio+0x507/0xc00 mm/shmem.c:1823
 shmem_get_folio_gfp+0x689/0x1530 mm/shmem.c:2335
 shmem_fault+0x200/0xae0 mm/shmem.c:2536
 __do_fault+0x10a/0x490 mm/memory.c:4882
 do_read_fault mm/memory.c:5297 [inline]
 do_fault mm/memory.c:5431 [inline]
 do_pte_missing+0xec5/0x3e70 mm/memory.c:3965
 handle_pte_fault mm/memory.c:5766 [inline]
 __handle_mm_fault+0x100a/0x2a10 mm/memory.c:5909
 handle_mm_fault+0x3fa/0xaa0 mm/memory.c:6077
 faultin_page mm/gup.c:1187 [inline]
 __get_user_pages+0x8d9/0x3b50 mm/gup.c:1485
 populate_vma_page_range+0x27f/0x3a0 mm/gup.c:1923
 __mm_populate+0x1d6/0x380 mm/gup.c:2026
 mm_populate include/linux/mm.h:3371 [inline]
 vm_mmap_pgoff+0x293/0x360 mm/util.c:593
 ksys_mmap_pgoff+0x7d/0x5c0 mm/mmap.c:542
 __do_sys_mmap arch/x86/kernel/sys_x86_64.c:86 [inline]
 __se_sys_mmap arch/x86/kernel/sys_x86_64.c:79 [inline]
 __x64_sys_mmap+0x125/0x190 arch/x86/kernel/sys_x86_64.c:79
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1dc4a85cd9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 1f 00 00 90 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 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffcf0e74038 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f1dc4a85cd9
RDX: b635773f06ebbeee RSI: 0000000000b36000 RDI: 0000000020000000
RBP: 0000000000000000 R08: 00000000ffffffff R09: 0000000000000000
R10: 0000000000008031 R11: 0000000000000246 R12: 00007ffcf0e74078
R13: 00007ffcf0e74090 R14: 00007ffcf0e740d0 R15: 000000000000006e
 </TASK>
----------------
Code disassembly (best guess):
   0:	b8 ff ff ff ff       	mov    $0xffffffff,%eax
   5:	65 0f c1 05 10 dc 97 	xadd   %eax,%gs:0x7e97dc10(%rip)        # 0x7e97dc1d
   c:	7e
   d:	83 f8 01             	cmp    $0x1,%eax
  10:	0f 85 d0 01 00 00    	jne    0x1e6
  16:	9c                   	pushf
  17:	58                   	pop    %rax
  18:	f6 c4 02             	test   $0x2,%ah
  1b:	0f 85 e5 01 00 00    	jne    0x206
  21:	48 85 ed             	test   %rbp,%rbp
  24:	0f 85 b6 01 00 00    	jne    0x1e0
* 2a:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax <-- trapping instruction
  31:	fc ff df
  34:	48 01 c3             	add    %rax,%rbx
  37:	48 c7 03 00 00 00 00 	movq   $0x0,(%rbx)
  3e:	48                   	rex.W
  3f:	c7                   	.byte 0xc7