hrtimer: interrupt took 54503 ns
------------[ cut here ]------------
WARNING: CPU: 0 PID: 4870 at net/mac80211/tx.c:4981 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4981 [inline]
WARNING: CPU: 0 PID: 4870 at net/mac80211/tx.c:4981 __ieee80211_beacon_get+0x1141/0x1520 net/mac80211/tx.c:5382
Modules linked in:
CPU: 0 PID: 4870 Comm: syz.1.92 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026
RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4981 [inline]
RIP: 0010:__ieee80211_beacon_get+0x1141/0x1520 net/mac80211/tx.c:5382
Code: f7 4c 89 ef e8 60 37 01 f8 45 31 ed 4c 8b bc 24 a0 00 00 00 e9 7f fe ff ff e8 8b 6a c8 f7 0f 0b e9 61 f8 ff ff e8 7f 6a c8 f7 <0f> 0b e9 85 fb ff ff e8 73 6a c8 f7 48 c7 c7 40 13 fd 8e 4c 89 e6
RSP: 0018:ffffc90000007a48 EFLAGS: 00010246
RAX: ffffffff89b9fe21 RBX: dffffc0000000000 RCX: ffff88805d495a00
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffff88805d495a00 R09: 0000000000000003
R10: 0000000000000007 R11: 0000000000000100 R12: ffff8880285d2208
R13: ffff88805e9d7824 R14: ffff8880285d2740 R15: ffff88805e9d7800
FS:  00007fb84ad8f6c0(0000) GS:ffff8880b8c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000162030 CR3: 00000000251db000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 ieee80211_beacon_get_tim+0x63/0x4e0 net/mac80211/tx.c:5509
 ieee80211_beacon_get include/net/mac80211.h:5338 [inline]
 mac80211_hwsim_beacon_tx+0x21c/0xae0 drivers/net/wireless/mac80211_hwsim.c:2097
 __iterate_interfaces+0x225/0x4c0 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:2153
 __run_hrtimer kernel/time/hrtimer.c:1751 [inline]
 __hrtimer_run_queues+0x522/0xc90 kernel/time/hrtimer.c:1815
 hrtimer_run_softirq+0x173/0x290 kernel/time/hrtimer.c:1832
 handle_softirqs+0x291/0x910 kernel/softirq.c:596
 __do_softirq kernel/softirq.c:630 [inline]
 invoke_softirq kernel/softirq.c:470 [inline]
 __irq_exit_rcu+0x13b/0x230 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
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:do_user_addr_fault+0x22e/0xbb0 arch/x86/include/asm/irqflags.h:-1
Code: 02 00 00 31 ff e8 d2 03 49 00 48 81 e3 00 02 00 00 75 07 e8 e4 ff 48 00 eb 0b e8 dd ff 48 00 e8 78 72 4f 00 fb bd 14 02 00 00 <4c> 89 3c 24 0f 1f 44 00 00 e8 c4 ff 48 00 45 89 e6 41 83 e6 02 31
RSP: 0018:ffffc900046f7730 EFLAGS: 00000286
RAX: d32f1929e7172900 RBX: 0000000000000200 RCX: d32f1929e7172900
RDX: dffffc0000000000 RSI: ffffffff8aac1cc0 RDI: ffffffff8afe72a0
RBP: 0000000000000214 R08: ffffffff8f22416f R09: 1ffffffff1e4482d
R10: dffffc0000000000 R11: fffffbfff1e4482e R12: 0000000000000003
R13: ffff88805d495a00 R14: 0000200000162030 R15: ffffc900046f7828
 handle_page_fault arch/x86/mm/fault.c:1429 [inline]
 exc_page_fault+0x60/0x100 arch/x86/mm/fault.c:1482
 asm_exc_page_fault+0x22/0x30 arch/x86/include/asm/idtentry.h:608
RIP: 0010:__put_user_nocheck_4+0x3/0x11
Code: 00 00 48 39 d9 73 54 0f 01 cb 66 89 01 31 c9 0f 01 ca c3 90 90 90 90 90 48 bb fd ef ff ff ff 7f 00 00 48 39 d9 73 34 0f 01 cb <89> 01 31 c9 0f 01 ca c3 90 90 90 90 90 90 48 bb f9 ef ff ff ff 7f
RSP: 0018:ffffc900046f78d8 EFLAGS: 00050202
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000200000162030
RDX: ffff88805d495a00 RSI: 0000000000000002 RDI: 00000000ffffffff
RBP: ffffc900046f7a70 R08: ffffc900046f76e7 R09: 1ffff920008deedc
R10: dffffc0000000000 R11: fffff520008deedd R12: dffffc0000000000
R13: 0000200000162000 R14: 0000000000000000 R15: 0000000000000002
 ____sys_recvmsg+0x390/0x5b0 net/socket.c:2751
 ___sys_recvmsg+0x210/0x590 net/socket.c:2780
 do_recvmmsg+0x370/0x810 net/socket.c:2874
 __sys_recvmmsg net/socket.c:2953 [inline]
 __do_sys_recvmmsg net/socket.c:2976 [inline]
 __se_sys_recvmmsg net/socket.c:2969 [inline]
 __x64_sys_recvmmsg+0x195/0x250 net/socket.c:2969
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fb849f9fb19
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fb84ad8f028 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 00007fb84a226090 RCX: 00007fb849f9fb19
RDX: 0000000000010106 RSI: 00002000000000c0 RDI: 0000000000000003
RBP: 00007fb84a037b70 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fb84a226128 R14: 00007fb84a226090 R15: 00007ffdf0cb7b58
 </TASK>
----------------
Code disassembly (best guess):
   0:	02 00                	add    (%rax),%al
   2:	00 31                	add    %dh,(%rcx)
   4:	ff                   	ljmp   (bad)
   5:	e8 d2 03 49 00       	call   0x4903dc
   a:	48 81 e3 00 02 00 00 	and    $0x200,%rbx
  11:	75 07                	jne    0x1a
  13:	e8 e4 ff 48 00       	call   0x48fffc
  18:	eb 0b                	jmp    0x25
  1a:	e8 dd ff 48 00       	call   0x48fffc
  1f:	e8 78 72 4f 00       	call   0x4f729c
  24:	fb                   	sti
  25:	bd 14 02 00 00       	mov    $0x214,%ebp
* 2a:	4c 89 3c 24          	mov    %r15,(%rsp) <-- trapping instruction
  2e:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  33:	e8 c4 ff 48 00       	call   0x48fffc
  38:	45 89 e6             	mov    %r12d,%r14d
  3b:	41 83 e6 02          	and    $0x2,%r14d
  3f:	31                   	.byte 0x31