------------[ cut here ]------------
WARNING: CPU: 0 PID: 5145 at net/mac80211/tx.c:4876 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4876 [inline]
WARNING: CPU: 0 PID: 5145 at net/mac80211/tx.c:4876 __ieee80211_beacon_get+0x178a/0x1ff0 net/mac80211/tx.c:5100
Modules linked in:
CPU: 0 PID: 5145 Comm: syz.3.229 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4876 [inline]
RIP: 0010:__ieee80211_beacon_get+0x178a/0x1ff0 net/mac80211/tx.c:5100
Code: 26 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 82 68 26 f8 0f 0b e9 16 ef ff ff e8 76 68 26 f8 <0f> 0b e9 7c f2 ff ff e8 3a 80 6d 00 89 d9 80 e1 07 80 c1 03 38 c1
RSP: 0018:ffffc900000078c0 EFLAGS: 00010246
RAX: ffffffff8952943a RBX: ffff8880610e7e00 RCX: ffff88802960d940
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000007af8 R08: ffff88802960d940 R09: 0000000000000003
R10: 0000000000000007 R11: 0000000000000100 R12: f8f8f8f8f8f8f8f8
R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffff92000000f28
FS:  00007f29c6e956c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1c379ea000 CR3: 000000005e8ca000 CR4: 00000000003506f0
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:5219
 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:lock_release+0x46/0x8a0 kernel/locking/lockdep.c:5631
Code: 30 48 89 7c 24 08 65 48 8b 04 25 28 00 00 00 48 89 84 24 c0 00 00 00 49 bd 00 00 00 00 00 fc ff df 48 c7 44 24 60 b3 8a b5 41 <48> c7 44 24 68 b3 10 c3 8b 48 c7 44 24 70 20 5b 5d 81 4c 8d 64 24
RSP: 0018:ffffc9000329f940 EFLAGS: 00000282
RAX: db9a23ee82e2e800 RBX: 0000000000000038 RCX: 0000000000080000
RDX: ffffc9000f82e000 RSI: ffffffff81ae8817 RDI: ffff88802c234728
RBP: ffffc9000329fa58 R08: dffffc0000000000 R09: 1ffffffff203dc1e
R10: dffffc0000000000 R11: fffffbfff203dc1f R12: ffffc9000329fc00
R13: dffffc0000000000 R14: ffffc9000329fb00 R15: 00002000003d5980
 _copy_from_user+0x29/0x170 lib/usercopy.c:14
 copy_from_user include/linux/uaccess.h:192 [inline]
 __copy_msghdr_from_user net/socket.c:2328 [inline]
 copy_msghdr_from_user net/socket.c:2379 [inline]
 recvmsg_copy_msghdr net/socket.c:2631 [inline]
 ___sys_recvmsg+0x173/0x5c0 net/socket.c:2703
 do_recvmmsg+0x360/0x7f0 net/socket.c:2801
 __sys_recvmmsg net/socket.c:2880 [inline]
 __do_sys_recvmmsg net/socket.c:2903 [inline]
 __se_sys_recvmmsg net/socket.c:2896 [inline]
 __x64_sys_recvmmsg+0x195/0x250 net/socket.c:2896
 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: 0033:0x7f29c8c5e0d9
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:00007f29c6e95028 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 00007f29c8ee6090 RCX: 00007f29c8c5e0d9
RDX: 0000000000010106 RSI: 00002000000000c0 RDI: 0000000000000006
RBP: 00007f29c8cf5024 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f29c8ee6128 R14: 00007f29c8ee6090 R15: 00007ffe33cc4588
 </TASK>
----------------
Code disassembly (best guess):
   0:	30 48 89             	xor    %cl,-0x77(%rax)
   3:	7c 24                	jl     0x29
   5:	08 65 48             	or     %ah,0x48(%rbp)
   8:	8b 04 25 28 00 00 00 	mov    0x28,%eax
   f:	48 89 84 24 c0 00 00 	mov    %rax,0xc0(%rsp)
  16:	00
  17:	49 bd 00 00 00 00 00 	movabs $0xdffffc0000000000,%r13
  1e:	fc ff df
  21:	48 c7 44 24 60 b3 8a 	movq   $0x41b58ab3,0x60(%rsp)
  28:	b5 41
* 2a:	48 c7 44 24 68 b3 10 	movq   $0xffffffff8bc310b3,0x68(%rsp) <-- trapping instruction
  31:	c3 8b
  33:	48 c7 44 24 70 20 5b 	movq   $0xffffffff815d5b20,0x70(%rsp)
  3a:	5d 81
  3c:	4c                   	rex.WR
  3d:	8d                   	.byte 0x8d
  3e:	64                   	fs
  3f:	24                   	.byte 0x24