------------[ cut here ]------------
WARNING: CPU: 1 PID: 15838 at net/mac80211/tx.c:4859 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4859 [inline]
WARNING: CPU: 1 PID: 15838 at net/mac80211/tx.c:4859 __ieee80211_beacon_get+0x179f/0x2000 net/mac80211/tx.c:5083
Modules linked in:
CPU: 1 PID: 15838 Comm: syz.9.1602 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4859 [inline]
RIP: 0010:__ieee80211_beacon_get+0x179f/0x2000 net/mac80211/tx.c:5083
Code: 2a 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 6d 09 2a f8 0f 0b e9 03 ef ff ff e8 61 09 2a f8 <0f> 0b e9 76 f2 ff ff e8 65 ae 6d 00 89 d9 80 e1 07 80 c1 03 38 c1
RSP: 0018:ffffc90000dd08e0 EFLAGS: 00010246
RAX: ffffffff894f2b2f RBX: ffff888066ffe268 RCX: ffff88802a351dc0
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000dd0b08 R08: ffff88802a351dc0 R09: 0000000000000003
R10: 0000000000000007 R11: 0000000000000100 R12: ffff8880250ec400
R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffff920001ba12c
FS: 00007fa98df296c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c40b84a CR3: 0000000054119000 CR4: 00000000003506e0
DR0: ffffffffffffffff DR1: 00000000000001f8 DR2: 0000000000000002
DR3: ffffffffefffff15 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
ieee80211_beacon_get_tim+0x48/0x840 net/mac80211/tx.c:5202
ieee80211_beacon_get include/net/mac80211.h:4983 [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:1685 [inline]
__hrtimer_run_queues+0x4f2/0xb70 kernel/time/hrtimer.c:1749
hrtimer_run_softirq+0x176/0x240 kernel/time/hrtimer.c:1766
handle_softirqs+0x339/0x830 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
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:get_current arch/x86/include/asm/current.h:15 [inline]
RIP: 0010:pagefault_disabled include/linux/uaccess.h:259 [inline]
RIP: 0010:__might_fault+0x1c/0x110 mm/memory.c:5352
Code: e9 df fe ff ff 66 0f 1f 84 00 00 00 00 00 55 41 57 41 56 41 54 53 89 f5 49 89 fe 49 bc 00 00 00 00 00 fc ff df e8 34 70 ca ff <65> 48 8b 1d 5c ab 53 7e 4c 8d bb 88 17 00 00 4c 89 f8 48 c1 e8 03
RSP: 0018:ffffc900031afc70 EFLAGS: 00000246
RAX: ffffffff81aec45c RBX: 0000000000000000 RCX: 0000000000080000
RDX: ffffc90011e6d000 RSI: 000000000007ffff RDI: 0000000000080000
RBP: 0000000000000af6 R08: ffffc900031af6e7 R09: 1ffff92000635edc
R10: dffffc0000000000 R11: fffff52000635edd R12: dffffc0000000000
R13: 0000200000163bc0 R14: ffffffff8b1e6900 R15: dffffc0000000000
do_recvmmsg+0x3ab/0x850 net/socket.c:2806
__sys_recvmmsg net/socket.c:2879 [inline]
__do_sys_recvmmsg net/socket.c:2902 [inline]
__se_sys_recvmmsg net/socket.c:2895 [inline]
__x64_sys_recvmmsg+0x195/0x250 net/socket.c:2895
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: 0033:0x7fa98fcf0dd9
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:00007fa98df29028 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 00007fa98ff6a090 RCX: 00007fa98fcf0dd9
RDX: 00000000080002c1 RSI: 0000200000000040 RDI: 0000000000000005
RBP: 00007fa98fd86d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fa98ff6a128 R14: 00007fa98ff6a090 R15: 00007fff6671bfc8
----------------
Code disassembly (best guess):
0: e9 df fe ff ff jmp 0xfffffee4
5: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1)
c: 00 00
e: 55 push %rbp
f: 41 57 push %r15
11: 41 56 push %r14
13: 41 54 push %r12
15: 53 push %rbx
16: 89 f5 mov %esi,%ebp
18: 49 89 fe mov %rdi,%r14
1b: 49 bc 00 00 00 00 00 movabs $0xdffffc0000000000,%r12
22: fc ff df
25: e8 34 70 ca ff call 0xffca705e
* 2a: 65 48 8b 1d 5c ab 53 mov %gs:0x7e53ab5c(%rip),%rbx # 0x7e53ab8e <-- trapping instruction
31: 7e
32: 4c 8d bb 88 17 00 00 lea 0x1788(%rbx),%r15
39: 4c 89 f8 mov %r15,%rax
3c: 48 c1 e8 03 shr $0x3,%rax