------------[ cut here ]------------
WARNING: CPU: 0 PID: 20063 at net/mac80211/tx.c:4946 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4946 [inline]
WARNING: CPU: 0 PID: 20063 at net/mac80211/tx.c:4946 __ieee80211_beacon_get+0x1141/0x1520 net/mac80211/tx.c:5347
Modules linked in:
CPU: 0 PID: 20063 Comm: syz.7.3615 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4946 [inline]
RIP: 0010:__ieee80211_beacon_get+0x1141/0x1520 net/mac80211/tx.c:5347
Code: f7 4c 89 ef e8 b0 74 0c f8 45 31 ed 4c 8b bc 24 a0 00 00 00 e9 7f fe ff ff e8 0b d5 d3 f7 0f 0b e9 61 f8 ff ff e8 ff d4 d3 f7 <0f> 0b e9 85 fb ff ff e8 f3 d4 d3 f7 48 c7 c7 a0 06 fb 8d 4c 89 e6
RSP: 0018:ffffc90000007a48 EFLAGS: 00010246
RAX: ffffffff89ae4c11 RBX: dffffc0000000000 RCX: ffff88803005da00
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffff88803005da00 R09: 0000000000000003
R10: 0000000000000007 R11: 0000000000000100 R12: ffff888031796228
R13: ffff88805611ac24 R14: ffff888031796760 R15: ffff88805611ac00
FS: 00007fca750d46c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fca741ea540 CR3: 0000000063748000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
ieee80211_beacon_get_tim+0x63/0x4e0 net/mac80211/tx.c:5474
ieee80211_beacon_get include/net/mac80211.h:5335 [inline]
mac80211_hwsim_beacon_tx+0x21c/0xae0 drivers/net/wireless/mac80211_hwsim.c:2091
__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:2147
__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
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:raw_spin_rq_unlock_irq+0x13/0x90 kernel/sched/sched.h:1375
Code: 38 c1 7c d2 e8 ae 74 78 00 eb cb 0f 0b 66 2e 0f 1f 84 00 00 00 00 00 41 57 41 56 53 eb 11 e8 24 1d da 08 e8 9f b3 2d 00 fb 5b <41> 5e 41 5f c3 49 be 00 00 00 00 00 fc ff df 49 89 ff 48 8d 9f 58
RSP: 0018:ffffc9000d5de128 EFLAGS: 00000282
RAX: 4758b190e9610f00 RBX: ffff8880b8e3ba78 RCX: 4758b190e9610f00
RDX: dffffc0000000000 RSI: ffffffff8a8c17a0 RDI: ffffffff8adee1a0
RBP: ffffc9000d5de2d0 R08: ffffffff90af224f R09: 1ffffffff215e449
R10: dffffc0000000000 R11: fffffbfff215e44a R12: ffff88803005da00
R13: dffffc0000000000 R14: dffffc0000000000 R15: ffff8880b8e3ba48
__schedule+0x130a/0x4030 kernel/sched/core.c:6568
preempt_schedule_irq+0xbb/0x160 kernel/sched/core.c:6874
irqentry_exit+0x63/0x70 kernel/entry/common.c:439
asm_sysvec_call_function_single+0x16/0x20 arch/x86/include/asm/idtentry.h:699
RIP: 0010:__thunk_restore+0x0/0x10 arch/x86/entry/thunk_64.S:40
Code: 52 51 50 41 50 41 51 41 52 41 53 e8 7a f1 32 09 eb 18 55 48 89 e5 57 56 52 51 50 41 50 41 51 41 52 41 53 e8 02 f3 32 09 eb 00 <41> 5b 41 5a 41 59 41 58 58 59 5a 5e 5f 5d c3 00 81 fe c2 01 00 00
RSP: 0018:ffffc9000d5de448 EFLAGS: 00000246
RAX: 4758b190e9610f00 RBX: ffffc9000d5de548 RCX: ffffffff8a337665
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff88803005da00
RBP: ffffc9000d5de490 R08: ffff88803005da07 R09: 1ffff1100600bb40
R10: dffffc0000000000 R11: ffffed100600bb41 R12: ffffc9000d5d8000
R13: dffffc0000000000 R14: ffffc9000d5de558 R15: ffffc9000d5de8c0
unwind_next_frame+0x172b/0x1fd0 arch/x86/kernel/unwind_orc.c:629
arch_stack_walk+0x10c/0x140 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0xa6/0xf0 kernel/stacktrace.c:122
save_stack+0x121/0x230 mm/page_owner.c:127
__reset_page_owner+0x51/0x190 mm/page_owner.c:148
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1487 [inline]
free_pcp_prepare mm/page_alloc.c:1537 [inline]
free_unref_page_prepare+0x8e5/0x9e0 mm/page_alloc.c:3414
free_unref_page+0x2e/0x3f0 mm/page_alloc.c:3509
free_slab mm/slub.c:2036 [inline]
discard_slab mm/slub.c:2042 [inline]
__unfreeze_partials+0x188/0x1e0 mm/slub.c:2591
put_cpu_partial+0x17c/0x250 mm/slub.c:2667
qlink_free mm/kasan/quarantine.c:168 [inline]
qlist_free_all+0x76/0xe0 mm/kasan/quarantine.c:187
kasan_quarantine_reduce+0x144/0x160 mm/kasan/quarantine.c:294
__kasan_slab_alloc+0x1e/0x80 mm/kasan/common.c:306
kasan_slab_alloc include/linux/kasan.h:201 [inline]
slab_post_alloc_hook+0x4b/0x490 mm/slab.h:737
slab_alloc_node mm/slub.c:3359 [inline]
__kmem_cache_alloc_node+0x19d/0x270 mm/slub.c:3398
__do_kmalloc_node mm/slab_common.c:935 [inline]
__kmalloc_node_track_caller+0xa0/0x240 mm/slab_common.c:956
kvasprintf+0xe8/0x1a0 lib/kasprintf.c:25
kobject_set_name_vargs+0x5d/0x110 lib/kobject.c:265
kobject_add_varg lib/kobject.c:360 [inline]
kobject_init_and_add+0xeb/0x190 lib/kobject.c:449
rx_queue_add_kobject net/core/net-sysfs.c:1061 [inline]
net_rx_queue_update_kobjects+0x1d2/0x4d0 net/core/net-sysfs.c:1112
register_queue_kobjects net/core/net-sysfs.c:1772 [inline]
netdev_register_kobject+0x231/0x320 net/core/net-sysfs.c:2017
register_netdevice+0x133a/0x1b80 net/core/dev.c:10243
ipip6_tunnel_create+0x135/0x4b0 net/ipv6/sit.c:215
ipip6_newlink+0x268/0x740 net/ipv6/sit.c:1580
rtnl_newlink_create net/core/rtnetlink.c:3428 [inline]
__rtnl_newlink net/core/rtnetlink.c:3648 [inline]
rtnl_newlink+0x14b3/0x1f90 net/core/rtnetlink.c:3661
rtnetlink_rcv_msg+0x863/0xfb0 net/core/rtnetlink.c:6158
netlink_rcv_skb+0x1ef/0x440 net/netlink/af_netlink.c:2516
netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline]
netlink_unicast+0x7ad/0x920 net/netlink/af_netlink.c:1344
netlink_sendmsg+0x8ad/0xbd0 net/netlink/af_netlink.c:1877
sock_sendmsg_nosec net/socket.c:718 [inline]
__sock_sendmsg net/socket.c:730 [inline]
____sys_sendmsg+0x5ed/0x9a0 net/socket.c:2519
___sys_sendmsg+0x2a2/0x360 net/socket.c:2573
__sys_sendmsg net/socket.c:2602 [inline]
__do_sys_sendmsg net/socket.c:2611 [inline]
__se_sys_sendmsg+0x1c3/0x2b0 net/socket.c:2609
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: 0033:0x7fca7419ce59
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:00007fca750d4028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007fca74416090 RCX: 00007fca7419ce59
RDX: 0000000000000000 RSI: 0000200000000080 RDI: 0000000000000005
RBP: 00007fca74232e6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fca74416128 R14: 00007fca74416090 R15: 00007ffc457b9348
----------------
Code disassembly (best guess):
0: 38 c1 cmp %al,%cl
2: 7c d2 jl 0xffffffd6
4: e8 ae 74 78 00 call 0x7874b7
9: eb cb jmp 0xffffffd6
b: 0f 0b ud2
d: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1)
14: 00 00 00
17: 41 57 push %r15
19: 41 56 push %r14
1b: 53 push %rbx
1c: eb 11 jmp 0x2f
1e: e8 24 1d da 08 call 0x8da1d47
23: e8 9f b3 2d 00 call 0x2db3c7
28: fb sti
29: 5b pop %rbx
* 2a: 41 5e pop %r14 <-- trapping instruction
2c: 41 5f pop %r15
2e: c3 ret
2f: 49 be 00 00 00 00 00 movabs $0xdffffc0000000000,%r14
36: fc ff df
39: 49 89 ff mov %rdi,%r15
3c: 48 rex.W
3d: 8d .byte 0x8d
3e: 9f lahf
3f: 58 pop %rax