rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 2660 jiffies s: 365253 root: 0x2/.
rcu: blocking rcu_node structures (internal RCU debug):
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 15874 Comm: syz.3.14923 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026
RIP: 0010:lock_acquire+0xfa/0x4a0 kernel/locking/lockdep.c:5763
Code: a4 6f 00 4c 0f a3 2d ed df be 0d 73 0d e8 2e 3c 08 00 84 c0 0f 84 2f 02 00 00 48 c7 c0 a4 14 23 8f 48 c1 e8 03 42 0f b6 04 38 <84> c0 0f 85 1e 02 00 00 83 3d 7b 14 bf 0d 00 0f 84 0e 01 00 00 65
RSP: 0018:ffffc900001e0180 EFLAGS: 00000803
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 67431a1f47570d00
RDX: 0000000000000000 RSI: ffffffff8aff71c0 RDI: ffffffff8aff7180
RBP: ffffc900001e0288 R08: ffffffff8f22dfef R09: 1ffffffff1e45bfd
R10: dffffc0000000000 R11: fffffbfff1e45bfe R12: 1ffff9200003c03c
R13: 0000000000000001 R14: 0000000000000000 R15: dffffc0000000000
FS:  00007f9a92c676c0(0000) GS:ffff8880b8d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6016427dac CR3: 0000000057349000 CR4: 00000000003506e0
DR0: 0000200000000300 DR1: 0000200000000300 DR2: 0000200000000300
DR3: 0000200000000300 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 rcu_lock_acquire include/linux/rcupdate.h:350 [inline]
 rcu_read_lock include/linux/rcupdate.h:791 [inline]
 __perf_output_begin kernel/events/ring_buffer.c:163 [inline]
 perf_output_begin_forward+0xc3/0xa70 kernel/events/ring_buffer.c:272
 __perf_event_output kernel/events/core.c:7742 [inline]
 perf_event_output_forward+0x1ad/0x2f0 kernel/events/core.c:7760
 __perf_event_overflow+0x457/0x630 kernel/events/core.c:9506
 perf_swevent_overflow kernel/events/core.c:9589 [inline]
 perf_swevent_event+0x315/0x570 kernel/events/core.c:9640
 perf_tp_event+0x36b/0xc10 kernel/events/core.c:10074
 perf_trace_run_bpf_submit+0xf3/0x1c0 kernel/events/core.c:10042
 perf_trace_preemptirq_template+0x268/0x320 include/trace/events/preemptirq.h:14
 trace_irq_enable_rcuidle+0xd3/0x140 include/trace/events/preemptirq.h:40
 trace_hardirqs_on+0x24/0x40 kernel/trace/trace_preemptirq.c:44
 asm_sysvec_irq_work+0x16/0x20 arch/x86/include/asm/idtentry.h:728
RIP: 0010:rcu_read_unlock_special+0x7f/0x510 kernel/rcu/tree_plugin.h:685
Code: eb 03 48 b8 f1 f1 f1 f1 f8 f2 f2 f2 4a 89 04 2b 42 c7 44 2b 08 f8 f3 f3 f3 65 44 8b 35 d2 68 95 7e 41 f7 c6 00 00 f0 00 74 40 <48> c7 44 24 40 0e 36 e0 45 4a c7 04 2b 00 00 00 00 42 c7 44 2b 08
RSP: 0018:ffffc900001e0ae0 EFLAGS: 00000206
RAX: 67431a1f47570d00 RBX: 1ffff9200003c164 RCX: 67431a1f47570d00
RDX: dffffc0000000000 RSI: ffffffff8aac19a0 RDI: ffffffff8aff71e0
RBP: ffffc900001e0bd0 R08: ffffffff91b70247 R09: 1ffffffff236e048
R10: dffffc0000000000 R11: fffffbfff236e049 R12: 0000000000000246
R13: dffffc0000000000 R14: ffff8880b8d3bb00 R15: 0000000000000002
 __rcu_read_unlock+0x78/0xd0 kernel/rcu/tree_plugin.h:426
 rcu_read_unlock include/linux/rcupdate.h:823 [inline]
 ieee80211_iterate_active_interfaces_atomic+0x156/0x170 net/mac80211/util.c:826
 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:console_trylock kernel/printk/printk.c:2656 [inline]
RIP: 0010:console_trylock_spinning kernel/printk/printk.c:1896 [inline]
RIP: 0010:vprintk_emit+0x358/0x6a0 kernel/printk/printk.c:2302
Code: c9 fc ff 48 83 c4 08 f6 05 24 3e 64 16 01 0f 84 a8 00 00 00 f3 90 f6 05 15 3e 64 16 01 0f 84 a0 00 00 00 e8 6a 10 1b 00 eb ea <e8> 63 10 1b 00 c6 05 dc 3c 64 16 01 e9 3e 01 00 00 e8 52 10 1b 00
RSP: 0018:ffffc90005d6ec40 EFLAGS: 00000297
RAX: ffffffff816734b0 RBX: ffffffff8a2fa74a RCX: 0000000000000002
RDX: ffff8880262a8000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90005d6ed30 R08: dffffc0000000000 R09: 1ffffffff236e048
R10: dffffc0000000000 R11: fffffbfff236e049 R12: dffffc0000000000
R13: 1ffff92000badd8c R14: 0000000000000000 R15: 000000000000004e
 _printk+0xda/0x130 kernel/printk/printk.c:2328
 __nla_validate_parse+0x20c1/0x2970 lib/nlattr.c:625
 __nla_parse+0x3c/0x50 lib/nlattr.c:710
 __nlmsg_parse include/net/netlink.h:744 [inline]
 nlmsg_parse_deprecated include/net/netlink.h:785 [inline]
 inet_rtm_valid_getroute_req net/ipv4/route.c:3241 [inline]
 inet_rtm_getroute+0x361/0x2730 net/ipv4/route.c:3315
 rtnetlink_rcv_msg+0x8b2/0xfb0 net/core/rtnetlink.c:6157
 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: 0033:0x7f9a91d9f559
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:00007f9a92c67028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f9a92025fa0 RCX: 00007f9a91d9f559
RDX: 0000000004000000 RSI: 0000200000000600 RDI: 0000000000000008
RBP: 00007f9a91e36b20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f9a92026038 R14: 00007f9a92025fa0 R15: 00007ffc2315bff8
 </TASK>
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	1-....: (1 GPs behind) idle=c77c/1/0x4000000000000002 softirq=193631/193634 fqs=2100
	(detected by 0, t=10505 jiffies, g=317181, q=246 ncpus=2)
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 15874 Comm: syz.3.14923 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026
RIP: 0010:check_kcov_mode kernel/kcov.c:178 [inline]
RIP: 0010:write_comp_data kernel/kcov.c:241 [inline]
RIP: 0010:__sanitizer_cov_trace_const_cmp8+0x2a/0x80 kernel/kcov.c:316
Code: 48 8b 04 24 65 48 8b 0d d4 24 80 7e 65 8b 15 d5 24 80 7e 81 e2 00 01 ff 00 74 11 81 fa 00 01 00 00 75 57 83 b9 1c 16 00 00 00 <74> 4e 8b 91 f8 15 00 00 83 fa 03 75 43 48 8b 91 00 16 00 00 44 8b
RSP: 0018:ffffc900001e0210 EFLAGS: 00000046
RAX: ffffffff8139ec2f RBX: ffff8880b8d3bbb0 RCX: ffff8880262a8000
RDX: 0000000000000100 RSI: ffff8880b8d3bbb0 RDI: ffffffff7fffffff
RBP: 0000000000000001 R08: ffffffff8f22dfef R09: 1ffffffff1e45bfd
R10: dffffc0000000000 R11: fffffbfff1e45bfe R12: 0000000000000000
R13: dffffc0000000001 R14: ffff8880b8d3bbb0 R15: ffff8880b8d3bbb8
FS:  00007f9a92c676c0(0000) GS:ffff8880b8d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6016427dac CR3: 0000000057349000 CR4: 00000000003506e0
DR0: 0000200000000300 DR1: 0000200000000300 DR2: 0000200000000300
DR3: 0000200000000300 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 __phys_addr+0x1f/0x170 arch/x86/mm/physaddr.c:20
 virt_to_folio include/linux/mm.h:913 [inline]
 virt_to_slab mm/slab.h:175 [inline]
 kasan_addr_to_slab+0x15/0xc0 mm/kasan/common.c:37
 __kasan_record_aux_stack+0xf/0xc0 mm/kasan/generic.c:471
 irq_work_queue_on+0x10f/0x260 kernel/irq_work.c:140
 rcu_read_unlock_special+0x3c9/0x510 kernel/rcu/tree_plugin.h:678
 __rcu_read_unlock+0x78/0xd0 kernel/rcu/tree_plugin.h:426
 rcu_read_unlock include/linux/rcupdate.h:823 [inline]
 __perf_event_output kernel/events/core.c:7751 [inline]
 perf_event_output_forward+0x271/0x2f0 kernel/events/core.c:7760
 __perf_event_overflow+0x457/0x630 kernel/events/core.c:9506
 perf_swevent_overflow kernel/events/core.c:9589 [inline]
 perf_swevent_event+0x315/0x570 kernel/events/core.c:9640
 perf_tp_event+0x36b/0xc10 kernel/events/core.c:10074
 perf_trace_run_bpf_submit+0xf3/0x1c0 kernel/events/core.c:10042
 perf_trace_preemptirq_template+0x268/0x320 include/trace/events/preemptirq.h:14
 trace_irq_enable_rcuidle+0xd3/0x140 include/trace/events/preemptirq.h:40
 trace_hardirqs_on+0x24/0x40 kernel/trace/trace_preemptirq.c:44
 asm_sysvec_irq_work+0x16/0x20 arch/x86/include/asm/idtentry.h:728
RIP: 0010:rcu_read_unlock_special+0x7f/0x510 kernel/rcu/tree_plugin.h:685
Code: eb 03 48 b8 f1 f1 f1 f1 f8 f2 f2 f2 4a 89 04 2b 42 c7 44 2b 08 f8 f3 f3 f3 65 44 8b 35 d2 68 95 7e 41 f7 c6 00 00 f0 00 74 40 <48> c7 44 24 40 0e 36 e0 45 4a c7 04 2b 00 00 00 00 42 c7 44 2b 08
RSP: 0018:ffffc900001e0ae0 EFLAGS: 00000206
RAX: 67431a1f47570d00 RBX: 1ffff9200003c164 RCX: 67431a1f47570d00
RDX: dffffc0000000000 RSI: ffffffff8aac19a0 RDI: ffffffff8aff71e0
RBP: ffffc900001e0bd0 R08: ffffffff91b70247 R09: 1ffffffff236e048
R10: dffffc0000000000 R11: fffffbfff236e049 R12: 0000000000000246
R13: dffffc0000000000 R14: ffff8880b8d3bb00 R15: 0000000000000002
 __rcu_read_unlock+0x78/0xd0 kernel/rcu/tree_plugin.h:426
 rcu_read_unlock include/linux/rcupdate.h:823 [inline]
 ieee80211_iterate_active_interfaces_atomic+0x156/0x170 net/mac80211/util.c:826
 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:console_trylock kernel/printk/printk.c:2656 [inline]
RIP: 0010:console_trylock_spinning kernel/printk/printk.c:1896 [inline]
RIP: 0010:vprintk_emit+0x358/0x6a0 kernel/printk/printk.c:2302
Code: c9 fc ff 48 83 c4 08 f6 05 24 3e 64 16 01 0f 84 a8 00 00 00 f3 90 f6 05 15 3e 64 16 01 0f 84 a0 00 00 00 e8 6a 10 1b 00 eb ea <e8> 63 10 1b 00 c6 05 dc 3c 64 16 01 e9 3e 01 00 00 e8 52 10 1b 00
RSP: 0018:ffffc90005d6ec40 EFLAGS: 00000297
RAX: ffffffff816734b0 RBX: ffffffff8a2fa74a RCX: 0000000000000002
RDX: ffff8880262a8000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90005d6ed30 R08: dffffc0000000000 R09: 1ffffffff236e048
R10: dffffc0000000000 R11: fffffbfff236e049 R12: dffffc0000000000
R13: 1ffff92000badd8c R14: 0000000000000000 R15: 000000000000004e
 _printk+0xda/0x130 kernel/printk/printk.c:2328
 __nla_validate_parse+0x20c1/0x2970 lib/nlattr.c:625
 __nla_parse+0x3c/0x50 lib/nlattr.c:710
 __nlmsg_parse include/net/netlink.h:744 [inline]
 nlmsg_parse_deprecated include/net/netlink.h:785 [inline]
 inet_rtm_valid_getroute_req net/ipv4/route.c:3241 [inline]
 inet_rtm_getroute+0x361/0x2730 net/ipv4/route.c:3315
 rtnetlink_rcv_msg+0x8b2/0xfb0 net/core/rtnetlink.c:6157
 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: 0033:0x7f9a91d9f559
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:00007f9a92c67028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f9a92025fa0 RCX: 00007f9a91d9f559
RDX: 0000000004000000 RSI: 0000200000000600 RDI: 0000000000000008
RBP: 00007f9a91e36b20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f9a92026038 R14: 00007f9a92025fa0 R15: 00007ffc2315bff8
 </TASK>
rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 10660 jiffies s: 365253 root: 0x2/.
rcu: blocking rcu_node structures (internal RCU debug):
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 15874 Comm: syz.3.14923 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026
RIP: 0010:hlock_class kernel/locking/lockdep.c:-1 [inline]
RIP: 0010:__lock_acquire+0x114b/0x7ea0 kernel/locking/lockdep.c:5167
Code: 7c 24 68 00 0f 84 f8 01 00 00 48 8b 84 24 98 00 00 00 48 8d 58 f8 48 89 d8 48 c1 e8 03 42 0f b6 04 00 84 c0 0f 85 0b 10 00 00 <8b> 03 89 c3 81 e3 ff 1f 00 00 c1 e8 03 25 f8 03 00 00 48 8d b8 40
RSP: 0018:ffffc900001dfe60 EFLAGS: 00000046
RAX: 0000000000000000 RBX: ffff8880262a8b50 RCX: 0000000056cd192f
RDX: 000000007dc6eab6 RSI: 0000000081f2c914 RDI: ffffffff91b70240
RBP: ffffc900001e00a8 R08: dffffc0000000000 R09: 1ffffffff236e048
R10: dffffc0000000000 R11: fffffbfff236e049 R12: 00000000cba21e19
R13: ffff8880262a8000 R14: 00000000df603eff R15: ffff8880262a8b78
FS:  00007f9a92c676c0(0000) GS:ffff8880b8d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6016427dac CR3: 0000000057349000 CR4: 00000000003506e0
DR0: 0000200000000300 DR1: 0000200000000300 DR2: 0000200000000300
DR3: 0000200000000300 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 lock_acquire+0x1bc/0x4a0 kernel/locking/lockdep.c:5790
 rcu_lock_acquire include/linux/rcupdate.h:350 [inline]
 rcu_read_lock_sched include/linux/rcupdate.h:883 [inline]
 pfn_valid include/linux/mmzone.h:1857 [inline]
 __virt_addr_valid+0x1a5/0x540 arch/x86/mm/physaddr.c:65
 kasan_addr_to_slab+0x9/0xc0 mm/kasan/common.c:36
 __kasan_record_aux_stack+0xf/0xc0 mm/kasan/generic.c:471
 irq_work_queue_on+0x10f/0x260 kernel/irq_work.c:140
 rcu_read_unlock_special+0x3c9/0x510 kernel/rcu/tree_plugin.h:678
 __rcu_read_unlock+0x78/0xd0 kernel/rcu/tree_plugin.h:426
 rcu_read_unlock include/linux/rcupdate.h:823 [inline]
 __perf_event_output kernel/events/core.c:7751 [inline]
 perf_event_output_forward+0x271/0x2f0 kernel/events/core.c:7760
 __perf_event_overflow+0x457/0x630 kernel/events/core.c:9506
 perf_swevent_overflow kernel/events/core.c:9589 [inline]
 perf_swevent_event+0x315/0x570 kernel/events/core.c:9640
 perf_tp_event+0x36b/0xc10 kernel/events/core.c:10074
 perf_trace_run_bpf_submit+0xf3/0x1c0 kernel/events/core.c:10042
 perf_trace_preemptirq_template+0x268/0x320 include/trace/events/preemptirq.h:14
 trace_irq_enable_rcuidle+0xd3/0x140 include/trace/events/preemptirq.h:40
 trace_hardirqs_on+0x24/0x40 kernel/trace/trace_preemptirq.c:44
 asm_sysvec_irq_work+0x16/0x20 arch/x86/include/asm/idtentry.h:728
RIP: 0010:rcu_read_unlock_special+0x7f/0x510 kernel/rcu/tree_plugin.h:685
Code: eb 03 48 b8 f1 f1 f1 f1 f8 f2 f2 f2 4a 89 04 2b 42 c7 44 2b 08 f8 f3 f3 f3 65 44 8b 35 d2 68 95 7e 41 f7 c6 00 00 f0 00 74 40 <48> c7 44 24 40 0e 36 e0 45 4a c7 04 2b 00 00 00 00 42 c7 44 2b 08
RSP: 0018:ffffc900001e0ae0 EFLAGS: 00000206
RAX: 67431a1f47570d00 RBX: 1ffff9200003c164 RCX: 67431a1f47570d00
RDX: dffffc0000000000 RSI: ffffffff8aac19a0 RDI: ffffffff8aff71e0
RBP: ffffc900001e0bd0 R08: ffffffff91b70247 R09: 1ffffffff236e048
R10: dffffc0000000000 R11: fffffbfff236e049 R12: 0000000000000246
R13: dffffc0000000000 R14: ffff8880b8d3bb00 R15: 0000000000000002
 __rcu_read_unlock+0x78/0xd0 kernel/rcu/tree_plugin.h:426
 rcu_read_unlock include/linux/rcupdate.h:823 [inline]
 ieee80211_iterate_active_interfaces_atomic+0x156/0x170 net/mac80211/util.c:826
 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:console_trylock kernel/printk/printk.c:2656 [inline]
RIP: 0010:console_trylock_spinning kernel/printk/printk.c:1896 [inline]
RIP: 0010:vprintk_emit+0x358/0x6a0 kernel/printk/printk.c:2302
Code: c9 fc ff 48 83 c4 08 f6 05 24 3e 64 16 01 0f 84 a8 00 00 00 f3 90 f6 05 15 3e 64 16 01 0f 84 a0 00 00 00 e8 6a 10 1b 00 eb ea <e8> 63 10 1b 00 c6 05 dc 3c 64 16 01 e9 3e 01 00 00 e8 52 10 1b 00
RSP: 0018:ffffc90005d6ec40 EFLAGS: 00000297
RAX: ffffffff816734b0 RBX: ffffffff8a2fa74a RCX: 0000000000000002
RDX: ffff8880262a8000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90005d6ed30 R08: dffffc0000000000 R09: 1ffffffff236e048
R10: dffffc0000000000 R11: fffffbfff236e049 R12: dffffc0000000000
R13: 1ffff92000badd8c R14: 0000000000000000 R15: 000000000000004e
 _printk+0xda/0x130 kernel/printk/printk.c:2328
 __nla_validate_parse+0x20c1/0x2970 lib/nlattr.c:625
 __nla_parse+0x3c/0x50 lib/nlattr.c:710
 __nlmsg_parse include/net/netlink.h:744 [inline]
 nlmsg_parse_deprecated include/net/netlink.h:785 [inline]
 inet_rtm_valid_getroute_req net/ipv4/route.c:3241 [inline]
 inet_rtm_getroute+0x361/0x2730 net/ipv4/route.c:3315
 rtnetlink_rcv_msg+0x8b2/0xfb0 net/core/rtnetlink.c:6157
 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: 0033:0x7f9a91d9f559
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:00007f9a92c67028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f9a92025fa0 RCX: 00007f9a91d9f559
RDX: 0000000004000000 RSI: 0000200000000600 RDI: 0000000000000008
RBP: 00007f9a91e36b20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f9a92026038 R14: 00007f9a92025fa0 R15: 00007ffc2315bff8
 </TASK>
NMI backtrace for cpu 1
CPU: 1 PID: 15874 Comm: syz.3.14923 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026
RIP: 0010:local_clock+0x0/0x20 include/linux/sched/clock.h:83
Code: 80 c1 03 38 c1 0f 8c d4 fe ff ff 48 c7 c7 a4 14 23 8f e8 d3 3d 2d 00 e9 c3 fe ff ff 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 <e8> db e1 db ff 65 8b 3d f4 b4 5b 7e e9 7f 84 ba ff 66 2e 0f 1f 84
RSP: 0018:ffffc900001e0288 EFLAGS: 00000046
RAX: 1ffff110063dbfa4 RBX: 0000000000000008 RCX: ffff8880262a8000
RDX: 0000000000000100 RSI: 0000000000000004 RDI: 0000000000000000
RBP: ffffc900001e06c0 R08: ffffc900001e0457 R09: ffffc900001e0420
R10: dffffc0000000000 R11: fffff5200003c08b R12: ffff888031edfd20
R13: dffffc0000000000 R14: 00000000000e2004 R15: ffff888031edf800
FS:  00007f9a92c676c0(0000) GS:ffff8880b8d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6016427dac CR3: 0000000057349000 CR4: 00000000003506e0
DR0: 0000200000000300 DR1: 0000200000000300 DR2: 0000200000000300
DR3: 0000200000000300 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 perf_event_clock kernel/events/core.c:592 [inline]
 __perf_event_header__init_id+0x2da/0x530 kernel/events/core.c:7030
 perf_prepare_sample+0x18b/0x2020 kernel/events/core.c:7546
 __perf_event_output kernel/events/core.c:7740 [inline]
 perf_event_output_forward+0x197/0x2f0 kernel/events/core.c:7760
 __perf_event_overflow+0x457/0x630 kernel/events/core.c:9506
 perf_swevent_overflow kernel/events/core.c:9589 [inline]
 perf_swevent_event+0x315/0x570 kernel/events/core.c:9640
 perf_tp_event+0x36b/0xc10 kernel/events/core.c:10074
 perf_trace_run_bpf_submit+0xf3/0x1c0 kernel/events/core.c:10042
 perf_trace_preemptirq_template+0x268/0x320 include/trace/events/preemptirq.h:14
 trace_irq_enable_rcuidle+0xd3/0x140 include/trace/events/preemptirq.h:40
 trace_hardirqs_on+0x24/0x40 kernel/trace/trace_preemptirq.c:44
 asm_sysvec_irq_work+0x16/0x20 arch/x86/include/asm/idtentry.h:728
RIP: 0010:rcu_read_unlock_special+0x7f/0x510 kernel/rcu/tree_plugin.h:685
Code: eb 03 48 b8 f1 f1 f1 f1 f8 f2 f2 f2 4a 89 04 2b 42 c7 44 2b 08 f8 f3 f3 f3 65 44 8b 35 d2 68 95 7e 41 f7 c6 00 00 f0 00 74 40 <48> c7 44 24 40 0e 36 e0 45 4a c7 04 2b 00 00 00 00 42 c7 44 2b 08
RSP: 0018:ffffc900001e0ae0 EFLAGS: 00000206
RAX: 67431a1f47570d00 RBX: 1ffff9200003c164 RCX: 67431a1f47570d00
RDX: dffffc0000000000 RSI: ffffffff8aac19a0 RDI: ffffffff8aff71e0
RBP: ffffc900001e0bd0 R08: ffffffff91b70247 R09: 1ffffffff236e048
R10: dffffc0000000000 R11: fffffbfff236e049 R12: 0000000000000246
R13: dffffc0000000000 R14: ffff8880b8d3bb00 R15: 0000000000000002
 __rcu_read_unlock+0x78/0xd0 kernel/rcu/tree_plugin.h:426
 rcu_read_unlock include/linux/rcupdate.h:823 [inline]
 ieee80211_iterate_active_interfaces_atomic+0x156/0x170 net/mac80211/util.c:826
 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:console_trylock kernel/printk/printk.c:2656 [inline]
RIP: 0010:console_trylock_spinning kernel/printk/printk.c:1896 [inline]
RIP: 0010:vprintk_emit+0x358/0x6a0 kernel/printk/printk.c:2302
Code: c9 fc ff 48 83 c4 08 f6 05 24 3e 64 16 01 0f 84 a8 00 00 00 f3 90 f6 05 15 3e 64 16 01 0f 84 a0 00 00 00 e8 6a 10 1b 00 eb ea <e8> 63 10 1b 00 c6 05 dc 3c 64 16 01 e9 3e 01 00 00 e8 52 10 1b 00
RSP: 0018:ffffc90005d6ec40 EFLAGS: 00000297
RAX: ffffffff816734b0 RBX: ffffffff8a2fa74a RCX: 0000000000000002
RDX: ffff8880262a8000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90005d6ed30 R08: dffffc0000000000 R09: 1ffffffff236e048
R10: dffffc0000000000 R11: fffffbfff236e049 R12: dffffc0000000000
R13: 1ffff92000badd8c R14: 0000000000000000 R15: 000000000000004e
 _printk+0xda/0x130 kernel/printk/printk.c:2328
 __nla_validate_parse+0x20c1/0x2970 lib/nlattr.c:625
 __nla_parse+0x3c/0x50 lib/nlattr.c:710
 __nlmsg_parse include/net/netlink.h:744 [inline]
 nlmsg_parse_deprecated include/net/netlink.h:785 [inline]
 inet_rtm_valid_getroute_req net/ipv4/route.c:3241 [inline]
 inet_rtm_getroute+0x361/0x2730 net/ipv4/route.c:3315
 rtnetlink_rcv_msg+0x8b2/0xfb0 net/core/rtnetlink.c:6157
 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: 0033:0x7f9a91d9f559
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:00007f9a92c67028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f9a92025fa0 RCX: 00007f9a91d9f559
RDX: 0000000004000000 RSI: 0000200000000600 RDI: 0000000000000008
RBP: 00007f9a91e36b20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f9a92026038 R14: 00007f9a92025fa0 R15: 00007ffc2315bff8
 </TASK>