rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 2671 jiffies s: 125241 root: 0x1/.
rcu: blocking rcu_node structures (internal RCU debug):
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 28411 Comm: syz.1.6113 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
RIP: 0010:check_preemption_disabled+0x0/0x110 lib/smp_processor_id.c:13
Code: c7 80 9c 9c 8d 4c 89 f6 e8 bd 93 0a fa e9 6e ff ff ff 00 00 cc cc 00 00 cc cc 48 c7 c7 40 71 df 8a 48 c7 c6 80 71 df 8a eb 00 <55> 41 57 41 56 53 48 83 ec 10 65 48 8b 04 25 28 00 00 00 48 89 44
RSP: 0018:ffffc900000078a8 EFLAGS: 00000046
RAX: ffffffff81a582cd RBX: 0000000000000014 RCX: ffff888028675a00
RDX: 0000000000000100 RSI: ffffffff8adf7180 RDI: ffffffff8adf7140
RBP: ffffc900000079e8 R08: ffff8880b8c357cb R09: 1ffff11017186af9
R10: dffffc0000000000 R11: ffffed1017186afa R12: ffffffff8d9800e0
R13: dffffc0000000000 R14: ffffc90000007960 R15: ffffc90000007980
FS:  00007f0cccfa16c0(0000) GS:ffff8880b8c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000020000000cf3d CR3: 0000000042f9a000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000200000000300 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 perf_swevent_get_recursion_context+0x12/0x150 kernel/events/core.c:9763
 perf_trace_buf_alloc+0x54/0x300 kernel/trace/trace_event_perf.c:414
 perf_trace_preemptirq_template+0x143/0x320 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:ffffc90000007ae0 EFLAGS: 00000206
RAX: e00612300bc25500 RBX: 1ffff92000000f64 RCX: e00612300bc25500
RDX: dffffc0000000000 RSI: ffffffff8a8c19a0 RDI: ffffffff8adf71a0
RBP: ffffc90000007bd0 R08: ffffffff91934247 R09: 1ffffffff2326848
R10: dffffc0000000000 R11: fffffbfff2326849 R12: 0000000000000246
R13: dffffc0000000000 R14: ffff8880b8c3bb00 R15: 0000000000000001
 __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_emit_next_record+0x92f/0xb50 kernel/printk/printk.c:2786
Code: 0f 85 af 00 00 00 e8 10 b0 1a 00 0f b6 5c 24 0f 4d 85 f6 75 07 e8 01 b0 1a 00 eb 06 e8 fa af 1a 00 fb 66 43 c7 44 2f 24 f8 f8 <43> c6 44 2f 26 f8 48 b8 f8 f2 f2 f2 f8 f8 f8 f8 48 05 00 06 06 06
RSP: 0018:ffffc90003796fa0 EFLAGS: 00000293
RAX: ffffffff81679686 RBX: 0000000000000001 RCX: ffff888028675a00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc900037971c0 R08: ffffffff91934247 R09: 1ffffffff2326848
R10: dffffc0000000000 R11: fffffbfff2326849 R12: 1ffff920006f2e3f
R13: dffffc0000000000 R14: 0000000000000200 R15: 1ffff920006f2e00
 console_flush_all kernel/printk/printk.c:-1 [inline]
 console_unlock+0x223/0x630 kernel/printk/printk.c:2906
 vprintk_emit+0x4b3/0x6a0 kernel/printk/printk.c:2303
 _printk+0xda/0x130 kernel/printk/printk.c:2328
 ovs_ct_limit_del_zone_limit net/openvswitch/conntrack.c:2075 [inline]
 ovs_ct_limit_cmd_del+0x4d6/0x880 net/openvswitch/conntrack.c:2241
 genl_family_rcv_msg_doit+0x22f/0x350 net/netlink/genetlink.c:756
 genl_family_rcv_msg net/netlink/genetlink.c:833 [inline]
 genl_rcv_msg+0x601/0x790 net/netlink/genetlink.c:850
 netlink_rcv_skb+0x1ef/0x440 net/netlink/af_netlink.c:2516
 genl_rcv+0x24/0x40 net/netlink/genetlink.c:861
 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: 0033:0x7f0ccc19e1d9
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:00007f0cccfa1028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f0ccc426270 RCX: 00007f0ccc19e1d9
RDX: 0000000000000000 RSI: 0000200000000640 RDI: 000000000000000b
RBP: 00007f0ccc235888 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f0ccc426308 R14: 00007f0ccc426270 R15: 00007ffd2288a268
 </TASK>
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	0-....: (1 ticks this GP) idle=c66c/1/0x4000000000000002 softirq=99858/99858 fqs=2100
	(detected by 1, t=10503 jiffies, g=143933, q=2160 ncpus=2)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 28411 Comm: syz.1.6113 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
RIP: 0010:irq_work_run+0x294/0x2f0 kernel/irq_work.c:256
Code: ff 48 c7 04 24 0e 36 e0 45 4b c7 04 3c 00 00 00 00 43 c7 44 3c 08 00 00 00 00 65 48 8b 04 25 28 00 00 00 48 3b 44 24 68 75 3f <48> 8d 65 e0 5b 41 5c 41 5e 41 5f 5d c3 e8 ba 99 f3 ff 48 c7 c7 c0
RSP: 0018:ffffc90000007940 EFLAGS: 00000046
RAX: e00612300bc25500 RBX: ffff8880b8c340c0 RCX: ffff888028675a00
RDX: 0000000000010100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc900000079f0 R08: ffff8880b8c3bbbb R09: 1ffff11017187777
R10: dffffc0000000000 R11: ffffed1017187778 R12: 1ffff92000000f28
R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
FS:  00007f0cccfa16c0(0000) GS:ffff8880b8c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000020000000cf3d CR3: 0000000042f9a000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000200000000300 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 __sysvec_irq_work+0xba/0x350 arch/x86/kernel/irq_work.c:22
 instr_sysvec_irq_work arch/x86/kernel/irq_work.c:17 [inline]
 sysvec_irq_work+0x4a/0xc0 arch/x86/kernel/irq_work.c:17
 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:ffffc90000007ae0 EFLAGS: 00000206
RAX: e00612300bc25500 RBX: 1ffff92000000f64 RCX: e00612300bc25500
RDX: dffffc0000000000 RSI: ffffffff8a8c19a0 RDI: ffffffff8adf71a0
RBP: ffffc90000007bd0 R08: ffffffff91934247 R09: 1ffffffff2326848
R10: dffffc0000000000 R11: fffffbfff2326849 R12: 0000000000000246
R13: dffffc0000000000 R14: ffff8880b8c3bb00 R15: 0000000000000001
 __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_emit_next_record+0x92f/0xb50 kernel/printk/printk.c:2786
Code: 0f 85 af 00 00 00 e8 10 b0 1a 00 0f b6 5c 24 0f 4d 85 f6 75 07 e8 01 b0 1a 00 eb 06 e8 fa af 1a 00 fb 66 43 c7 44 2f 24 f8 f8 <43> c6 44 2f 26 f8 48 b8 f8 f2 f2 f2 f8 f8 f8 f8 48 05 00 06 06 06
RSP: 0018:ffffc90003796fa0 EFLAGS: 00000293
RAX: ffffffff81679686 RBX: 0000000000000001 RCX: ffff888028675a00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc900037971c0 R08: ffffffff91934247 R09: 1ffffffff2326848
R10: dffffc0000000000 R11: fffffbfff2326849 R12: 1ffff920006f2e3f
R13: dffffc0000000000 R14: 0000000000000200 R15: 1ffff920006f2e00
 console_flush_all kernel/printk/printk.c:-1 [inline]
 console_unlock+0x223/0x630 kernel/printk/printk.c:2906
 vprintk_emit+0x4b3/0x6a0 kernel/printk/printk.c:2303
 _printk+0xda/0x130 kernel/printk/printk.c:2328
 ovs_ct_limit_del_zone_limit net/openvswitch/conntrack.c:2075 [inline]
 ovs_ct_limit_cmd_del+0x4d6/0x880 net/openvswitch/conntrack.c:2241
 genl_family_rcv_msg_doit+0x22f/0x350 net/netlink/genetlink.c:756
 genl_family_rcv_msg net/netlink/genetlink.c:833 [inline]
 genl_rcv_msg+0x601/0x790 net/netlink/genetlink.c:850
 netlink_rcv_skb+0x1ef/0x440 net/netlink/af_netlink.c:2516
 genl_rcv+0x24/0x40 net/netlink/genetlink.c:861
 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: 0033:0x7f0ccc19e1d9
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:00007f0cccfa1028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f0ccc426270 RCX: 00007f0ccc19e1d9
RDX: 0000000000000000 RSI: 0000200000000640 RDI: 000000000000000b
RBP: 00007f0ccc235888 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f0ccc426308 R14: 00007f0ccc426270 R15: 00007ffd2288a268
 </TASK>
rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 10991 jiffies s: 125241 root: 0x1/.
rcu: blocking rcu_node structures (internal RCU debug):
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 28411 Comm: syz.1.6113 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
RIP: 0010:hlock_class kernel/locking/lockdep.c:228 [inline]
RIP: 0010:check_wait_context kernel/locking/lockdep.c:4826 [inline]
RIP: 0010:__lock_acquire+0xa51/0x7ea0 kernel/locking/lockdep.c:5121
Code: 89 c6 41 81 e6 ff 1f 00 00 c1 e8 03 25 f8 03 00 00 48 8d b8 40 42 93 91 be 08 00 00 00 e8 b7 94 6f 00 4c 0f a3 35 ef 32 2f 10 <73> 1a 49 69 c6 d0 00 00 00 4c 8d b0 00 c1 29 91 49 b8 00 00 00 00
RSP: 0018:ffffc90000007240 EFLAGS: 00000057
RAX: 0000000000000001 RBX: 0000000000000003 RCX: ffffffff81640f49
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff91934240
RBP: ffffc90000007488 R08: ffffffff91934247 R09: 1ffffffff2326848
R10: dffffc0000000000 R11: fffffbfff2326849 R12: 0000000000000002
R13: ffff888028676578 R14: 000000000000002d R15: ffff888028676578
FS:  00007f0cccfa16c0(0000) GS:ffff8880b8c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000020000000cf3d CR3: 0000000042f9a000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000200000000300 DR2: 0000000000000000
DR3: 0000000000000000 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]
 trace_call_bpf+0x5bb/0x6b0 kernel/trace/bpf_trace.c:137
 perf_trace_run_bpf_submit+0x79/0x1c0 kernel/events/core.c:10037
 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:ffffc90000007ae0 EFLAGS: 00000206
RAX: e00612300bc25500 RBX: 1ffff92000000f64 RCX: e00612300bc25500
RDX: dffffc0000000000 RSI: ffffffff8a8c19a0 RDI: ffffffff8adf71a0
RBP: ffffc90000007bd0 R08: ffffffff91934247 R09: 1ffffffff2326848
R10: dffffc0000000000 R11: fffffbfff2326849 R12: 0000000000000246
R13: dffffc0000000000 R14: ffff8880b8c3bb00 R15: 0000000000000001
 __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_emit_next_record+0x92f/0xb50 kernel/printk/printk.c:2786
Code: 0f 85 af 00 00 00 e8 10 b0 1a 00 0f b6 5c 24 0f 4d 85 f6 75 07 e8 01 b0 1a 00 eb 06 e8 fa af 1a 00 fb 66 43 c7 44 2f 24 f8 f8 <43> c6 44 2f 26 f8 48 b8 f8 f2 f2 f2 f8 f8 f8 f8 48 05 00 06 06 06
RSP: 0018:ffffc90003796fa0 EFLAGS: 00000293
RAX: ffffffff81679686 RBX: 0000000000000001 RCX: ffff888028675a00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc900037971c0 R08: ffffffff91934247 R09: 1ffffffff2326848
R10: dffffc0000000000 R11: fffffbfff2326849 R12: 1ffff920006f2e3f
R13: dffffc0000000000 R14: 0000000000000200 R15: 1ffff920006f2e00
 console_flush_all kernel/printk/printk.c:-1 [inline]
 console_unlock+0x223/0x630 kernel/printk/printk.c:2906
 vprintk_emit+0x4b3/0x6a0 kernel/printk/printk.c:2303
 _printk+0xda/0x130 kernel/printk/printk.c:2328
 ovs_ct_limit_del_zone_limit net/openvswitch/conntrack.c:2075 [inline]
 ovs_ct_limit_cmd_del+0x4d6/0x880 net/openvswitch/conntrack.c:2241
 genl_family_rcv_msg_doit+0x22f/0x350 net/netlink/genetlink.c:756
 genl_family_rcv_msg net/netlink/genetlink.c:833 [inline]
 genl_rcv_msg+0x601/0x790 net/netlink/genetlink.c:850
 netlink_rcv_skb+0x1ef/0x440 net/netlink/af_netlink.c:2516
 genl_rcv+0x24/0x40 net/netlink/genetlink.c:861
 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: 0033:0x7f0ccc19e1d9
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:00007f0cccfa1028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f0ccc426270 RCX: 00007f0ccc19e1d9
RDX: 0000000000000000 RSI: 0000200000000640 RDI: 000000000000000b
RBP: 00007f0ccc235888 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f0ccc426308 R14: 00007f0ccc426270 R15: 00007ffd2288a268
 </TASK>
NMI backtrace for cpu 0
CPU: 0 PID: 28411 Comm: syz.1.6113 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
RIP: 0010:hlock_class kernel/locking/lockdep.c:228 [inline]
RIP: 0010:mark_lock+0x9c/0x320 kernel/locking/lockdep.c:4684
Code: 89 c7 41 81 e7 ff 1f 00 00 c1 e8 03 25 f8 03 00 00 48 8d b8 40 42 93 91 be 08 00 00 00 e8 4c e5 6e 00 4c 0f a3 3d 84 83 2e 10 <73> 10 49 69 c7 d0 00 00 00 4c 8d b8 00 c1 29 91 eb 24 48 c7 c0 40
RSP: 0018:ffffc900000073e0 EFLAGS: 00000057
RAX: 0000000000000001 RBX: ffff888028675a00 RCX: ffffffff8164beb4
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff91934240
RBP: 0000000000000009 R08: ffffffff91934247 R09: 1ffffffff2326848
R10: dffffc0000000000 R11: fffffbfff2326849 R12: 0000000000000200
R13: dffffc0000000000 R14: ffff888028676558 R15: 000000000000002d
FS:  00007f0cccfa16c0(0000) GS:ffff8880b8c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000020000000cf3d CR3: 0000000042f9a000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000200000000300 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 mark_usage kernel/locking/lockdep.c:4627 [inline]
 __lock_acquire+0xe35/0x7ea0 kernel/locking/lockdep.c:5125
 lock_acquire+0x1bc/0x4a0 kernel/locking/lockdep.c:5790
 rcu_lock_acquire include/linux/rcupdate.h:350 [inline]
 rcu_read_lock include/linux/rcupdate.h:791 [inline]
 trace_call_bpf+0xe0/0x6b0 kernel/trace/bpf_trace.c:134
 perf_trace_run_bpf_submit+0x79/0x1c0 kernel/events/core.c:10037
 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:ffffc90000007ae0 EFLAGS: 00000206
RAX: e00612300bc25500 RBX: 1ffff92000000f64 RCX: e00612300bc25500
RDX: dffffc0000000000 RSI: ffffffff8a8c19a0 RDI: ffffffff8adf71a0
RBP: ffffc90000007bd0 R08: ffffffff91934247 R09: 1ffffffff2326848
R10: dffffc0000000000 R11: fffffbfff2326849 R12: 0000000000000246
R13: dffffc0000000000 R14: ffff8880b8c3bb00 R15: 0000000000000001
 __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_emit_next_record+0x92f/0xb50 kernel/printk/printk.c:2786
Code: 0f 85 af 00 00 00 e8 10 b0 1a 00 0f b6 5c 24 0f 4d 85 f6 75 07 e8 01 b0 1a 00 eb 06 e8 fa af 1a 00 fb 66 43 c7 44 2f 24 f8 f8 <43> c6 44 2f 26 f8 48 b8 f8 f2 f2 f2 f8 f8 f8 f8 48 05 00 06 06 06
RSP: 0018:ffffc90003796fa0 EFLAGS: 00000293
RAX: ffffffff81679686 RBX: 0000000000000001 RCX: ffff888028675a00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc900037971c0 R08: ffffffff91934247 R09: 1ffffffff2326848
R10: dffffc0000000000 R11: fffffbfff2326849 R12: 1ffff920006f2e3f
R13: dffffc0000000000 R14: 0000000000000200 R15: 1ffff920006f2e00
 console_flush_all kernel/printk/printk.c:-1 [inline]
 console_unlock+0x223/0x630 kernel/printk/printk.c:2906
 vprintk_emit+0x4b3/0x6a0 kernel/printk/printk.c:2303
 _printk+0xda/0x130 kernel/printk/printk.c:2328
 ovs_ct_limit_del_zone_limit net/openvswitch/conntrack.c:2075 [inline]
 ovs_ct_limit_cmd_del+0x4d6/0x880 net/openvswitch/conntrack.c:2241
 genl_family_rcv_msg_doit+0x22f/0x350 net/netlink/genetlink.c:756
 genl_family_rcv_msg net/netlink/genetlink.c:833 [inline]
 genl_rcv_msg+0x601/0x790 net/netlink/genetlink.c:850
 netlink_rcv_skb+0x1ef/0x440 net/netlink/af_netlink.c:2516
 genl_rcv+0x24/0x40 net/netlink/genetlink.c:861
 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: 0033:0x7f0ccc19e1d9
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:00007f0cccfa1028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f0ccc426270 RCX: 00007f0ccc19e1d9
RDX: 0000000000000000 RSI: 0000200000000640 RDI: 000000000000000b
RBP: 00007f0ccc235888 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f0ccc426308 R14: 00007f0ccc426270 R15: 00007ffd2288a268
 </TASK>