rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 2650 jiffies s: 174377 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: 17240 Comm: syz.7.13401 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:native_save_fl arch/x86/include/asm/irqflags.h:29 [inline]
RIP: 0010:arch_local_save_flags arch/x86/include/asm/irqflags.h:70 [inline]
RIP: 0010:arch_irqs_disabled arch/x86/include/asm/irqflags.h:130 [inline]
RIP: 0010:lock_release+0x57c/0x920 kernel/locking/lockdep.c:5685
Code: 8a e8 98 a2 c7 08 b8 ff ff ff ff 65 0f c1 05 db b1 9d 7e 83 f8 01 75 7f 43 c6 44 2f 04 00 48 c7 84 24 80 00 00 00 00 00 00 00 <9c> 8f 84 24 80 00 00 00 f7 84 24 80 00 00 00 00 02 00 00 43 c6 44
RSP: 0018:ffffc900001e00e0 EFLAGS: 00000046
RAX: 0000000000000001 RBX: 35b8b257d26317f6 RCX: 201ecaec537a7000
RDX: 0000000000000003 RSI: ffffffff8a8c23a0 RDI: ffffffff8adf0c20
RBP: ffffc900001e01f0 R08: ffffffff8e1fc32f R09: 1ffffffff1c3f865
R10: dffffc0000000000 R11: fffffbfff1c3f866 R12: ffff88801a368b58
R13: dffffc0000000000 R14: ffff88801a368ad0 R15: 1ffff9200003c028
FS:  00007f37560646c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe0a6514ff8 CR3: 0000000056f2a000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000200000000300 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 __perf_output_begin kernel/events/ring_buffer.c:263 [inline]
 perf_output_begin_forward+0x7ea/0xa80 kernel/events/ring_buffer.c:272
 __perf_event_output kernel/events/core.c:7732 [inline]
 perf_event_output_forward+0x1ad/0x2f0 kernel/events/core.c:7750
 __perf_event_overflow+0x448/0x610 kernel/events/core.c:9496
 perf_tp_event+0x38c/0xc00 kernel/events/core.c:10029
 perf_trace_run_bpf_submit+0xf3/0x1c0 kernel/events/core.c:10002
 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 92 30 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:ffffc900001e0980 EFLAGS: 00000206
RAX: 201ecaec537a7000 RBX: 1ffff9200003c138 RCX: 201ecaec537a7000
RDX: dffffc0000000000 RSI: ffffffff8a8c1220 RDI: ffffffff8adf0c20
RBP: ffffc900001e0a80 R08: ffffffff90af332f R09: 1ffffffff215e665
R10: dffffc0000000000 R11: fffffbfff215e666 R12: 0000000000000246
R13: dffffc0000000000 R14: ffff8880b8f3b900 R15: 0000000000000002
 __rcu_read_unlock+0x78/0xd0 kernel/rcu/tree_plugin.h:426
 rcu_read_unlock include/linux/rcupdate.h:823 [inline]
 hsr_announce+0x2ca/0x340 net/hsr/hsr_device.c:407
 call_timer_fn+0x1ac/0x670 kernel/time/timer.c:1701
 expire_timers kernel/time/timer.c:1752 [inline]
 __run_timers+0x53e/0x800 kernel/time/timer.c:2023
 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:2036
 handle_softirqs+0x2a1/0x930 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:memset+0x2b/0x40 mm/kasan/shadow.c:47
Code: 41 56 53 48 89 d3 89 f5 49 89 fe 48 8b 4c 24 18 48 89 d6 ba 01 00 00 00 e8 72 ec ff ff 84 c0 74 11 4c 89 f7 89 ee 48 89 da 5b <41> 5e 5d e9 2d 25 4d 08 31 c0 5b 41 5e 5d c3 66 0f 1f 44 00 00 41
RSP: 0018:ffffc900041c7748 EFLAGS: 00000202
RAX: ffffffff814bef01 RBX: 0000000000000000 RCX: ffffffff814bef75
RDX: 00000000000000c0 RSI: 0000000000000000 RDI: ffffc900041c7980
RBP: 0000000000000000 R08: ffffc900041c7a3f R09: 1ffff92000838f47
R10: dffffc0000000000 R11: fffff52000838f48 R12: ffffc900049bf048
R13: 0000000000000000 R14: ffffc900041c7980 R15: 0000000000000000
 do_jit arch/x86/net/bpf_jit_comp.c:1006 [inline]
 bpf_int_jit_compile+0x9e5/0xd140 arch/x86/net/bpf_jit_comp.c:2516
 bpf_prog_select_runtime+0x48b/0x7d0 kernel/bpf/core.c:2255
 bpf_prog_load+0x1045/0x1560 kernel/bpf/syscall.c:2655
 __sys_bpf+0x5b8/0x780 kernel/bpf/syscall.c:5030
 __do_sys_bpf kernel/bpf/syscall.c:5134 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5132 [inline]
 __x64_sys_bpf+0x78/0x90 kernel/bpf/syscall.c:5132
 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: 0033:0x7f375519aeb9
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:00007f3756064028 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f3755415fa0 RCX: 00007f375519aeb9
RDX: 0000000000000090 RSI: 00002000000000c0 RDI: 0000000000000005
RBP: 00007f3755208c1f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f3755416038 R14: 00007f3755415fa0 R15: 00007ffcd3dbe688
 </TASK>