rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	0-....: (1 GPs behind) idle=0bf/1/0x4000000000000002 softirq=27345/27347 fqs=2100 
	(detected by 1, t=10506 jiffies, g=38073, q=1035)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 10981 Comm: dhcpcd-run-hook Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:preempt_count_add+0x3e/0x190 kernel/sched/core.c:5512
Code: 0c 96 48 c1 e8 03 42 0f b6 04 38 84 c0 0f 85 eb 00 00 00 83 3d 02 bf ba 14 00 75 07 65 8b 05 41 ff b0 7e 65 01 3d 3a ff b0 7e <48> c7 c0 80 2f 0c 96 48 c1 e8 03 42 0f b6 04 38 84 c0 0f 85 e6 00
RSP: 0018:ffffc90004a56c88 EFLAGS: 00000006
RAX: 0000000000000002 RBX: ffff8880b903b1f0 RCX: ffffffff960c2f03
RDX: ffffea0000000000 RSI: 0000000000000000 RDI: 0000000000000001
RBP: 0000000000000000 R08: dffffc0000000000 R09: ffffed1017207640
R10: ffffed1017207640 R11: 1ffff1101720763f R12: 0000000000000000
R13: dffffc0000000001 R14: 0000000000000000 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32223ffc CR3: 0000000065c13000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <TASK>
 irq_work_queue_on+0xfb/0x220 kernel/irq_work.c:103
 rcu_read_unlock_special+0x379/0x480 kernel/rcu/tree_plugin.h:667
 __rcu_read_unlock+0x78/0xd0 kernel/rcu/tree_plugin.h:422
 rcu_read_unlock include/linux/rcupdate.h:771 [inline]
 __perf_event_output kernel/events/core.c:7813 [inline]
 perf_event_output_forward+0x216/0x280 kernel/events/core.c:7822
 __perf_event_overflow+0x364/0x530 kernel/events/core.c:9515
 perf_tp_event+0x32c/0xb50 kernel/events/core.c:10047
 perf_trace_run_bpf_submit+0xf3/0x1c0 kernel/events/core.c:10021
 perf_trace_preemptirq_template+0x2be/0x380 include/trace/events/preemptirq.h:14
 trace_irq_enable_rcuidle+0x108/0x180 include/trace/events/preemptirq.h:40
 trace_hardirqs_on+0x57/0x80 kernel/trace/trace_preemptirq.c:44
 asm_sysvec_irq_work+0x16/0x20 arch/x86/include/asm/idtentry.h:713
RIP: 0010:rcu_read_unlock_special+0x84/0x480 kernel/rcu/tree_plugin.h:674
Code: f1 f1 f1 00 f2 f2 f2 4a 89 04 2b 66 42 c7 44 2b 09 f3 f3 42 c6 44 2b 0b f3 65 44 8b 35 ad 13 9e 7e 41 f7 c6 00 00 f0 00 74 45 <48> c7 44 24 20 0e 36 e0 45 4a c7 04 2b 00 00 00 00 66 42 c7 44 2b
RSP: 0018:ffffc90004a57460 EFLAGS: 00000206
RAX: d8cce303ebb95a00 RBX: 1ffff9200094ae90 RCX: d8cce303ebb95a00
RDX: dffffc0000000000 RSI: ffffffff8a0b1820 RDI: ffffffff8a59a480
RBP: ffffc90004a57530 R08: dffffc0000000000 R09: fffffbfff1ff7819
R10: fffffbfff1ff7819 R11: 1ffffffff1ff7818 R12: ffffffff8c120b00
R13: dffffc0000000000 R14: 0000000000000246 R15: 0000000000000001
 __rcu_read_unlock+0x78/0xd0 kernel/rcu/tree_plugin.h:422
 rcu_read_unlock include/linux/rcupdate.h:771 [inline]
 __unlock_page_memcg+0xea/0x100 mm/memcontrol.c:2093
 zap_pte_range mm/memory.c:1384 [inline]
 zap_pmd_range mm/memory.c:1505 [inline]
 zap_pud_range mm/memory.c:1534 [inline]
 zap_p4d_range mm/memory.c:1555 [inline]
 unmap_page_range+0xfbc/0x2520 mm/memory.c:1576
 unmap_vmas+0x11b/0x230 mm/memory.c:1653
 exit_mmap+0x38f/0x5f0 mm/mmap.c:3216
 __mmput+0x115/0x3b0 kernel/fork.c:1127
 exec_mmap+0x4d1/0x5c0 fs/exec.c:1035
 begin_new_exec+0x7e8/0x1160 fs/exec.c:1293
 load_elf_binary+0x98e/0x2890 fs/binfmt_elf.c:1001
 search_binary_handler fs/exec.c:1742 [inline]
 exec_binprm fs/exec.c:1783 [inline]
 bprm_execve+0xa92/0x17d0 fs/exec.c:1852
 do_execveat_common+0x51e/0x6d0 fs/exec.c:1957
 do_execve fs/exec.c:2027 [inline]
 __do_sys_execve fs/exec.c:2103 [inline]
 __se_sys_execve fs/exec.c:2098 [inline]
 __x64_sys_execve+0x8e/0xa0 fs/exec.c:2098
 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: 0033:0x7f96f9bf0107
Code: Unable to access opcode bytes at RIP 0x7f96f9bf00dd.
RSP: 002b:00007ffee2a845a8 EFLAGS: 00000246 ORIG_RAX: 000000000000003b
RAX: ffffffffffffffda RBX: 00005639e4b13188 RCX: 00007f96f9bf0107
RDX: 00005639e4b131b0 RSI: 00005639e4b13188 RDI: 00005639e4b13268
RBP: 00005639e4b13268 R08: 00007ffee2a89dd4 R09: 0000000000000000
R10: 0000000000000008 R11: 0000000000000246 R12: 00005639e4b131b0
R13: 00007f96f9db5e8b R14: 00005639e4b131b0 R15: 0000000000000000
 </TASK>