rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 2671 jiffies s: 5101 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: 30762 Comm: syz-executor586 Not tainted 6.1.123-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:__kasan_check_read+0x6/0x10 mm/kasan/shadow.c:31
Code: 41 5e 41 5f 5d c3 48 c7 c7 24 59 b9 8c eb 0a 48 c7 c7 5c 59 b9 8c 4c 89 fe e8 36 2b ce 08 31 db eb d7 cc cc 89 f6 48 8b 0c 24 <31> d2 e9 d3 ec ff ff 0f 1f 00 89 f6 48 8b 0c 24 ba 01 00 00 00 e9
RSP: 0018:ffffc900046f6930 EFLAGS: 00000093
RAX: ffffffff81976f48 RBX: ffff8880b8e3b8b8 RCX: ffffffff81976f59
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff8880b8e3b8b8
RBP: ffff8880b8e3b8b0 R08: ffffffff819771fa R09: fffffbfff1d360ee
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: 0000000000000000 R14: ffff8880b8e3b8b0 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555594857ce8 CR3: 00000000751ad000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <TASK>
 instrument_atomic_read include/linux/instrumented.h:72 [inline]
 atomic_read include/linux/atomic/atomic-instrumented.h:27 [inline]
 __irq_work_queue_local+0x29/0x180 kernel/irq_work.c:85
 irq_work_queue_on+0x15c/0x290 kernel/irq_work.c:165
 rcu_read_unlock_special+0x3c6/0x540 kernel/rcu/tree_plugin.h:675
 __rcu_read_unlock+0x92/0x100 kernel/rcu/tree_plugin.h:426
 rcu_read_unlock include/linux/rcupdate.h:823 [inline]
 __perf_event_output kernel/events/core.c:7717 [inline]
 perf_event_output_forward+0x2af/0x330 kernel/events/core.c:7726
 __perf_event_overflow+0x45e/0x640 kernel/events/core.c:9472
 perf_tp_event+0x35a/0xc80 kernel/events/core.c:10005
 perf_trace_run_bpf_submit+0xf7/0x1d0 kernel/events/core.c:9978
 perf_trace_preemptirq_template+0x2d1/0x3d0 include/trace/events/preemptirq.h:14
 trace_irq_enable_rcuidle+0xd5/0x140 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+0x84/0x540 kernel/rcu/tree_plugin.h:682
Code: f1 f1 f1 00 f2 f2 f2 49 89 04 17 66 41 c7 44 17 09 f3 f3 41 c6 44 17 0b f3 65 44 8b 25 bd 18 8e 7e 41 f7 c4 00 00 f0 00 74 45 <48> c7 44 24 20 0e 36 e0 45 4a c7 04 3a 00 00 00 00 66 42 c7 44 3a
RSP: 0018:ffffc900046f7160 EFLAGS: 00000206
RAX: 8b115cd278595a00 RBX: 1ffff920008dee34 RCX: ffffffff816b126a
RDX: dffffc0000000000 RSI: ffffffff8b0c0340 RDI: ffffffff8b5e6840
RBP: ffffc900046f7238 R08: dffffc0000000000 R09: fffffbfff2249e4d
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffff8d32ff00
R13: ffff888029072218 R14: ffffc900046f71a0 R15: 1ffff920008dee30
 __rcu_read_unlock+0x92/0x100 kernel/rcu/tree_plugin.h:426
 rcu_read_unlock include/linux/rcupdate.h:823 [inline]
 __folio_memcg_unlock+0xfd/0x120 mm/memcontrol.c:2148
 page_remove_rmap+0x819/0xed0 mm/rmap.c:1462
 zap_pte_range mm/memory.c:1453 [inline]
 zap_pmd_range mm/memory.c:1574 [inline]
 zap_pud_range mm/memory.c:1603 [inline]
 zap_p4d_range mm/memory.c:1624 [inline]
 unmap_page_range+0x1217/0x2740 mm/memory.c:1645
 unmap_vmas+0x48b/0x640 mm/memory.c:1730
 exit_mmap+0x249/0x980 mm/mmap.c:3238
 __mmput+0x115/0x3c0 kernel/fork.c:1200
 exit_mm+0x226/0x300 kernel/exit.c:565
 do_exit+0x9f1/0x26a0 kernel/exit.c:858
 do_group_exit+0x202/0x2b0 kernel/exit.c:1021
 get_signal+0x16f7/0x17d0 kernel/signal.c:2871
 arch_do_signal_or_restart+0xb0/0x1a10 arch/x86/kernel/signal.c:871
 exit_to_user_mode_loop+0x6a/0x100 kernel/entry/common.c:174
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:210
 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline]
 syscall_exit_to_user_mode+0x60/0x270 kernel/entry/common.c:303
 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:87
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f6428c8f599
Code: Unable to access opcode bytes at 0x7f6428c8f56f.
RSP: 002b:00007f6428c50238 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007f6428d19308 RCX: 00007f6428c8f599
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f6428d19308
RBP: 00007f6428d19300 R08: 00007f6428c506c0 R09: 00007f6428c506c0
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6428d1930c
R13: 0000000000000000 R14: 00007ffc04be5340 R15: 00007ffc04be5428
 </TASK>
INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 2.260 msecs