rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 2671 jiffies s: 17585 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: 8193 Comm: syz.0.1142 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:__nr_to_section include/linux/mmzone.h:1695 [inline]
RIP: 0010:__pfn_to_section include/linux/mmzone.h:1803 [inline]
RIP: 0010:pfn_valid include/linux/mmzone.h:1856 [inline]
RIP: 0010:__virt_addr_valid+0x11a/0x540 arch/x86/mm/physaddr.c:65
Code: 00 00 49 bc 00 00 00 00 00 fc ff df 48 c7 c0 20 10 c7 96 48 c1 e8 03 42 80 3c 20 00 74 0c 48 c7 c7 20 10 c7 96 e8 86 6c 99 00 <48> 8b 05 bf 21 8d 15 48 85 c0 74 42 48 89 d9 48 c1 e9 22 4c 8d 34
RSP: 0018:ffffc900050e6dc0 EFLAGS: 00000046
RAX: 1ffffffff2d8e204 RBX: 00000000b8f3bbf0 RCX: ffff88802d85da00
RDX: 0000000000000000 RSI: 00000000b8f3bbf0 RDI: 00003fffffffffff
RBP: 0000000000000001 R08: ffff8880b8f3bbfb R09: 1ffff110171e777f
R10: dffffc0000000000 R11: ffffed10171e7780 R12: dffffc0000000000
R13: dffffc0000000001 R14: 000000000000002e R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000077cc5000 CR4: 00000000003506e0
DR0: 0000200000000300 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <TASK>
 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:10027
 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 a2 7c 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:ffffc900050e72c0 EFLAGS: 00000206
RAX: bfaece3a0919bf00 RBX: 1ffff92000a1ce60 RCX: bfaece3a0919bf00
RDX: dffffc0000000000 RSI: ffffffff8a8c17a0 RDI: ffffffff8adf5de0
RBP: ffffc900050e73b0 R08: ffffffff90b10247 R09: 1ffffffff2162048
R10: dffffc0000000000 R11: fffffbfff2162049 R12: 0000000000000246
R13: dffffc0000000000 R14: ffff8880b8f3bb00 R15: 0000000000000002
 __rcu_read_unlock+0x78/0xd0 kernel/rcu/tree_plugin.h:426
 rcu_read_unlock include/linux/rcupdate.h:823 [inline]
 __folio_memcg_unlock+0xea/0x110 mm/memcontrol.c:2151
 page_remove_rmap+0x7f5/0xef0 mm/rmap.c:1462
 zap_pte_range mm/memory.c:1451 [inline]
 zap_pmd_range mm/memory.c:1572 [inline]
 zap_pud_range mm/memory.c:1601 [inline]
 zap_p4d_range mm/memory.c:1622 [inline]
 unmap_page_range+0x10db/0x25b0 mm/memory.c:1643
 unmap_vmas+0x260/0x390 mm/memory.c:1728
 exit_mmap+0x20d/0x970 mm/mmap.c:3250
 __mmput+0x118/0x3a0 kernel/fork.c:1206
 exit_mm+0x24d/0x350 kernel/exit.c:572
 do_exit+0x958/0x2570 kernel/exit.c:874
 do_group_exit+0x229/0x2e0 kernel/exit.c:1030
 get_signal+0x1259/0x1340 kernel/signal.c:2880
 arch_do_signal_or_restart+0xc4/0x1310 arch/x86/kernel/signal.c:871
 exit_to_user_mode_loop+0x70/0x110 kernel/entry/common.c:174
 exit_to_user_mode_prepare+0xee/0x180 kernel/entry/common.c:210
 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline]
 syscall_exit_to_user_mode+0x16/0x40 kernel/entry/common.c:303
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fe453f9e0d9
Code: Unable to access opcode bytes at 0x7fe453f9e0af.
RSP: 002b:00007fe454def028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: 0000000000000000 RBX: 00007fe454225fa0 RCX: 00007fe453f9e0d9
RDX: 0000200000000140 RSI: 0000000000008b06 RDI: 0000000000000009
RBP: 00007fe454035024 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fe454226038 R14: 00007fe454225fa0 R15: 00007ffd1a033728
 </TASK>