rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 2660 jiffies s: 25577 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: 10964 Comm: syz-executor.2 Not tainted 6.1.92-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 RIP: 0010:irq_work_run+0x19d/0x350 kernel/irq_work.c:253 Code: 08 4c 89 f7 e8 f4 a3 4a 00 49 8b 1e 4c 89 f7 e8 49 fc ff ff 48 85 db 75 d2 e8 5f 24 f3 ff eb 05 e8 58 24 f3 ff e8 63 b7 f3 08 <89> c3 41 89 c7 bf 08 00 00 00 89 c6 e8 a2 27 f3 ff 83 fb 07 0f 87 RSP: 0018:ffffc900001e0900 EFLAGS: 00000086 RAX: 0000000000000001 RBX: 0000000000000000 RCX: ffff88802278d940 RDX: 0000000000010102 RSI: ffffffff8b3d45c0 RDI: ffffffff8b3d4580 RBP: ffffc900001e09d8 R08: ffffffff819766a3 R09: ffffed1017327720 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffffc900001e0960 R14: ffff8880b993b8f0 R15: ffff8880b9933fb8 FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fef1ffaad58 CR3: 000000000ce8e000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: __sysvec_irq_work+0xbb/0x360 arch/x86/kernel/irq_work.c:22 sysvec_irq_work+0x3b/0xb0 arch/x86/kernel/irq_work.c:17 asm_sysvec_irq_work+0x16/0x20 arch/x86/include/asm/idtentry.h:679 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 3d 5b 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:ffffc900001e0ac0 EFLAGS: 00000206 RAX: 1e1a8c0877d7fa00 RBX: 1ffff9200003c160 RCX: ffffffff816acf0a RDX: dffffc0000000000 RSI: ffffffff8aec01c0 RDI: ffffffff8b3d45e0 RBP: ffffc900001e0ba0 R08: dffffc0000000000 R09: fffffbfff2093845 R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffff8d12fb00 R13: ffff88802278dd98 R14: ffffc900001e0b00 R15: 1ffff9200003c15c __rcu_read_unlock+0x92/0x100 kernel/rcu/tree_plugin.h:426 rcu_read_unlock include/linux/rcupdate.h:823 [inline] ieee80211_iterate_active_interfaces_atomic+0x153/0x170 net/mac80211/util.c:826 mac80211_hwsim_beacon+0xd0/0x1e0 drivers/net/wireless/mac80211_hwsim.c:2142 __run_hrtimer kernel/time/hrtimer.c:1686 [inline] __hrtimer_run_queues+0x5e5/0xe50 kernel/time/hrtimer.c:1750 hrtimer_run_softirq+0x196/0x2c0 kernel/time/hrtimer.c:1767 __do_softirq+0x2e9/0xa4c kernel/softirq.c:571 invoke_softirq kernel/softirq.c:445 [inline] __irq_exit_rcu+0x155/0x240 kernel/softirq.c:650 irq_exit_rcu+0x5/0x20 kernel/softirq.c:662 sysvec_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1106 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:653 RIP: 0010:lock_release+0x637/0xa20 kernel/locking/lockdep.c:5686 Code: 3c 3b 00 74 08 4c 89 f7 e8 56 7f 77 00 f6 84 24 91 00 00 00 02 75 6f 41 f7 c5 00 02 00 00 74 01 fb 48 c7 44 24 60 0e 36 e0 45 <4b> c7 04 27 00 00 00 00 4b c7 44 27 08 00 00 00 00 65 48 8b 04 25 RSP: 0018:ffffc90004aff160 EFLAGS: 00000206 RAX: 0000000000000001 RBX: 1ffff9200095fe3e RCX: ffffc90004aff103 RDX: 0000000000000002 RSI: ffffffff8aec1340 RDI: ffffffff8b3d45e0 RBP: ffffc90004aff290 R08: dffffc0000000000 R09: fffffbfff1ce712e R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff9200095fe38 R13: 0000000000000246 R14: ffffc90004aff1f0 R15: dffffc0000000000 rcu_lock_release include/linux/rcupdate.h:355 [inline] rcu_read_unlock_sched include/linux/rcupdate.h:904 [inline] pfn_valid+0x3e0/0x440 include/linux/mmzone.h:1867 page_table_check_clear+0x21/0x720 mm/page_table_check.c:67 zap_pte_range mm/memory.c:1435 [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+0x1b4a/0x2740 mm/memory.c:1645 unmap_vmas+0x48b/0x640 mm/memory.c:1730 exit_mmap+0x252/0x9f0 mm/mmap.c:3227 __mmput+0x115/0x3c0 kernel/fork.c:1199 exit_mm+0x226/0x300 kernel/exit.c:563 do_exit+0x9f6/0x26a0 kernel/exit.c:856 do_group_exit+0x202/0x2b0 kernel/exit.c:1019 get_signal+0x16f7/0x17d0 kernel/signal.c:2862 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: 0033:0x7fef1f27cf69 Code: Unable to access opcode bytes at 0x7fef1f27cf3f. RSP: 002b:00007fef1ffcb0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: fffffffffffffffc RBX: 00007fef1f3b3f80 RCX: 00007fef1f27cf69 RDX: 0000000000000048 RSI: 0000000020000600 RDI: 000000000000000a RBP: 00007fef1f2da6fe R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fef1f3b3f80 R15: 00007ffd28793c68