rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-...D } 2648 jiffies s: 1957 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: 5620 Comm: rm Not tainted 6.9.0-rc5-syzkaller-00036-g9d1ddab261f3 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:do_raw_spin_lock+0x50/0x2c0 kernel/locking/spinlock_debug.c:114
Code: b3 8a b5 41 48 8d 6c 24 08 48 c7 44 24 10 dd eb 13 8d 48 c1 ed 03 48 c7 44 24 18 60 52 6c 81 48 8d 54 05 00 c7 02 f1 f1 f1 f1 <c7> 42 04 04 f3 f3 f3 65 48 8b 14 25 28 00 00 00 48 89 54 24 60 31
RSP: 0018:ffffc90000a08d98 EFLAGS: 00000806
RAX: dffffc0000000000 RBX: ffff8880b952c9c0 RCX: ffffffff816af51e
RDX: fffff520001411b4 RSI: ffffffff8b0cb100 RDI: ffff8880b952c9c4
RBP: 1ffff920001411b4 R08: 0000000000000000 R09: fffffbfff27bb431
R10: ffffffff93dda18f R11: 0000000000000001 R12: ffff8880b952cac0
R13: ffff88807d888340 R14: ffff8880b952c9c0 R15: ffffffff88ee5850
FS:  0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fbaa799b3b0 CR3: 000000001fe52000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 __run_hrtimer kernel/time/hrtimer.c:1696 [inline]
 __hrtimer_run_queues+0x2c0/0xcc0 kernel/time/hrtimer.c:1756
 hrtimer_interrupt+0x31b/0x800 kernel/time/hrtimer.c:1818
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1032 [inline]
 __sysvec_apic_timer_interrupt+0x10f/0x450 arch/x86/kernel/apic/apic.c:1049
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline]
 sysvec_apic_timer_interrupt+0x90/0xb0 arch/x86/kernel/apic/apic.c:1043
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:ma_dead_node lib/maple_tree.c:560 [inline]
RIP: 0010:mas_rewalk_if_dead lib/maple_tree.c:4353 [inline]
RIP: 0010:mas_next_slot+0x4b9/0x21d0 lib/maple_tree.c:4690
Code: ed b3 c3 f6 85 ed 75 1d e8 04 b9 c3 f6 e8 cf 43 11 00 31 ff 89 c5 89 c6 e8 d4 b3 c3 f6 85 ed 0f 85 9c 14 00 00 e8 e7 b8 c3 f6 <48> b9 00 00 00 00 00 fc ff df 48 89 d8 48 c1 e8 03 80 3c 08 00 0f
RSP: 0018:ffffc9000333f778 EFLAGS: 00000293
RAX: 0000000000000000 RBX: ffff88807e398000 RCX: ffffffff8aca092a
RDX: ffff8880278f8000 RSI: ffffffff8aca0969 RDI: 0000000000000005
RBP: 0000000000000001 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: ffff88807a7aa300
R13: ffff8880790acc40 R14: ffffc9000333f8a0 R15: ffffc9000333f8dd
 mas_find+0x2c6/0x530 lib/maple_tree.c:6068
 vma_next include/linux/mm.h:980 [inline]
 validate_mm+0xd9/0x4b0 mm/mmap.c:289
 do_vmi_align_munmap+0x1553/0x1ad0 mm/mmap.c:2633
 do_vmi_munmap+0x20b/0x450 mm/mmap.c:2696
 mmap_region+0x175/0x2760 mm/mmap.c:2747
 do_mmap+0x8ae/0xf10 mm/mmap.c:1385
 vm_mmap_pgoff+0x1ab/0x3c0 mm/util.c:573
 ksys_mmap_pgoff+0x425/0x5b0 mm/mmap.c:1431
 __do_sys_mmap arch/x86/kernel/sys_x86_64.c:86 [inline]
 __se_sys_mmap arch/x86/kernel/sys_x86_64.c:79 [inline]
 __x64_sys_mmap+0x125/0x190 arch/x86/kernel/sys_x86_64.c:79
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcf/0x260 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fbaa7c14b74
Code: 63 08 44 89 e8 5b 41 5c 41 5d c3 41 89 ca 41 f7 c1 ff 0f 00 00 74 0c c7 05 f5 46 01 00 16 00 00 00 eb 17 b8 09 00 00 00 0f 05 <48> 3d 00 f0 ff ff 76 0c f7 d8 89 05 dc 46 01 00 48 83 c8 ff c3 0f
RSP: 002b:00007ffdfe04bbc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007ffdfe04bc40 RCX: 00007fbaa7c14b74
RDX: 0000000000000001 RSI: 0000000000003000 RDI: 00007fbaa7976000
RBP: 00007ffdfe04bfa0 R08: 0000000000000003 R09: 0000000000009000
R10: 0000000000000812 R11: 0000000000000246 R12: 00007fbaa7bf1ac0
R13: 00007ffdfe04c028 R14: 0000000000008442 R15: 0000000000000000
 </TASK>