rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-...D } 2661 jiffies s: 25725 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: 16972 Comm: modprobe Not tainted 6.5.0-rc5-syzkaller-00182-g25aa0bebba72 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
RIP: 0010:preempt_count_sub+0x50/0x150 kernel/sched/core.c:5880
Code: b6 14 11 38 d0 7c 08 84 d2 0f 85 e4 00 00 00 8b 0d d5 a9 ba 10 85 c9 75 1b 65 8b 05 92 8d aa 7e 89 c2 81 e2 ff ff ff 7f 39 da <7c> 13 81 fb fe 00 00 00 76 63 f7 db 65 01 1d 75 8d aa 7e 5b c3 e8
RSP: 0018:ffffc900001e0d70 EFLAGS: 00000006
RAX: 0000000000010001 RBX: 0000000000000001 RCX: 0000000000000000
RDX: 0000000000010001 RSI: 0000000000000004 RDI: 0000000000000001
RBP: ffff888023d69000 R08: 0000000000000000 R09: ffffed100855f65d
R10: ffff888042afb2eb R11: 0000000000094000 R12: 0000000000000000
R13: ffff888023d69000 R14: ffff888042afb340 R15: ffff888023d68800
FS:  00007ff50609d380(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff5062918e5 CR3: 000000002f1ca000 CR4: 0000000000350ee0
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 __raw_spin_unlock include/linux/spinlock_api_smp.h:143 [inline]
 _raw_spin_unlock+0x28/0x40 kernel/locking/spinlock.c:186
 spin_unlock include/linux/spinlock.h:391 [inline]
 advance_sched+0x60e/0xc60 net/sched/sch_taprio.c:992
 __run_hrtimer kernel/time/hrtimer.c:1688 [inline]
 __hrtimer_run_queues+0x203/0xc10 kernel/time/hrtimer.c:1752
 hrtimer_interrupt+0x31b/0x800 kernel/time/hrtimer.c:1814
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1098 [inline]
 __sysvec_apic_timer_interrupt+0x14a/0x430 arch/x86/kernel/apic/apic.c:1115
 sysvec_apic_timer_interrupt+0x8e/0xc0 arch/x86/kernel/apic/apic.c:1109
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
RIP: 0010:check_kcov_mode kernel/kcov.c:173 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x11/0x70 kernel/kcov.c:207
Code: b0 01 00 00 e8 b0 ff ff ff 31 c0 c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 f3 0f 1e fa 65 8b 05 dd b0 7d 7e 89 c1 48 8b 34 24 <81> e1 00 01 00 00 65 48 8b 14 25 80 b9 03 00 a9 00 01 ff 00 74 0e
RSP: 0018:ffffc9000b3df858 EFLAGS: 00000202
RAX: 0000000080000000 RBX: 0000000000000001 RCX: 0000000080000000
RDX: ffff888031fa0000 RSI: ffffffff8a222038 RDI: 0000000000000001
RBP: 0000000000000002 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
R13: ffff888078eb5e00 R14: 0000000000000000 R15: dffffc0000000000
 ma_slots lib/maple_tree.c:798 [inline]
 mas_validate_parent_slot lib/maple_tree.c:7027 [inline]
 mt_validate+0x2e08/0x4100 lib/maple_tree.c:7221
 validate_mm+0x9a/0x460 mm/mmap.c:300
 __split_vma+0xa9/0x830 mm/mmap.c:2333
 split_vma+0xc8/0x110 mm/mmap.c:2414
 mprotect_fixup+0x784/0xbf0 mm/mprotect.c:649
 do_mprotect_pkey+0x852/0xd60 mm/mprotect.c:817
 __do_sys_mprotect mm/mprotect.c:838 [inline]
 __se_sys_mprotect mm/mprotect.c:835 [inline]
 __x64_sys_mprotect+0x78/0xb0 mm/mprotect.c:835
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7ff5063bbbb7
Code: 00 00 00 b8 0b 00 00 00 0f 05 48 3d 01 f0 ff ff 73 01 c3 48 8d 0d b9 46 01 00 f7 d8 89 01 48 83 c8 ff c3 b8 0a 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8d 0d 99 46 01 00 f7 d8 89 01 48 83
RSP: 002b:00007ffd3547fe88 EFLAGS: 00000206 ORIG_RAX: 000000000000000a
RAX: ffffffffffffffda RBX: 00007ff5063d02a0 RCX: 00007ff5063bbbb7
RDX: 0000000000000001 RSI: 0000000000001000 RDI: 0000562904846000
RBP: 00007ffd3547ffa0 R08: 00007ffd3547fe18 R09: 00007ff50639e0c0
R10: 0000562904843458 R11: 0000000000000206 R12: 00007ff5063d02a0
R13: 00007ff5063c3eda R14: 0000562904846fd0 R15: 0000562904846f40
 </TASK>