rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-...D } 2649 jiffies s: 10261 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 UID: 0 PID: 5852 Comm: syz-executor Not tainted 6.12.0-rc4-syzkaller-00168-ge31a8219fbfc #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:__lock_is_held kernel/locking/lockdep.c:5564 [inline]
RIP: 0010:lock_is_held_type+0x98/0x190 kernel/locking/lockdep.c:5897
Code: fa 48 c7 c7 20 d8 0a 8c e8 65 1b 00 00 65 ff 05 9e 9f 3b 74 41 83 bd d8 0a 00 00 00 7e 47 4c 89 eb 48 81 c3 e0 0a 00 00 31 ed <48> 83 fd 31 73 24 48 89 df 4c 89 fe e8 77 02 00 00 85 c0 75 2a 48
RSP: 0018:ffffc90000a18c48 EFLAGS: 00000093
RAX: 0000000000000008 RBX: ffff88806569a9a8 RCX: ffff888065699e00
RDX: ffff888065699e00 RSI: ffff88805ea34300 RDI: ffff88806569a980
RBP: 0000000000000005 R08: ffffffff89cc552b R09: fffff52000143180
R10: dffffc0000000000 R11: fffff52000143180 R12: 0000000000000046
R13: ffff888065699e00 R14: 00000000ffffffff R15: ffff88805ea34300
FS:  000055558d375500(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007effc1c656c0 CR3: 0000000065614000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 lock_is_held include/linux/lockdep.h:249 [inline]
 advance_sched+0x1c2/0xca0 net/sched/sch_taprio.c:929
 __run_hrtimer kernel/time/hrtimer.c:1691 [inline]
 __hrtimer_run_queues+0x59b/0xd50 kernel/time/hrtimer.c:1755
 hrtimer_interrupt+0x396/0x990 kernel/time/hrtimer.c:1817
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1038 [inline]
 __sysvec_apic_timer_interrupt+0x110/0x420 arch/x86/kernel/apic/apic.c:1055
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
 sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1049
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:lock_release+0x658/0xa30 kernel/locking/lockdep.c:5850
Code: 3c 3b 00 74 08 4c 89 f7 e8 a5 29 8e 00 f6 84 24 91 00 00 00 02 75 77 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:ffffc9000392f0e0 EFLAGS: 00000206
RAX: 0000000000000001 RBX: 1ffff92000725e2e RCX: ffffc9000392f103
RDX: 0000000000000007 RSI: ffffffff8c0adcc0 RDI: ffffffff8c6102e0
RBP: ffffc9000392f220 R08: ffffffff901d002f R09: 1ffffffff203a005
R10: dffffc0000000000 R11: fffffbfff203a006 R12: 1ffff92000725e28
R13: 0000000000000246 R14: ffffc9000392f170 R15: dffffc0000000000
 rcu_lock_release include/linux/rcupdate.h:347 [inline]
 rcu_read_unlock include/linux/rcupdate.h:880 [inline]
 page_ext_put+0xa3/0xc0 mm/page_ext.c:550
 __page_table_check_ptes_set+0x30f/0x410 mm/page_table_check.c:225
 page_table_check_ptes_set include/linux/page_table_check.h:74 [inline]
 set_ptes include/linux/pgtable.h:267 [inline]
 __copy_present_ptes mm/memory.c:969 [inline]
 copy_present_ptes mm/memory.c:1052 [inline]
 copy_pte_range mm/memory.c:1167 [inline]
 copy_pmd_range+0x4773/0x85f0 mm/memory.c:1255
 copy_pud_range mm/memory.c:1292 [inline]
 copy_p4d_range mm/memory.c:1316 [inline]
 copy_page_range+0x99f/0xe90 mm/memory.c:1414
 dup_mmap kernel/fork.c:750 [inline]
 dup_mm kernel/fork.c:1674 [inline]
 copy_mm+0x11fb/0x1f40 kernel/fork.c:1723
 copy_process+0x1845/0x3d50 kernel/fork.c:2372
 kernel_clone+0x226/0x8f0 kernel/fork.c:2784
 __do_sys_clone kernel/fork.c:2927 [inline]
 __se_sys_clone kernel/fork.c:2911 [inline]
 __x64_sys_clone+0x258/0x2a0 kernel/fork.c:2911
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7effc0f74f93
Code: 1f 84 00 00 00 00 00 64 48 8b 04 25 10 00 00 00 45 31 c0 31 d2 31 f6 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 35 89 c2 85 c0 75 2c 64 48 8b 04 25 10 00 00
RSP: 002b:00007ffc08976e58 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007effc0f74f93
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
R10: 000055558d3757d0 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000001bc55 R14: 000000000001bb6c R15: 00007ffc08976fe0
 </TASK>