rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-...D } 2675 jiffies s: 15793 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: 11549 Comm: syz.1.2735 Not tainted 6.11.0-rc6-syzkaller-00326-gd1f2d51b711a #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:rcu_dynticks_curr_cpu_in_eqs include/linux/context_tracking.h:124 [inline]
RIP: 0010:rcu_is_watching+0xd/0xc0 kernel/rcu/tree.c:726
Code: 25 cf 91 7e 0f b6 c0 c3 cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 55 53 65 ff 05 9b ab 91 7e <e8> de d3 a4 09 48 c7 c3 c8 7e 03 00 83 f8 07 89 c5 0f 87 82 00 00
RSP: 0018:ffffc90000a18c08 EFLAGS: 00000083
RAX: 0000000000000001 RBX: 1ffff92000143186 RCX: ffffffff8169c0c9
RDX: fffffbfff202898c RSI: 0000000000000008 RDI: ffffffff90144c58
RBP: 0000000000000001 R08: 0000000000000000 R09: fffffbfff202898b
R10: ffffffff90144c5f R11: 0000000000000000 R12: ffffffff8e873420
R13: ffff888034394340 R14: 000000000003db0c R15: ffffffff89271fb0
FS:  00007fcc457086c0(0000) GS:ffff8880b8900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055556cc45808 CR3: 000000007ee14000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 trace_lock_release include/trace/events/lock.h:69 [inline]
 lock_release+0x4f6/0x6f0 kernel/locking/lockdep.c:5770
 debug_objects_fill_pool lib/debugobjects.c:617 [inline]
 debug_object_activate+0x160/0x540 lib/debugobjects.c:705
 debug_hrtimer_activate kernel/time/hrtimer.c:423 [inline]
 debug_activate kernel/time/hrtimer.c:478 [inline]
 enqueue_hrtimer+0x25/0x3c0 kernel/time/hrtimer.c:1085
 __run_hrtimer kernel/time/hrtimer.c:1706 [inline]
 __hrtimer_run_queues+0xaac/0xcc0 kernel/time/hrtimer.c:1753
 hrtimer_interrupt+0x31b/0x800 kernel/time/hrtimer.c:1815
 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:check_kcov_mode kernel/kcov.c:182 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x1c/0x70 kernel/kcov.c:216
Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 65 48 8b 15 a4 0a 78 7e 65 8b 05 a5 0a 78 7e a9 00 01 ff 00 48 8b 34 24 <74> 1d f6 c4 01 74 43 a9 00 00 0f 00 75 3c a9 00 00 f0 00 75 35 8b
RSP: 0018:ffffc90016fefc90 EFLAGS: 00000246
RAX: 0000000080000000 RBX: ffff888032d3e000 RCX: ffffffff847dc88c
RDX: ffff88807f9a0000 RSI: ffffffff847dc89a RDI: 0000000000000005
RBP: dffffc0000000000 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000001
R13: 0000000000000005 R14: ffffffff847dc60c R15: ffff888032d3e2d0
 io_cqring_wait+0x9aa/0x1480 io_uring/io_uring.c:2482
 __do_sys_io_uring_enter+0x410/0x1130 io_uring/io_uring.c:3255
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fcc4497cef9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fcc45708038 EFLAGS: 00000246 ORIG_RAX: 00000000000001aa
RAX: ffffffffffffffda RBX: 00007fcc44b35f80 RCX: 00007fcc4497cef9
RDX: 0000000000000003 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 00007fcc449ef046 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000007 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fcc44b35f80 R15: 00007ffd8b0f33f8
 </TASK>