rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-...D } 2669 jiffies s: 2237 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: 5699 Comm: syz-executor.1 Not tainted 6.9.0-syzkaller-12082-g0b4f5add9fa5 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
RIP: 0010:match_held_lock+0x1/0xb0 kernel/locking/lockdep.c:5199
Code: 75 11 48 89 d8 48 83 c4 10 5b 41 5e 41 5f c3 cc cc cc cc e8 11 f9 ff ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55 <53> bd 01 00 00 00 48 39 77 10 74 67 48 89 fb 81 7f 20 00 00 20 00
RSP: 0018:ffffc90000a188f0 EFLAGS: 00000083
RAX: 0000000000000002 RBX: 0000000000000001 RCX: ffffc90000a18903
RDX: 1ffff92000143130 RSI: ffffffff8ea408c0 RDI: ffff88802674a908
RBP: ffffc90000a18a30 R08: ffffffff8fad34ef R09: 1ffffffff1f5a69d
R10: dffffc0000000000 R11: fffffbfff1f5a69e R12: 0000000000000001
R13: 0000000000000005 R14: ffff88802674a8e0 R15: ffff88802674a908
FS:  000055558516c480(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000076788000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 find_held_lock kernel/locking/lockdep.c:5244 [inline]
 __lock_release kernel/locking/lockdep.c:5429 [inline]
 lock_release+0x255/0x9f0 kernel/locking/lockdep.c:5774
 debug_objects_fill_pool+0xc0/0x9b0 lib/debugobjects.c:616
 debug_object_activate+0x135/0x510 lib/debugobjects.c:704
 debug_hrtimer_activate kernel/time/hrtimer.c:423 [inline]
 debug_activate kernel/time/hrtimer.c:478 [inline]
 enqueue_hrtimer+0x30/0x3c0 kernel/time/hrtimer.c:1085
 __run_hrtimer kernel/time/hrtimer.c:1704 [inline]
 __hrtimer_run_queues+0x6cb/0xd50 kernel/time/hrtimer.c:1751
 hrtimer_interrupt+0x396/0x990 kernel/time/hrtimer.c:1813
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1032 [inline]
 __sysvec_apic_timer_interrupt+0x110/0x3f0 arch/x86/kernel/apic/apic.c:1049
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline]
 sysvec_apic_timer_interrupt+0xa1/0xc0 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:format_decode+0x107/0x1bb0 lib/vsprintf.c:2537
Code: 00 48 8b 44 24 10 48 8b 18 44 0f b6 e3 4c 89 e7 48 c7 c6 40 ec 94 8f e8 e7 fe 16 f6 41 80 fc 02 4c 89 6c 24 38 4c 89 7c 24 40 <74> 3b 0f b6 c3 83 f8 01 48 89 da 75 5d 48 63 da 48 c1 fb 08 41 bf
RSP: 0018:ffffc9001303f520 EFLAGS: 00000293
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff888026749e00
RDX: 0000000000000002 RSI: ffffffff8f94ec40 RDI: 0000000000000000
RBP: ffffc9001303f610 R08: 0000000000000001 R09: ffffffff8b7f1b19
R10: 0000000000000002 R11: ffff888026749e00 R12: 0000000000000000
R13: ffffffff8bcb7da0 R14: dffffc0000000000 R15: 1ffff92002607eb0
 vsnprintf+0x14f/0x1da0 lib/vsprintf.c:2776
 snprintf+0xda/0x120 lib/vsprintf.c:2959
 print_caller kernel/printk/printk.c:1336 [inline]
 info_print_prefix+0x1f0/0x310 kernel/printk/printk.c:1355
 get_record_print_text_size kernel/printk/printk.c:1490 [inline]
 find_first_fitting_seq+0x1b2/0x580 kernel/printk/printk.c:1519
 syslog_print_all+0x1ae/0x7e0 kernel/printk/printk.c:1667
 do_syslog+0x455/0x810 kernel/printk/printk.c:1745
 __do_sys_syslog kernel/printk/printk.c:1823 [inline]
 __se_sys_syslog kernel/printk/printk.c:1821 [inline]
 __x64_sys_syslog+0x7c/0x90 kernel/printk/printk.c:1821
 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: 0033:0x7fca21a7cee9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffe96e017c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000067
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fca21a7cee9
RDX: 000000000000003f RSI: 00007ffe96e018b0 RDI: 0000000000000003
RBP: 00007ffe96e018b0 R08: 7fffffffffffffff R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe96e01e98
R13: 00007ffe96e01e98 R14: 0000000000000001 R15: 00000000fffffff1
 </TASK>