INFO: rcu detected stall in read (2)

Kernel	Title	Rank 🛈	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
upstream	INFO: rcu detected stall in read fs	1				1	1221d	1221d	0/29	auto-closed as invalid on 2022/06/17 21:09
upstream	INFO: rcu detected stall in read (3) fs	1				1	280d	280d	0/29	auto-obsoleted due to no activity on 2025/01/13 21:05

rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-...D } 2675 jiffies s: 11041 root: 0x1/. rcu: blocking rcu_node structures (internal RCU debug): Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 9607 Comm: syz-executor.0 Not tainted 6.1.0-rc1-syzkaller-00427-gd47136c28015 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 RIP: 0010:preempt_count_sub+0x3/0x160 kernel/sched/core.c:5674 Code: c1 58 b6 27 8e 80 e1 07 80 c1 03 38 c1 0f 8c 7a ff ff ff 48 c7 c7 58 b6 27 8e e8 78 9f 81 00 e9 69 ff ff ff 0f 1f 00 41 56 53 <89> fb 48 c7 c0 40 df 7c 91 48 c1 e8 03 49 be 00 00 00 00 00 fc ff RSP: 0018:ffffc90000007c68 EFLAGS: 00000046 RAX: 0000000000000001 RBX: 1ffff92000000f94 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000001 RBP: ffffc90000007d10 R08: dffffc0000000000 R09: fffffbfff234f8f7 R10: fffffbfff234f8f7 R11: 1ffffffff234f8f6 R12: dffffc0000000000 R13: 1ffff92000000f90 R14: ffffc90000007ca0 R15: 0000000000000046 FS: 0000555555d36400(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffe27472d58 CR3: 000000001e540000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <IRQ> __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline] _raw_spin_unlock_irqrestore+0xd9/0x130 kernel/locking/spinlock.c:194 debug_hrtimer_deactivate kernel/time/hrtimer.c:425 [inline] debug_deactivate kernel/time/hrtimer.c:481 [inline] __run_hrtimer kernel/time/hrtimer.c:1653 [inline] __hrtimer_run_queues+0x2f9/0xa60 kernel/time/hrtimer.c:1749 hrtimer_interrupt+0x3a6/0xfd0 kernel/time/hrtimer.c:1811 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1096 [inline] __sysvec_apic_timer_interrupt+0xf9/0x280 arch/x86/kernel/apic/apic.c:1113 sysvec_apic_timer_interrupt+0x8c/0xb0 arch/x86/kernel/apic/apic.c:1107 </IRQ> <TASK> asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:649 RIP: 0010:ksys_read+0x139/0x2c0 Code: ff 74 62 e8 29 99 9c ff 4c 89 f8 48 c1 e8 03 48 bb 00 00 00 00 00 fc ff df 80 3c 18 00 74 08 4c 89 ff e8 8a 63 f1 ff 4d 8b 2f <48> 8b 44 24 20 80 3c 18 00 4c 8d 64 24 60 74 08 4c 89 e7 e8 ef 63 RSP: 0018:ffffc90015cffe60 EFLAGS: 00000246 RAX: 1ffff11004230d62 RBX: dffffc0000000000 RCX: ffff88807ee40000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90015cfff38 R08: ffffffff81ed0bbc R09: ffffed100f8c4349 R10: ffffed100f8c4349 R11: 1ffff1100f8c4348 R12: ffff888021186a00 R13: 000000000000005a R14: ffff888021186a00 R15: ffff888021186b10 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fad2e83d33c Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 fc ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 2f fd ff ff 48 RSP: 002b:00007ffe27473490 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007ffe274734c0 RCX: 00007fad2e83d33c RDX: 00000000000003e8 RSI: 00007ffe274734c0 RDI: 00000000000000c8 RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffe27473330 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 0000000000000000 R14: 0000000000000001 R15: 00007ffe27473980 </TASK>