rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-...D } 2685 jiffies s: 24449 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: 5059 Comm: syz-executor.0 Not tainted 6.5.0-syzkaller-11938-g65d6e954e378 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 RIP: 0010:trace_lock_release include/trace/events/lock.h:69 [inline] RIP: 0010:lock_release+0xb8/0x9d0 kernel/locking/lockdep.c:5764 Code: 08 0f 83 d6 05 00 00 89 c3 48 89 d8 48 c1 e8 06 48 8d 3c c5 68 30 9a 8e be 08 00 00 00 e8 40 67 7a 00 48 0f a3 1d f0 12 2d 0d <73> 0d e8 61 fd 08 00 84 c0 0f 84 d9 05 00 00 48 c7 c0 04 65 9a 8e RSP: 0018:ffffc90000007b60 EFLAGS: 00000057 RAX: 0000000000000001 RBX: 0000000000000000 RCX: ffffffff816d1d70 RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff8e9a3068 RBP: ffffc90000007c90 R08: ffffffff8e9a306f R09: 1ffffffff1d3460d R10: dffffc0000000000 R11: fffffbfff1d3460e R12: 1ffff92000000f78 R13: ffffffff817d01bb R14: ffffc90000007cc0 R15: dffffc0000000000 FS: 0000555556480480(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000200 CR3: 0000000034bf6000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:149 [inline] _raw_spin_unlock_irqrestore+0x79/0x140 kernel/locking/spinlock.c:194 debug_hrtimer_deactivate kernel/time/hrtimer.c:427 [inline] debug_deactivate+0x1b/0x1f0 kernel/time/hrtimer.c:483 __run_hrtimer kernel/time/hrtimer.c:1656 [inline] __hrtimer_run_queues+0x321/0xd10 kernel/time/hrtimer.c:1752 hrtimer_interrupt+0x396/0x980 kernel/time/hrtimer.c:1814 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1063 [inline] __sysvec_apic_timer_interrupt+0x104/0x390 arch/x86/kernel/apic/apic.c:1080 sysvec_apic_timer_interrupt+0x90/0xb0 arch/x86/kernel/apic/apic.c:1074 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645 RIP: 0010:finish_lock_switch+0x95/0x110 kernel/sched/core.c:5135 Code: 45 31 c9 68 07 c1 62 81 e8 c8 d5 09 00 48 83 c4 08 4c 89 ff e8 fc a9 fe ff eb 32 4c 89 ff e8 72 5f 6f 09 e8 2d a1 31 00 fb 5b <41> 5c 41 5d 41 5e 41 5f c3 44 89 f1 80 e1 07 80 c1 03 38 c1 7c 83 RSP: 0018:ffffc900046c7058 EFLAGS: 00000282 RAX: e783b4d4a9eb0000 RBX: ffff88803beb5974 RCX: ffffffff819461ac RDX: dffffc0000000000 RSI: ffffffff8b597480 RDI: ffffffff8162c143 RBP: ffffc900046c70d0 R08: ffffffff8e9a306f R09: 1ffffffff1d3460d R10: dffffc0000000000 R11: fffffbfff1d3460e R12: dffffc0000000000 R13: 1ffff11017307a0b R14: ffff8880b983d058 R15: ffff8880b983c300 finish_task_switch+0x134/0x650 kernel/sched/core.c:5252 context_switch kernel/sched/core.c:5385 [inline] __schedule+0x187b/0x48f0 kernel/sched/core.c:6695 preempt_schedule_irq+0xfb/0x1b0 kernel/sched/core.c:7007 irqentry_exit+0x57/0x80 kernel/entry/common.c:432 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645 RIP: 0010:rol32 include/linux/bitops.h:126 [inline] RIP: 0010:jhash2 include/linux/jhash.h:129 [inline] RIP: 0010:hash_stack lib/stackdepot.c:322 [inline] RIP: 0010:__stack_depot_save+0x78/0x650 lib/stackdepot.c:382 Code: f5 44 89 f0 4c 89 fa 03 02 03 6a 04 44 03 72 08 44 89 f7 c1 c7 04 44 29 f0 31 c7 41 01 ee 29 fd 89 fb c1 c3 06 31 eb 44 01 f7 <89> d9 c1 c1 08 41 29 de 44 31 f1 01 fb 29 cf 89 c8 c1 c0 10 31 f8 RSP: 0018:ffffc900046c74a8 EFLAGS: 00000a86 RAX: 00000000981e7cf1 RBX: 00000000db429812 RCX: 0000000077c7bcaa RDX: ffffc900046c7524 RSI: 000000000000000d RDI: 00000000ac6be2bd RBP: 00000000b34f95c3 R08: 000000000000000b R09: 1ffffffff1d3460d R10: dffffc0000000000 R11: fffffbfff1d3460e R12: 0000000000000cc0 R13: 0000000000000001 R14: 0000000066cbae86 R15: ffffc900046c7500 kasan_save_stack mm/kasan/common.c:46 [inline] kasan_set_track+0x61/0x70 mm/kasan/common.c:52 __kasan_slab_alloc+0x66/0x70 mm/kasan/common.c:328 kasan_slab_alloc include/linux/kasan.h:186 [inline] slab_post_alloc_hook+0x6c/0x3b0 mm/slab.h:762 slab_alloc_node mm/slub.c:3478 [inline] slab_alloc mm/slub.c:3486 [inline] __kmem_cache_alloc_lru mm/slub.c:3493 [inline] kmem_cache_alloc+0x123/0x300 mm/slub.c:3502 vma_lock_alloc kernel/fork.c:459 [inline] vm_area_dup+0x61/0x280 kernel/fork.c:512 dup_mmap kernel/fork.c:710 [inline] dup_mm kernel/fork.c:1686 [inline] copy_mm+0xcea/0x1f10 kernel/fork.c:1735 copy_process+0x1a0f/0x4290 kernel/fork.c:2501 kernel_clone+0x22d/0x7b0 kernel/fork.c:2909 __do_sys_clone kernel/fork.c:3052 [inline] __se_sys_clone kernel/fork.c:3036 [inline] __x64_sys_clone+0x258/0x2a0 kernel/fork.c:3036 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f1d89679b13 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:00007fff2683be58 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1d89679b13 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000 R10: 0000555556480750 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001