rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-...D } 2645 jiffies s: 789 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: 3681 Comm: syz-executor.0 Not tainted 6.1.0-rc3-syzkaller-00237-g6ce3df596be2 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 RIP: 0010:check_preemption_disabled+0x31/0x170 lib/smp_processor_id.c:16 Code: 41 54 55 48 89 fd 53 0f 1f 44 00 00 65 44 8b 25 bd 5f 73 76 65 8b 1d 1e b5 73 76 81 e3 ff ff ff 7f 31 ff 89 de 0f 1f 44 00 00 <85> db 74 11 0f 1f 44 00 00 44 89 e0 5b 5d 41 5c 41 5d 41 5e c3 0f RSP: 0018:ffffc90000007d48 EFLAGS: 00000046 RAX: 0000000000000000 RBX: 0000000000010001 RCX: 0000000000000001 RDX: 0000000000000000 RSI: 0000000000010001 RDI: 0000000000000000 RBP: ffffffff8a499d20 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000 R13: ffffffff89eca560 R14: 00000000ffffffff R15: ffff88807a52c340 FS: 000000000331a400(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffd3bc78d08 CR3: 000000002621c000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: lockdep_recursion_inc kernel/locking/lockdep.c:461 [inline] lock_is_held_type+0x63/0x140 kernel/locking/lockdep.c:5710 lock_is_held include/linux/lockdep.h:283 [inline] advance_sched+0xad/0x9a0 net/sched/sch_taprio.c:703 __run_hrtimer kernel/time/hrtimer.c:1685 [inline] __hrtimer_run_queues+0x690/0xfb0 kernel/time/hrtimer.c:1749 hrtimer_interrupt+0x31c/0x790 kernel/time/hrtimer.c:1811 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1096 [inline] __sysvec_apic_timer_interrupt+0x17c/0x640 arch/x86/kernel/apic/apic.c:1113 sysvec_apic_timer_interrupt+0x8e/0xc0 arch/x86/kernel/apic/apic.c:1107 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:649 RIP: 0010:lock_is_held_type+0xff/0x140 kernel/locking/lockdep.c:5716 Code: 00 00 b8 ff ff ff ff 65 0f c1 05 2c d2 73 76 83 f8 01 75 29 9c 58 f6 c4 02 75 3d 48 f7 04 24 00 02 00 00 74 01 fb 48 83 c4 08 <44> 89 e8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 45 31 ed eb b9 0f 0b 48 RSP: 0018:ffffc9000491fc98 EFLAGS: 00000282 RAX: 0000000000000046 RBX: 0000000000000000 RCX: 0000000000000001 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffffff8bf88880 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: ffff88807df60000 R13: 0000000000000000 R14: 00000000ffffffff R15: ffffffff81db9110 lock_is_held include/linux/lockdep.h:283 [inline] __might_resched+0x3a/0x2c0 kernel/sched/core.c:9852 might_alloc include/linux/sched/mm.h:274 [inline] slab_pre_alloc_hook mm/slab.h:710 [inline] slab_alloc_node mm/slub.c:3318 [inline] slab_alloc mm/slub.c:3406 [inline] __kmem_cache_alloc_lru mm/slub.c:3413 [inline] kmem_cache_alloc+0x2e6/0x3c0 mm/slub.c:3422 getname_flags.part.0+0x50/0x4f0 fs/namei.c:139 getname_flags+0x9a/0xe0 include/linux/audit.h:320 vfs_fstatat+0x73/0xb0 fs/stat.c:266 vfs_lstat include/linux/fs.h:3296 [inline] __do_sys_newlstat+0x8e/0x110 fs/stat.c:423 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x463dc6 Code: ff ff ff 64 c7 00 16 00 00 00 b8 ff ff ff ff c3 0f 1f 40 00 41 89 f8 48 89 f7 48 89 d6 41 83 f8 01 77 29 b8 06 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 02 c3 90 48 c7 c2 bc ff ff ff f7 d8 64 89 02 RSP: 002b:00007ffd3bc79448 EFLAGS: 00000246 ORIG_RAX: 0000000000000006 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000463dc6 RDX: 00007ffd3bc79480 RSI: 00007ffd3bc79480 RDI: 00007ffd3bc79510 RBP: 00007ffd3bc79510 R08: 0000000000000001 R09: 00007ffd3bc792e0 R10: 000000000331b8c3 R11: 0000000000000246 R12: 00000000004ae4bc R13: 00007ffd3bc7a5c0 R14: 000000000331b810 R15: 0000000000000008