rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-...D } 2635 jiffies s: 98569 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 UID: 0 PID: 31916 Comm: syz-executor Not tainted 6.10.0-syzkaller-11840-g933069701c1b #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
RIP: 0010:__netif_schedule+0x2b1/0x310 net/core/dev.c:3137
Code: 4d 85 e4 75 16 e8 6f 2c 3d f8 eb 15 e8 68 2c 3d f8 e8 43 ef 31 02 4d 85 e4 74 ea e8 59 2c 3d f8 fb 48 c7 44 24 20 0e 36 e0 45 <4b> c7 44 35 00 00 00 00 00 66 43 c7 44 35 09 00 00 43 c6 44 35 0b
RSP: 0018:ffffc90000007ba0 EFLAGS: 00000046
RAX: ffffffff89565344 RBX: 0000000000000001 RCX: ffff888063df1e00
RDX: 0000000080010000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc90000007c80 R08: ffffffff8956533a R09: 1ffff1100be4822b
R10: dffffc0000000000 R11: ffffed100be4822c R12: ffff88805f241000
R13: dffffc0000000000 R14: 1ffff92000000f78 R15: ffff88805f241300
FS:  00005555889ca500(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fff7ea83ff8 CR3: 000000007ae5c000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 000000000000000e DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 advance_sched+0xaa9/0xca0 net/sched/sch_taprio.c:986
 __run_hrtimer kernel/time/hrtimer.c:1689 [inline]
 __hrtimer_run_queues+0x59b/0xd50 kernel/time/hrtimer.c:1753
 hrtimer_interrupt+0x396/0x990 kernel/time/hrtimer.c:1815
 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:lock_acquire+0x264/0x550 kernel/locking/lockdep.c:5763
Code: 2b 00 74 08 4c 89 f7 e8 0a e5 87 00 f6 44 24 61 02 0f 85 85 01 00 00 41 f7 c7 00 02 00 00 74 01 fb 48 c7 44 24 40 0e 36 e0 45 <4b> c7 44 25 00 00 00 00 00 43 c7 44 25 09 00 00 00 00 43 c7 44 25
RSP: 0018:ffffc9000ce37c20 EFLAGS: 00000206
RAX: 0000000000000001 RBX: 1ffff920019c6f90 RCX: 10f6e9dc8ec52100
RDX: dffffc0000000000 RSI: ffffffff8bcae720 RDI: ffffffff8c1fd0c0
RBP: ffffc9000ce37d78 R08: ffffffff92fcf817 R09: 1ffffffff25f9f02
R10: dffffc0000000000 R11: fffffbfff25f9f03 R12: 1ffff920019c6f8c
R13: dffffc0000000000 R14: ffffc9000ce37c80 R15: 0000000000000246
 fs_reclaim_acquire+0xaf/0x140 mm/page_alloc.c:3836
 might_alloc include/linux/sched/mm.h:334 [inline]
 slab_pre_alloc_hook mm/slub.c:3939 [inline]
 slab_alloc_node mm/slub.c:4017 [inline]
 kmem_cache_alloc_noprof+0x3d/0x2a0 mm/slub.c:4044
 getname_flags+0xb7/0x540 fs/namei.c:139
 user_path_at+0x24/0x60 fs/namei.c:3001
 ksys_umount fs/namespace.c:2033 [inline]
 __do_sys_umount fs/namespace.c:2041 [inline]
 __se_sys_umount fs/namespace.c:2039 [inline]
 __x64_sys_umount+0xf1/0x170 fs/namespace.c:2039
 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: 0033:0x7f0901577247
Code: a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 a8 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007fff7ea840d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0901577247
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff7ea84190
RBP: 00007fff7ea84190 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000246 R12: 00007fff7ea85250
R13: 00007f09015e344c R14: 00005555889dd590 R15: 00000000001db947
 </TASK>