rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-...D } 2680 jiffies s: 9229 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: 22429 Comm: syz-executor.2 Not tainted 6.8.0-rc7-syzkaller-00136-gc8a5c731fd12 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
RIP: 0010:preempt_count arch/x86/include/asm/preempt.h:26 [inline]
RIP: 0010:check_kcov_mode kernel/kcov.c:173 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x10/0x70 kernel/kcov.c:207
Code: de 5b e9 83 cb 56 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 48 8b 04 24 65 48 8b 0d f0 4f 70 7e <65> 8b 15 f1 4f 70 7e f7 c2 00 01 ff 00 74 11 f7 c2 00 01 00 00 74
RSP: 0018:ffffc90000007c88 EFLAGS: 00000002
RAX: ffffffff89762745 RBX: 0000000000000001 RCX: ffff888064d5d940
RDX: ffff888064d5d940 RSI: 0000000000000001 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffffffff89762738 R09: fffff52000000f80
R10: dffffc0000000000 R11: fffff52000000f80 R12: 0000000000000002
R13: ffffffff89762660 R14: ffff888058259340 R15: ffff888064d5e3e8
FS:  0000555557078480(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fff224d2d58 CR3: 0000000053050000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 advance_sched+0xe5/0xca0 net/sched/sch_taprio.c:936
 __run_hrtimer kernel/time/hrtimer.c:1689 [inline]
 __hrtimer_run_queues+0x594/0xd00 kernel/time/hrtimer.c:1753
 hrtimer_interrupt+0x396/0x990 kernel/time/hrtimer.c:1815
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1065 [inline]
 __sysvec_apic_timer_interrupt+0x107/0x3a0 arch/x86/kernel/apic/apic.c:1082
 sysvec_apic_timer_interrupt+0x92/0xb0 arch/x86/kernel/apic/apic.c:1076
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:649
RIP: 0010:lock_release+0x626/0x9d0 kernel/locking/lockdep.c:5778
Code: 3c 3b 00 74 08 4c 89 f7 e8 e7 49 84 00 f6 84 24 91 00 00 00 02 75 77 41 f7 c5 00 02 00 00 74 01 fb 48 c7 44 24 60 0e 36 e0 45 <4b> c7 04 27 00 00 00 00 4b c7 44 27 08 00 00 00 00 65 48 8b 04 25
RSP: 0018:ffffc90003abf320 EFLAGS: 00000206
RAX: 0000000000000001 RBX: 1ffff92000757e76 RCX: ffffc90003abf303
RDX: 0000000000000002 RSI: ffffffff8baac7e0 RDI: ffffffff8bfe6da0
RBP: ffffc90003abf450 R08: ffffffff8f856c2f R09: 1ffffffff1f0ad85
R10: dffffc0000000000 R11: fffffbfff1f0ad86 R12: 1ffff92000757e70
R13: 0000000000000246 R14: ffffc90003abf3b0 R15: dffffc0000000000
 rcu_lock_release include/linux/rcupdate.h:308 [inline]
 rcu_read_unlock include/linux/rcupdate.h:783 [inline]
 xa_load+0x401/0x480 lib/xarray.c:1465
 memcg_list_lru_allocated mm/list_lru.c:470 [inline]
 memcg_list_lru_alloc+0x1b8/0xd20 mm/list_lru.c:484
 __memcg_slab_pre_alloc_hook+0x254/0x2b0 mm/slub.c:1922
 memcg_slab_pre_alloc_hook mm/slub.c:1950 [inline]
 slab_pre_alloc_hook mm/slub.c:3766 [inline]
 slab_alloc_node mm/slub.c:3842 [inline]
 kmem_cache_alloc_lru+0x204/0x350 mm/slub.c:3879
 alloc_inode_sb include/linux/fs.h:3018 [inline]
 proc_alloc_inode+0x2a/0xc0 fs/proc/inode.c:57
 alloc_inode fs/inode.c:260 [inline]
 new_inode_pseudo+0x69/0x1e0 fs/inode.c:1005
 new_inode+0x22/0x1d0 fs/inode.c:1031
 proc_pid_make_inode+0x1f/0x130 fs/proc/base.c:1892
 proc_pident_instantiate+0x76/0x2b0 fs/proc/base.c:2638
 proc_pident_lookup+0x1c7/0x2a0 fs/proc/base.c:2674
 lookup_open fs/namei.c:3478 [inline]
 open_last_lookups fs/namei.c:3569 [inline]
 path_openat+0x1032/0x3240 fs/namei.c:3799
 do_filp_open+0x234/0x490 fs/namei.c:3829
 do_sys_openat2+0x13e/0x1d0 fs/open.c:1404
 do_sys_open fs/open.c:1419 [inline]
 __do_sys_openat fs/open.c:1435 [inline]
 __se_sys_openat fs/open.c:1430 [inline]
 __x64_sys_openat+0x247/0x2a0 fs/open.c:1430
 do_syscall_64+0xf9/0x240
 entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x7f981087c9a0
Code: 48 89 44 24 20 75 93 44 89 54 24 0c e8 09 82 02 00 44 8b 54 24 0c 89 da 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 38 44 89 c7 89 44 24 0c e8 5c 82 02 00 8b 44
RSP: 002b:00007fff224d33b0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 0000000000080001 RCX: 00007f981087c9a0
RDX: 0000000000080001 RSI: 00007f98108ca502 RDI: 00000000ffffff9c
RBP: 00007f98108ca502 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000004
R13: 00007fff224d3450 R14: 0000000000000001 R15: 0000000000000001
 </TASK>