rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-...D } 2688 jiffies s: 633 root: 0x2/.
rcu: blocking rcu_node structures (internal RCU debug):
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 5089 Comm: syz-executor115 Not tainted 6.8.0-rc4-next-20240214-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
RIP: 0010:check_region_inline mm/kasan/generic.c:174 [inline]
RIP: 0010:kasan_check_range+0x1b/0x290 mm/kasan/generic.c:189
Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 55 41 57 41 56 41 54 53 b0 01 48 85 f6 0f 84 a0 01 00 00 4c 8d 04 37 <49> 39 f8 0f 82 56 02 00 00 48 89 fd 48 c1 ed 2f 81 fd fe ff 01 00
RSP: 0018:ffffc90000a08bf0 EFLAGS: 00000002
RAX: 0000000000000001 RBX: dffffc0000000000 RCX: ffffffff8172dfc8
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff8880111f72e8
RBP: ffff8880236900c8 R08: ffff8880111f72ec R09: 1ffffffff1f0d495
R10: dffffc0000000000 R11: fffffbfff1f0d496 R12: dffffc0000000000
R13: ffff888023690008 R14: ffff888023690000 R15: ffff8880111f72e8
FS:  00005555567f5380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fee7014b3b0 CR3: 000000002222e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 instrument_atomic_read include/linux/instrumented.h:68 [inline]
 atomic_read include/linux/atomic/atomic-instrumented.h:32 [inline]
 queued_spin_is_locked include/asm-generic/qspinlock.h:57 [inline]
 debug_spin_unlock kernel/locking/spinlock_debug.c:101 [inline]
 do_raw_spin_unlock+0x58/0x8b0 kernel/locking/spinlock_debug.c:141
 __raw_spin_unlock include/linux/spinlock_api_smp.h:142 [inline]
 _raw_spin_unlock+0x1e/0x50 kernel/locking/spinlock.c:186
 spin_unlock include/linux/spinlock.h:391 [inline]
 advance_sched+0x9b4/0xca0 net/sched/sch_taprio.c:981
 __run_hrtimer kernel/time/hrtimer.c:1689 [inline]
 __hrtimer_run_queues+0x595/0xd00 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
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1076 [inline]
 sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1076
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:stack_trace_consume_entry+0xf5/0x280 kernel/stacktrace.c:93
Code: 00 fc ff df 48 8b 1b 45 8d 70 01 41 0f b6 04 17 84 c0 0f 85 31 01 00 00 45 89 31 4a 8d 1c c3 48 89 d8 48 c1 e8 03 80 3c 10 00 <74> 1a 4d 89 cf 48 89 df 49 89 d6 49 89 f5 e8 88 63 76 00 4d 89 f9
RSP: 0018:ffffc9000359f2f0 EFLAGS: 00000246
RAX: 1ffff920006b3ea0 RBX: ffffc9000359f500 RCX: ffff8880110e8000
RDX: dffffc0000000000 RSI: ffffffff820b2f35 RDI: ffffc9000359f42c
RBP: ffffc9000359f428 R08: 0000000000000008 R09: ffffc9000359f430
R10: 0000000000000003 R11: ffffffff8180b530 R12: 1ffff920006b3e85
R13: 1ffff920006b3e85 R14: 0000000000000009 R15: 1ffff920006b3e86
 arch_stack_walk+0x143/0x1b0 arch/x86/kernel/stacktrace.c:27
 stack_trace_save+0x118/0x1d0 kernel/stacktrace.c:122
 kasan_save_stack mm/kasan/common.c:47 [inline]
 kasan_save_track+0x3f/0x80 mm/kasan/common.c:68
 kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:586
 poison_slab_object+0xa6/0xe0 mm/kasan/common.c:240
 __kasan_slab_free+0x37/0x60 mm/kasan/common.c:256
 kasan_slab_free include/linux/kasan.h:184 [inline]
 slab_free_hook mm/slub.c:2122 [inline]
 slab_free mm/slub.c:4296 [inline]
 kfree+0x14a/0x380 mm/slub.c:4406
 do_delayed_call include/linux/delayed_call.h:28 [inline]
 put_link fs/namei.c:1026 [inline]
 walk_component+0x17a/0x410 fs/namei.c:2006
 link_path_walk+0x715/0xe80 fs/namei.c:2325
 path_openat+0x24a/0x3240 fs/namei.c:3792
 do_filp_open+0x235/0x490 fs/namei.c:3823
 do_sys_openat2+0x13e/0x1d0 fs/open.c:1407
 do_sys_open fs/open.c:1422 [inline]
 __do_sys_openat fs/open.c:1438 [inline]
 __se_sys_openat fs/open.c:1433 [inline]
 __x64_sys_openat+0x247/0x2a0 fs/open.c:1433
 do_syscall_64+0xfb/0x240
 entry_SYSCALL_64_after_hwframe+0x6d/0x75
RIP: 0033:0x7fee700fcf21
Code: 75 57 89 f0 25 00 00 41 00 3d 00 00 41 00 74 49 80 3d 8a e1 07 00 00 74 6d 89 da 48 89 ee bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 93 00 00 00 48 8b 54 24 28 64 48 2b 14 25
RSP: 002b:00007ffe00f1bf00 EFLAGS: 00000202 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 0000000000080001 RCX: 00007fee700fcf21
RDX: 0000000000080001 RSI: 00007fee7014b3b5 RDI: 00000000ffffff9c
RBP: 00007fee7014b3b5 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe00f1bfa0
R13: 000000000001da28 R14: 00007ffe00f1c48c R15: 0000000000000003
 </TASK>
INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 2.036 msecs