rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-...D } 2680 jiffies s: 8797 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: 8518 Comm: syz-executor.1 Not tainted 6.8.0-syzkaller-08073-g480e035fc4c7 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:lock_acquire+0x84/0x530 kernel/locking/lockdep.c:5722
Code: 41 48 c7 44 24 48 3c 62 8c 8d 48 c7 44 24 50 60 99 71 81 4c 8d 64 24 40 49 c1 ec 03 48 b8 f1 f1 f1 f1 00 f2 f2 f2 4b 89 04 2c <43> c7 44 2c 09 f2 f2 f2 00 43 c7 44 2c 11 f3 f3 f3 f3 66 43 c7 44
RSP: 0018:ffffc90000007b20 EFLAGS: 00000806
RAX: f2f2f200f1f1f1f1 RBX: ffff8880113302e8 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888011330300
RBP: ffffc90000007c68 R08: 0000000000000001 R09: 0000000000000000
R10: dffffc0000000000 R11: ffffffff89817840 R12: 1ffff92000000f6c
R13: dffffc0000000000 R14: 0000000000000000 R15: ffff888023ad28c0
FS:  00007f2141dfc6c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000002029c000 CR3: 000000005233e000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline]
 _raw_spin_lock+0x2e/0x40 kernel/locking/spinlock.c:154
 spin_lock include/linux/spinlock.h:351 [inline]
 advance_sched+0xab/0xca0 net/sched/sch_taprio.c:924
 __run_hrtimer kernel/time/hrtimer.c:1692 [inline]
 __hrtimer_run_queues+0x595/0xd00 kernel/time/hrtimer.c:1756
 hrtimer_interrupt+0x396/0x990 kernel/time/hrtimer.c:1818
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1032 [inline]
 __sysvec_apic_timer_interrupt+0x107/0x3a0 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:check_preemption_disabled+0x4/0x120 lib/smp_processor_id.c:13
Code: 8b 48 c7 c6 40 d3 fe 8b eb 1c 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 41 57 41 56 <41> 54 53 48 83 ec 10 65 48 8b 04 25 28 00 00 00 48 89 44 24 08 65
RSP: 0018:ffffc900032df148 EFLAGS: 00000283
RAX: 0000000000000001 RBX: 0000000000000000 RCX: ffffffff81719a34
RDX: 0000000000000000 RSI: ffffffff8bfed340 RDI: ffffffff8bfed300
RBP: ffffc900032df2d8 R08: ffffffff8f872cef R09: 1ffffffff1f0e59d
R10: dffffc0000000000 R11: fffffbfff1f0e59e R12: 1ffff9200065be38
R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffff9200065be70
 rcu_dynticks_curr_cpu_in_eqs include/linux/context_tracking.h:122 [inline]
 rcu_is_watching+0x15/0xb0 kernel/rcu/tree.c:700
 trace_lock_acquire include/trace/events/lock.h:24 [inline]
 lock_acquire+0xe3/0x530 kernel/locking/lockdep.c:5725
 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline]
 _raw_spin_lock+0x2e/0x40 kernel/locking/spinlock.c:154
 spin_lock include/linux/spinlock.h:351 [inline]
 __pte_offset_map_lock+0x1ba/0x300 mm/pgtable-generic.c:373
 pte_offset_map_lock include/linux/mm.h:2958 [inline]
 do_anonymous_page mm/memory.c:4269 [inline]
 do_pte_missing mm/memory.c:3743 [inline]
 handle_pte_fault mm/memory.c:5164 [inline]
 __handle_mm_fault+0x2bd9/0x72d0 mm/memory.c:5305
 handle_mm_fault+0x3c2/0x8a0 mm/memory.c:5470
 do_user_addr_fault arch/x86/mm/fault.c:1413 [inline]
 handle_page_fault arch/x86/mm/fault.c:1505 [inline]
 exc_page_fault+0x2a8/0x890 arch/x86/mm/fault.c:1563
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
RIP: 0010:fault_in_readable+0x165/0x2b0 mm/gup.c:1997
Code: b6 ff 4c 8d b3 ff 0f 00 00 48 89 d8 4d 01 e6 49 81 e6 00 f0 ff ff 49 39 c6 72 6b e8 c5 99 b6 ff 4c 39 f3 74 6e 4c 89 64 24 10 <44> 8a 23 43 0f b6 04 2f 84 c0 75 18 44 88 64 24 40 48 81 c3 00 10
RSP: 0018:ffffc900032df9e0 EFLAGS: 00050287
RAX: ffffffff81de5b8b RBX: 000000002029c000 RCX: 0000000000040000
RDX: ffffc90014ad8000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: ffffc900032dfa98 R08: ffffffff81de5b28 R09: ffffffff84a31e49
R10: 0000000000000002 R11: ffff888023ad1e00 R12: 0000000000001000
R13: dffffc0000000000 R14: 000000002029d000 R15: 1ffff9200065bf44
 fault_in_iov_iter_readable+0x229/0x280 lib/iov_iter.c:94
 generic_perform_write+0x220/0x640 mm/filemap.c:3920
 shmem_file_write_iter+0xfc/0x120 mm/shmem.c:2926
 call_write_iter include/linux/fs.h:2108 [inline]
 new_sync_write fs/read_write.c:497 [inline]
 vfs_write+0xa84/0xcb0 fs/read_write.c:590
 ksys_write+0x1a0/0x2c0 fs/read_write.c:643
 do_syscall_64+0xfb/0x240
 entry_SYSCALL_64_after_hwframe+0x6d/0x75
RIP: 0033:0x7f214107de69
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f2141dfc0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f21411ac050 RCX: 00007f214107de69
RDX: 000000000208e24b RSI: 0000000020000380 RDI: 0000000000000006
RBP: 00007f21410ca47a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f21411ac050 R15: 00007f21412cfa48
 </TASK>