rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-...D } 2690 jiffies s: 69817 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: 6668 Comm: syz-executor.2 Not tainted 6.9.0-syzkaller-08410-gff2632d7d08e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
RIP: 0010:native_save_fl arch/x86/include/asm/irqflags.h:32 [inline]
RIP: 0010:arch_local_save_flags arch/x86/include/asm/irqflags.h:67 [inline]
RIP: 0010:arch_local_irq_save arch/x86/include/asm/irqflags.h:103 [inline]
RIP: 0010:lock_is_held_type+0x6a/0x190 kernel/locking/lockdep.c:5821
Code: 00 65 4c 8b 2c 25 80 d3 03 00 41 83 bd dc 0a 00 00 00 0f 85 da 00 00 00 41 89 f6 49 89 ff 48 c7 04 24 00 00 00 00 9c 8f 04 24 <4c> 8b 24 24 fa 48 c7 c7 a0 c2 ca 8b e8 55 1b 00 00 65 ff 05 7e ba
RSP: 0018:ffffc90000a18c48 EFLAGS: 00000046
RAX: 0000000000000000 RBX: 00000000ffffffff RCX: ffff88802f4e5a00
RDX: ffff88802f4e5a00 RSI: 00000000ffffffff RDI: ffff88802bc4f300
RBP: dffffc0000000000 R08: ffffffff8990b0fb R09: fffff52000143180
R10: dffffc0000000000 R11: fffff52000143180 R12: 0000000000000002
R13: ffff88802f4e5a00 R14: 00000000ffffffff R15: ffff88802bc4f300
FS:  00007f6790fe76c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3c2d3a7ac0 CR3: 000000005de7c000 CR4: 0000000000350ef0
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 lock_is_held include/linux/lockdep.h:231 [inline]
 advance_sched+0x1c2/0xca0 net/sched/sch_taprio.c:929
 __run_hrtimer kernel/time/hrtimer.c:1687 [inline]
 __hrtimer_run_queues+0x5a7/0xd50 kernel/time/hrtimer.c:1751
 hrtimer_interrupt+0x396/0x990 kernel/time/hrtimer.c:1813
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1032 [inline]
 __sysvec_apic_timer_interrupt+0x112/0x3f0 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:unwind_next_frame+0xa3d/0x2a00 arch/x86/kernel/unwind_orc.c:521
Code: 1c 00 00 0f b6 1b 31 ff 89 de e8 ce 3a 55 00 85 db 0f 84 3c 05 00 00 e8 c1 37 55 00 e9 61 05 00 00 e8 b7 37 55 00 48 8b 04 24 <48> 8d 58 40 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8
RSP: 0018:ffffc9000354f248 EFLAGS: 00000246
RAX: ffffc9000354f320 RBX: ffffc9000354f358 RCX: 0000000000040000
RDX: ffffc90010b66000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: 0000000000000004 R08: 0000000000000005 R09: ffffffff8140f71e
R10: 0000000000000008 R11: ffff88802f4e5a00 R12: ffffffff8fc562d4
R13: dffffc0000000000 R14: ffffc9000354f370 R15: 1ffff920006a9e64
 arch_stack_walk+0x151/0x1b0 arch/x86/kernel/stacktrace.c:25
 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
 poison_kmalloc_redzone mm/kasan/common.c:370 [inline]
 __kasan_kmalloc+0x98/0xb0 mm/kasan/common.c:387
 kasan_kmalloc include/linux/kasan.h:211 [inline]
 __do_kmalloc_node mm/slub.c:4039 [inline]
 __kmalloc+0x233/0x4a0 mm/slub.c:4052
 kmalloc_array include/linux/slab.h:665 [inline]
 kcalloc include/linux/slab.h:696 [inline]
 iter_file_splice_write+0x308/0x14e0 fs/splice.c:683
 do_splice_from fs/splice.c:941 [inline]
 direct_splice_actor+0x120/0x220 fs/splice.c:1164
 splice_direct_to_actor+0x590/0xc90 fs/splice.c:1108
 do_splice_direct_actor fs/splice.c:1207 [inline]
 do_splice_direct+0x28c/0x3e0 fs/splice.c:1233
 do_sendfile+0x56d/0xdc0 fs/read_write.c:1295
 __do_sys_sendfile64 fs/read_write.c:1356 [inline]
 __se_sys_sendfile64+0x100/0x1e0 fs/read_write.c:1348
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f679027cee9
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:00007f6790fe70c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f67903abf80 RCX: 00007f679027cee9
RDX: 0000000020000140 RSI: 0000000000000003 RDI: 0000000000000003
RBP: 00007f67902c949e R08: 0000000000000000 R09: 0000000000000000
R10: 000000000000a5fe R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f67903abf80 R15: 00007ffdda7e4e78
 </TASK>