rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	1-...!: (2 ticks this GP) idle=8a1c/1/0x4000000000000000 softirq=18545/18546 fqs=7
rcu: 	(detected by 0, t=10505 jiffies, g=27121, q=377 ncpus=2)
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 7651 Comm: syz-executor.0 Not tainted 6.10.0-rc4-syzkaller-00301-g5f583a3162ff #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
RIP: 0010:__this_cpu_preempt_check+0x0/0x20 lib/smp_processor_id.c:65
Code: e3 fc ff e8 e2 7d ff ff eb a8 e8 5b e0 ff ff 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <f3> 0f 1e fa 48 89 fe 48 c7 c7 00 18 1f 8c e9 bd fe ff ff 66 2e 0f
RSP: 0018:ffffc90000a18c40 EFLAGS: 00000046
RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffff88805f135a00
RDX: ffff88805f135a00 RSI: ffff88807a4d0300 RDI: ffffffff8bcacd00
RBP: 0000000000000003 R08: ffffffff8986826b R09: fffff52000143180
R10: dffffc0000000000 R11: fffff52000143180 R12: 0000000000000046
R13: ffff88805f135a00 R14: 00000000ffffffff R15: ffff88807a4d0300
FS:  0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000040 CR3: 000000000e132000 CR4: 00000000003506f0
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 lockdep_recursion_finish kernel/locking/lockdep.c:467 [inline]
 lock_is_held_type+0x101/0x190 kernel/locking/lockdep.c:5826
 lock_is_held include/linux/lockdep.h:231 [inline]
 advance_sched+0xcd/0xca0 net/sched/sch_taprio.c:925
 __run_hrtimer kernel/time/hrtimer.c:1687 [inline]
 __hrtimer_run_queues+0x59b/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+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:__tlb_remove_folio_pages_size+0x3/0x590 mm/mmu_gather.c:167
Code: b0 ff 48 89 ef 48 89 de 44 89 fa 44 89 f1 5b 41 5e 41 5f 5d eb 11 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55 41 57 <41> 56 41 55 41 54 53 48 83 ec 30 41 89 cf 41 89 d5 48 89 74 24 08
RSP: 0018:ffffc900040d7588 EFLAGS: 00000293
RAX: ffffffff81e55e3b RBX: 0000000000000002 RCX: 0000000000000000
RDX: 0000000000000001 RSI: ffffea000186d840 RDI: ffffc900040d7ae0
RBP: ffffc900040d78d0 R08: ffffffff81df35f1 R09: 1ffffd400030db0e
R10: dffffc0000000000 R11: fffff9400030db0f R12: 1ffff11002fd0700
R13: dffffc0000000000 R14: ffffc900040d7820 R15: 8000000061b61007
 zap_present_folio_ptes mm/memory.c:1510 [inline]
 zap_present_ptes mm/memory.c:1564 [inline]
 zap_pte_range mm/memory.c:1606 [inline]
 zap_pmd_range mm/memory.c:1724 [inline]
 zap_pud_range mm/memory.c:1753 [inline]
 zap_p4d_range mm/memory.c:1774 [inline]
 unmap_page_range+0x1e8e/0x40f0 mm/memory.c:1795
 unmap_vmas+0x3cc/0x5f0 mm/memory.c:1885
 exit_mmap+0x264/0xc80 mm/mmap.c:3341
 __mmput+0x115/0x3c0 kernel/fork.c:1346
 exit_mm+0x220/0x310 kernel/exit.c:565
 do_exit+0x9aa/0x27e0 kernel/exit.c:861
 do_group_exit+0x207/0x2c0 kernel/exit.c:1023
 __do_sys_exit_group kernel/exit.c:1034 [inline]
 __se_sys_exit_group kernel/exit.c:1032 [inline]
 __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1032
 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: 0033:0x7f20c947d0a9
Code: Unable to access opcode bytes at 0x7f20c947d07f.
RSP: 002b:00007ffc72461338 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f20c947d0a9
RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000001 R08: 0000000200000000 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007ffc72461410 R15: 0000000000000001
 </TASK>
rcu: rcu_preempt kthread starved for 10470 jiffies! g27121 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
rcu: 	Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_preempt     state:R  running task     stack:26448 pid:17    tgid:17    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0x1796/0x49d0 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6837
 schedule_timeout+0x1be/0x310 kernel/time/timer.c:2581
 rcu_gp_fqs_loop+0x2df/0x1330 kernel/rcu/tree.c:2000
 rcu_gp_kthread+0xa7/0x3b0 kernel/rcu/tree.c:2202
 kthread+0x2f0/0x390 kernel/kthread.c:389
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
CPU: 0 PID: 7659 Comm: syz-executor.4 Not tainted 6.10.0-rc4-syzkaller-00301-g5f583a3162ff #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
RIP: 0010:rep_nop arch/x86/include/asm/vdso/processor.h:13 [inline]
RIP: 0010:cpu_relax arch/x86/include/asm/vdso/processor.h:18 [inline]
RIP: 0010:csd_lock_wait kernel/smp.c:311 [inline]
RIP: 0010:smp_call_function_many_cond+0x185e/0x29d0 kernel/smp.c:855
Code: 00 00 45 8b 65 00 44 89 e6 83 e6 01 31 ff e8 f9 09 0c 00 41 83 e4 01 49 bc 00 00 00 00 00 fc ff df 75 07 e8 a4 05 0c 00 eb 38 <f3> 90 42 0f b6 04 23 84 c0 75 11 41 f7 45 00 01 00 00 00 74 1e e8
RSP: 0018:ffffc90004057400 EFLAGS: 00000246
RAX: ffffffff818a1f18 RBX: 1ffff110172a8891 RCX: 0000000000040000
RDX: ffffc9000940a000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: ffffc900040575e0 R08: ffffffff818a1ee7 R09: 1ffffffff25ee2b0
R10: dffffc0000000000 R11: fffffbfff25ee2b1 R12: dffffc0000000000
R13: ffff8880b9544488 R14: ffff8880b943f880 R15: 0000000000000001
FS:  00007fc3d06776c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32323000 CR3: 0000000067d68000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000003cab
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 </IRQ>
 <TASK>
 on_each_cpu_cond_mask+0x3f/0x80 kernel/smp.c:1023
 on_each_cpu include/linux/smp.h:71 [inline]
 text_poke_sync arch/x86/kernel/alternative.c:2069 [inline]
 text_poke_bp_batch+0x352/0xb30 arch/x86/kernel/alternative.c:2279
 text_poke_bp+0xb0/0x100 arch/x86/kernel/alternative.c:2506
 __static_call_transform+0x51a/0x810 arch/x86/kernel/static_call.c:111
 arch_static_call_transform+0x141/0x380 arch/x86/kernel/static_call.c:163
 __static_call_update+0xd8/0x5e0 kernel/static_call_inline.c:147
 tracepoint_update_call kernel/tracepoint.c:317 [inline]
 tracepoint_add_func+0x918/0x9e0 kernel/tracepoint.c:358
 tracepoint_probe_register_prio_may_exist+0x122/0x190 kernel/tracepoint.c:482
 bpf_raw_tp_link_attach+0x48b/0x6e0 kernel/bpf/syscall.c:3875
 bpf_raw_tracepoint_open+0x1c2/0x240 kernel/bpf/syscall.c:3906
 __sys_bpf+0x3c0/0x810 kernel/bpf/syscall.c:5730
 __do_sys_bpf kernel/bpf/syscall.c:5795 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5793 [inline]
 __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5793
 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: 0033:0x7fc3cf87d0a9
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:00007fc3d06770c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007fc3cf9b3f80 RCX: 00007fc3cf87d0a9
RDX: 0000000000000010 RSI: 0000000020000040 RDI: 0000000000000011
RBP: 00007fc3cf8ec074 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fc3cf9b3f80 R15: 00007ffd6a2b57b8
 </TASK>