rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 1-...!: (1 GPs behind) idle=418c/1/0x4000000000000000 softirq=15307/15308 fqs=1
rcu: (detected by 0, t=10502 jiffies, g=19849, q=268 ncpus=2)
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 6834 Comm: syz-executor.1 Not tainted 6.10.0-rc1-next-20240531-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
RIP: 0010:lock_acquire+0x40/0x550 kernel/locking/lockdep.c:5785
Code: 81 ec 20 01 00 00 4c 89 4c 24 28 4c 89 44 24 38 48 89 4c 24 30 89 54 24 1c 41 89 f6 48 89 7c 24 20 65 48 8b 04 25 28 00 00 00 <48> 89 84 24 00 01 00 00 49 bd 00 00 00 00 00 fc ff df 48 c7 44 24
RSP: 0018:ffffc90000a188e0 EFLAGS: 00000082
RAX: a948d401c43c5900 RBX: ffffffff84b98050 RCX: 0000000000000000
RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffffffff8ea434a0
RBP: ffffc90000a18a28 R08: 0000000000000001 R09: 0000000000000000
R10: ffffc90000a18c60 R11: fffff5200014318e R12: 0000000000000000
R13: 1ffff9200014315c R14: 0000000000000000 R15: ffff88807c4bc340
FS: 0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2a5abb0000 CR3: 0000000022330000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
debug_objects_fill_pool+0x9f/0x9b0 lib/debugobjects.c:614
debug_object_activate+0x135/0x510 lib/debugobjects.c:704
debug_hrtimer_activate kernel/time/hrtimer.c:423 [inline]
debug_activate kernel/time/hrtimer.c:478 [inline]
enqueue_hrtimer+0x30/0x3c0 kernel/time/hrtimer.c:1085
__run_hrtimer kernel/time/hrtimer.c:1704 [inline]
__hrtimer_run_queues+0x6cb/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
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:page_table_check_clear+0x1a5/0x570 mm/page_table_check.c:86
Code: 4c 01 eb 4d 85 e4 75 7c 48 89 df be 04 00 00 00 e8 00 27 f4 ff 48 89 d8 48 c1 e8 03 0f b6 04 28 84 c0 0f 85 13 01 00 00 8b 2b <31> ff 89 ee e8 32 3b 8e ff 85 ed 0f 85 b4 01 00 00 48 8d 7b 04 be
RSP: 0018:ffffc9000d57f540 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffff8880188c0758 RCX: ffffffff820844e0
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff8880188c0758
RBP: 0000000000000000 R08: ffff8880188c075b R09: 1ffff110031180eb
R10: dffffc0000000000 R11: ffffed10031180ec R12: 0000000000000000
R13: ffff8880188c0710 R14: 0000000000000000 R15: 1ffffffff29049d8
get_and_clear_full_ptes include/linux/pgtable.h:678 [inline]
zap_present_folio_ptes mm/memory.c:1493 [inline]
zap_present_ptes mm/memory.c:1582 [inline]
zap_pte_range mm/memory.c:1624 [inline]
zap_pmd_range mm/memory.c:1742 [inline]
zap_pud_range mm/memory.c:1771 [inline]
zap_p4d_range mm/memory.c:1792 [inline]
unmap_page_range+0x3149/0x4c80 mm/memory.c:1813
unmap_vmas+0x3cc/0x5f0 mm/memory.c:1903
exit_mmap+0x264/0xc80 mm/mmap.c:3382
__mmput+0x115/0x3c0 kernel/fork.c:1347
exit_mm+0x220/0x310 kernel/exit.c:565
do_exit+0x9aa/0x28e0 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
x64_sys_call+0x26a8/0x26b0 arch/x86/include/generated/asm/syscalls_64.h:232
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: 0033:0x7f070227cee9
Code: Unable to access opcode bytes at 0x7f070227cebf.
RSP: 002b:00007ffe1fcfcf58 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 000000000000001e RCX: 00007f070227cee9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000
R10: 00007f0702200000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
rcu: rcu_preempt kthread starved for 10500 jiffies! g19849 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:
context_switch kernel/sched/core.c:5192 [inline]
__schedule+0x17e8/0x4a20 kernel/sched/core.c:6529
__schedule_loop kernel/sched/core.c:6606 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6621
schedule_timeout+0x1be/0x310 kernel/time/timer.c:2581
rcu_gp_fqs_loop+0x2df/0x1330 kernel/rcu/tree.c:2029
rcu_gp_kthread+0xa7/0x3b0 kernel/rcu/tree.c:2231
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
rcu: Stack dump where RCU GP kthread last ran:
CPU: 0 PID: 6853 Comm: syz-executor.2 Not tainted 6.10.0-rc1-next-20240531-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
RIP: 0010:__sanitizer_cov_trace_pc+0x3c/0x70 kernel/kcov.c:210
Code: 8b 15 00 59 6d 7e f7 c2 00 01 ff 00 74 11 f7 c2 00 01 00 00 74 35 83 b9 1c 16 00 00 00 74 2c 8b 91 f8 15 00 00 83 fa 02 75 21 <48> 8b 91 00 16 00 00 48 8b 32 48 8d 7e 01 8b 89 fc 15 00 00 48 39
RSP: 0018:ffffc900095d73f8 EFLAGS: 00000246
RAX: ffffffff818a7358 RBX: 1ffff110172a88a9 RCX: ffff888029fd9e00
RDX: 0000000000000002 RSI: 000000000003ffff RDI: 0000000000040000
RBP: ffffc900095d75e0 R08: ffffffff818a7327 R09: 1ffffffff25f7cb0
R10: dffffc0000000000 R11: fffffbfff25f7cb1 R12: dffffc0000000000
R13: ffff8880b9544548 R14: ffff8880b943f900 R15: 0000000000000001
FS: 00007f2a5b8e16c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b33224000 CR3: 00000000254b4000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 00000000000000a6 DR2: 0000000000000000
DR3: 000000000000c08b DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
csd_lock_wait kernel/smp.c:311 [inline]
smp_call_function_many_cond+0x1878/0x29d0 kernel/smp.c:855
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+0x772/0x9e0 kernel/tracepoint.c:365
tracepoint_probe_register_prio_may_exist+0x122/0x190 kernel/tracepoint.c:482
bpf_raw_tp_link_attach+0x48b/0x6e0 kernel/bpf/syscall.c:3895
bpf_raw_tracepoint_open+0x1c2/0x240 kernel/bpf/syscall.c:3926
__sys_bpf+0x3c0/0x810 kernel/bpf/syscall.c:5751
__do_sys_bpf kernel/bpf/syscall.c:5816 [inline]
__se_sys_bpf kernel/bpf/syscall.c:5814 [inline]
__x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5814
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: 0033:0x7f2a5aa7cee9
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:00007f2a5b8e10c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f2a5abb3fa0 RCX: 00007f2a5aa7cee9
RDX: 0000000000000010 RSI: 0000000020000080 RDI: 0000000000000011
RBP: 00007f2a5aac947f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f2a5abb3fa0 R15: 00007ffcfc29ca08