rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 0-...!: (1 GPs behind) idle=6864/1/0x4000000000000000 softirq=16118/16119 fqs=0
(detected by 1, t=10506 jiffies, g=18477, q=112 ncpus=2)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 6069 Comm: syz.2.614 Not tainted 6.1.127-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
RIP: 0010:check_preemption_disabled+0x19/0x110 lib/smp_processor_id.c:14
Code: cc 48 c7 c7 60 67 5e 8b 48 c7 c6 a0 67 5e 8b eb 00 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> 8b 1d 80 2b 4f 75 65 8b 05 21 81 4f 75 a9 ff ff ff 7f 74 22 65
RSP: 0018:ffffc90000007c40 EFLAGS: 00000082
RAX: c0365fef11289700 RBX: 0000000000000001 RCX: ffff88807b743b80
RDX: ffff88807b743b80 RSI: ffffffff8b0c1020 RDI: ffffffff8b5e67c0
RBP: 00000000ffffffff R08: ffffffff88db479b R09: 0000000000000003
R10: ffffffffffffffff R11: dffffc0000000001 R12: 0000000000000046
R13: ffff88807b743b80 R14: 00000000ffffffff R15: ffff888024f38300
FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c38a44d CR3: 000000000d08e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
lockdep_recursion_inc kernel/locking/lockdep.c:462 [inline]
lock_is_held_type+0x76/0x180 kernel/locking/lockdep.c:5704
lock_is_held include/linux/lockdep.h:283 [inline]
advance_sched+0x13d/0x970 net/sched/sch_taprio.c:705
__run_hrtimer kernel/time/hrtimer.c:1689 [inline]
__hrtimer_run_queues+0x5e5/0xe50 kernel/time/hrtimer.c:1753
hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1815
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1107 [inline]
__sysvec_apic_timer_interrupt+0x158/0x5b0 arch/x86/kernel/apic/apic.c:1124
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1118 [inline]
sysvec_apic_timer_interrupt+0x9b/0xc0 arch/x86/kernel/apic/apic.c:1118
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:PageCompound include/linux/page-flags.h:298 [inline]
RIP: 0010:PageHuge+0x74/0x1f0 mm/hugetlb.c:2108
Code: 00 4c 21 ee 31 ff e8 3b d8 ae ff 4c 21 eb 75 3a 49 8d 5e 08 48 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 2c 67 06 00 <4c> 8b 2b 4c 89 ee 48 83 e6 01 31 db 31 ff e8 09 d8 ae ff 49 83 e5
RSP: 0018:ffffc90006927290 EFLAGS: 00000246
RAX: 1ffffd40003039d9 RBX: ffffea000181cec8 RCX: ffff88807b743b80
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffea000181cec8 R08: ffffffff81dbc845 R09: fffff940003039d9
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffffd40003039d8
R13: 00fff1000000004a R14: ffffea000181cec0 R15: dffffc0000000000
page_remove_file_rmap mm/rmap.c:1343 [inline]
page_remove_rmap+0x3fe/0xed0 mm/rmap.c:1429
zap_pte_range mm/memory.c:1453 [inline]
zap_pmd_range mm/memory.c:1574 [inline]
zap_pud_range mm/memory.c:1603 [inline]
zap_p4d_range mm/memory.c:1624 [inline]
unmap_page_range+0x1217/0x2740 mm/memory.c:1645
unmap_vmas+0x48b/0x640 mm/memory.c:1730
exit_mmap+0x249/0x980 mm/mmap.c:3238
__mmput+0x115/0x3c0 kernel/fork.c:1200
exit_mm+0x226/0x300 kernel/exit.c:565
do_exit+0x9f1/0x26a0 kernel/exit.c:858
do_group_exit+0x202/0x2b0 kernel/exit.c:1021
get_signal+0x16f7/0x17d0 kernel/signal.c:2871
arch_do_signal_or_restart+0xb0/0x1a10 arch/x86/kernel/signal.c:871
exit_to_user_mode_loop+0x6a/0x100 kernel/entry/common.c:174
exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:210
__syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline]
syscall_exit_to_user_mode+0x60/0x270 kernel/entry/common.c:303
do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:87
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fe96fb8cd29
Code: Unable to access opcode bytes at 0x7fe96fb8ccff.
RSP: 002b:00007fe970a0a0e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: 0000000000000001 RBX: 00007fe96fda5fa8 RCX: 00007fe96fb8cd29
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fe96fda5fac
RBP: 00007fe96fda5fa0 R08: 0000000000000010 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 00007fe96fda5fac
R13: 0000000000000000 R14: 00007ffcace9ff50 R15: 00007ffcacea0038
rcu: rcu_preempt kthread starved for 10506 jiffies! g18477 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
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:27256 pid:16 ppid:2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5241 [inline]
__schedule+0x143f/0x4570 kernel/sched/core.c:6558
schedule+0xbf/0x180 kernel/sched/core.c:6634
schedule_timeout+0x1b9/0x300 kernel/time/timer.c:1965
rcu_gp_fqs_loop+0x2d2/0x1150 kernel/rcu/tree.c:1706
rcu_gp_kthread+0xa3/0x3b0 kernel/rcu/tree.c:1905
kthread+0x28d/0x320 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
rcu: Stack dump where RCU GP kthread last ran:
CPU: 1 PID: 6071 Comm: syz.3.615 Not tainted 6.1.127-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
RIP: 0010:csd_lock_wait kernel/smp.c:424 [inline]
RIP: 0010:smp_call_function_many_cond+0x1fbe/0x3460 kernel/smp.c:998
Code: e5 01 49 bd 00 00 00 00 00 fc ff df 75 0a e8 99 40 0b 00 e9 1b ff ff ff f3 90 42 0f b6 04 2b 84 c0 75 14 41 f7 07 01 00 00 00 <0f> 84 fe fe ff ff e8 77 40 0b 00 eb e1 44 89 f9 80 e1 07 80 c1 03
RSP: 0018:ffffc90005eaf240 EFLAGS: 00000202
RAX: 0000000000000000 RBX: 1ffff110171c8595 RCX: 0000000000080000
RDX: ffffc9000e429000 RSI: 000000000007ffff RDI: 0000000000080000
RBP: ffffc90005eaf620 R08: ffffffff817f5bf2 R09: fffffbfff224a04d
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000800000000
R13: dffffc0000000000 R14: 0000000000000000 R15: ffff8880b8e42ca8
FS: 00007f050f52e6c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2d41eff8 CR3: 000000002d2dd000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
on_each_cpu_cond_mask+0x3b/0x80 kernel/smp.c:1166
on_each_cpu include/linux/smp.h:71 [inline]
text_poke_sync arch/x86/kernel/alternative.c:1334 [inline]
text_poke_bp_batch+0x2bb/0x940 arch/x86/kernel/alternative.c:1534
text_poke_bp+0xc8/0x140 arch/x86/kernel/alternative.c:1771
__static_call_transform+0x333/0x560 arch/x86/kernel/static_call.c:109
arch_static_call_transform+0xcc/0x270 arch/x86/kernel/static_call.c:161
__static_call_update+0xd4/0x5d0 kernel/static_call_inline.c:136
tracepoint_update_call kernel/tracepoint.c:317 [inline]
tracepoint_add_func+0x90c/0x9d0 kernel/tracepoint.c:358
tracepoint_probe_register_prio_may_exist+0x11e/0x190 kernel/tracepoint.c:482
bpf_raw_tp_link_attach+0x456/0x6b0 kernel/bpf/syscall.c:3392
bpf_raw_tracepoint_open+0x196/0x210 kernel/bpf/syscall.c:3419
__sys_bpf+0x4a7/0x6c0 kernel/bpf/syscall.c:5067
__do_sys_bpf kernel/bpf/syscall.c:5129 [inline]
__se_sys_bpf kernel/bpf/syscall.c:5127 [inline]
__x64_sys_bpf+0x78/0x90 kernel/bpf/syscall.c:5127
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f050e78cd29
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f050f52e038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f050e9a5fa0 RCX: 00007f050e78cd29
RDX: 0000000000000010 RSI: 0000000020000200 RDI: 0000000000000011
RBP: 00007f050e80e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f050e9a5fa0 R15: 00007fff8c61e9e8