rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 1-...!: (1 GPs behind) idle=e71c/1/0x4000000000000000 softirq=7137/7150 fqs=2
rcu: (detected by 0, t=10505 jiffies, g=7465, q=2377 ncpus=2)
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 5463 Comm: syz.4.84 Not tainted 6.10.0-rc7-next-20240709-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
RIP: 0010:debug_spin_lock_before kernel/locking/spinlock_debug.c:87 [inline]
RIP: 0010:do_raw_spin_lock+0xc1/0x370 kernel/locking/spinlock_debug.c:115
Code: 00 4d 8d 6c 24 10 4c 89 e8 48 c1 e8 03 48 89 44 24 20 80 3c 10 00 74 12 4c 89 ef e8 19 97 89 00 48 ba 00 00 00 00 00 fc ff df <49> 8b 45 00 65 48 8b 0c 25 40 d7 03 00 48 89 4c 24 28 48 39 c8 0f
RSP: 0018:ffffc90000a18ac0 EFLAGS: 00000046
RAX: 1ffffffff2937526 RBX: ffffffff949ba924 RCX: 1ffff92000143160
RDX: dffffc0000000000 RSI: 1ffff92000143160 RDI: ffffffff949ba920
RBP: ffffc90000a18b90 R08: ffffffff8fafd2af R09: 1ffffffff1f5fa55
R10: dffffc0000000000 R11: fffffbfff1f5fa56 R12: ffffffff949ba920
R13: ffffffff949ba930 R14: ffffffff949ba920 R15: dffffc0000000000
FS: 00005555572ca500(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc122104030 CR3: 000000006468e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:111 [inline]
_raw_spin_lock_irqsave+0xe1/0x120 kernel/locking/spinlock.c:162
debug_object_deactivate+0x158/0x390 lib/debugobjects.c:764
debug_hrtimer_deactivate kernel/time/hrtimer.c:428 [inline]
debug_deactivate+0x1b/0x220 kernel/time/hrtimer.c:484
__run_hrtimer kernel/time/hrtimer.c:1657 [inline]
__hrtimer_run_queues+0x305/0xd50 kernel/time/hrtimer.c:1753
hrtimer_interrupt+0x396/0x990 kernel/time/hrtimer.c:1815
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:finish_task_switch+0x1ea/0x870 kernel/sched/core.c:5113
Code: c9 50 e8 b9 b6 0b 00 48 83 c4 08 4c 89 f7 e8 dd 38 00 00 0f 1f 44 00 00 4c 89 f7 e8 80 92 39 0a e8 ab 8f 37 00 fb 48 8b 5d c0 <48> 8d bb f8 15 00 00 48 89 f8 48 c1 e8 03 49 be 00 00 00 00 00 fc
RSP: 0018:ffffc900135a7988 EFLAGS: 00000282
RAX: d76a553b28a73600 RBX: ffff88802613da00 RCX: ffffffff819b3bdc
RDX: dffffc0000000000 RSI: ffffffff8c209860 RDI: ffffffff8163ad35
RBP: ffffc900135a79d0 R08: ffffffff8fafd2af R09: 1ffffffff1f5fa55
R10: dffffc0000000000 R11: fffffbfff1f5fa56 R12: 1ffff110172a7ef3
R13: dffffc0000000000 R14: ffff8880b953ea00 R15: ffff8880b953f798
context_switch kernel/sched/core.c:5242 [inline]
__schedule+0x1808/0x4a60 kernel/sched/core.c:6603
__schedule_loop kernel/sched/core.c:6680 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6695
do_nanosleep+0x197/0x600 kernel/time/hrtimer.c:2030
hrtimer_nanosleep+0x227/0x470 kernel/time/hrtimer.c:2083
__do_sys_clock_nanosleep kernel/time/posix-timers.c:1396 [inline]
__se_sys_clock_nanosleep+0x32b/0x3c0 kernel/time/posix-timers.c:1373
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: 0033:0x7fa5ec7a7bc5
Code: 24 0c 89 3c 24 48 89 4c 24 18 e8 c6 57 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 8b 74 24 0c 8b 3c 24 b8 e6 00 00 00 0f 05 <44> 89 c7 48 89 04 24 e8 1f 58 ff ff 48 8b 04 24 48 83 c4 28 f7 d8
RSP: 002b:00007ffe9881d070 EFLAGS: 00000293 ORIG_RAX: 00000000000000e6
RAX: ffffffffffffffda RBX: 00007fa5ec903f60 RCX: 00007fa5ec7a7bc5
RDX: 00007ffe9881d0b0 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007fa5ec905a60 R08: 0000000000000000 R09: 7fffffffffffffff
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000017a47
R13: 0000000000000032 R14: 00007fa5ec905a60 R15: 00007ffe9881d1c0
rcu: rcu_preempt kthread starved for 10496 jiffies! g7465 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:27440 pid:17 tgid:17 ppid:2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5239 [inline]
__schedule+0x1800/0x4a60 kernel/sched/core.c:6603
__schedule_loop kernel/sched/core.c:6680 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6695
schedule_timeout+0x1be/0x310 kernel/time/timer.c:2581
rcu_gp_fqs_loop+0x2df/0x1330 kernel/rcu/tree.c:2034
rcu_gp_kthread+0xa7/0x3b0 kernel/rcu/tree.c:2236
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 UID: 0 PID: 5472 Comm: syz.3.85 Not tainted 6.10.0-rc7-next-20240709-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
RIP: 0010:csd_lock_wait kernel/smp.c:312 [inline]
RIP: 0010:smp_call_function_many_cond+0x1860/0x29d0 kernel/smp.c:856
Code: 45 8b 65 00 44 89 e6 83 e6 01 31 ff e8 19 14 0c 00 41 83 e4 01 49 bc 00 00 00 00 00 fc ff df 75 07 e8 c4 0f 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 a8 0f
RSP: 0018:ffffc900134f7400 EFLAGS: 00000246
RAX: ffffffff81877c38 RBX: 1ffff110172a88f9 RCX: 0000000000040000
RDX: ffffc900096ce000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: ffffc900134f75e0 R08: ffffffff81877c07 R09: 1ffffffff1f5fa55
R10: dffffc0000000000 R11: fffffbfff1f5fa56 R12: dffffc0000000000
R13: ffff8880b95447c8 R14: ffff8880b943fb80 R15: 0000000000000001
FS: 00007f6080a236c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffd6e731ff8 CR3: 0000000064684000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
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:2085 [inline]
text_poke_bp_batch+0x352/0xb30 arch/x86/kernel/alternative.c:2295
text_poke_bp+0xb0/0x100 arch/x86/kernel/alternative.c:2522
__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:3896
bpf_raw_tracepoint_open+0x1c2/0x240 kernel/bpf/syscall.c:3927
__sys_bpf+0x3c0/0x810 kernel/bpf/syscall.c:5752
__do_sys_bpf kernel/bpf/syscall.c:5817 [inline]
__se_sys_bpf kernel/bpf/syscall.c:5815 [inline]
__x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5815
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: 0033:0x7f607fb75bd9
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:00007f6080a23048 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f607fd03f60 RCX: 00007f607fb75bd9
RDX: 0000000000000010 RSI: 0000000020000140 RDI: 0000000000000011
RBP: 00007f607fbe4e60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f607fd03f60 R15: 00007ffc075fcdd8