rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 0-...!: (1 GPs behind) idle=5324/1/0x4000000000000000 softirq=35986/35991 fqs=31
rcu: (detected by 1, t=10502 jiffies, g=40721, q=1026 ncpus=2)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 9328 Comm: kworker/0:20 Not tainted 6.3.0-rc4-syzkaller-00039-gffe78bbd5121 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
Workqueue: rcu_gp process_srcu
RIP: 0010:validate_chain kernel/locking/lockdep.c:3799 [inline]
RIP: 0010:__lock_acquire+0xc77/0x5d40 kernel/locking/lockdep.c:5056
Code: c1 10 44 89 fe 31 c8 89 c1 29 c2 44 01 f8 c1 c9 0d 31 ca 01 d0 29 d6 89 d1 48 8b 54 24 38 c1 c1 04 31 f1 48 c1 e1 20 48 09 c1 <48> c1 ea 03 48 b8 00 00 00 00 00 fc ff df 0f b6 04 02 49 89 cf 84
RSP: 0018:ffffc90000007bd8 EFLAGS: 00000002
RAX: 0000000026a7fe15 RBX: 0000000000001a28 RCX: 3ab6d40026a7fe15
RDX: ffff888036c72810 RSI: 00000000a5f133c5 RDI: ffffffff914e1de0
RBP: ffff888036c72812 R08: 0000000000000000 R09: ffffffff914dcb8f
R10: fffffbfff229b971 R11: 0000000000000000 R12: ffff888036c727f0
R13: ffff888036c71d40 R14: 0000000000000001 R15: 00000000ffe5b241
FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32c2d000 CR3: 0000000027fcd000 CR4: 0000000000350ef0
Call Trace:
lock_acquire kernel/locking/lockdep.c:5669 [inline]
lock_acquire+0x1af/0x520 kernel/locking/lockdep.c:5634
__raw_spin_lock_irq include/linux/spinlock_api_smp.h:119 [inline]
_raw_spin_lock_irq+0x36/0x50 kernel/locking/spinlock.c:170
__run_hrtimer kernel/time/hrtimer.c:1689 [inline]
__hrtimer_run_queues+0x23e/0xbe0 kernel/time/hrtimer.c:1749
hrtimer_interrupt+0x320/0x7b0 kernel/time/hrtimer.c:1811
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1096 [inline]
__sysvec_apic_timer_interrupt+0x14a/0x430 arch/x86/kernel/apic/apic.c:1113
sysvec_apic_timer_interrupt+0x92/0xc0 arch/x86/kernel/apic/apic.c:1107
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
RIP: 0010:rdtsc_ordered arch/x86/include/asm/msr.h:215 [inline]
RIP: 0010:delay_tsc+0x49/0xb0 arch/x86/lib/delay.c:72
Code: 0f 01 f9 66 90 48 c1 e2 20 48 09 c2 48 89 d5 eb 16 f3 90 bf 01 00 00 00 e8 c4 6a 60 f7 e8 9f 1d 0b 00 44 39 e0 75 36 0f 01 f9 <66> 90 48 c1 e2 20 48 89 d3 48 09 c3 48 89 d8 48 29 e8 4c 39 e8 73
RSP: 0018:ffffc900033bfba0 EFLAGS: 00000246
RAX: 00000000876933b9 RBX: 0000019787693349 RCX: 0000000000000000
RDX: 0000000000000197 RSI: 0000000000000001 RDI: 0000000000000000
RBP: 0000019787692f27 R08: 0000000000000000 R09: ffff8880b9945a07
R10: ffffed1017328b40 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000002bf3 R14: ffffffff91e24e20 R15: ffff8880b9945a00
try_check_zero+0xbf/0x480 kernel/rcu/srcutree.c:1076
srcu_advance_state kernel/rcu/srcutree.c:1629 [inline]
process_srcu+0x383/0x1220 kernel/rcu/srcutree.c:1730
process_one_work+0x991/0x15c0 kernel/workqueue.c:2390
worker_thread+0x669/0x1090 kernel/workqueue.c:2537
kthread+0x2e8/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
rcu: rcu_preempt kthread starved for 10343 jiffies! g40721 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:28256 pid:16 ppid:2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5307 [inline]
__schedule+0xc91/0x5770 kernel/sched/core.c:6625
schedule+0xde/0x1a0 kernel/sched/core.c:6701
schedule_timeout+0x14e/0x2b0 kernel/time/timer.c:2167
rcu_gp_fqs_loop+0x190/0x910 kernel/rcu/tree.c:1608
rcu_gp_kthread+0x23a/0x360 kernel/rcu/tree.c:1807
kthread+0x2e8/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
rcu: Stack dump where RCU GP kthread last ran:
CPU: 1 PID: 12710 Comm: syz-executor.0 Not tainted 6.3.0-rc4-syzkaller-00039-gffe78bbd5121 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
RIP: 0010:csd_lock_wait kernel/smp.c:413 [inline]
RIP: 0010:smp_call_function_many_cond+0x654/0x13c0 kernel/smp.c:987
Code: 0b 00 85 ed 74 48 48 8b 44 24 08 49 89 c4 83 e0 07 49 c1 ec 03 48 89 c5 4d 01 f4 83 c5 03 e8 73 2a 0b 00 f3 90 41 0f b6 04 24 <40> 38 c5 7c 08 84 c0 0f 85 af 0a 00 00 8b 43 08 31 ff 83 e0 01 41
RSP: 0018:ffffc9000b157578 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffff8880b9844e60 RCX: ffffc90003c61000
RDX: 0000000000040000 RSI: ffffffff8177addd RDI: 0000000000000005
RBP: 0000000000000003 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: ffffed10173089cd
R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000001
FS: 00007f3f073e5700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32722000 CR3: 000000002bc27000 CR4: 0000000000350ee0
Call Trace:
on_each_cpu_cond_mask+0x5a/0xa0 kernel/smp.c:1155
on_each_cpu include/linux/smp.h:71 [inline]
text_poke_sync arch/x86/kernel/alternative.c:1770 [inline]
text_poke_bp_batch+0x237/0x770 arch/x86/kernel/alternative.c:1970
text_poke_bp+0x79/0xa0 arch/x86/kernel/alternative.c:2197
__static_call_transform.constprop.0+0x2a1/0x500 arch/x86/kernel/static_call.c:111
arch_static_call_transform+0x51/0x90 arch/x86/kernel/static_call.c:163
__static_call_update+0xd3/0x620 kernel/static_call_inline.c:147
tracepoint_update_call kernel/tracepoint.c:317 [inline]
tracepoint_add_func+0xa22/0xe60 kernel/tracepoint.c:358
tracepoint_probe_register_prio_may_exist+0xa2/0xf0 kernel/tracepoint.c:482
tracepoint_probe_register_may_exist include/linux/tracepoint.h:52 [inline]
__bpf_probe_register kernel/trace/bpf_trace.c:2328 [inline]
bpf_probe_register+0x163/0x1d0 kernel/trace/bpf_trace.c:2334
bpf_raw_tp_link_attach+0x2be/0x5f0 kernel/bpf/syscall.c:3364
bpf_raw_tracepoint_open kernel/bpf/syscall.c:3391 [inline]
__sys_bpf+0x2da/0x5100 kernel/bpf/syscall.c:5034
__do_sys_bpf kernel/bpf/syscall.c:5096 [inline]
__se_sys_bpf kernel/bpf/syscall.c:5094 [inline]
__x64_sys_bpf+0x79/0xc0 kernel/bpf/syscall.c:5094
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f3f0668c0f9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f3f073e5168 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f3f067abf80 RCX: 00007f3f0668c0f9
RDX: 0000000000000010 RSI: 0000000020000340 RDI: 0000000000000011
RBP: 00007f3f066e7b39 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd04a8ff1f R14: 00007f3f073e5300 R15: 0000000000022000