rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 1-...!: (1 GPs behind) idle=28f4/1/0x4000000000000000 softirq=53329/53330 fqs=1
rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P15821
rcu: (detected by 0, t=10502 jiffies, g=49013, q=713 ncpus=2)
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 15821 Comm: syz.3.4347 Not tainted 6.13.0-syzkaller-04788-g7004a2e46d16 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
RIP: 0010:__lock_acquire+0xefb/0x3c40 kernel/locking/lockdep.c:5098
Code: 00 0f 87 4c f2 ff ff 45 89 f7 0f 87 45 1f 00 00 4b 8d 7c fc 08 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 <0f> 85 41 1f 00 00 4b 8b 54 fc 08 48 85 d2 0f 85 36 f2 ff ff e9 10
RSP: 0018:ffffc90000a18b38 EFLAGS: 00000046
RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 0000000000000000
RDX: 1ffff11006286e61 RSI: 1ffff92000143179 RDI: ffff888031437308
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff90620557 R11: 0000000000000002 R12: ffff888031437300
R13: ffff8880523ec880 R14: 0000000000000000 R15: 0000000000000000
FS: 00007f84f28b46c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f519da7ef98 CR3: 00000000640a2000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
lock_acquire.part.0+0x11b/0x380 kernel/locking/lockdep.c:5851
__raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline]
_raw_spin_lock+0x2e/0x40 kernel/locking/spinlock.c:154
spin_lock include/linux/spinlock.h:351 [inline]
advance_sched+0xd8/0xc60 net/sched/sch_taprio.c:924
__run_hrtimer kernel/time/hrtimer.c:1738 [inline]
__hrtimer_run_queues+0x20a/0xae0 kernel/time/hrtimer.c:1802
hrtimer_interrupt+0x392/0x8e0 kernel/time/hrtimer.c:1864
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1038 [inline]
__sysvec_apic_timer_interrupt+0x10f/0x400 arch/x86/kernel/apic/apic.c:1055
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
sysvec_apic_timer_interrupt+0x9f/0xc0 arch/x86/kernel/apic/apic.c:1049
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:__local_bh_enable_ip+0xac/0x120 kernel/softirq.c:396
Code: 1d 21 7a a7 7e 65 8b 05 1a 7a a7 7e a9 00 ff ff 00 74 4d bf 01 00 00 00 e8 11 da 0b 00 e8 9c 3c 45 00 fb 65 8b 05 fc 79 a7 7e <85> c0 74 52 5b 5d c3 cc cc cc cc 65 8b 05 ae 29 a6 7e 85 c0 75 9e
RSP: 0018:ffffc9000492f950 EFLAGS: 00000206
RAX: 0000000080000000 RBX: 00000000fffffe01 RCX: 1ffffffff20c3841
RDX: 0000000000000000 RSI: ffffffff8b6cd9c0 RDI: ffffffff8bd2c780
RBP: ffffffff89509a14 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff90620557 R11: 0000000000000001 R12: ffffc9000b7b2000
R13: ffffc9000492fab0 R14: 0000000000000000 R15: 1ffff92000925f3c
local_bh_enable include/linux/bottom_half.h:33 [inline]
bpf_test_run+0x3a9/0xa90 net/bpf/test_run.c:437
bpf_prog_test_run_skb+0xb8d/0x2270 net/bpf/test_run.c:1095
bpf_prog_test_run kernel/bpf/syscall.c:4402 [inline]
__sys_bpf+0xfc6/0x49c0 kernel/bpf/syscall.c:5808
__do_sys_bpf kernel/bpf/syscall.c:5897 [inline]
__se_sys_bpf kernel/bpf/syscall.c:5895 [inline]
__x64_sys_bpf+0x78/0xc0 kernel/bpf/syscall.c:5895
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f84f198cd29
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:00007f84f28b4038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f84f1ba5fa0 RCX: 00007f84f198cd29
RDX: 0000000000000050 RSI: 0000000020000180 RDI: 000000000000000a
RBP: 00007f84f1a0e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f84f1ba5fa0 R15: 00007ffd8075e9b8
task:syz.3.4347 state:R running task stack:26352 pid:15821 tgid:15820 ppid:5823 flags:0x0000400a
Call Trace:
rcu: rcu_preempt kthread starved for 10500 jiffies! g49013 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:27488 pid:17 tgid:17 ppid:2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5373 [inline]
__schedule+0x1142/0x5b60 kernel/sched/core.c:6760
__schedule_loop kernel/sched/core.c:6837 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6852
schedule_timeout+0x124/0x280 kernel/time/sleep_timeout.c:99
rcu_gp_fqs_loop+0x1eb/0xb00 kernel/rcu/tree.c:2024
rcu_gp_kthread+0x271/0x380 kernel/rcu/tree.c:2226
kthread+0x3af/0x750 kernel/kthread.c:464
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:148
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: 15832 Comm: syz.4.4350 Not tainted 6.13.0-syzkaller-04788-g7004a2e46d16 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
RIP: 0010:csd_lock_wait kernel/smp.c:340 [inline]
RIP: 0010:smp_call_function_many_cond+0x4c6/0x12c0 kernel/smp.c:885
Code: 0c 00 85 ed 74 4d 48 b8 00 00 00 00 00 fc ff df 4d 89 fc 4c 89 fd 49 c1 ec 03 83 e5 07 49 01 c4 83 c5 03 e8 fc 04 0c 00 f3 90 <41> 0f b6 04 24 40 38 c5 7c 08 84 c0 0f 85 e8 0b 00 00 8b 43 08 31
RSP: 0018:ffffc9000b16f5a0 EFLAGS: 00000246
RAX: 0000000000080000 RBX: ffff8880b8744a00 RCX: ffffc9000d21d000
RDX: 0000000000080000 RSI: ffffffff818df524 RDI: 0000000000000005
RBP: 0000000000000003 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000005 R12: ffffed10170e8941
R13: 0000000000000001 R14: ffff8880b863fe00 R15: ffff8880b8744a08
FS: 00007f8821ddb6c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020001900 CR3: 000000006abe2000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
on_each_cpu_cond_mask+0x40/0x90 kernel/smp.c:1052
on_each_cpu include/linux/smp.h:71 [inline]
text_poke_sync arch/x86/kernel/alternative.c:2114 [inline]
text_poke_bp_batch+0x22b/0x760 arch/x86/kernel/alternative.c:2324
text_poke_bp+0xa3/0xd0 arch/x86/kernel/alternative.c:2551
__static_call_transform+0x34d/0x770 arch/x86/kernel/static_call.c:111
arch_static_call_transform+0x5d/0xb0 arch/x86/kernel/static_call.c:163
__static_call_update+0xee/0x660 kernel/static_call_inline.c:147
tracepoint_update_call kernel/tracepoint.c:271 [inline]
tracepoint_add_func+0xa90/0xeb0 kernel/tracepoint.c:312
tracepoint_probe_register_prio_may_exist+0xbd/0x110 kernel/tracepoint.c:435
tracepoint_probe_register_may_exist include/linux/tracepoint.h:50 [inline]
bpf_probe_register+0x189/0x200 kernel/trace/bpf_trace.c:2431
bpf_raw_tp_link_attach+0x2cd/0x5f0 kernel/bpf/syscall.c:3981
bpf_raw_tracepoint_open kernel/bpf/syscall.c:4012 [inline]
__sys_bpf+0x3a4/0x49c0 kernel/bpf/syscall.c:5832
__do_sys_bpf kernel/bpf/syscall.c:5897 [inline]
__se_sys_bpf kernel/bpf/syscall.c:5895 [inline]
__x64_sys_bpf+0x78/0xc0 kernel/bpf/syscall.c:5895
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f8820f8cd29
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:00007f8821ddb038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f88211a5fa0 RCX: 00007f8820f8cd29
RDX: 0000000000000010 RSI: 0000000020001900 RDI: 0000000000000011
RBP: 00007f882100e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f88211a5fa0 R15: 00007fffce9adf88