INFO: rcu detected stall in bpf_link

Kernel	Title	Count	Last	Reported	Patched	Status
upstream	INFO: rcu detected stall in bpf_link_release (3) mm	1	92d	92d	0/28	auto-obsoleted due to no activity on 2025/01/25 11:31
upstream	INFO: rcu detected stall in bpf_link_release (2) kernel	1	808d	808d	0/28	auto-obsoleted due to no activity on 2023/02/13 11:46
android-5-15	BUG: soft lockup in bpf_link_release	18	175d	295d	0/2	auto-obsoleted due to no activity on 2024/11/03 19:01
android-6-1	BUG: soft lockup in bpf_link_release	2	1h59m	83d	0/2	premoderation: reported on 2024/11/05 21:37

rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: 1-...!: (1 ticks this GP) idle=e41/1/0x4000000000000000 softirq=104971/104971 fqs=29 (detected by 0, t=10502 jiffies, g=155501, q=390) Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 1174 Comm: syz-executor.2 Not tainted 5.16.0-rc7-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:test_bit include/asm-generic/bitops/instrumented-non-atomic.h:134 [inline] RIP: 0010:cpumask_test_cpu include/linux/cpumask.h:344 [inline] RIP: 0010:cpu_online include/linux/cpumask.h:895 [inline] RIP: 0010:trace_lock_release+0xbc/0x150 include/trace/events/lock.h:58 Code: 00 eb be 0f 0b e9 7a ff ff ff e8 ff 33 9a ff eb b9 49 89 f6 48 89 fb 65 8b 05 08 f0 9b 7e 83 f8 08 0f 83 86 00 00 00 41 89 c7 <4c> 89 f8 48 c1 e8 06 48 8d 3c c5 68 ac fe 8d be 08 00 00 00 e8 fb RSP: 0018:ffffc90000dc0b20 EFLAGS: 00000097 RAX: 0000000000000001 RBX: ffffffff8cb1de00 RCX: ffff88808ba10000 RDX: 0000000080010001 RSI: ffffffff8850bf25 RDI: ffffffff8cb1de00 RBP: ffffc90000dc0c70 R08: ffffffff8818e3bb R09: ffffed1003cfd12c R10: ffffed1003cfd12c R11: 0000000000000000 R12: dffffc0000000000 R13: 1ffff920001b8174 R14: ffffffff8850bf25 R15: 0000000000000001 FS: 00005555555bf400(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f1822a413a5 CR3: 000000008de6a000 CR4: 00000000003526e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <IRQ> lock_release+0x82/0x810 kernel/locking/lockdep.c:5648 rcu_read_unlock include/linux/rcupdate.h:721 [inline] advance_sched+0x7be/0x930 net/sched/sch_taprio.c:769 __run_hrtimer kernel/time/hrtimer.c:1685 [inline] __hrtimer_run_queues+0x50b/0xa60 kernel/time/hrtimer.c:1749 hrtimer_interrupt+0x3b3/0x1040 kernel/time/hrtimer.c:1811 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1086 [inline] __sysvec_apic_timer_interrupt+0xf9/0x270 arch/x86/kernel/apic/apic.c:1103 sysvec_apic_timer_interrupt+0x8c/0xb0 arch/x86/kernel/apic/apic.c:1097 </IRQ> <TASK> asm_sysvec_apic_timer_interrupt+0x12/0x20 RIP: 0010:lock_acquire+0x21f/0x4d0 kernel/locking/lockdep.c:5641 Code: 08 4c 89 f7 e8 a2 ff 68 00 f6 84 24 81 00 00 00 02 0f 85 13 02 00 00 41 f7 c4 00 02 00 00 74 01 fb 48 c7 44 24 40 0e 36 e0 45 <4b> c7 04 2f 00 00 00 00 43 c7 44 2f 09 00 00 00 00 43 c7 44 2f 11 RSP: 0018:ffffc90005037800 EFLAGS: 00000206 RAX: 0000000000000001 RBX: 1ffff92000a06f10 RCX: ffff88808ba10a58 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffc90005037958 R08: dffffc0000000000 R09: fffffbfff1ff3ddf R10: fffffbfff1ff3ddf R11: 0000000000000000 R12: 0000000000000246 R13: 1ffff92000a06f08 R14: ffffc90005037880 R15: dffffc0000000000 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline] _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:154 spin_lock include/linux/spinlock.h:349 [inline] __get_locked_pte+0x2ad/0x390 mm/memory.c:1722 get_locked_pte include/linux/mm.h:2160 [inline] __text_poke+0x280/0x9f0 arch/x86/kernel/alternative.c:1000 text_poke arch/x86/kernel/alternative.c:1083 [inline] text_poke_bp_batch+0x4b0/0x940 arch/x86/kernel/alternative.c:1310 text_poke_flush arch/x86/kernel/alternative.c:1451 [inline] text_poke_finish+0x16/0x30 arch/x86/kernel/alternative.c:1458 arch_jump_label_transform_apply+0x13/0x20 arch/x86/kernel/jump_label.c:146 static_key_disable_cpuslocked+0xcc/0x1b0 kernel/jump_label.c:207 static_key_disable+0x16/0x20 kernel/jump_label.c:215 tracepoint_remove_func kernel/tracepoint.c:417 [inline] tracepoint_probe_unregister+0x730/0x9c0 kernel/tracepoint.c:551 bpf_raw_tp_link_release+0x5f/0x80 kernel/bpf/syscall.c:2881 bpf_link_free kernel/bpf/syscall.c:2461 [inline] bpf_link_put+0x220/0x2b0 kernel/bpf/syscall.c:2487 bpf_link_release+0x37/0x40 kernel/bpf/syscall.c:2495 __fput+0x3fc/0x870 fs/file_table.c:280 task_work_run+0x146/0x1c0 kernel/task_work.c:164 tracehook_notify_resume include/linux/tracehook.h:189 [inline] exit_to_user_mode_loop kernel/entry/common.c:175 [inline] exit_to_user_mode_prepare+0x209/0x220 kernel/entry/common.c:207 __syscall_exit_to_user_mode_work kernel/entry/common.c:289 [inline] syscall_exit_to_user_mode+0x2e/0x70 kernel/entry/common.c:300 do_syscall_64+0x53/0xd0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f52bdf95adb Code: 0f 05 48 3d 00 f0 ff ff 77 45 c3 0f 1f 40 00 48 83 ec 18 89 7c 24 0c e8 63 fc ff ff 8b 7c 24 0c 41 89 c0 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 35 44 89 c7 89 44 24 0c e8 a1 fc ff ff 8b 44 RSP: 002b:00007ffefe51df80 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000005 RCX: 00007f52bdf95adb RDX: 00007f52be0fa600 RSI: ffffffffffffffff RDI: 0000000000000004 RBP: 00007f52be0f7960 R08: 0000000000000000 R09: 00007f52be0fa608 R10: 00007ffefe51e080 R11: 0000000000000293 R12: 0000000000130279 R13: 00007ffefe51e080 R14: 00007f52be0f5f60 R15: 0000000000000032 </TASK> rcu: rcu_preempt kthread starved for 10443 jiffies! g155501 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:26576 pid: 14 ppid: 2 flags:0x00004000 Call Trace: <TASK> context_switch kernel/sched/core.c:4972 [inline] __schedule+0xb72/0x1460 kernel/sched/core.c:6253 schedule+0x12b/0x1f0 kernel/sched/core.c:6326 schedule_timeout+0x1b9/0x300 kernel/time/timer.c:1881 rcu_gp_fqs_loop+0x1fd/0x770 kernel/rcu/tree.c:1955 rcu_gp_kthread+0xa5/0x350 kernel/rcu/tree.c:2128 kthread+0x468/0x490 kernel/kthread.c:327 ret_from_fork+0x1f/0x30 </TASK> rcu: Stack dump where RCU GP kthread last ran: NMI backtrace for cpu 0 CPU: 0 PID: 1301 Comm: syz-executor.0 Not tainted 5.16.0-rc7-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: <IRQ> __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1dc/0x2d8 lib/dump_stack.c:106 nmi_cpu_backtrace+0x45f/0x490 lib/nmi_backtrace.c:111 nmi_trigger_cpumask_backtrace+0x16a/0x280 lib/nmi_backtrace.c:62 trigger_single_cpu_backtrace include/linux/nmi.h:164 [inline] rcu_check_gp_kthread_starvation+0x1ff/0x270 kernel/rcu/tree_stall.h:481 print_other_cpu_stall kernel/rcu/tree_stall.h:586 [inline] check_cpu_stall kernel/rcu/tree_stall.h:729 [inline] rcu_pending kernel/rcu/tree.c:3878 [inline] rcu_sched_clock_irq+0x23d5/0x2bc0 kernel/rcu/tree.c:2597 update_process_times+0x197/0x200 kernel/time/timer.c:1785 tick_sched_handle kernel/time/tick-sched.c:226 [inline] tick_sched_timer+0x27d/0x420 kernel/time/tick-sched.c:1428 __run_hrtimer kernel/time/hrtimer.c:1685 [inline] __hrtimer_run_queues+0x4cb/0xa60 kernel/time/hrtimer.c:1749 hrtimer_interrupt+0x3b3/0x1040 kernel/time/hrtimer.c:1811 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1086 [inline] __sysvec_apic_timer_interrupt+0xf9/0x270 arch/x86/kernel/apic/apic.c:1103 sysvec_apic_timer_interrupt+0x8c/0xb0 arch/x86/kernel/apic/apic.c:1097 </IRQ> <TASK> asm_sysvec_apic_timer_interrupt+0x12/0x20 RIP: 0010:csd_lock_wait kernel/smp.c:440 [inline] RIP: 0010:smp_call_function_single+0x2a2/0x570 kernel/smp.c:758 Code: e6 01 31 ff e8 5f c8 0b 00 41 83 e5 01 75 19 e8 44 c4 0b 00 e9 16 01 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 f3 90 <42> 0f b6 04 23 84 c0 75 15 f7 44 24 68 01 00 00 00 0f 84 e9 00 00 RSP: 0018:ffffc9000f4f7020 EFLAGS: 00000246 RAX: ffffffff8178b9fe RBX: 1ffff92001e9ee11 RCX: 0000000000040000 RDX: ffffc90002cc1000 RSI: 000000000003ffff RDI: 0000000000040000 RBP: ffffc9000f4f7130 R08: ffffffff8178b9c1 R09: fffffbfff1ff3ddd R10: fffffbfff1ff3ddd R11: 0000000000000000 R12: dffffc0000000000 R13: 0000000000000001 R14: 0000000000000000 R15: ffffc9000f4f7088 rcu_barrier+0x30e/0x550 kernel/rcu/tree.c:4024 nft_rhash_destroy+0x23/0x40 net/netfilter/nft_set_hash.c:411 nf_tables_newset+0x3d24/0x4320 net/netfilter/nf_tables_api.c:4467 nfnetlink_rcv_batch net/netfilter/nfnetlink.c:513 [inline] nfnetlink_rcv_skb_batch net/netfilter/nfnetlink.c:634 [inline] nfnetlink_rcv+0x10e6/0x2550 net/netfilter/nfnetlink.c:652 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] netlink_unicast+0x814/0x9f0 net/netlink/af_netlink.c:1345 netlink_sendmsg+0xaea/0xe60 net/netlink/af_netlink.c:1921 sock_sendmsg_nosec net/socket.c:704 [inline] sock_sendmsg net/socket.c:724 [inline] ____sys_sendmsg+0x5b9/0x910 net/socket.c:2409 ___sys_sendmsg net/socket.c:2463 [inline] __sys_sendmsg+0x280/0x370 net/socket.c:2492 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f9afc5d7e99 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f9afaf4d168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f9afc6eaf60 RCX: 00007f9afc5d7e99 RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000003 RBP: 00007f9afc631ff1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fffc04539ff R14: 00007f9afaf4d300 R15: 0000000000022000 </TASK> ---------------- Code disassembly (best guess), 1 bytes skipped: 0: eb be jmp 0xffffffc0 2: 0f 0b ud2 4: e9 7a ff ff ff jmpq 0xffffff83 9: e8 ff 33 9a ff callq 0xff9a340d e: eb b9 jmp 0xffffffc9 10: 49 89 f6 mov %rsi,%r14 13: 48 89 fb mov %rdi,%rbx 16: 65 8b 05 08 f0 9b 7e mov %gs:0x7e9bf008(%rip),%eax # 0x7e9bf025 1d: 83 f8 08 cmp $0x8,%eax 20: 0f 83 86 00 00 00 jae 0xac 26: 41 89 c7 mov %eax,%r15d * 29: 4c 89 f8 mov %r15,%rax <-- trapping instruction 2c: 48 c1 e8 06 shr $0x6,%rax 30: 48 8d 3c c5 68 ac fe lea -0x72015398(,%rax,8),%rdi 37: 8d 38: be 08 00 00 00 mov $0x8,%esi 3d: e8 .byte 0xe8 3e: fb sti