INFO: rcu detected stall in netlink

Kernel	Title	Count	Last	Reported	Patched	Status
upstream	INFO: rcu detected stall in netlink_release wireless	1	1008d	1008d	0/26	auto-closed as invalid on 2021/10/14 21:29
upstream	INFO: rcu detected stall in netlink_release (3) wireless	1	638d	638d	0/26	auto-closed as invalid on 2022/09/20 00:08
upstream	BUG: soft lockup in netlink_release kvm	1	725d	725d	0/26	auto-closed as invalid on 2022/06/25 01:57

rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P16505/1:b..l (detected by 1, t=10502 jiffies, g=365505, q=123) task:syz-executor.5 state:R running task stack:28144 pid:16505 ppid: 3789 flags:0x00004000 Call Trace: <TASK> context_switch kernel/sched/core.c:4972 [inline] __schedule+0xa9a/0x4900 kernel/sched/core.c:6253 preempt_schedule_irq+0x4e/0x90 kernel/sched/core.c:6668 irqentry_exit+0x31/0x80 kernel/entry/common.c:425 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638 RIP: 0010:net_generic include/net/netns/generic.h:46 [inline] RIP: 0010:hwsim_net_get_wmediumd drivers/net/wireless/mac80211_hwsim.c:286 [inline] RIP: 0010:mac80211_hwsim_netlink_notify+0x5d8/0xb20 drivers/net/wireless/mac80211_hwsim.c:4282 Code: 56 32 fc 45 85 ed 0f 84 f0 02 00 00 e8 21 54 32 fc 49 8d 3c dc 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 <0f> 85 90 04 00 00 4d 8b 24 dc e8 f9 b5 1d fc 31 ff 89 c3 89 c6 e8 RSP: 0018:ffffc9000c3efb68 EFLAGS: 00000246 RAX: dffffc0000000000 RBX: 0000000000000014 RCX: 0000000000000000 RDX: 1ffff1100f692a14 RSI: ffffffff854522cf RDI: ffff88807b4950a0 RBP: 0000000000003008 R08: 0000000000000000 R09: 0000000000000001 R10: ffffffff854522c1 R11: 0000000000000000 R12: ffff88807b495000 R13: 0000000000000001 R14: ffffc9000c3efbc8 R15: 0000000000000000 notifier_call_chain+0xb5/0x200 kernel/notifier.c:84 blocking_notifier_call_chain kernel/notifier.c:319 [inline] blocking_notifier_call_chain+0x67/0x90 kernel/notifier.c:307 netlink_release+0xcb6/0x1db0 net/netlink/af_netlink.c:788 __sock_release+0xcd/0x280 net/socket.c:650 sock_close+0x18/0x20 net/socket.c:1318 __fput+0x286/0x9f0 fs/file_table.c:280 task_work_run+0xdd/0x1a0 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+0x27e/0x290 kernel/entry/common.c:207 __syscall_exit_to_user_mode_work kernel/entry/common.c:289 [inline] syscall_exit_to_user_mode+0x19/0x60 kernel/entry/common.c:300 do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7fcb12af6afb RSP: 002b:00007ffd16a4ad00 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000007 RCX: 00007fcb12af6afb RDX: 00007fcb12c5c898 RSI: ffffffffffffffff RDI: 0000000000000006 RBP: 00007fcb12c58960 R08: 0000000000000000 R09: 00007fcb12c5c8a0 R10: 00007ffd16a4ae00 R11: 0000000000000293 R12: 0000000000261d51 R13: 00007ffd16a4ae00 R14: 00007fcb12c57030 R15: 0000000000000032 </TASK> rcu: rcu_preempt kthread timer wakeup didn't happen for 10498 jiffies! g365505 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 rcu: Possible timer handling issue on cpu=0 timer-softirq=183039 rcu: rcu_preempt kthread starved for 10499 jiffies! g365505 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->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:I stack:28608 pid: 14 ppid: 2 flags:0x00004000 Call Trace: <TASK> context_switch kernel/sched/core.c:4972 [inline] __schedule+0xa9a/0x4900 kernel/sched/core.c:6253 schedule+0xd2/0x260 kernel/sched/core.c:6326 schedule_timeout+0x14a/0x2a0 kernel/time/timer.c:1881 rcu_gp_fqs_loop+0x186/0x810 kernel/rcu/tree.c:1955 rcu_gp_kthread+0x1de/0x320 kernel/rcu/tree.c:2128 kthread+0x405/0x4f0 kernel/kthread.c:327 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 </TASK> rcu: Stack dump where RCU GP kthread last ran: Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 16522 Comm: syz-executor.1 Not tainted 5.16.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:native_save_fl arch/x86/include/asm/irqflags.h:29 [inline] RIP: 0010:arch_local_save_flags arch/x86/include/asm/irqflags.h:70 [inline] RIP: 0010:arch_irqs_disabled arch/x86/include/asm/irqflags.h:130 [inline] RIP: 0010:lock_release+0x3d2/0x720 kernel/locking/lockdep.c:5660 Code: 00 0f 85 29 02 00 00 48 c7 c7 00 13 ac 89 e8 b5 28 ec 07 b8 ff ff ff ff 65 0f c1 05 68 ec a5 7e 83 f8 01 0f 85 8d 01 00 00 9c <58> f6 c4 02 0f 85 78 01 00 00 48 f7 04 24 00 02 00 00 74 01 fb 48 RSP: 0018:ffffc90000007c40 EFLAGS: 00000046 RAX: 0000000000000001 RBX: 2098a12076864b7e RCX: ffffc90000007c98 RDX: 1ffff110099a24ea RSI: 0000000000010204 RDI: 0000000000000000 RBP: 1ffff92000000f8b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000003 R13: 0000000000000004 R14: ffff88804cd12758 R15: ffff88804cd11d00 FS: 00007fd5be909700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd5be909718 CR3: 000000002db72000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <IRQ> __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:149 [inline] _raw_spin_unlock_irqrestore+0x16/0x70 kernel/locking/spinlock.c:194 debug_object_activate+0x287/0x3e0 lib/debugobjects.c:689 debug_hrtimer_activate kernel/time/hrtimer.c:420 [inline] debug_activate kernel/time/hrtimer.c:475 [inline] enqueue_hrtimer+0x27/0x3e0 kernel/time/hrtimer.c:1084 __run_hrtimer kernel/time/hrtimer.c:1702 [inline] __hrtimer_run_queues+0xb02/0xe50 kernel/time/hrtimer.c:1749 hrtimer_interrupt+0x31c/0x790 kernel/time/hrtimer.c:1811 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1086 [inline] __sysvec_apic_timer_interrupt+0x146/0x530 arch/x86/kernel/apic/apic.c:1103 sysvec_apic_timer_interrupt+0x8e/0xc0 arch/x86/kernel/apic/apic.c:1097 </IRQ> <TASK> asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638 RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0x38/0x70 kernel/locking/spinlock.c:194 Code: 74 24 10 e8 4a 03 11 f8 48 89 ef e8 02 79 11 f8 81 e3 00 02 00 00 75 25 9c 58 f6 c4 02 75 2d 48 85 db 74 01 fb bf 01 00 00 00 <e8> 43 43 04 f8 65 8b 05 cc e8 b6 76 85 c0 74 0a 5b 5d c3 e8 90 2f RSP: 0018:ffffc9000c3bf1e8 EFLAGS: 00000206 RAX: 0000000000000006 RBX: 0000000000000200 RCX: 1ffffffff1ffd41e RDX: 0000000000000000 RSI: 0000000000000202 RDI: 0000000000000001 RBP: ffff88807ba42ae8 R08: 0000000000000001 R09: ffffffff8ffa2abf R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000 R13: ffff88807ba42ae8 R14: 0000000000000246 R15: ffff88807ba42800 spin_unlock_irqrestore include/linux/spinlock.h:404 [inline] taprio_change+0x2f0c/0x4050 net/sched/sch_taprio.c:1606 taprio_init+0x52e/0x670 net/sched/sch_taprio.c:1738 qdisc_create.constprop.0+0x44a/0x10f0 net/sched/sch_api.c:1253 tc_modify_qdisc+0x4c5/0x1980 net/sched/sch_api.c:1660 rtnetlink_rcv_msg+0x413/0xb80 net/core/rtnetlink.c:5592 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2494 netlink_unicast_kernel net/netlink/af_netlink.c:1317 [inline] netlink_unicast+0x539/0x7e0 net/netlink/af_netlink.c:1343 netlink_sendmsg+0x904/0xe00 net/netlink/af_netlink.c:1919 sock_sendmsg_nosec net/socket.c:705 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:725 ____sys_sendmsg+0x6e8/0x810 net/socket.c:2413 ___sys_sendmsg+0xf3/0x170 net/socket.c:2467 __sys_sendmsg+0xe5/0x1b0 net/socket.c:2496 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7fd5bfff6eb9 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:00007fd5be909168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fd5c010a1d0 RCX: 00007fd5bfff6eb9 RDX: 0000000000000000 RSI: 00000000200007c0 RDI: 0000000000000004 RBP: 00007fd5c005108d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd7f3a21ef R14: 00007fd5be909300 R15: 0000000000022000 </TASK> ---------------- Code disassembly (best guess): 0: 56 push %rsi 1: 32 fc xor %ah,%bh 3: 45 85 ed test %r13d,%r13d 6: 0f 84 f0 02 00 00 je 0x2fc c: e8 21 54 32 fc callq 0xfc325432 11: 49 8d 3c dc lea (%r12,%rbx,8),%rdi 15: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 1c: fc ff df 1f: 48 89 fa mov %rdi,%rdx 22: 48 c1 ea 03 shr $0x3,%rdx 26: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) * 2a: 0f 85 90 04 00 00 jne 0x4c0 <-- trapping instruction 30: 4d 8b 24 dc mov (%r12,%rbx,8),%r12 34: e8 f9 b5 1d fc callq 0xfc1db632 39: 31 ff xor %edi,%edi 3b: 89 c3 mov %eax,%ebx 3d: 89 c6 mov %eax,%esi 3f: e8 .byte 0xe8