hrtimer: interrupt took 251840 ns
rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 1-...!: (10499 ticks this GP) idle=71ac/1/0x4000000000000000 softirq=32771/32771 fqs=0
rcu: (t=10500 jiffies g=38529 q=31 ncpus=2)
rcu: rcu_preempt kthread timer wakeup didn't happen for 10499 jiffies! g38529 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
rcu: Possible timer handling issue on cpu=0 timer-softirq=33569
rcu: rcu_preempt kthread starved for 10500 jiffies! g38529 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:28488 pid:16 ppid:2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5381 [inline]
__schedule+0xee1/0x59f0 kernel/sched/core.c:6710
schedule+0xe7/0x1b0 kernel/sched/core.c:6786
schedule_timeout+0x157/0x2c0 kernel/time/timer.c:2167
rcu_gp_fqs_loop+0x1ec/0xa50 kernel/rcu/tree.c:1609
rcu_gp_kthread+0x249/0x380 kernel/rcu/tree.c:1808
kthread+0x33a/0x430 kernel/kthread.c:389
ret_from_fork+0x2c/0x70 arch/x86/kernel/process.c:145
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
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: 10961 Comm: syz-executor.5 Not tainted 6.5.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
RIP: 0010:kvm_wait+0xa8/0x110 arch/x86/kernel/kvm.c:1064
Code: fa 83 e2 07 38 d0 7f 04 84 c0 75 66 0f b6 07 40 38 c6 74 1b 48 83 c4 10 c3 c3 e8 63 bf 53 00 eb 07 0f 00 2d 1a 9b 30 09 fb f4 <48> 83 c4 10 c3 eb 07 0f 00 2d 0a 9b 30 09 f4 48 83 c4 10 c3 89 74
RSP: 0018:ffffc90015b2f120 EFLAGS: 00000206
RAX: 000000000000a682 RBX: ffff888016aa90f0 RCX: 1ffffffff23132ae
RDX: 0000000000000000 RSI: ffffffff8a6c7460 RDI: ffffffff8ac804a0
RBP: ffff8880b983d240 R08: 0000000000000001 R09: fffffbfff23095e8
R10: ffffffff9184af47 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000001 R14: 0000000000000000 R15: ffffed1002d5521e
FS: 00007f2abb4126c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2f427000 CR3: 000000007c8a1000 CR4: 0000000000350ef0
Call Trace:
pv_wait arch/x86/include/asm/paravirt.h:598 [inline]
pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:470 [inline]
__pv_queued_spin_lock_slowpath+0x959/0xc70 kernel/locking/qspinlock.c:511
pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:586 [inline]
queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:51 [inline]
queued_spin_lock include/asm-generic/qspinlock.h:114 [inline]
do_raw_spin_lock+0x20e/0x2b0 kernel/locking/spinlock_debug.c:115
spin_lock_bh include/linux/spinlock.h:356 [inline]
dev_reset_queue+0xa9/0x1d0 net/sched/sch_generic.c:1291
netdev_for_each_tx_queue include/linux/netdevice.h:2517 [inline]
dev_deactivate_many+0x36f/0xb10 net/sched/sch_generic.c:1359
dev_deactivate+0xed/0x1b0 net/sched/sch_generic.c:1382
qdisc_graft+0xde1/0x1680 net/sched/sch_api.c:1108
tc_modify_qdisc+0xcd2/0x1bf0 net/sched/sch_api.c:1731
rtnetlink_rcv_msg+0x439/0xd30 net/core/rtnetlink.c:6424
netlink_rcv_skb+0x16b/0x440 net/netlink/af_netlink.c:2549
netlink_unicast_kernel net/netlink/af_netlink.c:1339 [inline]
netlink_unicast+0x539/0x800 net/netlink/af_netlink.c:1365
netlink_sendmsg+0x93c/0xe30 net/netlink/af_netlink.c:1914
sock_sendmsg_nosec net/socket.c:725 [inline]
sock_sendmsg+0xd9/0x180 net/socket.c:748
____sys_sendmsg+0x6ac/0x940 net/socket.c:2494
___sys_sendmsg+0x135/0x1d0 net/socket.c:2548
__sys_sendmsg+0x117/0x1e0 net/socket.c:2577
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f2aba67cae9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f2abb4120c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f2aba79bf80 RCX: 00007f2aba67cae9
RDX: 0000000000000000 RSI: 00000000200007c0 RDI: 0000000000000004
RBP: 00007f2aba6c847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f2aba79bf80 R15: 00007ffd949bac08
CPU: 1 PID: 10966 Comm: syz-executor.0 Not tainted 6.5.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
RIP: 0010:__sanitizer_cov_trace_pc+0xd/0x70 kernel/kcov.c:203
Code: fa 48 8b be b0 01 00 00 e8 b0 ff ff ff 31 c0 c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 f3 0f 1e fa 65 8b 05 5d b1 7d 7e 89 c1 <48> 8b 34 24 81 e1 00 01 00 00 65 48 8b 14 25 80 b9 03 00 a9 00 01
RSP: 0018:ffffc900001e0d58 EFLAGS: 00000297
RAX: 0000000000000102 RBX: ffff888016aa9394 RCX: 0000000000000102
RDX: ffff888026241dc0 RSI: 0000000000000100 RDI: 0000000000000004
RBP: 000000000000000b R08: 0000000000000004 R09: 000000000000000b
R10: 000000000000000c R11: 0000000000094000 R12: 0000000000000008
R13: ffff88807b09cb60 R14: 000000000000000c R15: 0000000000000001
FS: 00007f450b0956c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000002000a030 CR3: 000000002b660000 CR4: 0000000000350ee0
Call Trace:
taprio_next_tc_txq net/sched/sch_taprio.c:775 [inline]
taprio_dequeue_tc_priority+0x33d/0x4b0 net/sched/sch_taprio.c:801
taprio_dequeue+0x12e/0x5f0 net/sched/sch_taprio.c:868
dequeue_skb net/sched/sch_generic.c:292 [inline]
qdisc_restart net/sched/sch_generic.c:397 [inline]
__qdisc_run+0x1c4/0x19d0 net/sched/sch_generic.c:415
qdisc_run include/net/pkt_sched.h:125 [inline]
qdisc_run include/net/pkt_sched.h:122 [inline]
net_tx_action+0x71e/0xc80 net/core/dev.c:5049
__do_softirq+0x218/0x965 kernel/softirq.c:553
invoke_softirq kernel/softirq.c:427 [inline]
__irq_exit_rcu kernel/softirq.c:632 [inline]
irq_exit_rcu+0xb7/0x120 kernel/softirq.c:644
sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1109
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0x31/0x70 kernel/locking/spinlock.c:194
Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 d6 7b 31 f7 48 89 df e8 ae fa 31 f7 f7 c5 00 02 00 00 75 1f 9c 58 f6 c4 02 75 2f 01 00 00 00 e8 55 9d 23 f7 65 8b 05 a6 2b ce 75 85 c0 74 12 5b
RSP: 0018:ffffc9001619f730 EFLAGS: 00000246
RAX: 0000000000000002 RBX: ffff888038bb3ec0 RCX: 1ffffffff2311e92
RDX: 0000000000000000 RSI: ffffffff8a6c7460 RDI: ffffffff8ac804a0
RBP: 0000000000000246 R08: 0000000000000001 R09: fffffbfff23095e4
R10: ffffffff9184af27 R11: 0000000000000000 R12: ffff888038bb3ec0
R13: 0000000000000304 R14: 0000000000000010 R15: 0000000000000001
spin_unlock_irqrestore include/linux/spinlock.h:406 [inline]
__wake_up_common_lock+0xe3/0x140 kernel/sched/wait.c:140
__unix_dgram_recvmsg+0x32e/0xe50 net/unix/af_unix.c:2389
unix_dgram_recvmsg+0xc3/0xf0 net/unix/af_unix.c:2459
sock_recvmsg_nosec net/socket.c:1020 [inline]
____sys_recvmsg+0x4ab/0x5c0 net/socket.c:2711
___sys_recvmsg+0x115/0x1a0 net/socket.c:2755
do_recvmmsg+0x2af/0x740 net/socket.c:2849
__sys_recvmmsg net/socket.c:2928 [inline]
__do_sys_recvmmsg net/socket.c:2951 [inline]
__se_sys_recvmmsg net/socket.c:2944 [inline]
__x64_sys_recvmmsg+0x235/0x290 net/socket.c:2944
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f450a27cae9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f450b0950c8 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 00007f450a39c050 RCX: 00007f450a27cae9
RDX: 0000000000010106 RSI: 00000000200000c0 RDI: 0000000000000003
RBP: 00007f450a2c847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f450a39c050 R15: 00007ffeeb930ba8