rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 1-....: (10500 ticks this GP) idle=81f4/1/0x4000000000000000 softirq=9482/9482 fqs=5246
rcu: hardirqs softirqs csw/system
rcu: number: 1 0 0
rcu: cputime: 32465 20034 44 ==> 52510(ms)
rcu: (t=10502 jiffies g=9089 q=442 ncpus=2)
CPU: 1 PID: 5125 Comm: syz-executor698 Not tainted 6.5.0-rc5-syzkaller-01626-gf54a2a132a9d #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
RIP: 0010:taprio_dequeue_tc_priority+0x28d/0x4b0 net/sched/sch_taprio.c:798
Code: 0f b6 00 38 44 24 36 7c 08 84 c0 0f 85 bf 01 00 00 8b 33 8b 4c 24 30 48 8b 54 24 38 48 8b 7c 24 20 e8 a7 f4 ff ff 49 83 ff 10 <48> 89 44 24 08 0f 87 87 01 00 00 49 83 ff 0f 0f 87 69 01 00 00 48
RSP: 0018:ffffc900001e0d60 EFLAGS: 00000283
RAX: 0000000000000000 RBX: ffff888029d94394 RCX: 0000000000000100
RDX: ffff88807a130000 RSI: ffffffff885ba580 RDI: ffff88806ed4b8d8
RBP: 000000000000000a R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000094000 R12: 0000000000000010
R13: ffff888075ffab60 R14: 0000000000000000 R15: 0000000000000001
FS: 0000555556996380(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5971f912d0 CR3: 000000002a797000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
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:5183
__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:qdisc_reset+0x9f/0x620 net/sched/sch_generic.c:1021
Code: 06 48 8d 3c c5 50 51 ac 8e e8 fd 79 95 f9 48 0f a3 1d 65 bf 66 06 0f 92 c3 31 ff 89 de e8 c9 89 40 f9 84 db 0f 85 ed 03 00 00 8c 8e 40 f9 49 8d 7c 24 48 48 b8 00 00 00 00 00 fc ff df 48 89
RSP: 0018:ffffc9000403f228 EFLAGS: 00000202
RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff88459601
RDX: ffff88807a130000 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffff88806f26f800 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000094000 R12: ffffffff8eacdd60
R13: ffff888075ffa000 R14: dffffc0000000000 R15: ffffed100ebff489
__qdisc_destroy+0x91/0x450 net/sched/sch_generic.c:1060
qdisc_put+0xd1/0xf0 net/sched/sch_generic.c:1090
taprio_destroy+0x2e6/0x710 net/sched/sch_taprio.c:2050
__qdisc_destroy+0xc4/0x450 net/sched/sch_generic.c:1063
qdisc_put+0xd1/0xf0 net/sched/sch_generic.c:1090
taprio_attach+0x203/0x370 net/sched/sch_taprio.c:2169
qdisc_graft+0xd84/0x1680 net/sched/sch_api.c:1147
tc_modify_qdisc+0xcd2/0x1bf0 net/sched/sch_api.c:1731
rtnetlink_rcv_msg+0x439/0xd30 net/core/rtnetlink.c:6427
netlink_rcv_skb+0x16b/0x440 net/netlink/af_netlink.c:2545
netlink_unicast_kernel net/netlink/af_netlink.c:1342 [inline]
netlink_unicast+0x536/0x810 net/netlink/af_netlink.c:1368
netlink_sendmsg+0x93c/0xe40 net/netlink/af_netlink.c:1910
sock_sendmsg_nosec net/socket.c:728 [inline]
sock_sendmsg+0xd9/0x180 net/socket.c:751
____sys_sendmsg+0x6ac/0x940 net/socket.c:2538
___sys_sendmsg+0x135/0x1d0 net/socket.c:2592
__sys_sendmsg+0x117/0x1e0 net/socket.c:2621
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: 0033:0x7f5971f0fa99
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 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:00007ffecf2a40f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f5971f0fa99
RDX: 0000000000000000 RSI: 00000000200007c0 RDI: 0000000000000004
RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000000100000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffecf2a4150
R13: 000000000003c708 R14: 00007ffecf2a411c R15: 0000000000000003