watchdog: BUG: soft lockup - CPU#1 stuck for 140s! [syz-executor103:5333] Modules linked in: irq event stamp: 727517 hardirqs last enabled at (727516): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] hardirqs last enabled at (727516): [] _raw_spin_unlock_irqrestore+0x54/0x70 kernel/locking/spinlock.c:194 hardirqs last disabled at (727517): [] sysvec_apic_timer_interrupt+0xf/0xc0 arch/x86/kernel/apic/apic.c:1106 softirqs last enabled at (792): [] do_softirq.part.0+0xde/0x130 kernel/softirq.c:472 softirqs last disabled at (814): [] spin_lock_bh include/linux/spinlock.h:355 [inline] softirqs last disabled at (814): [] dev_reset_queue+0x8a/0x130 net/sched/sch_generic.c:1283 CPU: 1 PID: 5333 Comm: syz-executor103 Not tainted 6.4.0-rc4-syzkaller-00014-gac2263b588df #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023 RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0x3c/0x70 kernel/locking/spinlock.c:194 Code: 74 24 10 e8 36 ad 52 f7 48 89 ef e8 5e 1b 53 f7 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 cf f0 44 f7 65 8b 05 f0 82 f0 75 85 c0 74 0a 5b 5d c3 e8 ac a7 RSP: 0018:ffffc90003caf1b0 EFLAGS: 00000206 RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff22ae2d6 RDX: 0000000000000000 RSI: 0000000000000202 RDI: 0000000000000001 RBP: ffff8880b982b840 R08: 0000000000000001 R09: ffffffff91528dc7 R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff R13: ffff8880b982b940 R14: 0000000000000246 R15: dffffc0000000000 FS: 00005555562c2300(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000600 CR3: 000000002089b000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: unlock_hrtimer_base kernel/time/hrtimer.c:1017 [inline] hrtimer_try_to_cancel kernel/time/hrtimer.c:1336 [inline] hrtimer_try_to_cancel+0x163/0x4b0 kernel/time/hrtimer.c:1316 hrtimer_cancel+0x17/0x40 kernel/time/hrtimer.c:1443 taprio_reset+0x76/0x200 net/sched/sch_taprio.c:2005 qdisc_reset+0xda/0x620 net/sched/sch_generic.c:1022 dev_reset_queue+0x92/0x130 net/sched/sch_generic.c:1285 netdev_for_each_tx_queue include/linux/netdevice.h:2514 [inline] dev_deactivate_many+0x36d/0xa60 net/sched/sch_generic.c:1351 dev_deactivate+0xed/0x1b0 net/sched/sch_generic.c:1374 qdisc_graft+0xec6/0x1450 net/sched/sch_api.c:1090 tc_modify_qdisc+0xc1b/0x1aa0 net/sched/sch_api.c:1693 rtnetlink_rcv_msg+0x43d/0xd50 net/core/rtnetlink.c:6395 netlink_rcv_skb+0x165/0x440 net/netlink/af_netlink.c:2546 netlink_unicast_kernel net/netlink/af_netlink.c:1339 [inline] netlink_unicast+0x547/0x7f0 net/netlink/af_netlink.c:1365 netlink_sendmsg+0x925/0xe30 net/netlink/af_netlink.c:1913 sock_sendmsg_nosec net/socket.c:724 [inline] sock_sendmsg+0xde/0x190 net/socket.c:747 ____sys_sendmsg+0x71c/0x900 net/socket.c:2503 ___sys_sendmsg+0x110/0x1b0 net/socket.c:2557 __sys_sendmsg+0xf7/0x1c0 net/socket.c:2586 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fce59d4cee9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 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 c0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fff961e0648 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fce59d4cee9 RDX: 0000000000000000 RSI: 00000000200007c0 RDI: 0000000000000004 RBP: 0000000000000000 R08: 000000000000000d R09: 000000000000000d R10: 000000000000000d R11: 0000000000000246 R12: 00007fff961e0660 R13: 00000000000f4240 R14: 0000000000015d78 R15: 00007fff961e0654