watchdog: BUG: soft lockup - CPU#1 stuck for 117s! [syz-executor.2:17031] Modules linked in: irq event stamp: 214739 hardirqs last enabled at (214738): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] hardirqs last enabled at (214738): [] _raw_spin_unlock_irqrestore+0x8f/0x140 kernel/locking/spinlock.c:194 hardirqs last disabled at (214739): [] sysvec_apic_timer_interrupt+0xe/0xb0 arch/x86/kernel/apic/apic.c:1109 softirqs last enabled at (314): [] do_softirq+0x11b/0x1e0 kernel/softirq.c:454 softirqs last disabled at (334): [] spin_lock_bh include/linux/spinlock.h:356 [inline] softirqs last disabled at (334): [] dev_reset_queue+0xf8/0x1a0 net/sched/sch_generic.c:1291 CPU: 1 PID: 17031 Comm: syz-executor.2 Not tainted 6.5.0-rc2-syzkaller-00052-gbfa3037d8280 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023 RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0xd8/0x140 kernel/locking/spinlock.c:194 Code: 9c 8f 44 24 20 42 80 3c 23 00 74 08 4c 89 f7 e8 8e 3b 1e f7 f6 44 24 21 02 75 4e 41 f7 c7 00 02 00 00 74 01 fb bf 01 00 00 00 53 a8 98 f6 65 8b 05 94 30 3d 75 85 c0 74 3f 48 c7 04 24 0e 36 RSP: 0018:ffffc900047e6d00 EFLAGS: 00000206 RAX: 23c4ae4c408ca400 RBX: 1ffff920008fcda4 RCX: ffffffff816c2c6a RDX: dffffc0000000000 RSI: ffffffff8b0a9040 RDI: 0000000000000001 RBP: ffffc900047e6d98 R08: ffffffff907b13c7 R09: 1ffffffff20f6278 R10: dffffc0000000000 R11: fffffbfff20f6279 R12: dffffc0000000000 R13: 1ffff920008fcda0 R14: ffffc900047e6d20 R15: 0000000000000246 FS: 00007f6e8939c6c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c000d68cf0 CR3: 0000000021a21000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: unlock_hrtimer_base kernel/time/hrtimer.c:1020 [inline] hrtimer_try_to_cancel+0x3b6/0x410 kernel/time/hrtimer.c:1339 hrtimer_cancel+0x3b/0x50 kernel/time/hrtimer.c:1446 taprio_reset+0x6d/0x190 net/sched/sch_taprio.c:2011 qdisc_reset+0xff/0x570 net/sched/sch_generic.c:1022 dev_reset_queue+0x100/0x1a0 net/sched/sch_generic.c:1293 netdev_for_each_tx_queue include/linux/netdevice.h:2517 [inline] dev_deactivate_many+0x529/0xaf0 net/sched/sch_generic.c:1359 dev_deactivate+0x17b/0x270 net/sched/sch_generic.c:1382 qdisc_graft+0x8e4/0x1520 net/sched/sch_api.c:1108 tc_modify_qdisc+0xf5d/0x1db0 net/sched/sch_api.c:1731 rtnetlink_rcv_msg+0x82b/0xf50 net/core/rtnetlink.c:6424 netlink_rcv_skb+0x1df/0x430 net/netlink/af_netlink.c:2549 netlink_unicast_kernel net/netlink/af_netlink.c:1339 [inline] netlink_unicast+0x7c3/0x990 net/netlink/af_netlink.c:1365 netlink_sendmsg+0xa2a/0xd60 net/netlink/af_netlink.c:1914 sock_sendmsg_nosec net/socket.c:725 [inline] sock_sendmsg net/socket.c:748 [inline] ____sys_sendmsg+0x592/0x890 net/socket.c:2494 ___sys_sendmsg net/socket.c:2548 [inline] __sys_sendmsg+0x2b0/0x3a0 net/socket.c:2577 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f6e8867cb29 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:00007f6e8939c0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f6e8879bf80 RCX: 00007f6e8867cb29 RDX: 0000000000000000 RSI: 00000000200007c0 RDI: 0000000000000004 RBP: 00007f6e886c847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f6e8879bf80 R15: 00007ffc5733ba48 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 17034 Comm: syz-executor.5 Not tainted 6.5.0-rc2-syzkaller-00052-gbfa3037d8280 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023 RIP: 0010:do_raw_spin_lock+0x0/0x3a0 kernel/locking/spinlock_debug.c:113 Code: f5 77 00 e9 67 ff ff ff 89 d9 80 e1 07 80 c1 03 38 c1 7c 95 48 89 df e8 fe f4 77 00 eb 8b 66 2e 0f 1f 84 00 00 00 00 00 66 90 0f 1e fa 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4 e0 48 RSP: 0018:ffffc90000007698 EFLAGS: 00000096 RAX: 163dbf5b686e6200 RBX: 1ffff92000000ed8 RCX: ffffffff816b75c5 RDX: 0000000000000000 RSI: ffffffff8b0aa1c0 RDI: ffff8880b982b740 RBP: ffffc90000007730 R08: dffffc0000000000 R09: 1ffffffff20f6261 R10: dffffc0000000000 R11: fffffbfff20f6262 R12: ffff8880b982b740 R13: 1ffff92000000ed4 R14: ffffc900000076c0 R15: dffffc0000000000 FS: 00007f79aa69d6c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f79a01fee00 CR3: 0000000077315000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __raw_spin_lock_irq include/linux/spinlock_api_smp.h:120 [inline] _raw_spin_lock_irq+0xdf/0x120 kernel/locking/spinlock.c:170 __run_hrtimer kernel/time/hrtimer.c:1692 [inline] __hrtimer_run_queues+0x66c/0xd10 kernel/time/hrtimer.c:1752 hrtimer_interrupt+0x396/0x980 kernel/time/hrtimer.c:1814 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1098 [inline] __sysvec_apic_timer_interrupt+0x13f/0x480 arch/x86/kernel/apic/apic.c:1115 sysvec_apic_timer_interrupt+0x42/0xb0 arch/x86/kernel/apic/apic.c:1109 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645 RIP: 0010:native_safe_halt arch/x86/include/asm/irqflags.h:48 [inline] RIP: 0010:arch_safe_halt arch/x86/include/asm/irqflags.h:86 [inline] RIP: 0010:kvm_wait+0x1c0/0x200 arch/x86/kernel/kvm.c:1060 Code: 03 42 0f b6 04 28 84 c0 75 46 45 0f b6 34 24 e8 96 6f 56 00 44 3a 74 24 1c 75 14 66 90 0f 00 2d 96 c1 cb 09 f3 0f 1e fa fb f4 c0 fe ff ff fb e9 ba fe ff ff 44 89 e1 80 e1 07 38 c1 0f 8c 4c RSP: 0018:ffffc90000007aa0 EFLAGS: 00000246 RAX: 163dbf5b686e6200 RBX: 1ffff92000000f58 RCX: ffffffff816c2c6a RDX: dffffc0000000000 RSI: ffffffff8b0a9040 RDI: ffffffff8b58a540 RBP: ffffc90000007b70 R08: ffffffff907b13c7 R09: 1ffffffff20f6278 R10: dffffc0000000000 R11: fffffbfff20f6279 R12: ffff88803b0da0f0 R13: dffffc0000000000 R14: 0000000000000003 R15: ffffc90000007ae0 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+0x6ff/0xc50 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+0x297/0x3a0 kernel/locking/spinlock_debug.c:115 spin_lock include/linux/spinlock.h:351 [inline] net_tx_action+0x7d7/0xa00 net/core/dev.c:5033 __do_softirq+0x2ab/0x908 kernel/softirq.c:553 invoke_softirq kernel/softirq.c:427 [inline] __irq_exit_rcu+0xf1/0x1b0 kernel/softirq.c:632 irq_exit_rcu+0x9/0x20 kernel/softirq.c:644 sysvec_apic_timer_interrupt+0x95/0xb0 arch/x86/kernel/apic/apic.c:1109 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645 RIP: 0010:preempt_count_sub+0xf2/0x160 kernel/sched/core.c:5880 Code: 83 3d 39 60 39 0d 00 75 95 48 c7 c7 80 23 0a 8b 48 c7 c6 60 24 0a 8b e8 2c f3 f3 ff 0f 0b e9 7b ff ff ff 48 c7 c1 60 92 fa 91 <80> e1 07 80 c1 03 38 c1 0f 8c 2b ff ff ff 48 c7 c7 60 92 fa 91 e8 RSP: 0018:ffffc90004546cf8 EFLAGS: 00000202 RAX: 0000000000000004 RBX: 0000000000000001 RCX: ffffffff91fa9260 RDX: dffffc0000000000 RSI: ffffc90004540000 RDI: 0000000000000001 RBP: ffffc90004546de0 R08: ffffc900045470f0 R09: 0000000000000000 R10: ffffc90004546e30 R11: fffff520008a8dc8 R12: 1ffffffff1e41c16 R13: 1ffff920008a8dbd R14: dffffc0000000000 R15: ffffc90004547100 unwind_next_frame+0x1a0d/0x2390 arch/x86/kernel/unwind_orc.c:672 arch_stack_walk+0x111/0x140 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x117/0x1c0 kernel/stacktrace.c:122 save_stack+0xfa/0x1e0 mm/page_owner.c:128 __set_page_owner+0x29/0x380 mm/page_owner.c:192 set_page_owner include/linux/page_owner.h:31 [inline] post_alloc_hook+0x1e6/0x210 mm/page_alloc.c:1570 prep_new_page mm/page_alloc.c:1577 [inline] get_page_from_freelist+0x31e8/0x3370 mm/page_alloc.c:3221 __alloc_pages+0x255/0x670 mm/page_alloc.c:4477 __folio_alloc+0x13/0x30 mm/page_alloc.c:4509 vma_alloc_folio+0x48a/0x9a0 mm/mempolicy.c:2240 shmem_alloc_folio mm/shmem.c:1579 [inline] shmem_alloc_and_acct_folio+0x5e7/0xe10 mm/shmem.c:1603 shmem_get_folio_gfp+0x120f/0x3470 mm/shmem.c:1948 shmem_get_folio mm/shmem.c:2079 [inline] shmem_write_begin+0x172/0x4e0 mm/shmem.c:2573 generic_perform_write+0x31b/0x630 mm/filemap.c:3923 generic_file_write_iter+0xaf/0x310 mm/filemap.c:4044 call_write_iter include/linux/fs.h:1871 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x782/0xaf0 fs/read_write.c:584 ksys_write+0x1a0/0x2c0 fs/read_write.c:637 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f79a987b86f Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 b9 80 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 0c 81 02 00 48 RSP: 002b:00007f79aa69ce70 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000200000 RCX: 00007f79a987b86f RDX: 0000000000200000 RSI: 00007f799ffff000 RDI: 0000000000000003 RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000001f720 R10: 0000000000003ffc R11: 0000000000000293 R12: 0000000000000003 R13: 00007f79aa69cf3c R14: 00007f79aa69cf40 R15: 00007f799ffff000