BUG: soft lockup in tcp_write

Kernel	Title	Count	Last	Reported	Patched	Status
linux-4.19	BUG: soft lockup in tcp_write_timer (3)	2	475d	488d	0/1	upstream: reported on 2022/12/17 21:41
linux-4.14	BUG: soft lockup in tcp_write_timer	2	1442d	1521d	0/1	auto-closed as invalid on 2020/09/05 12:42
linux-4.19	BUG: soft lockup in tcp_write_timer (2)	2	885d	948d	0/1	auto-closed as invalid on 2022/03/16 10:56
linux-4.19	BUG: soft lockup in tcp_write_timer	1	1114d	1114d	0/1	auto-closed as invalid on 2021/07/30 14:52
upstream	BUG: soft lockup in tcp_write_timer net	11	1721d	1729d	0/26	auto-closed as invalid on 2019/10/25 14:11
upstream	BUG: soft lockup in tcp_write_timer (3) net	6	101d	209d	0/26	closed as invalid on 2024/03/18 17:07
upstream	INFO: rcu detected stall in tcp_write_timer (2) bpf	2	1172d	1227d	0/26	auto-closed as invalid on 2021/05/03 11:59
upstream	INFO: rcu detected stall in tcp_write_timer (3) net	1	1039d	1039d	0/26	auto-closed as invalid on 2021/09/13 13:17

watchdog: BUG: soft lockup - CPU#0 stuck for 143s! [swapper/0:0] Modules linked in: irq event stamp: 10968 hardirqs last enabled at (10967): [<ffffffff816e53b1>] tick_nohz_idle_exit+0x161/0x4a0 kernel/time/tick-sched.c:1350 hardirqs last disabled at (10968): [<ffffffff896f9da4>] __schedule+0x1974/0x4cc0 kernel/sched/core.c:6317 softirqs last enabled at (10938): [<ffffffff81483453>] invoke_softirq kernel/softirq.c:432 [inline] softirqs last enabled at (10938): [<ffffffff81483453>] __irq_exit_rcu+0x123/0x180 kernel/softirq.c:637 softirqs last disabled at (10895): [<ffffffff81483453>] invoke_softirq kernel/softirq.c:432 [inline] softirqs last disabled at (10895): [<ffffffff81483453>] __irq_exit_rcu+0x123/0x180 kernel/softirq.c:637 CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.18.0-rc3-next-20220422-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:kvm_wait+0x98/0x100 arch/x86/kernel/kvm.c:1058 Code: fa 83 e2 07 38 d0 7f 04 84 c0 75 63 0f b6 07 40 38 c6 74 35 48 83 c4 10 c3 c3 e8 23 91 4b 00 eb 07 0f 00 2d da b1 94 08 fb f4 <48> 83 c4 10 c3 89 74 24 0c 48 89 3c 24 e8 56 8f 4b 00 8b 74 24 0c RSP: 0018:ffffc90000007b80 EFLAGS: 00000246 RAX: 0000000000000007 RBX: 0000000000000000 RCX: 1ffffffff1b73199 RDX: 0000000000000000 RSI: ffffffff81807171 RDI: ffffffff8134dffd RBP: ffff888076ba9898 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff81807158 R11: 0000000000000000 R12: 0000000000000000 R13: ffffed100ed75313 R14: 0000000000000001 R15: ffff8880b9c3ae40 FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c002b68000 CR3: 000000007a8f5000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <IRQ> pv_wait arch/x86/include/asm/paravirt.h:603 [inline] pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:470 [inline] __pv_queued_spin_lock_slowpath+0x8c7/0xb50 kernel/locking/qspinlock.c:511 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:591 [inline] queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:51 [inline] queued_spin_lock include/asm-generic/qspinlock.h:85 [inline] do_raw_spin_lock+0x200/0x2a0 kernel/locking/spinlock_debug.c:115 spin_lock include/linux/spinlock.h:354 [inline] tcp_write_timer+0x26/0x2b0 net/ipv4/tcp_timer.c:640 call_timer_fn+0x1a5/0x6b0 kernel/time/timer.c:1444 expire_timers kernel/time/timer.c:1489 [inline] __run_timers.part.0+0x679/0xa80 kernel/time/timer.c:1760 __run_timers kernel/time/timer.c:1738 [inline] run_timer_softirq+0xb3/0x1d0 kernel/time/timer.c:1773 __do_softirq+0x29b/0x9c2 kernel/softirq.c:558 invoke_softirq kernel/softirq.c:432 [inline] __irq_exit_rcu+0x123/0x180 kernel/softirq.c:637 irq_exit_rcu+0x5/0x20 kernel/softirq.c:649 sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1106 </IRQ> <TASK> asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:649 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:acpi_safe_halt drivers/acpi/processor_idle.c:117 [inline] RIP: 0010:acpi_idle_do_entry+0x1c6/0x250 drivers/acpi/processor_idle.c:559 Code: 89 de e8 5d 0c 09 f8 84 db 75 ac e8 74 08 09 f8 e8 6f 5a 0f f8 eb 0c e8 68 08 09 f8 0f 00 2d a1 0d c2 00 e8 5c 08 09 f8 fb f4 <9c> 5b 81 e3 00 02 00 00 fa 31 ff 48 89 de e8 d7 0a 09 f8 48 85 db RSP: 0018:ffffffff8ba07d38 EFLAGS: 00000293 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffffffff8babc880 RSI: ffffffff897116c4 RDI: ffffffff897116b1 RBP: ffff8880162f7864 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff81807158 R11: 0000000000000000 R12: 0000000000000001 R13: ffff8880162f7800 R14: ffff8880162f7864 R15: ffff8881471e1004 acpi_idle_enter+0x369/0x510 drivers/acpi/processor_idle.c:696 cpuidle_enter_state+0x1b1/0xc80 drivers/cpuidle/cpuidle.c:237 cpuidle_enter+0x4a/0xa0 drivers/cpuidle/cpuidle.c:351 call_cpuidle kernel/sched/idle.c:155 [inline] cpuidle_idle_call kernel/sched/idle.c:236 [inline] do_idle+0x3e8/0x590 kernel/sched/idle.c:303 cpu_startup_entry+0x14/0x20 kernel/sched/idle.c:400 rest_init+0x169/0x270 init/main.c:728 arch_call_rest_init+0xf/0x14 init/main.c:885 start_kernel+0x47f/0x4a0 init/main.c:1143 secondary_startup_64_no_verify+0xce/0xdb </TASK> Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 3541 Comm: syz-fuzzer Not tainted 5.18.0-rc3-next-20220422-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:kvm_wait+0x98/0x100 arch/x86/kernel/kvm.c:1058 Code: fa 83 e2 07 38 d0 7f 04 84 c0 75 63 0f b6 07 40 38 c6 74 35 48 83 c4 10 c3 c3 e8 23 91 4b 00 eb 07 0f 00 2d da b1 94 08 fb f4 <48> 83 c4 10 c3 89 74 24 0c 48 89 3c 24 e8 56 8f 4b 00 8b 74 24 0c RSP: 0000:ffffc90000ddfd20 EFLAGS: 00000246 RAX: 0000000000000007 RBX: 0000000000000000 RCX: 1ffffffff1b73199 RDX: 0000000000000000 RSI: ffffffff81807171 RDI: ffffffff8134dffd RBP: ffff88802431a6c8 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff81807158 R11: 0000000000000001 R12: 0000000000000000 R13: ffffed10048634d9 R14: 0000000000000001 R15: ffff8880b9d3ae40 FS: 000000c000032890(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c002b80000 CR3: 000000007a8f5000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <IRQ> pv_wait arch/x86/include/asm/paravirt.h:603 [inline] pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:470 [inline] __pv_queued_spin_lock_slowpath+0x8c7/0xb50 kernel/locking/qspinlock.c:511 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:591 [inline] queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:51 [inline] queued_spin_lock include/asm-generic/qspinlock.h:85 [inline] do_raw_spin_lock+0x200/0x2a0 kernel/locking/spinlock_debug.c:115 spin_lock include/linux/spinlock.h:354 [inline] task_lock include/linux/sched/task.h:170 [inline] __get_task_comm+0x23/0x50 fs/exec.c:1219 __set_page_owner_handle mm/page_owner.c:174 [inline] __set_page_owner+0x253/0x380 mm/page_owner.c:192 prep_new_page mm/page_alloc.c:2394 [inline] get_page_from_freelist+0xba2/0x3e00 mm/page_alloc.c:4135 __alloc_pages+0x1b2/0x500 mm/page_alloc.c:5356 alloc_pages+0x1aa/0x310 mm/mempolicy.c:2273 alloc_slab_page mm/slub.c:1797 [inline] allocate_slab+0x26c/0x3c0 mm/slub.c:1942 new_slab mm/slub.c:2002 [inline] ___slab_alloc+0x985/0xd90 mm/slub.c:3002 __slab_alloc.constprop.0+0x4d/0xa0 mm/slub.c:3089 slab_alloc_node mm/slub.c:3180 [inline] kmem_cache_alloc_node+0x122/0x3f0 mm/slub.c:3264 __alloc_skb+0x215/0x340 net/core/skbuff.c:414 alloc_skb include/linux/skbuff.h:1337 [inline] __tcp_send_ack.part.0+0x67/0x760 net/ipv4/tcp_output.c:3944 __tcp_send_ack net/ipv4/tcp_output.c:3976 [inline] tcp_send_ack+0x7d/0xa0 net/ipv4/tcp_output.c:3976 __tcp_ack_snd_check+0x156/0x9c0 net/ipv4/tcp_input.c:5493 tcp_rcv_established+0x18cc/0x2030 net/ipv4/tcp_input.c:5935 tcp_v4_do_rcv+0x66c/0x980 net/ipv4/tcp_ipv4.c:1660 tcp_v4_rcv+0x380f/0x3bc0 net/ipv4/tcp_ipv4.c:2074 ip_protocol_deliver_rcu+0xa3/0xb30 net/ipv4/ip_input.c:205 ip_local_deliver_finish+0x2ee/0x4c0 net/ipv4/ip_input.c:233 NF_HOOK include/linux/netfilter.h:307 [inline] NF_HOOK include/linux/netfilter.h:301 [inline] ip_local_deliver+0x1b3/0x200 net/ipv4/ip_input.c:254 dst_input include/net/dst.h:461 [inline] ip_sublist_rcv_finish+0x9a/0x2c0 net/ipv4/ip_input.c:568 ip_list_rcv_finish net/ipv4/ip_input.c:618 [inline] ip_sublist_rcv+0x538/0x990 net/ipv4/ip_input.c:626 ip_list_rcv+0x31a/0x470 net/ipv4/ip_input.c:661 __netif_receive_skb_list_ptype net/core/dev.c:5478 [inline] __netif_receive_skb_list_core+0x548/0x8f0 net/core/dev.c:5526 __netif_receive_skb_list net/core/dev.c:5578 [inline] netif_receive_skb_list_internal+0x75e/0xd80 net/core/dev.c:5669 gro_normal_list include/net/gro.h:430 [inline] gro_normal_list include/net/gro.h:426 [inline] napi_complete_done+0x1f1/0x880 net/core/dev.c:6010 virtqueue_napi_complete drivers/net/virtio_net.c:366 [inline] virtnet_poll+0xc9b/0x11a0 drivers/net/virtio_net.c:1613 __napi_poll+0xb3/0x6e0 net/core/dev.c:6443 napi_poll net/core/dev.c:6510 [inline] net_rx_action+0x8ec/0xc60 net/core/dev.c:6597 __do_softirq+0x29b/0x9c2 kernel/softirq.c:558 invoke_softirq kernel/softirq.c:432 [inline] __irq_exit_rcu+0x123/0x180 kernel/softirq.c:637 irq_exit_rcu+0x5/0x20 kernel/softirq.c:649 common_interrupt+0xa9/0xc0 arch/x86/kernel/irq.c:240 </IRQ> <TASK> asm_common_interrupt+0x1e/0x40 arch/x86/include/asm/idtentry.h:640 RIP: 0010:arch_atomic_read arch/x86/include/asm/atomic.h:29 [inline] RIP: 0010:atomic_read include/linux/atomic/atomic-instrumented.h:28 [inline] RIP: 0010:queued_spin_is_locked include/asm-generic/qspinlock.h:28 [inline] RIP: 0010:debug_spin_unlock kernel/locking/spinlock_debug.c:100 [inline] RIP: 0010:do_raw_spin_unlock+0x61/0x230 kernel/locking/spinlock_debug.c:140 Code: 7d 04 ad 4e ad de 0f 85 73 01 00 00 be 04 00 00 00 48 89 ef e8 a0 08 68 00 48 89 ea 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <0f> b6 14 02 48 89 e8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 6a RSP: 0000:ffffc90002e1f940 EFLAGS: 00000a02 RAX: dffffc0000000000 RBX: ffff888024319d80 RCX: ffffffff815ea4d0 RDX: 1ffff110048634d9 RSI: 0000000000000004 RDI: ffff88802431a6c8 RBP: ffff88802431a6c8 R08: 0000000000000000 R09: ffff88802431a6cb R10: ffffed10048634d9 R11: 0000000000000001 R12: ffff8880137362a8 R13: 0000000000000010 R14: ffff888013736288 R15: 0000000000000007 __raw_spin_unlock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_unlock+0x1a/0x40 kernel/locking/spinlock.c:186 spin_unlock include/linux/spinlock.h:394 [inline] task_unlock include/linux/sched/task.h:175 [inline] __get_task_comm+0x3d/0x50 fs/exec.c:1222 __set_page_owner_handle mm/page_owner.c:174 [inline] __set_page_owner+0x253/0x380 mm/page_owner.c:192 prep_new_page mm/page_alloc.c:2394 [inline] get_page_from_freelist+0xba2/0x3e00 mm/page_alloc.c:4135 __alloc_pages+0x1b2/0x500 mm/page_alloc.c:5356 alloc_pages_vma+0xf9/0x770 mm/mempolicy.c:2221 do_anonymous_page mm/memory.c:4077 [inline] handle_pte_fault mm/memory.c:4902 [inline] __handle_mm_fault+0x1a24/0x33d0 mm/memory.c:5043 handle_mm_fault+0x1c8/0x790 mm/memory.c:5141 do_user_addr_fault+0x489/0x11c0 arch/x86/mm/fault.c:1397 handle_page_fault arch/x86/mm/fault.c:1484 [inline] exc_page_fault+0x9e/0x180 arch/x86/mm/fault.c:1540 asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:570 RIP: 0033:0x465d5c Code: 4c 01 de 48 29 c3 c5 fe 6f 06 c5 fe 6f 4e 20 c5 fe 6f 56 40 c5 fe 6f 5e 60 48 01 c6 c5 fd 7f 07 c5 fd 7f 4f 20 c5 fd 7f 57 40 <c5> fd 7f 5f 60 48 01 c7 48 29 c3 77 cf 48 01 c3 48 01 fb c4 c1 7e RSP: 002b:000000c00059bc08 EFLAGS: 00010202 RAX: 0000000000000080 RBX: 000000000000007b RCX: 000000c000548000 RDX: 000000c000540000 RSI: 000000c000547f85 RDI: 000000c002b7ffa0 RBP: 000000c00059bc38 R08: 000000c000540000 R09: 0000000000007b89 R10: 000000c002b7809b R11: 0000000000000005 R12: 0000000000007ffd R13: 0000000000007ff3 R14: 000000c000262ea0 R15: 0000000000000002 </TASK> ---------------- Code disassembly (best guess): 0: fa cli 1: 83 e2 07 and $0x7,%edx 4: 38 d0 cmp %dl,%al 6: 7f 04 jg 0xc 8: 84 c0 test %al,%al a: 75 63 jne 0x6f c: 0f b6 07 movzbl (%rdi),%eax f: 40 38 c6 cmp %al,%sil 12: 74 35 je 0x49 14: 48 83 c4 10 add $0x10,%rsp 18: c3 retq 19: c3 retq 1a: e8 23 91 4b 00 callq 0x4b9142 1f: eb 07 jmp 0x28 21: 0f 00 2d da b1 94 08 verw 0x894b1da(%rip) # 0x894b202 28: fb sti 29: f4 hlt * 2a: 48 83 c4 10 add $0x10,%rsp <-- trapping instruction 2e: c3 retq 2f: 89 74 24 0c mov %esi,0xc(%rsp) 33: 48 89 3c 24 mov %rdi,(%rsp) 37: e8 56 8f 4b 00 callq 0x4b8f92 3c: 8b 74 24 0c mov 0xc(%rsp),%esi