watchdog: BUG: soft lockup - CPU#0 stuck for 123s! [syz.3.54:550]
Modules linked in:
CPU: 0 PID: 550 Comm: syz.3.54 Tainted: G        W         5.15.150-syzkaller-00330-g9044d25b8ff5 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
RIP: 0010:tcp_may_raise_cwnd net/ipv4/tcp_input.c:3492 [inline]
RIP: 0010:tcp_cong_control net/ipv4/tcp_input.c:3516 [inline]
RIP: 0010:tcp_ack+0x446b/0x68a0 net/ipv4/tcp_input.c:3931
Code: 44 24 08 48 8b 84 24 90 00 00 00 42 80 3c 30 00 4c 8b b4 24 88 00 00 00 74 08 4c 89 f7 e8 dd 9a 89 fd bb 30 04 00 00 49 03 1e <48> 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 0f b6 04 08 84
RSP: 0018:ffffc90000006a60 EFLAGS: 00000282
RAX: 1ffff1102308f13e RBX: ffffffff8734b1b0 RCX: 0000000000000020
RDX: ffff8881141113c0 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000006db0 R08: ffffffff8428d41c R09: 0000000000000003
R10: fffff52000000cf0 R11: dffffc0000000001 R12: 0000000000000002
R13: 0000000000001406 R14: ffff8881184789f0 R15: ffffffff87074400
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020001400 CR3: 000000011dcb2000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 tcp_rcv_established+0xcd6/0x1ac0 net/ipv4/tcp_input.c:5904
 tcp_v4_do_rcv+0x3d7/0xa00 net/ipv4/tcp_ipv4.c:1722
 tcp_v4_rcv+0x23dd/0x2a70 net/ipv4/tcp_ipv4.c:2125
 ip_protocol_deliver_rcu+0x32f/0x710 net/ipv4/ip_input.c:204
 ip_local_deliver_finish net/ipv4/ip_input.c:231 [inline]
 NF_HOOK include/linux/netfilter.h:305 [inline]
 ip_local_deliver+0x2c6/0x590 net/ipv4/ip_input.c:252
 dst_input include/net/dst.h:454 [inline]
 ip_sublist_rcv_finish net/ipv4/ip_input.c:577 [inline]
 ip_list_rcv_finish net/ipv4/ip_input.c:628 [inline]
 ip_sublist_rcv+0x7e2/0x980 net/ipv4/ip_input.c:636
 ip_list_rcv+0x422/0x470 net/ipv4/ip_input.c:671
 __netif_receive_skb_list_ptype net/core/dev.c:5535 [inline]
 __netif_receive_skb_list_core+0x6b1/0x890 net/core/dev.c:5583
 __netif_receive_skb_list net/core/dev.c:5635 [inline]
 netif_receive_skb_list_internal+0x967/0xcc0 net/core/dev.c:5726
 gro_normal_list net/core/dev.c:5880 [inline]
 gro_normal_one net/core/dev.c:5893 [inline]
 napi_skb_finish net/core/dev.c:6230 [inline]
 napi_gro_receive+0x45f/0x920 net/core/dev.c:6260
 receive_buf+0x37ce/0x5720 drivers/net/virtio_net.c:1208
 virtnet_receive drivers/net/virtio_net.c:1472 [inline]
 virtnet_poll+0x628/0x1260 drivers/net/virtio_net.c:1585
 __napi_poll+0xc4/0x5a0 net/core/dev.c:7042
 napi_poll net/core/dev.c:7109 [inline]
 net_rx_action+0x47d/0xc50 net/core/dev.c:7196
 __do_softirq+0x26d/0x5bf kernel/softirq.c:565
 invoke_softirq kernel/softirq.c:425 [inline]
 __irq_exit_rcu+0x50/0xf0 kernel/softirq.c:648
 irq_exit_rcu+0x9/0x10 kernel/softirq.c:660
 sysvec_apic_timer_interrupt+0x9a/0xc0 arch/x86/kernel/apic/apic.c:1096
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:preempt_schedule_irq+0xc2/0x140 kernel/sched/core.c:6916
Code: 4c 89 e7 e8 f0 f5 ea fc f6 44 24 21 02 74 0b 0f 0b 48 f7 03 08 00 00 00 74 4d bf 01 00 00 00 e8 a4 ad 84 fc fb bf 01 00 00 00 <e8> e9 e3 ff ff fa bf 01 00 00 00 e8 2e af 84 fc 65 48 8b 1d e6 f1
RSP: 0018:ffffc90000bd7480 EFLAGS: 00000246
RAX: 1ffff110228223ce RBX: 1ffff9200017ae94 RCX: ffffffff84c93900
RDX: 1ffff1102282227d RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffffc90000bd7508 R08: ffffffff87292000 R09: ffffffff87292008
R10: ffffffff87292018 R11: ffffffff87292010 R12: ffffc90000bd74a0
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff9200017ae90
 irqentry_exit_cond_resched+0x2a/0x30 kernel/entry/common.c:392
 irqentry_exit+0x30/0x40 kernel/entry/common.c:426
 sysvec_apic_timer_interrupt+0x55/0xc0 arch/x86/kernel/apic/apic.c:1096
 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:check_kcov_mode kernel/kcov.c:174 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x36/0x60 kernel/kcov.c:197
Code: d0 35 92 7e 65 8b 15 d1 35 92 7e f7 c2 00 01 ff 00 74 11 f7 c2 00 01 00 00 74 35 83 b9 5c 0b 00 00 00 74 2c 8b 91 38 0b 00 00 <83> fa 02 75 21 48 8b 91 40 0b 00 00 48 8b 32 48 8d 7e 01 8b 89 3c
RSP: 0018:ffffc90000bd7600 EFLAGS: 00000246
RAX: ffffffff81b7ffc7 RBX: ffff888103efb430 RCX: ffff8881141113c0
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff888103efb430
RBP: ffffc90000bd7600 R08: dffffc0000000000 R09: ffffed10207df681
R10: 0000000000000000 R11: dffffc0000000001 R12: 00000000ffffffff
R13: ffff888103efb420 R14: dffffc0000000000 R15: 0000000000000000
 rcu_read_unlock include/linux/rcupdate.h:737 [inline]
 page_ext_put+0x17/0x30 mm/page_ext.c:172
 __reset_page_owner+0x173/0x190 mm/page_owner.c:169
 reset_page_owner include/linux/page_owner.h:26 [inline]
 free_pages_prepare mm/page_alloc.c:1471 [inline]
 free_pcp_prepare mm/page_alloc.c:1543 [inline]
 free_unref_page_prepare+0x7c8/0x7d0 mm/page_alloc.c:3533
 free_unref_page+0xe8/0x750 mm/page_alloc.c:3615
 free_the_page mm/page_alloc.c:804 [inline]
 __free_pages+0x61/0xf0 mm/page_alloc.c:5852
 __vunmap+0x7bc/0x8f0 mm/vmalloc.c:2652
 __vfree mm/vmalloc.c:2700 [inline]
 vfree+0x7f/0xb0 mm/vmalloc.c:2731
 kcov_put kernel/kcov.c:408 [inline]
 kcov_close+0x2b/0x50 kernel/kcov.c:510
 __fput+0x3fe/0x910 fs/file_table.c:280
 ____fput+0x15/0x20 fs/file_table.c:308
 task_work_run+0x129/0x190 kernel/task_work.c:164
 exit_task_work include/linux/task_work.h:32 [inline]
 do_exit+0xc48/0x2ca0 kernel/exit.c:878
 do_group_exit+0x141/0x310 kernel/exit.c:1000
 get_signal+0x7a3/0x1630 kernel/signal.c:2896
 arch_do_signal_or_restart+0xbd/0x1680 arch/x86/kernel/signal.c:867
 handle_signal_work kernel/entry/common.c:148 [inline]
 exit_to_user_mode_loop+0xa0/0xe0 kernel/entry/common.c:172
 exit_to_user_mode_prepare+0x5a/0xa0 kernel/entry/common.c:208
 __syscall_exit_to_user_mode_work kernel/entry/common.c:290 [inline]
 syscall_exit_to_user_mode+0x26/0x160 kernel/entry/common.c:301
 do_syscall_64+0x49/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f5ad0ff6b99
Code: Unable to access opcode bytes at RIP 0x7f5ad0ff6b6f.
RSP: 002b:00007f5ad0257048 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: 0000000000000000 RBX: 00007f5ad1185078 RCX: 00007f5ad0ff6b99
RDX: 00000000200004c0 RSI: 0000000000005452 RDI: 0000000000000005
RBP: 00007f5ad107777e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f5ad1185078 R15: 00007ffcd23835d8
 </TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 15 Comm: rcub/0 Tainted: G        W         5.15.150-syzkaller-00330-g9044d25b8ff5 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
RIP: 0010:kasan_check_range+0x1bd/0x2a0 mm/kasan/generic.c:189
Code: 4d 89 d5 49 8d 5d 07 4d 85 ed 49 0f 49 dd 48 83 e3 f8 49 29 dd 74 12 41 80 39 00 0f 85 a6 00 00 00 49 ff c1 49 ff cd 75 ee 5b <41> 5c 41 5d 41 5e 41 5f 5d c3 45 84 f6 75 61 41 f7 c6 00 ff 00 00
RSP: 0018:ffffc900000f7bb0 EFLAGS: 00000256
RAX: 0000000000000001 RBX: ffff8881141113f4 RCX: ffffffff84c8932b
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff88810026bb40
RBP: ffffc900000f7bd0 R08: dffffc0000000000 R09: ffffed102004d769
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff1102004d768
R13: 0000000000000001 R14: ffffed102004d769 R15: ffffc900000f7ce0
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1b16a286e0 CR3: 0000000128739000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <TASK>
 __kasan_check_read+0x11/0x20 mm/kasan/shadow.c:31
 instrument_atomic_read include/linux/instrumented.h:71 [inline]
 test_bit include/asm-generic/bitops/instrumented-non-atomic.h:134 [inline]
 test_ti_thread_flag include/linux/thread_info.h:118 [inline]
 need_resched include/linux/sched.h:2155 [inline]
 rtmutex_spin_on_owner kernel/locking/rtmutex.c:1426 [inline]
 rt_mutex_slowlock_block+0x2eb/0x5a0 kernel/locking/rtmutex.c:1560
 __rt_mutex_slowlock kernel/locking/rtmutex.c:1628 [inline]
 __rt_mutex_slowlock_locked kernel/locking/rtmutex.c:1661 [inline]
 rt_mutex_slowlock+0x184/0x2f0 kernel/locking/rtmutex.c:1690
 __rt_mutex_lock kernel/locking/rtmutex.c:1702 [inline]
 __rt_mutex_lock_common kernel/locking/rtmutex_api.c:30 [inline]
 rt_mutex_lock+0x14a/0x210 kernel/locking/rtmutex_api.c:66
 rcu_boost kernel/rcu/tree_plugin.h:1060 [inline]
 rcu_boost_kthread+0x231/0x6e0 kernel/rcu/tree_plugin.h:1085
 kthread+0x421/0x510 kernel/kthread.c:337
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
 </TASK>