RBP: 00007fdee6dd149e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fdee6eb2f80 R15: 00007ffd358d7968 watchdog: BUG: soft lockup - CPU#1 stuck for 246s! [syz-executor.4:2157] Modules linked in: CPU: 1 PID: 2157 Comm: syz-executor.4 Not tainted 5.15.149-syzkaller-00490-g5d96939590c0 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 RIP: 0010:pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:434 [inline] RIP: 0010:__pv_queued_spin_lock_slowpath+0x5ba/0xc40 kernel/locking/qspinlock.c:508 Code: 00 00 49 89 dc c6 03 00 48 8b 44 24 10 0f b6 04 10 84 c0 0f 85 48 01 00 00 48 8b 44 24 08 c6 00 01 bb 00 80 ff ff eb 06 f3 90 c3 74 5e 41 0f b6 44 15 00 84 c0 75 36 41 80 3f 00 75 ea 4c 89 RSP: 0018:ffffc900001d0040 EFLAGS: 00000206 RAX: 0000000000000000 RBX: 00000000ffffc1a1 RCX: ffffffff8154fa7f RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffff888118ace208 RBP: ffffc900001d0130 R08: dffffc0000000000 R09: ffffed1023159c42 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881f7137ed4 R13: 1ffff11023159c41 R14: 1ffff1103ee20001 R15: ffff888118ace208 FS: 00007fdee5af86c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000100000000 CR3: 000000012a394000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:585 [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 include/linux/spinlock.h:187 [inline] __raw_spin_lock include/linux/spinlock_api_smp.h:143 [inline] _raw_spin_lock+0x139/0x1b0 kernel/locking/spinlock.c:154 tcp_v4_rcv+0x229e/0x2a70 net/ipv4/tcp_ipv4.c:2119 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] napi_complete_done+0x344/0x770 net/core/dev.c:6618 virtqueue_napi_complete drivers/net/virtio_net.c:357 [inline] virtnet_poll+0xbee/0x1260 drivers/net/virtio_net.c:1592 __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 common_interrupt+0xb4/0xd0 arch/x86/kernel/irq.c:240 asm_common_interrupt+0x27/0x40 arch/x86/include/asm/idtentry.h:629 RIP: 0010:ext4_do_update_inode fs/ext4/inode.c:5221 [inline] RIP: 0010:ext4_mark_iloc_dirty+0x301a/0x3f40 fs/ext4/inode.c:5791 Code: 49 8b 1f 48 8d 7b 60 be 04 00 00 00 e8 ef 76 ca ff f0 ff 4b 60 8b 45 cc 48 81 c4 e0 00 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 11 52 88 ff c7 45 cc 00 00 00 00 eb 92 e8 03 52 88 ff 4c 89 f8 RSP: 0018:ffffc9000544f4e8 EFLAGS: 00000246 RAX: 0000000000000002 RBX: 0000000000000000 RCX: 0000000000040000 RDX: ffff88812ed162c0 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc9000544f5f0 R08: ffffffff81e7d382 R09: ffffed10254b4a45 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88812a5a5350 R13: dffffc0000000000 R14: 000000000000013e R15: ffffc9000544f6b0 __ext4_mark_inode_dirty+0x524/0x7a0 fs/ext4/inode.c:5995 ext4_alloc_file_blocks+0x74e/0xcd0 fs/ext4/extents.c:4498 ext4_fallocate+0x949/0x1f10 fs/ext4/extents.c:4761 vfs_fallocate+0x492/0x570 fs/open.c:309 do_vfs_ioctl+0x2238/0x2a80 fs/ioctl.c:853 __do_sys_ioctl fs/ioctl.c:872 [inline] __se_sys_ioctl+0x99/0x190 fs/ioctl.c:860 __x64_sys_ioctl+0x7b/0x90 fs/ioctl.c:860 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fdee6d84d69 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:00007fdee5af80c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fdee6eb2f80 RCX: 00007fdee6d84d69 RDX: 0000000020000040 RSI: 000000004030582a RDI: 000000000000000b RBP: 00007fdee6dd149e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fdee6eb2f80 R15: 00007ffd358d7968 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 302 Comm: syz-executor.0 Not tainted 5.15.149-syzkaller-00490-g5d96939590c0 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 RIP: 0010:native_halt arch/x86/include/asm/irqflags.h:57 [inline] RIP: 0010:halt arch/x86/include/asm/irqflags.h:98 [inline] RIP: 0010:kvm_wait+0x117/0x180 arch/x86/kernel/kvm.c:912 Code: 48 c1 e8 03 42 0f b6 04 20 84 c0 44 8b 74 24 1c 75 53 41 0f b6 45 00 44 38 f0 0f 85 63 ff ff ff 66 90 0f 00 2d 8a 03 f3 03 f4 54 ff ff ff fa 4c 89 e8 48 c1 e8 03 42 0f b6 04 20 84 c0 44 8b RSP: 0018:ffffc90000006960 EFLAGS: 00000046 RAX: 0000000000000003 RBX: 1ffff92000000d30 RCX: ffffffff8154fa7f RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffff8881f7036cc0 RBP: ffffc90000006a10 R08: dffffc0000000000 R09: ffffed103ee06d99 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffff8881f7036cc0 R14: 0000000000000003 R15: 1ffff92000000d34 FS: 000055555692d480(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055555693e858 CR3: 0000000123844000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: pv_wait arch/x86/include/asm/paravirt.h:597 [inline] pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:470 [inline] __pv_queued_spin_lock_slowpath+0x6bc/0xc40 kernel/locking/qspinlock.c:508 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:585 [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 include/linux/spinlock.h:187 [inline] __raw_spin_lock include/linux/spinlock_api_smp.h:143 [inline] _raw_spin_lock+0x139/0x1b0 kernel/locking/spinlock.c:154 raw_spin_rq_lock_nested kernel/sched/core.c:489 [inline] raw_spin_rq_lock kernel/sched/sched.h:1352 [inline] rq_lock kernel/sched/sched.h:1660 [inline] ttwu_queue kernel/sched/core.c:3908 [inline] try_to_wake_up+0x625/0x1160 kernel/sched/core.c:4251 wake_up_process+0x10/0x20 kernel/sched/core.c:4322 hrtimer_wakeup+0x62/0x80 kernel/time/hrtimer.c:1939 __run_hrtimer kernel/time/hrtimer.c:1685 [inline] __hrtimer_run_queues+0x41a/0xad0 kernel/time/hrtimer.c:1749 hrtimer_interrupt+0x40c/0xaa0 kernel/time/hrtimer.c:1811 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1085 [inline] __sysvec_apic_timer_interrupt+0xfd/0x3c0 arch/x86/kernel/apic/apic.c:1102 sysvec_apic_timer_interrupt+0x44/0xc0 arch/x86/kernel/apic/apic.c:1096 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:638 RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x60 kernel/kcov.c:190 Code: 00 00 00 0f 0b 0f 1f 44 00 00 55 48 89 e5 53 48 89 fb e8 13 00 00 00 48 8b 3d 64 23 96 05 48 89 de e8 d4 5f 41 00 5b 5d c3 cc <55> 48 89 e5 48 8b 45 08 65 48 8b 0d 40 47 92 7e 65 8b 15 41 47 92 RSP: 0018:ffffc90000007050 EFLAGS: 00000246 RAX: ffff888113b640fe RBX: 0000000000000000 RCX: ffff88811ece4f00 RDX: 0000000080000507 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc900000070d8 R08: ffffffff846a12df R09: ffffed102276c855 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888128d8d780 R13: dffffc0000000000 R14: ffff888128d8d860 R15: 1ffff110251b1b0c dev_queue_xmit_nit+0x9a4/0xa40 net/core/dev.c:2349 xmit_one net/core/dev.c:3619 [inline] dev_hard_start_xmit+0x149/0x620 net/core/dev.c:3640 sch_direct_xmit+0x298/0x9b0 net/sched/sch_generic.c:342 __dev_xmit_skb net/core/dev.c:3851 [inline] __dev_queue_xmit+0x161e/0x2e70 net/core/dev.c:4220 dev_queue_xmit+0x17/0x20 net/core/dev.c:4288 neigh_hh_output include/net/neighbour.h:501 [inline] neigh_output include/net/neighbour.h:515 [inline] ip_finish_output2+0xb9f/0xf60 net/ipv4/ip_output.c:228 __ip_finish_output+0x162/0x360 ip_finish_output+0x31/0x210 net/ipv4/ip_output.c:316 NF_HOOK_COND include/linux/netfilter.h:294 [inline] ip_output+0x1d6/0x420 net/ipv4/ip_output.c:430 dst_output include/net/dst.h:444 [inline] ip_local_out net/ipv4/ip_output.c:126 [inline] __ip_queue_xmit+0x1105/0x1c20 net/ipv4/ip_output.c:532 ip_queue_xmit+0x4c/0x70 net/ipv4/ip_output.c:546 __tcp_transmit_skb+0x1e84/0x3920 net/ipv4/tcp_output.c:1402 tcp_transmit_skb net/ipv4/tcp_output.c:1420 [inline] tcp_write_xmit+0x144a/0x5e80 net/ipv4/tcp_output.c:2705 tcp_tsq_write+0x228/0x330 net/ipv4/tcp_output.c:1019 tcp_tsq_handler+0xa9/0x150 net/ipv4/tcp_output.c:1028 tcp_tasklet_func+0x436/0x4b0 net/ipv4/tcp_output.c:1060 tasklet_action_common+0x22e/0x610 kernel/softirq.c:796 tasklet_action+0x4c/0x60 kernel/softirq.c:821 __do_softirq+0x26d/0x5bf kernel/softirq.c:565 do_softirq+0xf6/0x150 kernel/softirq.c:452 __local_bh_enable_ip+0x75/0x80 kernel/softirq.c:379 __raw_spin_unlock_bh include/linux/spinlock_api_smp.h:176 [inline] _raw_spin_unlock_bh+0x51/0x60 kernel/locking/spinlock.c:210 sock_hash_delete_elem+0x2a2/0x2f0 net/core/sock_map.c:945 bpf_prog_a24ed7a2496a1298+0x3d/0xa6c bpf_dispatcher_nop_func include/linux/bpf.h:785 [inline] __bpf_prog_run include/linux/filter.h:625 [inline] bpf_prog_run include/linux/filter.h:632 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:1883 [inline] bpf_trace_run3+0x11e/0x250 kernel/trace/bpf_trace.c:1921 __bpf_trace_sched_switch+0xb/0x10 include/trace/events/sched.h:220 __traceiter_sched_switch+0x85/0xc0 include/trace/events/sched.h:220 trace_sched_switch include/trace/events/sched.h:220 [inline] __schedule+0x134b/0x1590 kernel/sched/core.c:6509 preempt_schedule_irq+0xc7/0x140 kernel/sched/core.c:6916 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:ext4_search_dir fs/ext4/namei.c:1547 [inline] RIP: 0010:search_dirblock fs/ext4/namei.c:1299 [inline] RIP: 0010:__ext4_find_entry+0x16b7/0x1af0 fs/ext4/namei.c:1701 Code: 00 00 00 00 fc ff df 48 8d 9c 24 50 01 00 00 4c 8b 74 24 38 4c 8b 7c 24 20 e9 b9 00 00 00 e8 10 8d 81 ff 31 db e9 22 01 00 00 <48> c7 c7 53 9a f7 85 be 0c 06 00 00 48 8b 54 24 18 31 c9 4d 89 e0 RSP: 0018:ffffc90000a87820 EFLAGS: 00000202 RAX: 0000000000000001 RBX: 000000000000000c RCX: c76af04b31add300 RDX: ffff88811ece4f00 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90000a87a30 R08: ffffffff81cf97b6 R09: ffffc90000a87640 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88810d6c2018 R13: ffff88810d6c2ff7 R14: ffff88810d6c3000 R15: 0000000000000018 ext4_find_entry+0x24f/0x3a0 fs/ext4/namei.c:1750 __ext4_unlink+0xcc/0xae0 fs/ext4/namei.c:3246 ext4_unlink+0x142/0x3f0 fs/ext4/namei.c:3324 vfs_unlink+0x38c/0x630 fs/namei.c:4280 do_unlinkat+0x483/0x920 fs/namei.c:4348 __do_sys_unlink fs/namei.c:4396 [inline] __se_sys_unlink fs/namei.c:4394 [inline] __x64_sys_unlink+0x49/0x50 fs/namei.c:4394 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fdf3ec08517 Code: 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 57 00 00 00 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:00007ffc2db31bb8 EFLAGS: 00000206 ORIG_RAX: 0000000000000057 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdf3ec08517 RDX: 00007ffc2db31be0 RSI: 00007ffc2db31c70 RDI: 00007ffc2db31c70 RBP: 00007ffc2db31c70 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000100 R11: 0000000000000206 R12: 00007ffc2db32d30 R13: 00007fdf3ec54336 R14: 000000000000fb11 R15: 0000000000000018