watchdog: BUG: soft lockup - CPU#0 stuck for 226s! [syz-executor.3:11717] Modules linked in: CPU: 0 PID: 11717 Comm: syz-executor.3 Tainted: G W 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_node kernel/locking/qspinlock_paravirt.h:301 [inline] RIP: 0010:__pv_queued_spin_lock_slowpath+0x38b/0xc40 kernel/locking/qspinlock.c:473 Code: 00 00 00 00 00 fc ff df 41 0f b6 04 16 84 c0 0f 85 ac 00 00 00 48 8b 44 24 08 83 38 00 0f 85 15 01 00 00 45 84 e4 74 09 f3 90 <41> ff cc 75 d9 eb 1b 48 8b 44 24 20 0f b6 04 10 84 c0 0f 85 cd 00 RSP: 0018:ffffc90000006880 EFLAGS: 00000202 RAX: ffff8881f7037ec8 RBX: ffff8881f7037ed4 RCX: 0000000000000000 RDX: dffffc0000000000 RSI: 0000000000000001 RDI: ffff8881f7037ed4 RBP: ffffc90000006970 R08: dffffc0000000000 R09: ffffed103ee06fdb R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000007140 R13: 1ffff11024e91c25 R14: 1ffff1103ee06fd9 R15: ffff88812748e128 FS: 0000555556581480(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fca8b3866c6 CR3: 000000011036b000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 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_bh include/linux/spinlock_api_smp.h:136 [inline] _raw_spin_lock_bh+0x139/0x1b0 kernel/locking/spinlock.c:178 __sock_map_delete net/core/sock_map.c:416 [inline] sock_map_delete_elem+0x99/0x130 net/core/sock_map.c:448 bpf_prog_8a405b5ced52e191+0x42/0x41c 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_run2+0xec/0x210 kernel/trace/bpf_trace.c:1920 __bpf_trace_kfree+0x6f/0x90 include/trace/events/kmem.h:118 trace_kfree include/trace/events/kmem.h:118 [inline] kfree+0x1f3/0x220 mm/slub.c:4569 skb_free_head net/core/skbuff.c:656 [inline] skb_release_data+0x8a9/0xa80 net/core/skbuff.c:678 skb_release_all net/core/skbuff.c:743 [inline] __kfree_skb+0x50/0x70 net/core/skbuff.c:757 sk_wmem_free_skb include/net/sock.h:1634 [inline] tcp_rtx_queue_unlink_and_free+0x203/0x720 include/net/tcp.h:1907 tcp_clean_rtx_queue net/ipv4/tcp_input.c:3343 [inline] tcp_ack+0x23e0/0x68a0 net/ipv4/tcp_input.c:3900 tcp_rcv_established+0x10a3/0x1ac0 net/ipv4/tcp_input.c:5948 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] 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:_compound_head include/linux/page-flags.h:201 [inline] RIP: 0010:get_page include/linux/mm.h:1256 [inline] RIP: 0010:copy_present_pte mm/memory.c:1013 [inline] RIP: 0010:copy_pte_range mm/memory.c:1129 [inline] RIP: 0010:copy_pmd_range mm/memory.c:1215 [inline] RIP: 0010:copy_pud_range mm/memory.c:1252 [inline] RIP: 0010:copy_p4d_range mm/memory.c:1276 [inline] RIP: 0010:copy_page_range+0x15ce/0x2f90 mm/memory.c:1349 Code: 44 24 18 4c 8d 78 08 4d 89 fe 49 c1 ee 03 48 b8 00 00 00 00 00 fc ff df 41 80 3c 06 00 74 08 4c 89 ff e8 05 a0 0b 00 49 8b 1f <48> 89 de 48 83 e6 01 31 ff e8 74 81 c9 ff 48 89 d8 48 83 e0 01 0f RSP: 0018:ffffc9000167f660 EFLAGS: 00000246 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffff88813bef2780 RDX: 0000000000000000 RSI: 0000000000000028 RDI: 0000000000000020 RBP: ffffc9000167f9b0 R08: ffffffff81a6a556 R09: fffff940008517a9 R10: 0000000000000000 R11: dffffc0000000001 R12: 800000010a2f6007 R13: 800000010a2f6007 R14: 1ffffd40008517b1 R15: ffffea000428bd88 dup_mmap kernel/fork.c:659 [inline] dup_mm kernel/fork.c:1521 [inline] copy_mm+0xc7e/0x13e0 kernel/fork.c:1573 copy_process+0x1149/0x3290 kernel/fork.c:2264 kernel_clone+0x21e/0x9e0 kernel/fork.c:2662 __do_sys_clone kernel/fork.c:2788 [inline] __se_sys_clone kernel/fork.c:2772 [inline] __x64_sys_clone+0x23f/0x290 kernel/fork.c:2772 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: 0033:0x7fca8a72bcd3 Code: 1f 84 00 00 00 00 00 64 48 8b 04 25 10 00 00 00 45 31 c0 31 d2 31 f6 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 35 89 c2 85 c0 75 2c 64 48 8b 04 25 10 00 00 RSP: 002b:00007ffc496fb358 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fca8a72bcd3 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000555556581750 R11: 0000000000000246 R12: 0000000000000001 R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 19612 Comm: syz-executor.2 Tainted: G W 5.15.149-syzkaller-00490-g5d96939590c0 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 RIP: 0010:native_safe_halt arch/x86/include/asm/irqflags.h:51 [inline] RIP: 0010:arch_safe_halt arch/x86/include/asm/irqflags.h:89 [inline] RIP: 0010:kvm_wait+0x147/0x180 arch/x86/kernel/kvm.c:918 Code: 4c 89 e8 48 c1 e8 03 42 0f b6 04 20 84 c0 44 8b 74 24 1c 75 34 41 0f b6 45 00 44 38 f0 75 10 66 90 0f 00 2d 5b 03 f3 03 fb f4 24 ff ff ff fb e9 1e ff ff ff 44 89 e9 80 e1 07 38 c1 7c a3 4c RSP: 0018:ffffc90000c76a40 EFLAGS: 00000246 RAX: 0000000000000003 RBX: 1ffff9200018ed4c RCX: ffffffff8154fa7f RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffff88812748e128 RBP: ffffc90000c76af0 R08: dffffc0000000000 R09: ffffed1024e91c26 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffff88812748e128 R14: 0000000000000003 R15: 1ffff9200018ed50 FS: 00007f83190056c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f831a2ed5be CR3: 0000000125f1c000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 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_bh include/linux/spinlock_api_smp.h:136 [inline] _raw_spin_lock_bh+0x139/0x1b0 kernel/locking/spinlock.c:178 __sock_map_delete net/core/sock_map.c:416 [inline] sock_map_delete_elem+0x99/0x130 net/core/sock_map.c:448 bpf_prog_8a405b5ced52e191+0x42/0x41c 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_run2+0xec/0x210 kernel/trace/bpf_trace.c:1920 __bpf_trace_kfree+0x6f/0x90 include/trace/events/kmem.h:118 trace_kfree include/trace/events/kmem.h:118 [inline] kfree+0x1f3/0x220 mm/slub.c:4569 sk_psock_free_link include/linux/skmsg.h:420 [inline] sock_map_del_link net/core/sock_map.c:160 [inline] sock_map_unref+0x352/0x4d0 net/core/sock_map.c:182 __sock_map_delete net/core/sock_map.c:422 [inline] sock_map_delete_elem+0xc1/0x130 net/core/sock_map.c:448 bpf_prog_8a405b5ced52e191+0x42/0x41c 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_run2+0xec/0x210 kernel/trace/bpf_trace.c:1920 __bpf_trace_kfree+0x6f/0x90 include/trace/events/kmem.h:118 trace_kfree include/trace/events/kmem.h:118 [inline] kfree+0x1f3/0x220 mm/slub.c:4569 ext4_ext_map_blocks+0x25f6/0x7250 fs/ext4/extents.c:4381 ext4_da_map_blocks fs/ext4/inode.c:1777 [inline] ext4_da_get_block_prep+0x795/0x13e0 fs/ext4/inode.c:1854 ext4_block_write_begin+0x5ea/0x12a0 fs/ext4/inode.c:1078 ext4_da_write_begin+0x5da/0xc30 fs/ext4/inode.c:3011 generic_perform_write+0x2bc/0x5a0 mm/filemap.c:3847 ext4_buffered_write_iter+0x48a/0x610 fs/ext4/file.c:270 ext4_file_write_iter+0x443/0x1c80 call_write_iter include/linux/fs.h:2202 [inline] new_sync_write fs/read_write.c:507 [inline] vfs_write+0xd5d/0x1110 fs/read_write.c:594 ksys_write+0x199/0x2c0 fs/read_write.c:647 __do_sys_write fs/read_write.c:659 [inline] __se_sys_write fs/read_write.c:656 [inline] __x64_sys_write+0x7b/0x90 fs/read_write.c:656 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: 0033:0x7f831a291ca9 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:00007f83190050c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f831a3bff80 RCX: 00007f831a291ca9 RDX: 0000000000000012 RSI: 0000000020000240 RDI: 000000000000000b RBP: 00007f831a2dd47e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f831a3bff80 R15: 00007ffe25f73c08