watchdog: BUG: soft lockup - CPU#0 stuck for 246s! [syz-executor.4:8303] Modules linked in: CPU: 0 PID: 8303 Comm: syz-executor.4 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:ffffc90000bf5b20 EFLAGS: 00000246 RAX: 0000000000000003 RBX: 1ffff9200017eb68 RCX: ffffffff8154fa7f RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffff888113bc8d18 RBP: ffffc90000bf5bd0 R08: dffffc0000000000 R09: ffffed10227791a4 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffff888113bc8d18 R14: 0000000000000003 R15: 1ffff9200017eb6c FS: 0000555557173480(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055555717c818 CR3: 000000012b186000 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_bh include/linux/spinlock_api_smp.h:136 [inline] _raw_spin_lock_bh+0x139/0x1b0 kernel/locking/spinlock.c:178 sock_hash_delete_elem+0xb1/0x2f0 net/core/sock_map.c:937 bpf_prog_2c29ac5cdc6b1842+0x3a/0xac8 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_run4+0x13f/0x270 kernel/trace/bpf_trace.c:1922 __bpf_trace_mm_page_alloc+0xbf/0xf0 include/trace/events/kmem.h:201 trace_mm_page_alloc include/trace/events/kmem.h:201 [inline] __alloc_pages+0x3cb/0x8f0 mm/page_alloc.c:5798 __alloc_pages_node include/linux/gfp.h:591 [inline] alloc_pages_node include/linux/gfp.h:605 [inline] alloc_pages include/linux/gfp.h:618 [inline] __stack_depot_save+0x38d/0x470 lib/stackdepot.c:326 stack_depot_save+0xe/0x10 lib/stackdepot.c:383 save_stack+0x104/0x1e0 mm/page_owner.c:140 __set_page_owner+0x28/0x2e0 mm/page_owner.c:200 set_page_owner include/linux/page_owner.h:33 [inline] post_alloc_hook+0x1a3/0x1b0 mm/page_alloc.c:2604 prep_new_page+0x1b/0x110 mm/page_alloc.c:2610 get_page_from_freelist+0x3550/0x35d0 mm/page_alloc.c:4484 __alloc_pages+0x27e/0x8f0 mm/page_alloc.c:5776 __alloc_pages_node include/linux/gfp.h:591 [inline] alloc_pages_node include/linux/gfp.h:605 [inline] alloc_pages include/linux/gfp.h:618 [inline] __stack_depot_save+0x38d/0x470 lib/stackdepot.c:326 kasan_save_stack mm/kasan/common.c:39 [inline] kasan_set_track+0x5d/0x70 mm/kasan/common.c:45 kasan_set_free_info+0x23/0x40 mm/kasan/generic.c:370 ____kasan_slab_free+0x126/0x160 mm/kasan/common.c:365 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:373 kasan_slab_free include/linux/kasan.h:193 [inline] slab_free_hook mm/slub.c:1723 [inline] slab_free_freelist_hook+0xbd/0x190 mm/slub.c:1749 slab_free mm/slub.c:3519 [inline] kfree+0xc8/0x220 mm/slub.c:4579 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_hash_delete_elem+0x274/0x2f0 net/core/sock_map.c:941 bpf_prog_2c29ac5cdc6b1842+0x3a/0xac8 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_run4+0x13f/0x270 kernel/trace/bpf_trace.c:1922 __bpf_trace_mm_page_alloc+0xbf/0xf0 include/trace/events/kmem.h:201 trace_mm_page_alloc include/trace/events/kmem.h:201 [inline] __alloc_pages+0x3cb/0x8f0 mm/page_alloc.c:5798 __vmalloc_area_node mm/vmalloc.c:2955 [inline] __vmalloc_node_range+0x482/0x8d0 mm/vmalloc.c:3086 __vmalloc_node mm/vmalloc.c:3151 [inline] vzalloc+0x78/0x90 mm/vmalloc.c:3221 alloc_counters+0x69/0x510 net/ipv4/netfilter/arp_tables.c:659 copy_entries_to_user net/ipv4/netfilter/arp_tables.c:680 [inline] get_entries net/ipv4/netfilter/arp_tables.c:866 [inline] do_arpt_get_ctl+0xe58/0x1680 net/ipv4/netfilter/arp_tables.c:1452 nf_getsockopt+0x26c/0x290 net/netfilter/nf_sockopt.c:116 ip_getsockopt+0x1434/0x1da0 net/ipv4/ip_sockglue.c:1787 tcp_getsockopt+0x257/0x7150 net/ipv4/tcp.c:4298 sock_common_getsockopt+0x99/0xb0 net/core/sock.c:3421 __sys_getsockopt+0x290/0x4f0 net/socket.c:2242 __do_sys_getsockopt net/socket.c:2257 [inline] __se_sys_getsockopt net/socket.c:2254 [inline] __x64_sys_getsockopt+0xbf/0xd0 net/socket.c:2254 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: 0033:0x7f29da567a4a Code: c4 c1 e0 1a 0d 00 00 04 00 89 01 e9 e0 fe ff ff e8 3b 05 00 00 66 2e 0f 1f 84 00 00 00 00 00 90 49 89 ca b8 37 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 06 c3 0f 1f 44 00 00 48 c7 c2 b0 ff ff ff f7 RSP: 002b:00007fffb8e8b8f8 EFLAGS: 00000212 ORIG_RAX: 0000000000000037 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f29da567a4a RDX: 0000000000000061 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 00007fffb8e8b960 R08: 00007fffb8e8b90c R09: 00007fffb8e8bcf7 R10: 00007fffb8e8b960 R11: 0000000000000212 R12: 00007fffb8e8b90c R13: 000000000004efc5 R14: 000000000004efbc R15: 0000000000000005 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 297 Comm: syz-fuzzer 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:ffffc90000a970a0 EFLAGS: 00000246 RAX: 0000000000000001 RBX: 1ffff92000152e18 RCX: 1ffffffff0d1aa9c RDX: 0000000000000001 RSI: 0000000000000001 RDI: ffff8881f7137ed4 RBP: ffffc90000a97150 R08: dffffc0000000000 R09: ffffed103ee26fdb R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffff8881f7137ed4 R14: 0000000000000001 R15: 1ffff92000152e1c FS: 000000c000f7d090(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b32d24000 CR3: 000000011ec29000 CR4: 00000000003506a0 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_node kernel/locking/qspinlock_paravirt.h:325 [inline] __pv_queued_spin_lock_slowpath+0x41b/0xc40 kernel/locking/qspinlock.c:473 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_hash_delete_elem+0xb1/0x2f0 net/core/sock_map.c:937 bpf_prog_2c29ac5cdc6b1842+0x3a/0xac8 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_run4+0x13f/0x270 kernel/trace/bpf_trace.c:1922 __bpf_trace_mm_page_alloc+0xbf/0xf0 include/trace/events/kmem.h:201 trace_mm_page_alloc include/trace/events/kmem.h:201 [inline] __alloc_pages+0x3cb/0x8f0 mm/page_alloc.c:5798 allocate_slab mm/slub.c:1932 [inline] new_slab+0x9a/0x4e0 mm/slub.c:1995 ___slab_alloc+0x39e/0x830 mm/slub.c:3028 __slab_alloc+0x4a/0x90 mm/slub.c:3115 slab_alloc_node mm/slub.c:3206 [inline] slab_alloc mm/slub.c:3248 [inline] kmem_cache_alloc+0x134/0x200 mm/slub.c:3253 kmem_cache_alloc_node include/linux/slab.h:474 [inline] __alloc_skb+0xbe/0x550 net/core/skbuff.c:416 alloc_skb_fclone include/linux/skbuff.h:1233 [inline] sk_stream_alloc_skb+0x1f8/0xad0 net/ipv4/tcp.c:888 tcp_sendmsg_locked+0xd34/0x3a90 net/ipv4/tcp.c:1313 tcp_sendmsg+0x2f/0x50 net/ipv4/tcp.c:1456 inet_sendmsg+0xa1/0xc0 net/ipv4/af_inet.c:830 sock_sendmsg_nosec net/socket.c:704 [inline] __sock_sendmsg net/socket.c:716 [inline] sock_write_iter+0x39b/0x530 net/socket.c:1079 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: 0033:0x40720e Code: 48 83 ec 38 e8 13 00 00 00 48 83 c4 38 5d c3 cc cc cc cc cc cc cc cc cc cc cc cc cc 49 89 f2 48 89 fa 48 89 ce 48 89 df 0f 05 <48> 3d 01 f0 ff ff 76 15 48 f7 d8 48 89 c1 48 c7 c0 ff ff ff ff 48 RSP: 002b:000000c00074f2e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000040720e RDX: 00000000000000f0 RSI: 000000c000490200 RDI: 0000000000000003 RBP: 000000c00074f328 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000206 R12: 000000c00074f468 R13: 0000000000000001 R14: 000000c000007ba0 R15: 000000000000000f