kthread+0x34b/0x3d0 kernel/kthread.c:313
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
watchdog: BUG: soft lockup - CPU#0 stuck for 123s! [syz.6.7072:26196]
Modules linked in:
CPU: 0 PID: 26196 Comm: syz.6.7072 Tainted: G        W         5.10.230-syzkaller-00201-ga359b995b6bb #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:__sanitizer_cov_trace_pc+0x4/0x60 kernel/kcov.c:193
Code: 0b 0f 1f 44 00 00 55 48 89 e5 53 48 89 fb e8 13 00 00 00 48 8b 3d 34 09 79 05 48 89 de e8 24 f1 3c 00 5b 5d c3 cc 55 48 89 e5 <48> 8b 45 08 65 48 8b 0d 50 ac 97 7e 65 8b 15 55 ac 97 7e f7 c2 00
RSP: 0018:ffffc90000db77d0 EFLAGS: 00000202
RAX: 0000000000000000 RBX: 1ffff920001b6f05 RCX: 0000000000080000
RDX: ffffc9000ef48000 RSI: 000000000007ffff RDI: 0000000000080000
RBP: ffffc90000db77d0 R08: ffffffff815fd626 R09: ffffed103ee2aec9
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: 0000000000000001 R14: ffffc90000db7828 R15: 0000000000000000
FS:  00007f765ef406c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6dcf637d58 CR3: 000000013de98000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 </IRQ>
 csd_lock_wait kernel/smp.c:229 [inline]
 smp_call_function_single+0x294/0x510 kernel/smp.c:517
 rcu_barrier+0x218/0x400 kernel/rcu/tree.c:3929
 setup_net+0xa91/0xbf0 net/core/net_namespace.c:374
 copy_net_ns+0x32f/0x520 net/core/net_namespace.c:486
 create_new_namespaces+0x410/0x660 kernel/nsproxy.c:110
 copy_namespaces+0x1d1/0x220 kernel/nsproxy.c:179
 copy_process+0x11a0/0x3340 kernel/fork.c:2186
 kernel_clone+0x21e/0x9e0 kernel/fork.c:2574
 __do_sys_clone kernel/fork.c:2700 [inline]
 __se_sys_clone kernel/fork.c:2684 [inline]
 __x64_sys_clone+0x23f/0x290 kernel/fork.c:2684
 do_syscall_64+0x34/0x70
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f76608ced19
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f765ef3ffe8 EFLAGS: 00000206 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007f7660abefa0 RCX: 00007f76608ced19
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040000000
RBP: 00007f766094aa20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f7660abefa0 R15: 00007fff9f6e5058
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 26326 Comm: syz.9.7109 Tainted: G        W         5.10.230-syzkaller-00201-ga359b995b6bb #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:native_halt arch/x86/include/asm/irqflags.h:66 [inline]
RIP: 0010:halt arch/x86/include/asm/irqflags.h:112 [inline]
RIP: 0010:kvm_wait+0xec/0x150 arch/x86/kernel/kvm.c:921
Code: 03 42 0f b6 04 20 84 c0 75 6a 41 0f b6 45 00 44 38 f0 75 26 41 f7 c7 00 02 00 00 75 0f 0f 1f 44 00 00 0f 00 2d 85 53 d5 03 f4 <eb> 0e 0f 1f 44 00 00 0f 00 2d 76 53 d5 03 fb f4 4c 89 7c 24 18 ff
RSP: 0018:ffffc90000f9f040 EFLAGS: 00000046
RAX: 0000000000000003 RBX: 1ffff920001f3e0c RCX: ffffffff8150cb24
RDX: 0000000000000001 RSI: 0000000000000003 RDI: ffffc90000f9f080
RBP: ffffc90000f9f0f0 R08: dffffc0000000000 R09: ffffed1021a97c25
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff88810d4be120 R14: 0000000000000003 R15: 0000000000000046
FS:  00007f6dcf6586c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6dcf616d58 CR3: 0000000128737000 CR4: 00000000003506a0
DR0: 0000000020000300 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 <NMI>
 </NMI>
 pv_wait arch/x86/include/asm/paravirt.h:564 [inline]
 pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:470 [inline]
 __pv_queued_spin_lock_slowpath+0x72f/0xc70 kernel/locking/qspinlock.c:508
 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:554 [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_flags include/linux/spinlock.h:195 [inline]
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:119 [inline]
 _raw_spin_lock_irqsave+0x1a0/0x210 kernel/locking/spinlock.c:159
 trie_delete_elem+0x94/0x760 kernel/bpf/lpm_trie.c:448
 bpf_prog_8c8ab8634bca3061+0x3a/0xb4c
 bpf_dispatcher_nop_func include/linux/bpf.h:669 [inline]
 __bpf_trace_run kernel/trace/bpf_trace.c:2061 [inline]
 bpf_trace_run4+0x1b8/0x2e0 kernel/trace/bpf_trace.c:2100
 __bpf_trace_mm_page_alloc+0xbf/0xf0 include/trace/events/kmem.h:193
 trace_mm_page_alloc include/trace/events/kmem.h:193 [inline]
 __alloc_pages_nodemask+0xa8e/0xaf0 mm/page_alloc.c:5376
 __alloc_pages include/linux/gfp.h:544 [inline]
 __alloc_pages_node include/linux/gfp.h:557 [inline]
 alloc_pages_node include/linux/gfp.h:571 [inline]
 alloc_pages include/linux/gfp.h:590 [inline]
 kmalloc_order+0x4c/0x170 mm/slab_common.c:843
 kmalloc_order_trace+0x18/0x90 mm/slab_common.c:859
 kmalloc_large include/linux/slab.h:481 [inline]
 __kmalloc+0x1f1/0x330 mm/slub.c:4022
 __kmalloc_node include/linux/slab.h:418 [inline]
 kmalloc_node include/linux/slab.h:575 [inline]
 lpm_trie_node_alloc kernel/bpf/lpm_trie.c:288 [inline]
 trie_update_elem+0x1b5/0xb30 kernel/bpf/lpm_trie.c:330
 bpf_map_update_value+0x230/0x420 kernel/bpf/syscall.c:219
 map_update_elem kernel/bpf/syscall.c:1136 [inline]
 __do_sys_bpf kernel/bpf/syscall.c:4423 [inline]
 __se_sys_bpf+0x7687/0x11cb0 kernel/bpf/syscall.c:4391
 __x64_sys_bpf+0x7b/0x90 kernel/bpf/syscall.c:4391
 do_syscall_64+0x34/0x70
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f6dd0fe6d19
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f6dcf658038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f6dd11d6fa0 RCX: 00007f6dd0fe6d19
RDX: 0000000000000020 RSI: 0000000020000740 RDI: 0000000000000002
RBP: 00007f6dd1062a20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f6dd11d6fa0 R15: 00007ffd80de4128