RBP: 00007f8211b6d49e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f8211c4ef80 R15: 00007ffdec2c4928 watchdog: BUG: soft lockup - CPU#0 stuck for 245s! [syz-executor.2:3509] Modules linked in: CPU: 0 PID: 3509 Comm: syz-executor.2 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:ffffc900001b6a60 EFLAGS: 00000206 RAX: 0000000000000000 RBX: 00000000fffffa29 RCX: ffffffff8154fa7f RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffff888115230358 RBP: ffffc900001b6b50 R08: dffffc0000000000 R09: ffffed1022a4606c R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881f7037ed4 R13: 1ffff11022a4606b R14: 1ffff1103ee00001 R15: ffff888115230358 FS: 00007f82108946c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000011864b000 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_hash_delete_elem+0xb1/0x2f0 net/core/sock_map.c:937 bpf_prog_2c29ac5cdc6b1842+0x3a/0x43c 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_hash_delete_elem+0x274/0x2f0 net/core/sock_map.c:941 bpf_prog_2c29ac5cdc6b1842+0x3a/0x43c 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 copy_array kernel/bpf/verifier.c:775 [inline] copy_verifier_state+0xd7/0xcc0 kernel/bpf/verifier.c:953 push_stack+0x19d/0x4f0 kernel/bpf/verifier.c:1051 check_cond_jmp_op kernel/bpf/verifier.c:9277 [inline] do_check+0xceac/0xf2c0 kernel/bpf/verifier.c:11398 do_check_common+0x909/0x1290 kernel/bpf/verifier.c:13408 do_check_main kernel/bpf/verifier.c:13471 [inline] bpf_check+0x3835/0x12bf0 kernel/bpf/verifier.c:14042 bpf_prog_load+0x12ac/0x1b50 kernel/bpf/syscall.c:2333 __sys_bpf+0x4bc/0x760 kernel/bpf/syscall.c:4633 __do_sys_bpf kernel/bpf/syscall.c:4737 [inline] __se_sys_bpf kernel/bpf/syscall.c:4735 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:4735 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: 0033:0x7f8211b20d69 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:00007f82108940c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f8211c4ef80 RCX: 00007f8211b20d69 RDX: 0000000000000048 RSI: 00000000200017c0 RDI: 0000000000000005 RBP: 00007f8211b6d49e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f8211c4ef80 R15: 00007ffdec2c4928 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 3494 Comm: syz-executor.1 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:kvm_is_in_guest+0x0/0x40 arch/x86/kvm/x86.c:8573 Code: 60 00 45 31 ff 85 db 41 0f 95 c7 e9 cc fd ff ff e8 a5 ec 60 00 48 8b 7c 24 08 e8 2b b5 ff ff e9 48 fd ff ff e8 01 ab b3 03 90 <55> 48 89 e5 53 e8 86 ec 60 00 48 c7 c7 20 30 22 85 e8 ba b4 b3 03 RSP: 0018:ffffc900001d05f8 EFLAGS: 00000046 RAX: 1ffffffff0d0fc5c RBX: ffffffff8687e2e0 RCX: 0000000000000000 RDX: 0000000000000060 RSI: 0000000000000000 RDI: ffffc900001d06e0 RBP: ffffc900001d0750 R08: dffffc0000000000 R09: ffffc900001d0680 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: 1ffff9200003a0cc R14: ffffc90000dc6cd8 R15: ffffc900001d07c0 FS: 00007fbe832226c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b31e21000 CR3: 0000000125664000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: get_perf_callchain+0x579/0x810 kernel/events/callchain.c:200 perf_callchain kernel/events/core.c:7428 [inline] perf_prepare_sample+0x359/0x1a80 kernel/events/core.c:7455 __perf_event_output kernel/events/core.c:7624 [inline] perf_event_output_forward+0xdb/0x1b0 kernel/events/core.c:7644 __perf_event_overflow+0x20b/0x390 kernel/events/core.c:9314 perf_swevent_hrtimer+0x3fd/0x560 kernel/events/core.c:10710 __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+0x95/0xc0 arch/x86/kernel/apic/apic.c:1096 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:638 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:ffffc90000dc6d80 EFLAGS: 00000282 RAX: ffff8881f7137ec8 RBX: ffff8881f7137ed4 RCX: 0000000000000000 RDX: dffffc0000000000 RSI: 0000000000000001 RDI: ffff8881f7137ed4 RBP: ffffc90000dc6e70 R08: dffffc0000000000 R09: ffffed103ee26fdb R10: 0000000000000000 R11: dffffc0000000001 R12: 00000000000078ad R13: 1ffff11022a4606b R14: 1ffff1103ee26fd9 R15: ffff888115230358 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/0x43c 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 krealloc+0xb9/0xf0 push_jmp_history kernel/bpf/verifier.c:2119 [inline] is_state_visited kernel/bpf/verifier.c:10993 [inline] do_check+0x2633/0xf2c0 kernel/bpf/verifier.c:11133 do_check_common+0x909/0x1290 kernel/bpf/verifier.c:13408 do_check_main kernel/bpf/verifier.c:13471 [inline] bpf_check+0x3835/0x12bf0 kernel/bpf/verifier.c:14042 bpf_prog_load+0x12ac/0x1b50 kernel/bpf/syscall.c:2333 __sys_bpf+0x4bc/0x760 kernel/bpf/syscall.c:4633 __do_sys_bpf kernel/bpf/syscall.c:4737 [inline] __se_sys_bpf kernel/bpf/syscall.c:4735 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:4735 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: 0033:0x7fbe844aed69 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:00007fbe832220c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007fbe845dcf80 RCX: 00007fbe844aed69 RDX: 0000000000000048 RSI: 0000000020000200 RDI: 0000000000000005 RBP: 00007fbe844fb49e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fbe845dcf80 R15: 00007ffdda5f10b8