bridge0: port 2(bridge_slave_1) entered disabled state bridge0: port 1(bridge_slave_0) entered disabled state device bridge0 left promiscuous mode watchdog: BUG: soft lockup - CPU#1 stuck for 123s! [syz-executor7:13139] Modules linked in: irq event stamp: 269582 hardirqs last enabled at (269581): [] trace_hardirqs_on_thunk+0x1a/0x1c hardirqs last disabled at (269582): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (726): [] spin_unlock_bh include/linux/spinlock.h:374 [inline] softirqs last enabled at (726): [] peernet2id+0xd1/0x110 net/core/net_namespace.c:266 softirqs last disabled at (724): [] spin_lock_bh include/linux/spinlock.h:334 [inline] softirqs last disabled at (724): [] peernet2id+0x83/0x110 net/core/net_namespace.c:264 CPU: 1 PID: 13139 Comm: syz-executor7 Not tainted 4.19.0-rc2+ #220 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__sanitizer_cov_trace_const_cmp4+0x0/0x20 kernel/kcov.c:183 Code: a6 fe ff ff 5d c3 0f 1f 40 00 55 0f b7 d6 0f b7 f7 bf 03 00 00 00 48 89 e5 48 8b 4d 08 e8 88 fe ff ff 5d c3 66 0f 1f 44 00 00 <55> 89 f2 89 fe bf 05 00 00 00 48 89 e5 48 8b 4d 08 e8 6a fe ff ff RSP: 0018:ffff88018c15ed78 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000000 RBX: ffff88018c15edf8 RCX: ffffc9000208d000 RDX: 0000000000000004 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffff88018c15eec8 R08: ffff88018eafc380 R09: ffffed003b605b98 R10: ffffed003b605b98 R11: ffff8801db02dcc7 R12: ffffed003182bdcc R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000001 FS: 00007fc5c13ca700(0000) GS:ffff8801db100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b30422000 CR3: 00000001b2fba000 CR4: 00000000001426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: smp_call_function_many+0x884/0xa40 kernel/smp.c:434 smp_call_function kernel/smp.c:492 [inline] on_each_cpu+0x46/0x1d0 kernel/smp.c:604 text_poke_bp+0x102/0x1de arch/x86/kernel/alternative.c:804 __jump_label_transform.isra.0+0x478/0x8f0 arch/x86/kernel/jump_label.c:105 arch_jump_label_transform+0x2f/0x40 arch/x86/kernel/jump_label.c:113 __jump_label_update+0x16e/0x1a0 kernel/jump_label.c:375 jump_label_update+0x151/0x2e0 kernel/jump_label.c:760 static_key_slow_inc_cpuslocked+0x341/0x430 kernel/jump_label.c:110 static_key_slow_inc+0x1a/0x30 kernel/jump_label.c:125 kvm_arch_vcpu_init+0x300/0x830 arch/x86/kvm/x86.c:8746 kvm_vcpu_init+0x2fb/0x420 arch/x86/kvm/../../../virt/kvm/kvm_main.c:317 vmx_create_vcpu+0x14c/0x2830 arch/x86/kvm/vmx.c:10963 kvm_arch_vcpu_create+0xe5/0x220 arch/x86/kvm/x86.c:8434 kvm_vm_ioctl_create_vcpu arch/x86/kvm/../../../virt/kvm/kvm_main.c:2476 [inline] kvm_vm_ioctl+0x488/0x1d80 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2977 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:501 [inline] do_vfs_ioctl+0x1de/0x1720 fs/ioctl.c:685 ksys_ioctl+0xa9/0xd0 fs/ioctl.c:702 __do_sys_ioctl fs/ioctl.c:709 [inline] __se_sys_ioctl fs/ioctl.c:707 [inline] __x64_sys_ioctl+0x73/0xb0 fs/ioctl.c:707 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457099 Code: fd b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 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 0f 83 cb b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fc5c13c9c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fc5c13ca6d4 RCX: 0000000000457099 RDX: 0000000000000000 RSI: 000000000000ae41 RDI: 0000000000000004 RBP: 00000000009300a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000004ceff8 R14: 00000000004c5363 R15: 0000000000000000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 13132 Comm: syz-executor5 Not tainted 4.19.0-rc2+ #220 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__lock_acquire+0xf8/0x5020 kernel/locking/lockdep.c:3271 Code: c7 40 34 f2 f2 f2 f2 c7 40 38 00 f2 f2 f2 c7 40 3c f2 f2 f2 f2 c7 40 40 00 f2 f2 f2 c7 40 44 f2 f2 f2 f2 c7 40 48 00 f2 f2 f2 40 4c f2 f2 f2 f2 c7 40 50 00 f2 f2 f2 65 48 8b 04 25 28 00 00 RSP: 0018:ffff88018c01ec60 EFLAGS: 00000086 RAX: ffffed0031803da0 RBX: 1ffff10031803e09 RCX: 0000000000000002 RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffffc9001216eda8 RBP: ffff88018c01eff0 R08: 0000000000000000 R09: 0000000000000001 R10: dffffc0000000000 R11: 0000000000000000 R12: 0000000000000001 R13: ffffc9001216eda8 R14: ffff8801949aa180 R15: 0000000000000002 FS: 00007ff2efe8a700(0000) GS:ffff8801db000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc45682fdf8 CR3: 00000001cfb9f000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: lock_acquire+0x1e4/0x4f0 kernel/locking/lockdep.c:3901 rcu_lock_acquire include/linux/rcupdate.h:244 [inline] srcu_read_lock include/linux/srcu.h:199 [inline] kvm_arch_vcpu_put+0x171/0x420 arch/x86/kvm/x86.c:3178 kvm_sched_out+0x91/0xb0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3985 __fire_sched_out_preempt_notifiers kernel/sched/core.c:2497 [inline] fire_sched_out_preempt_notifiers kernel/sched/core.c:2505 [inline] prepare_task_switch kernel/sched/core.c:2611 [inline] context_switch kernel/sched/core.c:2790 [inline] __schedule+0xf1e/0x1df0 kernel/sched/core.c:3473 preempt_schedule_common+0x22/0x60 kernel/sched/core.c:3597 _cond_resched+0x1d/0x30 kernel/sched/core.c:4963 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3378 [inline] kmem_cache_alloc+0x292/0x710 mm/slab.c:3552 kmem_cache_zalloc include/linux/slab.h:697 [inline] mmu_topup_memory_cache arch/x86/kvm/mmu.c:917 [inline] mmu_topup_memory_caches+0xf7/0x3a0 arch/x86/kvm/mmu.c:963 kvm_mmu_load+0x21/0x1260 arch/x86/kvm/mmu.c:4957 kvm_mmu_reload arch/x86/kvm/mmu.h:86 [inline] vcpu_enter_guest+0x3c8b/0x61a0 arch/x86/kvm/x86.c:7495 vcpu_run arch/x86/kvm/x86.c:7693 [inline] kvm_arch_vcpu_ioctl_run+0x373/0x16d0 arch/x86/kvm/x86.c:7870 kvm_vcpu_ioctl+0x7b8/0x1280 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2590 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:501 [inline] do_vfs_ioctl+0x1de/0x1720 fs/ioctl.c:685 ksys_ioctl+0xa9/0xd0 fs/ioctl.c:702 __do_sys_ioctl fs/ioctl.c:709 [inline] __se_sys_ioctl fs/ioctl.c:707 [inline] __x64_sys_ioctl+0x73/0xb0 fs/ioctl.c:707 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457099 Code: fd b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 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 0f 83 cb b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007ff2efe89c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007ff2efe8a6d4 RCX: 0000000000457099 RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005 RBP: 00000000009300a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000004cf460 R14: 00000000004c5786 R15: 0000000000000000