netlink: 'syz-executor.4': attribute type 7 has an invalid length. netlink: 'syz-executor.4': attribute type 39 has an invalid length. watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [syz-executor.5:30474] Modules linked in: irq event stamp: 1922983 hardirqs last enabled at (1922982): [] trace_hardirqs_on_thunk+0x1a/0x1c hardirqs last disabled at (1922983): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (0): [] copy_process.part.0+0x15b9/0x8260 kernel/fork.c:1855 softirqs last disabled at (459): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (459): [] irq_exit+0x215/0x260 kernel/softirq.c:412 CPU: 1 PID: 30474 Comm: syz-executor.5 Not tainted 4.19.202-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:169 [inline] RIP: 0010:_raw_spin_unlock_irq+0x50/0x80 kernel/locking/spinlock.c:192 Code: c0 98 82 f1 89 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 75 31 48 83 3d 91 98 d8 01 00 74 25 fb 66 0f 1f 44 00 00 01 00 00 00 e8 16 81 28 f9 65 8b 05 ef f4 e8 77 85 c0 74 02 5d RSP: 0018:ffff8880ba107de0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff13e3053 RBX: dffffc0000000000 RCX: 0000000000000000 RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffff88806409e944 RBP: ffff8880ba122b00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff8688f530 R13: ffff8880ba122b00 R14: ffff8880ba107e78 R15: 0000000000000000 FS: 00007fa9ecd6a700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000100000002 CR3: 0000000235382000 CR4: 00000000001426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: expire_timers+0x238/0x4e0 kernel/time/timer.c:1374 __run_timers kernel/time/timer.c:1696 [inline] run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1709 __do_softirq+0x265/0x980 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x215/0x260 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x136/0x550 arch/x86/kernel/apic/apic.c:1098 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894 RIP: 0010:save_stack_trace+0x4/0x20 arch/x86/kernel/stacktrace.c:60 Code: ff 85 c0 48 8b 95 70 ff ff ff 0f 84 c0 fe ff ff e9 e3 fe ff ff 48 89 e9 e9 e2 fe ff ff e8 e4 b3 14 00 0f 1f 40 00 83 47 10 01 <31> c9 31 d2 65 48 8b 34 25 80 df 01 00 e9 5a fe ff ff 66 2e 0f 1f RSP: 0018:ffff88817e4d77c8 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff13 RAX: ffff88817e4d77f0 RBX: ffff888177bb3b18 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000028 RDI: ffff88817e4d77d8 RBP: ffff888177bb3b18 R08: ffffed102ef7675e R09: ffffed102ef76763 R10: 0000000084b3f199 R11: 00000000390c704f R12: 0000000000489220 R13: 0000000000000000 R14: ffff88813bfecdc0 R15: 0000000000000028 save_stack mm/kasan/kasan.c:448 [inline] set_track mm/kasan/kasan.c:460 [inline] kasan_kmalloc+0xeb/0x160 mm/kasan/kasan.c:553 kmem_cache_alloc+0x122/0x370 mm/slab.c:3559 kmem_cache_zalloc include/linux/slab.h:699 [inline] fill_pool lib/debugobjects.c:134 [inline] __debug_object_init+0x6d9/0x9b0 lib/debugobjects.c:379 __init_work+0x48/0x50 kernel/workqueue.c:505 init_srcu_struct_nodes kernel/rcu/srcutree.c:155 [inline] init_srcu_struct_fields+0xa88/0x1190 kernel/rcu/srcutree.c:187 kvm_page_track_init+0x23/0x60 arch/x86/kvm/page_track.c:177 kvm_arch_init_vm+0x4bd/0x610 arch/x86/kvm/x86.c:9058 kvm_create_vm arch/x86/kvm/../../../virt/kvm/kvm_main.c:691 [inline] kvm_dev_ioctl_create_vm arch/x86/kvm/../../../virt/kvm/kvm_main.c:3449 [inline] kvm_dev_ioctl+0x38b/0x16e0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3501 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:501 [inline] do_vfs_ioctl+0xcdb/0x12e0 fs/ioctl.c:688 ksys_ioctl+0x9b/0xc0 fs/ioctl.c:705 __do_sys_ioctl fs/ioctl.c:712 [inline] __se_sys_ioctl fs/ioctl.c:710 [inline] __x64_sys_ioctl+0x6f/0xb0 fs/ioctl.c:710 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4665e9 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fa9ecd6a188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 000000000056c0f0 RCX: 00000000004665e9 RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 0000000000000005 RBP: 00000000004bfcc4 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c0f0 R13: 00007fffe1d583cf R14: 00007fa9ecd6a300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 30458 Comm: syz-executor.5 Not tainted 4.19.202-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:interrupt_entry+0x5e/0xb9 arch/x86/entry/entry_64.S:619 Code: 77 08 48 8b 3f eb 03 0f ae e8 56 48 8b 74 24 08 48 89 7c 24 08 52 51 50 41 50 41 51 41 52 41 53 53 55 41 54 41 55 41 56 41 57 <56> 31 d2 31 c9 45 31 c0 45 31 c9 45 31 d2 45 31 db 31 db 31 ed 45 RSP: 0018:ffff8880ba007c08 EFLAGS: 00000046 RAX: 1ffffffff13e3051 RBX: 0000000000000282 RCX: 1ffff1102af9e915 RDX: dffffc0000000000 RSI: ffffffff8820145a RDI: 0000000000000282 RBP: ffff8880947f4bb0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: ffff8880947f4bb0 R14: 0000000000000000 R15: 0000000000000000 FS: 00007fa9ecdac700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000030ca708 CR3: 0000000235382000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline] RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0xa3/0xe0 kernel/locking/spinlock.c:184 Code: 48 c7 c0 88 82 f1 89 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 75 2f 48 83 3d 0c 99 d8 01 00 74 15 48 89 df 57 9d <0f> 1f 44 00 00 eb b2 e8 8b 53 e7 f8 eb c0 0f 0b 0f 0b 48 c7 c7 88 RSP: 0018:ffff8880ba007cb0 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff13e3051 RBX: 0000000000000282 RCX: 1ffff1102af9e915 RDX: dffffc0000000000 RSI: ffff888157cf4888 RDI: 0000000000000282 RBP: ffff8880947f4bb0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: ffff8880947f4bb0 R14: 0000000000000000 R15: 0000000000000000 spin_unlock_irqrestore include/linux/spinlock.h:384 [inline] skb_dequeue+0x125/0x180 net/core/skbuff.c:2839 mrp_queue_xmit net/802/mrp.c:366 [inline] mrp_join_timer+0x97/0xc0 net/802/mrp.c:611 call_timer_fn+0x177/0x700 kernel/time/timer.c:1338 expire_timers+0x243/0x4e0 kernel/time/timer.c:1375 __run_timers kernel/time/timer.c:1696 [inline] run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1709 __do_softirq+0x265/0x980 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x215/0x260 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x136/0x550 arch/x86/kernel/apic/apic.c:1098 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894 RIP: 0010:kmem_cache_alloc+0x126/0x370 mm/slab.c:3560 Code: 00 8b 15 c9 d8 8e 09 4c 89 e6 4c 89 f7 21 da e8 40 46 00 00 0f 1f 44 00 00 4c 89 ef 89 ea 4c 89 e6 e8 2e 46 00 00 45 8b 75 14 <4c> 8b 7c 24 30 4d 63 6d 74 0f 1f 44 00 00 65 8b 05 75 7c 69 7e 83 RSP: 0018:ffff888177187a30 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 RAX: 00000000c340035a RBX: 0000000000489220 RCX: 0000000000000000 RDX: ffffffff8820008d RSI: 000000000000000a RDI: 0000000000000000 RBP: 0000000000489220 R08: 0000000000489220 R09: 0000000000000002 R10: 0000000049e5e212 R11: 00000000332faf97 R12: ffff888177bb3850 R13: ffff88813bfecdc0 R14: 0000000000000038 R15: 0000000000000282 kmem_cache_zalloc include/linux/slab.h:699 [inline] fill_pool lib/debugobjects.c:134 [inline] __debug_object_init+0x6d9/0x9b0 lib/debugobjects.c:379 debug_timer_init kernel/time/timer.c:713 [inline] debug_init kernel/time/timer.c:766 [inline] init_timer_key+0x33/0x350 kernel/time/timer.c:815 init_srcu_struct_nodes kernel/rcu/srcutree.c:155 [inline] init_srcu_struct_fields+0xb5a/0x1190 kernel/rcu/srcutree.c:187 kvm_create_vm arch/x86/kvm/../../../virt/kvm/kvm_main.c:719 [inline] kvm_dev_ioctl_create_vm arch/x86/kvm/../../../virt/kvm/kvm_main.c:3449 [inline] kvm_dev_ioctl+0xe5f/0x16e0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3501 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:501 [inline] do_vfs_ioctl+0xcdb/0x12e0 fs/ioctl.c:688 ksys_ioctl+0x9b/0xc0 fs/ioctl.c:705 __do_sys_ioctl fs/ioctl.c:712 [inline] __se_sys_ioctl fs/ioctl.c:710 [inline] __x64_sys_ioctl+0x6f/0xb0 fs/ioctl.c:710 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4665e9 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fa9ecdac188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665e9 RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 0000000000000005 RBP: 00000000004bfcc4 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80 R13: 00007fffe1d583cf R14: 00007fa9ecdac300 R15: 0000000000022000