device batadv542 entered promiscuous mode 8021q: adding VLAN 0 to HW filter on device batadv542 bond530: making interface vlan484 the new active one bond530: Enslaving vlan484 as an active interface with an up link watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [syz-executor.0:3419] Modules linked in: irq event stamp: 1782643 hardirqs last enabled at (1782642): [] trace_hardirqs_on_thunk+0x1a/0x1c hardirqs last disabled at (1782643): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (11552): [] __do_softirq+0x678/0x980 kernel/softirq.c:318 softirqs last disabled at (12081): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (12081): [] irq_exit+0x215/0x260 kernel/softirq.c:412 CPU: 0 PID: 3419 Comm: syz-executor.0 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline] RIP: 0010:lock_acquire+0x1ec/0x3c0 kernel/locking/lockdep.c:3911 Code: 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 b7 01 00 00 48 83 3d 09 2e a6 08 00 0f 84 2a 01 00 00 48 8b 7c 24 08 57 9d <0f> 1f 44 00 00 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e 41 5f c3 65 8b RSP: 0018:ffff8880ba007c80 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff13e3051 RBX: ffff8880230e2380 RCX: 00000000000044ef RDX: dffffc0000000000 RSI: 000000003eeed96a RDI: 0000000000000286 RBP: ffff88809b4800b8 R08: ffffffff8cd39cb8 R09: 0000000000000003 R10: ffff8880230e2c80 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001 FS: 00007fe0dd576700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f10fd409924 CR3: 00000000aa616000 CR4: 00000000003426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:144 spin_lock include/linux/spinlock.h:329 [inline] mrp_periodic_timer+0x34/0x170 net/802/mrp.c:625 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:in_irqentry_text mm/kasan/kasan.c:418 [inline] RIP: 0010:filter_irq_stacks mm/kasan/kasan.c:431 [inline] RIP: 0010:save_stack mm/kasan/kasan.c:449 [inline] RIP: 0010:set_track mm/kasan/kasan.c:460 [inline] RIP: 0010:kasan_kmalloc+0x10a/0x160 mm/kasan/kasan.c:553 Code: 20 48 89 44 24 10 e8 75 9c 8a ff 8b 44 24 08 85 c0 74 39 48 8b 74 24 10 31 c9 48 63 d1 48 8b 14 d6 48 81 fa 48 14 20 88 72 37 <48> 81 fa be 51 20 88 73 2e 8d 41 01 85 c0 89 44 24 08 74 0e 8d 50 RSP: 0018:ffff88801831f6c0 EFLAGS: 00000206 ORIG_RAX: ffffffffffffff13 RAX: 000000000000000b RBX: ffff88805e7fb620 RCX: 000000000000000a RDX: ffffffffffffffff RSI: ffff88801831f6e0 RDI: 0000000000000286 RBP: ffff88805e7fb620 R08: ffff8880ba027720 R09: 0000000000000002 R10: ffff88801831f3b0 R11: 0000000000074071 R12: 00000000006080c0 R13: 0000000000000000 R14: ffff8880b179c680 R15: 0000000000000020 kmem_cache_alloc+0x122/0x370 mm/slab.c:3559 kmem_cache_zalloc include/linux/slab.h:699 [inline] mmu_topup_memory_cache arch/x86/kvm/mmu.c:996 [inline] mmu_topup_memory_cache arch/x86/kvm/mmu.c:988 [inline] mmu_topup_memory_caches+0x8f/0x370 arch/x86/kvm/mmu.c:1042 kvm_mmu_load+0x1e/0x1200 arch/x86/kvm/mmu.c:5111 kvm_mmu_reload arch/x86/kvm/mmu.h:86 [inline] vcpu_enter_guest arch/x86/kvm/x86.c:7724 [inline] vcpu_run arch/x86/kvm/x86.c:7920 [inline] kvm_arch_vcpu_ioctl_run+0x4e5e/0x6f70 arch/x86/kvm/x86.c:8120 kvm_vcpu_ioctl+0x493/0xe10 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2847 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: 0033:0x7fe0dec01049 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fe0dd576168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fe0ded13f60 RCX: 00007fe0dec01049 RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005 RBP: 00007fe0dec5b08d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc0b82165f R14: 00007fe0dd576300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 26436 Comm: kworker/u4:10 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: bat_events batadv_purge_orig RIP: 0010:debug_object_deactivate lib/debugobjects.c:544 [inline] RIP: 0010:debug_object_deactivate+0x1bd/0x2e0 lib/debugobjects.c:529 Code: 48 c7 44 24 40 00 00 00 00 48 c7 44 24 48 00 00 00 00 c7 44 24 50 05 00 00 00 4c 89 74 24 58 e8 e9 fa ff ff 4c 8b 04 24 eb 31 <48> 8d 7d 10 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f RSP: 0018:ffff8880ba107d08 EFLAGS: 00000046 RAX: 1ffff110136376ea RBX: 0000000000000001 RCX: ffffffff814bdebb RDX: 1ffffffff1a6dfb3 RSI: ffffffff89f90a40 RDI: ffff88809b1bb750 RBP: ffff88809b1bb738 R08: 0000000000000086 R09: fffffbfff1a6dfb1 R10: ffffffff8d36fd8b R11: 0000000000000000 R12: dffffc0000000000 R13: 1ffff11017420fa3 R14: ffff8880aac9e058 R15: ffffffff8d36fd88 FS: 0000000000000000(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555557413848 CR3: 00000000aa8ba000 CR4: 00000000003426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: debug_timer_deactivate kernel/time/timer.c:723 [inline] debug_deactivate kernel/time/timer.c:779 [inline] detach_timer kernel/time/timer.c:824 [inline] expire_timers+0xfd/0x4e0 kernel/time/timer.c:1365 __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:should_resched arch/x86/include/asm/preempt.h:99 [inline] RIP: 0010:__local_bh_enable_ip+0x18d/0x270 kernel/softirq.c:196 Code: 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 dd 00 00 00 48 83 3d c8 5f b8 08 00 0f 84 8d 00 00 00 fb 66 0f 1f 44 00 00 <65> 8b 05 6c bc c8 7e 85 c0 74 7d 5b 5d 41 5c c3 80 3d f3 87 d5 09 RSP: 0018:ffff88801ed3fc08 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff13e3053 RBX: 0000000000000201 RCX: 1ffff11013183552 RDX: dffffc0000000000 RSI: ffff888098c1aa70 RDI: ffff888098c1aa44 RBP: ffffffff87d9b0cc R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff888098c1a1c0 R13: ffff888030691c00 R14: dffffc0000000000 R15: 000000000000019f spin_unlock_bh include/linux/spinlock.h:374 [inline] batadv_purge_orig_ref+0xa2c/0x1110 net/batman-adv/originator.c:1379 batadv_purge_orig+0x17/0x60 net/batman-adv/originator.c:1392 process_one_work+0x864/0x1570 kernel/workqueue.c:2153 worker_thread+0x64c/0x1130 kernel/workqueue.c:2296 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 ---------------- Code disassembly (best guess): 0: 08 00 or %al,(%rax) 2: 00 00 add %al,(%rax) 4: 00 00 add %al,(%rax) 6: 00 48 c1 add %cl,-0x3f(%rax) 9: e8 03 80 3c 10 callq 0x103c8011 e: 00 0f add %cl,(%rdi) 10: 85 b7 01 00 00 48 test %esi,0x48000001(%rdi) 16: 83 3d 09 2e a6 08 00 cmpl $0x0,0x8a62e09(%rip) # 0x8a62e26 1d: 0f 84 2a 01 00 00 je 0x14d 23: 48 8b 7c 24 08 mov 0x8(%rsp),%rdi 28: 57 push %rdi 29: 9d popfq * 2a: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) <-- trapping instruction 2f: 48 83 c4 18 add $0x18,%rsp 33: 5b pop %rbx 34: 5d pop %rbp 35: 41 5c pop %r12 37: 41 5d pop %r13 39: 41 5e pop %r14 3b: 41 5f pop %r15 3d: c3 retq 3e: 65 gs 3f: 8b .byte 0x8b