device bridge796 entered promiscuous mode Cannot find add_set index 0 as target bond709: making interface vlan568 the new active one bond709: Enslaving vlan568 as an active interface with an up link watchdog: BUG: soft lockup - CPU#0 stuck for 23s! [syz-executor.5:10443] Modules linked in: irq event stamp: 1984601 hardirqs last enabled at (1984600): [] trace_hardirqs_on_thunk+0x1a/0x1c hardirqs last disabled at (1984601): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (13488): [] __do_softirq+0x678/0x980 kernel/softirq.c:318 softirqs last disabled at (14221): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (14221): [] irq_exit+0x215/0x260 kernel/softirq.c:412 CPU: 0 PID: 10443 Comm: syz-executor.5 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:ffff8880ba007c90 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff13e3051 RBX: ffff88802d7243c0 RCX: 000000000000359e RDX: dffffc0000000000 RSI: 0000000079789e58 RDI: 0000000000000286 RBP: ffff88802e818470 R08: ffffffff8cd32230 R09: 0000000000000002 R10: ffff88802d724c98 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001 FS: 00007ffbb1cc5700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f44c4467718 CR3: 0000000049839000 CR4: 00000000003406f0 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] garp_join_timer+0x20/0xf0 net/802/garp.c:421 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:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline] RIP: 0010:lock_release+0x429/0x8b0 kernel/locking/lockdep.c:3930 Code: 84 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 95 03 00 00 48 83 3d 7b 34 a6 08 00 0f 84 cc 01 00 00 48 8b 3c 24 57 9d <0f> 1f 44 00 00 48 b8 00 00 00 00 00 fc ff df 49 c7 04 04 00 00 00 RSP: 0018:ffff888026e87728 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff13e3051 RBX: ffff88802d7243c0 RCX: 1ffff11005ae498e RDX: dffffc0000000000 RSI: 0000000000000002 RDI: 0000000000000286 RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000000 R12: 1ffff11004dd0ee8 R13: e3fbae02beb10428 R14: ffff88802d7243c0 R15: 0000000000000002 up_read+0x17/0x110 kernel/locking/rwsem.c:119 deliver_to_subscribers sound/core/seq/seq_clientmgr.c:691 [inline] snd_seq_deliver_event+0x5ed/0x960 sound/core/seq/seq_clientmgr.c:811 snd_seq_kernel_client_dispatch+0x145/0x170 sound/core/seq/seq_clientmgr.c:2325 dummy_input sound/core/seq/seq_dummy.c:104 [inline] dummy_input+0x239/0x320 sound/core/seq/seq_dummy.c:88 snd_seq_deliver_single_event.constprop.0+0x6bd/0x800 sound/core/seq/seq_clientmgr.c:621 snd_seq_deliver_event+0x4e7/0x960 sound/core/seq/seq_clientmgr.c:822 snd_seq_kernel_client_dispatch+0x145/0x170 sound/core/seq/seq_clientmgr.c:2325 snd_seq_oss_dispatch sound/core/seq/oss/seq_oss_device.h:150 [inline] snd_seq_oss_midi_reset+0x370/0x520 sound/core/seq/oss/seq_oss_midi.c:483 snd_seq_oss_synth_reset+0x40d/0x860 sound/core/seq/oss/seq_oss_synth.c:417 snd_seq_oss_reset+0x6f/0x290 sound/core/seq/oss/seq_oss_init.c:448 snd_seq_oss_release+0x6e/0x180 sound/core/seq/oss/seq_oss_init.c:425 odev_release+0x4f/0x70 sound/core/seq/oss/seq_oss.c:153 __fput+0x2ce/0x890 fs/file_table.c:278 task_work_run+0x148/0x1c0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:193 [inline] exit_to_usermode_loop+0x251/0x2a0 arch/x86/entry/common.c:167 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline] syscall_return_slowpath arch/x86/entry/common.c:271 [inline] do_syscall_64+0x538/0x620 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7ffbb3350059 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:00007ffbb1cc5168 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffea RBX: 00007ffbb3462f60 RCX: 00007ffbb3350059 RDX: 000000000000c543 RSI: 00000000200001c0 RDI: ffffffffffffff9c RBP: 00007ffbb33aa08d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd69f7e50f R14: 00007ffbb1cc5300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 10442 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:__read_once_size include/linux/compiler.h:263 [inline] RIP: 0010:csd_lock_wait kernel/smp.c:108 [inline] RIP: 0010:smp_call_function_single+0x1db/0x420 kernel/smp.c:302 Code: 00 e8 09 04 0a 00 48 8b 4c 24 08 48 8b 54 24 10 48 8d 74 24 40 8b 7c 24 1c e8 a1 f9 ff ff 41 89 c5 eb 07 e8 e7 03 0a 00 f3 90 <44> 8b 64 24 58 31 ff 41 83 e4 01 44 89 e6 e8 42 05 0a 00 45 85 e4 RSP: 0018:ffff888027917980 EFLAGS: 00000293 RAX: ffff888026540180 RBX: 1ffff11004f22f34 RCX: ffffffff8158819e RDX: 0000000000000000 RSI: ffffffff81588189 RDI: 0000000000000005 RBP: ffff888027917a60 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: 0000000000000001 R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000002 FS: 0000555557359400(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2fa28000 CR3: 000000002b3dc000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: smp_call_function_many+0x743/0x8d0 kernel/smp.c:434 smp_call_function kernel/smp.c:492 [inline] on_each_cpu+0x47/0x240 kernel/smp.c:602 text_poke_bp+0xd7/0x1a0 arch/x86/kernel/alternative.c:818 __jump_label_transform+0x2d6/0x460 arch/x86/kernel/jump_label.c:103 arch_jump_label_transform+0x26/0x40 arch/x86/kernel/jump_label.c:111 __jump_label_update+0x1cf/0x230 kernel/jump_label.c:383 jump_label_update kernel/jump_label.c:768 [inline] jump_label_update+0x177/0x310 kernel/jump_label.c:747 __static_key_slow_dec_cpuslocked+0x23d/0x280 kernel/jump_label.c:212 __static_key_slow_dec kernel/jump_label.c:223 [inline] static_key_slow_dec+0x5b/0x90 kernel/jump_label.c:237 tracepoint_remove_func kernel/tracepoint.c:347 [inline] tracepoint_probe_unregister+0x513/0x860 kernel/tracepoint.c:443 bpf_raw_tracepoint_release+0x82/0xf0 kernel/bpf/syscall.c:1525 __fput+0x2ce/0x890 fs/file_table.c:278 task_work_run+0x148/0x1c0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:193 [inline] exit_to_usermode_loop+0x251/0x2a0 arch/x86/entry/common.c:167 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline] syscall_return_slowpath arch/x86/entry/common.c:271 [inline] do_syscall_64+0x538/0x620 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f9bfda5bc9b Code: 0f 05 48 3d 00 f0 ff ff 77 45 c3 0f 1f 40 00 48 83 ec 18 89 7c 24 0c e8 63 fc ff ff 8b 7c 24 0c 41 89 c0 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 35 44 89 c7 89 44 24 0c e8 a1 fc ff ff 8b 44 RSP: 002b:00007fff882fcc50 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000005 RCX: 00007f9bfda5bc9b RDX: 0000001b2fa20000 RSI: 0000001b2fa25364 RDI: 0000000000000004 RBP: 00007f9bfdbbd960 R08: 0000000000000000 R09: 000000003253460c R10: 000a562cf27c29f3 R11: 0000000000000293 R12: 0000000000107492 R13: 00007fff882fcd50 R14: 00007fff882fcd70 R15: 0000000000000032 ---------------- 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