IPv6: ADDRCONF(NETDEV_UP): vlan786: link is not ready EXT4-fs: failed to create workqueue EXT4-fs (loop4): mount failed ieee802154 phy0 wpan0: encryption failed: -22 ieee802154 phy1 wpan1: encryption failed: -22 watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [syz-executor.3:5663] Modules linked in: irq event stamp: 5020499 hardirqs last enabled at (5020498): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] hardirqs last enabled at (5020498): [] _raw_spin_unlock_irqrestore+0x79/0xe0 kernel/locking/spinlock.c:184 hardirqs last disabled at (5020499): [] 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 (527): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (527): [] irq_exit+0x215/0x260 kernel/softirq.c:412 CPU: 0 PID: 5663 Comm: syz-executor.3 Not tainted 4.19.205-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:__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 c8 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 bc 62 d8 01 00 74 15 48 89 df 57 9d <0f> 1f 44 00 00 eb b2 e8 fb 1c e7 f8 eb c0 0f 0b 0f 0b 48 c7 c7 c8 RSP: 0018:ffff8880ba007cb0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff13e3059 RBX: 0000000000000286 RCX: 1ffff11007d8212d RDX: dffffc0000000000 RSI: ffff88803ec10948 RDI: 0000000000000286 RBP: ffff888018e71528 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: ffff888018e71528 R14: 0000000000000000 R15: 0000000000000000 FS: 00007f746c9dc700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f746c9bb718 CR3: 0000000238fa0000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: spin_unlock_irqrestore include/linux/spinlock.h:384 [inline] skb_dequeue+0x125/0x180 net/core/skbuff.c:2839 garp_queue_xmit net/802/garp.c:274 [inline] garp_join_timer+0xc3/0xf0 net/802/garp.c:426 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:bytes_is_nonzero mm/kasan/kasan.c:166 [inline] RIP: 0010:memory_is_nonzero mm/kasan/kasan.c:184 [inline] RIP: 0010:memory_is_poisoned_n mm/kasan/kasan.c:210 [inline] RIP: 0010:memory_is_poisoned mm/kasan/kasan.c:241 [inline] RIP: 0010:check_memory_region_inline mm/kasan/kasan.c:257 [inline] RIP: 0010:check_memory_region+0xba/0x170 mm/kasan/kasan.c:267 Code: 00 74 f1 48 8d 50 08 eb 09 48 83 c0 01 48 39 d0 74 0e 80 38 00 74 f2 48 85 c0 0f 85 9c 00 00 00 5b 5d 41 5c c3 48 85 d2 74 f6 <48> 01 ea eb 09 48 83 c0 01 48 39 d0 74 e8 80 38 00 74 f2 eb d8 41 RSP: 0018:ffff8882340f7b98 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff13 RAX: ffffed101740455a RBX: ffffed101740455b RCX: ffffffff81519ae3 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff8880ba022ad0 RBP: ffffed101740455a R08: 0000000000000000 R09: ffffed101740455a R10: ffff8880ba022ad3 R11: 00000000215c7eb8 R12: ffff88809cf20380 R13: 0000000000000028 R14: 0000000000000038 R15: ffffffff83773a99 atomic_read include/asm-generic/atomic-instrumented.h:21 [inline] rcu_dynticks_curr_cpu_in_eqs kernel/rcu/tree.c:350 [inline] rcu_is_watching+0x53/0xc0 kernel/rcu/tree.c:1025 rcu_read_lock_sched_held+0xc6/0x1d0 kernel/rcu/update.c:113 trace_kmem_cache_alloc include/trace/events/kmem.h:54 [inline] kmem_cache_alloc+0x315/0x370 mm/slab.c:3560 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 inet_csk_init_xmit_timers+0x36/0xf0 net/ipv4/inet_connection_sock.c:541 tcp_init_xmit_timers+0x26/0xc0 net/ipv4/tcp_timer.c:759 tcp_init_sock+0x72/0x950 net/ipv4/tcp.c:414 tcp_v4_init_sock+0x11/0x80 net/ipv4/tcp_ipv4.c:1965 inet_create net/ipv4/af_inet.c:379 [inline] inet_create+0x868/0xdf0 net/ipv4/af_inet.c:247 __sock_create+0x3d8/0x740 net/socket.c:1363 sock_create net/socket.c:1414 [inline] __sys_socket+0xef/0x200 net/socket.c:1456 __do_sys_socket net/socket.c:1465 [inline] __se_sys_socket net/socket.c:1463 [inline] __x64_sys_socket+0x6f/0xb0 net/socket.c:1463 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4665f9 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:00007f746c9dc188 EFLAGS: 00000246 ORIG_RAX: 0000000000000029 RAX: ffffffffffffffda RBX: 000000000056c038 RCX: 00000000004665f9 RDX: 0000000000000000 RSI: 4000000000000001 RDI: 0000000000000002 RBP: 00000000004bfcc4 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c038 R13: 00007ffd41cd54ef R14: 00007f746c9dc300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 skipped: idling at native_safe_halt+0xe/0x10 arch/x86/include/asm/irqflags.h:60 ---------------- Code disassembly (best guess): 0: 48 c7 c0 c8 82 f1 89 mov $0xffffffff89f182c8,%rax 7: 48 ba 00 00 00 00 00 movabs $0xdffffc0000000000,%rdx e: fc ff df 11: 48 c1 e8 03 shr $0x3,%rax 15: 80 3c 10 00 cmpb $0x0,(%rax,%rdx,1) 19: 75 2f jne 0x4a 1b: 48 83 3d bc 62 d8 01 cmpq $0x0,0x1d862bc(%rip) # 0x1d862df 22: 00 23: 74 15 je 0x3a 25: 48 89 df mov %rbx,%rdi 28: 57 push %rdi 29: 9d popfq * 2a: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) <-- trapping instruction 2f: eb b2 jmp 0xffffffe3 31: e8 fb 1c e7 f8 callq 0xf8e71d31 36: eb c0 jmp 0xfffffff8 38: 0f 0b ud2 3a: 0f 0b ud2 3c: 48 rex.W 3d: c7 .byte 0xc7 3e: c7 (bad) 3f: c8 .byte 0xc8