watchdog: BUG: soft lockup - CPU#0 stuck for 123s! [syz-executor.3:18129] Modules linked in: irq event stamp: 0 hardirqs last enabled at (0): [<0000000000000000>] 0x0 hardirqs last disabled at (0): [] copy_process+0x1815/0x6b00 kernel/fork.c:1960 softirqs last enabled at (0): [] copy_process+0x18bc/0x6b00 kernel/fork.c:1963 softirqs last disabled at (0): [<0000000000000000>] 0x0 CPU: 0 PID: 18129 Comm: syz-executor.3 Not tainted 5.3.0-rc1-next-20190726 #53 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:check_memory_region+0x1f/0x1a0 mm/kasan/generic.c:191 Code: 00 66 2e 0f 1f 84 00 00 00 00 00 48 85 f6 0f 84 34 01 00 00 48 b8 ff ff ff ff ff 7f ff ff 55 0f b6 d2 48 39 c7 48 89 e5 41 55 <41> 54 53 0f 86 07 01 00 00 4c 8d 5c 37 ff 49 89 f8 48 b8 00 00 00 RSP: 0018:ffff8880ae8091e8 EFLAGS: 00000216 ORIG_RAX: ffffffffffffff13 RAX: ffff7fffffffffff RBX: ffff8880a0188ec8 RCX: ffffffff8159a3d7 RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff8880a0188ec8 RBP: ffff8880ae8091f0 R08: 1ffff110140311d9 R09: ffffed10140311da R10: ffffed10140311d9 R11: ffff8880a0188ecb R12: 0000000000000001 R13: 0000000000000003 R14: ffffed10140311d9 R15: 0000000000000001 FS: 00005555563ba940(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b30328000 CR3: 00000000943b1000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __kasan_check_read+0x11/0x20 mm/kasan/common.c:92 atomic_read include/asm-generic/atomic-instrumented.h:26 [inline] virt_spin_lock arch/x86/include/asm/qspinlock.h:83 [inline] native_queued_spin_lock_slowpath+0xb7/0x9f0 kernel/locking/qspinlock.c:325 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:642 [inline] queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:50 [inline] queued_spin_lock include/asm-generic/qspinlock.h:81 [inline] do_raw_spin_lock+0x20e/0x2e0 kernel/locking/spinlock_debug.c:113 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:136 [inline] _raw_spin_lock_bh+0x3b/0x50 kernel/locking/spinlock.c:175 spin_lock_bh include/linux/spinlock.h:343 [inline] release_sock+0x20/0x1c0 net/core/sock.c:2932 wait_on_pending_writer+0x20f/0x420 net/tls/tls_main.c:91 tls_sk_proto_cleanup+0x2c5/0x3e0 net/tls/tls_main.c:295 tls_sk_proto_unhash+0x90/0x3f0 net/tls/tls_main.c:330 tcp_set_state+0x5b9/0x7d0 net/ipv4/tcp.c:2235 tcp_done+0xe2/0x320 net/ipv4/tcp.c:3824 tcp_reset+0x132/0x500 net/ipv4/tcp_input.c:4080 tcp_validate_incoming+0xa2d/0x1660 net/ipv4/tcp_input.c:5440 tcp_rcv_established+0x6b5/0x1e70 net/ipv4/tcp_input.c:5648 tcp_v6_do_rcv+0x41e/0x12c0 net/ipv6/tcp_ipv6.c:1356 tcp_v6_rcv+0x31f1/0x3500 net/ipv6/tcp_ipv6.c:1588 ip6_protocol_deliver_rcu+0x2fe/0x1660 net/ipv6/ip6_input.c:397 ip6_input_finish+0x84/0x170 net/ipv6/ip6_input.c:438 NF_HOOK include/linux/netfilter.h:305 [inline] NF_HOOK include/linux/netfilter.h:299 [inline] ip6_input+0xe4/0x3f0 net/ipv6/ip6_input.c:447 dst_input include/net/dst.h:442 [inline] ip6_rcv_finish+0x1de/0x2f0 net/ipv6/ip6_input.c:76 NF_HOOK include/linux/netfilter.h:305 [inline] NF_HOOK include/linux/netfilter.h:299 [inline] ipv6_rcv+0x10e/0x420 net/ipv6/ip6_input.c:272 __netif_receive_skb_one_core+0x113/0x1a0 net/core/dev.c:4999 __netif_receive_skb+0x2c/0x1d0 net/core/dev.c:5113 process_backlog+0x206/0x750 net/core/dev.c:5924 napi_poll net/core/dev.c:6347 [inline] net_rx_action+0x508/0x10c0 net/core/dev.c:6413 __do_softirq+0x262/0x98c kernel/softirq.c:292 do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:1080 do_softirq.part.0+0x11a/0x170 kernel/softirq.c:337 do_softirq kernel/softirq.c:329 [inline] __local_bh_enable_ip+0x211/0x270 kernel/softirq.c:189 local_bh_enable include/linux/bottom_half.h:32 [inline] inet_csk_listen_stop+0x1e0/0x850 net/ipv4/inet_connection_sock.c:993 tcp_close+0xd5b/0x10e0 net/ipv4/tcp.c:2338 inet_release+0xed/0x200 net/ipv4/af_inet.c:427 inet6_release+0x53/0x80 net/ipv6/af_inet6.c:470 __sock_release+0xce/0x280 net/socket.c:590 sock_close+0x1e/0x30 net/socket.c:1268 __fput+0x2ff/0x890 fs/file_table.c:280 ____fput+0x16/0x20 fs/file_table.c:313 task_work_run+0x145/0x1c0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_usermode_loop+0x316/0x380 arch/x86/entry/common.c:163 prepare_exit_to_usermode arch/x86/entry/common.c:194 [inline] syscall_return_slowpath arch/x86/entry/common.c:274 [inline] do_syscall_64+0x65f/0x760 arch/x86/entry/common.c:300 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x413511 Code: 75 14 b8 03 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 04 1b 00 00 c3 48 83 ec 08 e8 0a fc ff ff 48 89 04 24 b8 03 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 53 fc ff ff 48 89 d0 48 83 c4 08 48 3d 01 RSP: 002b:00007ffe62ddb260 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000006 RCX: 0000000000413511 RDX: 0000000000000000 RSI: 0000000000001048 RDI: 0000000000000005 RBP: 0000000000000001 R08: 000000007a14b048 R09: 000000007a14b04c R10: 00007ffe62ddb340 R11: 0000000000000293 R12: 000000000075c9a0 R13: 000000000075c9a0 R14: 0000000000761308 R15: ffffffffffffffff Sending NMI from CPU 0 to CPUs 1: INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.166 msecs NMI backtrace for cpu 1 CPU: 1 PID: 18024 Comm: syz-executor.2 Not tainted 5.3.0-rc1-next-20190726 #53 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:check_memory_region+0x21/0x1a0 mm/kasan/generic.c:191 Code: 2e 0f 1f 84 00 00 00 00 00 48 85 f6 0f 84 34 01 00 00 48 b8 ff ff ff ff ff 7f ff ff 55 0f b6 d2 48 39 c7 48 89 e5 41 55 41 54 <53> 0f 86 07 01 00 00 4c 8d 5c 37 ff 49 89 f8 48 b8 00 00 00 00 00 RSP: 0018:ffff8880ae9091e0 EFLAGS: 00000212 RAX: ffff7fffffffffff RBX: ffff888051286388 RCX: ffffffff8159a3d7 RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888051286388 RBP: ffff8880ae9091f0 R08: 1ffff1100a250c71 R09: ffffed100a250c72 R10: ffffed100a250c71 R11: ffff88805128638b R12: 0000000000000001 R13: 0000000000000003 R14: ffffed100a250c71 R15: 0000000000000001 FS: 00005555565aa940(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b30028000 CR3: 0000000099529000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __kasan_check_read+0x11/0x20 mm/kasan/common.c:92 atomic_read include/asm-generic/atomic-instrumented.h:26 [inline] virt_spin_lock arch/x86/include/asm/qspinlock.h:83 [inline] native_queued_spin_lock_slowpath+0xb7/0x9f0 kernel/locking/qspinlock.c:325 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:642 [inline] queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:50 [inline] queued_spin_lock include/asm-generic/qspinlock.h:81 [inline] do_raw_spin_lock+0x20e/0x2e0 kernel/locking/spinlock_debug.c:113 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:136 [inline] _raw_spin_lock_bh+0x3b/0x50 kernel/locking/spinlock.c:175 spin_lock_bh include/linux/spinlock.h:343 [inline] release_sock+0x20/0x1c0 net/core/sock.c:2932 wait_on_pending_writer+0x20f/0x420 net/tls/tls_main.c:91 tls_sk_proto_cleanup+0x2c5/0x3e0 net/tls/tls_main.c:295 tls_sk_proto_unhash+0x90/0x3f0 net/tls/tls_main.c:330 tcp_set_state+0x5b9/0x7d0 net/ipv4/tcp.c:2235 tcp_done+0xe2/0x320 net/ipv4/tcp.c:3824 tcp_reset+0x132/0x500 net/ipv4/tcp_input.c:4080 tcp_validate_incoming+0xa2d/0x1660 net/ipv4/tcp_input.c:5440 tcp_rcv_established+0x6b5/0x1e70 net/ipv4/tcp_input.c:5648 tcp_v6_do_rcv+0x41e/0x12c0 net/ipv6/tcp_ipv6.c:1356 tcp_v6_rcv+0x31f1/0x3500 net/ipv6/tcp_ipv6.c:1588 ip6_protocol_deliver_rcu+0x2fe/0x1660 net/ipv6/ip6_input.c:397 ip6_input_finish+0x84/0x170 net/ipv6/ip6_input.c:438 NF_HOOK include/linux/netfilter.h:305 [inline] NF_HOOK include/linux/netfilter.h:299 [inline] ip6_input+0xe4/0x3f0 net/ipv6/ip6_input.c:447 dst_input include/net/dst.h:442 [inline] ip6_rcv_finish+0x1de/0x2f0 net/ipv6/ip6_input.c:76 NF_HOOK include/linux/netfilter.h:305 [inline] NF_HOOK include/linux/netfilter.h:299 [inline] ipv6_rcv+0x10e/0x420 net/ipv6/ip6_input.c:272 __netif_receive_skb_one_core+0x113/0x1a0 net/core/dev.c:4999 __netif_receive_skb+0x2c/0x1d0 net/core/dev.c:5113 process_backlog+0x206/0x750 net/core/dev.c:5924 napi_poll net/core/dev.c:6347 [inline] net_rx_action+0x508/0x10c0 net/core/dev.c:6413 __do_softirq+0x262/0x98c kernel/softirq.c:292 do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:1080 do_softirq.part.0+0x11a/0x170 kernel/softirq.c:337 do_softirq kernel/softirq.c:329 [inline] __local_bh_enable_ip+0x211/0x270 kernel/softirq.c:189 local_bh_enable include/linux/bottom_half.h:32 [inline] inet_csk_listen_stop+0x1e0/0x850 net/ipv4/inet_connection_sock.c:993 tcp_close+0xd5b/0x10e0 net/ipv4/tcp.c:2338 inet_release+0xed/0x200 net/ipv4/af_inet.c:427 inet6_release+0x53/0x80 net/ipv6/af_inet6.c:470 __sock_release+0xce/0x280 net/socket.c:590 sock_close+0x1e/0x30 net/socket.c:1268 __fput+0x2ff/0x890 fs/file_table.c:280 ____fput+0x16/0x20 fs/file_table.c:313 task_work_run+0x145/0x1c0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_usermode_loop+0x316/0x380 arch/x86/entry/common.c:163 prepare_exit_to_usermode arch/x86/entry/common.c:194 [inline] syscall_return_slowpath arch/x86/entry/common.c:274 [inline] do_syscall_64+0x65f/0x760 arch/x86/entry/common.c:300 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x413511 Code: 75 14 b8 03 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 04 1b 00 00 c3 48 83 ec 08 e8 0a fc ff ff 48 89 04 24 b8 03 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 53 fc ff ff 48 89 d0 48 83 c4 08 48 3d 01 RSP: 002b:00007fff932fd9f0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000006 RCX: 0000000000413511 RDX: 0000000000000000 RSI: 0000000000000ce3 RDI: 0000000000000005 RBP: 0000000000000001 R08: 00000000cf152ce3 R09: 00000000cf152ce7 R10: 00007fff932fdad0 R11: 0000000000000293 R12: 000000000075c9a0 R13: 000000000075c9a0 R14: 0000000000761220 R15: ffffffffffffffff