team0 (unregistering): Port device team_slave_1 removed team0 (unregistering): Port device team_slave_0 removed bond0 (unregistering): Releasing backup interface bond_slave_1 bond0 (unregistering): Releasing backup interface bond_slave_0 bond0 (unregistering): Released all slaves INFO: task rs:main Q:Reg:4348 blocked for more than 140 seconds. Not tainted 4.18.0-rc4-next-20180711+ #4 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. rs:main Q:Reg D23312 4348 1 0x00000000 Call Trace: context_switch kernel/sched/core.c:2853 [inline] __schedule+0x87c/0x1ed0 kernel/sched/core.c:3501 schedule+0xfb/0x450 kernel/sched/core.c:3545 __rwsem_down_read_failed_common kernel/locking/rwsem-xadd.c:269 [inline] rwsem_down_read_failed+0x362/0x600 kernel/locking/rwsem-xadd.c:286 call_rwsem_down_read_failed+0x18/0x30 arch/x86/lib/rwsem.S:94 __down_read arch/x86/include/asm/rwsem.h:83 [inline] __percpu_down_read+0x1a0/0x290 kernel/locking/percpu-rwsem.c:86 percpu_down_read_preempt_disable include/linux/percpu-rwsem.h:49 [inline] percpu_down_read include/linux/percpu-rwsem.h:59 [inline] __sb_start_write+0x2d7/0x300 fs/super.c:1512 file_start_write include/linux/fs.h:2782 [inline] vfs_write+0x42a/0x560 fs/read_write.c:548 ksys_write+0x101/0x260 fs/read_write.c:598 __do_sys_write fs/read_write.c:610 [inline] __se_sys_write fs/read_write.c:607 [inline] __x64_sys_write+0x73/0xb0 fs/read_write.c:607 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7fa92651b19d Code: Bad RIP value. RSP: 002b:00007fa924abc000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00000000000000c5 RCX: 00007fa92651b19d RDX: 00000000000000c5 RSI: 0000000000b5ba90 RDI: 0000000000000005 RBP: 0000000000b5ba90 R08: 0000000000b5bb45 R09: 3120343220766f4e R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 R13: 00007fa924abc480 R14: 0000000000000002 R15: 0000000000b5b890 percpu_rw_semaphore(00000000e2134625) ->rw_sem.count=0xfffffffe00000001 ->rss.gp_state=2 ->rss.gp_count=1 ->rss.cb_state=0 ->rss.gp_type=1 ->readers_block=1 ->read_count=0 ->list_empty(rw_sem.wait_list)=0 ->writer.task= (null) INFO: task syz-fuzzer:4465 blocked for more than 140 seconds. Not tainted 4.18.0-rc4-next-20180711+ #4 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-fuzzer D19952 4465 4461 0x00000000 Call Trace: context_switch kernel/sched/core.c:2853 [inline] __schedule+0x87c/0x1ed0 kernel/sched/core.c:3501 schedule+0xfb/0x450 kernel/sched/core.c:3545 __rwsem_down_read_failed_common kernel/locking/rwsem-xadd.c:269 [inline] rwsem_down_read_failed+0x362/0x600 kernel/locking/rwsem-xadd.c:286 call_rwsem_down_read_failed+0x18/0x30 arch/x86/lib/rwsem.S:94 __down_read arch/x86/include/asm/rwsem.h:83 [inline] __percpu_down_read+0x1a0/0x290 kernel/locking/percpu-rwsem.c:86 percpu_down_read_preempt_disable include/linux/percpu-rwsem.h:49 [inline] percpu_down_read include/linux/percpu-rwsem.h:59 [inline] __sb_start_write+0x2d7/0x300 fs/super.c:1512 sb_start_pagefault include/linux/fs.h:1614 [inline] ext4_page_mkwrite+0x1d0/0x1430 fs/ext4/inode.c:6125 do_page_mkwrite+0x14e/0x520 mm/memory.c:2374 wp_page_shared mm/memory.c:2670 [inline] do_wp_page+0xf5c/0x1670 mm/memory.c:2770 handle_pte_fault mm/memory.c:3983 [inline] __handle_mm_fault+0x2abf/0x44a0 mm/memory.c:4091 handle_mm_fault+0x53e/0xc80 mm/memory.c:4128 __do_page_fault+0x620/0xe50 arch/x86/mm/fault.c:1397 do_page_fault+0xf6/0x8c0 arch/x86/mm/fault.c:1472 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1164 RIP: 0033:0x70b5e1 Code: 48 89 6c 24 10 48 8d 6c 24 10 48 8b 44 24 20 48 8b 48 08 48 8b 50 10 48 8d 58 08 48 83 fa 08 0f 8c 1e 01 00 00 48 8b 54 24 28 <88> 11 48 8b 48 08 48 8b 70 10 48 83 fe 01 0f 86 44 01 00 00 48 89 RSP: 002b:000000c42c5baa78 EFLAGS: 00010212 RAX: 000000c42c5bb1c0 RBX: 000000c42c5bb1c8 RCX: 00007f59ceb4b000 RDX: fffffffffffffffe RSI: 0000000001d35638 RDI: 000000c42c5baa88 RBP: 000000c42c5baa88 R08: 0000000000000000 R09: 0000000000000000 R10: 000000000095bb32 R11: 0000000000000004 R12: 0000000000000000 R13: 0000000000000020 R14: 0000000000000013 R15: 0000000000000000 percpu_rw_semaphore(00000000d6dd7ba0) ->rw_sem.count=0xfffffffe00000001 ->rss.gp_state=2 ->rss.gp_count=1 ->rss.cb_state=0 ->rss.gp_type=1 ->readers_block=1 ->read_count=0 ->list_empty(rw_sem.wait_list)=0 ->writer.task= (null) INFO: task syz-fuzzer:4480 blocked for more than 140 seconds. Not tainted 4.18.0-rc4-next-20180711+ #4 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-fuzzer D19952 4480 4461 0x00000000 Call Trace: context_switch kernel/sched/core.c:2853 [inline] __schedule+0x87c/0x1ed0 kernel/sched/core.c:3501 schedule+0xfb/0x450 kernel/sched/core.c:3545 __rwsem_down_read_failed_common kernel/locking/rwsem-xadd.c:269 [inline] rwsem_down_read_failed+0x362/0x600 kernel/locking/rwsem-xadd.c:286 call_rwsem_down_read_failed+0x18/0x30 arch/x86/lib/rwsem.S:94 __down_read arch/x86/include/asm/rwsem.h:83 [inline] __percpu_down_read+0x1a0/0x290 kernel/locking/percpu-rwsem.c:86 percpu_down_read_preempt_disable include/linux/percpu-rwsem.h:49 [inline] percpu_down_read include/linux/percpu-rwsem.h:59 [inline] __sb_start_write+0x2d7/0x300 fs/super.c:1512 sb_start_pagefault include/linux/fs.h:1614 [inline] ext4_page_mkwrite+0x1d0/0x1430 fs/ext4/inode.c:6125 do_page_mkwrite+0x14e/0x520 mm/memory.c:2374 wp_page_shared mm/memory.c:2670 [inline] do_wp_page+0xf5c/0x1670 mm/memory.c:2770 handle_pte_fault mm/memory.c:3983 [inline] __handle_mm_fault+0x2abf/0x44a0 mm/memory.c:4091 handle_mm_fault+0x53e/0xc80 mm/memory.c:4128 __do_page_fault+0x620/0xe50 arch/x86/mm/fault.c:1397 do_page_fault+0xf6/0x8c0 arch/x86/mm/fault.c:1472 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1164 RIP: 0033:0x70b5e1 Code: 48 89 6c 24 10 48 8d 6c 24 10 48 8b 44 24 20 48 8b 48 08 48 8b 50 10 48 8d 58 08 48 83 fa 08 0f 8c 1e 01 00 00 48 8b 54 24 28 <88> 11 48 8b 48 08 48 8b 70 10 48 83 fe 01 0f 86 44 01 00 00 48 89 RSP: 002b:000000c4258ed4b0 EFLAGS: 00010212 RAX: 000000c4258ed7f0 RBX: 000000c4258ed7f8 RCX: 00007f59d0f4b000 RDX: 000000000000074a RSI: 0000000000000000 RDI: 0000000000000930 RBP: 000000c4258ed4c0 R08: 0000000000000000 R09: 0000000000000000 R10: 000000000095bb32 R11: 0000000000000004 R12: 0000000000000000 R13: 0000000000000020 R14: 0000000000000013 R15: 000000c4258ed978 percpu_rw_semaphore(00000000d6dd7ba0) ->rw_sem.count=0xfffffffe00000001 ->rss.gp_state=2 ->rss.gp_count=1 ->rss.cb_state=0 ->rss.gp_type=1 ->readers_block=1 ->read_count=0 ->list_empty(rw_sem.wait_list)=0 ->writer.task= (null) INFO: task syz-executor3:4264 blocked for more than 140 seconds. Not tainted 4.18.0-rc4-next-20180711+ #4 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor3 D23200 4264 4231 0x00000000 Call Trace: context_switch kernel/sched/core.c:2853 [inline] __schedule+0x87c/0x1ed0 kernel/sched/core.c:3501 schedule+0xfb/0x450 kernel/sched/core.c:3545 __rwsem_down_read_failed_common kernel/locking/rwsem-xadd.c:269 [inline] rwsem_down_read_failed+0x362/0x600 kernel/locking/rwsem-xadd.c:286 call_rwsem_down_read_failed+0x18/0x30 arch/x86/lib/rwsem.S:94 __down_read arch/x86/include/asm/rwsem.h:83 [inline] __percpu_down_read+0x1a0/0x290 kernel/locking/percpu-rwsem.c:86 percpu_down_read_preempt_disable include/linux/percpu-rwsem.h:49 [inline] percpu_down_read include/linux/percpu-rwsem.h:59 [inline] __sb_start_write+0x2d7/0x300 fs/super.c:1512 sb_start_write include/linux/fs.h:1585 [inline] mnt_want_write+0x3f/0xc0 fs/namespace.c:364 do_unlinkat+0x2b7/0xa30 fs/namei.c:4086 __do_sys_unlink fs/namei.c:4151 [inline] __se_sys_unlink fs/namei.c:4149 [inline] __x64_sys_unlink+0x42/0x50 fs/namei.c:4149 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x455b77 Code: c0 48 89 44 24 30 48 8b 2c 24 48 83 c4 08 c3 89 74 24 28 48 83 c0 02 48 89 44 24 30 48 8b 2c 24 48 83 c4 08 c3 8d 7e 20 40 80 10 73 64 48 83 fa 02 7e c2 0f b6 54 0b 01 8d 7a 80 40 80 ff 3f RSP: 002b:00007fff8142f128 EFLAGS: 00000206 ORIG_RAX: 0000000000000057 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000455b77 RDX: 00007fff8142f130 RSI: 00007fff8142f1c0 RDI: 00007fff8142f1c0 RBP: 00007fff81430ed0 R08: 0000000000000000 R09: 000000000000000e R10: 000000000000000a R11: 0000000000000206 R12: 000000000257e940 R13: 0000000000000000 R14: 00007fff814308a0 R15: 0000000000702140 percpu_rw_semaphore(00000000e2134625) ->rw_sem.count=0xfffffffe00000001 ->rss.gp_state=2 ->rss.gp_count=1 ->rss.cb_state=0 ->rss.gp_type=1 ->readers_block=1 ->read_count=0 ->list_empty(rw_sem.wait_list)=0 ->writer.task= (null) INFO: task syz-executor1:4874 blocked for more than 140 seconds. Not tainted 4.18.0-rc4-next-20180711+ #4 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor1 D25040 4874 4493 0x00000004 Call Trace: context_switch kernel/sched/core.c:2853 [inline] __schedule+0x87c/0x1ed0 kernel/sched/core.c:3501 schedule+0xfb/0x450 kernel/sched/core.c:3545 __rwsem_down_read_failed_common kernel/locking/rwsem-xadd.c:269 [inline] rwsem_down_read_failed+0x362/0x600 kernel/locking/rwsem-xadd.c:286 call_rwsem_down_read_failed+0x18/0x30 arch/x86/lib/rwsem.S:94 __down_read arch/x86/include/asm/rwsem.h:83 [inline] __percpu_down_read+0x1a0/0x290 kernel/locking/percpu-rwsem.c:86 percpu_down_read_preempt_disable include/linux/percpu-rwsem.h:49 [inline] percpu_down_read include/linux/percpu-rwsem.h:59 [inline] __sb_start_write+0x2d7/0x300 fs/super.c:1512 sb_start_pagefault include/linux/fs.h:1614 [inline] ext4_page_mkwrite+0x1d0/0x1430 fs/ext4/inode.c:6125 do_page_mkwrite+0x14e/0x520 mm/memory.c:2374 wp_page_shared mm/memory.c:2670 [inline] do_wp_page+0xf5c/0x1670 mm/memory.c:2770 handle_pte_fault mm/memory.c:3983 [inline] __handle_mm_fault+0x2abf/0x44a0 mm/memory.c:4091 handle_mm_fault+0x53e/0xc80 mm/memory.c:4128 __do_page_fault+0x620/0xe50 arch/x86/mm/fault.c:1397 do_page_fault+0xf6/0x8c0 arch/x86/mm/fault.c:1472 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1164 RIP: 0033:0x4084b0 Code: 24 1f e9 d2 00 00 00 48 ff c2 48 83 fa 08 0f 83 ad 00 00 00 84 01 0f b6 1c 11 38 d8 75 e9 48 89 54 24 20 48 8b 5c 24 48 0f b6 <73> 50 48 0f af f2 0f b6 5b 51 48 89 cf 48 8d 74 3e 08 84 db 74 7c RSP: 002b:00007fff5206a0a0 EFLAGS: 00010283 RAX: 0000001b2c02458c RBX: 0000000000000000 RCX: 0000001b2d020000 RDX: 0000001b2c024590 RSI: 0000000000730798 RDI: 0000000000000007 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000396 R10: 00007fff5206a0e0 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000002 R14: 000000000072bf48 R15: 000000000072bf48 percpu_rw_semaphore(00000000d6dd7ba0) ->rw_sem.count=0xfffffffe00000001 ->rss.gp_state=2 ->rss.gp_count=1 ->rss.cb_state=0 ->rss.gp_type=1 ->readers_block=1 ->read_count=0 ->list_empty(rw_sem.wait_list)=0 ->writer.task= (null) INFO: lockdep is turned off. NMI backtrace for cpu 0 CPU: 0 PID: 903 Comm: khungtaskd Not tainted 4.18.0-rc4-next-20180711+ #4 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1c9/0x2b4 lib/dump_stack.c:113 nmi_cpu_backtrace.cold.3+0x48/0x88 lib/nmi_backtrace.c:101 nmi_trigger_cpumask_backtrace+0x151/0x192 lib/nmi_backtrace.c:62 arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:38 trigger_all_cpu_backtrace include/linux/nmi.h:144 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:231 [inline] watchdog+0xb81/0x10f0 kernel/hung_task.c:292 kthread+0x345/0x410 kernel/kthread.c:246 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:415 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 skipped: idling at native_safe_halt+0x6/0x10 arch/x86/include/asm/irqflags.h:54