protocol 88fb is buggy, dev hsr_slave_1 protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 INFO: rcu_preempt self-detected stall on CPU 0-...: (10499 ticks this GP) idle=b12/140000000000002/0 softirq=121918/121918 fqs=31 (t=10500 jiffies g=31475 c=31474 q=964) rcu_preempt kthread starved for 10397 jiffies! g31475 c31474 f0x0 RCU_GP_WAIT_FQS(3) ->state=0x0 ->cpu=1 rcu_preempt R running task 29216 8 2 0x80000000 Call Trace: context_switch kernel/sched/core.c:2808 [inline] __schedule+0x7b8/0x1cd0 kernel/sched/core.c:3384 schedule+0x92/0x1c0 kernel/sched/core.c:3428 schedule_timeout+0x43e/0xe10 kernel/time/timer.c:1746 rcu_gp_kthread+0xbf4/0x1ec0 kernel/rcu/tree.c:2255 kthread+0x319/0x430 kernel/kthread.c:232 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404 NMI backtrace for cpu 0 CPU: 0 PID: 8196 Comm: syz-executor.4 Not tainted 4.14.161-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x142/0x197 lib/dump_stack.c:58 nmi_cpu_backtrace.cold+0x57/0x94 lib/nmi_backtrace.c:101 nmi_trigger_cpumask_backtrace+0x141/0x189 lib/nmi_backtrace.c:62 arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:38 trigger_single_cpu_backtrace include/linux/nmi.h:158 [inline] rcu_dump_cpu_stacks+0x186/0x1d2 kernel/rcu/tree.c:1396 print_cpu_stall kernel/rcu/tree.c:1542 [inline] check_cpu_stall kernel/rcu/tree.c:1610 [inline] __rcu_pending kernel/rcu/tree.c:3390 [inline] rcu_pending kernel/rcu/tree.c:3452 [inline] rcu_check_callbacks.cold+0x43d/0xd0a kernel/rcu/tree.c:2792 update_process_times+0x31/0x70 kernel/time/timer.c:1590 tick_sched_handle+0x85/0x160 kernel/time/tick-sched.c:161 tick_sched_timer+0x43/0x130 kernel/time/tick-sched.c:1219 __run_hrtimer kernel/time/hrtimer.c:1220 [inline] __hrtimer_run_queues+0x270/0xbc0 kernel/time/hrtimer.c:1284 hrtimer_interrupt+0x1d8/0x5d0 kernel/time/hrtimer.c:1318 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1075 [inline] smp_apic_timer_interrupt+0x11c/0x5e0 arch/x86/kernel/apic/apic.c:1100 apic_timer_interrupt+0x96/0xa0 arch/x86/entry/entry_64.S:792 RIP: 0010:kmem_cache_free+0x20/0x2b0 mm/slab.c:3751 RSP: 0018:ffff8880aec076d8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff10 RAX: 1ffffffff11682dc RBX: ffff8880848f8780 RCX: ffff888000082940 RDX: dffffc0000000000 RSI: ffff8880848f8780 RDI: ffff888215e4a7c0 RBP: ffff8880aec076f8 R08: 00000000f8d476a5 R09: ffff8880000829d8 R10: 0000000000000000 R11: 0000000000000000 R12: ffff888215e4a7c0 R13: ffff8880848f87a0 R14: ffff8880848f8798 R15: ffff8880848f8798 sctp_chunk_destroy net/sctp/sm_make_chunk.c:1446 [inline] sctp_chunk_put+0x1d3/0x270 net/sctp/sm_make_chunk.c:1469 sctp_chunk_free+0x56/0x70 net/sctp/sm_make_chunk.c:1456 sctp_packet_pack net/sctp/output.c:485 [inline] sctp_packet_transmit+0x113f/0x3010 net/sctp/output.c:605 sctp_outq_flush+0xd13/0x31b0 net/sctp/outqueue.c:1187 sctp_outq_uncork+0x60/0x70 net/sctp/outqueue.c:761 sctp_cmd_interpreter net/sctp/sm_sideeffect.c:1776 [inline] sctp_side_effects net/sctp/sm_sideeffect.c:1179 [inline] sctp_do_sm+0x417/0x4ae0 net/sctp/sm_sideeffect.c:1150 sctp_generate_heartbeat_event+0x1dd/0x400 net/sctp/sm_sideeffect.c:391 call_timer_fn+0x161/0x670 kernel/time/timer.c:1279 expire_timers kernel/time/timer.c:1318 [inline] __run_timers kernel/time/timer.c:1636 [inline] __run_timers kernel/time/timer.c:1604 [inline] run_timer_softirq+0x5b7/0x1520 kernel/time/timer.c:1649 __do_softirq+0x244/0x9a0 kernel/softirq.c:288 invoke_softirq kernel/softirq.c:368 [inline] irq_exit+0x160/0x1b0 kernel/softirq.c:409 exiting_irq arch/x86/include/asm/apic.h:648 [inline] smp_apic_timer_interrupt+0x146/0x5e0 arch/x86/kernel/apic/apic.c:1102 apic_timer_interrupt+0x96/0xa0 arch/x86/entry/entry_64.S:792 RIP: 0010:PageHuge+0x9/0x120 mm/hugetlb.c:1359 RSP: 0018:ffff888214497750 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff10 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 1ffffffff0f817ac RDX: 1ffffd40003a7daf RSI: ffffffff87040e40 RDI: ffffea0001d3ed40 RBP: ffff888214497768 R08: 0000000000000000 R09: ffff888000082988 R10: ffff888000082968 R11: ffff8880000820c0 R12: ffffea0001d3ed40 protocol 88fb is buggy, dev hsr_slave_0 R13: ffffea0001d3ed60 R14: ffffea0001d3ed40 R15: dead000000000100 protocol 88fb is buggy, dev hsr_slave_1 page_remove_file_rmap mm/rmap.c:1214 [inline] page_remove_rmap+0x1a7/0x940 mm/rmap.c:1296 zap_pte_range mm/memory.c:1342 [inline] zap_pmd_range mm/memory.c:1444 [inline] zap_pud_range mm/memory.c:1473 [inline] zap_p4d_range mm/memory.c:1494 [inline] unmap_page_range+0xabd/0x19f0 mm/memory.c:1515 unmap_single_vma+0x15d/0x2c0 mm/memory.c:1560 unmap_vmas+0xac/0x170 mm/memory.c:1590 exit_mmap+0x285/0x4e0 mm/mmap.c:3062 __mmput kernel/fork.c:930 [inline] mmput+0x114/0x440 kernel/fork.c:951 exit_mm kernel/exit.c:545 [inline] do_exit+0x6fc/0x2c80 kernel/exit.c:841 do_group_exit+0x111/0x330 kernel/exit.c:951 get_signal+0x381/0x1cd0 kernel/signal.c:2413 do_signal+0x86/0x19a0 arch/x86/kernel/signal.c:814 exit_to_usermode_loop+0x15c/0x220 arch/x86/entry/common.c:160 prepare_exit_to_usermode+0x1b5/0x220 arch/x86/entry/common.c:199 retint_user+0x8/0x18 RIP: 0033:0x404356 RSP: 002b:00007f0886f1ac90 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff10 RAX: 00007f0888d3d000 RBX: ffffffffffffffff RCX: 000000000045a9e9 RDX: 00000000000145c3 RSI: 0000000000000001 RDI: ffffffffffffffff protocol 88fb is buggy, dev hsr_slave_0 RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0886f1b6d4 R13: 00000000004ca9e1 R14: 00000000004e4008 R15: 00000000ffffffff INFO: rcu_sched self-detected stall on CPU INFO: rcu_sched detected stalls on CPUs/tasks: 0-...: (1 GPs behind) idle=b12/140000000000002/0 softirq=121864/121918 fqs=19 0-...: (1 GPs behind) idle=b12/140000000000002/0 softirq=121864/121918 fqs=19 (t=10505 jiffies g=22676 c=22675 q=5) (detected by 1, t=10505 jiffies, g=22676, c=22675, q=5) rcu_sched kthread starved for 10465 jiffies! g22676 c22675 f0x0 RCU_GP_WAIT_FQS(3) ->state=0x0 ->cpu=1 Sending NMI from CPU 1 to CPUs 0: rcu_sched R NMI backtrace for cpu 0 CPU: 0 PID: 8196 Comm: syz-executor.4 Not tainted 4.14.161-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff8880000820c0 task.stack: ffff888214490000 RIP: 0010:__sanitizer_cov_trace_pc+0x9/0x60 kernel/kcov.c:65 RSP: 0018:ffff8880aec06dd0 EFLAGS: 00000046 RAX: ffff8880000820c0 RBX: ffffffff86cb35a2 RCX: 0000000000000035 RDX: 1ffff11015d80dc9 RSI: 0000000000000001 RDI: ffff8880aec06e48 RBP: ffff8880aec06df8 R08: 0000000000000c66 R09: ffffffff89565d70 R10: ffff888000082a08 R11: ffff8880000820c0 R12: dffffc0000000000 R13: ffff8880aec06e48 R14: 0000000000000000 R15: ffffffff86cb35a2 FS: 00007f0886f1b700(0000) GS:ffff8880aec00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f9adb1f0610 CR3: 0000000007e6a000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: format_decode+0x70b/0x930 lib/vsprintf.c:1951 vsnprintf+0x145/0x1560 lib/vsprintf.c:2133 snprintf+0xa5/0xd0 lib/vsprintf.c:2314 print_time kernel/printk/printk.c:1228 [inline] print_prefix+0x23c/0x3a0 kernel/printk/printk.c:1253 msg_print_text+0x83/0x1b0 kernel/printk/printk.c:1276 console_unlock+0x302/0xed0 kernel/printk/printk.c:2374 vprintk_emit kernel/printk/printk.c:1923 [inline] vprintk_emit+0x1f9/0x600 kernel/printk/printk.c:1888 vprintk_default+0x28/0x30 kernel/printk/printk.c:1963 vprintk_func+0x5d/0x159 kernel/printk/printk_safe.c:401 printk+0x9e/0xbc kernel/printk/printk.c:1996 sched_show_task kernel/sched/core.c:5151 [inline] sched_show_task.cold+0xc3/0x351 kernel/sched/core.c:5143 rcu_check_gp_kthread_starvation+0x28e/0x2c7 kernel/rcu/tree.c:1374 print_cpu_stall kernel/rcu/tree.c:1540 [inline] check_cpu_stall kernel/rcu/tree.c:1610 [inline] __rcu_pending kernel/rcu/tree.c:3390 [inline] rcu_pending kernel/rcu/tree.c:3452 [inline] rcu_check_callbacks.cold+0x435/0xd0a kernel/rcu/tree.c:2792 update_process_times+0x31/0x70 kernel/time/timer.c:1590 tick_sched_handle+0x85/0x160 kernel/time/tick-sched.c:161 tick_sched_timer+0x43/0x130 kernel/time/tick-sched.c:1219 __run_hrtimer kernel/time/hrtimer.c:1220 [inline] __hrtimer_run_queues+0x270/0xbc0 kernel/time/hrtimer.c:1284 hrtimer_interrupt+0x1d8/0x5d0 kernel/time/hrtimer.c:1318 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1075 [inline] smp_apic_timer_interrupt+0x11c/0x5e0 arch/x86/kernel/apic/apic.c:1100 apic_timer_interrupt+0x96/0xa0 arch/x86/entry/entry_64.S:792 RIP: 0010:kmem_cache_free+0x20/0x2b0 mm/slab.c:3751 RSP: 0018:ffff8880aec076d8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff10 RAX: 1ffffffff11682dc RBX: ffff8880848f8780 RCX: ffff888000082940 RDX: dffffc0000000000 RSI: ffff8880848f8780 RDI: ffff888215e4a7c0 RBP: ffff8880aec076f8 R08: 00000000f8d476a5 R09: ffff8880000829d8 R10: 0000000000000000 R11: 0000000000000000 R12: ffff888215e4a7c0 R13: ffff8880848f87a0 R14: ffff8880848f8798 R15: ffff8880848f8798 sctp_chunk_destroy net/sctp/sm_make_chunk.c:1446 [inline] sctp_chunk_put+0x1d3/0x270 net/sctp/sm_make_chunk.c:1469 sctp_chunk_free+0x56/0x70 net/sctp/sm_make_chunk.c:1456 sctp_packet_pack net/sctp/output.c:485 [inline] sctp_packet_transmit+0x113f/0x3010 net/sctp/output.c:605 sctp_outq_flush+0xd13/0x31b0 net/sctp/outqueue.c:1187 sctp_outq_uncork+0x60/0x70 net/sctp/outqueue.c:761 sctp_cmd_interpreter net/sctp/sm_sideeffect.c:1776 [inline] sctp_side_effects net/sctp/sm_sideeffect.c:1179 [inline] sctp_do_sm+0x417/0x4ae0 net/sctp/sm_sideeffect.c:1150 sctp_generate_heartbeat_event+0x1dd/0x400 net/sctp/sm_sideeffect.c:391 call_timer_fn+0x161/0x670 kernel/time/timer.c:1279 expire_timers kernel/time/timer.c:1318 [inline] __run_timers kernel/time/timer.c:1636 [inline] __run_timers kernel/time/timer.c:1604 [inline] run_timer_softirq+0x5b7/0x1520 kernel/time/timer.c:1649 __do_softirq+0x244/0x9a0 kernel/softirq.c:288 invoke_softirq kernel/softirq.c:368 [inline] irq_exit+0x160/0x1b0 kernel/softirq.c:409 exiting_irq arch/x86/include/asm/apic.h:648 [inline] smp_apic_timer_interrupt+0x146/0x5e0 arch/x86/kernel/apic/apic.c:1102 apic_timer_interrupt+0x96/0xa0 arch/x86/entry/entry_64.S:792 RIP: 0010:PageHuge+0x9/0x120 mm/hugetlb.c:1359 RSP: 0018:ffff888214497750 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff10 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 1ffffffff0f817ac RDX: 1ffffd40003a7daf RSI: ffffffff87040e40 RDI: ffffea0001d3ed40 RBP: ffff888214497768 R08: 0000000000000000 R09: ffff888000082988 R10: ffff888000082968 R11: ffff8880000820c0 R12: ffffea0001d3ed40 R13: ffffea0001d3ed60 R14: ffffea0001d3ed40 R15: dead000000000100 page_remove_file_rmap mm/rmap.c:1214 [inline] page_remove_rmap+0x1a7/0x940 mm/rmap.c:1296 zap_pte_range mm/memory.c:1342 [inline] zap_pmd_range mm/memory.c:1444 [inline] zap_pud_range mm/memory.c:1473 [inline] zap_p4d_range mm/memory.c:1494 [inline] unmap_page_range+0xabd/0x19f0 mm/memory.c:1515 unmap_single_vma+0x15d/0x2c0 mm/memory.c:1560 unmap_vmas+0xac/0x170 mm/memory.c:1590 exit_mmap+0x285/0x4e0 mm/mmap.c:3062 __mmput kernel/fork.c:930 [inline] mmput+0x114/0x440 kernel/fork.c:951 exit_mm kernel/exit.c:545 [inline] do_exit+0x6fc/0x2c80 kernel/exit.c:841 do_group_exit+0x111/0x330 kernel/exit.c:951 get_signal+0x381/0x1cd0 kernel/signal.c:2413 do_signal+0x86/0x19a0 arch/x86/kernel/signal.c:814 exit_to_usermode_loop+0x15c/0x220 arch/x86/entry/common.c:160 prepare_exit_to_usermode+0x1b5/0x220 arch/x86/entry/common.c:199 retint_user+0x8/0x18 RIP: 0033:0x404356 RSP: 002b:00007f0886f1ac90 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff10 RAX: 00007f0888d3d000 RBX: ffffffffffffffff RCX: 000000000045a9e9 RDX: 00000000000145c3 RSI: 0000000000000001 RDI: ffffffffffffffff RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0886f1b6d4 R13: 00000000004ca9e1 R14: 00000000004e4008 R15: 00000000ffffffff Code: 4c 89 35 ab e8 4b 08 41 be f4 ff ff ff e8 33 34 ee ff 48 c7 05 95 e8 4b 08 00 00 00 00 e9 14 ec ff ff 65 48 8b 04 25 40 ee 01 00 <48> 85 c0 74 1a 65 8b 15 4b 9e a4 7e 81 e2 00 01 1f 00 75 0b 8b rcu_sched kthread starved for 10465 jiffies! g22676 c22675 f0x0 RCU_GP_WAIT_FQS(3) ->state=0x0 ->cpu=1 running task 29776 9 2 0x80000000 rcu_sched R Call Trace: running task context_switch kernel/sched/core.c:2808 [inline] __schedule+0x7b8/0x1cd0 kernel/sched/core.c:3384 29776 9 2 0x80000000 Call Trace: context_switch kernel/sched/core.c:2808 [inline] __schedule+0x7b8/0x1cd0 kernel/sched/core.c:3384 schedule+0x92/0x1c0 kernel/sched/core.c:3428 schedule_timeout+0x43e/0xe10 kernel/time/timer.c:1746 schedule+0x92/0x1c0 kernel/sched/core.c:3428 schedule_timeout+0x43e/0xe10 kernel/time/timer.c:1746 rcu_gp_kthread+0xbf4/0x1ec0 kernel/rcu/tree.c:2255 kthread+0x319/0x430 kernel/kthread.c:232 rcu_gp_kthread+0xbf4/0x1ec0 kernel/rcu/tree.c:2255 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404 kthread+0x319/0x430 kernel/kthread.c:232 NMI backtrace for cpu 0 CPU: 0 PID: 8196 Comm: syz-executor.4 Not tainted 4.14.161-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x142/0x197 lib/dump_stack.c:58 nmi_cpu_backtrace.cold+0x57/0x94 lib/nmi_backtrace.c:101 nmi_trigger_cpumask_backtrace+0x141/0x189 lib/nmi_backtrace.c:62 arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:38 trigger_single_cpu_backtrace include/linux/nmi.h:158 [inline] rcu_dump_cpu_stacks+0x186/0x1d2 kernel/rcu/tree.c:1396 print_cpu_stall kernel/rcu/tree.c:1542 [inline] check_cpu_stall kernel/rcu/tree.c:1610 [inline] __rcu_pending kernel/rcu/tree.c:3390 [inline] rcu_pending kernel/rcu/tree.c:3452 [inline] rcu_check_callbacks.cold+0x43d/0xd0a kernel/rcu/tree.c:2792 update_process_times+0x31/0x70 kernel/time/timer.c:1590 tick_sched_handle+0x85/0x160 kernel/time/tick-sched.c:161 tick_sched_timer+0x43/0x130 kernel/time/tick-sched.c:1219 __run_hrtimer kernel/time/hrtimer.c:1220 [inline] __hrtimer_run_queues+0x270/0xbc0 kernel/time/hrtimer.c:1284 hrtimer_interrupt+0x1d8/0x5d0 kernel/time/hrtimer.c:1318 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1075 [inline] smp_apic_timer_interrupt+0x11c/0x5e0 arch/x86/kernel/apic/apic.c:1100 apic_timer_interrupt+0x96/0xa0 arch/x86/entry/entry_64.S:792 RIP: 0010:kmem_cache_free+0x20/0x2b0 mm/slab.c:3751 RSP: 0018:ffff8880aec076d8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff10 RAX: 1ffffffff11682dc RBX: ffff8880848f8780 RCX: ffff888000082940 RDX: dffffc0000000000 RSI: ffff8880848f8780 RDI: ffff888215e4a7c0 RBP: ffff8880aec076f8 R08: 00000000f8d476a5 R09: ffff8880000829d8 R10: 0000000000000000 R11: 0000000000000000 R12: ffff888215e4a7c0 R13: ffff8880848f87a0 R14: ffff8880848f8798 R15: ffff8880848f8798 sctp_chunk_destroy net/sctp/sm_make_chunk.c:1446 [inline] sctp_chunk_put+0x1d3/0x270 net/sctp/sm_make_chunk.c:1469 sctp_chunk_free+0x56/0x70 net/sctp/sm_make_chunk.c:1456 sctp_packet_pack net/sctp/output.c:485 [inline] sctp_packet_transmit+0x113f/0x3010 net/sctp/output.c:605 sctp_outq_flush+0xd13/0x31b0 net/sctp/outqueue.c:1187 sctp_outq_uncork+0x60/0x70 net/sctp/outqueue.c:761 sctp_cmd_interpreter net/sctp/sm_sideeffect.c:1776 [inline] sctp_side_effects net/sctp/sm_sideeffect.c:1179 [inline] sctp_do_sm+0x417/0x4ae0 net/sctp/sm_sideeffect.c:1150 sctp_generate_heartbeat_event+0x1dd/0x400 net/sctp/sm_sideeffect.c:391 call_timer_fn+0x161/0x670 kernel/time/timer.c:1279 expire_timers kernel/time/timer.c:1318 [inline] __run_timers kernel/time/timer.c:1636 [inline] __run_timers kernel/time/timer.c:1604 [inline] run_timer_softirq+0x5b7/0x1520 kernel/time/timer.c:1649 __do_softirq+0x244/0x9a0 kernel/softirq.c:288 invoke_softirq kernel/softirq.c:368 [inline] irq_exit+0x160/0x1b0 kernel/softirq.c:409 exiting_irq arch/x86/include/asm/apic.h:648 [inline] smp_apic_timer_interrupt+0x146/0x5e0 arch/x86/kernel/apic/apic.c:1102 apic_timer_interrupt+0x96/0xa0 arch/x86/entry/entry_64.S:792 RIP: 0010:PageHuge+0x9/0x120 mm/hugetlb.c:1359 RSP: 0018:ffff888214497750 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff10 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 1ffffffff0f817ac RDX: 1ffffd40003a7daf RSI: ffffffff87040e40 RDI: ffffea0001d3ed40 RBP: ffff888214497768 R08: 0000000000000000 R09: ffff888000082988 R10: ffff888000082968 R11: ffff8880000820c0 R12: ffffea0001d3ed40 R13: ffffea0001d3ed60 R14: ffffea0001d3ed40 R15: dead000000000100 page_remove_file_rmap mm/rmap.c:1214 [inline] page_remove_rmap+0x1a7/0x940 mm/rmap.c:1296 zap_pte_range mm/memory.c:1342 [inline] zap_pmd_range mm/memory.c:1444 [inline] zap_pud_range mm/memory.c:1473 [inline] zap_p4d_range mm/memory.c:1494 [inline] unmap_page_range+0xabd/0x19f0 mm/memory.c:1515 unmap_single_vma+0x15d/0x2c0 mm/memory.c:1560 unmap_vmas+0xac/0x170 mm/memory.c:1590 exit_mmap+0x285/0x4e0 mm/mmap.c:3062 __mmput kernel/fork.c:930 [inline] mmput+0x114/0x440 kernel/fork.c:951 exit_mm kernel/exit.c:545 [inline] do_exit+0x6fc/0x2c80 kernel/exit.c:841 do_group_exit+0x111/0x330 kernel/exit.c:951 get_signal+0x381/0x1cd0 kernel/signal.c:2413 do_signal+0x86/0x19a0 arch/x86/kernel/signal.c:814 exit_to_usermode_loop+0x15c/0x220 arch/x86/entry/common.c:160 prepare_exit_to_usermode+0x1b5/0x220 arch/x86/entry/common.c:199 retint_user+0x8/0x18 RIP: 0033:0x404356 RSP: 002b:00007f0886f1ac90 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff10 RAX: 00007f0888d3d000 RBX: ffffffffffffffff RCX: 000000000045a9e9 RDX: 00000000000145c3 RSI: 0000000000000001 RDI: ffffffffffffffff RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0886f1b6d4 R13: 00000000004ca9e1 R14: 00000000004e4008 R15: 00000000ffffffff INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.055 msecs protocol 88fb is buggy, dev hsr_slave_1 protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 kauditd_printk_skb: 8 callbacks suppressed audit: type=1400 audit(1577810532.460:4172): avc: denied { map } for pid=8237 comm="blkid" path="/lib/x86_64-linux-gnu/libblkid.so.1.1.0" dev="sda1" ino=2825 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 audit: type=1400 audit(1577810532.490:4173): avc: denied { map } for pid=8237 comm="blkid" path="/lib/x86_64-linux-gnu/libc-2.13.so" dev="sda1" ino=2784 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 audit: type=1400 audit(1577810532.490:4174): avc: denied { map } for pid=8237 comm="blkid" path="/lib/x86_64-linux-gnu/libc-2.13.so" dev="sda1" ino=2784 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 audit: type=1400 audit(1577810532.650:4175): avc: denied { map } for pid=8237 comm="blkid" path="/lib/x86_64-linux-gnu/libuuid.so.1.3.0" dev="sda1" ino=2819 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 audit: type=1400 audit(1577810532.660:4176): avc: denied { map } for pid=8237 comm="blkid" path="/lib/x86_64-linux-gnu/libuuid.so.1.3.0" dev="sda1" ino=2819 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 audit: type=1400 audit(1577810532.680:4177): avc: denied { map } for pid=8242 comm="modprobe" path="/bin/kmod" dev="sda1" ino=1440 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 audit: type=1400 audit(1577810532.680:4178): avc: denied { map } for pid=8242 comm="modprobe" path="/bin/kmod" dev="sda1" ino=1440 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 audit: type=1400 audit(1577810532.680:4179): avc: denied { map } for pid=8242 comm="modprobe" path="/lib/x86_64-linux-gnu/ld-2.13.so" dev="sda1" ino=2668 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 audit: type=1400 audit(1577810532.680:4180): avc: denied { map } for pid=8242 comm="modprobe" path="/lib/x86_64-linux-gnu/ld-2.13.so" dev="sda1" ino=2668 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 audit: type=1400 audit(1577810532.690:4181): avc: denied { map } for pid=8239 comm="modprobe" path="/bin/kmod" dev="sda1" ino=1440 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1