IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready 8021q: adding VLAN 0 to HW filter on device batadv0 INFO: task syz-executor5:7040 blocked for more than 140 seconds. Not tainted 5.0.0-rc5 #60 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor5 D28096 7040 7034 0x00000004 Call Trace: context_switch kernel/sched/core.c:2844 [inline] __schedule+0x817/0x1cc0 kernel/sched/core.c:3485 schedule+0x92/0x180 kernel/sched/core.c:3529 __rwsem_down_read_failed_common kernel/locking/rwsem-xadd.c:287 [inline] rwsem_down_read_failed+0x213/0x420 kernel/locking/rwsem-xadd.c:304 call_rwsem_down_read_failed+0x18/0x30 arch/x86/lib/rwsem.S:94 __down_read arch/x86/include/asm/rwsem.h:83 [inline] down_read+0x49/0x90 kernel/locking/rwsem.c:26 do_user_addr_fault arch/x86/mm/fault.c:1426 [inline] __do_page_fault+0x9c2/0xd60 arch/x86/mm/fault.c:1541 do_page_fault+0x71/0x581 arch/x86/mm/fault.c:1572 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1143 RIP: 0033:0x400610 Code: 01 e9 c9 00 00 00 48 8b 44 24 10 48 0b 44 24 28 be 08 00 00 00 48 8b 14 24 75 17 48 8b 7c 24 20 e8 e5 4a 00 00 48 8b 4c 24 08 <48> 89 01 e9 9d 00 00 00 48 8b 44 24 08 48 8b 38 e8 cb 4a 00 00 8a RSP: 002b:00007ffc723c9840 EFLAGS: 00010202 RAX: 0000000000000008 RBX: 000000000073c900 RCX: 00000000200000c0 RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000000000008 RBP: 000000000073c900 R08: 0000000000000000 R09: 0000000000000000 R10: 00007ffc723c9940 R11: 0000000000000246 R12: fffffffffffffffe R13: 00000000001770a4 R14: 00000000000003e8 R15: 000000000073c04c INFO: task syz-executor5:7044 blocked for more than 140 seconds. Not tainted 5.0.0-rc5 #60 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor5 D28800 7044 7034 0x00000004 Call Trace: context_switch kernel/sched/core.c:2844 [inline] __schedule+0x817/0x1cc0 kernel/sched/core.c:3485 schedule+0x92/0x180 kernel/sched/core.c:3529 __rwsem_down_write_failed_common kernel/locking/rwsem-xadd.c:584 [inline] rwsem_down_write_failed+0x774/0xc30 kernel/locking/rwsem-xadd.c:613 call_rwsem_down_write_failed+0x17/0x30 arch/x86/lib/rwsem.S:117 __down_write arch/x86/include/asm/rwsem.h:142 [inline] down_write+0x53/0x90 kernel/locking/rwsem.c:72 do_mmu_notifier_register+0x38e/0x4a0 mm/mmu_notifier.c:256 mmu_notifier_register+0x23/0x30 mm/mmu_notifier.c:307 kvm_init_mmu_notifier arch/x86/kvm/../../../virt/kvm/kvm_main.c:511 [inline] kvm_create_vm arch/x86/kvm/../../../virt/kvm/kvm_main.c:679 [inline] kvm_dev_ioctl_create_vm arch/x86/kvm/../../../virt/kvm/kvm_main.c:3325 [inline] kvm_dev_ioctl+0xfe0/0x1750 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3377 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:509 [inline] do_vfs_ioctl+0xd6e/0x1390 fs/ioctl.c:696 ksys_ioctl+0xab/0xd0 fs/ioctl.c:713 __do_sys_ioctl fs/ioctl.c:720 [inline] __se_sys_ioctl fs/ioctl.c:718 [inline] __x64_sys_ioctl+0x73/0xb0 fs/ioctl.c:718 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457e39 Code: Bad RIP value. RSP: 002b:00007fa6d3989c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457e39 RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 0000000000000003 RBP: 000000000073c040 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa6d398a6d4 R13: 00000000004c0969 R14: 00000000004d2630 R15: 00000000ffffffff Showing all locks held in the system: 2 locks held by kworker/u4:1/21: 1 lock held by khungtaskd/1039: #0: 000000006ed01d62 (rcu_read_lock){....}, at: debug_show_all_locks+0x5f/0x27e kernel/locking/lockdep.c:4389 2 locks held by rs:main Q:Reg/7567: #0: 00000000559b933e (&f->f_pos_lock){+.+.}, at: __fdget_pos+0xee/0x110 fs/file.c:795 #1: 000000006ed01d62 (rcu_read_lock){....}, at: trace_sched_stat_runtime include/trace/events/sched.h:428 [inline] #1: 000000006ed01d62 (rcu_read_lock){....}, at: update_curr+0x2ce/0x8a0 kernel/sched/fair.c:829 1 lock held by rsyslogd/7569: #0: 000000000bec8766 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0xee/0x110 fs/file.c:795 2 locks held by getty/7659: #0: 000000005b2c6fc3 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341 #1: 000000003d42d68b (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2154 2 locks held by getty/7660: #0: 000000004df70ed6 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341 #1: 000000004efdd849 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2154 2 locks held by getty/7661: #0: 00000000aab74225 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341 #1: 0000000080a80317 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2154 2 locks held by getty/7662: #0: 0000000067c0389c (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341 #1: 0000000066ba84ef (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2154 2 locks held by getty/7663: #0: 00000000abd978b4 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341 #1: 00000000170c18c8 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2154 2 locks held by getty/7664: #0: 000000006923cb3a (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341 #1: 00000000a9d24d90 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2154 2 locks held by getty/7665: #0: 0000000012dea2b8 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341 #1: 00000000a2d31784 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2154 6 locks held by kworker/1:1/21133: #0: 00000000d37d6917 (&rq->lock){-.-.}, at: rq_lock kernel/sched/sched.h:1149 [inline] #0: 00000000d37d6917 (&rq->lock){-.-.}, at: __schedule+0x1fc/0x1cc0 kernel/sched/core.c:3423 #1: 000000006ed01d62 (rcu_read_lock){....}, at: trace_sched_stat_runtime include/trace/events/sched.h:428 [inline] #1: 000000006ed01d62 (rcu_read_lock){....}, at: update_curr+0x2ce/0x8a0 kernel/sched/fair.c:829 #2: 00000000748524b2 (&base->lock){-.-.}, at: lock_timer_base+0x56/0x1b0 kernel/time/timer.c:937 #3: 00000000ffe96394 (&obj_hash[i].lock){-.-.}, at: debug_object_activate+0x131/0x4f0 lib/debugobjects.c:472 #4: 00000000fbc6a7f1 (tk_core.seq){----}, at: hrtimer_update_base kernel/time/hrtimer.c:578 [inline] #4: 00000000fbc6a7f1 (tk_core.seq){----}, at: hrtimer_interrupt+0x3a6/0x770 kernel/time/hrtimer.c:1541 #5: 00000000a81efe1b (&(&vblank->seqlock)->seqcount){----}, at: drm_handle_vblank_events drivers/gpu/drm/drm_vblank.c:1654 [inline] #5: 00000000a81efe1b (&(&vblank->seqlock)->seqcount){----}, at: drm_handle_vblank+0x299/0xa60 drivers/gpu/drm/drm_vblank.c:1725 1 lock held by syz-executor5/7040: #0: 00000000f6094c76 (&mm->mmap_sem){++++}, at: do_user_addr_fault arch/x86/mm/fault.c:1426 [inline] #0: 00000000f6094c76 (&mm->mmap_sem){++++}, at: __do_page_fault+0x9c2/0xd60 arch/x86/mm/fault.c:1541 3 locks held by syz-executor5/7041: 1 lock held by syz-executor5/7042: #0: 00000000f6094c76 (&mm->mmap_sem){++++}, at: exit_mm kernel/exit.c:511 [inline] #0: 00000000f6094c76 (&mm->mmap_sem){++++}, at: do_exit+0x45b/0x2fd0 kernel/exit.c:862 1 lock held by syz-executor5/7044: #0: 00000000f6094c76 (&mm->mmap_sem){++++}, at: do_mmu_notifier_register+0x38e/0x4a0 mm/mmu_notifier.c:256 ============================================= NMI backtrace for cpu 1 CPU: 1 PID: 1039 Comm: khungtaskd Not tainted 5.0.0-rc5 #60 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+0x172/0x1f0 lib/dump_stack.c:113 nmi_cpu_backtrace.cold+0x63/0xa4 lib/nmi_backtrace.c:101 nmi_trigger_cpumask_backtrace+0x1be/0x236 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:146 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:203 [inline] watchdog+0x9df/0xee0 kernel/hung_task.c:287 kthread+0x357/0x430 kernel/kthread.c:246 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352 Sending NMI from CPU 1 to CPUs 0: INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.316 msecs NMI backtrace for cpu 0 CPU: 0 PID: 7041 Comm: syz-executor5 Not tainted 5.0.0-rc5 #60 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:preempt_count_sub+0x0/0x160 kernel/sched/core.c:3230 Code: 45 c8 48 8b 55 d0 e9 d2 fb ff ff 89 4d d0 e8 37 29 59 00 8b 4d d0 e9 65 fe ff ff 0f 1f 44 00 00 66 2e 0f 1f 84 00 00 00 00 00 <48> c7 c0 a0 6a 55 8a 55 48 ba 00 00 00 00 00 fc ff df 48 89 c1 48 RSP: 0018:ffff88805649e7d0 EFLAGS: 00000286 RAX: 0000000000000000 RBX: ffffffffffffffff RCX: 1ffff11012c9e176 RDX: dffffc0000000000 RSI: 1ffff11012c9e187 RDI: 0000000000000001 RBP: ffff88805649e7e8 R08: ffff8880964f0340 R09: 0000000000000004 R10: ffffed1015d05bcf R11: ffff8880ae82de7b R12: ffff8880571b0850 R13: 0000000000000002 R14: ffffea000617b980 R15: 0000000000000000 FS: 00007fa6d39cc700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000001483cc0 CR3: 000000008f0b6000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: css_put_many include/linux/cgroup.h:402 [inline] cancel_charge.part.0+0x7d/0x90 mm/memcontrol.c:2350 cancel_charge mm/memcontrol.c:2343 [inline] mem_cgroup_cancel_charge+0x2d/0x50 mm/memcontrol.c:6010 __add_to_page_cache_locked+0xcd6/0xe70 mm/filemap.c:856 add_to_page_cache_lru+0x1f1/0x780 mm/filemap.c:886 mpage_readpages+0x341/0x620 fs/mpage.c:399 blkdev_readpages+0x2d/0x40 fs/block_dev.c:615 read_pages+0x10f/0x550 mm/readahead.c:123 __do_page_cache_readahead+0x4c3/0x5c0 mm/readahead.c:209 ra_submit mm/internal.h:66 [inline] do_sync_mmap_readahead mm/filemap.c:2432 [inline] filemap_fault+0xa91/0x2400 mm/filemap.c:2508 __do_fault+0x116/0x4e0 mm/memory.c:3019 do_read_fault mm/memory.c:3430 [inline] do_fault mm/memory.c:3556 [inline] handle_pte_fault mm/memory.c:3787 [inline] __handle_mm_fault+0x2cbd/0x3f20 mm/memory.c:3911 handle_mm_fault+0x43f/0xb30 mm/memory.c:3948 faultin_page mm/gup.c:535 [inline] __get_user_pages+0x7b6/0x1a40 mm/gup.c:738 __get_user_pages_locked mm/gup.c:914 [inline] get_user_pages_unlocked+0x291/0x440 mm/gup.c:1037 hva_to_pfn_slow arch/x86/kvm/../../../virt/kvm/kvm_main.c:1488 [inline] hva_to_pfn arch/x86/kvm/../../../virt/kvm/kvm_main.c:1596 [inline] __gfn_to_pfn_memslot+0x3bf/0xde0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:1652 try_async_pf+0x17d/0xaf0 arch/x86/kvm/mmu.c:4016 tdp_page_fault+0x2f5/0x6b0 arch/x86/kvm/mmu.c:4113 kvm_mmu_page_fault+0x1de/0x1740 arch/x86/kvm/mmu.c:5342 handle_ept_violation+0x1c8/0x500 arch/x86/kvm/vmx/vmx.c:5105 vmx_handle_exit+0x279/0x1640 arch/x86/kvm/vmx/vmx.c:5850 vcpu_enter_guest+0x128a/0x6290 arch/x86/kvm/x86.c:7909 vcpu_run arch/x86/kvm/x86.c:7973 [inline] kvm_arch_vcpu_ioctl_run+0x425/0x16e0 arch/x86/kvm/x86.c:8173 kvm_vcpu_ioctl+0x4dc/0xfa0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2678 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:509 [inline] do_vfs_ioctl+0xd6e/0x1390 fs/ioctl.c:696 ksys_ioctl+0xab/0xd0 fs/ioctl.c:713 __do_sys_ioctl fs/ioctl.c:720 [inline] __se_sys_ioctl fs/ioctl.c:718 [inline] __x64_sys_ioctl+0x73/0xb0 fs/ioctl.c:718 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457e39 Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fa6d39cbc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457e39 RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005 RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa6d39cc6d4 R13: 00000000004c0d90 R14: 00000000004d2a98 R15: 00000000ffffffff