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Message-ID: <0000000000000c289f06156e0fcf@google.com>
Date: Sat, 06 Apr 2024 07:05:03 -0700
From: syzbot <syzbot+5f29dc6a889fc42bd896@...kaller.appspotmail.com>
To: linux-kernel@...r.kernel.org, n.zhandarovich@...tech.ru,
syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [usb?] WARNING in vmk80xx_auto_attach/usb_submit_urb
Hello,
syzbot tried to test the proposed patch but the build/boot failed:
mrvl
[ 9.784484][ T1] Loading iSCSI transport class v2.0-870.
[ 9.808141][ T1] virtio_scsi virtio0: 1/0/0 default/read/poll queues
[ 9.819415][ T1] ------------[ cut here ]------------
[ 9.820607][ T1] refcount_t: decrement hit 0; leaking memory.
[ 9.823474][ T1] WARNING: CPU: 0 PID: 1 at lib/refcount.c:31 refcount_warn_saturate+0xfa/0x1d0
[ 9.827302][ T1] Modules linked in:
[ 9.828078][ T1] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 6.9.0-rc1-syzkaller-00291-g4090fa373f0e-dirty #0
[ 9.830226][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
[ 9.831957][ T1] RIP: 0010:refcount_warn_saturate+0xfa/0x1d0
[ 9.833354][ T1] Code: b2 00 00 00 e8 97 bb e9 fc 5b 5d e9 b0 a5 e0 06 e8 8b bb e9 fc c6 05 ae 61 e8 0a 01 90 48 c7 c7 e0 33 1f 8c e8 c7 57 ac fc 90 <0f> 0b 90 90 eb d9 e8 6b bb e9 fc c6 05 8b 61 e8 0a 01 90 48 c7 c7
[ 9.837294][ T1] RSP: 0018:ffffc90000066e18 EFLAGS: 00010246
[ 9.838787][ T1] RAX: 96dc241c59f63100 RBX: ffff88814728c98c RCX: ffff8880166c8000
[ 9.840391][ T1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 9.842751][ T1] RBP: 0000000000000004 R08: ffffffff815800a2 R09: fffffbfff1c396e0
[ 9.844030][ T1] R10: dffffc0000000000 R11: fffffbfff1c396e0 R12: ffffea0000841dc0
[ 9.845601][ T1] R13: ffffea0000841dc8 R14: 1ffffd40001083b9 R15: 0000000000000000
[ 9.847085][ T1] FS: 0000000000000000(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
[ 9.850141][ T1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 9.851952][ T1] CR2: ffff88823ffff000 CR3: 000000000e132000 CR4: 0000000000350ef0
[ 9.853463][ T1] Call Trace:
[ 9.854044][ T1] <TASK>
[ 9.854492][ T1] ? __warn+0x163/0x4e0
[ 9.855826][ T1] ? refcount_warn_saturate+0xfa/0x1d0
[ 9.856975][ T1] ? report_bug+0x2b3/0x500
[ 9.857834][ T1] ? refcount_warn_saturate+0xfa/0x1d0
[ 9.858970][ T1] ? handle_bug+0x3e/0x70
[ 9.859857][ T1] ? exc_invalid_op+0x1a/0x50
[ 9.860997][ T1] ? asm_exc_invalid_op+0x1a/0x20
[ 9.861892][ T1] ? __warn_printk+0x292/0x360
[ 9.862956][ T1] ? refcount_warn_saturate+0xfa/0x1d0
[ 9.864134][ T1] ? refcount_warn_saturate+0xf9/0x1d0
[ 9.865156][ T1] __free_pages_ok+0xc60/0xd90
[ 9.866233][ T1] make_alloc_exact+0xa3/0xf0
[ 9.867266][ T1] vring_alloc_queue_split+0x20a/0x600
[ 9.868113][ T1] ? __pfx_vring_alloc_queue_split+0x10/0x10
[ 9.869014][ T1] ? vp_find_vqs+0x4c/0x4e0
[ 9.869822][ T1] ? virtscsi_probe+0x3ea/0xf60
[ 9.870755][ T1] ? virtio_dev_probe+0x993/0xaf0
[ 9.871888][ T1] ? really_probe+0x2ba/0xad0
[ 9.872937][ T1] ? driver_probe_device+0x50/0x430
[ 9.874031][ T1] vring_create_virtqueue_split+0xc6/0x310
[ 9.875012][ T1] ? ret_from_fork+0x4d/0x80
[ 9.875851][ T1] ? __pfx_vring_create_virtqueue_split+0x10/0x10
[ 9.877083][ T1] vring_create_virtqueue+0xca/0x110
[ 9.878156][ T1] ? __pfx_vp_notify+0x10/0x10
[ 9.878929][ T1] ? __pfx_virtscsi_ctrl_done+0x10/0x10
[ 9.880246][ T1] setup_vq+0xe9/0x2d0
[ 9.881279][ T1] ? __pfx_vp_notify+0x10/0x10
[ 9.882209][ T1] ? __pfx_virtscsi_ctrl_done+0x10/0x10
[ 9.883109][ T1] ? __pfx_virtscsi_ctrl_done+0x10/0x10
[ 9.884099][ T1] ? __pfx_virtscsi_ctrl_done+0x10/0x10
[ 9.885268][ T1] vp_setup_vq+0xc1/0x330
[ 9.886145][ T1] ? __pfx_vp_config_changed+0x10/0x10
[ 9.887958][ T1] ? srso_return_thunk+0x5/0x5f
[ 9.889015][ T1] ? ioread16+0x2f/0x90
[ 9.890945][ T1] ? __pfx_virtscsi_ctrl_done+0x10/0x10
[ 9.892422][ T1] vp_find_vqs_msix+0x8b2/0xc80
[ 9.893497][ T1] vp_find_vqs+0x4c/0x4e0
[ 9.894568][ T1] virtscsi_init+0x8dd/0xd00
[ 9.895622][ T1] ? __pfx_virtscsi_init+0x10/0x10
[ 9.896682][ T1] ? __pfx_default_calc_sets+0x10/0x10
[ 9.897995][ T1] ? srso_return_thunk+0x5/0x5f
[ 9.898758][ T1] ? scsi_host_alloc+0xa57/0xea0
[ 9.899840][ T1] ? srso_return_thunk+0x5/0x5f
[ 9.900792][ T1] ? srso_return_thunk+0x5/0x5f
[ 9.901742][ T1] ? vp_get+0xfd/0x140
[ 9.902743][ T1] virtscsi_probe+0x3ea/0xf60
[ 9.903919][ T1] ? __pfx_virtscsi_probe+0x10/0x10
[ 9.905007][ T1] ? kernfs_add_one+0x156/0x8b0
[ 9.906052][ T1] ? srso_return_thunk+0x5/0x5f
[ 9.906956][ T1] ? srso_return_thunk+0x5/0x5f
[ 9.907722][ T1] ? virtio_features_ok+0x10c/0x270
[ 9.908520][ T1] virtio_dev_probe+0x993/0xaf0
[ 9.909668][ T1] ? __pfx_virtio_dev_probe+0x10/0x10
[ 9.911031][ T1] really_probe+0x2ba/0xad0
[ 9.912278][ T1] __driver_probe_device+0x1a2/0x390
[ 9.913175][ T1] driver_probe_device+0x50/0x430
[ 9.914100][ T1] __driver_attach+0x45f/0x710
[ 9.915051][ T1] ? __pfx___driver_attach+0x10/0x10
[ 9.916517][ T1] bus_for_each_dev+0x23b/0x2b0
[ 9.917849][ T1] ? __pfx___driver_attach+0x10/0x10
[ 9.919074][ T1] ? __pfx_bus_for_each_dev+0x10/0x10
[ 9.920152][ T1] ? do_raw_spin_unlock+0x13c/0x8b0
[ 9.921132][ T1] bus_add_driver+0x347/0x620
[ 9.922154][ T1] driver_register+0x23a/0x320
[ 9.923103][ T1] ? __pfx_virtio_scsi_init+0x10/0x10
[ 9.924787][ T1] virtio_scsi_init+0x65/0xe0
[ 9.926151][ T1] ? __pfx_virtio_scsi_init+0x10/0x10
[ 9.927405][ T1] do_one_initcall+0x24a/0x880
[ 9.928359][ T1] ? __pfx_virtio_scsi_init+0x10/0x10
[ 9.929498][ T1] ? __pfx_do_one_initcall+0x10/0x10
[ 9.930582][ T1] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 9.931642][ T1] ? __pfx_parse_args+0x10/0x10
[ 9.933094][ T1] ? do_initcalls+0x1c/0x80
[ 9.933922][ T1] ? srso_return_thunk+0x5/0x5f
[ 9.934814][ T1] ? rcu_is_watching+0x15/0xb0
[ 9.935681][ T1] do_initcall_level+0x157/0x210
[ 9.937413][ T1] do_initcalls+0x3f/0x80
[ 9.938179][ T1] kernel_init_freeable+0x435/0x5d0
[ 9.939093][ T1] ? __pfx_kernel_init_freeable+0x10/0x10
[ 9.940271][ T1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 9.941311][ T1] ? __pfx_kernel_init+0x10/0x10
[ 9.942104][ T1] ? __pfx_kernel_init+0x10/0x10
[ 9.943109][ T1] ? __pfx_kernel_init+0x10/0x10
[ 9.944006][ T1] kernel_init+0x1d/0x2b0
[ 9.944698][ T1] ret_from_fork+0x4d/0x80
[ 9.945390][ T1] ? __pfx_kernel_init+0x10/0x10
[ 9.946451][ T1] ret_from_fork_asm+0x1a/0x30
[ 9.949590][ T1] </TASK>
[ 9.950112][ T1] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 9.951275][ T1] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 6.9.0-rc1-syzkaller-00291-g4090fa373f0e-dirty #0
[ 9.952064][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
[ 9.952064][ T1] Call Trace:
[ 9.952064][ T1] <TASK>
[ 9.952064][ T1] dump_stack_lvl+0x241/0x360
[ 9.952064][ T1] ? __pfx_dump_stack_lvl+0x10/0x10
[ 9.952064][ T1] ? __pfx__printk+0x10/0x10
[ 9.952064][ T1] ? _printk+0xd5/0x120
[ 9.952064][ T1] ? srso_return_thunk+0x5/0x5f
[ 9.952064][ T1] ? vscnprintf+0x5d/0x90
[ 9.952064][ T1] panic+0x349/0x860
[ 9.952064][ T1] ? __warn+0x172/0x4e0
[ 9.952064][ T1] ? __pfx_panic+0x10/0x10
[ 9.952064][ T1] ? show_trace_log_lvl+0x4e6/0x520
[ 9.952064][ T1] ? ret_from_fork_asm+0x1a/0x30
[ 9.952064][ T1] __warn+0x346/0x4e0
[ 9.952064][ T1] ? refcount_warn_saturate+0xfa/0x1d0
[ 9.952064][ T1] report_bug+0x2b3/0x500
[ 9.952064][ T1] ? refcount_warn_saturate+0xfa/0x1d0
[ 9.952064][ T1] handle_bug+0x3e/0x70
[ 9.952064][ T1] exc_invalid_op+0x1a/0x50
[ 9.952064][ T1] asm_exc_invalid_op+0x1a/0x20
[ 9.952064][ T1] RIP: 0010:refcount_warn_saturate+0xfa/0x1d0
[ 9.952064][ T1] Code: b2 00 00 00 e8 97 bb e9 fc 5b 5d e9 b0 a5 e0 06 e8 8b bb e9 fc c6 05 ae 61 e8 0a 01 90 48 c7 c7 e0 33 1f 8c e8 c7 57 ac fc 90 <0f> 0b 90 90 eb d9 e8 6b bb e9 fc c6 05 8b 61 e8 0a 01 90 48 c7 c7
[ 9.952064][ T1] RSP: 0018:ffffc90000066e18 EFLAGS: 00010246
[ 9.952064][ T1] RAX: 96dc241c59f63100 RBX: ffff88814728c98c RCX: ffff8880166c8000
[ 9.952064][ T1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 9.952064][ T1] RBP: 0000000000000004 R08: ffffffff815800a2 R09: fffffbfff1c396e0
[ 9.952064][ T1] R10: dffffc0000000000 R11: fffffbfff1c396e0 R12: ffffea0000841dc0
[ 9.952064][ T1] R13: ffffea0000841dc8 R14: 1ffffd40001083b9 R15: 0000000000000000
[ 9.952064][ T1] ? __warn_printk+0x292/0x360
[ 9.952064][ T1] ? refcount_warn_saturate+0xf9/0x1d0
[ 9.952064][ T1] __free_pages_ok+0xc60/0xd90
[ 9.952064][ T1] make_alloc_exact+0xa3/0xf0
[ 9.952064][ T1] vring_alloc_queue_split+0x20a/0x600
[ 9.952064][ T1] ? __pfx_vring_alloc_queue_split+0x10/0x10
[ 9.952064][ T1] ? vp_find_vqs+0x4c/0x4e0
[ 9.952064][ T1] ? virtscsi_probe+0x3ea/0xf60
[ 9.952064][ T1] ? virtio_dev_probe+0x993/0xaf0
[ 9.952064][ T1] ? really_probe+0x2ba/0xad0
[ 9.952064][ T1] ? driver_probe_device+0x50/0x430
[ 9.952064][ T1] vring_create_virtqueue_split+0xc6/0x310
[ 9.952064][ T1] ? ret_from_fork+0x4d/0x80
[ 9.952064][ T1] ? __pfx_vring_create_virtqueue_split+0x10/0x10
[ 9.952064][ T1] vring_create_virtqueue+0xca/0x110
[ 9.952064][ T1] ? __pfx_vp_notify+0x10/0x10
[ 9.952064][ T1] ? __pfx_virtscsi_ctrl_done+0x10/0x10
[ 10.002229][ T1] setup_vq+0xe9/0x2d0
[ 10.002229][ T1] ? __pfx_vp_notify+0x10/0x10
[ 10.002229][ T1] ? __pfx_virtscsi_ctrl_done+0x10/0x10
[ 10.002229][ T1] ? __pfx_virtscsi_ctrl_done+0x10/0x10
[ 10.002229][ T1] ? __pfx_virtscsi_ctrl_done+0x10/0x10
[ 10.002229][ T1] vp_setup_vq+0xc1/0x330
[ 10.002229][ T1] ? __pfx_vp_config_changed+0x10/0x10
[ 10.002229][ T1] ? srso_return_thunk+0x5/0x5f
[ 10.002229][ T1] ? ioread16+0x2f/0x90
[ 10.002229][ T1] ? __pfx_virtscsi_ctrl_done+0x10/0x10
[ 10.002229][ T1] vp_find_vqs_msix+0x8b2/0xc80
[ 10.002229][ T1] vp_find_vqs+0x4c/0x4e0
[ 10.002229][ T1] virtscsi_init+0x8dd/0xd00
[ 10.002229][ T1] ? __pfx_virtscsi_init+0x10/0x10
[ 10.002229][ T1] ? __pfx_default_calc_sets+0x10/0x10
[ 10.002229][ T1] ? srso_return_thunk+0x5/0x5f
[ 10.002229][ T1] ? scsi_host_alloc+0xa57/0xea0
[ 10.002229][ T1] ? srso_return_thunk+0x5/0x5f
[ 10.002229][ T1] ? srso_return_thunk+0x5/0x5f
[ 10.002229][ T1] ? vp_get+0xfd/0x140
[ 10.002229][ T1] virtscsi_probe+0x3ea/0xf60
[ 10.002229][ T1] ? __pfx_virtscsi_probe+0x10/0x10
[ 10.002229][ T1] ? kernfs_add_one+0x156/0x8b0
[ 10.002229][ T1] ? srso_return_thunk+0x5/0x5f
[ 10.002229][ T1] ? srso_return_thunk+0x5/0x5f
[ 10.002229][ T1] ? virtio_features_ok+0x10c/0x270
[ 10.002229][ T1] virtio_dev_probe+0x993/0xaf0
[ 10.002229][ T1] ? __pfx_virtio_dev_probe+0x10/0x10
[ 10.002229][ T1] really_probe+0x2ba/0xad0
[ 10.002229][ T1] __driver_probe_device+0x1a2/0x390
[ 10.002229][ T1] driver_probe_device+0x50/0x430
[ 10.002229][ T1] __driver_attach+0x45f/0x710
[ 10.002229][ T1] ? __pfx___driver_attach+0x10/0x10
[ 10.002229][ T1] bus_for_each_dev+0x23b/0x2b0
[ 10.002229][ T1] ? __pfx___driver_attach+0x10/0x10
[ 10.002229][ T1] ? __pfx_bus_for_each_dev+0x10/0x10
[ 10.002229][ T1] ? do_raw_spin_unlock+0x13c/0x8b0
[ 10.002229][ T1] bus_add_driver+0x347/0x620
[ 10.002229][ T1] driver_register+0x23a/0x320
[ 10.002229][ T1] ? __pfx_virtio_scsi_init+0x10/0x10
[ 10.002229][ T1] virtio_scsi_init+0x65/0xe0
[ 10.002229][ T1] ? __pfx_virtio_scsi_init+0x10/0x10
[ 10.002229][ T1] do_one_initcall+0x24a/0x880
[ 10.002229][ T1] ? __pfx_virtio_scsi_init+0x10/0x10
[ 10.002229][ T1] ? __pfx_do_one_initcall+0x10/0x10
[ 10.002229][ T1] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 10.002229][ T1] ? __pfx_parse_args+0x10/0x10
[ 10.002229][ T1] ? do_initcalls+0x1c/0x80
[ 10.002229][ T1] ? srso_return_thunk+0x5/0x5f
[ 10.002229][ T1] ? rcu_is_watching+0x15/0xb0
[ 10.002229][ T1] do_initcall_level+0x157/0x210
[ 10.002229][ T1] do_initcalls+0x3f/0x80
[ 10.052252][ T1] kernel_init_freeable+0x435/0x5d0
[ 10.052252][ T1] ? __pfx_kernel_init_freeable+0x10/0x10
[ 10.052252][ T1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 10.052252][ T1] ? __pfx_kernel_init+0x10/0x10
[ 10.052252][ T1] ? __pfx_kernel_init+0x10/0x10
[ 10.052252][ T1] ? __pfx_kernel_init+0x10/0x10
[ 10.052252][ T1] kernel_init+0x1d/0x2b0
[ 10.052252][ T1] ret_from_fork+0x4d/0x80
[ 10.052252][ T1] ? __pfx_kernel_init+0x10/0x10
[ 10.052252][ T1] ret_from_fork_asm+0x1a/0x30
[ 10.052252][ T1] </TASK>
[ 10.052252][ T1] Kernel Offset: disabled
[ 10.052252][ T1] Rebooting in 86400 seconds..
syzkaller build log:
go env (err=<nil>)
GO111MODULE='auto'
GOARCH='amd64'
GOBIN=''
GOCACHE='/syzkaller/.cache/go-build'
GOENV='/syzkaller/.config/go/env'
GOEXE=''
GOEXPERIMENT=''
GOFLAGS=''
GOHOSTARCH='amd64'
GOHOSTOS='linux'
GOINSECURE=''
GOMODCACHE='/syzkaller/jobs-2/linux/gopath/pkg/mod'
GONOPROXY=''
GONOSUMDB=''
GOOS='linux'
GOPATH='/syzkaller/jobs-2/linux/gopath'
GOPRIVATE=''
GOPROXY='https://proxy.golang.org,direct'
GOROOT='/usr/local/go'
GOSUMDB='sum.golang.org'
GOTMPDIR=''
GOTOOLCHAIN='auto'
GOTOOLDIR='/usr/local/go/pkg/tool/linux_amd64'
GOVCS=''
GOVERSION='go1.21.4'
GCCGO='gccgo'
GOAMD64='v1'
AR='ar'
CC='gcc'
CXX='g++'
CGO_ENABLED='1'
GOMOD='/syzkaller/jobs-2/linux/gopath/src/github.com/google/syzkaller/go.mod'
GOWORK=''
CGO_CFLAGS='-O2 -g'
CGO_CPPFLAGS=''
CGO_CXXFLAGS='-O2 -g'
CGO_FFLAGS='-O2 -g'
CGO_LDFLAGS='-O2 -g'
PKG_CONFIG='pkg-config'
GOGCCFLAGS='-fPIC -m64 -pthread -Wl,--no-gc-sections -fmessage-length=0 -ffile-prefix-map=/tmp/go-build2744125605=/tmp/go-build -gno-record-gcc-switches'
git status (err=<nil>)
HEAD detached at 8d446f152
nothing to commit, working tree clean
tput: No value for $TERM and no -T specified
tput: No value for $TERM and no -T specified
Makefile:32: run command via tools/syz-env for best compatibility, see:
Makefile:33: https://github.com/google/syzkaller/blob/master/docs/contributing.md#using-syz-env
go list -f '{{.Stale}}' ./sys/syz-sysgen | grep -q false || go install ./sys/syz-sysgen
make .descriptions
tput: No value for $TERM and no -T specified
tput: No value for $TERM and no -T specified
bin/syz-sysgen
touch .descriptions
GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/prog.GitRevision=8d446f1521b580230a60c9ae228bf0c26312c80b -X 'github.com/google/syzkaller/prog.gitRevisionDate=20240222-153518'" "-tags=syz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-fuzzer github.com/google/syzkaller/syz-fuzzer
GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/prog.GitRevision=8d446f1521b580230a60c9ae228bf0c26312c80b -X 'github.com/google/syzkaller/prog.gitRevisionDate=20240222-153518'" "-tags=syz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-execprog github.com/google/syzkaller/tools/syz-execprog
GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/prog.GitRevision=8d446f1521b580230a60c9ae228bf0c26312c80b -X 'github.com/google/syzkaller/prog.gitRevisionDate=20240222-153518'" "-tags=syz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-stress github.com/google/syzkaller/tools/syz-stress
mkdir -p ./bin/linux_amd64
gcc -o ./bin/linux_amd64/syz-executor executor/executor.cc \
-m64 -O2 -pthread -Wall -Werror -Wparentheses -Wunused-const-variable -Wframe-larger-than=16384 -Wno-stringop-overflow -Wno-array-bounds -Wno-format-overflow -Wno-unused-but-set-variable -Wno-unused-command-line-argument -static-pie -fpermissive -w -DGOOS_linux=1 -DGOARCH_amd64=1 \
-DHOSTGOOS_linux=1 -DGIT_REVISION=\"8d446f1521b580230a60c9ae228bf0c26312c80b\"
Error text is too large and was truncated, full error text is at:
https://syzkaller.appspot.com/x/error.txt?x=12e36d15180000
Tested on:
commit: 4090fa37 af_unix: Replace garbage collection algorithm.
git tree: git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next.git
kernel config: https://syzkaller.appspot.com/x/.config?x=7b667bc37450fdcd
dashboard link: https://syzkaller.appspot.com/bug?extid=5f29dc6a889fc42bd896
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
patch: https://syzkaller.appspot.com/x/patch.diff?x=10fc3af6180000
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