Messages in this thread | ![/](/images/icornerl.gif) | | Date | Sat, 06 Apr 2024 07:05:03 -0700 | Subject | Re: [syzbot] [usb?] WARNING in vmk80xx_auto_attach/usb_submit_urb | From | syzbot <> |
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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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