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Fri, 15 Mar 2024 06:34:03 -0700 (PDT) Date: Fri, 15 Mar 2024 06:34:03 -0700 In-Reply-To: <20240315130558.2420-1-hdanton@sina.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000b5a9c60613b30fb8@google.com> Subject: Re: [syzbot] [sound?] possible deadlock in snd_timer_close_locked From: syzbot To: hdanton@sina.com, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com, tiwai@suse.com Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Hello, syzbot tried to test the proposed patch but the build/boot failed: : registered new interface driver port100 [ 7.829002][ T1] usbcore: registered new interface driver nfcmrvl [ 7.837538][ T1] Loading iSCSI transport class v2.0-870. [ 7.856507][ T1] virtio_scsi virtio0: 1/0/0 default/read/poll queues [ 7.866977][ T1] ------------[ cut here ]------------ [ 7.868232][ T1] refcount_t: decrement hit 0; leaking memory. [ 7.869519][ T1] WARNING: CPU: 0 PID: 1 at lib/refcount.c:31 refcount= _warn_saturate+0xfa/0x1d0 [ 7.870990][ T1] Modules linked in: [ 7.871688][ T1] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 6.8.0-syzk= aller-09791-ge5eb28f6d1af-dirty #0 [ 7.876326][ T1] Hardware name: Google Google Compute Engine/Google C= ompute Engine, BIOS Google 02/29/2024 [ 7.878700][ T1] RIP: 0010:refcount_warn_saturate+0xfa/0x1d0 [ 7.879754][ T1] Code: b2 00 00 00 e8 27 5a f7 fc 5b 5d c3 cc cc cc c= c e8 1b 5a f7 fc c6 05 f6 81 d3 0a 01 90 48 c7 c7 e0 a7 fd 8b e8 47 2e ba f= c 90 <0f> 0b 90 90 eb d9 e8 fb 59 f7 fc c6 05 d3 81 d3 0a 01 90 48 c7 c7 [ 7.882789][ T1] RSP: 0000:ffffc90000066e18 EFLAGS: 00010246 [ 7.884154][ T1] RAX: 427762defa97e000 RBX: ffff888020edeb2c RCX: fff= f8880166c8000 [ 7.885354][ T1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000= 0000000000000 [ 7.886832][ T1] RBP: 0000000000000004 R08: ffffffff8157cf32 R09: fff= ffbfff1bf9650 [ 7.888655][ T1] R10: dffffc0000000000 R11: fffffbfff1bf9650 R12: fff= fea0000843dc0 [ 7.889916][ T1] R13: ffffea0000843dc8 R14: 1ffffd40001087b9 R15: 000= 0000000000000 [ 7.893126][ T1] FS: 0000000000000000(0000) GS:ffff8880b9400000(0000= ) knlGS:0000000000000000 [ 7.895114][ T1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7.896277][ T1] CR2: ffff88823ffff000 CR3: 000000000df32000 CR4: 000= 00000003506f0 [ 7.897638][ T1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 000= 0000000000000 [ 7.900434][ T1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 000= 0000000000400 [ 7.902939][ T1] Call Trace: [ 7.904000][ T1] [ 7.904699][ T1] ? __warn+0x163/0x4b0 [ 7.905611][ T1] ? refcount_warn_saturate+0xfa/0x1d0 [ 7.906808][ T1] ? report_bug+0x2b3/0x500 [ 7.907725][ T1] ? refcount_warn_saturate+0xfa/0x1d0 [ 7.908788][ T1] ? handle_bug+0x3e/0x70 [ 7.909996][ T1] ? exc_invalid_op+0x1a/0x50 [ 7.910753][ T1] ? asm_exc_invalid_op+0x1a/0x20 [ 7.911517][ T1] ? __warn_printk+0x292/0x360 [ 7.912828][ T1] ? refcount_warn_saturate+0xfa/0x1d0 [ 7.914043][ T1] ? refcount_warn_saturate+0xf9/0x1d0 [ 7.914947][ T1] __free_pages_ok+0xc36/0xd60 [ 7.916124][ T1] make_alloc_exact+0xa3/0xf0 [ 7.917078][ T1] vring_alloc_queue_split+0x20a/0x600 [ 7.918018][ T1] ? __pfx_vring_alloc_queue_split+0x10/0x10 [ 7.919870][ T1] ? vp_find_vqs+0x4c/0x4e0 [ 7.920839][ T1] ? virtscsi_probe+0x3ea/0xf60 [ 7.921640][ T1] ? virtio_dev_probe+0x991/0xaf0 [ 7.922633][ T1] ? really_probe+0x29e/0xc50 [ 7.923595][ T1] ? driver_probe_device+0x50/0x430 [ 7.925027][ T1] vring_create_virtqueue_split+0xc6/0x310 [ 7.926040][ T1] ? ret_from_fork+0x4b/0x80 [ 7.927657][ T1] ? __pfx_vring_create_virtqueue_split+0x10/0x10 [ 7.929661][ T1] vring_create_virtqueue+0xca/0x110 [ 7.930785][ T1] ? __pfx_vp_notify+0x10/0x10 [ 7.931677][ T1] ? __pfx_virtscsi_ctrl_done+0x10/0x10 [ 7.932523][ T1] setup_vq+0xe9/0x2d0 [ 7.933148][ T1] ? __pfx_vp_notify+0x10/0x10 [ 7.934298][ T1] ? __pfx_virtscsi_ctrl_done+0x10/0x10 [ 7.936631][ T1] ? __pfx_virtscsi_ctrl_done+0x10/0x10 [ 7.938514][ T1] ? __pfx_virtscsi_ctrl_done+0x10/0x10 [ 7.939708][ T1] vp_setup_vq+0xbf/0x330 [ 7.940480][ T1] ? __pfx_vp_config_changed+0x10/0x10 [ 7.941952][ T1] ? ioread16+0x2f/0x90 [ 7.943383][ T1] ? __pfx_virtscsi_ctrl_done+0x10/0x10 [ 7.945869][ T1] vp_find_vqs_msix+0x8b2/0xc80 [ 7.946930][ T1] vp_find_vqs+0x4c/0x4e0 [ 7.948366][ T1] virtscsi_init+0x8db/0xd00 [ 7.949444][ T1] ? __pfx_virtscsi_init+0x10/0x10 [ 7.950722][ T1] ? __pfx_default_calc_sets+0x10/0x10 [ 7.952485][ T1] ? scsi_host_alloc+0xa57/0xea0 [ 7.954177][ T1] ? vp_get+0xfd/0x140 [ 7.955309][ T1] virtscsi_probe+0x3ea/0xf60 [ 7.956670][ T1] ? __pfx_virtscsi_probe+0x10/0x10 [ 7.958350][ T1] ? virtqueue_dma_mapping_error+0xd/0x80 [ 7.960113][ T1] ? __pfx_vp_set_status+0x10/0x10 [ 7.961499][ T1] ? vp_set_status+0x1a/0x40 [ 7.962431][ T1] ? virtio_no_restricted_mem_acc+0x9/0x10 [ 7.964349][ T1] ? virtio_features_ok+0x10c/0x270 [ 7.965595][ T1] virtio_dev_probe+0x991/0xaf0 [ 7.966818][ T1] ? __pfx_virtio_dev_probe+0x10/0x10 [ 7.967921][ T1] really_probe+0x29e/0xc50 [ 7.968593][ T1] __driver_probe_device+0x1a2/0x3e0 [ 7.969535][ T1] driver_probe_device+0x50/0x430 [ 7.970634][ T1] __driver_attach+0x45f/0x710 [ 7.971732][ T1] ? __pfx___driver_attach+0x10/0x10 [ 7.973000][ T1] bus_for_each_dev+0x239/0x2b0 [ 7.974208][ T1] ? __pfx___driver_attach+0x10/0x10 [ 7.975425][ T1] ? __pfx_bus_for_each_dev+0x10/0x10 [ 7.976355][ T1] ? do_raw_spin_unlock+0x13c/0x8b0 [ 7.977543][ T1] bus_add_driver+0x347/0x620 [ 7.979682][ T1] driver_register+0x23a/0x320 [ 7.981056][ T1] ? __pfx_virtio_scsi_init+0x10/0x10 [ 7.982342][ T1] virtio_scsi_init+0x65/0xe0 [ 7.983870][ T1] ? __pfx_virtio_scsi_init+0x10/0x10 [ 7.985269][ T1] do_one_initcall+0x238/0x830 [ 7.986554][ T1] ? __pfx_virtio_scsi_init+0x10/0x10 [ 7.987867][ T1] ? __pfx_do_one_initcall+0x10/0x10 [ 7.989039][ T1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 7.990465][ T1] ? __pfx_parse_args+0x10/0x10 [ 7.991527][ T1] ? do_initcalls+0x1c/0x80 [ 7.992292][ T1] ? rcu_is_watching+0x15/0xb0 [ 7.993265][ T1] do_initcall_level+0x157/0x210 [ 7.994180][ T1] do_initcalls+0x3f/0x80 [ 7.994906][ T1] kernel_init_freeable+0x435/0x5d0 [ 7.995937][ T1] ? __pfx_kernel_init_freeable+0x10/0x10 [ 7.996856][ T1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 7.997739][ T1] ? __pfx_kernel_init+0x10/0x10 [ 7.999001][ T1] ? __pfx_kernel_init+0x10/0x10 [ 7.999909][ T1] ? __pfx_kernel_init+0x10/0x10 [ 8.000823][ T1] kernel_init+0x1d/0x2b0 [ 8.001451][ T1] ret_from_fork+0x4b/0x80 [ 8.002268][ T1] ? __pfx_kernel_init+0x10/0x10 [ 8.003408][ T1] ret_from_fork_asm+0x1a/0x30 [ 8.004122][ T1] [ 8.005036][ T1] Kernel panic - not syncing: kernel: panic_on_warn se= t ... [ 8.006846][ T1] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 6.8.0-syzk= aller-09791-ge5eb28f6d1af-dirty #0 [ 8.009117][ T1] Hardware name: Google Google Compute Engine/Google C= ompute Engine, BIOS Google 02/29/2024 [ 8.011687][ T1] Call Trace: [ 8.012892][ T1] [ 8.013386][ T1] dump_stack_lvl+0x241/0x360 [ 8.013386][ T1] ? __pfx_dump_stack_lvl+0x10/0x10 [ 8.013386][ T1] ? __pfx__printk+0x10/0x10 [ 8.013386][ T1] ? _printk+0xd5/0x120 [ 8.013386][ T1] ? vscnprintf+0x5d/0x90 [ 8.013386][ T1] panic+0x349/0x860 [ 8.013386][ T1] ? __warn+0x172/0x4b0 [ 8.013386][ T1] ? __pfx_panic+0x10/0x10 [ 8.013386][ T1] ? show_trace_log_lvl+0x4e6/0x520 [ 8.013386][ T1] ? ret_from_fork_asm+0x1a/0x30 [ 8.013386][ T1] __warn+0x31e/0x4b0 [ 8.013386][ T1] ? refcount_warn_saturate+0xfa/0x1d0 [ 8.013386][ T1] report_bug+0x2b3/0x500 [ 8.013386][ T1] ? refcount_warn_saturate+0xfa/0x1d0 [ 8.013386][ T1] handle_bug+0x3e/0x70 [ 8.013386][ T1] exc_invalid_op+0x1a/0x50 [ 8.013386][ T1] asm_exc_invalid_op+0x1a/0x20 [ 8.013386][ T1] RIP: 0010:refcount_warn_saturate+0xfa/0x1d0 [ 8.013386][ T1] Code: b2 00 00 00 e8 27 5a f7 fc 5b 5d c3 cc cc cc c= c e8 1b 5a f7 fc c6 05 f6 81 d3 0a 01 90 48 c7 c7 e0 a7 fd 8b e8 47 2e ba f= c 90 <0f> 0b 90 90 eb d9 e8 fb 59 f7 fc c6 05 d3 81 d3 0a 01 90 48 c7 c7 [ 8.013386][ T1] RSP: 0000:ffffc90000066e18 EFLAGS: 00010246 [ 8.013386][ T1] RAX: 427762defa97e000 RBX: ffff888020edeb2c RCX: fff= f8880166c8000 [ 8.013386][ T1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000= 0000000000000 [ 8.013386][ T1] RBP: 0000000000000004 R08: ffffffff8157cf32 R09: fff= ffbfff1bf9650 [ 8.013386][ T1] R10: dffffc0000000000 R11: fffffbfff1bf9650 R12: fff= fea0000843dc0 [ 8.013386][ T1] R13: ffffea0000843dc8 R14: 1ffffd40001087b9 R15: 000= 0000000000000 [ 8.013386][ T1] ? __warn_printk+0x292/0x360 [ 8.013386][ T1] ? refcount_warn_saturate+0xf9/0x1d0 [ 8.013386][ T1] __free_pages_ok+0xc36/0xd60 [ 8.013386][ T1] make_alloc_exact+0xa3/0xf0 [ 8.013386][ T1] vring_alloc_queue_split+0x20a/0x600 [ 8.013386][ T1] ? __pfx_vring_alloc_queue_split+0x10/0x10 [ 8.013386][ T1] ? vp_find_vqs+0x4c/0x4e0 [ 8.013386][ T1] ? virtscsi_probe+0x3ea/0xf60 [ 8.013386][ T1] ? virtio_dev_probe+0x991/0xaf0 [ 8.013386][ T1] ? really_probe+0x29e/0xc50 [ 8.013386][ T1] ? driver_probe_device+0x50/0x430 [ 8.013386][ T1] vring_create_virtqueue_split+0xc6/0x310 [ 8.013386][ T1] ? ret_from_fork+0x4b/0x80 [ 8.063354][ T1] ? __pfx_vring_create_virtqueue_split+0x10/0x10 [ 8.063354][ T1] vring_create_virtqueue+0xca/0x110 [ 8.063354][ T1] ? __pfx_vp_notify+0x10/0x10 [ 8.063354][ T1] ? __pfx_virtscsi_ctrl_done+0x10/0x10 [ 8.063354][ T1] setup_vq+0xe9/0x2d0 [ 8.063354][ T1] ? __pfx_vp_notify+0x10/0x10 [ 8.063354][ T1] ? __pfx_virtscsi_ctrl_done+0x10/0x10 [ 8.063354][ T1] ? __pfx_virtscsi_ctrl_done+0x10/0x10 [ 8.063354][ T1] ? __pfx_virtscsi_ctrl_done+0x10/0x10 [ 8.063354][ T1] vp_setup_vq+0xbf/0x330 [ 8.063354][ T1] ? __pfx_vp_config_changed+0x10/0x10 [ 8.063354][ T1] ? ioread16+0x2f/0x90 [ 8.063354][ T1] ? __pfx_virtscsi_ctrl_done+0x10/0x10 [ 8.063354][ T1] vp_find_vqs_msix+0x8b2/0xc80 [ 8.063354][ T1] vp_find_vqs+0x4c/0x4e0 [ 8.063354][ T1] virtscsi_init+0x8db/0xd00 [ 8.063354][ T1] ? __pfx_virtscsi_init+0x10/0x10 [ 8.063354][ T1] ? __pfx_default_calc_sets+0x10/0x10 [ 8.063354][ T1] ? scsi_host_alloc+0xa57/0xea0 [ 8.063354][ T1] ? vp_get+0xfd/0x140 [ 8.063354][ T1] virtscsi_probe+0x3ea/0xf60 [ 8.063354][ T1] ? __pfx_virtscsi_probe+0x10/0x10 [ 8.063354][ T1] ? virtqueue_dma_mapping_error+0xd/0x80 [ 8.063354][ T1] ? __pfx_vp_set_status+0x10/0x10 [ 8.063354][ T1] ? vp_set_status+0x1a/0x40 [ 8.063354][ T1] ? virtio_no_restricted_mem_acc+0x9/0x10 [ 8.063354][ T1] ? virtio_features_ok+0x10c/0x270 [ 8.063354][ T1] virtio_dev_probe+0x991/0xaf0 [ 8.063354][ T1] ? __pfx_virtio_dev_probe+0x10/0x10 [ 8.063354][ T1] really_probe+0x29e/0xc50 [ 8.063354][ T1] __driver_probe_device+0x1a2/0x3e0 [ 8.063354][ T1] driver_probe_device+0x50/0x430 [ 8.063354][ T1] __driver_attach+0x45f/0x710 [ 8.063354][ T1] ? __pfx___driver_attach+0x10/0x10 [ 8.063354][ T1] bus_for_each_dev+0x239/0x2b0 [ 8.063354][ T1] ? __pfx___driver_attach+0x10/0x10 [ 8.063354][ T1] ? __pfx_bus_for_each_dev+0x10/0x10 [ 8.063354][ T1] ? do_raw_spin_unlock+0x13c/0x8b0 [ 8.063354][ T1] bus_add_driver+0x347/0x620 [ 8.063354][ T1] driver_register+0x23a/0x320 [ 8.063354][ T1] ? __pfx_virtio_scsi_init+0x10/0x10 [ 8.063354][ T1] virtio_scsi_init+0x65/0xe0 [ 8.063354][ T1] ? __pfx_virtio_scsi_init+0x10/0x10 [ 8.063354][ T1] do_one_initcall+0x238/0x830 [ 8.063354][ T1] ? __pfx_virtio_scsi_init+0x10/0x10 [ 8.063354][ T1] ? __pfx_do_one_initcall+0x10/0x10 [ 8.063354][ T1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 8.063354][ T1] ? __pfx_parse_args+0x10/0x10 [ 8.113373][ T1] ? do_initcalls+0x1c/0x80 [ 8.113373][ T1] ? rcu_is_watching+0x15/0xb0 [ 8.113373][ T1] do_initcall_level+0x157/0x210 [ 8.113373][ T1] do_initcalls+0x3f/0x80 [ 8.113373][ T1] kernel_init_freeable+0x435/0x5d0 [ 8.113373][ T1] ? __pfx_kernel_init_freeable+0x10/0x10 [ 8.113373][ T1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 8.113373][ T1] ? __pfx_kernel_init+0x10/0x10 [ 8.113373][ T1] ? __pfx_kernel_init+0x10/0x10 [ 8.113373][ T1] ? __pfx_kernel_init+0x10/0x10 [ 8.113373][ T1] kernel_init+0x1d/0x2b0 [ 8.113373][ T1] ret_from_fork+0x4b/0x80 [ 8.113373][ T1] ? __pfx_kernel_init+0x10/0x10 [ 8.113373][ T1] ret_from_fork_asm+0x1a/0x30 [ 8.113373][ T1] [ 8.113373][ T1] Kernel Offset: disabled [ 8.113373][ T1] Rebooting in 86400 seconds.. syzkaller build log: go env (err=3D) GO111MODULE=3D'auto' GOARCH=3D'amd64' GOBIN=3D'' GOCACHE=3D'/syzkaller/.cache/go-build' GOENV=3D'/syzkaller/.config/go/env' GOEXE=3D'' GOEXPERIMENT=3D'' GOFLAGS=3D'' GOHOSTARCH=3D'amd64' GOHOSTOS=3D'linux' GOINSECURE=3D'' GOMODCACHE=3D'/syzkaller/jobs/linux/gopath/pkg/mod' GONOPROXY=3D'' GONOSUMDB=3D'' GOOS=3D'linux' GOPATH=3D'/syzkaller/jobs/linux/gopath' GOPRIVATE=3D'' GOPROXY=3D'https://proxy.golang.org,direct' GOROOT=3D'/usr/local/go' GOSUMDB=3D'sum.golang.org' GOTMPDIR=3D'' GOTOOLCHAIN=3D'auto' GOTOOLDIR=3D'/usr/local/go/pkg/tool/linux_amd64' GOVCS=3D'' GOVERSION=3D'go1.21.4' GCCGO=3D'gccgo' GOAMD64=3D'v1' AR=3D'ar' CC=3D'gcc' CXX=3D'g++' CGO_ENABLED=3D'1' GOMOD=3D'/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/go.mo= d' GOWORK=3D'' CGO_CFLAGS=3D'-O2 -g' CGO_CPPFLAGS=3D'' CGO_CXXFLAGS=3D'-O2 -g' CGO_FFLAGS=3D'-O2 -g' CGO_LDFLAGS=3D'-O2 -g' PKG_CONFIG=3D'pkg-config' GOGCCFLAGS=3D'-fPIC -m64 -pthread -Wl,--no-gc-sections -fmessage-length=3D0= -ffile-prefix-map=3D/tmp/go-build2569298022=3D/tmp/go-build -gno-record-gc= c-switches' git status (err=3D) HEAD detached at d615901c7 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:31: run command via tools/syz-env for best compatibility, see: Makefile:32: https://github.com/google/syzkaller/blob/master/docs/contribut= ing.md#using-syz-env go list -f '{{.Stale}}' ./sys/syz-sysgen | grep -q false || go install ./sy= s/syz-sysgen make .descriptions tput: No value for $TERM and no -T specified tput: No value for $TERM and no -T specified Makefile:31: run command via tools/syz-env for best compatibility, see: Makefile:32: https://github.com/google/syzkaller/blob/master/docs/contribut= ing.md#using-syz-env bin/syz-sysgen touch .descriptions GOOS=3Dlinux GOARCH=3Damd64 go build "-ldflags=3D-s -w -X github.com/google= /syzkaller/prog.GitRevision=3Dd615901c739a765329b688494cee2f8e1b5037cb -X '= github.com/google/syzkaller/prog.gitRevisionDate=3D20240314-145638'" "-tags= =3Dsyz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-fuzzer= github.com/google/syzkaller/syz-fuzzer GOOS=3Dlinux GOARCH=3Damd64 go build "-ldflags=3D-s -w -X github.com/google= /syzkaller/prog.GitRevision=3Dd615901c739a765329b688494cee2f8e1b5037cb -X '= github.com/google/syzkaller/prog.gitRevisionDate=3D20240314-145638'" "-tags= =3Dsyz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-execpr= og github.com/google/syzkaller/tools/syz-execprog GOOS=3Dlinux GOARCH=3Damd64 go build "-ldflags=3D-s -w -X github.com/google= /syzkaller/prog.GitRevision=3Dd615901c739a765329b688494cee2f8e1b5037cb -X '= github.com/google/syzkaller/prog.gitRevisionDate=3D20240314-145638'" "-tags= =3Dsyz_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 -Wfr= ame-larger-than=3D16384 -Wno-stringop-overflow -Wno-array-bounds -Wno-forma= t-overflow -Wno-unused-but-set-variable -Wno-unused-command-line-argument -= static-pie -fpermissive -w -DGOOS_linux=3D1 -DGOARCH_amd64=3D1 \ -DHOSTGOOS_linux=3D1 -DGIT_REVISION=3D\"d615901c739a765329b688494cee2f8e1b= 5037cb\" Error text is too large and was truncated, full error text is at: https://syzkaller.appspot.com/x/error.txt?x=3D161a7959180000 Tested on: commit: e5eb28f6 Merge tag 'mm-nonmm-stable-2024-03-14-09-36' .. git tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/li= nux.git master kernel config: https://syzkaller.appspot.com/x/.config?x=3D839e3be5d86ffd1= d dashboard link: https://syzkaller.appspot.com/bug?extid=3Df3bc6f8108108010a= 03d compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debia= n) 2.40 patch: https://syzkaller.appspot.com/x/patch.diff?x=3D132982311800= 00