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Mon, 15 Apr 2024 08:00:04 -0700 (PDT) Date: Mon, 15 Apr 2024 08:00:04 -0700 In-Reply-To: <20240415132828.149954-1-aha310510@gmail.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000698d5c061623e0d1@google.com> Subject: Re: [syzbot] [nilfs?] UBSAN: array-index-out-of-bounds in nilfs_add_link From: syzbot To: aha310510@gmail.com, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.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: [ 8.046646][ T1] usbcore: registered new interface driver pn533_usb [ 8.053398][ T1] nfcsim 0.2 initialized [ 8.054384][ T1] usbcore: registered new interface driver port100 [ 8.056070][ T1] usbcore: registered new interface driver nfcmrvl [ 8.063127][ T1] Loading iSCSI transport class v2.0-870. [ 8.083033][ T1] virtio_scsi virtio0: 1/0/0 default/read/poll queues [ 8.093514][ T1] ------------[ cut here ]------------ [ 8.097392][ T1] refcount_t: decrement hit 0; leaking memory. [ 8.098749][ T1] WARNING: CPU: 1 PID: 1 at lib/refcount.c:31 refcount= _warn_saturate+0xfa/0x1d0 [ 8.100089][ T1] Modules linked in: [ 8.100981][ T1] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 6.9.0-rc4-= syzkaller-dirty #0 [ 8.102964][ T1] Hardware name: Google Google Compute Engine/Google C= ompute Engine, BIOS Google 03/27/2024 [ 8.104809][ T1] RIP: 0010:refcount_warn_saturate+0xfa/0x1d0 [ 8.105854][ T1] Code: b2 00 00 00 e8 87 70 f0 fc 5b 5d c3 cc cc cc c= c e8 7b 70 f0 fc c6 05 ac bf ed 0a 01 90 48 c7 c7 80 66 1e 8c e8 e7 0a b3 f= c 90 <0f> 0b 90 90 eb d9 e8 5b 70 f0 fc c6 05 89 bf ed 0a 01 90 48 c7 c7 [ 8.109304][ T1] RSP: 0000:ffffc90000066e18 EFLAGS: 00010246 [ 8.110372][ T1] RAX: a5557a779647f700 RBX: ffff8881432f33fc RCX: fff= f888016ac0000 [ 8.111482][ T1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000= 0000000000000 [ 8.112881][ T1] RBP: 0000000000000004 R08: ffffffff81587fc2 R09: fff= ffbfff1c39b48 [ 8.114169][ T1] R10: dffffc0000000000 R11: fffffbfff1c39b48 R12: fff= fea000503cdc0 [ 8.115576][ T1] R13: ffffea000503cdc8 R14: 1ffffd4000a079b9 R15: 000= 0000000000000 [ 8.116934][ T1] FS: 0000000000000000(0000) GS:ffff8880b9500000(0000= ) knlGS:0000000000000000 [ 8.118632][ T1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8.120448][ T1] CR2: 0000000000000000 CR3: 000000000e134000 CR4: 000= 00000003506f0 [ 8.121952][ T1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 000= 0000000000000 [ 8.125239][ T1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 000= 0000000000400 [ 8.128444][ T1] Call Trace: [ 8.128999][ T1] [ 8.129476][ T1] ? __warn+0x163/0x4e0 [ 8.130277][ T1] ? refcount_warn_saturate+0xfa/0x1d0 [ 8.131293][ T1] ? report_bug+0x2b3/0x500 [ 8.132024][ T1] ? refcount_warn_saturate+0xfa/0x1d0 [ 8.133864][ T1] ? handle_bug+0x3e/0x70 [ 8.134800][ T1] ? exc_invalid_op+0x1a/0x50 [ 8.135746][ T1] ? asm_exc_invalid_op+0x1a/0x20 [ 8.136660][ T1] ? __warn_printk+0x292/0x360 [ 8.138782][ T1] ? refcount_warn_saturate+0xfa/0x1d0 [ 8.139747][ T1] ? refcount_warn_saturate+0xf9/0x1d0 [ 8.141576][ T1] __free_pages_ok+0xc54/0xd80 [ 8.142662][ T1] make_alloc_exact+0xa3/0xf0 [ 8.143619][ T1] vring_alloc_queue_split+0x20a/0x600 [ 8.144668][ T1] ? __pfx_vring_alloc_queue_split+0x10/0x10 [ 8.145585][ T1] ? vp_find_vqs+0x4c/0x4e0 [ 8.146361][ T1] ? virtscsi_probe+0x3ea/0xf60 [ 8.147253][ T1] ? virtio_dev_probe+0x991/0xaf0 [ 8.148035][ T1] ? really_probe+0x2b8/0xad0 [ 8.148878][ T1] ? driver_probe_device+0x50/0x430 [ 8.149903][ T1] vring_create_virtqueue_split+0xc6/0x310 [ 8.150905][ T1] ? ret_from_fork+0x4b/0x80 [ 8.152921][ T1] ? __pfx_vring_create_virtqueue_split+0x10/0x10 [ 8.154006][ T1] vring_create_virtqueue+0xca/0x110 [ 8.155477][ T1] ? __pfx_vp_notify+0x10/0x10 [ 8.156849][ T1] ? __pfx_virtscsi_ctrl_done+0x10/0x10 [ 8.158255][ T1] setup_vq+0xe9/0x2d0 [ 8.158966][ T1] ? __pfx_vp_notify+0x10/0x10 [ 8.160058][ T1] ? __pfx_virtscsi_ctrl_done+0x10/0x10 [ 8.161161][ T1] ? __pfx_virtscsi_ctrl_done+0x10/0x10 [ 8.162896][ T1] ? __pfx_virtscsi_ctrl_done+0x10/0x10 [ 8.163930][ T1] vp_setup_vq+0xbf/0x330 [ 8.164941][ T1] ? __pfx_vp_config_changed+0x10/0x10 [ 8.166253][ T1] ? ioread16+0x2f/0x90 [ 8.167168][ T1] ? __pfx_virtscsi_ctrl_done+0x10/0x10 [ 8.168459][ T1] vp_find_vqs_msix+0x8b2/0xc80 [ 8.169516][ T1] vp_find_vqs+0x4c/0x4e0 [ 8.170429][ T1] virtscsi_init+0x8db/0xd00 [ 8.171852][ T1] ? __pfx_virtscsi_init+0x10/0x10 [ 8.172801][ T1] ? __pfx_default_calc_sets+0x10/0x10 [ 8.176106][ T1] ? scsi_host_alloc+0xa57/0xea0 [ 8.177026][ T1] ? vp_get+0xfd/0x140 [ 8.177595][ T1] virtscsi_probe+0x3ea/0xf60 [ 8.178351][ T1] ? __pfx_virtscsi_probe+0x10/0x10 [ 8.179274][ T1] ? vp_get_shm_region+0x51d/0x8b0 [ 8.180369][ T1] ? __pfx_vp_set_status+0x10/0x10 [ 8.181850][ T1] ? vp_set_status+0x1a/0x40 [ 8.182628][ T1] ? virtio_no_restricted_mem_acc+0x9/0x10 [ 8.183880][ T1] ? virtio_features_ok+0x10c/0x270 [ 8.184839][ T1] virtio_dev_probe+0x991/0xaf0 [ 8.185666][ T1] ? __pfx_virtio_dev_probe+0x10/0x10 [ 8.186643][ T1] really_probe+0x2b8/0xad0 [ 8.187658][ T1] __driver_probe_device+0x1a2/0x390 [ 8.188847][ T1] driver_probe_device+0x50/0x430 [ 8.189648][ T1] __driver_attach+0x45f/0x710 [ 8.190566][ T1] ? __pfx___driver_attach+0x10/0x10 [ 8.191463][ T1] bus_for_each_dev+0x239/0x2b0 [ 8.192162][ T1] ? __pfx___driver_attach+0x10/0x10 [ 8.193282][ T1] ? __pfx_bus_for_each_dev+0x10/0x10 [ 8.194135][ T1] ? do_raw_spin_unlock+0x13c/0x8b0 [ 8.195052][ T1] bus_add_driver+0x347/0x620 [ 8.195904][ T1] driver_register+0x23a/0x320 [ 8.196676][ T1] virtio_scsi_init+0x69/0xe0 [ 8.197688][ T1] ? __pfx_virtio_scsi_init+0x10/0x10 [ 8.198566][ T1] do_one_initcall+0x248/0x880 [ 8.199453][ T1] ? __pfx_virtio_scsi_init+0x10/0x10 [ 8.200558][ T1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 8.201915][ T1] ? __pfx_do_one_initcall+0x10/0x10 [ 8.202821][ T1] ? __pfx_parse_args+0x10/0x10 [ 8.203915][ T1] ? do_initcalls+0x1c/0x80 [ 8.204956][ T1] ? rcu_is_watching+0x15/0xb0 [ 8.205785][ T1] do_initcall_level+0x157/0x210 [ 8.206580][ T1] do_initcalls+0x3f/0x80 [ 8.207402][ T1] kernel_init_freeable+0x435/0x5d0 [ 8.208171][ T1] ? __pfx_kernel_init_freeable+0x10/0x10 [ 8.209120][ T1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 8.210016][ T1] ? __pfx_kernel_init+0x10/0x10 [ 8.211607][ T1] ? __pfx_kernel_init+0x10/0x10 [ 8.212570][ T1] ? __pfx_kernel_init+0x10/0x10 [ 8.213608][ T1] kernel_init+0x1d/0x2b0 [ 8.214363][ T1] ret_from_fork+0x4b/0x80 [ 8.215262][ T1] ? __pfx_kernel_init+0x10/0x10 [ 8.216195][ T1] ret_from_fork_asm+0x1a/0x30 [ 8.216904][ T1] [ 8.217906][ T1] Kernel panic - not syncing: kernel: panic_on_warn se= t ... [ 8.219113][ T1] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 6.9.0-rc4-= syzkaller-dirty #0 [ 8.220551][ T1] Hardware name: Google Google Compute Engine/Google C= ompute Engine, BIOS Google 03/27/2024 [ 8.222223][ T1] Call Trace: [ 8.222793][ T1] [ 8.223243][ T1] dump_stack_lvl+0x241/0x360 [ 8.224079][ T1] ? __pfx_dump_stack_lvl+0x10/0x10 [ 8.224927][ T1] ? __pfx__printk+0x10/0x10 [ 8.225243][ T1] ? _printk+0xd5/0x120 [ 8.225243][ T1] ? vscnprintf+0x5d/0x90 [ 8.225243][ T1] panic+0x349/0x860 [ 8.225243][ T1] ? __warn+0x172/0x4e0 [ 8.225243][ T1] ? __pfx_panic+0x10/0x10 [ 8.225243][ T1] ? show_trace_log_lvl+0x4e6/0x520 [ 8.225243][ T1] ? ret_from_fork_asm+0x1a/0x30 [ 8.225243][ T1] __warn+0x346/0x4e0 [ 8.225243][ T1] ? refcount_warn_saturate+0xfa/0x1d0 [ 8.225243][ T1] report_bug+0x2b3/0x500 [ 8.225243][ T1] ? refcount_warn_saturate+0xfa/0x1d0 [ 8.225243][ T1] handle_bug+0x3e/0x70 [ 8.225243][ T1] exc_invalid_op+0x1a/0x50 [ 8.225243][ T1] asm_exc_invalid_op+0x1a/0x20 [ 8.225243][ T1] RIP: 0010:refcount_warn_saturate+0xfa/0x1d0 [ 8.225243][ T1] Code: b2 00 00 00 e8 87 70 f0 fc 5b 5d c3 cc cc cc c= c e8 7b 70 f0 fc c6 05 ac bf ed 0a 01 90 48 c7 c7 80 66 1e 8c e8 e7 0a b3 f= c 90 <0f> 0b 90 90 eb d9 e8 5b 70 f0 fc c6 05 89 bf ed 0a 01 90 48 c7 c7 [ 8.225243][ T1] RSP: 0000:ffffc90000066e18 EFLAGS: 00010246 [ 8.225243][ T1] RAX: a5557a779647f700 RBX: ffff8881432f33fc RCX: fff= f888016ac0000 [ 8.225243][ T1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000= 0000000000000 [ 8.225243][ T1] RBP: 0000000000000004 R08: ffffffff81587fc2 R09: fff= ffbfff1c39b48 [ 8.225243][ T1] R10: dffffc0000000000 R11: fffffbfff1c39b48 R12: fff= fea000503cdc0 [ 8.225243][ T1] R13: ffffea000503cdc8 R14: 1ffffd4000a079b9 R15: 000= 0000000000000 [ 8.225243][ T1] ? __warn_printk+0x292/0x360 [ 8.225243][ T1] ? refcount_warn_saturate+0xf9/0x1d0 [ 8.225243][ T1] __free_pages_ok+0xc54/0xd80 [ 8.225243][ T1] make_alloc_exact+0xa3/0xf0 [ 8.225243][ T1] vring_alloc_queue_split+0x20a/0x600 [ 8.225243][ T1] ? __pfx_vring_alloc_queue_split+0x10/0x10 [ 8.225243][ T1] ? vp_find_vqs+0x4c/0x4e0 [ 8.225243][ T1] ? virtscsi_probe+0x3ea/0xf60 [ 8.225243][ T1] ? virtio_dev_probe+0x991/0xaf0 [ 8.225243][ T1] ? really_probe+0x2b8/0xad0 [ 8.225243][ T1] ? driver_probe_device+0x50/0x430 [ 8.225243][ T1] vring_create_virtqueue_split+0xc6/0x310 [ 8.225243][ T1] ? ret_from_fork+0x4b/0x80 [ 8.225243][ T1] ? __pfx_vring_create_virtqueue_split+0x10/0x10 [ 8.225243][ T1] vring_create_virtqueue+0xca/0x110 [ 8.225243][ T1] ? __pfx_vp_notify+0x10/0x10 [ 8.225243][ T1] ? __pfx_virtscsi_ctrl_done+0x10/0x10 [ 8.225243][ T1] setup_vq+0xe9/0x2d0 [ 8.225243][ T1] ? __pfx_vp_notify+0x10/0x10 [ 8.225243][ T1] ? __pfx_virtscsi_ctrl_done+0x10/0x10 [ 8.225243][ T1] ? __pfx_virtscsi_ctrl_done+0x10/0x10 [ 8.225243][ T1] ? __pfx_virtscsi_ctrl_done+0x10/0x10 [ 8.225243][ T1] vp_setup_vq+0xbf/0x330 [ 8.225243][ T1] ? __pfx_vp_config_changed+0x10/0x10 [ 8.225243][ T1] ? ioread16+0x2f/0x90 [ 8.225243][ T1] ? __pfx_virtscsi_ctrl_done+0x10/0x10 [ 8.274896][ T1] vp_find_vqs_msix+0x8b2/0xc80 [ 8.274896][ T1] vp_find_vqs+0x4c/0x4e0 [ 8.274896][ T1] virtscsi_init+0x8db/0xd00 [ 8.274896][ T1] ? __pfx_virtscsi_init+0x10/0x10 [ 8.274896][ T1] ? __pfx_default_calc_sets+0x10/0x10 [ 8.274896][ T1] ? scsi_host_alloc+0xa57/0xea0 [ 8.274896][ T1] ? vp_get+0xfd/0x140 [ 8.274896][ T1] virtscsi_probe+0x3ea/0xf60 [ 8.274896][ T1] ? __pfx_virtscsi_probe+0x10/0x10 [ 8.274896][ T1] ? vp_get_shm_region+0x51d/0x8b0 [ 8.274896][ T1] ? __pfx_vp_set_status+0x10/0x10 [ 8.274896][ T1] ? vp_set_status+0x1a/0x40 [ 8.274896][ T1] ? virtio_no_restricted_mem_acc+0x9/0x10 [ 8.274896][ T1] ? virtio_features_ok+0x10c/0x270 [ 8.274896][ T1] virtio_dev_probe+0x991/0xaf0 [ 8.274896][ T1] ? __pfx_virtio_dev_probe+0x10/0x10 [ 8.274896][ T1] really_probe+0x2b8/0xad0 [ 8.274896][ T1] __driver_probe_device+0x1a2/0x390 [ 8.274896][ T1] driver_probe_device+0x50/0x430 [ 8.274896][ T1] __driver_attach+0x45f/0x710 [ 8.274896][ T1] ? __pfx___driver_attach+0x10/0x10 [ 8.274896][ T1] bus_for_each_dev+0x239/0x2b0 [ 8.274896][ T1] ? __pfx___driver_attach+0x10/0x10 [ 8.274896][ T1] ? __pfx_bus_for_each_dev+0x10/0x10 [ 8.274896][ T1] ? do_raw_spin_unlock+0x13c/0x8b0 [ 8.274896][ T1] bus_add_driver+0x347/0x620 [ 8.274896][ T1] driver_register+0x23a/0x320 [ 8.274896][ T1] virtio_scsi_init+0x69/0xe0 [ 8.274896][ T1] ? __pfx_virtio_scsi_init+0x10/0x10 [ 8.274896][ T1] do_one_initcall+0x248/0x880 [ 8.274896][ T1] ? __pfx_virtio_scsi_init+0x10/0x10 [ 8.274896][ T1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 8.274896][ T1] ? __pfx_do_one_initcall+0x10/0x10 [ 8.274896][ T1] ? __pfx_parse_args+0x10/0x10 [ 8.274896][ T1] ? do_initcalls+0x1c/0x80 [ 8.274896][ T1] ? rcu_is_watching+0x15/0xb0 [ 8.274896][ T1] do_initcall_level+0x157/0x210 [ 8.274896][ T1] do_initcalls+0x3f/0x80 [ 8.274896][ T1] kernel_init_freeable+0x435/0x5d0 [ 8.274896][ T1] ? __pfx_kernel_init_freeable+0x10/0x10 [ 8.274896][ T1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 8.274896][ T1] ? __pfx_kernel_init+0x10/0x10 [ 8.274896][ T1] ? __pfx_kernel_init+0x10/0x10 [ 8.274896][ T1] ? __pfx_kernel_init+0x10/0x10 [ 8.274896][ T1] kernel_init+0x1d/0x2b0 [ 8.274896][ T1] ret_from_fork+0x4b/0x80 [ 8.274896][ T1] ? __pfx_kernel_init+0x10/0x10 [ 8.274896][ T1] ret_from_fork_asm+0x1a/0x30 [ 8.274896][ T1] [ 8.274896][ T1] Kernel Offset: disabled [ 8.274896][ 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-2/linux/gopath/pkg/mod' GONOPROXY=3D'' GONOSUMDB=3D'' GOOS=3D'linux' GOPATH=3D'/syzkaller/jobs-2/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-2/linux/gopath/src/github.com/google/syzkaller/go.= mod' 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-build2608577974=3D/tmp/go-build -gno-record-gc= c-switches' git status (err=3D) HEAD detached at c8349e485 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=3Dc8349e48534ea6d8f01515335d95de8ebf5da8df -X '= github.com/google/syzkaller/prog.gitRevisionDate=3D20240412-102842'" "-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=3Dc8349e48534ea6d8f01515335d95de8ebf5da8df -X '= github.com/google/syzkaller/prog.gitRevisionDate=3D20240412-102842'" "-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=3Dc8349e48534ea6d8f01515335d95de8ebf5da8df -X '= github.com/google/syzkaller/prog.gitRevisionDate=3D20240412-102842'" "-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\"c8349e48534ea6d8f01515335d95de8ebf= 5da8df\" Error text is too large and was truncated, full error text is at: https://syzkaller.appspot.com/x/error.txt?x=3D16ca23d5180000 Tested on: commit: 0bbac3fa Linux 6.9-rc4 git tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/li= nux.git kernel config: https://syzkaller.appspot.com/x/.config?x=3Db6bcb7598d5494c= d dashboard link: https://syzkaller.appspot.com/bug?extid=3D2e22057de05b9f3b3= 0d8 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=3D13fe882b1800= 00