From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f72.google.com (mail-io1-f72.google.com [209.85.166.72]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D3C324C6D for ; Sat, 16 Mar 2024 07:41:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.72 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1710574864; cv=none; b=HZwGLHgIAaDa3GI33nspRVphT+tNEJme6cJTeuOkgGaHSRR7bWBsbNEYAx5C50WqW5fyaUTmoUe4bmtMI+fOzdUlZ0KGIbhiZtVpeWR2LuPTzFKtAu0K48tMkicGa9JeD+hvoSay6qqctglZRtdakgWVisq/JEoED0ppV100IWg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1710574864; c=relaxed/simple; bh=cRn5vzhDO/ZK9hUfqAHjO1+0WamgDKE2ee/F1r7EMro=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; 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io-uring@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6638:62a7:b0:476:ed02:e2da with SMTP id fh39-20020a05663862a700b00476ed02e2damr399536jab.5.1710574862157; Sat, 16 Mar 2024 00:41:02 -0700 (PDT) Date: Sat, 16 Mar 2024 00:41:02 -0700 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000000568df0613c23f45@google.com> Subject: Re: [syzbot] [io-uring?] KMSAN: uninit-value in io_sendrecv_fail From: syzbot To: asml.silence@gmail.com, axboe@kernel.dk, io-uring@vger.kernel.org, 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: w interface driver emi26 - firmware loader [ 4.930123][ T1] usbcore: registered new interface driver emi62 - fir= mware loader [ 4.933583][ T1] usbcore: registered new interface driver idmouse [ 4.936138][ T1] usbcore: registered new interface driver iowarrior [ 4.938260][ T1] usbcore: registered new interface driver isight_firm= ware [ 4.941539][ T1] usbcore: registered new interface driver usblcd [ 4.944208][ T1] usbcore: registered new interface driver ldusb [ 4.946236][ T1] usbcore: registered new interface driver legousbtowe= r [ 4.948760][ T1] usbcore: registered new interface driver usbtest [ 4.951336][ T1] usbcore: registered new interface driver usb_ehset_t= est [ 4.953754][ T1] usbcore: registered new interface driver trancevibra= tor [ 4.956657][ T1] usbcore: registered new interface driver uss720 [ 4.958553][ T1] uss720: USB Parport Cable driver for Cables using th= e Lucent Technologies USS720 Chip [ 4.961696][ T1] uss720: NOTE: this is a special purpose driver to al= low nonstandard [ 4.965815][ T1] uss720: protocols (eg. bitbang) over USS720 usb to p= arallel cables [ 4.968828][ T1] uss720: If you just want to connect to a printer, us= e usblp instead [ 4.971404][ T1] usbcore: registered new interface driver usbsevseg [ 4.973400][ T1] usbcore: registered new interface driver yurex [ 4.975425][ T1] usbcore: registered new interface driver chaoskey [ 4.977627][ T1] usbcore: registered new interface driver sisusb [ 4.979915][ T1] usbcore: registered new interface driver lvs [ 4.981851][ T1] usbcore: registered new interface driver cxacru [ 4.983985][ T1] usbcore: registered new interface driver speedtch [ 4.985950][ T1] usbcore: registered new interface driver ueagle-atm [ 4.988079][ T1] xusbatm: malformed module parameters [ 4.990267][ T1] dummy_hcd dummy_hcd.0: USB Host+Gadget Emulator, dri= ver 02 May 2005 [ 4.992631][ T1] dummy_hcd dummy_hcd.0: Dummy host controller [ 4.994246][ T1] dummy_hcd dummy_hcd.0: new USB bus registered, assig= ned bus number 1 [ 4.996646][ T1] usb usb1: New USB device found, idVendor=3D1d6b, idP= roduct=3D0002, bcdDevice=3D 6.00 [ 4.999972][ T1] usb usb1: New USB device strings: Mfr=3D3, Product= =3D2, SerialNumber=3D1 [ 5.002339][ T1] usb usb1: Product: Dummy host controller [ 5.004170][ T1] usb usb1: Manufacturer: Linux 6.0.0-rc1-syzkaller-00= 033-gd59bd748db0a dummy_hcd [ 5.006694][ T1] usb usb1: SerialNumber: dummy_hcd.0 [ 5.008294][ T1] hub 1-0:1.0: USB hub found [ 5.009512][ T1] hub 1-0:1.0: 1 port detected [ 5.011319][ T1] dummy_hcd dummy_hcd.1: USB Host+Gadget Emulator, dri= ver 02 May 2005 [ 5.013887][ T1] dummy_hcd dummy_hcd.1: Dummy host controller [ 5.016176][ T1] dummy_hcd dummy_hcd.1: new USB bus registered, assig= ned bus number 2 [ 5.018574][ T1] usb usb2: New USB device found, idVendor=3D1d6b, idP= roduct=3D0002, bcdDevice=3D 6.00 [ 5.020979][ T1] usb usb2: New USB device strings: Mfr=3D3, Product= =3D2, SerialNumber=3D1 [ 5.022687][ T1] usb usb2: Product: Dummy host controller [ 5.024450][ T1] usb usb2: Manufacturer: Linux 6.0.0-rc1-syzkaller-00= 033-gd59bd748db0a dummy_hcd [ 5.027608][ T1] usb usb2: SerialNumber: dummy_hcd.1 [ 5.029702][ T1] hub 2-0:1.0: USB hub found [ 5.031266][ T1] hub 2-0:1.0: 1 port detected [ 5.032936][ T1] dummy_hcd dummy_hcd.2: USB Host+Gadget Emulator, dri= ver 02 May 2005 [ 5.035475][ T1] dummy_hcd dummy_hcd.2: Dummy host controller [ 5.037713][ T1] dummy_hcd dummy_hcd.2: new USB bus registered, assig= ned bus number 3 [ 5.040503][ T1] usb usb3: New USB device found, idVendor=3D1d6b, idP= roduct=3D0002, bcdDevice=3D 6.00 [ 5.043261][ T1] usb usb3: New USB device strings: Mfr=3D3, Product= =3D2, SerialNumber=3D1 [ 5.045104][ T1] usb usb3: Product: Dummy host controller [ 5.046289][ T1] usb usb3: Manufacturer: Linux 6.0.0-rc1-syzkaller-00= 033-gd59bd748db0a dummy_hcd [ 5.048827][ T1] usb usb3: SerialNumber: dummy_hcd.2 [ 5.050576][ T1] hub 3-0:1.0: USB hub found [ 5.051876][ T1] hub 3-0:1.0: 1 port detected [ 5.053553][ T1] dummy_hcd dummy_hcd.3: USB Host+Gadget Emulator, dri= ver 02 May 2005 [ 5.055781][ T1] dummy_hcd dummy_hcd.3: Dummy host controller [ 5.057706][ T1] dummy_hcd dummy_hcd.3: new USB bus registered, assig= ned bus number 4 [ 5.060296][ T1] usb usb4: New USB device found, idVendor=3D1d6b, idP= roduct=3D0002, bcdDevice=3D 6.00 [ 5.062797][ T1] usb usb4: New USB device strings: Mfr=3D3, Product= =3D2, SerialNumber=3D1 [ 5.064685][ T1] usb usb4: Product: Dummy host controller [ 5.066160][ T1] usb usb4: Manufacturer: Linux 6.0.0-rc1-syzkaller-00= 033-gd59bd748db0a dummy_hcd [ 5.068499][ T1] usb usb4: SerialNumber: dummy_hcd.3 [ 5.070209][ T1] hub 4-0:1.0: USB hub found [ 5.071787][ T1] hub 4-0:1.0: 1 port detected [ 5.073440][ T1] dummy_hcd dummy_hcd.4: USB Host+Gadget Emulator, dri= ver 02 May 2005 [ 5.075182][ T1] dummy_hcd dummy_hcd.4: Dummy host controller [ 5.076592][ T1] dummy_hcd dummy_hcd.4: new USB bus registered, assig= ned bus number 5 [ 5.078624][ T1] usb usb5: New USB device found, idVendor=3D1d6b, idP= roduct=3D0002, bcdDevice=3D 6.00 [ 5.080862][ T1] usb usb5: New USB device strings: Mfr=3D3, Product= =3D2, SerialNumber=3D1 [ 5.083013][ T1] usb usb5: Product: Dummy host controller [ 5.084611][ T1] usb usb5: Manufacturer: Linux 6.0.0-rc1-syzkaller-00= 033-gd59bd748db0a dummy_hcd [ 5.087050][ T1] usb usb5: SerialNumber: dummy_hcd.4 [ 5.088518][ T1] hub 5-0:1.0: USB hub found [ 5.089972][ T1] hub 5-0:1.0: 1 port detected [ 5.091603][ T1] dummy_hcd dummy_hcd.5: USB Host+Gadget Emulator, dri= ver 02 May 2005 [ 5.094464][ T1] dummy_hcd dummy_hcd.5: Dummy host controller [ 5.096179][ T1] dummy_hcd dummy_hcd.5: new USB bus registered, assig= ned bus number 6 [ 5.098245][ T1] usb usb6: New USB device found, idVendor=3D1d6b, idP= roduct=3D0002, bcdDevice=3D 6.00 [ 5.100696][ T1] usb usb6: New USB device strings: Mfr=3D3, Product= =3D2, SerialNumber=3D1 [ 5.102751][ T1] usb usb6: Product: Dummy host controller [ 5.104243][ T1] usb usb6: Manufacturer: Linux 6.0.0-rc1-syzkaller-00= 033-gd59bd748db0a dummy_hcd [ 5.106248][ T1] usb usb6: SerialNumber: dummy_hcd.5 [ 5.107854][ T1] hub 6-0:1.0: USB hub found [ 5.109089][ T1] hub 6-0:1.0: 1 port detected [ 5.110733][ T1] dummy_hcd dummy_hcd.6: USB Host+Gadget Emulator, dri= ver 02 May 2005 [ 5.112657][ T1] dummy_hcd dummy_hcd.6: Dummy host controller [ 5.113957][ T1] dummy_hcd dummy_hcd.6: new USB bus registered, assig= ned bus number 7 [ 5.115878][ T1] usb usb7: New USB device found, idVendor=3D1d6b, idP= roduct=3D0002, bcdDevice=3D 6.00 [ 5.117770][ T1] usb usb7: New USB device strings: Mfr=3D3, Product= =3D2, SerialNumber=3D1 [ 5.119911][ T1] usb usb7: Product: Dummy host controller [ 5.121564][ T1] usb usb7: Manufacturer: Linux 6.0.0-rc1-syzkaller-00= 033-gd59bd748db0a dummy_hcd [ 5.123794][ T1] usb usb7: SerialNumber: dummy_hcd.6 [ 5.125643][ T1] hub 7-0:1.0: USB hub found [ 5.128371][ T1] hub 7-0:1.0: 1 port detected [ 5.130464][ T1] dummy_hcd dummy_hcd.7: USB Host+Gadget Emulator, dri= ver 02 May 2005 [ 5.132874][ T1] dummy_hcd dummy_hcd.7: Dummy host controller [ 5.134563][ T1] dummy_hcd dummy_hcd.7: new USB bus registered, assig= ned bus number 8 [ 5.136921][ T1] usb usb8: New USB device found, idVendor=3D1d6b, idP= roduct=3D0002, bcdDevice=3D 6.00 [ 5.139796][ T1] usb usb8: New USB device strings: Mfr=3D3, Product= =3D2, SerialNumber=3D1 [ 5.142568][ T1] usb usb8: Product: Dummy host controller [ 5.144170][ T1] usb usb8: Manufacturer: Linux 6.0.0-rc1-syzkaller-00= 033-gd59bd748db0a dummy_hcd [ 5.146630][ T1] usb usb8: SerialNumber: dummy_hcd.7 [ 5.148441][ T1] hub 8-0:1.0: USB hub found [ 5.150215][ T1] hub 8-0:1.0: 1 port detected [ 5.153433][ T1] general protection fault, probably for non-canonical= address 0xffff000000000800: 0000 [#1] PREEMPT SMP [ 5.157506][ T1] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 6.0.0-rc1-= syzkaller-00033-gd59bd748db0a #0 [ 5.159433][ T1] Hardware name: Google Google Compute Engine/Google C= ompute Engine, BIOS Google 02/29/2024 [ 5.160818][ T1] RIP: 0010:kmem_cache_alloc_trace+0x6a/0x1e0 [ 5.161856][ T1] Code: 48 85 c0 74 7e 49 89 c7 49 8b 07 65 48 03 05 4= d 31 af 7e 48 8b 50 08 48 8b 38 48 85 ff 74 7d 48 83 78 10 00 74 76 41 8b 4= 7 28 <48> 8b 1c 07 48 8d 4a 08 4d 8b 07 48 89 f8 65 49 0f c7 08 0f 94 c0 [ 5.162052][ T1] RSP: 0000:ffff8881001af8a0 EFLAGS: 00010286 [ 5.162052][ T1] RAX: 0000000000000800 RBX: 0000000000000000 RCX: 000= 0000000000000 [ 5.162052][ T1] RDX: 0000000000009e48 RSI: 0000000000000dc0 RDI: fff= f000000000000 [ 5.162052][ T1] RBP: ffff8881001af8e0 R08: 0000000000000dc0 R09: fff= fffff82992c5d [ 5.162052][ T1] R10: 0000000000000004 R11: ffff8881001e8000 R12: fff= f888100041d00 [ 5.162052][ T1] R13: ffffffff823e1d01 R14: 0000000000000dc0 R15: fff= f888100041d00 [ 5.162052][ T1] FS: 0000000000000000(0000) GS:ffff88813bc00000(0000= ) knlGS:0000000000000000 [ 5.162052][ T1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5.162052][ T1] CR2: ffff88823ffff000 CR3: 0000000005c29000 CR4: 000= 00000003506f0 [ 5.162052][ T1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 000= 0000000000000 [ 5.162052][ T1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 000= 0000000000400 [ 5.162052][ T1] Call Trace: [ 5.162052][ T1] [ 5.162052][ T1] kobject_uevent_env+0x151/0x4c0 [ 5.162052][ T1] ? device_links_driver_bound+0x596/0x5b0 [ 5.162052][ T1] kobject_uevent+0x23/0x30 [ 5.162052][ T1] driver_bound+0x1da/0x200 [ 5.162052][ T1] ? platform_uevent+0x90/0x90 [ 5.162052][ T1] really_probe+0x424/0x4c0 [ 5.162052][ T1] ? __driver_probe_device+0xeb/0x140 [ 5.162052][ T1] __driver_probe_device+0xf6/0x140 [ 5.162052][ T1] driver_probe_device+0x31/0x210 [ 5.162052][ T1] __device_attach_driver+0x1e1/0x250 [ 5.162052][ T1] ? coredump_store+0x50/0x50 [ 5.162052][ T1] bus_for_each_drv+0xae/0x100 [ 5.162052][ T1] __device_attach+0x13d/0x220 [ 5.162052][ T1] device_initial_probe+0x1e/0x30 [ 5.162052][ T1] bus_probe_device+0x62/0xf0 [ 5.162052][ T1] device_add+0x655/0x7b0 [ 5.162052][ T1] platform_device_add+0x22f/0x330 [ 5.162052][ T1] dummy_hcd_init+0x4ce/0x6dc [ 5.162052][ T1] ? configfs_register_subsystem+0x228/0x240 [ 5.162052][ T1] ? usb_udc_init+0x9d/0x9d [ 5.162052][ T1] do_one_initcall+0xa8/0x390 [ 5.162052][ T1] ? skip_spaces+0x2c/0x40 [ 5.162052][ T1] ? next_arg+0x266/0x280 [ 5.162052][ T1] ? parse_args+0x577/0x5b0 [ 5.162052][ T1] do_initcall_level+0x94/0x171 [ 5.162052][ T1] do_initcalls+0x4e/0x89 [ 5.162052][ T1] do_basic_setup+0x1d/0x1f [ 5.200701][ T1] kernel_init_freeable+0x113/0x189 [ 5.200701][ T1] ? rest_init+0xd0/0xd0 [ 5.200701][ T1] kernel_init+0x1f/0x2a0 [ 5.200701][ T1] ? rest_init+0xd0/0xd0 [ 5.200701][ T1] ret_from_fork+0x1f/0x30 [ 5.200701][ T1] [ 5.200701][ T1] Modules linked in: [ 5.210897][ C0] vkms_vblank_simulate: vblank timer overrun [ 5.212396][ T1] ---[ end trace 0000000000000000 ]--- [ 5.213702][ T1] RIP: 0010:kmem_cache_alloc_trace+0x6a/0x1e0 [ 5.215084][ T1] Code: 48 85 c0 74 7e 49 89 c7 49 8b 07 65 48 03 05 4= d 31 af 7e 48 8b 50 08 48 8b 38 48 85 ff 74 7d 48 83 78 10 00 74 76 41 8b 4= 7 28 <48> 8b 1c 07 48 8d 4a 08 4d 8b 07 48 89 f8 65 49 0f c7 08 0f 94 c0 [ 5.220767][ T1] RSP: 0000:ffff8881001af8a0 EFLAGS: 00010286 [ 5.222164][ T1] RAX: 0000000000000800 RBX: 0000000000000000 RCX: 000= 0000000000000 [ 5.224220][ T1] RDX: 0000000000009e48 RSI: 0000000000000dc0 RDI: fff= f000000000000 [ 5.226644][ T1] RBP: ffff8881001af8e0 R08: 0000000000000dc0 R09: fff= fffff82992c5d [ 5.229009][ T1] R10: 0000000000000004 R11: ffff8881001e8000 R12: fff= f888100041d00 [ 5.231225][ T1] R13: ffffffff823e1d01 R14: 0000000000000dc0 R15: fff= f888100041d00 [ 5.233220][ T1] FS: 0000000000000000(0000) GS:ffff88813bc00000(0000= ) knlGS:0000000000000000 [ 5.235486][ T1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5.237106][ T1] CR2: ffff88823ffff000 CR3: 0000000005c29000 CR4: 000= 00000003506f0 [ 5.238923][ T1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 000= 0000000000000 [ 5.240518][ T1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 000= 0000000000400 [ 5.242066][ T1] Kernel panic - not syncing: Fatal exception [ 5.244082][ T1] Kernel Offset: disabled [ 5.245268][ 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-build3912001592=3D/tmp/go-build -gno-record-gc= c-switches' git status (err=3D) HEAD detached at 6ee49f2e6 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=3D6ee49f2e61b06b3d64c676dd2232a5ac362902a6 -X '= github.com/google/syzkaller/prog.gitRevisionDate=3D20240308-214706'" "-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=3D6ee49f2e61b06b3d64c676dd2232a5ac362902a6 -X '= github.com/google/syzkaller/prog.gitRevisionDate=3D20240308-214706'" "-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=3D6ee49f2e61b06b3d64c676dd2232a5ac362902a6 -X '= github.com/google/syzkaller/prog.gitRevisionDate=3D20240308-214706'" "-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\"6ee49f2e61b06b3d64c676dd2232a5ac36= 2902a6\" Error text is too large and was truncated, full error text is at: https://syzkaller.appspot.com/x/error.txt?x=3D146d8aa5180000 Tested on: commit: d59bd748 io_uring/poll: disable level triggered poll git tree: git://git.kernel.dk/linux.git io_uring-6.0 kernel config: https://syzkaller.appspot.com/x/.config?x=3D7646c61aacfb37b= 5 dashboard link: https://syzkaller.appspot.com/bug?extid=3Df8e9a371388aa62ec= ab4 compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debia= n) 2.40 Note: no patches were applied.