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 - firmware 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_firmware [ 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 legousbtower [ 4.948760][ T1] usbcore: registered new interface driver usbtest [ 4.951336][ T1] usbcore: registered new interface driver usb_ehset_test [ 4.953754][ T1] usbcore: registered new interface driver trancevibrator [ 4.956657][ T1] usbcore: registered new interface driver uss720 [ 4.958553][ T1] uss720: USB Parport Cable driver for Cables using the Lucent Technologies USS720 Chip [ 4.961696][ T1] uss720: NOTE: this is a special purpose driver to allow nonstandard [ 4.965815][ T1] uss720: protocols (eg. bitbang) over USS720 usb to parallel cables [ 4.968828][ T1] uss720: If you just want to connect to a printer, use 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, driver 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, assigned bus number 1 [ 4.996646][ T1] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 6.00 [ 4.999972][ T1] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 5.002339][ T1] usb usb1: Product: Dummy host controller [ 5.004170][ T1] usb usb1: Manufacturer: Linux 6.0.0-rc1-syzkaller-00033-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, driver 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, assigned bus number 2 [ 5.018574][ T1] usb usb2: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 6.00 [ 5.020979][ T1] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 5.022687][ T1] usb usb2: Product: Dummy host controller [ 5.024450][ T1] usb usb2: Manufacturer: Linux 6.0.0-rc1-syzkaller-00033-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, driver 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, assigned bus number 3 [ 5.040503][ T1] usb usb3: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 6.00 [ 5.043261][ T1] usb usb3: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 5.045104][ T1] usb usb3: Product: Dummy host controller [ 5.046289][ T1] usb usb3: Manufacturer: Linux 6.0.0-rc1-syzkaller-00033-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, driver 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, assigned bus number 4 [ 5.060296][ T1] usb usb4: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 6.00 [ 5.062797][ T1] usb usb4: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 5.064685][ T1] usb usb4: Product: Dummy host controller [ 5.066160][ T1] usb usb4: Manufacturer: Linux 6.0.0-rc1-syzkaller-00033-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, driver 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, assigned bus number 5 [ 5.078624][ T1] usb usb5: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 6.00 [ 5.080862][ T1] usb usb5: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 5.083013][ T1] usb usb5: Product: Dummy host controller [ 5.084611][ T1] usb usb5: Manufacturer: Linux 6.0.0-rc1-syzkaller-00033-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, driver 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, assigned bus number 6 [ 5.098245][ T1] usb usb6: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 6.00 [ 5.100696][ T1] usb usb6: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 5.102751][ T1] usb usb6: Product: Dummy host controller [ 5.104243][ T1] usb usb6: Manufacturer: Linux 6.0.0-rc1-syzkaller-00033-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, driver 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, assigned bus number 7 [ 5.115878][ T1] usb usb7: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 6.00 [ 5.117770][ T1] usb usb7: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 5.119911][ T1] usb usb7: Product: Dummy host controller [ 5.121564][ T1] usb usb7: Manufacturer: Linux 6.0.0-rc1-syzkaller-00033-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, driver 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, assigned bus number 8 [ 5.136921][ T1] usb usb8: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 6.00 [ 5.139796][ T1] usb usb8: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 5.142568][ T1] usb usb8: Product: Dummy host controller [ 5.144170][ T1] usb usb8: Manufacturer: Linux 6.0.0-rc1-syzkaller-00033-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 Compute 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 4d 31 af 7e 48 8b 50 08 48 8b 38 48 85 ff 74 7d 48 83 78 10 00 74 76 41 8b 47 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: 0000000000000000 [ 5.162052][ T1] RDX: 0000000000009e48 RSI: 0000000000000dc0 RDI: ffff000000000000 [ 5.162052][ T1] RBP: ffff8881001af8e0 R08: 0000000000000dc0 R09: ffffffff82992c5d [ 5.162052][ T1] R10: 0000000000000004 R11: ffff8881001e8000 R12: ffff888100041d00 [ 5.162052][ T1] R13: ffffffff823e1d01 R14: 0000000000000dc0 R15: ffff888100041d00 [ 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: 00000000003506f0 [ 5.162052][ T1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5.162052][ T1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5.162052][ T1] Call Trace: [ 5.162052][ T1] <TASK> [ 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] </TASK> [ 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 4d 31 af 7e 48 8b 50 08 48 8b 38 48 85 ff 74 7d 48 83 78 10 00 74 76 41 8b 47 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: 0000000000000000 [ 5.224220][ T1] RDX: 0000000000009e48 RSI: 0000000000000dc0 RDI: ffff000000000000 [ 5.226644][ T1] RBP: ffff8881001af8e0 R08: 0000000000000dc0 R09: ffffffff82992c5d [ 5.229009][ T1] R10: 0000000000000004 R11: ffff8881001e8000 R12: ffff888100041d00 [ 5.231225][ T1] R13: ffffffff823e1d01 R14: 0000000000000dc0 R15: ffff888100041d00 [ 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: 00000000003506f0 [ 5.238923][ T1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5.240518][ T1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 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=<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-build3912001592=/tmp/go-build -gno-record-gcc-switches' git status (err=<nil>) 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/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 Makefile:31: run command via tools/syz-env for best compatibility, see: Makefile:32: https://github.com/google/syzkaller/blob/master/docs/contributing.md#using-syz-env bin/syz-sysgen touch .descriptions GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/prog.GitRevision=6ee49f2e61b06b3d64c676dd2232a5ac362902a6 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20240308-214706'" "-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=6ee49f2e61b06b3d64c676dd2232a5ac362902a6 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20240308-214706'" "-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=6ee49f2e61b06b3d64c676dd2232a5ac362902a6 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20240308-214706'" "-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=\"6ee49f2e61b06b3d64c676dd2232a5ac362902a6\" Error text is too large and was truncated, full error text is at: https://syzkaller.appspot.com/x/error.txt?x=146d8aa5180000 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=7646c61aacfb37b5 dashboard link: https://syzkaller.appspot.com/bug?extid=f8e9a371388aa62ecab4 compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 Note: no patches were applied.
