Hello, syzbot tried to test the proposed patch but the build/boot failed: [ T1] NFS: Registering the id_resolver key type [ 20.847533][ T1] Key type id_resolver registered [ 20.852991][ T1] Key type id_legacy registered [ 20.859477][ T1] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 20.868251][ T1] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... [ 20.901326][ T1] Key type cifs.spnego registered [ 20.907727][ T1] Key type cifs.idmap registered [ 20.917413][ T1] ntfs: driver 2.1.32 [Flags: R/W]. [ 20.923298][ T1] ntfs3: Max link count 4000 [ 20.928297][ T1] ntfs3: Enabled Linux POSIX ACLs support [ 20.934148][ T1] ntfs3: Read-only LZX/Xpress compression included [ 20.941172][ T1] efs: 1.0a - http://aeschi.ch.eu.org/efs/ [ 20.947393][ T1] romfs: ROMFS MTD (C) 2007 Red Hat, Inc. [ 20.953397][ T1] QNX4 filesystem 0.2.3 registered. [ 20.958982][ T1] qnx6: QNX6 filesystem 1.0.0 registered. [ 20.965985][ T1] fuse: init (API version 7.39) [ 20.976858][ T1] orangefs_debugfs_init: called with debug mask: :none: :0: [ 20.985505][ T1] orangefs_init: module version upstream loaded [ 20.993572][ T1] JFS: nTxBlock = 8192, nTxLock = 65536 [ 21.034087][ T1] SGI XFS with ACLs, security attributes, realtime, quota, no debug enabled [ 21.051635][ T1] 9p: Installing v9fs 9p2000 file system support [ 21.058997][ T1] NILFS version 2 loaded [ 21.063484][ T1] befs: version: 0.9.3 [ 21.068879][ T1] ocfs2: Registered cluster interface o2cb [ 21.075961][ T1] ocfs2: Registered cluster interface user [ 21.083257][ T1] OCFS2 User DLM kernel interface loaded [ 21.102750][ T1] gfs2: GFS2 installed [ 21.142225][ T1] ceph: loaded (mds proto 32) [ 25.265679][ T1] NET: Registered PF_ALG protocol family [ 25.271965][ T1] xor: automatically using best checksumming function avx [ 25.280055][ T1] async_tx: api initialized (async) [ 25.285498][ T1] Key type asymmetric registered [ 25.290927][ T1] Asymmetric key parser 'x509' registered [ 25.296825][ T1] Asymmetric key parser 'pkcs8' registered [ 25.302732][ T1] Key type pkcs7_test registered [ 25.308482][ T1] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 240) [ 25.318600][ T1] io scheduler mq-deadline registered [ 25.324054][ T1] io scheduler kyber registered [ 25.331126][ T1] io scheduler bfq registered [ 25.347558][ T1] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 25.363347][ T136] kworker/u4:0 (136) used greatest stack depth: 11000 bytes left [ 25.374100][ T1] ACPI: button: Power Button [PWRF] [ 25.381760][ T1] input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1 [ 25.392277][ T1] ACPI: button: Sleep Button [SLPF] [ 25.414526][ T1] ioatdma: Intel(R) QuickData Technology Driver 5.00 [ 25.499231][ T1] ACPI: \_SB_.LNKC: Enabled at IRQ 11 [ 25.505226][ T1] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver [ 25.579195][ T1] ACPI: \_SB_.LNKD: Enabled at IRQ 10 [ 25.585070][ T1] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver [ 25.662347][ T1] ACPI: \_SB_.LNKB: Enabled at IRQ 10 [ 25.668284][ T1] virtio-pci 0000:00:06.0: virtio_pci: leaving for legacy driver [ 25.725221][ T1] virtio-pci 0000:00:07.0: virtio_pci: leaving for legacy driver [ 26.750369][ T1] N_HDLC line discipline registered with maxframe=4096 [ 26.758188][ T1] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 26.770021][ T1] 00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 26.799322][ T1] 00:04: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A [ 26.828884][ T1] 00:05: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A [ 26.856640][ T1] 00:06: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = 115200) is a 16550A [ 26.903869][ T1] Non-volatile memory driver v1.3 [ 26.925949][ T1] Linux agpgart interface v0.103 [ 26.944845][ T1] ACPI: bus type drm_connector registered [ 26.963460][ T1] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 0 [ 26.985308][ T1] [drm] Initialized vkms 1.0.0 20180514 for vkms on minor 1 [ 27.457414][ T1] Console: switching to colour frame buffer device 128x48 [ 27.612960][ T1] platform vkms: [drm] fb0: vkmsdrmfb frame buffer device [ 27.621207][ T1] usbcore: registered new interface driver udl [ 27.785853][ T1] brd: module loaded [ 27.962515][ T1] loop: module loaded [ 28.204419][ T1] zram: Added device: zram0 [ 28.227930][ T1] null_blk: disk nullb0 created [ 28.232984][ T1] null_blk: module loaded [ 28.238841][ T1] Guest personality initialized and is inactive [ 28.247691][ T1] VMCI host device registered (name=vmci, major=10, minor=118) [ 28.255558][ T1] Initialized host personality [ 28.261000][ T1] usbcore: registered new interface driver rtsx_usb [ 28.269847][ T1] usbcore: registered new interface driver viperboard [ 28.277538][ T1] usbcore: registered new interface driver dln2 [ 28.284724][ T1] usbcore: registered new interface driver pn533_usb [ 28.297696][ T1] nfcsim 0.2 initialized [ 28.302508][ T1] usbcore: registered new interface driver port100 [ 28.309540][ T1] usbcore: registered new interface driver nfcmrvl [ 28.325751][ T1] Loading iSCSI transport class v2.0-870. [ 28.358008][ T1] virtio_scsi virtio0: 1/0/0 default/read/poll queues [ 28.395519][ T1] scsi host0: Virtio SCSI HBA [ 28.917048][ T1] st: Version 20160209, fixed bufsize 32768, s/g segs 256 [ 28.933542][ T11] scsi 0:0:1:0: Direct-Access Google PersistentDisk 1 PQ: 0 ANSI: 6 [ 28.978523][ T1] Rounding down aligned max_sectors from 4294967295 to 4294967288 [ 28.988652][ T1] db_root: cannot open: /etc/target [ 29.035870][ T1] ===================================================== [ 29.036118][ T1] BUG: KMSAN: use-after-free in __list_del_entry_valid_or_report+0x19e/0x490 [ 29.036138][ T1] __list_del_entry_valid_or_report+0x19e/0x490 [ 29.036138][ T1] stack_depot_save_flags+0x3e7/0x7b0 [ 29.036138][ T1] stack_depot_save+0x12/0x20 [ 29.036138][ T1] ref_tracker_alloc+0x215/0x700 [ 29.036138][ T1] netdev_hold+0xe2/0x120 [ 29.036138][ T1] register_netdevice+0x1bc7/0x2170 [ 29.036138][ T1] bond_create+0x138/0x2a0 [ 29.036138][ T1] bonding_init+0x1a7/0x2d0 [ 29.036138][ T1] do_one_initcall+0x216/0x960 [ 29.036138][ T1] do_initcall_level+0x140/0x350 [ 29.036138][ T1] do_initcalls+0xf0/0x1d0 [ 29.036138][ T1] do_basic_setup+0x22/0x30 [ 29.036138][ T1] kernel_init_freeable+0x300/0x4b0 [ 29.036138][ T1] kernel_init+0x2f/0x7e0 [ 29.036138][ T1] ret_from_fork+0x66/0x80 [ 29.036138][ T1] ret_from_fork_asm+0x11/0x20 [ 29.036138][ T1] [ 29.036138][ T1] Uninit was created at: [ 29.036138][ T1] free_unref_page_prepare+0xc1/0xad0 [ 29.036138][ T1] free_unref_page+0x58/0x6d0 [ 29.036138][ T1] __free_pages+0xb1/0x1f0 [ 29.036138][ T1] thread_stack_free_rcu+0x97/0xb0 [ 29.036138][ T1] rcu_core+0xa3c/0x1df0 [ 29.036138][ T1] rcu_core_si+0x12/0x20 [ 29.036138][ T1] __do_softirq+0x1b7/0x7c3 [ 29.036138][ T1] [ 29.036138][ T1] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 6.8.0-rc2-syzkaller-g6764c317b6bb #0 [ 29.036138][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 29.036138][ T1] ===================================================== [ 29.036138][ T1] Disabling lock debugging due to kernel taint [ 29.036138][ T1] Kernel panic - not syncing: kmsan.panic set ... [ 29.036138][ T1] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G B 6.8.0-rc2-syzkaller-g6764c317b6bb #0 [ 29.036138][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 29.036138][ T1] Call Trace: [ 29.036138][ T1] <TASK> [ 29.036138][ T1] dump_stack_lvl+0x1bf/0x240 [ 29.036138][ T1] dump_stack+0x1e/0x20 [ 29.036138][ T1] panic+0x4de/0xc90 [ 29.036138][ T1] kmsan_report+0x2d0/0x2d0 [ 29.036138][ T1] ? cleanup_uevent_env+0x30/0x50 [ 29.036138][ T1] ? netdev_queue_update_kobjects+0x3f5/0x870 [ 29.036138][ T1] ? netdev_register_kobject+0x41e/0x520 [ 29.036138][ T1] ? register_netdevice+0x198f/0x2170 [ 29.036138][ T1] ? __msan_warning+0x96/0x110 [ 29.036138][ T1] ? __list_del_entry_valid_or_report+0x19e/0x490 [ 29.036138][ T1] ? stack_depot_save_flags+0x3e7/0x7b0 [ 29.036138][ T1] ? stack_depot_save+0x12/0x20 [ 29.036138][ T1] ? ref_tracker_alloc+0x215/0x700 [ 29.036138][ T1] ? netdev_hold+0xe2/0x120 [ 29.036138][ T1] ? register_netdevice+0x1bc7/0x2170 [ 29.036138][ T1] ? bond_create+0x138/0x2a0 [ 29.036138][ T1] ? bonding_init+0x1a7/0x2d0 [ 29.036138][ T1] ? do_one_initcall+0x216/0x960 [ 29.036138][ T1] ? do_initcall_level+0x140/0x350 [ 29.036138][ T1] ? do_initcalls+0xf0/0x1d0 [ 29.036138][ T1] ? do_basic_setup+0x22/0x30 [ 29.036138][ T1] ? kernel_init_freeable+0x300/0x4b0 [ 29.036138][ T1] ? kernel_init+0x2f/0x7e0 [ 29.036138][ T1] ? ret_from_fork+0x66/0x80 [ 29.036138][ T1] ? ret_from_fork_asm+0x11/0x20 [ 29.036138][ T1] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 29.036138][ T1] ? kmsan_get_metadata+0x146/0x1c0 [ 29.036138][ T1] ? kmsan_get_metadata+0x146/0x1c0 [ 29.036138][ T1] ? kmsan_get_metadata+0x146/0x1c0 [ 29.036138][ T1] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 29.036138][ T1] ? filter_irq_stacks+0x60/0x1a0 [ 29.036138][ T1] ? stack_depot_save_flags+0x2c/0x7b0 [ 29.036138][ T1] ? kmsan_get_metadata+0x146/0x1c0 [ 29.036138][ T1] ? kmsan_get_metadata+0x146/0x1c0 [ 29.036138][ T1] ? kmsan_get_metadata+0x146/0x1c0 [ 29.036138][ T1] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 29.036138][ T1] __msan_warning+0x96/0x110 [ 29.036138][ T1] __list_del_entry_valid_or_report+0x19e/0x490 [ 29.036138][ T1] stack_depot_save_flags+0x3e7/0x7b0 [ 29.036138][ T1] stack_depot_save+0x12/0x20 [ 29.036138][ T1] ref_tracker_alloc+0x215/0x700 [ 29.036138][ T1] ? kmsan_get_metadata+0x146/0x1c0 [ 29.036138][ T1] ? netdev_hold+0xe2/0x120 [ 29.036138][ T1] ? register_netdevice+0x1bc7/0x2170 [ 29.036138][ T1] ? bond_create+0x138/0x2a0 [ 29.036138][ T1] ? bonding_init+0x1a7/0x2d0 [ 29.036138][ T1] ? do_one_initcall+0x216/0x960 [ 29.036138][ T1] ? do_initcall_level+0x140/0x350 [ 29.036138][ T1] ? do_initcalls+0xf0/0x1d0 [ 29.036138][ T1] ? do_basic_setup+0x22/0x30 [ 29.036138][ T1] ? kernel_init_freeable+0x300/0x4b0 [ 29.036138][ T1] ? kernel_init+0x2f/0x7e0 [ 29.036138][ T1] ? ret_from_fork+0x66/0x80 [ 29.036138][ T1] ? ret_from_fork_asm+0x11/0x20 [ 29.036138][ T1] ? kmsan_internal_unpoison_memory+0x14/0x20 [ 29.036138][ T1] netdev_hold+0xe2/0x120 [ 29.036138][ T1] register_netdevice+0x1bc7/0x2170 [ 29.036138][ T1] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 29.036138][ T1] bond_create+0x138/0x2a0 [ 29.036138][ T1] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 29.036138][ T1] bonding_init+0x1a7/0x2d0 [ 29.036138][ T1] ? spi_dln2_driver_init+0x40/0x40 [ 29.036138][ T1] do_one_initcall+0x216/0x960 [ 29.036138][ T1] ? spi_dln2_driver_init+0x40/0x40 [ 29.036138][ T1] ? kmsan_get_metadata+0x60/0x1c0 [ 29.036138][ T1] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 29.036138][ T1] ? filter_irq_stacks+0x60/0x1a0 [ 29.036138][ T1] ? stack_depot_save_flags+0x2c/0x7b0 [ 29.036138][ T1] ? skip_spaces+0x8f/0xc0 [ 29.036138][ T1] ? kmsan_get_metadata+0x146/0x1c0 [ 29.036138][ T1] ? kmsan_get_metadata+0x146/0x1c0 [ 29.036138][ T1] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 29.036138][ T1] ? kmsan_get_metadata+0x146/0x1c0 [ 29.036138][ T1] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 29.036138][ T1] ? parse_args+0x1511/0x15e0 [ 29.036138][ T1] ? kmsan_get_metadata+0x146/0x1c0 [ 29.036138][ T1] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 29.036138][ T1] ? spi_dln2_driver_init+0x40/0x40 [ 29.036138][ T1] do_initcall_level+0x140/0x350 [ 29.036138][ T1] do_initcalls+0xf0/0x1d0 [ 29.036138][ T1] ? arch_cpuhp_init_parallel_bringup+0xe0/0xe0 [ 29.036138][ T1] do_basic_setup+0x22/0x30 [ 29.036138][ T1] kernel_init_freeable+0x300/0x4b0 [ 29.036138][ T1] ? rest_init+0x260/0x260 [ 29.036138][ T1] kernel_init+0x2f/0x7e0 [ 29.036138][ T1] ? rest_init+0x260/0x260 [ 29.036138][ T1] ret_from_fork+0x66/0x80 [ 29.036138][ T1] ? rest_init+0x260/0x260 [ 29.036138][ T1] ret_from_fork_asm+0x11/0x20 [ 29.036138][ T1] </TASK> [ 29.036138][ T1] Kernel Offset: disabled 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-build2170902610=/tmp/go-build -gno-record-gcc-switches' git status (err=<nil>) HEAD detached at 373b66cd2 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=373b66cd2ba1fd05c72d0bbe16141fb287fe2eb3 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20240130-131205'" "-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=373b66cd2ba1fd05c72d0bbe16141fb287fe2eb3 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20240130-131205'" "-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=373b66cd2ba1fd05c72d0bbe16141fb287fe2eb3 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20240130-131205'" "-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=\"373b66cd2ba1fd05c72d0bbe16141fb287fe2eb3\" Error text is too large and was truncated, full error text is at: https://syzkaller.appspot.com/x/error.txt?x=12b5bad3e80000 Tested on: commit: 6764c317 Merge tag 'scsi-fixes' of git://git.kernel.or.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=f8b2756f2e75608e dashboard link: https://syzkaller.appspot.com/bug?extid=88ad8b0517a9d3bb9dc8 compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 Note: no patches were applied.
