Re: [syzbot] [usb] kernel BUG in __page_table_check_zero
From: syzbot
Date: Fri Nov 10 2023 - 16:02:36 EST
Hello,
syzbot tried to test the proposed patch but the build/boot failed:
T48] page_table_check: ===> fmap check_zero 0
[ 362.170604][ T505] page_table_check: ===> fmap check_zero 0
[ 362.170797][ T505] page_table_check: ===> anon check_zero 0
[ 362.170809][ T505] page_table_check: ===> fmap check_zero 0
[ 362.170818][ T505] page_table_check: ===> anon check_zero 0
[ 362.170827][ T505] page_table_check: ===> fmap check_zero 0
[ 362.171069][ T505] page_table_check: ===> anon check_zero 0
[ 362.176794][ T504] page_table_check: ===> fmap check_zero 0
[ 362.182799][ T1] page_table_check: ===> fmap check_zero 0
[ 362.188866][ T504] page_table_check: ===> anon check_zero 0
[ 362.201636][ T1] page_table_check: ===> anon check_zero 0
[ 362.206696][ T506] page_table_check: ===> fmap check_zero 0
[ 362.218333][ T505] page_table_check: ===> fmap check_zero 0
[ 362.218375][ T505] page_table_check: ===> anon check_zero 0
[ 362.224199][ T48] page_table_check: ===> anon check_zero 0
[ 362.230061][ T1] page_table_check: ===> fmap check_zero 0
[ 362.236027][ T48] page_table_check: ===> fmap check_zero 0
[ 362.241852][ T505] page_table_check: ===> fmap check_zero 0
[ 362.247788][ T504] page_table_check: ===> fmap check_zero 0
[ 362.253929][ T136] page_table_check: ===> anon check_zero 0
[ 362.259605][ T506] page_table_check: ===> anon check_zero 0
[ 362.265348][ T136] page_table_check: ===> fmap check_zero 0
[ 362.271393][ T48] page_table_check: ===> anon check_zero 0
[ 362.277427][ T1] page_table_check: ===> anon check_zero 0
[ 362.283007][ T504] page_table_check: ===> anon check_zero 0
[ 362.289355][ T505] page_table_check: ===> anon check_zero 0
[ 362.295354][ T506] page_table_check: ===> fmap check_zero 0
[ 362.301332][ T136] page_table_check: ===> anon check_zero 0
[ 362.307509][ T48] page_table_check: ===> fmap check_zero 0
[ 362.313384][ T1] page_table_check: ===> fmap check_zero 0
[ 362.319135][ T504] page_table_check: ===> fmap check_zero 0
[ 362.319779][ T506] page_table_check: ===> anon check_zero 0
[ 362.325036][ T505] page_table_check: ===> fmap check_zero 0
[ 362.331050][ T48] page_table_check: ===> anon check_zero 0
[ 362.336835][ T136] page_table_check: ===> fmap check_zero 0
[ 362.343553][ T506] page_table_check: ===> fmap check_zero 0
[ 362.349854][ T506] page_table_check: ===> anon check_zero 0
[ 362.356354][ T505] page_table_check: ===> anon check_zero 0
[ 362.374065][ T48] page_table_check: ===> fmap check_zero 0
[ 362.374322][ T136] page_table_check: ===> anon check_zero 0
[ 362.380577][ T1] page_table_check: ===> anon check_zero 0
[ 362.386242][ T48] page_table_check: ===> anon check_zero 0
[ 362.392397][ T507] page_table_check: ===> anon check_zero 0
[ 362.404172][ T136] page_table_check: ===> fmap check_zero 0
[ 362.404185][ T136] page_table_check: ===> anon check_zero 0
[ 362.404193][ T136] page_table_check: ===> fmap check_zero 0
[ 362.404202][ T136] page_table_check: ===> anon check_zero 0
[ 362.410304][ T1] page_table_check: ===> fmap check_zero 0
[ 362.416144][ T506] page_table_check: ===> fmap check_zero 0
[ 362.422138][ T505] page_table_check: ===> fmap check_zero 0
[ 362.428011][ T48] page_table_check: ===> fmap check_zero 0
[ 362.434082][ T507] page_table_check: ===> fmap check_zero 0
[ 362.440003][ T136] page_table_check: ===> fmap check_zero 0
[ 362.445999][ T26] page_table_check: ===> anon check_zero 0
[ 362.451679][ T506] page_table_check: ===> anon check_zero 0
[ 362.457737][ T505] page_table_check: ===> anon check_zero 0
[ 362.463592][ T48] page_table_check: ===> anon check_zero 0
[ 362.469633][ T507] page_table_check: ===> anon check_zero 0
[ 362.475448][ T506] page_table_check: ===> fmap check_zero 0
[ 362.481510][ T26] page_table_check: ===> fmap check_zero 0
[ 362.487421][ T136] page_table_check: ===> anon check_zero 0
[ 362.493500][ T505] page_table_check: ===> fmap check_zero 0
[ 362.499315][ T48] page_table_check: ===> fmap check_zero 0
[ 362.505100][ T26] page_table_check: ===> anon check_zero 0
[ 362.510969][ T506] page_table_check: ===> anon check_zero 0
[ 362.516841][ T507] page_table_check: ===> fmap check_zero 0
[ 362.522638][ T136] page_table_check: ===> fmap check_zero 0
[ 362.528771][ T26] page_table_check: ===> fmap check_zero 0
[ 362.540632][ T48] page_table_check: ===> anon check_zero 0
[ 362.540658][ T48] page_table_check: ===> fmap check_zero 0
[ 362.546730][ T507] page_table_check: ===> anon check_zero 0
[ 362.558342][ T506] page_table_check: ===> fmap check_zero 0
[ 362.564168][ T26] page_table_check: ===> anon check_zero 0
[ 362.570010][ T136] page_table_check: ===> anon check_zero 0
[ 362.581609][ T26] page_table_check: ===> fmap check_zero 0
[ 362.581624][ T26] page_table_check: ===> anon check_zero 0
[ 362.581633][ T26] page_table_check: ===> fmap check_zero 0
[ 362.581641][ T26] page_table_check: ===> anon check_zero 0
[ 362.587428][ T48] page_table_check: ===> anon check_zero 0
[ 362.593394][ T507] page_table_check: ===> fmap check_zero 0
[ 362.599226][ T506] page_table_check: ===> anon check_zero 0
[ 362.604935][ T507] page_table_check: ===> anon check_zero 0
[ 362.610759][ T136] page_table_check: ===> fmap check_zero 0
[ 362.610770][ T136] page_table_check: ===> anon check_zero 0
[ 362.610778][ T136] page_table_check: ===> fmap check_zero 0
[ 362.611101][ T48] page_table_check: ===> fmap check_zero 0
[ 362.622499][ T26] page_table_check: ===> fmap check_zero 0
[ 362.622518][ T26] page_table_check: ===> anon check_zero 0
[ 362.622527][ T26] page_table_check: ===> fmap check_zero 0
[ 362.622536][ T26] page_table_check: ===> anon check_zero 0
[ 362.622544][ T26] page_table_check: ===> fmap check_zero 0
[ 362.622553][ T26] page_table_check: ===> anon check_zero 0
[ 362.622561][ T26] page_table_check: ===> fmap check_zero 0
[ 362.622974][ T1] page_table_check: ===> anon check_zero 0
[ 362.629089][ T508] page_table_check: ===> anon check_zero 0
[ 362.634902][ T507] page_table_check: ===> fmap check_zero 0
[ 362.641106][ T506] page_table_check: ===> fmap check_zero 0
[ 362.647132][ T1] page_table_check: ===> fmap check_zero 0
[ 362.653063][ T508] page_table_check: ===> fmap check_zero 0
[ 362.653224][ T508] page_table_check: ===> anon check_zero 0
[ 362.659026][ T507] page_table_check: ===> anon check_zero 0
[ 362.665107][ T48] page_table_check: ===> anon check_zero 0
[ 362.670977][ T1] page_table_check: ===> anon check_zero 0
[ 362.676923][ T508] page_table_check: ===> fmap check_zero 0
[ 362.683091][ T507] page_table_check: ===> fmap check_zero 0
[ 362.689007][ T48] page_table_check: ===> fmap check_zero 0
[ 362.694822][ T1] page_table_check: ===> fmap check_zero 0
[ 362.700692][ T508] page_table_check: ===> anon check_zero 0
[ 362.706504][ T1] page_table_check: ===> anon check_zero 0
[ 362.712313][ T48] page_table_check: ===> anon check_zero 0
[ 362.718102][ T507] page_table_check: ===> anon check_zero 0
[ 362.724005][ T508] page_table_check: ===> fmap check_zero 0
[ 362.724084][ T508] page_table_check: ===> anon check_zero 0
[ 362.730443][ T1] page_table_check: ===> fmap check_zero 0
[ 362.742125][ T48] page_table_check: ===> fmap check_zero 0
[ 362.742140][ T48] page_table_check: ===> anon check_zero 0
[ 362.742149][ T48] page_table_check: ===> fmap check_zero 0
[ 362.747966][ T507] page_table_check: ===> fmap check_zero 0
[ 362.754060][ T508] page_table_check: ===> fmap check_zero 0
[ 362.760256][ T507] page_table_check: ===> anon check_zero 0
[ 362.766035][ T508] page_table_check: ===> anon check_zero 0
[ 362.771928][ T1] page_table_check: ===> anon check_zero 0
[ 362.789904][ T48] page_table_check: ===> anon check_zero 0
[ 362.795796][ T507] page_table_check: ===> fmap check_zero 0
[ 362.801593][ T508] page_table_check: ===> fmap check_zero 0
[ 362.807727][ T1] page_table_check: ===> fmap check_zero 0
[ 362.813956][ T48] page_table_check: ===> fmap check_zero 0
[ 362.814626][ T508] page_table_check: ===> anon check_zero 0
[ 362.820477][ T507] page_table_check: ===> anon check_zero 0
[ 362.826233][ T508] page_table_check: ===> fmap check_zero 0
[ 362.832257][ T509] page_table_check: ===> anon check_zero 0
[ 362.838122][ T508] page_table_check: ===> anon check_zero 0
[ 362.844115][ T1] page_table_check: ===> anon check_zero 0
[ 362.849969][ T508] page_table_check: ===> fmap check_zero 0
[ 362.855798][ T509] page_table_check: ===> fmap check_zero 0
[ 362.861974][ T508] page_table_check: ===> anon check_zero 0
[ 362.867839][ T507] page_table_check: ===> fmap check_zero 0
[ 362.873941][ T508] page_table_check: ===> fmap check_zero 0
[ 362.873974][ T508] page_table_check: ===> anon check_zero 0
[ 362.879897][ T1] page_table_check: ===> fmap check_zero 0
[ 362.885647][ T508] page_table_check: ===> fmap check_zero 0
[ 362.891568][ T509] page_table_check: ===> anon check_zero 0
[ 362.897508][ T508] page_table_check: ===> anon check_zero 0
[ 362.903417][ T1] page_table_check: ===> anon check_zero 0
[ 362.909588][ T507] page_table_check: ===> anon check_zero 0
[ 362.915670][ T509] page_table_check: ===> fmap check_zero 0
[ 362.922010][ T508] page_table_check: ===> fmap check_zero 0
[ 362.922268][ T507] page_table_check: ===> fmap check_zero 0
[ 362.928273][ T1] page_table_check: ===> fmap check_zero 0
[ 362.946173][ T507] page_table_check: ===> anon check_zero 0
[ 362.951968][ T509] page_table_check: ===> anon check_zero 0
[ 362.957659][ T507] page_table_check: ===> fmap check_zero 0
[ 362.963596][ T509] page_table_check: ===> fmap check_zero 0
[ 362.969542][ T507] page_table_check: ===> anon check_zero 0
[ 362.975535][ T1] page_table_check: ===> anon check_zero 0
[ 362.981655][ T507] page_table_check: ===> fmap check_zero 0
[ 362.981703][ T507] page_table_check: ===> anon check_zero 0
[ 362.987766][ T509] page_table_check: ===> anon check_zero 0
[ 362.993978][ T507] page_table_check: ===> fmap check_zero 0
[ 363.000193][ T509] page_table_check: ===> fmap check_zero 0
[ 363.006135][ T1] page_table_check: ===> fmap check_zero 0
[ 363.012006][ T509] page_table_check: ===> anon check_zero 0
[ 363.017866][ T507] page_table_check: ===> anon check_zero 0
[ 363.023838][ T509] page_table_check: ===> fmap check_zero 0
[ 363.029621][ T1] page_table_check: ===> anon check_zero 0
[ 363.035479][ T509] page_table_check: ===> anon check_zero 0
[ 363.041486][ T507] page_table_check: ===> fmap check_zero 0
[ 363.041576][ T507] page_table_check: ===> anon check_zero 0
[ 363.047346][ T509] page_table_check: ===> fmap check_zero 0
[ 363.053325][ T1] page_table_check: ===> fmap check_zero 0
[ 363.059270][ T509] page_table_check: ===> anon check_zero 0
[ 363.070877][ T507] page_table_check: ===> fmap check_zero 0
[ 363.071265][ T507] page_table_check: ===> anon check_zero 0
[ 363.076930][ T509] page_table_check: ===> fmap check_zero 0
[ 363.100683][ T507] page_table_check: ===> fmap check_zero 0
[ 363.100729][ T507] page_table_check: ===> anon check_zero 0
[ 363.106822][ T1] page_table_check: ===> anon check_zero 0
[ 363.112756][ T510] page_table_check: ===> anon check_zero 0
[ 363.118393][ T1] page_table_check: ===> fmap check_zero 0
[ 363.124401][ T507] page_table_check: ===> fmap check_zero 0
[ 363.130450][ T509] page_table_check: ===> anon check_zero 0
[ 363.136428][ T510] page_table_check: ===> fmap check_zero 0
[ 363.142284][ T1] page_table_check: ===> anon check_zero 0
[ 363.142295][ T1] page_table_check: ===> fmap check_zero 0
[ 363.148284][ T507] page_table_check: ===> anon check_zero 0
[ 363.154130][ T509] page_table_check: ===> fmap check_zero 0
[ 363.160012][ T510] page_table_check: ===> anon check_zero 0
[ 363.165742][ T1] page_table_check: ===> anon check_zero 0
[ 363.171650][ T507] page_table_check: ===> fmap check_zero 0
[ 363.177554][ T509] page_table_check: ===> anon check_zero 0
[ 363.183343][ T510] page_table_check: ===> fmap check_zero 0
[ 363.183392][ T510] page_table_check: ===> anon check_zero 0
[ 363.189568][ T1] page_table_check: ===> fmap check_zero 0
[ 363.195613][ T507] page_table_check: ===> anon check_zero 0
[ 363.201594][ T509] page_table_check: ===> fmap check_zero 0
[ 363.207478][ T510] page_table_check: ===> fmap check_zero 0
[ 363.213522][ T1] page_table_check: ===> anon check_zero 0
[ 363.231108][ T507] page_table_check: ===> fmap check_zero 0
[ 363.231194][ T507] page_table_check: ===> anon check_zero 0
[ 363.237079][ T509] page_table_check: ===> anon check_zero 0
[ 363.242929][ T510] page_table_check: ===> anon check_zero 0
[ 363.248848][ T509] page_table_check: ===> fmap check_zero 0
[ 363.254710][ T510] page_table_check: ===> fmap check_zero 0
[ 363.272200][ T1] page_table_check: ===> fmap check_zero 0
[ 363.273342][ T1] page_table_check: ===> anon check_zero 0
[ 363.278222][ T507] page_table_check: =
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=""
GOTOOLDIR="/usr/local/go/pkg/tool/linux_amd64"
GOVCS=""
GOVERSION="go1.20.1"
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 -fdebug-prefix-map=/tmp/go-build1863032191=/tmp/go-build -gno-record-gcc-switches"
git status (err=<nil>)
HEAD detached at 65faba364
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=65faba36470e75a1339e6f79c8631c9578786b7b -X 'github.com/google/syzkaller/prog.gitRevisionDate=20231002-164030'" "-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=65faba36470e75a1339e6f79c8631c9578786b7b -X 'github.com/google/syzkaller/prog.gitRevisionDate=20231002-164030'" "-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=65faba36470e75a1339e6f79c8631c9578786b7b -X 'github.com/google/syzkaller/prog.gitRevisionDate=20231002-164030'" "-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=\"65faba36470e75a1339e6f79c8631c9578786b7b\"
Error text is too large and was truncated, full error text is at:
https://syzkaller.appspot.com/x/error.txt?x=16dc951f680000
Tested on:
commit: 89cdf9d5 Merge tag 'net-6.7-rc1' of git://git.kernel.o..
git tree: https://kernel.googlesource.com/pub/scm/linux/kernel/git/torvalds/linux.git master
kernel config: https://syzkaller.appspot.com/x/.config?x=97c84b399d02b00b
dashboard link: https://syzkaller.appspot.com/bug?extid=7a9bbb158a7a1071eb27
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
patch: https://syzkaller.appspot.com/x/patch.diff?x=1313b4b7680000