From: syzbot <syzbot+bca9799bf129256190da@syzkaller.appspotmail.com>
To: adilger.kernel@dilger.ca, akpm@linux-foundation.org,
dan.j.williams@intel.com, jack@suse.cz,
linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-mm@kvack.org, syzkaller-bugs@googlegroups.com,
tytso@mit.edu
Subject: Re: BUG: unable to handle kernel NULL pointer dereference in generic_perform_write (2)
Date: Wed, 10 Jun 2020 14:16:04 -0700 [thread overview]
Message-ID: <0000000000000839a705a7c15aa5@google.com> (raw)
In-Reply-To: <20200610211019.GJ1347934@mit.edu>
Hello,
syzbot tried to test the proposed patch but build/boot failed:
syzkaller build failed: failed to run ["make" "target"]: exit status 2
GOOS=linux GOARCH=amd64 go install ./syz-fuzzer
# github.com/google/syzkaller/sys/netbsd/gen
sys/netbsd/gen/amd64.go:41:58: undefined: Field
sys/netbsd/gen/amd64.go:44:10: undefined: Ref
sys/netbsd/gen/amd64.go:45:59: undefined: Ref
sys/netbsd/gen/amd64.go:46:70: undefined: Field
sys/netbsd/gen/amd64.go:49:66: undefined: Field
sys/netbsd/gen/amd64.go:54:60: undefined: Field
sys/netbsd/gen/amd64.go:58:66: undefined: Field
sys/netbsd/gen/amd64.go:62:68: undefined: Field
sys/netbsd/gen/amd64.go:68:62: undefined: Field
sys/netbsd/gen/amd64.go:72:59: undefined: Ref
sys/netbsd/gen/amd64.go:72:59: too many errors
# github.com/google/syzkaller/sys/akaros/gen
sys/akaros/gen/amd64.go:23:63: undefined: Field
sys/akaros/gen/amd64.go:26:69: undefined: Field
sys/akaros/gen/amd64.go:29:56: undefined: Field
sys/akaros/gen/amd64.go:34:52: undefined: Field
sys/akaros/gen/amd64.go:39:67: undefined: Field
sys/akaros/gen/amd64.go:43:54: undefined: Field
sys/akaros/gen/amd64.go:48:54: undefined: Field
sys/akaros/gen/amd64.go:51:64: undefined: Field
sys/akaros/gen/amd64.go:56:51: undefined: Field
sys/akaros/gen/amd64.go:62:56: undefined: Field
sys/akaros/gen/amd64.go:62:56: too many errors
# github.com/google/syzkaller/sys/openbsd/gen
sys/openbsd/gen/amd64.go:49:55: undefined: Field
sys/openbsd/gen/amd64.go:53:10: undefined: Ref
sys/openbsd/gen/amd64.go:54:60: undefined: Field
sys/openbsd/gen/amd64.go:58:10: undefined: Ref
sys/openbsd/gen/amd64.go:59:61: undefined: Field
sys/openbsd/gen/amd64.go:63:10: undefined: Ref
sys/openbsd/gen/amd64.go:64:60: undefined: Field
sys/openbsd/gen/amd64.go:68:10: undefined: Ref
sys/openbsd/gen/amd64.go:69:51: undefined: Field
sys/openbsd/gen/amd64.go:72:52: undefined: Field
sys/openbsd/gen/amd64.go:72:52: too many errors
# github.com/google/syzkaller/sys/test/gen
sys/test/gen/32_fork_shmem.go:29:55: unknown field 'Attrs' in struct literal of type prog.Syscall
sys/test/gen/32_fork_shmem.go:30:45: unknown field 'Attrs' in struct literal of type prog.Syscall
sys/test/gen/32_fork_shmem.go:31:50: undefined: Ref
sys/test/gen/32_fork_shmem.go:31:60: unknown field 'Attrs' in struct literal of type prog.Syscall
sys/test/gen/32_fork_shmem.go:32:53: undefined: Field
sys/test/gen/32_fork_shmem.go:34:5: unknown field 'Attrs' in struct literal of type prog.Syscall
sys/test/gen/32_fork_shmem.go:35:66: undefined: Ref
sys/test/gen/32_fork_shmem.go:36:53: undefined: Field
sys/test/gen/32_fork_shmem.go:39:62: undefined: Field
sys/test/gen/32_fork_shmem.go:42:48: undefined: Field
sys/test/gen/32_fork_shmem.go:42:48: too many errors
# github.com/google/syzkaller/sys/freebsd/gen
sys/freebsd/gen/386.go:49:76: undefined: Field
sys/freebsd/gen/386.go:54:60: undefined: Field
sys/freebsd/gen/386.go:58:68: undefined: Field
sys/freebsd/gen/386.go:65:67: undefined: Field
sys/freebsd/gen/386.go:71:68: undefined: Field
sys/freebsd/gen/386.go:77:67: undefined: Field
sys/freebsd/gen/386.go:83:67: undefined: Field
sys/freebsd/gen/386.go:89:68: undefined: Field
sys/freebsd/gen/386.go:95:69: undefined: Field
sys/freebsd/gen/386.go:101:85: undefined: Field
sys/freebsd/gen/386.go:101:85: too many errors
# github.com/google/syzkaller/sys/windows/gen
sys/windows/gen/amd64.go:23:51: undefined: Field
sys/windows/gen/amd64.go:26:53: undefined: Field
sys/windows/gen/amd64.go:29:59: undefined: Field
sys/windows/gen/amd64.go:32:75: undefined: Field
sys/windows/gen/amd64.go:35:51: undefined: Field
sys/windows/gen/amd64.go:45:57: undefined: Field
sys/windows/gen/amd64.go:55:85: undefined: Field
sys/windows/gen/amd64.go:66:69: undefined: Field
sys/windows/gen/amd64.go:77:97: undefined: Field
sys/windows/gen/amd64.go:88:89: undefined: Field
sys/windows/gen/amd64.go:88:89: too many errors
# github.com/google/syzkaller/sys/fuchsia/gen
sys/fuchsia/gen/amd64.go:96:45: undefined: Field
sys/fuchsia/gen/amd64.go:99:45: undefined: Field
sys/fuchsia/gen/amd64.go:103:45: undefined: Field
sys/fuchsia/gen/amd64.go:108:45: undefined: Field
sys/fuchsia/gen/amd64.go:111:45: undefined: Field
sys/fuchsia/gen/amd64.go:114:10: undefined: Ref
sys/fuchsia/gen/amd64.go:115:41: undefined: Field
sys/fuchsia/gen/amd64.go:117:10: undefined: Ref
sys/fuchsia/gen/amd64.go:118:43: undefined: Field
sys/fuchsia/gen/amd64.go:121:10: undefined: Ref
sys/fuchsia/gen/amd64.go:121:10: too many errors
# github.com/google/syzkaller/sys/linux/gen
sys/linux/gen/386.go:296:58: undefined: Field
sys/linux/gen/386.go:301:10: undefined: Ref
sys/linux/gen/386.go:302:62: undefined: Field
sys/linux/gen/386.go:307:10: undefined: Ref
sys/linux/gen/386.go:308:63: undefined: Field
sys/linux/gen/386.go:313:10: undefined: Ref
sys/linux/gen/386.go:314:67: undefined: Field
sys/linux/gen/386.go:319:10: undefined: Ref
sys/linux/gen/386.go:320:63: undefined: Field
sys/linux/gen/386.go:325:10: undefined: Ref
sys/linux/gen/386.go:325:10: too many errors
Makefile:113: recipe for target 'target' failed
make: *** [target] Error 2
go env (err=<nil>)
GO111MODULE=""
GOARCH="amd64"
GOBIN=""
GOCACHE="/syzkaller/.cache/go-build"
GOENV="/syzkaller/.config/go/env"
GOEXE=""
GOFLAGS=""
GOHOSTARCH="amd64"
GOHOSTOS="linux"
GONOPROXY=""
GONOSUMDB=""
GOOS="linux"
GOPATH="/syzkaller/jobs/linux/gopath"
GOPRIVATE=""
GOPROXY="https://proxy.golang.org,direct"
GOROOT="/syzkaller/go"
GOSUMDB="sum.golang.org"
GOTMPDIR=""
GOTOOLDIR="/syzkaller/go/pkg/tool/linux_amd64"
GCCGO="gccgo"
AR="ar"
CC="gcc"
CXX="g++"
CGO_ENABLED="1"
GOMOD=""
CGO_CFLAGS="-g -O2"
CGO_CPPFLAGS=""
CGO_CXXFLAGS="-g -O2"
CGO_FFLAGS="-g -O2"
CGO_LDFLAGS="-g -O2"
PKG_CONFIG="pkg-config"
GOGCCFLAGS="-fPIC -m64 -pthread -fmessage-length=0 -fdebug-prefix-map=/tmp/go-build521465815=/tmp/go-build -gno-record-gcc-switches"
git status (err=<nil>)
HEAD detached at a8c6a3f8
Changes not staged for commit:
(use "git add <file>..." to update what will be committed)
(use "git restore <file>..." to discard changes in working directory)
modified: sys/akaros/gen/amd64.go
modified: sys/freebsd/gen/386.go
modified: sys/freebsd/gen/amd64.go
modified: sys/fuchsia/gen/amd64.go
modified: sys/fuchsia/gen/arm64.go
modified: sys/linux/gen/386.go
modified: sys/linux/gen/amd64.go
modified: sys/linux/gen/arm.go
modified: sys/linux/gen/arm64.go
modified: sys/linux/gen/mips64le.go
modified: sys/linux/gen/ppc64le.go
modified: sys/netbsd/gen/amd64.go
modified: sys/openbsd/gen/amd64.go
modified: sys/test/gen/32_fork_shmem.go
modified: sys/test/gen/32_shmem.go
modified: sys/test/gen/64.go
modified: sys/test/gen/64_fork.go
modified: sys/trusty/gen/arm.go
modified: sys/windows/gen/amd64.go
Untracked files:
(use "git add <file>..." to include in what will be committed)
.descriptions
no changes added to commit (use "git add" and/or "git commit -a")
Tested on:
commit: [unknown
git tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 5b8b9d0c6d0e0f1993c6c56deaf9646942c49d94
dashboard link: https://syzkaller.appspot.com/bug?extid=bca9799bf129256190da
compiler: gcc (GCC) 9.0.0 20181231 (experimental)
next prev parent reply other threads:[~2020-06-10 21:16 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-14 6:11 BUG: unable to handle kernel NULL pointer dereference in generic_perform_write (2) syzbot
2020-04-15 4:35 ` Theodore Y. Ts'o
2020-04-15 4:55 ` syzbot
2020-06-10 21:10 ` Theodore Y. Ts'o
2020-06-10 21:16 ` syzbot [this message]
2020-06-10 21:41 ` Theodore Y. Ts'o
2020-06-10 21:56 ` syzbot
2020-06-10 22:07 ` Theodore Y. Ts'o
2020-06-11 0:25 ` syzbot
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=0000000000000839a705a7c15aa5@google.com \
--to=syzbot+bca9799bf129256190da@syzkaller.appspotmail.com \
--cc=adilger.kernel@dilger.ca \
--cc=akpm@linux-foundation.org \
--cc=dan.j.williams@intel.com \
--cc=jack@suse.cz \
--cc=linux-ext4@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=syzkaller-bugs@googlegroups.com \
--cc=tytso@mit.edu \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.