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Message-ID: <000000000000722d26061fc7bbae@google.com>
Date: Fri, 16 Aug 2024 00:16:04 -0700
From: syzbot <syzbot+5bdd4953bc58c8fbd6eb@...kaller.appspotmail.com>
To: linux-kernel@...r.kernel.org, lizhi.xu@...driver.com,
syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [ocfs2?] kernel BUG in ocfs2_iget
Hello,
syzbot tried to test the proposed patch but the build/boot failed:
ver
[ 22.256176][ T1] gre: GRE over IPv4 demultiplexor driver
[ 22.259770][ T1] ip_gre: GRE over IPv4 tunneling driver
[ 22.287563][ T1] IPv4 over IPsec tunneling driver
[ 22.311919][ T1] Initializing XFRM netlink socket
[ 22.315482][ T1] IPsec XFRM device driver
[ 22.318978][ T1] NET: Registered PF_INET6 protocol family
[ 22.365642][ T1] Segment Routing with IPv6
[ 22.368543][ T1] RPL Segment Routing with IPv6
[ 22.381211][ T1] In-situ OAM (IOAM) with IPv6
[ 22.384937][ T1] mip6: Mobile IPv6
[ 22.402582][ T1] sit: IPv6, IPv4 and MPLS over IPv4 tunneling driver
[ 22.423906][ T1] ip6_gre: GRE over IPv6 tunneling driver
[ 22.441036][ T1] NET: Registered PF_PACKET protocol family
[ 22.444604][ T1] NET: Registered PF_KEY protocol family
[ 22.448675][ T1] Bridge firewalling registered
[ 22.472037][ T1] NET: Registered PF_X25 protocol family
[ 22.475775][ T1] X25: Linux Version 0.2
[ 22.491394][ T1] NET: Registered PF_NETROM protocol family
[ 22.499054][ T1] NET: Registered PF_ROSE protocol family
[ 22.511551][ T1] NET: Registered PF_AX25 protocol family
[ 22.516042][ T1] can: controller area network core
[ 22.519856][ T1] NET: Registered PF_CAN protocol family
[ 22.540813][ T1] can: raw protocol
[ 22.543257][ T1] can: broadcast manager protocol
[ 22.546276][ T1] can: netlink gateway - max_hops=1
[ 22.549709][ T1] can: SAE J1939
[ 22.560774][ T1] can: isotp protocol (max_pdu_size 8300)
[ 22.564738][ T1] Bluetooth: RFCOMM TTY layer initialized
[ 22.568297][ T1] Bluetooth: RFCOMM socket layer initialized
[ 22.580943][ T1] Bluetooth: RFCOMM ver 1.11
[ 22.583931][ T1] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[ 22.587734][ T1] Bluetooth: BNEP filters: protocol multicast
[ 22.600814][ T1] Bluetooth: BNEP socket layer initialized
[ 22.604465][ T1] Bluetooth: CMTP (CAPI Emulation) ver 1.0
[ 22.608137][ T1] Bluetooth: CMTP socket layer initialized
[ 22.620818][ T1] Bluetooth: HIDP (Human Interface Emulation) ver 1.2
[ 22.625493][ T1] Bluetooth: HIDP socket layer initialized
[ 22.642879][ T1] NET: Registered PF_RXRPC protocol family
[ 22.646673][ T1] Key type rxrpc registered
[ 22.649692][ T1] Key type rxrpc_s registered
[ 22.671739][ T1] NET: Registered PF_KCM protocol family
[ 22.676152][ T1] lec:lane_module_init: lec.c: initialized
[ 22.679516][ T1] mpoa:atm_mpoa_init: mpc.c: initialized
[ 22.691093][ T1] l2tp_core: L2TP core driver, V2.0
[ 22.694470][ T1] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[ 22.698571][ T1] l2tp_ip: L2TP IP encapsulation support (L2TPv3)
[ 22.721627][ T1] l2tp_netlink: L2TP netlink interface
[ 22.725854][ T1] l2tp_eth: L2TP ethernet pseudowire support (L2TPv3)
[ 22.729901][ T1] l2tp_ip6: L2TP IP encapsulation support for IPv6 (L2TPv3)
[ 22.741069][ T1] NET: Registered PF_PHONET protocol family
[ 22.744990][ T1] 8021q: 802.1Q VLAN Support v1.8
[ 22.766151][ T1] DCCP: Activated CCID 2 (TCP-like)
[ 22.769445][ T1] DCCP: Activated CCID 3 (TCP-Friendly Rate Control)
[ 22.791314][ T1] DCCP is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list
[ 22.798332][ T1] sctp: Hash tables configured (bind 32/56)
[ 22.812708][ T1] NET: Registered PF_RDS protocol family
[ 22.821126][ T1] Registered RDS/infiniband transport
[ 22.826052][ T1] Registered RDS/tcp transport
[ 22.828939][ T1] tipc: Activated (version 2.0.0)
[ 22.851699][ T1] NET: Registered PF_TIPC protocol family
[ 22.856538][ T1] tipc: Started in single node mode
[ 22.860624][ T1] NET: Registered PF_SMC protocol family
[ 22.871125][ T1] 9pnet: Installing 9P2000 support
[ 22.892730][ T1] NET: Registered PF_CAIF protocol family
[ 22.904135][ T1] NET: Registered PF_IEEE802154 protocol family
[ 22.907774][ T1] Key type dns_resolver registered
[ 22.921439][ T1] Key type ceph registered
[ 22.924461][ T1] libceph: loaded (mon/osd proto 15/24)
[ 22.941318][ T1] batman_adv: B.A.T.M.A.N. advanced 2024.2 (compatibility version 15) loaded
[ 22.946449][ T1] openvswitch: Open vSwitch switching datapath
[ 22.963290][ T1] NET: Registered PF_VSOCK protocol family
[ 22.966983][ T1] mpls_gso: MPLS GSO support
[ 22.998127][ T1] IPI shorthand broadcast: enabled
[ 23.010939][ T1] AES CTR mode by8 optimization enabled
[ 25.092738][ T1] sched_clock: Marking stable (24940064092, 150641100)->(25105710100, -15004908)
[ 25.112831][ T1] registered taskstats version 1
[ 25.138057][ T1] Loading compiled-in X.509 certificates
[ 25.155654][ T1] Loaded X.509 cert 'Build time autogenerated kernel key: 1982cdebc9b34f571b35a9e4997953b56129a245'
[ 25.634485][ T1] zswap: loaded using pool lzo/zsmalloc
[ 25.651413][ T1] Demotion targets for Node 0: null
[ 25.654756][ T1] Demotion targets for Node 1: null
[ 25.658058][ T1] debug_vm_pgtable: [debug_vm_pgtable ]: Validating architecture page table helpers
[ 25.684439][ T1] Key type .fscrypt registered
[ 25.687420][ T1] Key type fscrypt-provisioning registered
[ 25.707223][ T1] kAFS: Red Hat AFS client v0.1 registering.
[ 25.760940][ T1] Btrfs loaded, assert=on, ref-verify=on, zoned=yes, fsverity=yes
[ 25.767099][ T1] Key type big_key registered
[ 25.787630][ T1] Key type encrypted registered
[ 25.791182][ T1] AppArmor: AppArmor sha256 policy hashing enabled
[ 25.795538][ T1] ima: No TPM chip found, activating TPM-bypass!
[ 25.799672][ T1] Loading compiled-in module X.509 certificates
[ 25.823648][ T1] Loaded X.509 cert 'Build time autogenerated kernel key: 1982cdebc9b34f571b35a9e4997953b56129a245'
[ 25.830457][ T1] ima: Allocated hash algorithm: sha256
[ 25.851170][ T1] ima: No architecture policies found
[ 25.855225][ T1] evm: Initialising EVM extended attributes:
[ 25.858950][ T1] evm: security.selinux (disabled)
[ 25.870767][ T1] evm: security.SMACK64 (disabled)
[ 25.874149][ T1] evm: security.SMACK64EXEC (disabled)
[ 25.877263][ T1] evm: security.SMACK64TRANSMUTE (disabled)
[ 25.891255][ T1] evm: security.SMACK64MMAP (disabled)
[ 25.900835][ T1] evm: security.apparmor
[ 25.903422][ T1] evm: security.ima
[ 25.905764][ T1] evm: security.capability
[ 25.908451][ T1] evm: HMAC attrs: 0x1
[ 25.923759][ T1] PM: Magic number: 4:468:66
[ 25.926702][ T1] misc vhci: hash matches
[ 25.940746][ T1] printk: legacy console [netcon0] enabled
[ 25.944537][ T1] netconsole: network logging started
[ 25.948522][ T1] gtp: GTP module loaded (pdp ctx size 128 bytes)
[ 25.975449][ T1] rdma_rxe: loaded
[ 25.978564][ T1] cfg80211: Loading compiled-in X.509 certificates for regulatory database
[ 25.992849][ T1] Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7'
[ 25.997648][ T1] Loaded X.509 cert 'wens: 61c038651aabdcf94bd0ac7ff06c7248db18c600'
[ 26.021491][ T1] clk: Disabling unused clocks
[ 26.024720][ T1] ALSA device list:
[ 26.027272][ T1] #0: Dummy 1
[ 26.029691][ T1] #1: Loopback 1
[ 26.034074][ T8] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2
[ 26.039920][ T8] platform regulatory.0: Falling back to sysfs fallback for: regulatory.db
[ 26.060993][ T1] #2: Virtual MIDI Card 1
[ 26.069802][ T1] md: Waiting for all devices to be available before autodetect
[ 26.080824][ T1] md: If you don't use raid, use raid=noautodetect
[ 26.083787][ T1] md: Autodetecting RAID arrays.
[ 26.086140][ T1] md: autorun ...
[ 26.087847][ T1] md: ... autorun DONE.
[ 26.106628][ T1] REISERFS warning (device sda1): sh-2006 read_super_block: bread failed (dev sda1, block 2, size 4096)
[ 26.121102][ T1] REISERFS warning (device sda1): sh-2006 read_super_block: bread failed (dev sda1, block 16, size 4096)
[ 26.137346][ T1] EXT4-fs (sda1): unable to read superblock
[ 26.151559][ T1] VFS: Cannot open root device "/dev/sda1" or unknown-block(8,1): error -5
[ 26.154695][ T1] Please append a correct "root=" boot option; here are the available partitions:
[ 26.157973][ T1] 0100 4096 ram0
[ 26.157993][ T1] (driver?)
[ 26.170884][ T1] 0101 4096 ram1
[ 26.170903][ T1] (driver?)
[ 26.173970][ T1] 0102 4096 ram2
[ 26.173984][ T1] (driver?)
[ 26.177024][ T1] 0103 4096 ram3
[ 26.177036][ T1] (driver?)
[ 26.179966][ T1] 0104 4096 ram4
[ 26.179977][ T1] (driver?)
[ 26.190784][ T1] 0105 4096 ram5
[ 26.190799][ T1] (driver?)
[ 26.193830][ T1] 0106 4096 ram6
[ 26.193842][ T1] (driver?)
[ 26.196508][ T1] 0107 4096 ram7
[ 26.196521][ T1] (driver?)
[ 26.199540][ T1] 0108 4096 ram8
[ 26.199552][ T1] (driver?)
[ 26.220772][ T1] 0109 4096 ram9
[ 26.220793][ T1] (driver?)
[ 26.223952][ T1] 010a 4096 ram10
[ 26.223968][ T1] (driver?)
[ 26.227033][ T1] 010b 4096 ram11
[ 26.227047][ T1] (driver?)
[ 26.230122][ T1] 010c 4096 ram12
[ 26.230135][ T1] (driver?)
[ 26.240772][ T1] 010d 4096 ram13
[ 26.240790][ T1] (driver?)
[ 26.243796][ T1] 010e 4096 ram14
[ 26.243810][ T1] (driver?)
[ 26.246862][ T1] 010f 4096 ram15
[ 26.246877][ T1] (driver?)
[ 26.249691][ T1] fa00 262144000 nullb0
[ 26.249703][ T1] (driver?)
[ 26.270789][ T1] 103:00000 65536 pmem0
[ 26.270811][ T1] driver: nd_pmem
[ 26.273992][ T1] 1f00 128 mtdblock0
[ 26.274006][ T1] (driver?)
[ 26.277085][ T1] 0800 1048729 sda
[ 26.277099][ T1] driver: sd
[ 26.280053][ T1] 0801 1048576 sda1 00000000-01
[ 26.280067][ T1]
[ 26.290853][ T1] 0b00 64 sr0
[ 26.290869][ T1] driver: sr
[ 26.294114][ T1] List of all bdev filesystems:
[ 26.296096][ T1] reiserfs
[ 26.296106][ T1] ext3
[ 26.297360][ T1] ext2
[ 26.298565][ T1] ext4
[ 26.299810][ T1] cramfs
[ 26.312965][ T1] squashfs
[ 26.314221][ T1] minix
[ 26.315444][ T1] vfat
[ 26.316555][ T1] msdos
[ 26.317631][ T1] exfat
[ 26.318658][ T1] bfs
[ 26.319813][ T1] iso9660
[ 26.330812][ T1] hfsplus
[ 26.332042][ T1] hfs
[ 26.333198][ T1] vxfs
[ 26.334241][ T1] sysv
[ 26.335241][ T1] v7
[ 26.336320][ T1] hpfs
[ 26.337367][ T1] ntfs3
[ 26.338398][ T1] ufs
[ 26.339540][ T1] efs
[ 26.340648][ T1] affs
[ 26.350766][ T1] romfs
[ 26.351895][ T1] qnx4
[ 26.353012][ T1] qnx6
[ 26.354113][ T1] adfs
[ 26.355194][ T1] fuseblk
[ 26.356334][ T1] udf
[ 26.357517][ T1] omfs
[ 26.358547][ T1] jfs
[ 26.359625][ T1] xfs
[ 26.370782][ T1] nilfs2
[ 26.371842][ T1] befs
[ 26.372831][ T1] ocfs2
[ 26.373926][ T1] gfs2
[ 26.375065][ T1] gfs2meta
[ 26.376173][ T1] f2fs
[ 26.377413][ T1] bcachefs
[ 26.378499][ T1] erofs
[ 26.379765][ T1] zonefs
[ 26.392475][ T1] btrfs
[ 26.393658][ T1]
[ 26.395611][ T1] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(8,1)
[ 26.398884][ T1] CPU: 0 UID: 0 PID: 1 Comm: swapper/0 Not tainted 6.11.0-rc3-syzkaller-00060-gd07b43284ab3-dirty #0
[ 26.402615][ T1] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[ 26.406329][ T1] Call Trace:
[ 26.407589][ T1] <TASK>
[ 26.408656][ T1] dump_stack_lvl+0x241/0x360
[ 26.410564][ T1] ? __pfx_dump_stack_lvl+0x10/0x10
[ 26.412592][ T1] ? vsnprintf+0x184/0x1da0
[ 26.414233][ T1] ? __pfx__printk+0x10/0x10
[ 26.415947][ T1] ? vscnprintf+0x5d/0x90
[ 26.417369][ T1] panic+0x349/0x860
[ 26.418703][ T1] ? __wake_up_klogd+0xcc/0x110
[ 26.420305][ T1] ? __pfx_panic+0x10/0x10
[ 26.421739][ T1] ? __wake_up_klogd+0xcc/0x110
[ 26.423408][ T1] ? do_mount_root+0xfd/0x260
[ 26.424981][ T1] mount_root_generic+0x3c3/0x3e0
[ 26.426675][ T1] ? __pfx_mount_root_generic+0x10/0x10
[ 26.428510][ T1] prepare_namespace+0xc2/0x100
[ 26.430198][ T1] kernel_init_freeable+0x476/0x5d0
[ 26.432199][ T1] ? __pfx_kernel_init_freeable+0x10/0x10
[ 26.434463][ T1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 26.436908][ T1] ? __pfx_kernel_init+0x10/0x10
[ 26.438695][ T1] ? __pfx_kernel_init+0x10/0x10
[ 26.440416][ T1] ? __pfx_kernel_init+0x10/0x10
[ 26.442094][ T1] kernel_init+0x1d/0x2b0
[ 26.443618][ T1] ret_from_fork+0x4b/0x80
[ 26.445243][ T1] ? __pfx_kernel_init+0x10/0x10
[ 26.447182][ T1] ret_from_fork_asm+0x1a/0x30
[ 26.448992][ T1] </TASK>
[ 26.450290][ T1] Kernel Offset: disabled
[ 26.451937][ 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/linux/gopath/pkg/mod'
GONOPROXY=''
GONOSUMDB=''
GOOS='linux'
GOPATH='/syzkaller/jobs/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/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-build223168768=/tmp/go-build -gno-record-gcc-switches'
git status (err=<nil>)
HEAD detached at e4bacdaf3
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
go fmt ./sys/... >/dev/null
touch .descriptions
GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/prog.GitRevision=e4bacdaf3417006ad6aa0d911a44b49bb25a6e1a -X 'github.com/google/syzkaller/prog.gitRevisionDate=20240814-175600'" "-tags=syz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-execprog github.com/google/syzkaller/tools/syz-execprog
mkdir -p ./bin/linux_amd64
g++ -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 -std=c++17 -I. -Iexecutor/_include -fpermissive -w -DGOOS_linux=1 -DGOARCH_amd64=1 \
-DHOSTGOOS_linux=1 -DGIT_REVISION=\"e4bacdaf3417006ad6aa0d911a44b49bb25a6e1a\"
/usr/bin/ld: /tmp/ccI66zQZ.o: in function `test_cover_filter()':
executor.cc:(.text+0x13e0b): warning: the use of `tempnam' is dangerous, better use `mkstemp'
/usr/bin/ld: /tmp/ccI66zQZ.o: in function `Connection::Connect(char const*, char const*)':
executor.cc:(.text._ZN10Connection7ConnectEPKcS1_[_ZN10Connection7ConnectEPKcS1_]+0x104): warning: Using 'gethostbyname' in statically linked applications requires at runtime the shared libraries from the glibc version used for linking
Error text is too large and was truncated, full error text is at:
https://syzkaller.appspot.com/x/error.txt?x=15243fd3980000
Tested on:
commit: d07b4328 Merge tag 'for-linus' of git://git.kernel.org..
git tree: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel config: https://syzkaller.appspot.com/x/.config?x=7229118d88b4a71b
dashboard link: https://syzkaller.appspot.com/bug?extid=5bdd4953bc58c8fbd6eb
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
patch: https://syzkaller.appspot.com/x/patch.diff?x=176a0cfd980000
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