* Re: [syzbot] [bridge?] [netfilter?] KASAN: vmalloc-out-of-bounds Read in __ebt_unregister_table
[not found] <20230220072531.2352-1-hdanton@sina.com>
@ 2023-02-20 7:40 ` syzbot
2023-02-20 7:51 ` Dmitry Vyukov
0 siblings, 1 reply; 6+ messages in thread
From: syzbot @ 2023-02-20 7:40 UTC (permalink / raw)
To: hdanton, linux-kernel, syzkaller-bugs
Hello,
syzbot tried to test the proposed patch but the build/boot failed:
BUG: program execution failed: executor NUM: exit status NUM
executing program
2023/02/20 07:39:21 SYZFATAL: BUG: program execution failed: executor 0: exit status 67
SYZFAIL: ebtable checkpoint: getsockopt(EBT_SO_GET_INIT_INFO) failed
table=broute (errno 22: Invalid argument)
loop exited with status 67
SYZFAIL: ebtable checkpoint: getsockopt(EBT_SO_GET_INIT_INFO) failed
table=broute (errno 22: Invalid argument)
loop exited with status 67
forked to background, child pid 4644
no interfaces have a carri[ 21.644085][ T4645] 8021q: adding VLAN 0 to HW filter on device bond0
er
[ 21.654665][ T4645] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK
syzkaller
Warning: Permanently added '10.128.1.147' (ECDSA) to the list of known hosts.
2023/02/20 07:39:16 fuzzer started
2023/02/20 07:39:16 connecting to host at 10.128.0.169:38103
2023/02/20 07:39:16 checking machine...
2023/02/20 07:39:16 checking revisions...
2023/02/20 07:39:16 testing simple program...
syzkaller login: [ 41.158159][ T5072] cgroup: Unknown subsys name 'net'
[ 41.280558][ T5072] cgroup: Unknown subsys name 'rlimit'
[ 41.458767][ T47] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[ 41.466801][ T47] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[ 41.474302][ T47] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[ 41.482242][ T47] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[ 41.489962][ T47] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3
[ 41.497314][ T47] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[ 41.575513][ T5074] chnl_net:caif_netlink_parms(): no params data found
[ 41.605498][ T5074] bridge0: port 1(bridge_slave_0) entered blocking state
[ 41.612704][ T5074] bridge0: port 1(bridge_slave_0) entered disabled state
[ 41.621073][ T5074] device bridge_slave_0 entered promiscuous mode
[ 41.629011][ T5074] bridge0: port 2(bridge_slave_1) entered blocking state
[ 41.636311][ T5074] bridge0: port 2(bridge_slave_1) entered disabled state
[ 41.644219][ T5074] device bridge_slave_1 entered promiscuous mode
[ 41.660216][ T5074] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 41.670509][ T5074] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 41.687969][ T5074] team0: Port device team_slave_0 added
[ 41.694592][ T5074] team0: Port device team_slave_1 added
[ 41.707841][ T5074] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 41.714774][ T5074] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem.
[ 41.740979][ T5074] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 41.753328][ T5074] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 41.760417][ T5074] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem.
[ 41.786578][ T5074] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 41.808751][ T5074] device hsr_slave_0 entered promiscuous mode
[ 41.815328][ T5074] device hsr_slave_1 entered promiscuous mode
[ 41.868811][ T5074] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 41.878202][ T5074] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 41.886794][ T5074] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 41.894950][ T5074] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 41.910541][ T5074] bridge0: port 2(bridge_slave_1) entered blocking state
[ 41.917682][ T5074] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 41.925140][ T5074] bridge0: port 1(bridge_slave_0) entered blocking state
[ 41.932231][ T5074] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 41.961982][ T5074] 8021q: adding VLAN 0 to HW filter on device bond0
[ 41.975137][ T5074] 8021q: adding VLAN 0 to HW filter on device team0
[ 41.982463][ T5085] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 41.991359][ T5085] bridge0: port 1(bridge_slave_0) entered disabled state
[ 41.999460][ T5085] bridge0: port 2(bridge_slave_1) entered disabled state
[ 42.007256][ T5085] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
[ 42.019018][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 42.027409][ T22] bridge0: port 1(bridge_slave_0) entered blocking state
[ 42.034725][ T22] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 42.057701][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 42.066041][ T22] bridge0: port 2(bridge_slave_1) entered blocking state
[ 42.073143][ T22] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 42.081105][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 42.089690][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 42.097954][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 42.105963][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 42.114939][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 42.124330][ T5074] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 42.210712][ T5074] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 42.218113][ T5085] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 42.225438][ T5085] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 42.239448][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 42.253747][ T5074] device veth0_vlan entered promiscuous mode
[ 42.260990][ T5086] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 42.269189][ T5086] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 42.277611][ T5086] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 42.287989][ T5074] device veth1_vlan entered promiscuous mode
[ 42.301815][ T5086] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[ 42.309984][ T5086] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[ 42.318401][ T5086] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 42.329281][ T5074] device veth0_macvtap entered promiscuous mode
[ 42.338518][ T5074] device veth1_macvtap entered promiscuous mode
[ 42.350723][ T5074] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 42.358825][ T5085] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 42.368262][ T5085] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[ 42.378872][ T5074] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 42.386287][ T5086] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 42.396632][ T5074] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 42.405419][ T5074] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 42.414360][ T5074] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 42.423211][ T5074] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 42.463113][ T55] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 42.471160][ T55] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 42.482258][ T5085] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 42.491386][ T55] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 42.499597][ T55] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 42.507812][ T5085] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
executing program
2023/02/20 07:39:21 SYZFATAL: BUG: program execution failed: executor 0: exit status 67
SYZFAIL: ebtable checkpoint: getsockopt(EBT_SO_GET_INIT_INFO) failed
table=broute (errno 22: Invalid argument)
loop exited with status 67
SYZFAIL: ebtable checkpoint: getsockopt(EBT_SO_GET_INIT_INFO) failed
table=broute (errno 22: Invalid argument)
loop exited with status 67
[ 46.245969][ T3557] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
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=""
GOTOOLDIR="/usr/local/go/pkg/tool/linux_amd64"
GOVCS=""
GOVERSION="go1.17"
GCCGO="gccgo"
AR="ar"
CC="gcc"
CXX="g++"
CGO_ENABLED="1"
GOMOD="/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/go.mod"
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-build2682014572=/tmp/go-build -gno-record-gcc-switches"
git status (err=<nil>)
HEAD detached at 851bc19a3
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=851bc19a3c4615f6653414b6deec9b9e84c8ca58 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20230216-173454'" "-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=851bc19a3c4615f6653414b6deec9b9e84c8ca58 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20230216-173454'" "-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=851bc19a3c4615f6653414b6deec9b9e84c8ca58 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20230216-173454'" "-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=\"851bc19a3c4615f6653414b6deec9b9e84c8ca58\"
Tested on:
commit: 3ac88fa4 Merge tag 'net-6.2-final' of git://git.kernel..
git tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel config: https://syzkaller.appspot.com/x/.config?x=fe56f7d193926860
dashboard link: https://syzkaller.appspot.com/bug?extid=f61594de72d6705aea03
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
patch: https://syzkaller.appspot.com/x/patch.diff?x=17c96c30c80000
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [syzbot] [bridge?] [netfilter?] KASAN: vmalloc-out-of-bounds Read in __ebt_unregister_table
2023-02-20 7:40 ` [syzbot] [bridge?] [netfilter?] KASAN: vmalloc-out-of-bounds Read in __ebt_unregister_table syzbot
@ 2023-02-20 7:51 ` Dmitry Vyukov
0 siblings, 0 replies; 6+ messages in thread
From: Dmitry Vyukov @ 2023-02-20 7:51 UTC (permalink / raw)
To: hdanton; +Cc: linux-kernel, syzkaller-bugs, syzbot
Hi Hillf,
I see that Florian also tested a fix for this:
https://syzkaller.appspot.com/bug?extid=f61594de72d6705aea03
It looks like Florian figured out something about this bug.
On Mon, 20 Feb 2023 at 08:40, syzbot
<syzbot+f61594de72d6705aea03@syzkaller.appspotmail.com> wrote:
>
> Hello,
>
> syzbot tried to test the proposed patch but the build/boot failed:
>
> BUG: program execution failed: executor NUM: exit status NUM
>
> executing program
> 2023/02/20 07:39:21 SYZFATAL: BUG: program execution failed: executor 0: exit status 67
> SYZFAIL: ebtable checkpoint: getsockopt(EBT_SO_GET_INIT_INFO) failed
> table=broute (errno 22: Invalid argument)
> loop exited with status 67
>
> SYZFAIL: ebtable checkpoint: getsockopt(EBT_SO_GET_INIT_INFO) failed
> table=broute (errno 22: Invalid argument)
> loop exited with status 67
>
>
> forked to background, child pid 4644
> no interfaces have a carri[ 21.644085][ T4645] 8021q: adding VLAN 0 to HW filter on device bond0
> er
> [ 21.654665][ T4645] eql: remember to turn off Van-Jacobson compression on your slave devices
> Starting sshd: OK
>
> syzkaller
> Warning: Permanently added '10.128.1.147' (ECDSA) to the list of known hosts.
> 2023/02/20 07:39:16 fuzzer started
> 2023/02/20 07:39:16 connecting to host at 10.128.0.169:38103
> 2023/02/20 07:39:16 checking machine...
> 2023/02/20 07:39:16 checking revisions...
> 2023/02/20 07:39:16 testing simple program...
> syzkaller login: [ 41.158159][ T5072] cgroup: Unknown subsys name 'net'
> [ 41.280558][ T5072] cgroup: Unknown subsys name 'rlimit'
> [ 41.458767][ T47] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
> [ 41.466801][ T47] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
> [ 41.474302][ T47] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
> [ 41.482242][ T47] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
> [ 41.489962][ T47] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3
> [ 41.497314][ T47] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
> [ 41.575513][ T5074] chnl_net:caif_netlink_parms(): no params data found
> [ 41.605498][ T5074] bridge0: port 1(bridge_slave_0) entered blocking state
> [ 41.612704][ T5074] bridge0: port 1(bridge_slave_0) entered disabled state
> [ 41.621073][ T5074] device bridge_slave_0 entered promiscuous mode
> [ 41.629011][ T5074] bridge0: port 2(bridge_slave_1) entered blocking state
> [ 41.636311][ T5074] bridge0: port 2(bridge_slave_1) entered disabled state
> [ 41.644219][ T5074] device bridge_slave_1 entered promiscuous mode
> [ 41.660216][ T5074] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
> [ 41.670509][ T5074] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
> [ 41.687969][ T5074] team0: Port device team_slave_0 added
> [ 41.694592][ T5074] team0: Port device team_slave_1 added
> [ 41.707841][ T5074] batman_adv: batadv0: Adding interface: batadv_slave_0
> [ 41.714774][ T5074] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem.
> [ 41.740979][ T5074] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
> [ 41.753328][ T5074] batman_adv: batadv0: Adding interface: batadv_slave_1
> [ 41.760417][ T5074] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem.
> [ 41.786578][ T5074] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
> [ 41.808751][ T5074] device hsr_slave_0 entered promiscuous mode
> [ 41.815328][ T5074] device hsr_slave_1 entered promiscuous mode
> [ 41.868811][ T5074] netdevsim netdevsim0 netdevsim0: renamed from eth0
> [ 41.878202][ T5074] netdevsim netdevsim0 netdevsim1: renamed from eth1
> [ 41.886794][ T5074] netdevsim netdevsim0 netdevsim2: renamed from eth2
> [ 41.894950][ T5074] netdevsim netdevsim0 netdevsim3: renamed from eth3
> [ 41.910541][ T5074] bridge0: port 2(bridge_slave_1) entered blocking state
> [ 41.917682][ T5074] bridge0: port 2(bridge_slave_1) entered forwarding state
> [ 41.925140][ T5074] bridge0: port 1(bridge_slave_0) entered blocking state
> [ 41.932231][ T5074] bridge0: port 1(bridge_slave_0) entered forwarding state
> [ 41.961982][ T5074] 8021q: adding VLAN 0 to HW filter on device bond0
> [ 41.975137][ T5074] 8021q: adding VLAN 0 to HW filter on device team0
> [ 41.982463][ T5085] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
> [ 41.991359][ T5085] bridge0: port 1(bridge_slave_0) entered disabled state
> [ 41.999460][ T5085] bridge0: port 2(bridge_slave_1) entered disabled state
> [ 42.007256][ T5085] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
> [ 42.019018][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
> [ 42.027409][ T22] bridge0: port 1(bridge_slave_0) entered blocking state
> [ 42.034725][ T22] bridge0: port 1(bridge_slave_0) entered forwarding state
> [ 42.057701][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
> [ 42.066041][ T22] bridge0: port 2(bridge_slave_1) entered blocking state
> [ 42.073143][ T22] bridge0: port 2(bridge_slave_1) entered forwarding state
> [ 42.081105][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
> [ 42.089690][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
> [ 42.097954][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
> [ 42.105963][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
> [ 42.114939][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
> [ 42.124330][ T5074] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
> [ 42.210712][ T5074] 8021q: adding VLAN 0 to HW filter on device batadv0
> [ 42.218113][ T5085] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
> [ 42.225438][ T5085] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
> [ 42.239448][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
> [ 42.253747][ T5074] device veth0_vlan entered promiscuous mode
> [ 42.260990][ T5086] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
> [ 42.269189][ T5086] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
> [ 42.277611][ T5086] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
> [ 42.287989][ T5074] device veth1_vlan entered promiscuous mode
> [ 42.301815][ T5086] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
> [ 42.309984][ T5086] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
> [ 42.318401][ T5086] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
> [ 42.329281][ T5074] device veth0_macvtap entered promiscuous mode
> [ 42.338518][ T5074] device veth1_macvtap entered promiscuous mode
> [ 42.350723][ T5074] batman_adv: batadv0: Interface activated: batadv_slave_0
> [ 42.358825][ T5085] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
> [ 42.368262][ T5085] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
> [ 42.378872][ T5074] batman_adv: batadv0: Interface activated: batadv_slave_1
> [ 42.386287][ T5086] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
> [ 42.396632][ T5074] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
> [ 42.405419][ T5074] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
> [ 42.414360][ T5074] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
> [ 42.423211][ T5074] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
> [ 42.463113][ T55] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
> [ 42.471160][ T55] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
> [ 42.482258][ T5085] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
> [ 42.491386][ T55] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
> [ 42.499597][ T55] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
> [ 42.507812][ T5085] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
> executing program
> 2023/02/20 07:39:21 SYZFATAL: BUG: program execution failed: executor 0: exit status 67
> SYZFAIL: ebtable checkpoint: getsockopt(EBT_SO_GET_INIT_INFO) failed
> table=broute (errno 22: Invalid argument)
> loop exited with status 67
>
> SYZFAIL: ebtable checkpoint: getsockopt(EBT_SO_GET_INIT_INFO) failed
> table=broute (errno 22: Invalid argument)
> loop exited with status 67
> [ 46.245969][ T3557] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
>
>
> 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=""
> GOTOOLDIR="/usr/local/go/pkg/tool/linux_amd64"
> GOVCS=""
> GOVERSION="go1.17"
> GCCGO="gccgo"
> AR="ar"
> CC="gcc"
> CXX="g++"
> CGO_ENABLED="1"
> GOMOD="/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/go.mod"
> 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-build2682014572=/tmp/go-build -gno-record-gcc-switches"
>
> git status (err=<nil>)
> HEAD detached at 851bc19a3
> 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=851bc19a3c4615f6653414b6deec9b9e84c8ca58 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20230216-173454'" "-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=851bc19a3c4615f6653414b6deec9b9e84c8ca58 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20230216-173454'" "-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=851bc19a3c4615f6653414b6deec9b9e84c8ca58 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20230216-173454'" "-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=\"851bc19a3c4615f6653414b6deec9b9e84c8ca58\"
>
>
>
> Tested on:
>
> commit: 3ac88fa4 Merge tag 'net-6.2-final' of git://git.kernel..
> git tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
> kernel config: https://syzkaller.appspot.com/x/.config?x=fe56f7d193926860
> dashboard link: https://syzkaller.appspot.com/bug?extid=f61594de72d6705aea03
> compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
> patch: https://syzkaller.appspot.com/x/patch.diff?x=17c96c30c80000
>
> --
> You received this message because you are subscribed to the Google Groups "syzkaller-bugs" group.
> To unsubscribe from this group and stop receiving emails from it, send an email to syzkaller-bugs+unsubscribe@googlegroups.com.
> To view this discussion on the web visit https://groups.google.com/d/msgid/syzkaller-bugs/00000000000074a5d005f51cc69c%40google.com.
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [syzbot] [bridge?] [netfilter?] KASAN: vmalloc-out-of-bounds Read in __ebt_unregister_table
[not found] <20230219114014.2224-1-hdanton@sina.com>
@ 2023-02-19 11:46 ` syzbot
0 siblings, 0 replies; 6+ messages in thread
From: syzbot @ 2023-02-19 11:46 UTC (permalink / raw)
To: hdanton, linux-kernel, syzkaller-bugs
Hello,
syzbot tried to test the proposed patch but the build/boot failed:
net/bridge/netfilter/ebtables.c:1215:28: error: passing argument 1 of 'ebt_verify_pointers' from incompatible pointer type [-Werror=incompatible-pointer-types]
Tested on:
commit: 3ac88fa4 Merge tag 'net-6.2-final' of git://git.kernel..
git tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
dashboard link: https://syzkaller.appspot.com/bug?extid=f61594de72d6705aea03
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
patch: https://syzkaller.appspot.com/x/patch.diff?x=170d73d7480000
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [syzbot] [bridge?] [netfilter?] KASAN: vmalloc-out-of-bounds Read in __ebt_unregister_table
[not found] <20230219071501.2166-1-hdanton@sina.com>
@ 2023-02-19 7:29 ` syzbot
0 siblings, 0 replies; 6+ messages in thread
From: syzbot @ 2023-02-19 7:29 UTC (permalink / raw)
To: hdanton, linux-kernel, syzkaller-bugs
Hello,
syzbot has tested the proposed patch but the reproducer is still triggering an issue:
KASAN: vmalloc-out-of-bounds Read in __ebt_unregister_table
==================================================================
BUG: KASAN: vmalloc-out-of-bounds in __ebt_unregister_table+0xc00/0xcd0 net/bridge/netfilter/ebtables.c:1175
Read of size 4 at addr ffffc90003755000 by task kworker/u4:2/41
CPU: 0 PID: 41 Comm: kworker/u4:2 Not tainted 6.2.0-rc8-syzkaller-00083-g3ac88fa4605e-dirty #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
Workqueue: netns cleanup_net
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xd1/0x138 lib/dump_stack.c:106
print_address_description mm/kasan/report.c:306 [inline]
print_report+0x15e/0x45d mm/kasan/report.c:417
kasan_report+0xbf/0x1f0 mm/kasan/report.c:517
__ebt_unregister_table+0xc00/0xcd0 net/bridge/netfilter/ebtables.c:1175
ebt_unregister_table+0x35/0x40 net/bridge/netfilter/ebtables.c:1383
ops_exit_list+0xb0/0x170 net/core/net_namespace.c:169
cleanup_net+0x4ee/0xb10 net/core/net_namespace.c:613
process_one_work+0x9bf/0x1710 kernel/workqueue.c:2289
worker_thread+0x669/0x1090 kernel/workqueue.c:2436
kthread+0x2e8/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
</TASK>
Memory state around the buggy address:
ffffc90003754f00: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
ffffc90003754f80: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
>ffffc90003755000: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
^
ffffc90003755080: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
ffffc90003755100: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
==================================================================
Tested on:
commit: 3ac88fa4 Merge tag 'net-6.2-final' of git://git.kernel..
git tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
console output: https://syzkaller.appspot.com/x/log.txt?x=15693b58c80000
kernel config: https://syzkaller.appspot.com/x/.config?x=fe56f7d193926860
dashboard link: https://syzkaller.appspot.com/bug?extid=f61594de72d6705aea03
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
patch: https://syzkaller.appspot.com/x/patch.diff?x=11afbd80c80000
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [syzbot] [bridge?] [netfilter?] KASAN: vmalloc-out-of-bounds Read in __ebt_unregister_table
[not found] <20230219024213.2103-1-hdanton@sina.com>
@ 2023-02-19 2:57 ` syzbot
0 siblings, 0 replies; 6+ messages in thread
From: syzbot @ 2023-02-19 2:57 UTC (permalink / raw)
To: hdanton, linux-kernel, syzkaller-bugs
Hello,
syzbot has tested the proposed patch but the reproducer is still triggering an issue:
KASAN: vmalloc-out-of-bounds Read in __ebt_unregister_table
==================================================================
BUG: KASAN: vmalloc-out-of-bounds in __ebt_unregister_table+0xf4a/0xfc0 net/bridge/netfilter/ebtables.c:1201
Read of size 4 at addr ffffc90002d9c000 by task kworker/u4:4/74
CPU: 1 PID: 74 Comm: kworker/u4:4 Not tainted 6.2.0-rc8-syzkaller-00083-g3ac88fa4605e-dirty #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
Workqueue: netns cleanup_net
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xd1/0x138 lib/dump_stack.c:106
print_address_description mm/kasan/report.c:306 [inline]
print_report+0x15e/0x45d mm/kasan/report.c:417
kasan_report+0xbf/0x1f0 mm/kasan/report.c:517
__ebt_unregister_table+0xf4a/0xfc0 net/bridge/netfilter/ebtables.c:1201
ebt_unregister_table+0x35/0x40 net/bridge/netfilter/ebtables.c:1405
ops_exit_list+0xb0/0x170 net/core/net_namespace.c:169
cleanup_net+0x4ee/0xb10 net/core/net_namespace.c:613
process_one_work+0x9bf/0x1710 kernel/workqueue.c:2289
worker_thread+0x669/0x1090 kernel/workqueue.c:2436
kthread+0x2e8/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
</TASK>
Memory state around the buggy address:
ffffc90002d9bf00: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
ffffc90002d9bf80: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
>ffffc90002d9c000: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
^
ffffc90002d9c080: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
ffffc90002d9c100: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
==================================================================
Tested on:
commit: 3ac88fa4 Merge tag 'net-6.2-final' of git://git.kernel..
git tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
console output: https://syzkaller.appspot.com/x/log.txt?x=17733430c80000
kernel config: https://syzkaller.appspot.com/x/.config?x=fe56f7d193926860
dashboard link: https://syzkaller.appspot.com/bug?extid=f61594de72d6705aea03
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
patch: https://syzkaller.appspot.com/x/patch.diff?x=161cf127480000
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [syzbot] [bridge?] [netfilter?] KASAN: vmalloc-out-of-bounds Read in __ebt_unregister_table
[not found] <20230218135137.2025-1-hdanton@sina.com>
@ 2023-02-18 14:06 ` syzbot
0 siblings, 0 replies; 6+ messages in thread
From: syzbot @ 2023-02-18 14:06 UTC (permalink / raw)
To: hdanton, linux-kernel, syzkaller-bugs
Hello,
syzbot has tested the proposed patch but the reproducer is still triggering an issue:
KASAN: vmalloc-out-of-bounds Read in __ebt_unregister_table
==================================================================
BUG: KASAN: vmalloc-out-of-bounds in __ebt_unregister_table+0xf43/0xfc0 net/bridge/netfilter/ebtables.c:1178
Read of size 4 at addr ffffc90003263000 by task kworker/u4:6/3167
CPU: 0 PID: 3167 Comm: kworker/u4:6 Not tainted 6.2.0-rc8-syzkaller-00083-g3ac88fa4605e-dirty #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
Workqueue: netns cleanup_net
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xd1/0x138 lib/dump_stack.c:106
print_address_description mm/kasan/report.c:306 [inline]
print_report+0x15e/0x45d mm/kasan/report.c:417
kasan_report+0xbf/0x1f0 mm/kasan/report.c:517
__ebt_unregister_table+0xf43/0xfc0 net/bridge/netfilter/ebtables.c:1178
ebt_unregister_table+0x35/0x40 net/bridge/netfilter/ebtables.c:1382
ops_exit_list+0xb0/0x170 net/core/net_namespace.c:169
cleanup_net+0x4ee/0xb10 net/core/net_namespace.c:613
process_one_work+0x9bf/0x1710 kernel/workqueue.c:2289
worker_thread+0x669/0x1090 kernel/workqueue.c:2436
kthread+0x2e8/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
</TASK>
Memory state around the buggy address:
ffffc90003262f00: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
ffffc90003262f80: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
>ffffc90003263000: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
^
ffffc90003263080: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
ffffc90003263100: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
==================================================================
Tested on:
commit: 3ac88fa4 Merge tag 'net-6.2-final' of git://git.kernel..
git tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
console output: https://syzkaller.appspot.com/x/log.txt?x=12fc4f6f480000
kernel config: https://syzkaller.appspot.com/x/.config?x=fe56f7d193926860
dashboard link: https://syzkaller.appspot.com/bug?extid=f61594de72d6705aea03
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
patch: https://syzkaller.appspot.com/x/patch.diff?x=173470f0c80000
^ permalink raw reply [flat|nested] 6+ messages in thread
end of thread, other threads:[~2023-02-20 7:51 UTC | newest]
Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
[not found] <20230220072531.2352-1-hdanton@sina.com>
2023-02-20 7:40 ` [syzbot] [bridge?] [netfilter?] KASAN: vmalloc-out-of-bounds Read in __ebt_unregister_table syzbot
2023-02-20 7:51 ` Dmitry Vyukov
[not found] <20230219114014.2224-1-hdanton@sina.com>
2023-02-19 11:46 ` syzbot
[not found] <20230219071501.2166-1-hdanton@sina.com>
2023-02-19 7:29 ` syzbot
[not found] <20230219024213.2103-1-hdanton@sina.com>
2023-02-19 2:57 ` syzbot
[not found] <20230218135137.2025-1-hdanton@sina.com>
2023-02-18 14:06 ` syzbot
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