linux-kernel - Re: [syzbot] [usb?] WARNING in usbnet_start_xmit/usb_submit

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Message-ID: <67b4b895.050a0220.6ca4a.0001.GAE@google.com>
Date: Tue, 18 Feb 2025 08:43:01 -0800
From: syzbot <syzbot+d693c07c6f647e0388d3@...kaller.appspotmail.com>
To: linux-kernel@...r.kernel.org, n.zhandarovich@...tech.ru, 
	syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [usb?] WARNING in usbnet_start_xmit/usb_submit_urb (2)

Hello,

syzbot tried to test the proposed patch but the build/boot failed:

 0000000000000000
ZMM26=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM27=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM28=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM29=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM30=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM31=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
info registers vcpu 2

CPU#2
RAX=000000000003b7ed RBX=0000000000000002 RCX=ffffffff8b4e4469 RDX=0000000000000000
RSI=ffffffff8b6ceca0 RDI=ffffffff8bd26900 RBP=ffffed1003a5f000 RSP=ffffc90000197e08
R8 =0000000000000001 R9 =ffffed100d506f85 R10=ffff88806a837c2b R11=0000000000000000
R12=0000000000000002 R13=ffff88801d2f8000 R14=ffffffff90614b10 R15=0000000000000000
RIP=ffffffff8b4e584f RFL=00000206 [-----P-] CPL=0 II=0 A20=1 SMM=0 HLT=1
ES =0000 0000000000000000 ffffffff 00c00000
CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA]
SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS   [-WA]
DS =0000 0000000000000000 ffffffff 00c00000
FS =0000 0000000000000000 ffffffff 00c00000
GS =0000 ffff88806a800000 ffffffff 00c00000
LDT=0000 0000000000000000 ffffffff 00c00000
TR =0040 fffffe0000091000 00004087 00008b00 DPL=0 TSS64-busy
GDT=     fffffe000008f000 0000007f
IDT=     fffffe0000000000 00000fff
CR0=80050033 CR2=000000c001ff3000 CR3=0000000028542000 CR4=00352ef0
DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 
DR6=00000000fffe0ff0 DR7=0000000000000400
EFER=0000000000000d01
FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80
FPR0=0000000000000000 0000 FPR1=0000000000000000 0000
FPR2=0000000000000000 0000 FPR3=0000000000000000 0000
FPR4=0000000000000000 0000 FPR5=0000000000000000 0000
FPR6=0000000000000000 0000 FPR7=0000000000000000 0000
Opmask00=00000000feffffd0 Opmask01=0000000000000000 Opmask02=00000000ffbfef77 Opmask03=0000000000000000
Opmask04=00000000ffffffff Opmask05=00000000004007ff Opmask06=0000000007ffe7ff Opmask07=0000000000000000
ZMM00=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM01=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007ffcc54fe900 0000003000000010
ZMM02=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 2f2f2f2f2f2f2f2f 2f2f2f2f2f2f2f2f
ZMM03=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ff00000000000000 0000000000000000
ZMM04=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ffff000000000000 0000000000000000
ZMM05=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ffff000000000000 ffff000000000000
ZMM06=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ffff000000000000 0000000000000000
ZMM07=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM08=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM09=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM10=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM11=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM12=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM13=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM14=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM15=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM16=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM17=0000000000000000 0000000000000000 0000000000000000 0000000000000000 656e696c5f706c63 73002a5d392d305b 79747400786d7470 0079747400646461
ZMM18=0000000000000000 0000000000000000 0000000000000000 0000000000000000 54003d534b4e494c 564544003d4d4554 535953425553003d 4854415056454400
ZMM19=0000000000000000 0000000000000000 0000000000000000 0000000000000000 540018534b4e494c 56454400184d4554 5359534255530018 4854415056454400
ZMM20=0000000000000000 0000000000000000 0000000000000000 0000000000000000 00000000000002b1 0000000000306963 682f68746f6f7465 756c622f6c617574
ZMM21=0000000000000000 0000000000000000 0000000000000000 0000000000000000 00005612a682e3d0 00005612a6800860 0000000000000031 0000000000007374
ZMM22=0000000000000000 0000000000000000 0000000000000000 0000000000000000 382433273f397b27 697a787c69303b7e 69305f474f5b647c 6930382433273f39
ZMM23=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM24=0000000000000000 0000000000000000 0000000000000000 0000000000000000 383a3a263d383a3a 263c383a3a263f38 3a3a263e383a3a26 39383a3a2638383a
ZMM25=0000000000000000 0000000000000000 0000000000000000 0000000000000000 373031383d4d0031 3d4553003053303d 4c494b4145005f4b 00383432383d4855
ZMM26=0000000000000000 0000000000000000 0000000000000000 0000000000000000 302c302c30300030 2c303000302c3030 2c302c303000302c 00302c3000313200
ZMM27=0000000000000000 0000000000000000 0000000000000000 0000000000000000 282b2e2fdf37342d 280bbfbf23243324 26312033fc040f18 1317140d080b0412
ZMM28=0000000000000000 0000000000000000 0000000000000000 0000000000000000 343133bffc121104 1214041204110814 100411bffc040f18 1317140d080b0412
ZMM29=0000000000000000 0000000000000000 0000000000000000 0000000000000000 4141414141414141 4141414141414141 4141414141414141 4141414141414141
ZMM30=0000000000000000 0000000000000000 0000000000000000 0000000000000000 1a1a1a1a1a1a1a1a 1a1a1a1a1a1a1a1a 1a1a1a1a1a1a1a1a 1a1a1a1a1a1a1a1a
ZMM31=0000000000000000 0000000000000000 0000000000000000 0000000000000000 2020202020202020 2020202020202020 2020202020202020 2020202020202020
info registers vcpu 3

CPU#3
RAX=00000000000354f1 RBX=0000000000000003 RCX=ffffffff8b4e4469 RDX=0000000000000000
RSI=ffffffff8b6ceca0 RDI=ffffffff8bd26900 RBP=ffffed1003a5f488 RSP=ffffc900001a7e08
R8 =0000000000000001 R9 =ffffed100d526f85 R10=ffff88806a937c2b R11=0000000000000000
R12=0000000000000003 R13=ffff88801d2fa440 R14=ffffffff90614b10 R15=0000000000000000
RIP=ffffffff8b4e584f RFL=00000202 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=1
ES =0000 0000000000000000 ffffffff 00c00000
CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA]
SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS   [-WA]
DS =0000 0000000000000000 ffffffff 00c00000
FS =0000 0000000000000000 ffffffff 00c00000
GS =0000 ffff88806a900000 ffffffff 00c00000
LDT=0000 0000000000000000 ffffffff 00c00000
TR =0040 fffffe00000d8000 00004087 00008b00 DPL=0 TSS64-busy
GDT=     fffffe00000d6000 0000007f
IDT=     fffffe0000000000 00000fff
CR0=80050033 CR2=00007ffcc54fcc38 CR3=0000000031e64000 CR4=00352ef0
DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 
DR6=00000000fffe0ff0 DR7=0000000000000400
EFER=0000000000000d01
FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80
FPR0=0000000000000000 0000 FPR1=0000000000000000 0000
FPR2=0000000000000000 0000 FPR3=0000000000000000 0000
FPR4=0000000000000000 0000 FPR5=0000000000000000 0000
FPR6=0000000000000000 0000 FPR7=0000000000000000 0000
Opmask00=0000000000004080 Opmask01=0000000000000000 Opmask02=00000000ffbfef77 Opmask03=0000000000000000
Opmask04=00000000ffffffff Opmask05=00000000004007ff Opmask06=0000000007ffe7ff Opmask07=0000000000000000
ZMM00=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 e84fcfa9c78ccedc f9358e8b8d1e6507
ZMM01=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 61fe0d8ee1aa91c6 0a53a729ace036b9
ZMM02=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 1c4fc8d55995bb04 a4ae025458899da4
ZMM03=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 f6ca87b37ba1d987 c0ea7406efc60b73
ZMM04=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000001940
ZMM05=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000040
ZMM06=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 000000000000001f 0000000000000000
ZMM07=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 8ed23ca400000000 000000000000001f
ZMM08=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 000000008f569510 0000001f00000000
ZMM09=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 8fb4a5e600000000 0000000000000000
ZMM10=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 d84c7dc136d97cbf 004b5ba7b9882b91
ZMM11=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 716f48661497e322 0996f7d142db9648
ZMM12=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM13=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM14=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 a54ff53a3c6ef372 bb67ae856a09e667
ZMM15=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 5be0cd191f83d9ab 9b05688c510e527f
ZMM16=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM17=0000000000000000 0000000000000000 0000000000000000 0000000000000000 656e696c5f706c63 73002a5d392d305b 79747400786d7470 0079747400646461
ZMM18=0000000000000000 0000000000000000 0000000000000000 0000000000000000 54003d534b4e494c 564544003d4d4554 535953425553003d 4854415056454400
ZMM19=0000000000000000 0000000000000000 0000000000000000 0000000000000000 540018534b4e494c 56454400184d4554 5359534255530018 4854415056454400
ZMM20=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000356c6c 696b66722f306963 682f68746f6f7465 756c622f6c617574
ZMM21=0000000000000000 0000000000000000 0000000000000000 0000000000000000 00005612a682e3d0 00005612a6800860 0000000000000031 0000000000007374
ZMM22=0000000000000000 0000000000000000 0000000000000000 0000000000000000 382433273f397b27 697a787c69303b7e 69305f474f5b647c 6930382433273f39
ZMM23=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM24=0000000000000000 0000000000000000 0000000000000000 0000000000000000 383a3a263d383a3a 263c383a3a263f38 3a3a263e383a3a26 39383a3a2638383a
ZMM25=0000000000000000 0000000000000000 0000000000000000 0000000000000000 373031383d4d0031 3d4553003053303d 4c494b4145005f4b 00383432383d4855
ZMM26=0000000000000000 0000000000000000 0000000000000000 0000000000000000 302c302c30300030 2c303000302c3030 2c302c303000302c 00302c3000313200
ZMM27=0000000000000000 0000000000000000 0000000000000000 0000000000000000 282b2e2fdf37342d 280bbfbf23243324 26312033fc040f18 1317140d080b0412
ZMM28=0000000000000000 0000000000000000 0000000000000000 0000000000000000 343133bffc121104 1214041204110814 100411bffc040f18 1317140d080b0412
ZMM29=0000000000000000 0000000000000000 0000000000000000 0000000000000000 4141414141414141 4141414141414141 4141414141414141 4141414141414141
ZMM30=0000000000000000 0000000000000000 0000000000000000 0000000000000000 1a1a1a1a1a1a1a1a 1a1a1a1a1a1a1a1a 1a1a1a1a1a1a1a1a 1a1a1a1a1a1a1a1a
ZMM31=0000000000000000 0000000000000000 0000000000000000 0000000000000000 2020202020202020 2020202020202020 2020202020202020 2020202020202020


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='go1.22.7'
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-build823339970=/tmp/go-build -gno-record-gcc-switches'

git status (err=<nil>)
HEAD detached at 68da6d951a
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=68da6d951a345757b69b764ceb8dda1e9d65b038 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20241122-101921'" "-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=\"68da6d951a345757b69b764ceb8dda1e9d65b038\"
/usr/bin/ld: /tmp/ccwqmbyQ.o: in function `test_cover_filter()':
executor.cc:(.text+0x142db): warning: the use of `tempnam' is dangerous, better use `mkstemp'
/usr/bin/ld: /tmp/ccwqmbyQ.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=112877df980000


Tested on:

commit:         2408a807 Merge tag 'vfs-6.14-rc4.fixes' of git://git.k..
git tree:       https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
kernel config:  https://syzkaller.appspot.com/x/.config?x=702f2e48d262560e
dashboard link: https://syzkaller.appspot.com/bug?extid=d693c07c6f647e0388d3
compiler:       gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
patch:          https://syzkaller.appspot.com/x/patch.diff?x=168a03a4580000