Re: [syzbot] [wireless?] WARNING in ieee80211_encrypt_tx_skb

[syzbot <syzbot+b6ce23950fd636e6efb6@syzkaller.appspotmail.com>]

Hello,

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

lost connection to test machine



syzkaller login: qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000)
[   92.033680][ T1241] cfg80211: failed to load regulatory.db
Warning: Permanently added '[localhost]:5965' (ED25519) to the list of known hosts.
2026/07/13 01:14:26 parsed 1 programs
2026/07/13 01:14:26 serving rpc on tcp://42597
[   99.461167][ T5293] cgroup: Unknown subsys name 'net'
[   99.517346][ T5293] cgroup: Unknown subsys name 'cpuset'
[   99.528587][ T5293] cgroup: Unknown subsys name 'rlimit'
[  143.216901][ T1333] ieee802154 phy0 wpan0: encryption failed: -22
[  143.220290][ T1333] ieee802154 phy1 wpan1: encryption failed: -22
[  153.472734][ T1031] ata1.00: exception Emask 0x0 SAct 0x800 SErr 0x0 action 0x6 frozen
[  153.477165][ T1031] ata1.00: failed command: WRITE FPDMA QUEUED
[  153.480740][ T1031] ata1.00: cmd 61/00:58:36:c1:04/20:00:00:00:00/40 tag 11 ncq dma 4194304 ou
[  153.480740][ T1031]          res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
[  153.488811][ T1031] ata1.00: status: { DRDY }
[  153.491820][ T1031] ata1: hard resetting link
[  153.815566][ T1031] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
[  153.821835][ T1031] ata1.00: configured for UDMA/100
[  153.824800][ T1031] ata1: EH complete
qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000)
[  153.854356][    C0] ata1: illegal qc_active transition (00000000->00000001)
[  153.858579][ T1031] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1
[  153.872882][ T1031] ata1: failed to read log page 10h (errno=-5)
[  153.879378][ T1031] ata1.00: NCQ disabled due to excessive errors
[  153.884704][ T1031] ata1.00: exception Emask 0x1 SAct 0x1c000000 SErr 0x0 action 0x6 frozen
[  153.892610][ T1031] ata1.00: irq_stat 0x41000000
[  153.895439][ T1031] ata1.00: failed command: WRITE FPDMA QUEUED
[  153.902808][ T1031] ata1.00: cmd 61/00:d0:36:c1:04/20:00:00:00:00/40 tag 26 ncq dma 4194304 ou
[  153.902808][ T1031]          res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error)
[  153.917658][ T1031] ata1.00: status: { DRDY }
[  153.923618][ T1031] ata1.00: failed command: WRITE FPDMA QUEUED
[  153.928214][ T1031] ata1.00: cmd 61/00:d8:36:01:05/20:00:00:00:00/40 tag 27 ncq dma 4194304 ou
[  153.928214][ T1031]          res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error)
[  153.937314][ T1031] ata1.00: status: { DRDY }
[  153.939431][ T1031] ata1.00: failed command: WRITE FPDMA QUEUED
[  153.942950][ T1031] ata1.00: cmd 61/00:e0:36:21:05/20:00:00:00:00/40 tag 28 ncq dma 4194304 ou
[  153.942950][ T1031]          res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error)
[  153.951088][ T1031] ata1.00: status: { DRDY }
[  153.953334][ T1031] ata1: hard resetting link
[  154.274367][ T1031] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
[  154.278715][ T1031] ata1.00: configured for UDMA/100
[  154.604423][ T1031] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
[  154.609763][ T1031] ata1.00: configured for UDMA/100
[  154.612860][ T1031] ata1: EH complete
qemu-system-x86_64: hw/ide/core.c:934: ide_dma_cb: Assertion `prep_size >= 0 && prep_size <= n * 512' failed.
Connection to localhost closed by remote host.


syzkaller build log:
go env (err=<nil>)
AR='ar'
CC='gcc'
CGO_CFLAGS='-O2 -g'
CGO_CPPFLAGS=''
CGO_CXXFLAGS='-O2 -g'
CGO_ENABLED='1'
CGO_FFLAGS='-O2 -g'
CGO_LDFLAGS='-O2 -g'
CXX='g++'
GCCGO='gccgo'
GO111MODULE='auto'
GOAMD64='v1'
GOARCH='amd64'
GOAUTH='netrc'
GOBIN=''
GOCACHE='/syzkaller/.cache/go-build'
GOCACHEPROG=''
GODEBUG=''
GOENV='/syzkaller/.config/go/env'
GOEXE=''
GOEXPERIMENT=''
GOFIPS140='off'
GOFLAGS=''
GOGCCFLAGS='-fPIC -m64 -pthread -Wl,--no-gc-sections -fmessage-length=0 -ffile-prefix-map=/tmp/go-build1621918705=/tmp/go-build -gno-record-gcc-switches'
GOHOSTARCH='amd64'
GOHOSTOS='linux'
GOINSECURE=''
GOMOD='/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/go.mod'
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'
GOTELEMETRY='local'
GOTELEMETRYDIR='/syzkaller/.config/go/telemetry'
GOTMPDIR=''
GOTOOLCHAIN='auto'
GOTOOLDIR='/usr/local/go/pkg/tool/linux_amd64'
GOVCS=''
GOVERSION='go1.26.0'
GOWORK=''
PKG_CONFIG='pkg-config'

git status (err=<nil>)
HEAD detached at d78ea535f4
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: downloading golang.org/x/sys v0.46.0
go list -f '{{.Stale}}' -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=d78ea535f456172a095a6d211ee0a2de1d049968 -X github.com/google/syzkaller/prog.gitRevisionDate=20260710-134808"  ./sys/syz-sysgen | grep -q false || go install -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=d78ea535f456172a095a6d211ee0a2de1d049968 -X github.com/google/syzkaller/prog.gitRevisionDate=20260710-134808"  ./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
touch .descriptions
GOOS=linux GOARCH=amd64 go build -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=d78ea535f456172a095a6d211ee0a2de1d049968 -X github.com/google/syzkaller/prog.gitRevisionDate=20260710-134808"  -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   -DGOOS_linux=1 -DGOARCH_amd64=1 \
	-DHOSTGOOS_linux=1 -DGIT_REVISION=\"d78ea535f456172a095a6d211ee0a2de1d049968\"
go: downloading golang.org/x/sync v0.21.0
go: downloading google.golang.org/api v0.287.0
go: downloading google.golang.org/grpc v1.82.0
go: downloading google.golang.org/genproto/googleapis/rpc v0.0.0-20260622175928-b703f567277d
go: downloading golang.org/x/net v0.56.0
go: downloading golang.org/x/text v0.38.0
go: downloading github.com/googleapis/enterprise-certificate-proxy v0.3.17
go: downloading golang.org/x/crypto v0.53.0
/usr/bin/ld: /tmp/cc2Lmulv.o: in function `Connection::Connect(char const*, char const*)':
executor.cc:(.text._ZN10Connection7ConnectEPKcS1_[_ZN10Connection7ConnectEPKcS1_]+0x386): warning: Using 'gethostbyname' in statically linked applications requires at runtime the shared libraries from the glibc version used for linking
./tools/check-syzos.sh 2>/dev/null



Tested on:

commit:         a13c140c Linux 7.2-rc3
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=20c9876b0f77b546
dashboard link: https://syzkaller.appspot.com/bug?extid=b6ce23950fd636e6efb6
compiler:       Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
patch:          https://syzkaller.appspot.com/x/patch.diff?x=17853432580000