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 (0x381000)
[   92.055873][    T9] cfg80211: failed to load regulatory.db
Warning: Permanently added '[localhost]:40504' (ED25519) to the list of known hosts.
2026/07/13 01:45:12 parsed 1 programs
2026/07/13 01:45:12 serving rpc on tcp://45575
[   99.651084][ T5291] cgroup: Unknown subsys name 'net'
[   99.712866][ T5291] cgroup: Unknown subsys name 'cpuset'
[   99.719485][ T5291] cgroup: Unknown subsys name 'rlimit'
[  138.121120][ T1332] ieee802154 phy0 wpan0: encryption failed: -22
[  138.124012][ T1332] ieee802154 phy1 wpan1: encryption failed: -22
[  151.575957][ T1028] ata1.00: exception Emask 0x0 SAct 0x800 SErr 0x0 action 0x6 frozen
[  151.579679][ T1028] ata1.00: failed command: WRITE FPDMA QUEUED
[  151.582950][ T1028] ata1.00: cmd 61/08:58:36:81:04/1c:00:00:00:00/40 tag 11 ncq dma 3674112 ou
[  151.582950][ T1028]          res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
[  151.591914][ T1028] ata1.00: status: { DRDY }
[  151.593862][ T1028] ata1: hard resetting link
[  151.917540][ T1028] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
[  151.922216][ T1028] ata1.00: configured for UDMA/100
[  151.925108][ T1028] ata1: EH complete
qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x381000)
[  151.946582][ T1028] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1
[  151.949304][ T1028] ata1: failed to read log page 10h (errno=-5)
[  151.952641][ T1028] ata1.00: NCQ disabled due to excessive errors
[  151.956695][ T1028] ata1.00: exception Emask 0x1 SAct 0x40000000 SErr 0x0 action 0x0
[  151.959877][ T1028] ata1.00: irq_stat 0x41000008
[  151.961995][ T1028] ata1.00: failed command: WRITE FPDMA QUEUED
[  151.964665][ T1028] ata1.00: cmd 61/08:f0:36:81:04/1c:00:00:00:00/40 tag 30 ncq dma 3674112 ou
[  151.964665][ T1028]          res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error)
[  151.973268][ T1028] ata1.00: status: { DRDY }
[  151.975443][ T1028] ata1.00: error: { ABRT }
[  151.979006][ T1028] ata1.00: configured for UDMA/100
[  151.981695][ T1028] 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-build3505292822=/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 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\"
/usr/bin/ld: /tmp/cc6wBj4p.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=15e8db89580000