From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-ot1-f69.google.com (mail-ot1-f69.google.com [209.85.210.69]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 597501FF5E3 for ; Thu, 7 May 2026 01:57:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.69 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778119024; cv=none; b=q0jDByw/u0EqcaAmDgmLU8f2c6gbh+pXD5OVsE5hDqmk+wrG2d9BaYBzJPIGwo7O5n5sH6T64TGs2lz7vNF9+ejbfBwGOKWR7SM8Uz84qZ8qlbAhUIJfF/EJYz2GTmakoS0R7Cya9dvFFrtL+/829JyLVrlBJYeSnF/KY1RSeS4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778119024; c=relaxed/simple; bh=ZX7wlLb2si6Nt3CIKhyWYHTqUeKtF/h5IA5RYEfXhUA=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=LrxftsFrUa5L4Di4XX2vjEtwVKAx8vGNSjMv1z99aynU/n1KLoNNUqf2pJ/5O1kBdWITwsOYty4s8Cib59ZLaSWYB+IUtip9CF4GuOT6vkyrJU2Jqq1QLmWcaOyCrqmDzfNJ+jhe3QwmeUgQgqgc/e9iLWsi9i/cGgh+hkrHeco= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.210.69 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-ot1-f69.google.com with SMTP id 46e09a7af769-7dcdcacd141so567100a34.2 for ; Wed, 06 May 2026 18:57:03 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1778119022; x=1778723822; h=content-transfer-encoding:to:from:subject:message-id:in-reply-to :date:mime-version:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=oEJ2kgdk/Cqs/P3JB/eTTDGSAruSLBE3XIMC1QJnkSY=; b=gaL8yz9jP23hnbmJzQyIbLy1xlenTMXnVoRZ6ZOpsoXHKr3L2Bnp0YpA4BFEo+O0KV QBrlP5EPV2ZhzE+5D4vyxt3I11BsG27MdrC9S73NoSV7xFisAxtTr26AY01Cl1IL3jaO X52SvJYbHkBJj6iZFz5M1XhhSe1H6iOMzcytROGhJJ12hqDQ/Vd17vGXYx0/ylJu5Mk9 jDzvs7FtvpewRIlNhUIhe5S3CODtX1mcaJux5LE1AJ5t5TT8CQREtMyyclkqU3U6T91i qAbsgg7sq+5g4o/i8O856Gb6n99UfIy7MUhHmUSxeq8UOofWxXGUC8IBfdEBGpZizKQV h8UQ== X-Forwarded-Encrypted: i=1; AFNElJ8HtsRDJYMGqDoak7tW18ovgD+T2l89oPr0YWbHXC8lXdMnlmnmB0qyo3wBBwqnBpOojxksoBXl35V3jtM=@vger.kernel.org X-Gm-Message-State: AOJu0YxzR8FCPkQNju72BdPE5e/2SC2Z6V8vkc54yC+wqB/zg8/AuqLZ +tDf3v2fv1lH3FyU45WEeFVdBw/Hdw5ECSwDWcBGpwLSKhl6lq006ce7ur+xeOU6vLPoO8z/s+S yu9Ew2X/GehgH2PbaKOp4pWSaDSL9JDc16nWvmiu8XTD5osHEUNFvjuJztbk= Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6820:809:b0:696:8240:be35 with SMTP id 006d021491bc7-69998d18ce8mr3195403eaf.31.1778119022326; Wed, 06 May 2026 18:57:02 -0700 (PDT) Date: Wed, 06 May 2026 18:57:02 -0700 In-Reply-To: <20260507013021.391-1-hdanton@sina.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <69fbf16e.170a0220.2b035b.0236.GAE@google.com> Subject: Re: [syzbot] [rdma] general protection fault in kernel_sock_shutdown (4) From: syzbot To: hdanton@sina.com, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable 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 (0x1cc000) Warning: Permanently added '[localhost]:12337' (ED25519) to the list of kno= wn hosts. [ 97.096781][ T10] cfg80211: failed to load regulatory.db [ 152.152171][ T1025] ata1.00: exception Emask 0x0 SAct 0x800 SErr 0x0 act= ion 0x6 frozen [ 152.155707][ T1025] ata1.00: failed command: WRITE FPDMA QUEUED [ 152.158413][ T1025] ata1.00: cmd 61/60:58:36:81:04/0e:00:00:00:00/40 tag= 11 ncq dma 1884160 ou [ 152.158413][ T1025] res 40/00:00:00:00:00/00:00:00:00:00/00 Ema= sk 0x4 (timeout) [ 152.167703][ T1025] ata1.00: status: { DRDY } [ 152.169908][ T1025] ata1: hard resetting link [ 152.494622][ T1025] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 30= 0) [ 152.499274][ T1025] ata1.00: configured for UDMA/100 [ 152.502602][ T1025] ata1: EH complete qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than= the requested size (0xc2000) [ 152.536671][ T1025] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 152.539788][ T1025] ata1: failed to read log page 10h (errno=3D-5) [ 152.543143][ T1025] ata1.00: NCQ disabled due to excessive errors [ 152.546416][ T1025] ata1.00: exception Emask 0x1 SAct 0xfc00 SErr 0x0 ac= tion 0x0 [ 152.549623][ T1025] ata1.00: irq_stat 0x41000000 [ 152.552697][ T1025] ata1.00: failed command: WRITE FPDMA QUEUED [ 152.555276][ T1025] ata1.00: cmd 61/10:50:36:01:05/0c:00:00:00:00/40 tag= 10 ncq dma 1581056 ou [ 152.555276][ T1025] res 50/00:00:00:00:00/00:00:00:00:00/00 Ema= sk 0x1 (device error) [ 152.564262][ T1025] ata1.00: status: { DRDY } [ 152.567499][ T1025] ata1.00: failed command: WRITE FPDMA QUEUED [ 152.570300][ T1025] ata1.00: cmd 61/b0:58:46:0d:05/03:00:00:00:00/40 tag= 11 ncq dma 483328 out [ 152.570300][ T1025] res 50/00:00:00:00:00/00:00:00:00:00/00 Ema= sk 0x1 (device error) [ 152.578750][ T1025] ata1.00: status: { DRDY } [ 152.580940][ T1025] ata1.00: failed command: WRITE FPDMA QUEUED [ 152.584242][ T1025] ata1.00: cmd 61/c8:60:f6:10:05/05:00:00:00:00/40 tag= 12 ncq dma 757760 out [ 152.584242][ T1025] res 50/00:00:00:00:00/00:00:00:00:00/00 Ema= sk 0x1 (device error) [ 152.591624][ T1025] ata1.00: status: { DRDY } [ 152.594145][ T1025] ata1.00: failed command: WRITE FPDMA QUEUED [ 152.597218][ T1025] ata1.00: cmd 61/f0:68:be:16:05/02:00:00:00:00/40 tag= 13 ncq dma 385024 out [ 152.597218][ T1025] res 50/00:00:00:00:00/00:00:00:00:00/00 Ema= sk 0x1 (device error) [ 152.605201][ T1025] ata1.00: status: { DRDY } [ 152.607461][ T1025] ata1.00: failed command: WRITE FPDMA QUEUED [ 152.610119][ T1025] ata1.00: cmd 61/10:70:ae:19:05/06:00:00:00:00/40 tag= 14 ncq dma 794624 out [ 152.610119][ T1025] res 50/00:00:00:00:00/00:00:00:00:00/00 Ema= sk 0x1 (device error) [ 152.617854][ T1025] ata1.00: status: { DRDY } [ 152.620399][ T1025] ata1.00: failed command: WRITE FPDMA QUEUED [ 152.623555][ T1025] ata1.00: cmd 61/f8:78:be:1f:05/02:00:00:00:00/40 tag= 15 ncq dma 389120 out [ 152.623555][ T1025] res 50/00:00:00:00:00/00:00:00:00:00/00 Ema= sk 0x1 (device error) [ 152.632127][ T1025] ata1.00: status: { DRDY } [ 152.635455][ T1025] ata1.00: configured for UDMA/100 [ 152.638343][ T1025] ata1: EH complete qemu-system-x86_64: hw/ide/core.c:934: ide_dma_cb: Assertion `prep_size >= =3D 0 && prep_size <=3D n * 512' failed. Connection to localhost closed by remote host. syzkaller build log: go env (err=3D) AR=3D'ar' CC=3D'gcc' CGO_CFLAGS=3D'-O2 -g' CGO_CPPFLAGS=3D'' CGO_CXXFLAGS=3D'-O2 -g' CGO_ENABLED=3D'1' CGO_FFLAGS=3D'-O2 -g' CGO_LDFLAGS=3D'-O2 -g' CXX=3D'g++' GCCGO=3D'gccgo' GO111MODULE=3D'auto' GOAMD64=3D'v1' GOARCH=3D'amd64' GOAUTH=3D'netrc' GOBIN=3D'' GOCACHE=3D'/syzkaller/.cache/go-build' GOCACHEPROG=3D'' GODEBUG=3D'' GOENV=3D'/syzkaller/.config/go/env' GOEXE=3D'' GOEXPERIMENT=3D'' GOFIPS140=3D'off' GOFLAGS=3D'' GOGCCFLAGS=3D'-fPIC -m64 -pthread -Wl,--no-gc-sections -fmessage-length=3D0= -ffile-prefix-map=3D/tmp/go-build2539546880=3D/tmp/go-build -gno-record-gc= c-switches' GOHOSTARCH=3D'amd64' GOHOSTOS=3D'linux' GOINSECURE=3D'' GOMOD=3D'/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/go.mo= d' GOMODCACHE=3D'/syzkaller/jobs/linux/gopath/pkg/mod' GONOPROXY=3D'' GONOSUMDB=3D'' GOOS=3D'linux' GOPATH=3D'/syzkaller/jobs/linux/gopath' GOPRIVATE=3D'' GOPROXY=3D'https://proxy.golang.org,direct' GOROOT=3D'/usr/local/go' GOSUMDB=3D'sum.golang.org' GOTELEMETRY=3D'local' GOTELEMETRYDIR=3D'/syzkaller/.config/go/telemetry' GOTMPDIR=3D'' GOTOOLCHAIN=3D'auto' GOTOOLDIR=3D'/usr/local/go/pkg/tool/linux_amd64' GOVCS=3D'' GOVERSION=3D'go1.26.0' GOWORK=3D'' PKG_CONFIG=3D'pkg-config' git status (err=3D) HEAD detached at 23ad3581d162 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/contribut= ing.md#using-syz-env go list -f '{{.Stale}}' -ldflags=3D"-s -w -X github.com/google/syzkaller/pr= og.GitRevision=3D23ad3581d162728720256cdd0a99f8702ec9c4c5 -X github.com/goo= gle/syzkaller/prog.gitRevisionDate=3D20260506-081407" ./sys/syz-sysgen | g= rep -q false || go install -ldflags=3D"-s -w -X github.com/google/syzkaller= /prog.GitRevision=3D23ad3581d162728720256cdd0a99f8702ec9c4c5 -X github.com/= google/syzkaller/prog.gitRevisionDate=3D20260506-081407" ./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/contribut= ing.md#using-syz-env bin/syz-sysgen touch .descriptions GOOS=3Dlinux GOARCH=3Damd64 go build -ldflags=3D"-s -w -X github.com/google= /syzkaller/prog.GitRevision=3D23ad3581d162728720256cdd0a99f8702ec9c4c5 -X g= ithub.com/google/syzkaller/prog.gitRevisionDate=3D20260506-081407" -o ./bi= n/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 -Wfr= ame-larger-than=3D16384 -Wno-stringop-overflow -Wno-array-bounds -Wno-forma= t-overflow -Wno-unused-but-set-variable -Wno-unused-command-line-argument -= static-pie -std=3Dc++17 -I. -Iexecutor/_include -DGOOS_linux=3D1 -DGOARCH= _amd64=3D1 \ -DHOSTGOOS_linux=3D1 -DGIT_REVISION=3D\"23ad3581d162728720256cdd0a99f8702e= c9c4c5\" go: downloading golang.org/x/sync v0.20.0 go: downloading go.opentelemetry.io/otel/sdk v1.43.0 go: downloading google.golang.org/grpc v1.80.0 go: downloading go.opentelemetry.io/otel v1.43.0 go: downloading go.opentelemetry.io/otel/trace v1.43.0 go: downloading google.golang.org/genproto/googleapis/api v0.0.0-2026040102= 4825-9d38bb4040a9 go: downloading golang.org/x/net v0.52.0 go: downloading google.golang.org/genproto/googleapis/rpc v0.0.0-2026040102= 4825-9d38bb4040a9 go: downloading github.com/ianlancetaylor/demangle v0.0.0-20260505044615-1f= f4bf46051f go: downloading go.opentelemetry.io/otel/sdk/metric v1.43.0 go: downloading go.opentelemetry.io/otel/metric v1.43.0 go: downloading golang.org/x/crypto v0.49.0 go: downloading golang.org/x/text v0.35.0 go: downloading github.com/go-jose/go-jose/v4 v4.1.4 /usr/bin/ld: /tmp/ccMZeaB8.o: in function `Connection::Connect(char const*,= char const*)': executor.cc:(.text._ZN10Connection7ConnectEPKcS1_[_ZN10Connection7ConnectEP= KcS1_]+0x386): warning: Using 'gethostbyname' in statically linked applicat= ions requires at runtime the shared libraries from the glibc version used f= or linking ./tools/check-syzos.sh 2>/dev/null Tested on: commit: 5862221f Merge tag 'parisc-for-7.1-rc3' of git://git.k.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=3D7f195f6be48c12e= c dashboard link: https://syzkaller.appspot.com/bug?extid=3Dd8f76778263ab65c2= b21 compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-= 1~exp1~20251221153213.50), Debian LLD 21.1.8 patch: https://syzkaller.appspot.com/x/patch.diff?x=3D1583eece5800= 00