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AJvYcCUsQ76NusgKqR2os9UFRMZRIvRzBjRjf8uJ82IGBfdluG5pgeKyIBJM1cBNDEeFyXAOKKGCR41hj7bCwNcfil4V6rw7W3n2GzG9NhE1 X-Gm-Message-State: AOJu0Yzpnz/dnUjRy5lR7BKWF4TMj+1JBJvwVQUY22I3XX+5ZZDBTymJ 2nBXh3GPDY/a3ZfZy2lnYE2uqRFqE7Pdg5pjDFIHe1gg4qBVxF5CrZ7lWg5YABsASmzD+VgXiXM jKDuAKc8J7cZQEpp1/gnn5PMd3mlrAUZryIwwxcKYzzrRpzHvI4yGxao= X-Google-Smtp-Source: AGHT+IH31x3vtCIizKBqg37Yv7ZZR+n6p2ls0u43h/d/plQuzChRNhwmHyehnlxzHwpgoxRr9VAh1wCMgQX7P4AAuhz+ztYYYOYi Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1a21:b0:396:dc3a:72f2 with SMTP id e9e14a558f8ab-396dc3a7867mr2359375ab.3.1721389442658; Fri, 19 Jul 2024 04:44:02 -0700 (PDT) Date: Fri, 19 Jul 2024 04:44:02 -0700 In-Reply-To: <20240719110705.1508-1-hdanton@sina.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000004003fe061d98360f@google.com> Subject: Re: [syzbot] [mm?] BUG: Bad page map (8) 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: e: registered new interface driver legousbtower [ 14.297706][ T1] usbcore: registered new interface driver usbtest [ 14.301236][ T1] usbcore: registered new interface driver usb_ehset_t= est [ 14.304304][ T1] usbcore: registered new interface driver trancevibra= tor [ 14.307099][ T1] usbcore: registered new interface driver uss720 [ 14.308543][ T1] uss720: USB Parport Cable driver for Cables using th= e Lucent Technologies USS720 Chip [ 14.309426][ T1] uss720: NOTE: this is a special purpose driver to al= low nonstandard [ 14.310212][ T1] uss720: protocols (eg. bitbang) over USS720 usb to p= arallel cables [ 14.317207][ T1] uss720: If you just want to connect to a printer, us= e usblp instead [ 14.320387][ T1] usbcore: registered new interface driver usbsevseg [ 14.325623][ T1] usbcore: registered new interface driver yurex [ 14.346261][ T1] usbcore: registered new interface driver chaoskey [ 14.349153][ T1] usbcore: registered new interface driver sisusb [ 14.357883][ T1] usbcore: registered new interface driver lvs [ 14.363246][ T1] usbcore: registered new device driver onboard-usb-de= v [ 14.435704][ T1] dummy_hcd dummy_hcd.0: USB Host+Gadget Emulator, dri= ver 02 May 2005 [ 14.438586][ T1] dummy_hcd dummy_hcd.0: Dummy host controller [ 14.452253][ T1] dummy_hcd dummy_hcd.0: new USB bus registered, assig= ned bus number 1 [ 14.478915][ T1] usb usb1: New USB device found, idVendor=3D1d6b, idP= roduct=3D0002, bcdDevice=3D 6.10 [ 14.480377][ T1] usb usb1: New USB device strings: Mfr=3D3, Product= =3D2, SerialNumber=3D1 [ 14.482305][ T1] usb usb1: Product: Dummy host controller [ 14.483107][ T1] usb usb1: Manufacturer: Linux 6.10.0-rc7-syzkaller-0= 0266-g4d145e3f830b-dirty dummy_hcd [ 14.484296][ T1] usb usb1: SerialNumber: dummy_hcd.0 [ 14.523742][ T1] hub 1-0:1.0: USB hub found [ 14.527088][ T1] hub 1-0:1.0: 1 port detected [ 14.618793][ T1] gadgetfs: USB Gadget filesystem, version 24 Aug 2004 [ 14.704674][ T1] mousedev: PS/2 mouse device common for all mice [ 14.725075][ T1] usbcore: registered new interface driver iforce [ 14.733727][ T1] usbcore: registered new interface driver xpad [ 14.736935][ T1] usbcore: registered new interface driver ati_remote2 [ 14.737869][ T1] cm109: Keymap for Komunikate KIP1000 phone loaded [ 14.741372][ T1] usbcore: registered new interface driver cm109 [ 14.743785][ T1] cm109: CM109 phone driver: 20080805 (C) Alfred E. He= ggestad [ 14.746244][ T1] usbcore: registered new interface driver ims_pcu [ 14.748144][ T1] usbcore: registered new interface driver keyspan_rem= ote [ 14.815429][ T1] rtc-pl031 9010000.pl031: registered as rtc0 [ 14.829699][ T1] i2c_dev: i2c /dev entries driver [ 14.835787][ T1] usbcore: registered new interface driver i2c-tiny-us= b [ 14.894702][ T1] device-mapper: core: CONFIG_IMA_DISABLE_HTABLE is di= sabled. Duplicate IMA measurements will not be recorded in the IMA log. [ 14.895758][ T1] device-mapper: uevent: version 1.0.3 [ 14.909774][ T1] device-mapper: ioctl: 4.48.0-ioctl (2023-03-01) init= ialised: dm-devel@lists.linux.dev [ 14.923944][ T1] device-mapper: multipath round-robin: version 1.2.0 = loaded [ 14.924551][ T1] device-mapper: multipath queue-length: version 0.2.0= loaded [ 14.925504][ T1] device-mapper: multipath service-time: version 0.3.0= loaded [ 14.964334][ T1] ledtrig-cpu: registered to indicate activity on CPUs [ 14.996590][ T1] iscsi: registered transport (iser) [ 15.005451][ T1] SoftiWARP attached [ 15.044338][ T1] hid: raw HID events driver (C) Jiri Kosina [ 15.052186][ T1] usbcore: registered new interface driver usbhid [ 15.052623][ T1] usbhid: USB HID core driver [ 15.082727][ T1] usbcore: registered new interface driver es2_ap_driv= er [ 15.084118][ T1] greybus: registered new driver hid [ 15.086685][ T1] greybus: registered new driver gbphy [ 15.088955][ T1] gb_gbphy: registered new driver usb [ 15.138911][ T1] hw perfevents: enabled with armv8_pmuv3 PMU driver, = 7 counters available [ 15.179956][ T1] cs_system_cfg: CoreSight Configuration manager init= ialised [ 15.293156][ T1] gnss: GNSS driver registered with major 495 [ 15.885241][ T1] usbcore: registered new interface driver snd-usb-aud= io [ 15.887644][ T1] usbcore: registered new interface driver snd-ua101 [ 15.890191][ T1] usbcore: registered new interface driver snd-usb-cai= aq [ 15.893217][ T1] usbcore: registered new interface driver snd-usb-6fi= re [ 15.895807][ T1] usbcore: registered new interface driver snd-usb-hif= ace [ 15.898509][ T1] usbcore: registered new interface driver snd-bcd2000 [ 15.903568][ T1] usbcore: registered new interface driver snd_usb_pod [ 15.906285][ T1] usbcore: registered new interface driver snd_usb_pod= hd [ 15.909046][ T1] usbcore: registered new interface driver snd_usb_ton= eport [ 15.911554][ T1] usbcore: registered new interface driver snd_usb_var= iax [ 16.087511][ T1] NET: Registered PF_LLC protocol family [ 16.089481][ T1] GACT probability on [ 16.090238][ T1] Mirror/redirect action on [ 16.092998][ T1] Simple TC action Loaded [ 16.122423][ T1] netem: version 1.3 [ 16.124519][ T1] u32 classifier [ 16.125078][ T1] Performance counters on [ 16.125772][ T1] input device check on [ 16.126376][ T1] Actions configured [ 16.179092][ T1] xt_time: kernel timezone is -0000 [ 16.181605][ T1] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 16.203257][ T1] gre: GRE over IPv4 demultiplexor driver [ 16.204163][ T1] ip_gre: GRE over IPv4 tunneling driver [ 16.264721][ T1] IPv4 over IPsec tunneling driver [ 16.294064][ T1] Initializing XFRM netlink socket [ 16.297117][ T1] IPsec XFRM device driver [ 16.303386][ T1] NET: Registered PF_INET6 protocol family [ 16.418730][ T1] Segment Routing with IPv6 [ 16.419572][ T1] RPL Segment Routing with IPv6 [ 16.424115][ T1] In-situ OAM (IOAM) with IPv6 [ 16.428352][ T1] mip6: Mobile IPv6 [ 16.466648][ T1] sit: IPv6, IPv4 and MPLS over IPv4 tunneling driver [ 16.529372][ T1] ip6_gre: GRE over IPv6 tunneling driver [ 16.558126][ T1] NET: Registered PF_PACKET protocol family [ 16.559607][ T1] NET: Registered PF_KEY protocol family [ 16.566730][ T1] can: controller area network core [ 16.568802][ T1] NET: Registered PF_CAN protocol family [ 16.569250][ T1] can: raw protocol [ 16.569733][ T1] can: broadcast manager protocol [ 16.570472][ T1] can: netlink gateway - max_hops=3D1 [ 16.573717][ T1] can: SAE J1939 [ 16.574698][ T1] can: isotp protocol (max_pdu_size 8300) [ 16.582209][ T1] NET: Registered PF_KCM protocol family [ 16.590346][ T1] l2tp_core: L2TP core driver, V2.0 [ 16.593329][ T1] l2tp_ip: L2TP IP encapsulation support (L2TPv3) [ 16.594457][ T1] l2tp_netlink: L2TP netlink interface [ 16.597132][ T1] l2tp_eth: L2TP ethernet pseudowire support (L2TPv3) [ 16.598043][ T1] l2tp_ip6: L2TP IP encapsulation support for IPv6 (L2= TPv3) [ 16.599157][ T1] 8021q: 802.1Q VLAN Support v1.8 [ 16.607654][ T1] sctp: Hash tables configured (bind 256/256) [ 16.622478][ T1] NET: Registered PF_RDS protocol family [ 16.629612][ T1] Registered RDS/infiniband transport [ 16.642670][ T1] Registered RDS/tcp transport [ 16.648213][ T1] NET: Registered PF_SMC protocol family [ 16.649869][ T1] 9pnet: Installing 9P2000 support [ 16.653711][ T1] Key type dns_resolver registered [ 16.654882][ T1] Key type ceph registered [ 16.659347][ T1] libceph: loaded (mon/osd proto 15/24) [ 16.668663][ T1] NET: Registered PF_VSOCK protocol family [ 20.295912][ T1] Timer migration: 1 hierarchy levels; 8 children per = group; 1 crossnode level [ 20.309756][ T1] registered taskstats version 1 [ 20.321210][ T1] Loading compiled-in X.509 certificates [ 20.369974][ T1] Loaded X.509 cert 'Build time autogenerated kernel k= ey: 6c63633801075204133449b0eb59bc21f2576981' [ 21.380327][ T1] zswap: loaded using pool lzo/zsmalloc [ 21.402152][ T1] Demotion targets for Node 0: null [ 21.411574][ T1] Key type .fscrypt registered [ 21.412362][ T1] Key type fscrypt-provisioning registered [ 21.424092][ T1] Key type big_key registered [ 21.425656][ T1] Key type encrypted registered [ 21.427809][ T1] ima: No TPM chip found, activating TPM-bypass! [ 21.428900][ T1] Loading compiled-in module X.509 certificates [ 21.472947][ T1] Loaded X.509 cert 'Build time autogenerated kernel k= ey: 6c63633801075204133449b0eb59bc21f2576981' [ 21.475516][ T1] ima: Allocated hash algorithm: sha256 [ 21.484104][ T1] ima: No architecture policies found [ 21.490290][ T1] evm: Initialising EVM extended attributes: [ 21.491927][ T1] evm: security.selinux (disabled) [ 21.492648][ T1] evm: security.SMACK64 [ 21.493207][ T1] evm: security.SMACK64EXEC [ 21.493811][ T1] evm: security.SMACK64TRANSMUTE [ 21.494403][ T1] evm: security.SMACK64MMAP [ 21.494964][ T1] evm: security.apparmor (disabled) [ 21.495611][ T1] evm: security.ima [ 21.496119][ T1] evm: security.capability [ 21.496682][ T1] evm: HMAC attrs: 0x1 [ 21.536239][ T1] printk: legacy console [netcon0] enabled [ 21.537332][ T1] netconsole: network logging started [ 21.543371][ T1] gtp: GTP module loaded (pdp ctx size 128 bytes) [ 21.572025][ T1] input: gpio-keys as /devices/platform/gpio-keys/inpu= t/input0 [ 21.608832][ T1] rdma_rxe: loaded [ 21.626032][ T1] clk: Disabling unused clocks [ 21.626755][ T1] PM: genpd: Disabling unused power domains [ 21.627535][ T1] ALSA device list: [ 21.627890][ T1] #0: Dummy 1 [ 21.628215][ T1] #1: Loopback 1 [ 21.628521][ T1] #2: Virtual MIDI Card 1 [ 21.650309][ T1] md: Skipping autodetection of RAID arrays. (raid=3Da= utodetect will force) [ 21.843600][ T1] EXT4-fs (vda): mounted filesystem 126e38a5-b482-40da= -8f06-bd78886e02c1 ro with ordered data mode. Quota mode: none. [ 21.846818][ T1] VFS: Mounted root (ext4 filesystem) readonly on devi= ce 253:0. [ 21.863144][ T1] devtmpfs: mounted [ 22.026437][ T1] Freeing unused kernel memory: 1472K [ 22.034062][ T1] Run /sbin/init as init process [ 22.160148][ T1] ------------[ cut here ]------------ [ 22.167295][ T1] kernel BUG at mm/rmap.c:1152! [ 22.168319][ T1] Internal error: Oops - BUG: 00000000f2000800 [#1] PR= EEMPT SMP [ 22.169624][ T1] Modules linked in: [ 22.171306][ T1] CPU: 1 PID: 1 Comm: init Not tainted 6.10.0-rc7-syzk= aller-00266-g4d145e3f830b-dirty #0 [ 22.172600][ T1] Hardware name: linux,dummy-virt (DT) [ 22.173409][ T1] pstate: 01400009 (nzcv daif +PAN -UAO -TCO +DIT -SSB= S BTYPE=3D--) [ 22.174329][ T1] pc : folio_add_file_rmap_ptes+0x188/0x18c [ 22.176361][ T1] lr : set_pte_range+0xc8/0x204 [ 22.176910][ T1] sp : ffff80008297bb10 [ 22.177404][ T1] x29: ffff80008297bb10 x28: 0000000000000000 x27: fff= fc1ffc009fcc0 [ 22.178589][ T1] x26: 0000000000000000 x25: ffffc1ffc009fcc0 x24: fbf= 0000003783d80 [ 22.179678][ T1] x23: ffffc1ffc009fcc0 x22: 0000ffff8aaa7000 x21: 000= 0000000000001 [ 22.180638][ T1] x20: ffff80008297bd08 x19: ffffc1ffc009fcc0 x18: fff= fffffffffffff [ 22.181621][ T1] x17: 0000000000000000 x16: 1e1e000000906d61 x15: 000= 0000000000001 [ 22.182685][ T1] x14: ffffffffffffffff x13: 0000000000000000 x12: fff= f800081e6a3e8 [ 22.183750][ T1] x11: 0000000000000001 x10: fff00000061ad538 x9 : f0f= 0000004836b00 [ 22.184873][ T1] x8 : 0000000000000010 x7 : 000000000000001f x6 : fff= fc1ffc0000000 [ 22.185831][ T1] x5 : 0000000000000000 x4 : 0000ffff8aaa7000 x3 : fbf= 0000003783d80 [ 22.186755][ T1] x2 : 0000000000000001 x1 : ffffc1ffc009fcc0 x0 : 000= 00000ffffffff [ 22.188006][ T1] Call trace: [ 22.188634][ T1] folio_add_file_rmap_ptes+0x188/0x18c [ 22.189523][ T1] set_pte_range+0xc8/0x204 [ 22.190194][ T1] filemap_map_pages+0x1c8/0x69c [ 22.190782][ T1] __handle_mm_fault+0xd20/0x1b30 [ 22.191394][ T1] handle_mm_fault+0x68/0x280 [ 22.191967][ T1] do_page_fault+0xf8/0x480 [ 22.192558][ T1] do_translation_fault+0xac/0xbc [ 22.193144][ T1] do_mem_abort+0x44/0x94 [ 22.193801][ T1] el0_ia+0xa4/0x118 [ 22.194388][ T1] el0t_64_sync_handler+0xd0/0x12c [ 22.195034][ T1] el0t_64_sync+0x19c/0x1a0 [ 22.196199][ T1] Code: 52800022 52800241 9401cc4e 17ffffd3 (d4210000)= =20 [ 22.197334][ T1] ---[ end trace 0000000000000000 ]--- [ 22.198247][ T1] Kernel panic - not syncing: Oops - BUG: Fatal except= ion [ 22.199304][ T1] SMP: stopping secondary CPUs [ 22.200826][ T1] Kernel Offset: disabled [ 22.201438][ T1] CPU features: 0x00,00000006,8f17bd7c,1767f6bf [ 22.202609][ T1] Memory Limit: none [ 22.203551][ T1] Rebooting in 86400 seconds.. syzkaller build log: go env (err=3D) GO111MODULE=3D'auto' GOARCH=3D'amd64' GOBIN=3D'' GOCACHE=3D'/syzkaller/.cache/go-build' GOENV=3D'/syzkaller/.config/go/env' GOEXE=3D'' GOEXPERIMENT=3D'' GOFLAGS=3D'' GOHOSTARCH=3D'amd64' GOHOSTOS=3D'linux' GOINSECURE=3D'' 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' GOTMPDIR=3D'' GOTOOLCHAIN=3D'auto' GOTOOLDIR=3D'/usr/local/go/pkg/tool/linux_amd64' GOVCS=3D'' GOVERSION=3D'go1.21.4' GCCGO=3D'gccgo' GOAMD64=3D'v1' AR=3D'ar' CC=3D'gcc' CXX=3D'g++' CGO_ENABLED=3D'1' GOMOD=3D'/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/go.mo= d' GOWORK=3D'' CGO_CFLAGS=3D'-O2 -g' CGO_CPPFLAGS=3D'' CGO_CXXFLAGS=3D'-O2 -g' CGO_FFLAGS=3D'-O2 -g' CGO_LDFLAGS=3D'-O2 -g' PKG_CONFIG=3D'pkg-config' GOGCCFLAGS=3D'-fPIC -m64 -pthread -Wl,--no-gc-sections -fmessage-length=3D0= -ffile-prefix-map=3D/tmp/go-build1339368986=3D/tmp/go-build -gno-record-gc= c-switches' git status (err=3D) HEAD detached at eaeb5c15a 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}}' ./sys/syz-sysgen | grep -q false || go install ./sy= s/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 go fmt ./sys/... >/dev/null touch .descriptions GOOS=3Dlinux GOARCH=3Darm64 go build "-ldflags=3D-s -w -X github.com/google= /syzkaller/prog.GitRevision=3Deaeb5c15ad704753a93bc8f8c7fc422d2a189581 -X '= github.com/google/syzkaller/prog.gitRevisionDate=3D20240711-172551'" "-tags= =3Dsyz_target syz_os_linux syz_arch_arm64 " -o ./bin/linux_arm64/syz-execpr= og github.com/google/syzkaller/tools/syz-execprog mkdir -p ./bin/linux_arm64 aarch64-linux-gnu-g++ -o ./bin/linux_arm64/syz-executor executor/executor.c= c \ -O2 -pthread -Wall -Werror -Wparentheses -Wunused-const-variable -Wframe-l= arger-than=3D16384 -Wno-stringop-overflow -Wno-array-bounds -Wno-format-ove= rflow -Wno-unused-but-set-variable -Wno-unused-command-line-argument -stati= c-pie -std=3Dc++17 -I. -Iexecutor/_include -fpermissive -w -DGOOS_linux=3D1= -DGOARCH_arm64=3D1 \ -DHOSTGOOS_linux=3D1 -DGIT_REVISION=3D\"eaeb5c15ad704753a93bc8f8c7fc422d2a= 189581\" /usr/lib/gcc-cross/aarch64-linux-gnu/12/../../../../aarch64-linux-gnu/bin/l= d: /tmp/cc8XHKWX.o: in function `test_cover_filter()': executor.cc:(.text+0xfabc): warning: the use of `tempnam' is dangerous, bet= ter use `mkstemp' /usr/lib/gcc-cross/aarch64-linux-gnu/12/../../../../aarch64-linux-gnu/bin/l= d: /tmp/cc8XHKWX.o: in function `Connection::Connect(char const*, char cons= t*)': executor.cc:(.text._ZN10Connection7ConnectEPKcS1_[_ZN10Connection7ConnectEP= KcS1_]+0x148): warning: Using 'gethostbyname' in statically linked applicat= ions requires at runtime the shared libraries from the glibc version used f= or linking Error text is too large and was truncated, full error text is at: https://syzkaller.appspot.com/x/error.txt?x=3D142afab5980000 Tested on: commit: 4d145e3f Merge tag 'i2c-for-6.10-rc8' of git://git.ker.. git tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/li= nux.git kernel config: https://syzkaller.appspot.com/x/.config?x=3D6b5a15443200e31 dashboard link: https://syzkaller.appspot.com/bug?extid=3Dec4b7d82bb051330f= 15a compiler: aarch64-linux-gnu-gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GN= U Binutils for Debian) 2.40 userspace arch: arm64 patch: https://syzkaller.appspot.com/x/patch.diff?x=3D15d65ab59800= 00