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charset="UTF-8" Content-Transfer-Encoding: quoted-printable Hello, syzbot tried to test the proposed patch but the build/boot failed: T1] ALSA device list: [ 49.732806][ T1] #0: Dummy 1 [ 49.736413][ T1] #1: Loopback 1 [ 49.740228][ T1] #2: Virtual MIDI Card 1 [ 49.750262][ T10] platform regulatory.0: Direct firmware load for regu= latory.db failed with error -2 [ 49.760115][ T10] platform regulatory.0: Falling back to sysfs fallbac= k for: regulatory.db [ 49.769557][ T1] md: Waiting for all devices to be available before a= utodetect [ 49.777447][ T1] md: If you don't use raid, use raid=3Dnoautodetect [ 49.784213][ T1] md: Autodetecting RAID arrays. [ 49.789324][ T1] md: autorun ... [ 49.793191][ T1] md: ... autorun DONE. [ 49.912261][ T1] EXT4-fs (sda1): mounted filesystem 5941fea2-f5fa-4b4= e-b5ef-9af118b27b95 ro with ordered data mode. Quota mode: none. [ 49.925661][ T1] VFS: Mounted root (ext4 filesystem) readonly on devi= ce 8:1. [ 49.949100][ T1] devtmpfs: mounted [ 50.204085][ T1] Freeing unused kernel image (initmem) memory: 36920K [ 50.216901][ T1] Write protecting the kernel read-only data: 260096k [ 50.263842][ T1] Freeing unused kernel image (rodata/data gap) memory= : 1876K [ 51.884629][ T1] x86/mm: Checked W+X mappings: passed, no W+X pages f= ound. [ 51.895285][ T1] x86/mm: Checking user space page tables [ 53.370836][ T1] x86/mm: Checked W+X mappings: passed, no W+X pages f= ound. [ 53.379919][ T1] Failed to set sysctl parameter 'kernel.hung_task_all= _cpu_backtrace=3D1': parameter not found [ 53.401312][ T1] Failed to set sysctl parameter 'max_rcu_stall_to_pan= ic=3D1': parameter not found [ 53.413335][ T1] Run /sbin/init as init process [ 55.024257][ T4444] mount (4444) used greatest stack depth: 8112 bytes l= eft [ 55.119469][ T4445] EXT4-fs (sda1): re-mounted 5941fea2-f5fa-4b4e-b5ef-9= af118b27b95 r/w. Quota mode: none. mount: mounting smackfs on /sys/fs/smackfs failed: No such file or director= y mount: mounting selinuxfs on /sys/fs/selinux failed: No such file or direct= ory [ 55.460316][ T4448] mount (4448) used greatest stack depth: 5568 bytes l= eft Starting syslogd: OK Starting acpid: OK Starting klogd: OK Running sysctl: OK Populating /dev using udev: [ 59.293786][ T4478] udevd[4478]: starting ve= rsion 3.2.11 [ 62.812014][ T4480] udevd[4480]: starting eudev-3.2.11 [ 62.823661][ T4478] udevd (4478) used greatest stack depth: 5344 bytes l= eft [ 96.252561][ T1219] net_ratelimit: 2 callbacks suppressed [ 96.252654][ T1219] aoe: packet could not be sent on lo. consider incre= asing tx_queue_len [ 96.267801][ T1219] aoe: packet could not be sent on bond0. consider in= creasing tx_queue_len [ 96.276910][ T1219] aoe: packet could not be sent on dummy0. consider i= ncreasing tx_queue_len [ 96.286143][ T1219] aoe: packet could not be sent on eql. consider incr= easing tx_queue_len [ 96.295161][ T1219] aoe: packet could not be sent on ifb0. consider inc= reasing tx_queue_len [ 96.304298][ T1219] aoe: packet could not be sent on ifb1. consider inc= reasing tx_queue_len [ 96.313312][ T1219] aoe: packet could not be sent on eth0. consider inc= reasing tx_queue_len [ 96.322319][ T1219] aoe: packet could not be sent on wlan0. consider in= creasing tx_queue_len [ 96.331822][ T1219] aoe: packet could not be sent on wlan1. consider in= creasing tx_queue_len [ 96.341035][ T1219] aoe: packet could not be sent on hwsim0. consider i= ncreasing tx_queue_len done Starting system message bus: done Starting iptables: OK Starting network: OK Starting dhcpcd... dhcpcd-9.4.1 starting dev: loaded udev DUID 00:04:98:24:4c:28:99:7c:d9:70:fe:51:ca:fe:56:33:2c:7d forked to background, child pid 4692 [ 110.213007][ T4693] 8021q: adding VLAN 0 to HW filter on device bond0 [ 110.255329][ T4693] eql: remember to turn off Van-Jacobson compression o= n your slave devices Starting sshd: [ 111.615530][ T10] cfg80211: failed to load regulatory.d= b OK syzkaller syzkaller login: [ 114.058251][ C0] =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D [ 114.065473][ C0] BUG: KMSAN: uninit-value in receive_buf+0x25e3/0x5fd= 0 [ 114.072524][ C0] receive_buf+0x25e3/0x5fd0 [ 114.077324][ C0] virtnet_poll+0xd1c/0x23c0 [ 114.082110][ C0] __napi_poll+0xe7/0x980 [ 114.086745][ C0] net_rx_action+0x82a/0x1850 [ 114.091708][ C0] handle_softirqs+0x1ce/0x800 [ 114.096721][ C0] __irq_exit_rcu+0x68/0x120 [ 114.101495][ C0] irq_exit_rcu+0x12/0x20 [ 114.106116][ C0] common_interrupt+0x94/0xa0 [ 114.111003][ C0] asm_common_interrupt+0x2b/0x40 [ 114.116235][ C0] virt_to_page_or_null+0x9b/0x150 [ 114.121622][ C0] kmsan_get_metadata+0x146/0x1d0 [ 114.126851][ C0] kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 114.132755][ C0] __msan_metadata_ptr_for_load_8+0x24/0x40 [ 114.138838][ C0] move_page_tables+0x22aa/0x3940 [ 114.144062][ C0] setup_arg_pages+0x1741/0x1eb0 [ 114.149161][ C0] load_elf_binary+0x186e/0x4e10 [ 114.154310][ C0] bprm_execve+0xc57/0x21c0 [ 114.158971][ C0] do_execveat_common+0xceb/0xd70 [ 114.164231][ C0] __x64_sys_execve+0xf4/0x130 [ 114.169182][ C0] x64_sys_call+0x164f/0x3b90 [ 114.174097][ C0] do_syscall_64+0xcd/0x1e0 [ 114.178953][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 114.185159][ C0]=20 [ 114.187583][ C0] Uninit was created at: [ 114.191970][ C0] __alloc_pages_noprof+0x9d6/0xe70 [ 114.197429][ C0] alloc_pages_mpol_noprof+0x299/0x990 [ 114.203217][ C0] alloc_pages_noprof+0x1bf/0x1e0 [ 114.208521][ C0] skb_page_frag_refill+0x2bf/0x7c0 [ 114.214331][ C0] virtnet_rq_alloc+0x43/0xbb0 [ 114.219311][ C0] try_fill_recv+0x3f0/0x2f50 [ 114.224213][ C0] virtnet_open+0x1cc/0xb00 [ 114.228892][ C0] __dev_open+0x546/0x6f0 [ 114.233458][ C0] __dev_change_flags+0x309/0x9a0 [ 114.238699][ C0] dev_change_flags+0x8e/0x1d0 [ 114.243670][ C0] devinet_ioctl+0x13ec/0x22c0 [ 114.248707][ C0] inet_ioctl+0x4bd/0x6d0 [ 114.253223][ C0] sock_do_ioctl+0xb7/0x540 [ 114.257877][ C0] sock_ioctl+0x727/0xd70 [ 114.262296][ C0] __se_sys_ioctl+0x261/0x450 [ 114.267163][ C0] __x64_sys_ioctl+0x96/0xe0 [ 114.271913][ C0] x64_sys_call+0x18c0/0x3b90 [ 114.276861][ C0] do_syscall_64+0xcd/0x1e0 [ 114.281557][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 114.287691][ C0]=20 [ 114.290142][ C0] CPU: 0 PID: 4810 Comm: cmp Not tainted 6.10.0-rc2-sy= zkaller-00318-g68af0e6e57f1 #0 [ 114.299891][ C0] Hardware name: Google Google Compute Engine/Google C= ompute Engine, BIOS Google 04/02/2024 [ 114.310124][ C0] =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D [ 114.317210][ C0] Disabling lock debugging due to kernel taint [ 114.323590][ C0] Kernel panic - not syncing: kmsan.panic set ... [ 114.330063][ C0] CPU: 0 PID: 4810 Comm: cmp Tainted: G B = 6.10.0-rc2-syzkaller-00318-g68af0e6e57f1 #0 [ 114.341090][ C0] Hardware name: Google Google Compute Engine/Google C= ompute Engine, BIOS Google 04/02/2024 [ 114.351224][ C0] Call Trace: [ 114.354569][ C0] [ 114.357458][ C0] dump_stack_lvl+0x216/0x2d0 [ 114.362339][ C0] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 114.368256][ C0] dump_stack+0x1e/0x30 [ 114.372558][ C0] panic+0x4e2/0xcd0 [ 114.376579][ C0] ? kmsan_get_metadata+0xa1/0x1d0 [ 114.381828][ C0] kmsan_report+0x2d5/0x2e0 [ 114.386474][ C0] ? __pfx_min_vruntime_cb_rotate+0x10/0x10 [ 114.392494][ C0] ? kmsan_internal_set_shadow_origin+0x69/0x100 [ 114.398930][ C0] ? kmsan_get_metadata+0x146/0x1d0 [ 114.404232][ C0] ? __msan_warning+0x95/0x120 [ 114.409102][ C0] ? receive_buf+0x25e3/0x5fd0 [ 114.413993][ C0] ? virtnet_poll+0xd1c/0x23c0 [ 114.418899][ C0] ? __napi_poll+0xe7/0x980 [ 114.423521][ C0] ? net_rx_action+0x82a/0x1850 [ 114.428495][ C0] ? handle_softirqs+0x1ce/0x800 [ 114.433533][ C0] ? __irq_exit_rcu+0x68/0x120 [ 114.438422][ C0] ? irq_exit_rcu+0x12/0x20 [ 114.443046][ C0] ? common_interrupt+0x94/0xa0 [ 114.448005][ C0] ? asm_common_interrupt+0x2b/0x40 [ 114.453326][ C0] ? virt_to_page_or_null+0x9b/0x150 [ 114.458717][ C0] ? kmsan_get_metadata+0x146/0x1d0 [ 114.464012][ C0] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 114.469951][ C0] ? __msan_metadata_ptr_for_load_8+0x24/0x40 [ 114.476138][ C0] ? move_page_tables+0x22aa/0x3940 [ 114.481443][ C0] ? setup_arg_pages+0x1741/0x1eb0 [ 114.487208][ C0] ? load_elf_binary+0x186e/0x4e10 [ 114.492542][ C0] ? bprm_execve+0xc57/0x21c0 [ 114.497428][ C0] ? do_execveat_common+0xceb/0xd70 [ 114.502965][ C0] ? __x64_sys_execve+0xf4/0x130 [ 114.508049][ C0] ? x64_sys_call+0x164f/0x3b90 [ 114.513049][ C0] ? do_syscall_64+0xcd/0x1e0 [ 114.517835][ C0] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 114.524271][ C0] ? kmsan_internal_memmove_metadata+0x17b/0x230 [ 114.530728][ C0] ? kmsan_get_metadata+0x146/0x1d0 [ 114.536028][ C0] ? kmsan_get_metadata+0x146/0x1d0 [ 114.541332][ C0] ? page_to_skb+0xdae/0x1620 [ 114.546091][ C0] ? kmsan_get_metadata+0x146/0x1d0 [ 114.551404][ C0] __msan_warning+0x95/0x120 [ 114.556099][ C0] receive_buf+0x25e3/0x5fd0 [ 114.560811][ C0] ? kmsan_get_metadata+0x146/0x1d0 [ 114.566222][ C0] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 114.572325][ C0] virtnet_poll+0xd1c/0x23c0 [ 114.577052][ C0] ? __pfx_virtnet_poll+0x10/0x10 [ 114.582192][ C0] __napi_poll+0xe7/0x980 [ 114.586804][ C0] ? kmsan_get_metadata+0x146/0x1d0 [ 114.592127][ C0] net_rx_action+0x82a/0x1850 [ 114.596929][ C0] ? sched_clock_cpu+0x55/0x870 [ 114.601889][ C0] ? __pfx_net_rx_action+0x10/0x10 [ 114.607136][ C0] handle_softirqs+0x1ce/0x800 [ 114.612097][ C0] __irq_exit_rcu+0x68/0x120 [ 114.616825][ C0] irq_exit_rcu+0x12/0x20 [ 114.621255][ C0] common_interrupt+0x94/0xa0 [ 114.626143][ C0] [ 114.629121][ C0] [ 114.632123][ C0] asm_common_interrupt+0x2b/0x40 [ 114.637277][ C0] RIP: 0010:virt_to_page_or_null+0x9b/0x150 [ 114.643734][ C0] Code: d6 48 c1 ee 23 48 8b 34 f1 48 85 f6 74 13 48 8= 9 d1 48 c1 e9 1b 0f b6 c9 48 c1 e1 04 48 01 ce eb 02 31 f6 65 ff 05 ad a1 c= 4 7d <48> 85 f6 74 09 4c 8b 06 41 f6 c0 02 75 17 31 c9 65 ff 0d 96 a1 c4 [ 114.663636][ C0] RSP: 0018:ffff888115fa3560 EFLAGS: 00000282 [ 114.669801][ C0] RAX: ffff8881a04798b0 RBX: ffff8881204798b0 RCX: 000= 0000000000240 [ 114.678046][ C0] RDX: 00000001204798b0 RSI: ffff88813fff9240 RDI: fff= f8881204798b0 [ 114.686097][ C0] RBP: ffff888115fa3560 R08: ffffea000000000f R09: 000= 0000000000000 [ 114.694353][ C0] R10: ffff8881157a3588 R11: 0000000000000004 R12: 000= 07ffffffff000 [ 114.702427][ C0] R13: ffff88811759ccc0 R14: 0000000000000001 R15: fff= f8881204798b0 [ 114.710503][ C0] kmsan_get_metadata+0x146/0x1d0 [ 114.715665][ C0] kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 114.721472][ C0] __msan_metadata_ptr_for_load_8+0x24/0x40 [ 114.727581][ C0] move_page_tables+0x22aa/0x3940 [ 114.732810][ C0] setup_arg_pages+0x1741/0x1eb0 [ 114.737898][ C0] ? kmsan_get_metadata+0x146/0x1d0 [ 114.743211][ C0] ? kmsan_get_metadata+0x146/0x1d0 [ 114.748534][ C0] ? kmsan_internal_set_shadow_origin+0x69/0x100 [ 114.754977][ C0] ? kmsan_get_metadata+0x146/0x1d0 [ 114.760321][ C0] load_elf_binary+0x186e/0x4e10 [ 114.765360][ C0] ? kmsan_get_metadata+0x146/0x1d0 [ 114.770982][ C0] ? kmsan_internal_set_shadow_origin+0x69/0x100 [ 114.777440][ C0] ? kmsan_internal_unpoison_memory+0x14/0x20 [ 114.783631][ C0] ? load_elf_binary+0x1331/0x4e10 [ 114.788932][ C0] ? kmsan_get_metadata+0x146/0x1d0 [ 114.794247][ C0] ? __pfx_load_elf_binary+0x10/0x10 [ 114.799718][ C0] bprm_execve+0xc57/0x21c0 [ 114.804338][ C0] do_execveat_common+0xceb/0xd70 [ 114.809485][ C0] __x64_sys_execve+0xf4/0x130 [ 114.814370][ C0] x64_sys_call+0x164f/0x3b90 [ 114.819190][ C0] do_syscall_64+0xcd/0x1e0 [ 114.823875][ C0] ? clear_bhb_loop+0x25/0x80 [ 114.828744][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 114.834741][ C0] RIP: 0033:0x7febec525ef7 [ 114.839238][ C0] Code: Unable to access opcode bytes at 0x7febec525ec= d. [ 114.846321][ C0] RSP: 002b:00007ffee08c4918 EFLAGS: 00000246 ORIG_RAX= : 000000000000003b [ 114.855113][ C0] RAX: ffffffffffffffda RBX: 000055e293558020 RCX: 000= 07febec525ef7 [ 114.863169][ C0] RDX: 000055e293558048 RSI: 000055e293558020 RDI: 000= 055e2935580d0 [ 114.871237][ C0] RBP: 000055e2935580d0 R08: 000055e2935580d9 R09: 000= 07ffee08c8ecb [ 114.879289][ C0] R10: 0000000000000008 R11: 0000000000000246 R12: 000= 055e293558048 [ 114.887358][ C0] R13: 00007febec6d3904 R14: 000055e293558048 R15: 000= 0000000000000 [ 114.895462][ C0] [ 114.898839][ C0] Kernel Offset: disabled [ 114.903237][ C0] 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-2/linux/gopath/pkg/mod' GONOPROXY=3D'' GONOSUMDB=3D'' GOOS=3D'linux' GOPATH=3D'/syzkaller/jobs-2/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-2/linux/gopath/src/github.com/google/syzkaller/go.= mod' 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-build3593741732=3D/tmp/go-build -gno-record-gc= c-switches' git status (err=3D) HEAD detached at 25905f5d0a 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 touch .descriptions GOOS=3Dlinux GOARCH=3Damd64 go build "-ldflags=3D-s -w -X github.com/google= /syzkaller/prog.GitRevision=3D25905f5d0a2a7883bd33491997556193582c6059 -X '= github.com/google/syzkaller/prog.gitRevisionDate=3D20240301-171218'" "-tags= =3Dsyz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-fuzzer= github.com/google/syzkaller/syz-fuzzer GOOS=3Dlinux GOARCH=3Damd64 go build "-ldflags=3D-s -w -X github.com/google= /syzkaller/prog.GitRevision=3D25905f5d0a2a7883bd33491997556193582c6059 -X '= github.com/google/syzkaller/prog.gitRevisionDate=3D20240301-171218'" "-tags= =3Dsyz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-execpr= og github.com/google/syzkaller/tools/syz-execprog GOOS=3Dlinux GOARCH=3Damd64 go build "-ldflags=3D-s -w -X github.com/google= /syzkaller/prog.GitRevision=3D25905f5d0a2a7883bd33491997556193582c6059 -X '= github.com/google/syzkaller/prog.gitRevisionDate=3D20240301-171218'" "-tags= =3Dsyz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-stress= github.com/google/syzkaller/tools/syz-stress mkdir -p ./bin/linux_amd64 gcc -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 -fpermissive -w -DGOOS_linux=3D1 -DGOARCH_amd64=3D1 \ -DHOSTGOOS_linux=3D1 -DGIT_REVISION=3D\"25905f5d0a2a7883bd3349199755619358= 2c6059\" Error text is too large and was truncated, full error text is at: https://syzkaller.appspot.com/x/error.txt?x=3D16a96dce980000 Tested on: commit: 68af0e6e hfs: fix to initialize fields of hfs_inode_in.. git tree: https://git.kernel.org/pub/scm/linux/kernel/git/chao/linux.= git misc kernel config: https://syzkaller.appspot.com/x/.config?x=3Db7d07bfd0c305fe= 4 dashboard link: https://syzkaller.appspot.com/bug?extid=3D3ae6be33a50b5aae4= dab compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debia= n) 2.40 Note: no patches were applied.