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Date: Sun, 14 Apr 2024 02:30:03 -0700
From: syzbot <syzbot+d0f14b2d5a3d1587fbe7@...kaller.appspotmail.com>
To: hdanton@...a.com, linux-kernel@...r.kernel.org,
syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [pvrusb2?] [usb?] KASAN: slab-use-after-free Read in
pvr2_context_set_notify (3)
Hello,
syzbot tried to test the proposed patch but the build/boot failed:
91][ T1] ACPI: 2 ACPI AML tables successfully acquired and loaded
[ 3.614673][ T1] ACPI: _OSC evaluation for CPUs failed, trying _PDC
[ 3.646357][ T1] ACPI: Interpreter enabled
[ 3.648193][ T1] ACPI: PM: (supports S0 S3 S4 S5)
[ 3.649163][ T1] ACPI: Using IOAPIC for interrupt routing
[ 3.650860][ T1] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug
[ 3.651369][ T1] PCI: Ignoring E820 reservations for host bridge windows
[ 3.662167][ T1] ACPI: Enabled 16 GPEs in block 00 to 0F
[ 4.033152][ T1] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff])
[ 4.034764][ T1] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI HPX-Type3]
[ 4.036247][ T1] acpi PNP0A03:00: _OSC: not requesting OS control; OS requires [ExtendedConfig ASPM ClockPM MSI]
[ 4.039584][ T1] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended configuration space under this bridge
[ 4.075099][ T1] PCI host bridge to bus 0000:00
[ 4.076061][ T1] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window]
[ 4.077387][ T1] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window]
[ 4.078606][ T1] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window]
[ 4.080065][ T1] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfefff window]
[ 4.081402][ T1] pci_bus 0000:00: root bus resource [bus 00-ff]
[ 4.083887][ T1] pci 0000:00:00.0: [8086:1237] type 00 class 0x060000 conventional PCI endpoint
[ 4.094418][ T1] pci 0000:00:01.0: [8086:7110] type 00 class 0x060100 conventional PCI endpoint
[ 4.135316][ T1] pci 0000:00:01.3: [8086:7113] type 00 class 0x068000 conventional PCI endpoint
[ 4.166509][ T1] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI
[ 4.176175][ T1] pci 0000:00:03.0: [1af4:1004] type 00 class 0x000000 conventional PCI endpoint
[ 4.187818][ T1] pci 0000:00:03.0: BAR 0 [io 0xc000-0xc03f]
[ 4.196090][ T1] pci 0000:00:03.0: BAR 1 [mem 0xfe800000-0xfe80007f]
[ 4.223988][ T1] pci 0000:00:04.0: [1af4:1000] type 00 class 0x020000 conventional PCI endpoint
[ 4.234695][ T1] pci 0000:00:04.0: BAR 0 [io 0xc040-0xc07f]
[ 4.243163][ T1] pci 0000:00:04.0: BAR 1 [mem 0xfe801000-0xfe80107f]
[ 4.272806][ T1] pci 0000:00:05.0: [1ae0:a002] type 00 class 0x030000 conventional PCI endpoint
[ 4.285866][ T1] pci 0000:00:05.0: BAR 0 [mem 0xfe000000-0xfe7fffff]
[ 4.317757][ T1] pci 0000:00:05.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff]
[ 4.329713][ T1] pci 0000:00:06.0: [1af4:1002] type 00 class 0x00ff00 conventional PCI endpoint
[ 4.341390][ T1] pci 0000:00:06.0: BAR 0 [io 0xc080-0xc09f]
[ 4.348543][ T1] pci 0000:00:06.0: BAR 1 [mem 0xfe802000-0xfe80207f]
[ 4.376630][ T1] pci 0000:00:07.0: [1af4:1005] type 00 class 0x00ff00 conventional PCI endpoint
[ 4.387973][ T1] pci 0000:00:07.0: BAR 0 [io 0xc0a0-0xc0bf]
[ 4.396013][ T1] pci 0000:00:07.0: BAR 1 [mem 0xfe803000-0xfe80303f]
[ 4.481476][ T1] ACPI: PCI: Interrupt link LNKA configured for IRQ 10
[ 4.495349][ T1] ACPI: PCI: Interrupt link LNKB configured for IRQ 10
[ 4.508536][ T1] ACPI: PCI: Interrupt link LNKC configured for IRQ 11
[ 4.522312][ T1] ACPI: PCI: Interrupt link LNKD configured for IRQ 11
[ 4.529440][ T1] ACPI: PCI: Interrupt link LNKS configured for IRQ 9
[ 4.565749][ T1] iommu: Default domain type: Translated
[ 4.566927][ T1] iommu: DMA domain TLB invalidation policy: lazy mode
[ 4.574481][ T1] SCSI subsystem initialized
[ 4.579451][ T1] ACPI: bus type USB registered
[ 4.581306][ T1] usbcore: registered new interface driver usbfs
[ 4.589444][ T1] usbcore: registered new interface driver hub
[ 4.591072][ T1] usbcore: registered new device driver usb
[ 4.594960][ T1] mc: Linux media interface: v0.10
[ 4.596691][ T1] videodev: Linux video capture interface: v2.00
[ 4.601447][ T1] pps_core: LinuxPPS API ver. 1 registered
[ 4.602363][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@...ux.it>
[ 4.605231][ T1] PTP clock support registered
[ 4.609007][ T1] EDAC MC: Ver: 3.0.0
[ 4.616776][ T1] Advanced Linux Sound Architecture Driver Initialized.
[ 4.627872][ T1] Bluetooth: Core ver 2.22
[ 4.629284][ T1] NET: Registered PF_BLUETOOTH protocol family
[ 4.630417][ T1] Bluetooth: HCI device and connection manager initialized
[ 4.631589][ T1] Bluetooth: HCI socket layer initialized
[ 4.632742][ T1] Bluetooth: L2CAP socket layer initialized
[ 4.634185][ T1] Bluetooth: SCO socket layer initialized
[ 4.635853][ T1] NET: Registered PF_ATMPVC protocol family
[ 4.636961][ T1] NET: Registered PF_ATMSVC protocol family
[ 4.638662][ T1] NetLabel: Initializing
[ 4.639413][ T1] NetLabel: domain hash size = 128
[ 4.641372][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO
[ 4.644039][ T1] NetLabel: unlabeled traffic allowed by default
[ 4.649764][ T1] nfc: nfc_init: NFC Core ver 0.1
[ 4.652037][ T1] NET: Registered PF_NFC protocol family
[ 4.653537][ T1] PCI: Using ACPI for IRQ routing
[ 4.656664][ T1] pci 0000:00:05.0: vgaarb: setting as boot VGA device
[ 4.658465][ T1] pci 0000:00:05.0: vgaarb: bridge control possible
[ 4.659754][ T1] pci 0000:00:05.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none
[ 4.661395][ T1] vgaarb: loaded
[ 4.682286][ T1] clocksource: Switched to clocksource kvm-clock
[ 4.691143][ T1] VFS: Disk quotas dquot_6.6.0
[ 4.691361][ T1] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes)
[ 4.696332][ T1] TOMOYO: 2.6.0
[ 4.697632][ T1] Mandatory Access Control activated.
[ 4.706768][ T1] AppArmor: AppArmor Filesystem Enabled
[ 4.709648][ T1] pnp: PnP ACPI init
[ 4.758720][ T1] pnp: PnP ACPI: found 7 devices
[ 4.839879][ T1] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns
[ 4.844298][ T1] NET: Registered PF_INET protocol family
[ 4.847213][ T1] IP idents hash table entries: 131072 (order: 8, 1048576 bytes, linear)
[ 4.862177][ T1] ------------[ cut here ]------------
[ 4.863545][ T1] refcount_t: decrement hit 0; leaking memory.
[ 4.866291][ T1] WARNING: CPU: 0 PID: 1 at lib/refcount.c:31 refcount_warn_saturate+0x1ed/0x210
[ 4.868831][ T1] Modules linked in:
[ 4.869929][ T1] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 6.9.0-rc2-syzkaller-00077-g3d122e6d27e4-dirty #0
[ 4.872557][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
[ 4.874517][ T1] RIP: 0010:refcount_warn_saturate+0x1ed/0x210
[ 4.876676][ T1] Code: 86 e8 87 1c ca fe 90 0f 0b 90 90 e9 c3 fe ff ff e8 e8 f4 03 ff c6 05 d3 4f 3d 07 01 90 48 c7 c7 00 2e e7 86 e8 64 1c ca fe 90 <0f> 0b 90 90 e9 a0 fe ff ff 48 89 ef e8 52 d1 55 ff e9 44 fe ff ff
[ 4.881228][ T1] RSP: 0000:ffffc9000001fba0 EFLAGS: 00010282
[ 4.882527][ T1] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff8118c1a9
[ 4.884580][ T1] RDX: ffff8881012a8000 RSI: ffffffff8118c1b6 RDI: 0000000000000001
[ 4.885990][ T1] RBP: ffff888106ee853c R08: 0000000000000001 R09: 0000000000000000
[ 4.887750][ T1] R10: 0000000000000000 R11: 0000000000000001 R12: ffff888106ee853c
[ 4.890006][ T1] R13: 0000000000000000 R14: 0000000000a40059 R15: ffff888106679f28
[ 4.891526][ T1] FS: 0000000000000000(0000) GS:ffff8881f6400000(0000) knlGS:0000000000000000
[ 4.893530][ T1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 4.895233][ T1] CR2: ffff88823ffff000 CR3: 000000000829e000 CR4: 00000000003506f0
[ 4.897559][ T1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 4.899665][ T1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 4.901169][ T1] Call Trace:
[ 4.901995][ T1] <TASK>
[ 4.902478][ T1] ? show_regs+0x8c/0xa0
[ 4.904000][ T1] ? __warn+0xe5/0x3c0
[ 4.905027][ T1] ? __wake_up_klogd.part.0+0x99/0xf0
[ 4.906240][ T1] ? refcount_warn_saturate+0x1ed/0x210
[ 4.908147][ T1] ? report_bug+0x3c0/0x580
[ 4.909407][ T1] ? handle_bug+0x3d/0x70
[ 4.910307][ T1] ? exc_invalid_op+0x17/0x50
[ 4.911531][ T1] ? asm_exc_invalid_op+0x1a/0x20
[ 4.913111][ T1] ? __warn_printk+0x199/0x350
[ 4.914285][ T1] ? __warn_printk+0x1a6/0x350
[ 4.915687][ T1] ? refcount_warn_saturate+0x1ed/0x210
[ 4.917380][ T1] __reset_page_owner+0x2ea/0x370
[ 4.918474][ T1] __free_pages_ok+0x5d0/0xbd0
[ 4.919831][ T1] ? __split_page_owner+0xdd/0x120
[ 4.921296][ T1] make_alloc_exact+0x165/0x260
[ 4.922990][ T1] alloc_large_system_hash+0x4e0/0x640
[ 4.924052][ T1] inet_hashinfo2_init+0x4b/0xd0
[ 4.925350][ T1] tcp_init+0xba/0x9f0
[ 4.926596][ T1] inet_init+0x419/0x6f0
[ 4.928032][ T1] ? __pfx_inet_init+0x10/0x10
[ 4.929343][ T1] do_one_initcall+0x128/0x700
[ 4.930535][ T1] ? __pfx_do_one_initcall+0x10/0x10
[ 4.932057][ T1] ? trace_kmalloc+0x2d/0xe0
[ 4.932985][ T1] ? __kmalloc+0x213/0x400
[ 4.933838][ T1] kernel_init_freeable+0x69d/0xca0
[ 4.934840][ T1] ? __pfx_kernel_init+0x10/0x10
[ 4.935868][ T1] kernel_init+0x1c/0x2b0
[ 4.937223][ T1] ? __pfx_kernel_init+0x10/0x10
[ 4.938288][ T1] ret_from_fork+0x45/0x80
[ 4.939009][ T1] ? __pfx_kernel_init+0x10/0x10
[ 4.940454][ T1] ret_from_fork_asm+0x1a/0x30
[ 4.941548][ T1] </TASK>
[ 4.942500][ T1] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 4.944326][ T1] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 6.9.0-rc2-syzkaller-00077-g3d122e6d27e4-dirty #0
[ 4.946854][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
[ 4.949083][ T1] Call Trace:
[ 4.950163][ T1] <TASK>
[ 4.950970][ T1] dump_stack_lvl+0x3d/0x1f0
[ 4.951524][ T1] panic+0x6f5/0x7a0
[ 4.951524][ T1] ? __pfx_panic+0x10/0x10
[ 4.951524][ T1] ? show_trace_log_lvl+0x363/0x500
[ 4.951524][ T1] ? check_panic_on_warn+0x1f/0xb0
[ 4.951524][ T1] ? refcount_warn_saturate+0x1ed/0x210
[ 4.951524][ T1] check_panic_on_warn+0xab/0xb0
[ 4.951524][ T1] __warn+0xf1/0x3c0
[ 4.951524][ T1] ? __wake_up_klogd.part.0+0x99/0xf0
[ 4.951524][ T1] ? refcount_warn_saturate+0x1ed/0x210
[ 4.951524][ T1] report_bug+0x3c0/0x580
[ 4.951524][ T1] handle_bug+0x3d/0x70
[ 4.951524][ T1] exc_invalid_op+0x17/0x50
[ 4.951524][ T1] asm_exc_invalid_op+0x1a/0x20
[ 4.951524][ T1] RIP: 0010:refcount_warn_saturate+0x1ed/0x210
[ 4.951524][ T1] Code: 86 e8 87 1c ca fe 90 0f 0b 90 90 e9 c3 fe ff ff e8 e8 f4 03 ff c6 05 d3 4f 3d 07 01 90 48 c7 c7 00 2e e7 86 e8 64 1c ca fe 90 <0f> 0b 90 90 e9 a0 fe ff ff 48 89 ef e8 52 d1 55 ff e9 44 fe ff ff
[ 4.951524][ T1] RSP: 0000:ffffc9000001fba0 EFLAGS: 00010282
[ 4.951524][ T1] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff8118c1a9
[ 4.951524][ T1] RDX: ffff8881012a8000 RSI: ffffffff8118c1b6 RDI: 0000000000000001
[ 4.951524][ T1] RBP: ffff888106ee853c R08: 0000000000000001 R09: 0000000000000000
[ 4.951524][ T1] R10: 0000000000000000 R11: 0000000000000001 R12: ffff888106ee853c
[ 4.951524][ T1] R13: 0000000000000000 R14: 0000000000a40059 R15: ffff888106679f28
[ 4.951524][ T1] ? __warn_printk+0x199/0x350
[ 4.951524][ T1] ? __warn_printk+0x1a6/0x350
[ 4.951524][ T1] __reset_page_owner+0x2ea/0x370
[ 4.951524][ T1] __free_pages_ok+0x5d0/0xbd0
[ 4.951524][ T1] ? __split_page_owner+0xdd/0x120
[ 4.951524][ T1] make_alloc_exact+0x165/0x260
[ 4.951524][ T1] alloc_large_system_hash+0x4e0/0x640
[ 4.951524][ T1] inet_hashinfo2_init+0x4b/0xd0
[ 4.951524][ T1] tcp_init+0xba/0x9f0
[ 4.951524][ T1] inet_init+0x419/0x6f0
[ 4.951524][ T1] ? __pfx_inet_init+0x10/0x10
[ 5.001542][ T1] do_one_initcall+0x128/0x700
[ 5.001542][ T1] ? __pfx_do_one_initcall+0x10/0x10
[ 5.001542][ T1] ? trace_kmalloc+0x2d/0xe0
[ 5.001542][ T1] ? __kmalloc+0x213/0x400
[ 5.001542][ T1] kernel_init_freeable+0x69d/0xca0
[ 5.001542][ T1] ? __pfx_kernel_init+0x10/0x10
[ 5.001542][ T1] kernel_init+0x1c/0x2b0
[ 5.001542][ T1] ? __pfx_kernel_init+0x10/0x10
[ 5.001542][ T1] ret_from_fork+0x45/0x80
[ 5.001542][ T1] ? __pfx_kernel_init+0x10/0x10
[ 5.001542][ T1] ret_from_fork_asm+0x1a/0x30
[ 5.001542][ T1] </TASK>
[ 5.001542][ T1] Rebooting in 86400 seconds..
syzkaller build log:
go env (err=<nil>)
GO111MODULE='auto'
GOARCH='amd64'
GOBIN=''
GOCACHE='/syzkaller/.cache/go-build'
GOENV='/syzkaller/.config/go/env'
GOEXE=''
GOEXPERIMENT=''
GOFLAGS=''
GOHOSTARCH='amd64'
GOHOSTOS='linux'
GOINSECURE=''
GOMODCACHE='/syzkaller/jobs-2/linux/gopath/pkg/mod'
GONOPROXY=''
GONOSUMDB=''
GOOS='linux'
GOPATH='/syzkaller/jobs-2/linux/gopath'
GOPRIVATE=''
GOPROXY='https://proxy.golang.org,direct'
GOROOT='/usr/local/go'
GOSUMDB='sum.golang.org'
GOTMPDIR=''
GOTOOLCHAIN='auto'
GOTOOLDIR='/usr/local/go/pkg/tool/linux_amd64'
GOVCS=''
GOVERSION='go1.21.4'
GCCGO='gccgo'
GOAMD64='v1'
AR='ar'
CC='gcc'
CXX='g++'
CGO_ENABLED='1'
GOMOD='/syzkaller/jobs-2/linux/gopath/src/github.com/google/syzkaller/go.mod'
GOWORK=''
CGO_CFLAGS='-O2 -g'
CGO_CPPFLAGS=''
CGO_CXXFLAGS='-O2 -g'
CGO_FFLAGS='-O2 -g'
CGO_LDFLAGS='-O2 -g'
PKG_CONFIG='pkg-config'
GOGCCFLAGS='-fPIC -m64 -pthread -Wl,--no-gc-sections -fmessage-length=0 -ffile-prefix-map=/tmp/go-build1222580029=/tmp/go-build -gno-record-gcc-switches'
git status (err=<nil>)
HEAD detached at 171ec3714
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}}' ./sys/syz-sysgen | grep -q false || go install ./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=171ec3714ee4886a3f5ecbfe71f63c8f81c7fd7c -X 'github.com/google/syzkaller/prog.gitRevisionDate=20240409-121653'" "-tags=syz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-fuzzer github.com/google/syzkaller/syz-fuzzer
GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/prog.GitRevision=171ec3714ee4886a3f5ecbfe71f63c8f81c7fd7c -X 'github.com/google/syzkaller/prog.gitRevisionDate=20240409-121653'" "-tags=syz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-execprog github.com/google/syzkaller/tools/syz-execprog
GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/prog.GitRevision=171ec3714ee4886a3f5ecbfe71f63c8f81c7fd7c -X 'github.com/google/syzkaller/prog.gitRevisionDate=20240409-121653'" "-tags=syz_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 -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 -fpermissive -w -DGOOS_linux=1 -DGOARCH_amd64=1 \
-DHOSTGOOS_linux=1 -DGIT_REVISION=\"171ec3714ee4886a3f5ecbfe71f63c8f81c7fd7c\"
Error text is too large and was truncated, full error text is at:
https://syzkaller.appspot.com/x/error.txt?x=10eba243180000
Tested on:
commit: 3d122e6d usb: typec: mux: gpio-sbu: Allow GPIO operati..
git tree: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing
kernel config: https://syzkaller.appspot.com/x/.config?x=bd9338c1f703fa5f
dashboard link: https://syzkaller.appspot.com/bug?extid=d0f14b2d5a3d1587fbe7
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
patch: https://syzkaller.appspot.com/x/patch.diff?x=1182aaf5180000
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