syzbot


net-next boot error: WARNING: workqueue cpumask: online intersect > possible intersect (2)

Status: closed as dup on 2019/07/24 17:35
Reported-by: syzbot+3055cb4fd9eb553bd76c@syzkaller.appspotmail.com
First crash: 1950d, last: 1935d
Duplicate of
Title Repro Cause bisect Fix bisect Count Last Reported
linux-next boot error: WARNING: workqueue cpumask: online intersect > possible intersect 52 1893d 1996d
Discussions (1)
Title Replies (including bot) Last reply
net-next boot error: WARNING: workqueue cpumask: online intersect > possible intersect (2) 1 (2) 2019/07/24 17:35
Similar bugs (1)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream net-next boot error: WARNING: workqueue cpumask: online intersect > possible intersect 3 2020d 2020d 0/28 closed as invalid on 2019/05/16 02:04

Sample crash report:
smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.30GHz (family: 0x6, model: 0x3f, stepping: 0x0)
Performance Events: unsupported p6 CPU model 63 no PMU driver, software events only.
rcu: Hierarchical SRCU implementation.
NMI watchdog: Perf NMI watchdog permanently disabled
smp: Bringing up secondary CPUs ...
x86: Booting SMP configuration:
.... node  #0, CPUs:      #1
MDS CPU bug present and SMT on, data leak possible. See https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/mds.html for more details.
smp: Brought up 2 nodes, 2 CPUs
smpboot: Max logical packages: 1
smpboot: Total of 2 processors activated (9199.99 BogoMIPS)
devtmpfs: initialized
clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
futex hash table entries: 512 (order: 4, 65536 bytes, vmalloc)
xor: automatically using best checksumming function   avx       
PM: RTC time: 23:58:21, date: 2019-08-06
NET: Registered protocol family 16
audit: initializing netlink subsys (disabled)
cpuidle: using governor menu
ACPI: bus type PCI registered
dca service started, version 1.12.1
PCI: Using configuration type 1 for base access
WARNING: workqueue cpumask: online intersect > possible intersect
HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages
HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages
cryptd: max_cpu_qlen set to 1000
raid6: avx2x4   gen() 11296 MB/s
raid6: avx2x4   xor()  6552 MB/s
raid6: avx2x2   gen()  7794 MB/s
raid6: avx2x2   xor()  3948 MB/s
raid6: avx2x1   gen()  4026 MB/s
raid6: avx2x1   xor()  2048 MB/s
raid6: sse2x4   gen()  5766 MB/s
raid6: sse2x4   xor()  3546 MB/s
raid6: sse2x2   gen()  3938 MB/s
raid6: sse2x2   xor()  2006 MB/s
raid6: sse2x1   gen()  1853 MB/s
raid6: sse2x1   xor()  1020 MB/s
raid6: using algorithm avx2x4 gen() 11296 MB/s
raid6: .... xor() 6552 MB/s, rmw enabled
raid6: using avx2x2 recovery algorithm
ACPI: Added _OSI(Module Device)
ACPI: Added _OSI(Processor Device)
ACPI: Added _OSI(3.0 _SCP Extensions)
ACPI: Added _OSI(Processor Aggregator Device)
ACPI: Added _OSI(Linux-Dell-Video)
ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio)
ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics)
ACPI: 2 ACPI AML tables successfully acquired and loaded
ACPI: Interpreter enabled
ACPI: (supports S0 S3 S4 S5)
ACPI: Using IOAPIC for interrupt routing
PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug
ACPI: Enabled 16 GPEs in block 00 to 0F
ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff])
acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI HPX-Type3]
acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge.
PCI host bridge to bus 0000:00
pci_bus 0000:00: root bus resource [io  0x0000-0x0cf7 window]
pci_bus 0000:00: root bus resource [io  0x0d00-0xffff window]
pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window]
pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window]
pci_bus 0000:00: root bus resource [bus 00-ff]
pci 0000:00:00.0: [8086:1237] type 00 class 0x060000
pci 0000:00:01.0: [8086:7110] type 00 class 0x060100
pci 0000:00:01.3: [8086:7113] type 00 class 0x068000
pci 0000:00:01.3: quirk: [io  0xb000-0xb03f] claimed by PIIX4 ACPI
pci 0000:00:03.0: [1af4:1004] type 00 class 0x000000
pci 0000:00:03.0: reg 0x10: [io  0xc000-0xc03f]
pci 0000:00:03.0: reg 0x14: [mem 0xfebfe000-0xfebfe07f]
pci 0000:00:04.0: [1af4:1000] type 00 class 0x020000
pci 0000:00:04.0: reg 0x10: [io  0xc040-0xc07f]
pci 0000:00:04.0: reg 0x14: [mem 0xfebff000-0xfebff07f]
ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11)
ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11)
ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11)
ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11)
ACPI: PCI Interrupt Link [LNKS] (IRQs *9)
vgaarb: loaded
SCSI subsystem initialized
ACPI: bus type USB registered
usbcore: registered new interface driver usbfs
usbcore: registered new interface driver hub
usbcore: registered new device driver usb
mc: Linux media interface: v0.10
videodev: Linux video capture interface: v2.00
pps_core: LinuxPPS API ver. 1 registered
pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>
PTP clock support registered
EDAC MC: Ver: 3.0.0
Advanced Linux Sound Architecture Driver Initialized.
PCI: Using ACPI for IRQ routing
Bluetooth: Core ver 2.22
NET: Registered protocol family 31
Bluetooth: HCI device and connection manager initialized
Bluetooth: HCI socket layer initialized
Bluetooth: L2CAP socket layer initialized
Bluetooth: SCO socket layer initialized
NET: Registered protocol family 8
NET: Registered protocol family 20
NetLabel: Initializing
NetLabel:  domain hash size = 128
NetLabel:  protocols = UNLABELED CIPSOv4 CALIPSO
NetLabel:  unlabeled traffic allowed by default
nfc: nfc_init: NFC Core ver 0.1
NET: Registered protocol family 39
clocksource: Switched to clocksource kvm-clock
VFS: Disk quotas dquot_6.6.0
VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes)
FS-Cache: Loaded
*** VALIDATE hugetlbfs ***
CacheFiles: Loaded
TOMOYO: 2.6.0
Mandatory Access Control activated.
AppArmor: AppArmor Filesystem Enabled
pnp: PnP ACPI init
pnp: PnP ACPI: found 7 devices
thermal_sys: Registered thermal governor 'step_wise'
thermal_sys: Registered thermal governor 'user_space'
clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns
pci_bus 0000:00: resource 4 [io  0x0000-0x0cf7 window]
pci_bus 0000:00: resource 5 [io  0x0d00-0xffff window]
pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window]
pci_bus 0000:00: resource 7 [mem 0xc0000000-0xfebfffff window]
NET: Registered protocol family 2
tcp_listen_portaddr_hash hash table entries: 4096 (order: 6, 294912 bytes, vmalloc)
TCP established hash table entries: 65536 (order: 7, 524288 bytes, vmalloc)
TCP bind hash table entries: 65536 (order: 10, 4194304 bytes, vmalloc)
TCP: Hash tables configured (established 65536 bind 65536)
UDP hash table entries: 4096 (order: 7, 655360 bytes, vmalloc)
UDP-Lite hash table entries: 4096 (order: 7, 655360 bytes, vmalloc)
NET: Registered protocol family 1
RPC: Registered named UNIX socket transport module.
RPC: Registered udp transport module.
RPC: Registered tcp transport module.
RPC: Registered tcp NFSv4.1 backchannel transport module.
NET: Registered protocol family 44
pci 0000:00:00.0: Limiting direct PCI/PCI transfers
PCI: CLS 0 bytes, default 64
PCI-DMA: Using software bounce buffering for IO (SWIOTLB)
software IO TLB: mapped [mem 0xaa800000-0xae800000] (64MB)
RAPL PMU: API unit is 2^-32 Joules, 0 fixed counters, 10737418240 ms ovfl timer
kvm: already loaded the other module
clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x212733415c7, max_idle_ns: 440795236380 ns
clocksource: Switched to clocksource tsc
mce: Machine check injector initialized
check: Scanning for low memory corruption every 60 seconds
Initialise system trusted keyrings
workingset: timestamp_bits=40 max_order=21 bucket_order=0
zbud: loaded
DLM installed
squashfs: version 4.0 (2009/01/31) Phillip Lougher
FS-Cache: Netfs 'nfs' registered for caching
NFS: Registering the id_resolver key type
Key type id_resolver registered
Key type id_legacy registered
nfs4filelayout_init: NFSv4 File Layout Driver Registering...
Installing knfsd (copyright (C) 1996 okir@monad.swb.de).
ntfs: driver 2.1.32 [Flags: R/W].
fuse: init (API version 7.31)
JFS: nTxBlock = 8192, nTxLock = 65536
SGI XFS with ACLs, security attributes, realtime, no debug enabled
9p: Installing v9fs 9p2000 file system support
FS-Cache: Netfs '9p' registered for caching
gfs2: GFS2 installed
FS-Cache: Netfs 'ceph' registered for caching
ceph: loaded (mds proto 32)
NET: Registered protocol family 38
async_tx: api initialized (async)
Key type asymmetric registered
Asymmetric key parser 'x509' registered
Asymmetric key parser 'pkcs8' registered
Key type pkcs7_test registered
Asymmetric key parser 'tpm_parser' registered
Block layer SCSI generic (bsg) driver version 0.4 loaded (major 246)
io scheduler mq-deadline registered
io scheduler kyber registered
io scheduler bfq registered
input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0
ACPI: Power Button [PWRF]
input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1
ACPI: Sleep Button [SLPF]
ioatdma: Intel(R) QuickData Technology Driver 5.00
PCI Interrupt Link [LNKC] enabled at IRQ 11
virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver
PCI Interrupt Link [LNKD] enabled at IRQ 10
virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver
HDLC line discipline maxframe=4096
N_HDLC line discipline registered.
Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled
00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A
00:04: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A
00:05: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A
00:06: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = 115200) is a 16550A
Non-volatile memory driver v1.3
Linux agpgart interface v0.103
[drm] Initialized vgem 1.0.0 20120112 for vgem on minor 0
[drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[drm] Driver supports precise vblank timestamp query.
[drm] Initialized vkms 1.0.0 20180514 for vkms on minor 1
usbcore: registered new interface driver udl
brd: module loaded
loop: module loaded
zram: Added device: zram0
null: module loaded
nfcsim 0.2 initialized
Loading iSCSI transport class v2.0-870.
scsi host0: Virtio SCSI HBA
st: Version 20160209, fixed bufsize 32768, s/g segs 256
kobject: 'sd' (000000007ea62d76): kobject_uevent_env
kobject: 'sd' (000000007ea62d76): fill_kobj_path: path = '/bus/scsi/drivers/sd'
kobject: 'sr' (00000000fa9656b1): kobject_add_internal: parent: 'drivers', set: 'drivers'
kobject: 'sr' (00000000fa9656b1): kobject_uevent_env
kobject: 'sr' (00000000fa9656b1): fill_kobj_path: path = '/bus/scsi/drivers/sr'
kobject: 'scsi_generic' (00000000536d525b): kobject_add_internal: parent: 'class', set: 'class'
kobject: 'scsi_generic' (00000000536d525b): kobject_uevent_env
kobject: 'scsi_generic' (00000000536d525b): fill_kobj_path: path = '/class/scsi_generic'
kobject: 'nvme-wq' (0000000078e95aaa): kobject_add_internal: parent: 'workqueue', set: 'devices'
kobject: 'nvme-wq' (0000000078e95aaa): kobject_uevent_env
kobject: 'nvme-wq' (0000000078e95aaa): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'nvme-wq' (0000000078e95aaa): kobject_uevent_env
kobject: 'nvme-wq' (0000000078e95aaa): fill_kobj_path: path = '/devices/virtual/workqueue/nvme-wq'
kobject: 'nvme-reset-wq' (0000000089d65dfe): kobject_add_internal: parent: 'workqueue', set: 'devices'
kobject: 'nvme-reset-wq' (0000000089d65dfe): kobject_uevent_env
kobject: 'nvme-reset-wq' (0000000089d65dfe): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'nvme-reset-wq' (0000000089d65dfe): kobject_uevent_env
kobject: 'nvme-reset-wq' (0000000089d65dfe): fill_kobj_path: path = '/devices/virtual/workqueue/nvme-reset-wq'
kobject: 'nvme-delete-wq' (0000000092f1eb87): kobject_add_internal: parent: 'workqueue', set: 'devices'
kobject: 'nvme-delete-wq' (0000000092f1eb87): kobject_uevent_env
kobject: 'nvme-delete-wq' (0000000092f1eb87): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'nvme-delete-wq' (0000000092f1eb87): kobject_uevent_env
kobject: 'nvme-delete-wq' (0000000092f1eb87): fill_kobj_path: path = '/devices/virtual/workqueue/nvme-delete-wq'
kobject: 'nvme' (00000000e0a0d4ec): kobject_add_internal: parent: 'class', set: 'class'
kobject: 'nvme' (00000000e0a0d4ec): kobject_uevent_env
kobject: 'nvme' (00000000e0a0d4ec): fill_kobj_path: path = '/class/nvme'
kobject: 'nvme-subsystem' (00000000b885d8b0): kobject_add_internal: parent: 'class', set: 'class'
kobject: 'nvme-subsystem' (00000000b885d8b0): kobject_uevent_env
kobject: 'nvme-subsystem' (00000000b885d8b0): fill_kobj_path: path = '/class/nvme-subsystem'
kobject: 'nvme' (0000000050100ce5): kobject_add_internal: parent: 'drivers', set: 'drivers'
kobject: 'drivers' (000000008a1304fc): kobject_add_internal: parent: 'nvme', set: '<NULL>'
kobject: 'nvme' (0000000050100ce5): kobject_uevent_env
kobject: 'nvme' (0000000050100ce5): fill_kobj_path: path = '/bus/pci/drivers/nvme'
kobject: 'ahci' (00000000b6bdd909): kobject_add_internal: parent: 'drivers', set: 'drivers'

Crashes (160):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2019/08/07 00:08 net-next-old 267df70fe81b c6f01e54 .config console log report ci-upstream-net-kasan-gce
2019/08/06 16:01 net-next-old 0dfa0bed9662 c6f01e54 .config console log report ci-upstream-net-kasan-gce
2019/08/06 04:35 net-next-old 0dfa0bed9662 6affd8e8 .config console log report ci-upstream-net-kasan-gce
2019/08/06 00:42 net-next-old 0dfa0bed9662 6affd8e8 .config console log report ci-upstream-net-kasan-gce
2019/08/05 18:11 net-next-old a9e21bea1f81 6affd8e8 .config console log report ci-upstream-net-kasan-gce
2019/08/05 06:36 net-next-old 9e8fb25254f7 6affd8e8 .config console log report ci-upstream-net-kasan-gce
2019/08/04 18:26 net-next-old 9e8fb25254f7 6affd8e8 .config console log report ci-upstream-net-kasan-gce
2019/08/04 15:51 net-next-old 9e8fb25254f7 6affd8e8 .config console log report ci-upstream-net-kasan-gce
2019/08/04 09:15 net-next-old 9e8fb25254f7 6affd8e8 .config console log report ci-upstream-net-kasan-gce
2019/08/03 22:48 net-next-old 9e8fb25254f7 6affd8e8 .config console log report ci-upstream-net-kasan-gce
2019/08/03 18:16 net-next-old 856a27236ee3 6affd8e8 .config console log report ci-upstream-net-kasan-gce
2019/08/03 07:58 net-next-old 4de97b0c86fc 6affd8e8 .config console log report ci-upstream-net-kasan-gce
2019/08/03 02:45 net-next-old 4a9866179d51 6affd8e8 .config console log report ci-upstream-net-kasan-gce
2019/08/03 02:45 net-next-old 4a9866179d51 6affd8e8 .config console log report ci-upstream-net-kasan-gce
2019/08/02 22:06 net-next-old 7c5b42055964 6affd8e8 .config console log report ci-upstream-net-kasan-gce
2019/08/02 01:25 net-next-old 7c5b42055964 835dffe7 .config console log report ci-upstream-net-kasan-gce
2019/08/01 23:41 net-next-old a8e600e2184f 835dffe7 .config console log report ci-upstream-net-kasan-gce
2019/08/01 18:29 net-next-old 0ae9fce32c5e 835dffe7 .config console log report ci-upstream-net-kasan-gce
2019/08/01 15:40 net-next-old 3247b272048f 835dffe7 .config console log report ci-upstream-net-kasan-gce
2019/08/01 09:16 net-next-old 3247b272048f c692b5bd .config console log report ci-upstream-net-kasan-gce
2019/08/01 03:31 net-next-old 3247b272048f c692b5bd .config console log report ci-upstream-net-kasan-gce
2019/08/01 03:30 net-next-old 3247b272048f c692b5bd .config console log report ci-upstream-net-kasan-gce
2019/07/31 22:03 net-next-old 6a7ce95d752e c692b5bd .config console log report ci-upstream-net-kasan-gce
2019/07/31 16:49 net-next-old 164f0de315ce c692b5bd .config console log report ci-upstream-net-kasan-gce
2019/07/31 14:17 net-next-old 5133f36cef46 c692b5bd .config console log report ci-upstream-net-kasan-gce
2019/07/31 00:11 net-next-old 5133f36cef46 7c7ded69 .config console log report ci-upstream-net-kasan-gce
2019/07/30 22:22 net-next-old 6ca04afbf981 7c7ded69 .config console log report ci-upstream-net-kasan-gce
2019/07/30 08:06 net-next-old 85fd8011475e f28bf2a5 .config console log report ci-upstream-net-kasan-gce
2019/07/30 01:17 net-next-old 473d924d7d46 f67095ee .config console log report ci-upstream-net-kasan-gce
2019/07/29 18:36 net-next-old c51ab067c531 f67095ee .config console log report ci-upstream-net-kasan-gce
2019/07/28 04:00 net-next-old ca4ac16817fe c85e1c5b .config console log report ci-upstream-net-kasan-gce
2019/07/27 21:58 net-next-old ddfbee9e3204 c85e1c5b .config console log report ci-upstream-net-kasan-gce
2019/07/27 21:58 net-next-old ddfbee9e3204 c85e1c5b .config console log report ci-upstream-net-kasan-gce
2019/07/27 20:15 net-next-old cd8ae2073963 c85e1c5b .config console log report ci-upstream-net-kasan-gce
2019/07/27 02:02 net-next-old cd8ae2073963 c85e1c5b .config console log report ci-upstream-net-kasan-gce
2019/07/26 09:31 net-next-old 00c33afbf9dd 3e5d1beb .config console log report ci-upstream-net-kasan-gce
2019/07/26 03:04 net-next-old b591c6f620ac 732bc5a0 .config console log report ci-upstream-net-kasan-gce
2019/07/25 20:00 net-next-old c93496e9f768 732bc5a0 .config console log report ci-upstream-net-kasan-gce
2019/07/25 20:00 net-next-old c93496e9f768 732bc5a0 .config console log report ci-upstream-net-kasan-gce
2019/07/25 20:00 net-next-old c93496e9f768 732bc5a0 .config console log report ci-upstream-net-kasan-gce
2019/07/25 17:17 net-next-old 9eed21c01c78 732bc5a0 .config console log report ci-upstream-net-kasan-gce
2019/07/25 17:17 net-next-old 9eed21c01c78 732bc5a0 .config console log report ci-upstream-net-kasan-gce
2019/07/25 17:17 net-next-old 9eed21c01c78 732bc5a0 .config console log report ci-upstream-net-kasan-gce
2019/07/25 00:05 net-next-old 9eed21c01c78 32329ceb .config console log report ci-upstream-net-kasan-gce
2019/07/25 00:05 net-next-old 9eed21c01c78 32329ceb .config console log report ci-upstream-net-kasan-gce
2019/07/24 23:29 net-next-old 570d785ba46b 32329ceb .config console log report ci-upstream-net-kasan-gce
2019/07/22 20:37 net-next-old 7b5cf701ea9c b3c615f5 .config console log report ci-upstream-net-kasan-gce
* Struck through repros no longer work on HEAD.