[syzbot] usb-testing boot error: WARNING in __netif_set_xps_queue

[syzbot]

Hello,

syzbot found the following issue on:

HEAD commit: 9abf2313adc1 Linux 6.1-rc1
git tree: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing
console output: https://syzkaller.appspot.com/x/log.txt?x=15c16c3c880000
kernel config: https://syzkaller.appspot.com/x/.config?x=c62bac73287f46bf
dashboard link: https://syzkaller.appspot.com/bug?extid=a30f71cf20b71d5950e7
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2

Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/f1e5f3ebfe6d/disk-9abf2313.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/a75cbc21a548/vmlinux-9abf2313.xz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+a30f71...@syzkaller.appspotmail.com

software IO TLB: mapped [mem 0x00000000bbffd000-0x00000000bfffd000] (64MB)
RAPL PMU: API unit is 2^-32 Joules, 0 fixed counters, 10737418240 ms ovfl timer
clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x1fb702bab20, max_idle_ns: 440795313305 ns
clocksource: Switched to clocksource tsc
Initialise system trusted keyrings
workingset: timestamp_bits=40 max_order=21 bucket_order=0
NFS: Registering the id_resolver key type
Key type id_resolver registered
Key type id_legacy registered
9p: Installing v9fs 9p2000 file system support
Key type asymmetric registered
Asymmetric key parser 'x509' registered
Block layer SCSI generic (bsg) driver version 0.4 loaded (major 246)
io scheduler mq-deadline registered
io scheduler kyber registered
usbcore: registered new interface driver udlfb
usbcore: registered new interface driver smscufx
input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0
ACPI: button: Power Button [PWRF]
input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1
ACPI: button: Sleep Button [SLPF]
ACPI: \_SB_.LNKC: Enabled at IRQ 11
virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver
ACPI: \_SB_.LNKD: Enabled at IRQ 10
virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver
ACPI: \_SB_.LNKB: Enabled at IRQ 10
virtio-pci 0000:00:06.0: virtio_pci: leaving for legacy driver
virtio-pci 0000:00:07.0: virtio_pci: leaving for legacy driver
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
ACPI: bus type drm_connector registered
usbcore: registered new interface driver udl
loop: module loaded
usbcore: registered new interface driver rtsx_usb
usbcore: registered new interface driver viperboard
usbcore: registered new interface driver dln2
usbcore: registered new interface driver pn533_usb
usbcore: registered new interface driver port100
usbcore: registered new interface driver nfcmrvl
scsi host0: Virtio SCSI HBA
scsi 0:0:1:0: Direct-Access Google PersistentDisk 1 PQ: 0 ANSI: 6
sd 0:0:1:0: Attached scsi generic sg0 type 0
Rounding down aligned max_sectors from 4294967295 to 4294967288
db_root: cannot open: /etc/target
------------[ cut here ]------------
WARNING: CPU: 0 PID: 1 at include/linux/cpumask.h:110 cpu_max_bits_warn include/linux/cpumask.h:110 [inline]
WARNING: CPU: 0 PID: 1 at include/linux/cpumask.h:110 netif_attrmask_next_and include/linux/netdevice.h:3689 [inline]
WARNING: CPU: 0 PID: 1 at include/linux/cpumask.h:110 __netif_set_xps_queue+0x8a1/0x1f50 net/core/dev.c:2592
Modules linked in:
CPU: 0 PID: 1 Comm: swapper/0 Not tainted 6.1.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022
RIP: 0010:cpu_max_bits_warn include/linux/cpumask.h:110 [inline]
RIP: 0010:netif_attrmask_next_and include/linux/netdevice.h:3689 [inline]
RIP: 0010:__netif_set_xps_queue+0x8a1/0x1f50 net/core/dev.c:2592
Code: fc 48 c7 c2 60 24 f8 86 be 2e 0a 00 00 48 c7 c7 00 23 f8 86 c6 05 d6 8e f0 03 01 e8 14 7c e9 00 e9 ef fd ff ff e8 0f 5f 60 fc <0f> 0b e9 8e fa ff ff 8b 6c 24 38 e8 ff 5e 60 fc 49 8d 7c 24 04 48
RSP: 0000:ffffc9000001f898 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000000002 RCX: 0000000000000000
RDX: ffff8881002b0000 RSI: ffffffff84e66611 RDI: 0000000000000004
RBP: 0000000000000002 R08: 0000000000000004 R09: 0000000000000002
R10: 0000000000000002 R11: 0000000000052041 R12: ffff88810e97bb00
R13: 0000000000000003 R14: ffff88810e97bb18 R15: 0000000000000002
FS: 0000000000000000(0000) GS:ffff8881f6800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffff88823ffff000 CR3: 0000000007825000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
virtnet_set_affinity+0x4f0/0x750 drivers/net/virtio_net.c:2308
init_vqs drivers/net/virtio_net.c:3581 [inline]
init_vqs drivers/net/virtio_net.c:3567 [inline]
virtnet_probe+0x12ae/0x33a0 drivers/net/virtio_net.c:3884
virtio_dev_probe+0x577/0x870 drivers/virtio/virtio.c:305
call_driver_probe drivers/base/dd.c:560 [inline]
really_probe+0x249/0xb90 drivers/base/dd.c:639
__driver_probe_device+0x1df/0x4d0 drivers/base/dd.c:778
driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:808
__driver_attach+0x1d0/0x550 drivers/base/dd.c:1190
bus_for_each_dev+0x147/0x1d0 drivers/base/bus.c:301
bus_add_driver+0x4c9/0x640 drivers/base/bus.c:618
driver_register+0x220/0x3a0 drivers/base/driver.c:246
virtio_net_driver_init+0x93/0xd2 drivers/net/virtio_net.c:4090
do_one_initcall+0x13d/0x780 init/main.c:1303
do_initcall_level init/main.c:1376 [inline]
do_initcalls init/main.c:1392 [inline]
do_basic_setup init/main.c:1411 [inline]
kernel_init_freeable+0x6fa/0x783 init/main.c:1631
kernel_init+0x1a/0x1d0 init/main.c:1519
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
</TASK>


---
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[Jakub Kicinski]

On Mon, 17 Oct 2022 00:42:43 -0700 syzbot wrote:
> Hello,
>
> syzbot found the following issue on:
>
> HEAD commit: 9abf2313adc1 Linux 6.1-rc1
> git tree: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing
> console output: https://syzkaller.appspot.com/x/log.txt?x=15c16c3c880000
> kernel config: https://syzkaller.appspot.com/x/.config?x=c62bac73287f46bf
> dashboard link: https://syzkaller.appspot.com/bug?extid=a30f71cf20b71d5950e7
> compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2

#syz fix: Revert "net: fix cpu_max_bits_warn() usage in netif_attrmask_next{,_and}"