[syzbot] [mm?] upstream boot error: WARNING: refcount bug in __reset_page_owner

[syzbot]

Hello,

syzbot found the following issue on:

HEAD commit: f6cef5f8c37f Merge tag 'i3c/for-6.9' of git://git.kernel.o..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=119f21f1180000
kernel config: https://syzkaller.appspot.com/x/.config?x=1bc79b17d66836c3
dashboard link: https://syzkaller.appspot.com/bug?extid=41bbfdb8d41003d12c0f
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40

Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/343571f33be3/disk-f6cef5f8.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/15f7478fde42/vmlinux-f6cef5f8.xz
kernel image: https://storage.googleapis.com/syzbot-assets/e71e321ebc91/bzImage-f6cef5f8.xz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+41bbfd...@syzkaller.appspotmail.com

Asymmetric key parser 'pkcs8' registered
Key type pkcs7_test registered
Block layer SCSI generic (bsg) driver version 0.4 loaded (major 239)
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: button: Power Button [PWRF]
input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1
ACPI: button: Sleep Button [SLPF]
ioatdma: Intel(R) QuickData Technology Driver 5.00
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
N_HDLC line discipline registered with maxframe=4096
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
[drm] Initialized vgem 1.0.0 20120112 for vgem on minor 0
[drm] Initialized vkms 1.0.0 20180514 for vkms on minor 1
Console: switching to colour frame buffer device 128x48
platform vkms: [drm] fb0: vkmsdrmfb frame buffer device
usbcore: registered new interface driver udl
brd: module loaded
loop: module loaded
zram: Added device: zram0
null_blk: disk nullb0 created
null_blk: module loaded
Guest personality initialized and is inactive
VMCI host device registered (name=vmci, major=10, minor=118)
Initialized host personality
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
nfcsim 0.2 initialized
usbcore: registered new interface driver port100
usbcore: registered new interface driver nfcmrvl
Loading iSCSI transport class v2.0-870.
virtio_scsi virtio0: 1/0/0 default/read/poll queues
------------[ cut here ]------------
refcount_t: decrement hit 0; leaking memory.
WARNING: CPU: 1 PID: 1 at lib/refcount.c:31 refcount_warn_saturate+0x1ed/0x210 lib/refcount.c:31
Modules linked in:
CPU: 1 PID: 1 Comm: swapper/0 Not tainted 6.8.0-syzkaller-11409-gf6cef5f8c37f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
RIP: 0010:refcount_warn_saturate+0x1ed/0x210 lib/refcount.c:31
Code: 8b e8 77 85 d5 fc 90 0f 0b 90 90 e9 c3 fe ff ff e8 98 e7 12 fd c6 05 ad b6 0e 0b 01 90 48 c7 c7 80 a1 6e 8b e8 54 85 d5 fc 90 <0f> 0b 90 90 e9 a0 fe ff ff 48 89 ef e8 12 7b 6e fd e9 44 fe ff ff
RSP: 0018:ffffc900000673c0 EFLAGS: 00010286
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff81510449
RDX: ffff8880166d8000 RSI: ffffffff81510456 RDI: 0000000000000001
RBP: ffff888020c2d70c R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: ffff888020c2d70c
R13: 0000000000000000 R14: 0000000002de00b7 R15: ffff888140425588
FS: 0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000000d57a000 CR4: 0000000000350ef0
Call Trace:
<TASK>
__refcount_dec include/linux/refcount.h:336 [inline]
refcount_dec include/linux/refcount.h:351 [inline]
dec_stack_record_count mm/page_owner.c:215 [inline]
__reset_page_owner+0x2ea/0x370 mm/page_owner.c:253
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1141 [inline]
__free_pages_ok+0x5a9/0xbf0 mm/page_alloc.c:1270
make_alloc_exact+0x165/0x260 mm/page_alloc.c:4829
vring_alloc_queue drivers/virtio/virtio_ring.c:319 [inline]
vring_alloc_queue+0xc1/0x110 drivers/virtio/virtio_ring.c:311
vring_alloc_queue_split+0x186/0x510 drivers/virtio/virtio_ring.c:1108
vring_create_virtqueue_split+0xe8/0x280 drivers/virtio/virtio_ring.c:1158
vring_create_virtqueue+0xd7/0x140 drivers/virtio/virtio_ring.c:2683
setup_vq+0x123/0x2f0 drivers/virtio/virtio_pci_legacy.c:131
vp_setup_vq+0xb4/0x380 drivers/virtio/virtio_pci_common.c:189
vp_find_vqs_msix+0x661/0xe30 drivers/virtio/virtio_pci_common.c:331
vp_find_vqs+0x58/0x560 drivers/virtio/virtio_pci_common.c:408
virtio_find_vqs include/linux/virtio_config.h:233 [inline]
virtscsi_init+0x45c/0x9f0 drivers/scsi/virtio_scsi.c:887
virtscsi_probe+0x3b2/0xdd0 drivers/scsi/virtio_scsi.c:945
virtio_dev_probe+0x602/0x9b0 drivers/virtio/virtio.c:311
call_driver_probe drivers/base/dd.c:579 [inline]
really_probe+0x23d/0xcb0 drivers/base/dd.c:658
__driver_probe_device+0x1de/0x4b0 drivers/base/dd.c:800
driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:830
__driver_attach+0x283/0x580 drivers/base/dd.c:1216
bus_for_each_dev+0x13f/0x1d0 drivers/base/bus.c:368
bus_add_driver+0x2ed/0x640 drivers/base/bus.c:673
driver_register+0x15c/0x4b0 drivers/base/driver.c:246
virtio_scsi_init+0x75/0x100 drivers/scsi/virtio_scsi.c:1083
do_one_initcall+0x12b/0x690 init/main.c:1238
do_initcall_level init/main.c:1300 [inline]
do_initcalls init/main.c:1316 [inline]
do_basic_setup init/main.c:1335 [inline]
kernel_init_freeable+0x69d/0xc40 init/main.c:1548
kernel_init+0x1c/0x2b0 init/main.c:1437
ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:243
</TASK>


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[Tetsuo Handa]

#syz fix: mm,page_owner: Fix refcount imbalance

[Tetsuo Handa]

#syz fix: mm,page_owner: fix refcount imbalance