syzbot


linux-next boot error: WARNING: refcount bug in __free_pages_ok

Status: upstream: reported on 2024/02/19 05:06
Subsystems: virt
[Documentation on labels]
Reported-by: syzbot+6f3c38e8a6a0297caa5a@syzkaller.appspotmail.com
Fix commit: mm,page_owner: Fix refcount imbalance
Patched on: [], missing on: [ci-qemu-upstream ci-qemu-upstream-386 ci-qemu2-arm32 ci-qemu2-arm64 ci-qemu2-arm64-compat ci-qemu2-arm64-mte ci-qemu2-riscv64 ci-upstream-bpf-kasan-gce ci-upstream-bpf-next-kasan-gce ci-upstream-gce-arm64 ci-upstream-gce-leak ci-upstream-kasan-badwrites-root ci-upstream-kasan-gce ci-upstream-kasan-gce-386 ci-upstream-kasan-gce-root ci-upstream-kasan-gce-selinux-root ci-upstream-kasan-gce-smack-root ci-upstream-kmsan-gce-386-root ci-upstream-kmsan-gce-root ci-upstream-linux-next-kasan-gce-root ci-upstream-net-kasan-gce ci-upstream-net-this-kasan-gce ci2-upstream-fs ci2-upstream-kcsan-gce ci2-upstream-net-next-test-gce ci2-upstream-usb]
First crash: 63d, last: 22d
Discussions (1)
Title Replies (including bot) Last reply
[syzbot] [virtualization?] linux-next boot error: WARNING: refcount bug in __free_pages_ok 5 (6) 2024/03/26 11:19

Sample crash report:
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
virtio-pci 0000:00:07.0: 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: 0 PID: 1 at lib/refcount.c:31 refcount_warn_saturate+0xfa/0x1d0 lib/refcount.c:31
Modules linked in:
CPU: 0 PID: 1 Comm: swapper/0 Not tainted 6.9.0-rc1-next-20240327-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
RIP: 0010:refcount_warn_saturate+0xfa/0x1d0 lib/refcount.c:31
Code: b2 00 00 00 e8 37 6d e9 fc 5b 5d c3 cc cc cc cc e8 2b 6d e9 fc c6 05 c8 32 e8 0a 01 90 48 c7 c7 00 26 1f 8c e8 77 02 ac fc 90 <0f> 0b 90 90 eb d9 e8 0b 6d e9 fc c6 05 a5 32 e8 0a 01 90 48 c7 c7
RSP: 0000:ffffc90000066e30 EFLAGS: 00010246
RAX: 9693000430ac2200 RBX: ffff888140fb6c5c RCX: ffff888016ea0000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: 0000000000000004 R08: ffffffff815802c2 R09: fffffbfff1c39b10
R10: dffffc0000000000 R11: fffffbfff1c39b10 R12: 0000000000000740
R13: ffffea000083bdc8 R14: 0000000000000000 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffff88823ffff000 CR3: 000000000e134000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1110 [inline]
 __free_pages_ok+0xb4e/0xcc0 mm/page_alloc.c:1230
 make_alloc_exact+0xac/0x110 mm/page_alloc.c:4970
 vring_alloc_queue drivers/virtio/virtio_ring.c:319 [inline]
 vring_alloc_queue_split+0x20a/0x600 drivers/virtio/virtio_ring.c:1108
 vring_create_virtqueue_split+0xc6/0x310 drivers/virtio/virtio_ring.c:1158
 vring_create_virtqueue+0xca/0x110 drivers/virtio/virtio_ring.c:2683
 setup_vq+0xe9/0x2d0 drivers/virtio/virtio_pci_legacy.c:131
 vp_setup_vq+0xbf/0x330 drivers/virtio/virtio_pci_common.c:189
 vp_find_vqs_msix+0x8b6/0xc90 drivers/virtio/virtio_pci_common.c:331
 vp_find_vqs+0x4c/0x4b0 drivers/virtio/virtio_pci_common.c:408
 virtio_find_vqs include/linux/virtio_config.h:233 [inline]
 virtscsi_init+0x8db/0xd00 drivers/scsi/virtio_scsi.c:887
 virtscsi_probe+0x3ea/0xf60 drivers/scsi/virtio_scsi.c:945
 virtio_dev_probe+0x991/0xaf0 drivers/virtio/virtio.c:311
 really_probe+0x2b8/0xad0 drivers/base/dd.c:656
 __driver_probe_device+0x1a2/0x390 drivers/base/dd.c:798
 driver_probe_device+0x50/0x430 drivers/base/dd.c:828
 __driver_attach+0x45f/0x710 drivers/base/dd.c:1214
 bus_for_each_dev+0x239/0x2b0 drivers/base/bus.c:368
 bus_add_driver+0x347/0x620 drivers/base/bus.c:673
 driver_register+0x23a/0x320 drivers/base/driver.c:246
 virtio_scsi_init+0x71/0xf0 drivers/scsi/virtio_scsi.c:1083
 do_one_initcall+0x248/0x880 init/main.c:1244
 do_initcall_level+0x157/0x210 init/main.c:1306
 do_initcalls+0x3f/0x80 init/main.c:1322
 kernel_init_freeable+0x435/0x5d0 init/main.c:1555
 kernel_init+0x1d/0x2b0 init/main.c:1444
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:243
 </TASK>

Crashes (177):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/03/27 06:25 linux-next 26074e1be231 454571b6 .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root linux-next boot error: WARNING: refcount bug in __free_pages_ok
2024/03/26 19:15 linux-next 084c8e315db3 454571b6 .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root linux-next boot error: WARNING: refcount bug in __free_pages_ok
2024/03/26 10:34 linux-next 084c8e315db3 bcd9b39f .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root linux-next boot error: WARNING: refcount bug in __free_pages_ok
2024/03/26 05:58 linux-next 084c8e315db3 0ea90952 .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root linux-next boot error: WARNING: refcount bug in __free_pages_ok
2024/03/25 11:05 linux-next 1fdad13606e1 0ea90952 .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root linux-next boot error: WARNING: refcount bug in __free_pages_ok
2024/03/25 03:32 linux-next 1fdad13606e1 0ea90952 .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root linux-next boot error: WARNING: refcount bug in __free_pages_ok
2024/03/25 03:31 linux-next 1fdad13606e1 0ea90952 .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root linux-next boot error: WARNING: refcount bug in __free_pages_ok
2024/03/23 04:19 linux-next 13ee4a7161b6 0ea90952 .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root linux-next boot error: WARNING: refcount bug in __free_pages_ok
2024/03/22 07:21 linux-next 13ee4a7161b6 7a239ce7 .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root linux-next boot error: WARNING: refcount bug in __free_pages_ok
2024/03/21 13:18 linux-next e7528c088874 6753db5c .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root linux-next boot error: WARNING: refcount bug in __free_pages_ok
2024/03/21 04:25 linux-next e7528c088874 5b7d42ae .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root linux-next boot error: WARNING: refcount bug in __free_pages_ok
2024/03/20 14:56 linux-next 72fb52fb0ac4 5b7d42ae .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root linux-next boot error: WARNING: refcount bug in __free_pages_ok
2024/03/20 06:44 linux-next 72fb52fb0ac4 a485f239 .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root linux-next boot error: WARNING: refcount bug in __free_pages_ok
2024/03/19 21:50 linux-next 226d3c72fcde a485f239 .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root linux-next boot error: WARNING: refcount bug in __free_pages_ok
2024/03/19 21:49 linux-next 226d3c72fcde a485f239 .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root linux-next boot error: WARNING: refcount bug in __free_pages_ok
2024/03/19 06:24 linux-next 226d3c72fcde baa80228 .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root linux-next boot error: WARNING: refcount bug in __free_pages_ok
2024/03/18 17:24 linux-next 2e93f143ca01 baa80228 .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root linux-next boot error: WARNING: refcount bug in __free_pages_ok
2024/03/18 04:51 linux-next 2e93f143ca01 d615901c .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root linux-next boot error: WARNING: refcount bug in __free_pages_ok
2024/03/15 18:29 linux-next a1e7655b77e3 d615901c .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root linux-next boot error: WARNING: refcount bug in __free_pages_ok
2024/03/15 03:46 linux-next a1e7655b77e3 d615901c .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root linux-next boot error: WARNING: refcount bug in __free_pages_ok
2024/03/14 18:07 linux-next 9bb9b28d0568 d615901c .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root linux-next boot error: WARNING: refcount bug in __free_pages_ok
2024/03/14 04:02 linux-next 9bb9b28d0568 f919f202 .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root linux-next boot error: WARNING: refcount bug in __free_pages_ok
2024/03/13 19:54 linux-next dad309222e4c f919f202 .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root linux-next boot error: WARNING: refcount bug in __free_pages_ok
2024/03/13 06:00 linux-next dad309222e4c db5b7ff0 .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root linux-next boot error: WARNING: refcount bug in __free_pages_ok
2024/03/13 04:52 linux-next dad309222e4c c35c26ec .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root linux-next boot error: WARNING: refcount bug in __free_pages_ok
2024/03/12 12:59 linux-next a1184cae56bc c35c26ec .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root linux-next boot error: WARNING: refcount bug in __free_pages_ok
2024/03/12 05:31 linux-next a1184cae56bc 6ee49f2e .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root linux-next boot error: WARNING: refcount bug in __free_pages_ok
2024/03/09 10:11 linux-next 8ffc8b1bbd50 6ee49f2e .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root linux-next boot error: WARNING: refcount bug in __free_pages_ok
2024/03/09 10:11 linux-next 8ffc8b1bbd50 6ee49f2e .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root linux-next boot error: WARNING: refcount bug in __free_pages_ok
2024/03/08 22:06 linux-next 8ffc8b1bbd50 96d142e7 .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root linux-next boot error: WARNING: refcount bug in __free_pages_ok
2024/03/08 07:41 linux-next 8ffc8b1bbd50 cf82cde1 .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root linux-next boot error: WARNING: refcount bug in __free_pages_ok
2024/03/08 04:35 linux-next 1843e16d2df9 cf82cde1 .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root linux-next boot error: WARNING: refcount bug in __free_pages_ok
2024/03/07 14:36 linux-next 1843e16d2df9 2b789849 .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root linux-next boot error: WARNING: refcount bug in __free_pages_ok
2024/03/07 07:24 linux-next 1843e16d2df9 f39a7eed .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root linux-next boot error: WARNING: refcount bug in __free_pages_ok
2024/03/06 06:06 linux-next 61996c073c9b f39a7eed .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root linux-next boot error: WARNING: refcount bug in __free_pages_ok
2024/03/05 14:36 linux-next 11afac187274 f39a7eed .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root linux-next boot error: WARNING: refcount bug in __free_pages_ok
2024/03/05 14:35 linux-next 11afac187274 f39a7eed .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root linux-next boot error: WARNING: refcount bug in __free_pages_ok
2024/03/05 05:28 linux-next 11afac187274 5fc53669 .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root linux-next boot error: WARNING: refcount bug in __free_pages_ok
2024/03/05 02:17 linux-next 67908bf6954b 5fc53669 .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root linux-next boot error: WARNING: refcount bug in __free_pages_ok
2024/03/04 13:16 linux-next 67908bf6954b 3717835d .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root linux-next boot error: WARNING: refcount bug in __free_pages_ok
2024/03/04 05:55 linux-next 67908bf6954b 25905f5d .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root linux-next boot error: WARNING: refcount bug in __free_pages_ok
2024/03/01 18:55 linux-next 1870cdc0e8de 25905f5d .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root linux-next boot error: WARNING: refcount bug in __free_pages_ok
2024/03/01 06:48 linux-next 1870cdc0e8de 352ab904 .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root linux-next boot error: WARNING: refcount bug in __free_pages_ok
2024/02/29 06:27 linux-next f303a3e2bcfb 352ab904 .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root linux-next boot error: WARNING: refcount bug in __free_pages_ok
2024/02/28 23:54 linux-next 20af1ca418d2 352ab904 .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root linux-next boot error: WARNING: refcount bug in __free_pages_ok
2024/02/28 05:56 linux-next 20af1ca418d2 d367cbe5 .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root linux-next boot error: WARNING: refcount bug in __free_pages_ok
2024/02/28 04:50 linux-next 22ba90670a51 d367cbe5 .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root linux-next boot error: WARNING: refcount bug in __free_pages_ok
2024/02/16 06:11 linux-next d37e1e4c52bc 578f7538 .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root linux-next boot error: WARNING: refcount bug in __free_pages_ok
2024/02/15 04:56 linux-next 26d7d52b6253 6a8ec742 .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root linux-next boot error: WARNING: refcount bug in __free_pages_ok
* Struck through repros no longer work on HEAD.