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Date:      Wed, 02 Jun 2021 17:02:48 +0000
From:      bugzilla-noreply@freebsd.org
To:        virtualization@FreeBSD.org
Subject:   [Bug 256384] [bhyve] Assertion failed: (bdl_cnt <= HDA_BDL_MAX_LEN),  function hda_stream_start, file /usr/src/usr.sbin/bhyve/pci_hda.c
Message-ID:  <bug-256384-27103@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D256384

            Bug ID: 256384
           Summary: [bhyve] Assertion failed: (bdl_cnt <=3D
                    HDA_BDL_MAX_LEN), function hda_stream_start, file
                    /usr/src/usr.sbin/bhyve/pci_hda.c
           Product: Base System
           Version: 13.0-RELEASE
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: bhyve
          Assignee: virtualization@FreeBSD.org
          Reporter: cwmyung@snu.ac.kr

To reproduce the bug, please follow the command (bhyve version 13.0):

```

$ bhyvectl --vm=3DreproVM --destroy

$ bhyve -s 2:0,ahci-hd,hyfuzz.img -s 3,hda -s 0:0,hostbridge -s 1:0,lpc -c =
1 -m
512M -l bootrom,./BHYVE_UEFI.fd -HPA reproVM

```

File:
[https://drive.google.com/file/d/1ks_l21AvgtLB5XKMwZ17EfxOEfgqlQYe/view?usp=
=3Dsharing](https://drive.google.com/file/d/1ks_l21AvgtLB5XKMwZ17EfxOEfgqlQ=
Ye/view?usp=3Dsharing)

# Crash Log

```
Assertion failed: (bdl_cnt <=3D HDA_BDL_MAX_LEN), function hda_stream_start=
, file
/usr/src/usr.sbin/bhyve/pci_hda.c, line 667.

#0  0x000000080083e2ea in thr_kill () from /lib/libc.so.7
#1  0x00000008007b3064 in raise () from /lib/libc.so.7
#2  0x0000000800867f29 in abort () from /lib/libc.so.7
#3  0x0000000800795f81 in __assert () from /lib/libc.so.7
#4  0x000000000027ab38 in hda_stream_start (sc=3D0x800f5b500,
stream_ind=3D<optimized out>)
    at /usr/src/usr.sbin/bhyve/pci_hda.c:667
#5  hda_set_sdctl (sc=3D0x800f5b500, offset=3D<optimized out>, old=3D<optim=
ized out>)
at /usr/src/usr.sbin/bhyve/pci_hda.c:1058
#6  0x0000000000274569 in hda_write (sc=3D<optimized out>, offset=3D256,
size=3D<optimized out>, value=3D<optimized out>)
    at /usr/src/usr.sbin/bhyve/pci_hda.c:763
#7  pci_hda_write (ctx=3D<optimized out>, vcpu=3D<optimized out>, pi=3D<opt=
imized
out>, baridx=3D<optimized out>, offset=3D256,=20
    size=3D4, value=3D5292803) at /usr/src/usr.sbin/bhyve/pci_hda.c:1311
#8  0x000000000027179b in pci_emul_mem_handler (ctx=3D0x800e17100, vcpu=3D6,
dir=3D<optimized out>, addr=3D<optimized out>,=20
    size=3D0, val=3D0x7fffdcbe3ca8, arg1=3D0x800e3cf00, arg2=3D0) at
/usr/src/usr.sbin/bhyve/pci_emul.c:420
#9  0x000000000024cc74 in mem_write (ctx=3D0xbafc8, vcpu=3D6, gpa=3D3436838=
1642,
wval=3D5292803, size=3D0, arg=3D0x0)
    at /usr/src/usr.sbin/bhyve/mem.c:162
#10 0x00000000002c0a78 in emulate_mov (vm=3D<optimized out>, vcpuid=3D0,
gpa=3D<optimized out>, vie=3D<optimized out>,=20
    memread=3D<optimized out>, memwrite=3D0x24cc10 <mem_write>, arg=3D0x800=
e10578)
    at /usr/src/sys/amd64/vmm/vmm_instruction_emul.c:544
#11 vmm_emulate_instruction (vm=3D<optimized out>, vcpuid=3D0, gpa=3D325479=
6544,
vie=3D<optimized out>, paging=3D<optimized out>,=20
    memread=3D<optimized out>, memwrite=3D0x24cc10 <mem_write>, memarg=3D0x=
800e10578)
    at /usr/src/sys/amd64/vmm/vmm_instruction_emul.c:1789
#12 0x000000000024c19e in emulate_mem_cb (ctx=3D0xbafc8, vcpu=3D6, paddr=3D=
0, mr=3D0x0,
arg=3D<optimized out>)
    at /usr/src/usr.sbin/bhyve/mem.c:238
#13 0x000000000024bf64 in access_memory (ctx=3D0x800e17100, vcpu=3D0,
paddr=3D3254796544, cb=3D0x24c150 <emulate_mem_cb>,=20
    arg=3D0x7fffdcbe3ea8) at /usr/src/usr.sbin/bhyve/mem.c:215
#14 0x000000000024bb97 in emulate_mem (ctx=3D0xbafc8, vcpu=3D6, paddr=3D0,
vie=3D<optimized out>, paging=3D<optimized out>)
    at /usr/src/usr.sbin/bhyve/mem.c:251
#15 0x000000000022d01f in vmexit_inst_emul (ctx=3D<optimized out>,
vmexit=3D0x2cce60 <vmexit>, pvcpu=3D0x7fffdcbe3f1c)
    at /usr/src/usr.sbin/bhyve/bhyverun.c:784
#16 0x000000000022c2c4 in vm_loop (ctx=3D0x800e17100, vcpu=3D0, startrip=3D=
<optimized
out>)
    at /usr/src/usr.sbin/bhyve/bhyverun.c:924
#17 0x0000000000229869 in fbsdrun_start_thread (param=3D0x2cd6e0 <mt_vmm_in=
fo>)
at /usr/src/usr.sbin/bhyve/bhyverun.c:473
#18 0x00000008006e782b in ?? () from /lib/libthr.so.3
#19 0x0000000000000000 in ?? ()
```

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