[Qemu-devel] [Bug 1336123] [NEW] bad switch, segfault in hw/pci-host/bonito.c bonito_readl

[Robin Lee]

Public bug reported:

http://git.qemu.org/?p=qemu.git;a=blob;f=hw/pci-
host/bonito.c;h=56292adb03cd1a9873c2c9e5a0b2978fd0572214;hb=master#l301

The switch statement is error-prone, since two branches return the same
result.

Segfault reproducing steps:
1. make a Linux kernel(for example 3.16.0-rc2) with fuloong2e_defconfig
2. use 'qemu-system-mips64el -machine fulong2e' to boot the vmlinux

qemu versions tried: 2.0.0, 1.6.2

** Affects: qemu
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1336123

Title:
  bad switch, segfault in hw/pci-host/bonito.c bonito_readl

Status in QEMU:
  New

Bug description:
  http://git.qemu.org/?p=qemu.git;a=blob;f=hw/pci-
  host/bonito.c;h=56292adb03cd1a9873c2c9e5a0b2978fd0572214;hb=master#l301

  The switch statement is error-prone, since two branches return the
  same result.

  Segfault reproducing steps:
  1. make a Linux kernel(for example 3.16.0-rc2) with fuloong2e_defconfig
  2. use 'qemu-system-mips64el -machine fulong2e' to boot the vmlinux

  qemu versions tried: 2.0.0, 1.6.2

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