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qemu / qemu / d9a5eba477e7ed7183a6d417755790d6ecf22cad
commitd9a5eba477e7ed7183a6d417755790d6ecf22cad[log] [tgz]
authorStephen Long <steplong@quicinc.com>Thu May 07 06:03:02 2020 -0700
committerLaurent Vivier <laurent@vivier.eu>Fri Oct 23 14:21:15 2020 +0200
tree9b0c8ba5f23fef7f02e788ff1662a01da66c8762
parent4c5b97bfd0dd54dc27717ae8d1cd10e14eef1430 [diff]
Fix stack smashing when handling PR_GET_PDEATHSIG

The bug was triggered by the following code on aarch64-linux-user:

int main(void)
{
  int PDeathSig = 0;
  if (prctl(PR_GET_PDEATHSIG, &PDeathSig) == 0 && PDeathSig == SIGKILL)
    prctl(PR_GET_PDEATHSIG, 0);
  return (PDeathSig == SIGKILL);
}

Signed-off-by: Stephen Long <steplong@quicinc.com>
Signed-off-by: Ana Pazos <apazos@quicinc.com>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20200507130302.3684-1-steplong@quicinc.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
1 file changed
tree: 9b0c8ba5f23fef7f02e788ff1662a01da66c8762
  1. .github/
  2. .gitlab-ci.d/
  3. accel/
  4. audio/
  5. authz/
  6. backends/
  7. block/
  8. bsd-user/
  9. chardev/
  10. contrib/
  11. crypto/
  12. default-configs/
  13. disas/
  14. docs/
  15. dump/
  16. fpu/
  17. fsdev/
  18. gdb-xml/
  19. hw/
  20. include/
  21. io/
  22. libdecnumber/
  23. linux-headers/
  24. linux-user/
  25. migration/
  26. monitor/
  27. nbd/
  28. net/
  29. pc-bios/
  30. plugins/
  31. po/
  32. python/
  33. qapi/
  34. qga/
  35. qobject/
  36. qom/
  37. replay/
  38. roms/
  39. scripts/
  40. scsi/
  41. softmmu/
  42. storage-daemon/
  43. stubs/
  44. target/
  45. tcg/
  46. tests/
  47. tools/
  48. trace/
  49. ui/
  50. util/
  51. capstone
  52. dtc
  53. meson
  54. slirp
  55. .cirrus.yml
  56. .dir-locals.el
  57. .editorconfig
  58. .exrc
  59. .gdbinit
  60. .gitignore
  61. .gitlab-ci.yml
  62. .gitmodules
  63. .gitpublish
  64. .mailmap
  65. .patchew.yml
  66. .readthedocs.yml
  67. .shippable.yml
  68. .travis.yml
  69. block.c
  70. blockdev-nbd.c
  71. blockdev.c
  72. blockjob.c
  73. Changelog
  74. CODING_STYLE.rst
  75. configure
  76. COPYING
  77. COPYING.LIB
  78. cpu.c
  79. cpus-common.c
  80. disas.c
  81. exec-vary.c
  82. gdbstub.c
  83. gitdm.config
  84. hmp-commands-info.hx
  85. hmp-commands.hx
  86. iothread.c
  87. job-qmp.c
  88. job.c
  89. Kconfig
  90. Kconfig.host
  91. LICENSE
  92. MAINTAINERS
  93. Makefile
  94. memory_ldst.c.inc
  95. meson.build
  96. meson_options.txt
  97. module-common.c
  98. os-posix.c
  99. os-win32.c
  100. qemu-bridge-helper.c
  101. qemu-edid.c
  102. qemu-img-cmds.hx
  103. qemu-img.c
  104. qemu-io-cmds.c
  105. qemu-io.c
  106. qemu-keymap.c
  107. qemu-nbd.c
  108. qemu-options-wrapper.h
  109. qemu-options.h
  110. qemu-options.hx
  111. qemu.nsi
  112. qemu.sasl
  113. README.rst
  114. replication.c
  115. replication.h
  116. thunk.c
  117. trace-events
  118. VERSION
  119. version.rc
  120. version.texi.in