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Diffstat (limited to 'mailinglist/output_launchpad/1869497')
| -rw-r--r-- | mailinglist/output_launchpad/1869497 | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/mailinglist/output_launchpad/1869497 b/mailinglist/output_launchpad/1869497 new file mode 100644 index 00000000..0a7e2a27 --- /dev/null +++ b/mailinglist/output_launchpad/1869497 @@ -0,0 +1,16 @@ +x86_cpu_gdb_read_register segfaults when gdb requests registers + +When attempting to attach to the gdbstub, a segfault occurs. + +I traced this down to a problem in a call to gdb_get_reg16 where the mem_buf +was being treated like a uint8_t* instead of a GByteArray. The buffer passed +to gdb_get_reg16 ends up passing an invalid GByteArray pointer, which subsequently +causes a segfault in memcpy. + +I have a fix for this - just need to educate myself on how to submit a patch. + +Thanks for tracking down the source of the bug. Our 'submitting patches' policy is at https://wiki.qemu.org/Contribute/SubmitAPatch in case you haven't already found it. (It's quite long but for a simple one-shot bugfix patch the important stuff is just the summarized bits at the top.) + + +Fixed in commit bbc40fefcee0d69d61ceaf8c0695d2ce43cdc87b. + |