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Diffstat (limited to 'results/classifier/108/other/1869497')
| -rw-r--r-- | results/classifier/108/other/1869497 | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/results/classifier/108/other/1869497 b/results/classifier/108/other/1869497 new file mode 100644 index 00000000..79d0180c --- /dev/null +++ b/results/classifier/108/other/1869497 @@ -0,0 +1,31 @@ +device: 0.914 +vnc: 0.804 +socket: 0.797 +network: 0.777 +graphic: 0.706 +debug: 0.689 +performance: 0.678 +permissions: 0.665 +semantic: 0.641 +boot: 0.619 +PID: 0.571 +files: 0.548 +other: 0.523 +KVM: 0.497 + +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. + |