Some additional info.  I seem to be able to consistently crash Geary after clicking a link and opening Chrome.  Here are the results of geary --debug

 [deb] 21:43:20 611.210240 app-email-store.vala:160: EmailStore Gmail:<email address hidden> running GearyAppListOperation on 1 emails
 [deb] 21:43:20 0.020933 geary-controller.vala:2740: Error checking for what operations are supported in the selected conversations: Async transaction cancelled
 [deb] 21:43:20 0.000253 app-email-store.vala:182: EmailStore opening Gmail:<email address hidden>:INBOX (open_count=2 remote_opened=true) for GearyAppListOperation on 1 emails
 [deb] 21:43:20 0.000007 imap-engine-minimal-folder.vala:543: Not opening Gmail:<email address hidden>:INBOX (open_count=3 remote_opened=true): already open
 [deb] 21:43:20 0.002439 app-email-store.vala:193: EmailStore closed Gmail:<email address hidden>:INBOX (open_count=2 remote_opened=true) after GearyAppListOperation on 1 emails
 [deb] 21:43:20 0.000047 app-email-store.vala:219: EmailStore Gmail:<email address hidden> done running GearyAppListOperation on 1 emails
 [deb] 21:43:20 0.006806 app-email-store.vala:160: EmailStore Gmail:<email address hidden> running GearyAppMarkOperation on 1 emails
 [deb] 21:43:20 0.021723 app-email-store.vala:182: EmailStore opening Gmail:<email address hidden>:INBOX (open_count=2 remote_opened=true) for GearyAppMarkOperation on 1 emails
 [deb] 21:43:20 0.000007 imap-engine-minimal-folder.vala:543: Not opening Gmail:<email address hidden>:INBOX (open_count=3 remote_opened=true): already open
 [deb] 21:43:21 1.412374 app-email-store.vala:193: EmailStore closed Gmail:<email address hidden>:INBOX (open_count=2 remote_opened=true) after GearyAppMarkOperation on 1 emails
 [deb] 21:43:21 0.000034 app-email-store.vala:219: EmailStore Gmail:<email address hidden> done running GearyAppMarkOperation on 1 emails
 [deb] 21:43:22 0.323812 imap-engine-generic-account.vala:340: Refreshing unseen counts for Gmail:<email address hidden>:INBOX (open_count=2 remote_opened=true)
 [deb] 21:43:30 8.176387 app-email-store.vala:160: EmailStore Gmail:<email address hidden> running GearyAppListOperation on 1 emails
 [deb] 21:43:30 0.021736 app-email-store.vala:182: EmailStore opening Gmail:<email address hidden>:INBOX (open_count=2 remote_opened=true) for GearyAppListOperation on 1 emails
 [deb] 21:43:30 0.000005 imap-engine-minimal-folder.vala:543: Not opening Gmail:<email address hidden>:INBOX (open_count=3 remote_opened=true): already open
 [deb] 21:43:30 0.000164 geary-controller.vala:2740: Error checking for what operations are supported in the selected conversations: Async transaction cancelled
 [deb] 21:43:30 0.001483 app-email-store.vala:193: EmailStore closed Gmail:<email address hidden>:INBOX (open_count=2 remote_opened=true) after GearyAppListOperation on 1 emails
 [deb] 21:43:30 0.000028 app-email-store.vala:219: EmailStore Gmail:<email address hidden> done running GearyAppListOperation on 1 emails
 [deb] 21:43:30 0.015510 app-email-store.vala:160: EmailStore Gmail:<email address hidden> running GearyAppMarkOperation on 1 emails
 [deb] 21:43:30 0.017763 app-email-store.vala:182: EmailStore opening Gmail:<email address hidden>:INBOX (open_count=2 remote_opened=true) for GearyAppMarkOperation on 1 emails
 [deb] 21:43:30 0.000005 imap-engine-minimal-folder.vala:543: Not opening Gmail:<email address hidden>:INBOX (open_count=3 remote_opened=true): already open
 [deb] 21:43:32 1.772588 imap-engine-generic-account.vala:340: Refreshing unseen counts for Gmail:<email address hidden>:INBOX (open_count=3 remote_opened=true)
 [deb] 21:43:32 0.045620 app-email-store.vala:193: EmailStore closed Gmail:<email address hidden>:INBOX (open_count=2 remote_opened=true) after GearyAppMarkOperation on 1 emails
 [deb] 21:43:32 0.000063 app-email-store.vala:219: EmailStore Gmail:<email address hidden> done running GearyAppMarkOperation on 1 emails

(geary:10694): GLib-GObject-CRITICAL **: g_object_ref: assertion 'object->ref_count > 0' failed

(geary:10694): GLib-GObject-CRITICAL **: g_object_unref: assertion 'object->ref_count > 0' failed
Gtk-Message: Failed to load module "pantheon-filechooser-module"
Created new window in existing browser session.
 [deb] 21:43:54 22.685385 app-email-store.vala:160: EmailStore Gmail:<email address hidden> running GearyAppListOperation on 1 emails
 [deb] 21:43:54 0.009049 geary-controller.vala:2740: Error checking for what operations are supported in the selected conversations: Async transaction cancelled
 [deb] 21:43:54 0.000301 app-email-store.vala:182: EmailStore opening Gmail:<email address hidden>:INBOX (open_count=2 remote_opened=true) for GearyAppListOperation on 1 emails
 [deb] 21:43:54 0.000005 imap-engine-minimal-folder.vala:543: Not opening Gmail:<email address hidden>:INBOX (open_count=3 remote_opened=true): already open
 [deb] 21:43:54 0.001641 app-email-store.vala:193: EmailStore closed Gmail:<email address hidden>:INBOX (open_count=2 remote_opened=true) after GearyAppListOperation on 1 emails
 [deb] 21:43:54 0.000100 app-email-store.vala:219: EmailStore Gmail:<email address hidden> done running GearyAppListOperation on 1 emails
Segmentation fault (core dumped)

Here are the results of dmesg:
[10831.285537] traps: geary[10694] general protection ip:7f3981b4e1f9 sp:7ffe77a80140 error:0 in libwebkitgtk-3.0.so.0.22.16[7f39815af000+1c95000]