The crash is due to AppArmor. Adding the following to the profile for /usr/lib/chromium-browser/chromium-browser gets things working again:
capability sys_admin, capability sys_chroot,
owner @{PROC}/[0-9]*/setgroups w, owner @{PROC}/[0-9]*/gid_map w, owner @{PROC}/[0-9]*/uid_map w,
@{PROC}/[0-9]*/stat r,
The crash is due to AppArmor. Adding the following to the profile for /usr/lib/ chromium- browser/ chromium- browser gets things working again:
capability sys_admin,
capability sys_chroot,
owner @{PROC} /[0-9]* /setgroups w, /[0-9]* /gid_map w, /[0-9]* /uid_map w,
owner @{PROC}
owner @{PROC}
@{PROC} /[0-9]* /stat r,