Hey
On 10/13/23 09:41, Daniel P. Berrangé wrote:
Not too long ago Fedora added a new ELF note with the NEVR information for
a package, to all shared libraries
https://fedoraproject.org/wiki/Changes/Package_information_on_ELF_objects
For cores dumped by processes on my local system, coredumpctl extracts the
package info which is great.
Along with the ELF notes, systemd-analyze gained a new verb - inspect-elf -
that can be used to retrieve them:
$ systemd-analyze inspect-elf
core.varlinkctl.1000.89df21ab140948a591f91ecc084568f8.2677628.1697116492000000
path:
/home/mrc0mmand/tmp/core.varlinkctl.1000.89df21ab140948a591f91ecc084568f8.2677628.1697116492000000
elfType: coredump
elfArchitecture: AMD x86-64
module name: libnl-3.so.200
type: rpm
name: libnl3
version: 3.7.0-3.fc38
architecture: x86_64
osCpe: cpe:/o:fedoraproject:fedora:38
buildId: c9b97577bfc99992cc4651143f597ded2b3e1bd2
...
Also in JSON:
$ systemd-analyze inspect-elf --json=pretty
core.varlinkctl.1000.89df21ab140948a591f91ecc084568f8.2677628.1697116492000000
{
"elfType" : "coredump",
"elfArchitecture" : "AMD x86-64",
"libnl-3.so.200" : {
"type" : "rpm",
"name" : "libnl3",
"version" : "3.7.0-3.fc38",
"architecture" : "x86_64",
"osCpe" : "cpe:/o:fedoraproject:fedora:38",
"buildId" : "c9b97577bfc99992cc4651143f597ded2b3e1bd2"
},
"libnl-route-3.so.200" : {
"type" : "rpm",
"name" : "libnl3",
"version" : "3.7.0-3.fc38",
"architecture" : "x86_64",
"osCpe" : "cpe:/o:fedoraproject:fedora:38",
"buildId" : "e71fe7f76f1c4bff5d935f0d19c5498c8505c61a"
},
...
Lets say, however, that I receive a coredump from an end user, and thus it
isn't known to coredumpctl.
What's the "right" way to extract the NEVR list from a standalone core
dump ?
Presumably there's a better way than just running 'strings' over the binary...
$ strings core | grep osCpe:
{"type":"rpm","name":"qemu","version":"7.2.6-1.fc38","architecture":"x86_64","osCpe":"cpe:/o:fedoraproject:fedora:38"}
{"type":"rpm","name":"librsvg2","version":"2.56.3-1.fc38","architecture":"x86_64","osCpe":"cpe:/o:fedoraproject:fedora:38"}
{"type":"rpm","name":"libogg","version":"1.3.5-5.fc38","architecture":"x86_64","osCpe":"cpe:/o:fedoraproject:fedora:38"}
..snip...
{"type":"rpm","name":"pixman","version":"0.42.2-1.fc38","architecture":"x86_64","osCpe":"cpe:/o:fedoraproject:fedora:38"}
{"type":"rpm","name":"libXau","version":"1.0.11-2.fc38","architecture":"x86_64","osCpe":"cpe:/o:fedoraproject:fedora:38"}
{"type":"rpm","name":"qemu","version":"7.2.6-1.fc38","architecture":"x86_64","osCpe":"cpe:/o:fedoraproject:fedora:38"}
With regards,
Daniel
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