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Bug 1917713 - Segfault in NetworkManager
Summary: Segfault in NetworkManager
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux 8
Classification: Red Hat
Component: NetworkManager
Version: CentOS Stream
Hardware: Unspecified
OS: Unspecified
unspecified
unspecified
Target Milestone: rc
: 8.0
Assignee: Beniamino Galvani
QA Contact: Desktop QE
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2021-01-19 09:08 UTC by Maxime Coquelin
Modified: 2021-05-18 13:34 UTC (History)
12 users (show)

Fixed In Version: NetworkManager-1.30.0-0.7.el8
Doc Type: If docs needed, set a value
Doc Text:
Clone Of:
Environment:
Last Closed: 2021-05-18 13:32:37 UTC
Type: Bug
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)
Coredump (1.10 MB, application/x-lz4)
2021-01-19 09:08 UTC, Maxime Coquelin 		no flags Details
sos report (13.46 MB, application/x-xz)
2021-01-19 09:11 UTC, Maxime Coquelin 		no flags Details
View All

Description Maxime Coquelin 2021-01-19 09:08:17 UTC 
Created attachment 1748657 [details]
Coredump

Description of problem:

NetworkManager segfault when just setting eth0 up.
See attached coredump.

Version-Release number of selected component (if applicable):
NetworkManager-1.30.0-0.3.el8.x86_64

How reproducible:

Only reproduced once.

Steps to Reproduce:
1.
2.
3.

ip l set eth1 down
ip l set eth0 up

Actual results:

[  356.749661] NetworkManager[761]: segfault at 1 ip 00007f13e16a1da1 sp 00007ffc99170138 error 4 in libgobject-2.0.so.0.5600.4[7f13e166d000+51000]
[  356.753307] Code: 85 d5 21 00 48 8b 34 e8 eb b6 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 f3 0f 1e fa 48 85 ff 74 47 48 8b 07 48 85 c0 74 3f <48> 8b 00 48 3d fc 03 00 00 76 1c 48 83 e0 fc 48 89 c2 0f b6 42 14

Expected results:


Additional info:
Comment 1 Maxime Coquelin 2021-01-19 09:11:08 UTC 
Created attachment 1748660 [details]
sos report
Comment 2 Beniamino Galvani 2021-01-19 09:29:23 UTC 
Backtrace:

 #0  0x00007f13e16a1da1 in g_type_check_instance_is_fundamentally_a () from /lib64/libgobject-2.0.so.0
 #1  0x00007f13e1682749 in g_object_unref () from /lib64/libgobject-2.0.so.0
 #2  0x000055892af5c36d in nm_g_object_unref (obj=<optimized out>) at ./shared/nm-glib-aux/nm-macros-internal.h:983
 #3  nm_device_get_hostname_from_dns_lookup (self=0x55892ca87dc0, addr_family=addr_family@entry=10,
     out_wait=out_wait@entry=0x7ffc991702c4) at src/devices/nm-device.c:17644
 #4  0x000055892ae1ddb1 in update_system_hostname (self=0x55892c9ff000, msg=<optimized out>) at src/nm-policy.c:949
 #5  0x000055892ae1e7c2 in update_routing_and_dns (self=self@entry=0x55892c9ff000, force_update=force_update@entry=0,
     changed_device=changed_device@entry=0x55892ca59540) at src/nm-policy.c:1268
 #6  0x000055892ae1f15c in device_state_changed (device=0x55892ca59540, new_state=NM_DEVICE_STATE_ACTIVATED,
     old_state=NM_DEVICE_STATE_SECONDARIES, reason=<optimized out>, user_data=0x55892c9ff018) at src/nm-policy.c:2058
 #7  0x00007f13dc12209e in ffi_call_unix64 () from /lib64/libffi.so.6
 #8  0x00007f13dc121a4f in ffi_call () from /lib64/libffi.so.6
 #9  0x00007f13e167dec5 in g_cclosure_marshal_generic () from /lib64/libgobject-2.0.so.0
 #10 0x00007f13e167d3fd in _g_closure_supports_invoke_va () from /lib64/libgobject-2.0.so.0
 #11 0x0000000000000000 in ?? ()
Comment 3 Beniamino Galvani 2021-01-19 10:33:15 UTC 
Fixed:

https://gitlab.freedesktop.org/NetworkManager/NetworkManager/-/commit/e2d04e18d5c7e94ecee5c24b77f95816fd6c3a75
Comment 9 errata-xmlrpc 2021-05-18 13:32:37 UTC 
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory (Moderate: NetworkManager and libnma security, bug fix, and enhancement update), and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHSA-2021:1574
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