ubuntu-kernel-tests

[Possible Regression] net:reuseaddr_ports_exhausted.sh in ubuntu_kernel_selftests failed on F-oem-5.14 / J-oem-5.17

Bug #2007904 reported by Po-Hsu Lin
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
ubuntu-kernel-tests
New
Undecided
Unassigned
linux-oem-5.14 (Ubuntu)
Invalid
Undecided
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Focal
Fix Released
Undecided
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linux-oem-5.17 (Ubuntu)
Invalid
Undecided
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Focal
Fix Released
Undecided
Unassigned

Bug Description

Issue found on F-oem-5.14.0-1058.66, it looks like a regression. This failure cannot be reproduced with 5.14.0-1057.64

Test log:
TAP version 13
1..3
# Starting 3 tests from 1 test cases.
# RUN global.reuseaddr_ports_exhausted_unreusable ...
# OK global.reuseaddr_ports_exhausted_unreusable
ok 1 global.reuseaddr_ports_exhausted_unreusable
# RUN global.reuseaddr_ports_exhausted_reusable_same_euid ...
# OK global.reuseaddr_ports_exhausted_reusable_same_euid
ok 2 global.reuseaddr_ports_exhausted_reusable_same_euid
# RUN global.reuseaddr_ports_exhausted_reusable_different_euid ...
# reuseaddr_ports_exhausted.c:153:reuseaddr_ports_exhausted_reusable_different_euid:Expected -1 (-1) == ret (0)
# reuseaddr_ports_exhausted.c:153:reuseaddr_ports_exhausted_reusable_different_euid:should fail to listen because only one uid reserves the port in TCP_LISTEN.
# reuseaddr_ports_exhausted.c:153:reuseaddr_ports_exhausted_reusable_different_euid:Expected -1 (-1) == ret (0)
# reuseaddr_ports_exhausted.c:153:reuseaddr_ports_exhausted_reusable_different_euid:should fail to listen because only one uid reserves the port in TCP_LISTEN.
# reuseaddr_ports_exhausted.c:153:reuseaddr_ports_exhausted_reusable_different_euid:Expected -1 (-1) == ret (0)
# reuseaddr_ports_exhausted.c:153:reuseaddr_ports_exhausted_reusable_different_euid:should fail to listen because only one uid reserves the port in TCP_LISTEN.
# reuseaddr_ports_exhausted.c:153:reuseaddr_ports_exhausted_reusable_different_euid:Expected -1 (-1) == ret (0)
# reuseaddr_ports_exhausted.c:153:reuseaddr_ports_exhausted_reusable_different_euid:should fail to listen because only one uid reserves the port in TCP_LISTEN.
# reuseaddr_ports_exhausted_reusable_different_euid: Test failed at step #13
# FAIL global.reuseaddr_ports_exhausted_reusable_different_euid
not ok 3 global.reuseaddr_ports_exhausted_reusable_different_euid
# FAILED: 2 / 3 tests passed.
# Totals: pass:2 fail:1 xfail:0 xpass:0 skip:0 error:0

Test result with 5.14.0-1057.64
$ sudo ./reuseaddr_ports_exhausted.sh
TAP version 13
1..3
# Starting 3 tests from 1 test cases.
# RUN global.reuseaddr_ports_exhausted_unreusable ...
# OK global.reuseaddr_ports_exhausted_unreusable
ok 1 global.reuseaddr_ports_exhausted_unreusable
# RUN global.reuseaddr_ports_exhausted_reusable_same_euid ...
# OK global.reuseaddr_ports_exhausted_reusable_same_euid
ok 2 global.reuseaddr_ports_exhausted_reusable_same_euid
# RUN global.reuseaddr_ports_exhausted_reusable_different_euid ...
# OK global.reuseaddr_ports_exhausted_reusable_different_euid
ok 3 global.reuseaddr_ports_exhausted_reusable_different_euid
# PASSED: 3 / 3 tests passed.
# Totals: pass:3 fail:0 xfail:0 xpass:0 skip:0 error:0
tests done

CVE References

Po-Hsu Lin (cypressyew)
Changed in linux-oem-5.14 (Ubuntu):
status: New → Invalid
Revision history for this message
Po-Hsu Lin (cypressyew) wrote :

This is also failing on J-oem-5.17.0-1028.29.

$ sudo ./reuseaddr_ports_exhausted.sh
TAP version 13
1..3
# Starting 3 tests from 1 test cases.
# RUN global.reuseaddr_ports_exhausted_unreusable ...
# OK global.reuseaddr_ports_exhausted_unreusable
ok 1 global.reuseaddr_ports_exhausted_unreusable
# RUN global.reuseaddr_ports_exhausted_reusable_same_euid ...
# OK global.reuseaddr_ports_exhausted_reusable_same_euid
ok 2 global.reuseaddr_ports_exhausted_reusable_same_euid
# RUN global.reuseaddr_ports_exhausted_reusable_different_euid ...
# reuseaddr_ports_exhausted.c:153:reuseaddr_ports_exhausted_reusable_different_euid:Expected -1 (-1) == ret (0)
# reuseaddr_ports_exhausted.c:153:reuseaddr_ports_exhausted_reusable_different_euid:should fail to listen because only one uid reserves the port in TCP_LISTEN.
# reuseaddr_ports_exhausted.c:153:reuseaddr_ports_exhausted_reusable_different_euid:Expected -1 (-1) == ret (0)
# reuseaddr_ports_exhausted.c:153:reuseaddr_ports_exhausted_reusable_different_euid:should fail to listen because only one uid reserves the port in TCP_LISTEN.
# reuseaddr_ports_exhausted.c:153:reuseaddr_ports_exhausted_reusable_different_euid:Expected -1 (-1) == ret (0)
# reuseaddr_ports_exhausted.c:153:reuseaddr_ports_exhausted_reusable_different_euid:should fail to listen because only one uid reserves the port in TCP_LISTEN.
# reuseaddr_ports_exhausted.c:153:reuseaddr_ports_exhausted_reusable_different_euid:Expected -1 (-1) == ret (0)
# reuseaddr_ports_exhausted.c:153:reuseaddr_ports_exhausted_reusable_different_euid:should fail to listen because only one uid reserves the port in TCP_LISTEN.
# reuseaddr_ports_exhausted_reusable_different_euid: Test failed at step #13
# FAIL global.reuseaddr_ports_exhausted_reusable_different_euid
not ok 3 global.reuseaddr_ports_exhausted_reusable_different_euid
# FAILED: 2 / 3 tests passed.
# Totals: pass:2 fail:1 xfail:0 xpass:0 skip:0 error:0
$ uname -a
Linux vought 5.17.0-1028-oem #29-Ubuntu SMP PREEMPT Fri Feb 10 10:28:20 UTC 2023 x86_64 x86_64 x86_64 GNU/Linux

summary: - net:reuseaddr_ports_exhausted.sh in ubuntu_kernel_selftests failed
+ [Possible Regression] net:reuseaddr_ports_exhausted.sh in
+ ubuntu_kernel_selftests failed on F-oem-5.14 / J-oem-5.17
tags: added: 5.17 jammy sru-20230130
Revision history for this message
Stefan Bader (smb) wrote :

@Timo, look for "UBUNTU: SAUCE: Fix inet_csk_listen_start after CVE-2023-0461" on the various distro kernels (5.15 for sure but I believe across all series).

Revision history for this message
Timo Aaltonen (tjaalton) wrote :

patch added, but tracking won't work as the patch had no buglink and I didn't think to add it

Changed in linux-oem-5.17 (Ubuntu):
status: New → Invalid
Changed in linux-oem-5.14 (Ubuntu Focal):
status: New → Fix Committed
Changed in linux-oem-5.17 (Ubuntu Focal):
status: New → Fix Committed
Timo Aaltonen (tjaalton)
Changed in linux-oem-5.17 (Ubuntu Focal):
status: Fix Committed → Fix Released
Changed in linux-oem-5.14 (Ubuntu Focal):
status: Fix Committed → Fix Released
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