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DO NOT EDIT MANUALLY!</b> <!-- Managed by Jenkins Job Builder -->gerrit-libosmocore-buildgerrit-libosmocore-buildgerrit-libosmocore-buildgerrit-libosmocore-buildhttps://jenkins.osmocom.org/jenkins/view/All/job/gerrit-libosmocore-build/trueStarted by upstream project "gerrit-libosmocore" build number 2,3872387gerrit-libosmocorejob/gerrit-libosmocore/COMMENT_TYPEDISTROGERRIT_BRANCHmasterGERRIT_CHANGE_NUMBER42638GERRIT_HOSTgerrit.osmocom.orgGERRIT_PATCHSET_NUMBER2GERRIT_PATCHSET_REVISION3021739a6072c60295dcea08c160cde22b8f4ecaGERRIT_PATCHSET_UPLOADER_NAMEfixeriaGERRIT_PORT29418GERRIT_PROJECTlibosmocoreGERRIT_REFSPECrefs/changes/38/42638/2GERRIT_REPO_URLssh://jenkins@gerrit.osmocom.org:29418/libosmocorePIPELINE_BUILD_URLhttps://jenkins.osmocom.org/jenkins/job/gerrit-libosmocore/2387/PROJECT_NAMElibosmocoreBRANCH_CImaster00001910601910601.00508750871315197248107c5c2007b44c4df1bec011e6c1754cda197248107c5c2007b44c4df1bec011e6c1754cdaosmith/1.9.1197248107c5c2007b44c4df1bec011e6c1754cda197248107c5c2007b44c4df1bec011e6c1754cdaosmith/1.9.12156d38417e5965ae02eaffdd87d281098f30105b8b7d38417e5965ae02eaffdd87d281098f30105b8b7pespin/rel-1.12.0d38417e5965ae02eaffdd87d281098f30105b8b7d38417e5965ae02eaffdd87d281098f30105b8b7pespin/rel-1.12.013193f0bbe398e16513906d29802d058a87655fceaf13f0bbe398e16513906d29802d058a87655fceaf1osmith/1.9.23f0bbe398e16513906d29802d058a87655fceaf13f0bbe398e16513906d29802d058a87655fceaf1osmith/1.9.21773aa177c0f4457df953e3e6e121e8806a4cf403d72aa177c0f4457df953e3e6e121e8806a4cf403d72osmith/wipaa177c0f4457df953e3e6e121e8806a4cf403d72aa177c0f4457df953e3e6e121e8806a4cf403d72osmith/wip1877a32a6ee4a6532e0c1d358ecebb8f13b8acc75dc1a32a6ee4a6532e0c1d358ecebb8f13b8acc75dc1pespin/rel-1.10.0a32a6ee4a6532e0c1d358ecebb8f13b8acc75dc1a32a6ee4a6532e0c1d358ecebb8f13b8acc75dc1pespin/rel-1.10.0209322a11a35e3feec31b86738d19f3d85406feb099a22a11a35e3feec31b86738d19f3d85406feb099aosmith/1.11.222a11a35e3feec31b86738d19f3d85406feb099a22a11a35e3feec31b86738d19f3d85406feb099aosmith/1.11.2211817ca3339e13d779a330781334e92f48d7ea87d3617ca3339e13d779a330781334e92f48d7ea87d36osmith/1.11.317ca3339e13d779a330781334e92f48d7ea87d3617ca3339e13d779a330781334e92f48d7ea87d36osmith/1.11.317403a1bb866bbc481b379034723ede51a2e4e8b9c653a1bb866bbc481b379034723ede51a2e4e8b9c65rel-1.9.13a1bb866bbc481b379034723ede51a2e4e8b9c653a1bb866bbc481b379034723ede51a2e4e8b9c65rel-1.9.1833d75a0cca8117b609da75111388bf8baea5dac0a5d75a0cca8117b609da75111388bf8baea5dac0a5arehbein/osmo_io_ipad75a0cca8117b609da75111388bf8baea5dac0a5d75a0cca8117b609da75111388bf8baea5dac0a5arehbein/osmo_io_ipa194687de74a9f5835fb56a4758860aea3e673c29060e87de74a9f5835fb56a4758860aea3e673c29060erel-1.11.187de74a9f5835fb56a4758860aea3e673c29060e87de74a9f5835fb56a4758860aea3e673c29060erel-1.11.1174355ea51049775e623880f62026ad827f580aec7a255ea51049775e623880f62026ad827f580aec7a2rel-1.9.355ea51049775e623880f62026ad827f580aec7a255ea51049775e623880f62026ad827f580aec7a2rel-1.9.323883021739a6072c60295dcea08c160cde22b8f4eca3021739a6072c60295dcea08c160cde22b8f4ecamaster3021739a6072c60295dcea08c160cde22b8f4eca3021739a6072c60295dcea08c160cde22b8f4ecamaster3021739a6072c60295dcea08c160cde22b8f4eca3021739a6072c60295dcea08c160cde22b8f4ecamasterssh://jenkins@gerrit.osmocom.org:29418/libosmocorefalse#2388191060182795gerrit-libosmocore-build #23882388falsefalse238891066SUCCESS1776433769256https://jenkins.osmocom.org/jenkins/view/All/job/gerrit-libosmocore-build/2388/tests/testsuite.atsrc/core/osmo_io.ctests/osmo_io/osmo_io_backpressure_test.ctests/osmo_io/osmo_io_backpressure_test_uring.oktests/osmo_io/osmo_io_backpressure_test.oktests/Makefile.am3021739a6072c60295dcea08c160cde22b8f4eca1776433625000https://jenkins.osmocom.org/jenkins/user/fixeriaVadim Yanitskiyvyanitskiy@sysmocom.deosmo_io: iofd_txqueue_dequeue(): fix double next->io_len decrement The fill-up logic in iofd_txqueue_dequeue() was incorrectly decrementing next->io_len twice: once when removing a buffer that didn't fit, and again when assigning to msg_iovlen. This may cause next->io_len to reach 0 and trigger an assert at osmo_io.c:274: Assert failed next->io_len > 0 Add separate osmo_io_backpressure_test to verify queue management under network backpressure conditions. Use separate .ok files for poll vs io_uring backends since they produce different I/O patterns. This unit test reproduces the assert when the fix is not applied. Change-Id: Ia96e25d11d8d683fa9dd0c56bdac257992edd782 Fixes: 3c2a02db4 ("osmo-io: Put together message buffers when dequeued from tx queue") Related: OS#6997 2026-04-17 20:47:05 +07003021739a6072c60295dcea08c160cde22b8f4ecaosmo_io: iofd_txqueue_dequeue(): fix double next->io_len decrementaddtests/osmo_io/osmo_io_backpressure_test.okedittests/testsuite.ataddtests/osmo_io/osmo_io_backpressure_test.ceditsrc/core/osmo_io.caddtests/osmo_io/osmo_io_backpressure_test_uring.okedittests/Makefile.amgithttps://jenkins.osmocom.org/jenkins/user/fixeriaVadim Yanitskiy2388https://jenkins.osmocom.org/jenkins/view/All/job/gerrit-libosmocore-build/a2=default,a3=default,a4=default,arch=amd64,label=io_uring/2388/2388https://jenkins.osmocom.org/jenkins/view/All/job/gerrit-libosmocore-build/a2=default,a3=default,a4=default,arch=arm-none-eabi,label=io_uring/2388/Started by upstream project "gerrit-libosmocore" build number 2,3862386gerrit-libosmocorejob/gerrit-libosmocore/COMMENT_TYPEDISTROGERRIT_BRANCHmasterGERRIT_CHANGE_NUMBER42638GERRIT_HOSTgerrit.osmocom.orgGERRIT_PATCHSET_NUMBER1GERRIT_PATCHSET_REVISIONcd6ac2a29546f3f76584f3c52ea92891dec40befGERRIT_PATCHSET_UPLOADER_NAMEfixeriaGERRIT_PORT29418GERRIT_PROJECTlibosmocoreGERRIT_REFSPECrefs/changes/38/42638/1GERRIT_REPO_URLssh://jenkins@gerrit.osmocom.org:29418/libosmocorePIPELINE_BUILD_URLhttps://jenkins.osmocom.org/jenkins/job/gerrit-libosmocore/2386/PROJECT_NAMElibosmocoreBRANCH_CImaster00001858111858111.00738973891315197248107c5c2007b44c4df1bec011e6c1754cda197248107c5c2007b44c4df1bec011e6c1754cdaosmith/1.9.1197248107c5c2007b44c4df1bec011e6c1754cda197248107c5c2007b44c4df1bec011e6c1754cdaosmith/1.9.12156d38417e5965ae02eaffdd87d281098f30105b8b7d38417e5965ae02eaffdd87d281098f30105b8b7pespin/rel-1.12.0d38417e5965ae02eaffdd87d281098f30105b8b7d38417e5965ae02eaffdd87d281098f30105b8b7pespin/rel-1.12.013193f0bbe398e16513906d29802d058a87655fceaf13f0bbe398e16513906d29802d058a87655fceaf1osmith/1.9.23f0bbe398e16513906d29802d058a87655fceaf13f0bbe398e16513906d29802d058a87655fceaf1osmith/1.9.21773aa177c0f4457df953e3e6e121e8806a4cf403d72aa177c0f4457df953e3e6e121e8806a4cf403d72osmith/wipaa177c0f4457df953e3e6e121e8806a4cf403d72aa177c0f4457df953e3e6e121e8806a4cf403d72osmith/wip1877a32a6ee4a6532e0c1d358ecebb8f13b8acc75dc1a32a6ee4a6532e0c1d358ecebb8f13b8acc75dc1pespin/rel-1.10.0a32a6ee4a6532e0c1d358ecebb8f13b8acc75dc1a32a6ee4a6532e0c1d358ecebb8f13b8acc75dc1pespin/rel-1.10.0209322a11a35e3feec31b86738d19f3d85406feb099a22a11a35e3feec31b86738d19f3d85406feb099aosmith/1.11.222a11a35e3feec31b86738d19f3d85406feb099a22a11a35e3feec31b86738d19f3d85406feb099aosmith/1.11.2211817ca3339e13d779a330781334e92f48d7ea87d3617ca3339e13d779a330781334e92f48d7ea87d36osmith/1.11.317ca3339e13d779a330781334e92f48d7ea87d3617ca3339e13d779a330781334e92f48d7ea87d36osmith/1.11.317403a1bb866bbc481b379034723ede51a2e4e8b9c653a1bb866bbc481b379034723ede51a2e4e8b9c65rel-1.9.13a1bb866bbc481b379034723ede51a2e4e8b9c653a1bb866bbc481b379034723ede51a2e4e8b9c65rel-1.9.1833d75a0cca8117b609da75111388bf8baea5dac0a5d75a0cca8117b609da75111388bf8baea5dac0a5arehbein/osmo_io_ipad75a0cca8117b609da75111388bf8baea5dac0a5d75a0cca8117b609da75111388bf8baea5dac0a5arehbein/osmo_io_ipa194687de74a9f5835fb56a4758860aea3e673c29060e87de74a9f5835fb56a4758860aea3e673c29060erel-1.11.187de74a9f5835fb56a4758860aea3e673c29060e87de74a9f5835fb56a4758860aea3e673c29060erel-1.11.1174355ea51049775e623880f62026ad827f580aec7a255ea51049775e623880f62026ad827f580aec7a2rel-1.9.355ea51049775e623880f62026ad827f580aec7a255ea51049775e623880f62026ad827f580aec7a2rel-1.9.32387cd6ac2a29546f3f76584f3c52ea92891dec40befcd6ac2a29546f3f76584f3c52ea92891dec40befmastercd6ac2a29546f3f76584f3c52ea92891dec40befcd6ac2a29546f3f76584f3c52ea92891dec40befmastercd6ac2a29546f3f76584f3c52ea92891dec40befcd6ac2a29546f3f76584f3c52ea92891dec40befmasterssh://jenkins@gerrit.osmocom.org:29418/libosmocorefalse#2387185811182795gerrit-libosmocore-build #23872387falsefalse238791054SUCCESS1776433407902https://jenkins.osmocom.org/jenkins/view/All/job/gerrit-libosmocore-build/2387/tests/testsuite.atsrc/core/osmo_io.ctests/osmo_io/osmo_io_backpressure_test_uring.oktests/osmo_io/osmo_io_backpressure_test.ctests/Makefile.amtests/osmo_io/osmo_io_backpressure_test.okcd6ac2a29546f3f76584f3c52ea92891dec40bef1776431698000https://jenkins.osmocom.org/jenkins/user/fixeriaVadim Yanitskiyvyanitskiy@sysmocom.deosmo_io: iofd_txqueue_dequeue(): fix double next->io_len decrement The fill-up logic in iofd_txqueue_dequeue() was incorrectly decrementing next->io_len twice: once when removing a buffer that didn't fit, and again when assigning to msg_iovlen. This may cause next->io_len to reach 0 and trigger an assert at osmo_io.c:274: Assert failed next->io_len > 0 Add separate osmo_io_backpressure_test to verify queue management under network backpressure conditions. Use separate .ok files for poll vs io_uring backends since they produce different I/O patterns. This unit test reproduces the assert when the fix is not applied. Change-Id: Ia96e25d11d8d683fa9dd0c56bdac257992edd782 Fixes: 3c2a02db4 ("osmo-io: Put together message buffers when dequeued from tx queue") Related: OS#6997 2026-04-17 20:14:58 +0700cd6ac2a29546f3f76584f3c52ea92891dec40befosmo_io: iofd_txqueue_dequeue(): fix double next->io_len decrementedittests/Makefile.amaddtests/osmo_io/osmo_io_backpressure_test_uring.okaddtests/osmo_io/osmo_io_backpressure_test.okaddtests/osmo_io/osmo_io_backpressure_test.cedittests/testsuite.ateditsrc/core/osmo_io.cgithttps://jenkins.osmocom.org/jenkins/user/fixeriaVadim Yanitskiy2387https://jenkins.osmocom.org/jenkins/view/All/job/gerrit-libosmocore-build/a2=default,a3=default,a4=default,arch=amd64,label=io_uring/2387/2387https://jenkins.osmocom.org/jenkins/view/All/job/gerrit-libosmocore-build/a2=default,a3=default,a4=default,arch=arm-none-eabi,label=io_uring/2387/Started by upstream project "gerrit-libosmocore" build number 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#23862386falsefalse238689133SUCCESS1776246563611https://jenkins.osmocom.org/jenkins/view/All/job/gerrit-libosmocore-build/2386/src/core/Makefile.amdebian/changelogsrc/gsm/Makefile.amTODO-RELEASE563253c320a421bc69f297170e92408016b177691776246504000https://jenkins.osmocom.org/jenkins/user/osmithOliver Smithosmith@sysmocom.deBump version: 1.13.1.12-8e6ea → 1.14.0 Change-Id: Ifa079c76148fd25f543b7875d3d89b35c19ffe6b 2026-04-15 11:48:24 +0200563253c320a421bc69f297170e92408016b17769Bump version: 1.13.1.12-8e6ea → 1.14.0editsrc/core/Makefile.ameditsrc/gsm/Makefile.ameditTODO-RELEASEeditdebian/changeloggithttps://jenkins.osmocom.org/jenkins/user/osmithOliver Smith2386https://jenkins.osmocom.org/jenkins/view/All/job/gerrit-libosmocore-build/a2=default,a3=default,a4=default,arch=amd64,label=io_uring/2386/2386https://jenkins.osmocom.org/jenkins/view/All/job/gerrit-libosmocore-build/a2=default,a3=default,a4=default,arch=arm-none-eabi,label=io_uring/2386/blueStarted by upstream project 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#23862386falsefalse238689133SUCCESS1776246563611https://jenkins.osmocom.org/jenkins/view/All/job/gerrit-libosmocore-build/2386/src/core/Makefile.amdebian/changelogsrc/gsm/Makefile.amTODO-RELEASE563253c320a421bc69f297170e92408016b177691776246504000https://jenkins.osmocom.org/jenkins/user/osmithOliver Smithosmith@sysmocom.deBump version: 1.13.1.12-8e6ea → 1.14.0 Change-Id: Ifa079c76148fd25f543b7875d3d89b35c19ffe6b 2026-04-15 11:48:24 +0200563253c320a421bc69f297170e92408016b17769Bump version: 1.13.1.12-8e6ea → 1.14.0editsrc/core/Makefile.ameditsrc/gsm/Makefile.ameditTODO-RELEASEeditdebian/changeloggithttps://jenkins.osmocom.org/jenkins/user/osmithOliver Smith2386https://jenkins.osmocom.org/jenkins/view/All/job/gerrit-libosmocore-build/a2=default,a3=default,a4=default,arch=amd64,label=io_uring/2386/2386https://jenkins.osmocom.org/jenkins/view/All/job/gerrit-libosmocore-build/a2=default,a3=default,a4=default,arch=arm-none-eabi,label=io_uring/2386/Build stability: No recent builds failed.icon-health-80plushealth-80plus.png100falsefalseStarted by upstream project "gerrit-libosmocore" build number 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#23882388falsefalse238891066SUCCESS1776433769256https://jenkins.osmocom.org/jenkins/view/All/job/gerrit-libosmocore-build/2388/tests/testsuite.atsrc/core/osmo_io.ctests/osmo_io/osmo_io_backpressure_test.ctests/osmo_io/osmo_io_backpressure_test_uring.oktests/osmo_io/osmo_io_backpressure_test.oktests/Makefile.am3021739a6072c60295dcea08c160cde22b8f4eca1776433625000https://jenkins.osmocom.org/jenkins/user/fixeriaVadim Yanitskiyvyanitskiy@sysmocom.deosmo_io: iofd_txqueue_dequeue(): fix double next->io_len decrement The fill-up logic in iofd_txqueue_dequeue() was incorrectly decrementing next->io_len twice: once when removing a buffer that didn't fit, and again when assigning to msg_iovlen. This may cause next->io_len to reach 0 and trigger an assert at osmo_io.c:274: Assert failed next->io_len > 0 Add separate osmo_io_backpressure_test to verify queue management under network backpressure conditions. Use separate .ok files for poll vs io_uring backends since they produce different I/O patterns. This unit test reproduces the assert when the fix is not applied. Change-Id: Ia96e25d11d8d683fa9dd0c56bdac257992edd782 Fixes: 3c2a02db4 ("osmo-io: Put together message buffers when dequeued from tx queue") Related: OS#6997 2026-04-17 20:47:05 +07003021739a6072c60295dcea08c160cde22b8f4ecaosmo_io: iofd_txqueue_dequeue(): fix double next->io_len decrementaddtests/osmo_io/osmo_io_backpressure_test.okedittests/testsuite.ataddtests/osmo_io/osmo_io_backpressure_test.ceditsrc/core/osmo_io.caddtests/osmo_io/osmo_io_backpressure_test_uring.okedittests/Makefile.amgithttps://jenkins.osmocom.org/jenkins/user/fixeriaVadim Yanitskiy2388https://jenkins.osmocom.org/jenkins/view/All/job/gerrit-libosmocore-build/a2=default,a3=default,a4=default,arch=amd64,label=io_uring/2388/2388https://jenkins.osmocom.org/jenkins/view/All/job/gerrit-libosmocore-build/a2=default,a3=default,a4=default,arch=arm-none-eabi,label=io_uring/2388/Started by upstream project "gerrit-libosmocore" build number 2,3872387gerrit-libosmocorejob/gerrit-libosmocore/COMMENT_TYPEDISTROGERRIT_BRANCHmasterGERRIT_CHANGE_NUMBER42638GERRIT_HOSTgerrit.osmocom.orgGERRIT_PATCHSET_NUMBER2GERRIT_PATCHSET_REVISION3021739a6072c60295dcea08c160cde22b8f4ecaGERRIT_PATCHSET_UPLOADER_NAMEfixeriaGERRIT_PORT29418GERRIT_PROJECTlibosmocoreGERRIT_REFSPECrefs/changes/38/42638/2GERRIT_REPO_URLssh://jenkins@gerrit.osmocom.org:29418/libosmocorePIPELINE_BUILD_URLhttps://jenkins.osmocom.org/jenkins/job/gerrit-libosmocore/2387/PROJECT_NAMElibosmocoreBRANCH_CImaster00001910601910601.00508750871315197248107c5c2007b44c4df1bec011e6c1754cda197248107c5c2007b44c4df1bec011e6c1754cdaosmith/1.9.1197248107c5c2007b44c4df1bec011e6c1754cda197248107c5c2007b44c4df1bec011e6c1754cdaosmith/1.9.12156d38417e5965ae02eaffdd87d281098f30105b8b7d38417e5965ae02eaffdd87d281098f30105b8b7pespin/rel-1.12.0d38417e5965ae02eaffdd87d281098f30105b8b7d38417e5965ae02eaffdd87d281098f30105b8b7pespin/rel-1.12.013193f0bbe398e16513906d29802d058a87655fceaf13f0bbe398e16513906d29802d058a87655fceaf1osmith/1.9.23f0bbe398e16513906d29802d058a87655fceaf13f0bbe398e16513906d29802d058a87655fceaf1osmith/1.9.21773aa177c0f4457df953e3e6e121e8806a4cf403d72aa177c0f4457df953e3e6e121e8806a4cf403d72osmith/wipaa177c0f4457df953e3e6e121e8806a4cf403d72aa177c0f4457df953e3e6e121e8806a4cf403d72osmith/wip1877a32a6ee4a6532e0c1d358ecebb8f13b8acc75dc1a32a6ee4a6532e0c1d358ecebb8f13b8acc75dc1pespin/rel-1.10.0a32a6ee4a6532e0c1d358ecebb8f13b8acc75dc1a32a6ee4a6532e0c1d358ecebb8f13b8acc75dc1pespin/rel-1.10.0209322a11a35e3feec31b86738d19f3d85406feb099a22a11a35e3feec31b86738d19f3d85406feb099aosmith/1.11.222a11a35e3feec31b86738d19f3d85406feb099a22a11a35e3feec31b86738d19f3d85406feb099aosmith/1.11.2211817ca3339e13d779a330781334e92f48d7ea87d3617ca3339e13d779a330781334e92f48d7ea87d36osmith/1.11.317ca3339e13d779a330781334e92f48d7ea87d3617ca3339e13d779a330781334e92f48d7ea87d36osmith/1.11.317403a1bb866bbc481b379034723ede51a2e4e8b9c653a1bb866bbc481b379034723ede51a2e4e8b9c65rel-1.9.13a1bb866bbc481b379034723ede51a2e4e8b9c653a1bb866bbc481b379034723ede51a2e4e8b9c65rel-1.9.1833d75a0cca8117b609da75111388bf8baea5dac0a5d75a0cca8117b609da75111388bf8baea5dac0a5arehbein/osmo_io_ipad75a0cca8117b609da75111388bf8baea5dac0a5d75a0cca8117b609da75111388bf8baea5dac0a5arehbein/osmo_io_ipa194687de74a9f5835fb56a4758860aea3e673c29060e87de74a9f5835fb56a4758860aea3e673c29060erel-1.11.187de74a9f5835fb56a4758860aea3e673c29060e87de74a9f5835fb56a4758860aea3e673c29060erel-1.11.1174355ea51049775e623880f62026ad827f580aec7a255ea51049775e623880f62026ad827f580aec7a2rel-1.9.355ea51049775e623880f62026ad827f580aec7a255ea51049775e623880f62026ad827f580aec7a2rel-1.9.323883021739a6072c60295dcea08c160cde22b8f4eca3021739a6072c60295dcea08c160cde22b8f4ecamaster3021739a6072c60295dcea08c160cde22b8f4eca3021739a6072c60295dcea08c160cde22b8f4ecamaster3021739a6072c60295dcea08c160cde22b8f4eca3021739a6072c60295dcea08c160cde22b8f4ecamasterssh://jenkins@gerrit.osmocom.org:29418/libosmocorefalse#2388191060182795gerrit-libosmocore-build #23882388falsefalse238891066SUCCESS1776433769256https://jenkins.osmocom.org/jenkins/view/All/job/gerrit-libosmocore-build/2388/tests/testsuite.atsrc/core/osmo_io.ctests/osmo_io/osmo_io_backpressure_test.ctests/osmo_io/osmo_io_backpressure_test_uring.oktests/osmo_io/osmo_io_backpressure_test.oktests/Makefile.am3021739a6072c60295dcea08c160cde22b8f4eca1776433625000https://jenkins.osmocom.org/jenkins/user/fixeriaVadim Yanitskiyvyanitskiy@sysmocom.deosmo_io: iofd_txqueue_dequeue(): fix double next->io_len decrement The fill-up logic in iofd_txqueue_dequeue() was incorrectly decrementing next->io_len twice: once when removing a buffer that didn't fit, and again when assigning to msg_iovlen. This may cause next->io_len to reach 0 and trigger an assert at osmo_io.c:274: Assert failed next->io_len > 0 Add separate osmo_io_backpressure_test to verify queue management under network backpressure conditions. Use separate .ok files for poll vs io_uring backends since they produce different I/O patterns. This unit test reproduces the assert when the fix is not applied. Change-Id: Ia96e25d11d8d683fa9dd0c56bdac257992edd782 Fixes: 3c2a02db4 ("osmo-io: Put together message buffers when dequeued from tx queue") Related: OS#6997 2026-04-17 20:47:05 +07003021739a6072c60295dcea08c160cde22b8f4ecaosmo_io: iofd_txqueue_dequeue(): fix double next->io_len decrementaddtests/osmo_io/osmo_io_backpressure_test.okedittests/testsuite.ataddtests/osmo_io/osmo_io_backpressure_test.ceditsrc/core/osmo_io.caddtests/osmo_io/osmo_io_backpressure_test_uring.okedittests/Makefile.amgithttps://jenkins.osmocom.org/jenkins/user/fixeriaVadim Yanitskiy2388https://jenkins.osmocom.org/jenkins/view/All/job/gerrit-libosmocore-build/a2=default,a3=default,a4=default,arch=amd64,label=io_uring/2388/2388https://jenkins.osmocom.org/jenkins/view/All/job/gerrit-libosmocore-build/a2=default,a3=default,a4=default,arch=arm-none-eabi,label=io_uring/2388/Started by upstream project "gerrit-libosmocore" build number 2,3872387gerrit-libosmocorejob/gerrit-libosmocore/COMMENT_TYPEDISTROGERRIT_BRANCHmasterGERRIT_CHANGE_NUMBER42638GERRIT_HOSTgerrit.osmocom.orgGERRIT_PATCHSET_NUMBER2GERRIT_PATCHSET_REVISION3021739a6072c60295dcea08c160cde22b8f4ecaGERRIT_PATCHSET_UPLOADER_NAMEfixeriaGERRIT_PORT29418GERRIT_PROJECTlibosmocoreGERRIT_REFSPECrefs/changes/38/42638/2GERRIT_REPO_URLssh://jenkins@gerrit.osmocom.org:29418/libosmocorePIPELINE_BUILD_URLhttps://jenkins.osmocom.org/jenkins/job/gerrit-libosmocore/2387/PROJECT_NAMElibosmocoreBRANCH_CImaster00001910601910601.00508750871315197248107c5c2007b44c4df1bec011e6c1754cda197248107c5c2007b44c4df1bec011e6c1754cdaosmith/1.9.1197248107c5c2007b44c4df1bec011e6c1754cda197248107c5c2007b44c4df1bec011e6c1754cdaosmith/1.9.12156d38417e5965ae02eaffdd87d281098f30105b8b7d38417e5965ae02eaffdd87d281098f30105b8b7pespin/rel-1.12.0d38417e5965ae02eaffdd87d281098f30105b8b7d38417e5965ae02eaffdd87d281098f30105b8b7pespin/rel-1.12.013193f0bbe398e16513906d29802d058a87655fceaf13f0bbe398e16513906d29802d058a87655fceaf1osmith/1.9.23f0bbe398e16513906d29802d058a87655fceaf13f0bbe398e16513906d29802d058a87655fceaf1osmith/1.9.21773aa177c0f4457df953e3e6e121e8806a4cf403d72aa177c0f4457df953e3e6e121e8806a4cf403d72osmith/wipaa177c0f4457df953e3e6e121e8806a4cf403d72aa177c0f4457df953e3e6e121e8806a4cf403d72osmith/wip1877a32a6ee4a6532e0c1d358ecebb8f13b8acc75dc1a32a6ee4a6532e0c1d358ecebb8f13b8acc75dc1pespin/rel-1.10.0a32a6ee4a6532e0c1d358ecebb8f13b8acc75dc1a32a6ee4a6532e0c1d358ecebb8f13b8acc75dc1pespin/rel-1.10.0209322a11a35e3feec31b86738d19f3d85406feb099a22a11a35e3feec31b86738d19f3d85406feb099aosmith/1.11.222a11a35e3feec31b86738d19f3d85406feb099a22a11a35e3feec31b86738d19f3d85406feb099aosmith/1.11.2211817ca3339e13d779a330781334e92f48d7ea87d3617ca3339e13d779a330781334e92f48d7ea87d36osmith/1.11.317ca3339e13d779a330781334e92f48d7ea87d3617ca3339e13d779a330781334e92f48d7ea87d36osmith/1.11.317403a1bb866bbc481b379034723ede51a2e4e8b9c653a1bb866bbc481b379034723ede51a2e4e8b9c65rel-1.9.13a1bb866bbc481b379034723ede51a2e4e8b9c653a1bb866bbc481b379034723ede51a2e4e8b9c65rel-1.9.1833d75a0cca8117b609da75111388bf8baea5dac0a5d75a0cca8117b609da75111388bf8baea5dac0a5arehbein/osmo_io_ipad75a0cca8117b609da75111388bf8baea5dac0a5d75a0cca8117b609da75111388bf8baea5dac0a5arehbein/osmo_io_ipa194687de74a9f5835fb56a4758860aea3e673c29060e87de74a9f5835fb56a4758860aea3e673c29060erel-1.11.187de74a9f5835fb56a4758860aea3e673c29060e87de74a9f5835fb56a4758860aea3e673c29060erel-1.11.1174355ea51049775e623880f62026ad827f580aec7a255ea51049775e623880f62026ad827f580aec7a2rel-1.9.355ea51049775e623880f62026ad827f580aec7a255ea51049775e623880f62026ad827f580aec7a2rel-1.9.323883021739a6072c60295dcea08c160cde22b8f4eca3021739a6072c60295dcea08c160cde22b8f4ecamaster3021739a6072c60295dcea08c160cde22b8f4eca3021739a6072c60295dcea08c160cde22b8f4ecamaster3021739a6072c60295dcea08c160cde22b8f4eca3021739a6072c60295dcea08c160cde22b8f4ecamasterssh://jenkins@gerrit.osmocom.org:29418/libosmocorefalse#2388191060182795gerrit-libosmocore-build #23882388falsefalse238891066SUCCESS1776433769256https://jenkins.osmocom.org/jenkins/view/All/job/gerrit-libosmocore-build/2388/tests/testsuite.atsrc/core/osmo_io.ctests/osmo_io/osmo_io_backpressure_test.ctests/osmo_io/osmo_io_backpressure_test_uring.oktests/osmo_io/osmo_io_backpressure_test.oktests/Makefile.am3021739a6072c60295dcea08c160cde22b8f4eca1776433625000https://jenkins.osmocom.org/jenkins/user/fixeriaVadim Yanitskiyvyanitskiy@sysmocom.deosmo_io: iofd_txqueue_dequeue(): fix double next->io_len decrement The fill-up logic in iofd_txqueue_dequeue() was incorrectly decrementing next->io_len twice: once when removing a buffer that didn't fit, and again when assigning to msg_iovlen. This may cause next->io_len to reach 0 and trigger an assert at osmo_io.c:274: Assert failed next->io_len > 0 Add separate osmo_io_backpressure_test to verify queue management under network backpressure conditions. Use separate .ok files for poll vs io_uring backends since they produce different I/O patterns. This unit test reproduces the assert when the fix is not applied. Change-Id: Ia96e25d11d8d683fa9dd0c56bdac257992edd782 Fixes: 3c2a02db4 ("osmo-io: Put together message buffers when dequeued from tx queue") Related: OS#6997 2026-04-17 20:47:05 +07003021739a6072c60295dcea08c160cde22b8f4ecaosmo_io: iofd_txqueue_dequeue(): fix double next->io_len decrementaddtests/osmo_io/osmo_io_backpressure_test.okedittests/testsuite.ataddtests/osmo_io/osmo_io_backpressure_test.ceditsrc/core/osmo_io.caddtests/osmo_io/osmo_io_backpressure_test_uring.okedittests/Makefile.amgithttps://jenkins.osmocom.org/jenkins/user/fixeriaVadim Yanitskiy2388https://jenkins.osmocom.org/jenkins/view/All/job/gerrit-libosmocore-build/a2=default,a3=default,a4=default,arch=amd64,label=io_uring/2388/2388https://jenkins.osmocom.org/jenkins/view/All/job/gerrit-libosmocore-build/a2=default,a3=default,a4=default,arch=arm-none-eabi,label=io_uring/2388/Started by upstream project "gerrit-libosmocore" build number 2,3872387gerrit-libosmocorejob/gerrit-libosmocore/COMMENT_TYPEDISTROGERRIT_BRANCHmasterGERRIT_CHANGE_NUMBER42638GERRIT_HOSTgerrit.osmocom.orgGERRIT_PATCHSET_NUMBER2GERRIT_PATCHSET_REVISION3021739a6072c60295dcea08c160cde22b8f4ecaGERRIT_PATCHSET_UPLOADER_NAMEfixeriaGERRIT_PORT29418GERRIT_PROJECTlibosmocoreGERRIT_REFSPECrefs/changes/38/42638/2GERRIT_REPO_URLssh://jenkins@gerrit.osmocom.org:29418/libosmocorePIPELINE_BUILD_URLhttps://jenkins.osmocom.org/jenkins/job/gerrit-libosmocore/2387/PROJECT_NAMElibosmocoreBRANCH_CImaster00001910601910601.00508750871315197248107c5c2007b44c4df1bec011e6c1754cda197248107c5c2007b44c4df1bec011e6c1754cdaosmith/1.9.1197248107c5c2007b44c4df1bec011e6c1754cda197248107c5c2007b44c4df1bec011e6c1754cdaosmith/1.9.12156d38417e5965ae02eaffdd87d281098f30105b8b7d38417e5965ae02eaffdd87d281098f30105b8b7pespin/rel-1.12.0d38417e5965ae02eaffdd87d281098f30105b8b7d38417e5965ae02eaffdd87d281098f30105b8b7pespin/rel-1.12.013193f0bbe398e16513906d29802d058a87655fceaf13f0bbe398e16513906d29802d058a87655fceaf1osmith/1.9.23f0bbe398e16513906d29802d058a87655fceaf13f0bbe398e16513906d29802d058a87655fceaf1osmith/1.9.21773aa177c0f4457df953e3e6e121e8806a4cf403d72aa177c0f4457df953e3e6e121e8806a4cf403d72osmith/wipaa177c0f4457df953e3e6e121e8806a4cf403d72aa177c0f4457df953e3e6e121e8806a4cf403d72osmith/wip1877a32a6ee4a6532e0c1d358ecebb8f13b8acc75dc1a32a6ee4a6532e0c1d358ecebb8f13b8acc75dc1pespin/rel-1.10.0a32a6ee4a6532e0c1d358ecebb8f13b8acc75dc1a32a6ee4a6532e0c1d358ecebb8f13b8acc75dc1pespin/rel-1.10.0209322a11a35e3feec31b86738d19f3d85406feb099a22a11a35e3feec31b86738d19f3d85406feb099aosmith/1.11.222a11a35e3feec31b86738d19f3d85406feb099a22a11a35e3feec31b86738d19f3d85406feb099aosmith/1.11.2211817ca3339e13d779a330781334e92f48d7ea87d3617ca3339e13d779a330781334e92f48d7ea87d36osmith/1.11.317ca3339e13d779a330781334e92f48d7ea87d3617ca3339e13d779a330781334e92f48d7ea87d36osmith/1.11.317403a1bb866bbc481b379034723ede51a2e4e8b9c653a1bb866bbc481b379034723ede51a2e4e8b9c65rel-1.9.13a1bb866bbc481b379034723ede51a2e4e8b9c653a1bb866bbc481b379034723ede51a2e4e8b9c65rel-1.9.1833d75a0cca8117b609da75111388bf8baea5dac0a5d75a0cca8117b609da75111388bf8baea5dac0a5arehbein/osmo_io_ipad75a0cca8117b609da75111388bf8baea5dac0a5d75a0cca8117b609da75111388bf8baea5dac0a5arehbein/osmo_io_ipa194687de74a9f5835fb56a4758860aea3e673c29060e87de74a9f5835fb56a4758860aea3e673c29060erel-1.11.187de74a9f5835fb56a4758860aea3e673c29060e87de74a9f5835fb56a4758860aea3e673c29060erel-1.11.1174355ea51049775e623880f62026ad827f580aec7a255ea51049775e623880f62026ad827f580aec7a2rel-1.9.355ea51049775e623880f62026ad827f580aec7a255ea51049775e623880f62026ad827f580aec7a2rel-1.9.323883021739a6072c60295dcea08c160cde22b8f4eca3021739a6072c60295dcea08c160cde22b8f4ecamaster3021739a6072c60295dcea08c160cde22b8f4eca3021739a6072c60295dcea08c160cde22b8f4ecamaster3021739a6072c60295dcea08c160cde22b8f4eca3021739a6072c60295dcea08c160cde22b8f4ecamasterssh://jenkins@gerrit.osmocom.org:29418/libosmocorefalse#2388191060182795gerrit-libosmocore-build #23882388falsefalse238891066SUCCESS1776433769256https://jenkins.osmocom.org/jenkins/view/All/job/gerrit-libosmocore-build/2388/tests/testsuite.atsrc/core/osmo_io.ctests/osmo_io/osmo_io_backpressure_test.ctests/osmo_io/osmo_io_backpressure_test_uring.oktests/osmo_io/osmo_io_backpressure_test.oktests/Makefile.am3021739a6072c60295dcea08c160cde22b8f4eca1776433625000https://jenkins.osmocom.org/jenkins/user/fixeriaVadim Yanitskiyvyanitskiy@sysmocom.deosmo_io: iofd_txqueue_dequeue(): fix double next->io_len decrement The fill-up logic in iofd_txqueue_dequeue() was incorrectly decrementing next->io_len twice: once when removing a buffer that didn't fit, and again when assigning to msg_iovlen. This may cause next->io_len to reach 0 and trigger an assert at osmo_io.c:274: Assert failed next->io_len > 0 Add separate osmo_io_backpressure_test to verify queue management under network backpressure conditions. Use separate .ok files for poll vs io_uring backends since they produce different I/O patterns. This unit test reproduces the assert when the fix is not applied. Change-Id: Ia96e25d11d8d683fa9dd0c56bdac257992edd782 Fixes: 3c2a02db4 ("osmo-io: Put together message buffers when dequeued from tx queue") Related: OS#6997 2026-04-17 20:47:05 +07003021739a6072c60295dcea08c160cde22b8f4ecaosmo_io: iofd_txqueue_dequeue(): fix double next->io_len decrementaddtests/osmo_io/osmo_io_backpressure_test.okedittests/testsuite.ataddtests/osmo_io/osmo_io_backpressure_test.ceditsrc/core/osmo_io.caddtests/osmo_io/osmo_io_backpressure_test_uring.okedittests/Makefile.amgithttps://jenkins.osmocom.org/jenkins/user/fixeriaVadim Yanitskiy2388https://jenkins.osmocom.org/jenkins/view/All/job/gerrit-libosmocore-build/a2=default,a3=default,a4=default,arch=amd64,label=io_uring/2388/2388https://jenkins.osmocom.org/jenkins/view/All/job/gerrit-libosmocore-build/a2=default,a3=default,a4=default,arch=arm-none-eabi,label=io_uring/2388/2389BRANCH_CImasterosmo-ci.git branch BRANCH_CIStringParameterDefinitionCOMMENT_TYPEset by gerrit verification pipeline 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