Broken Package: snmp_exporter-0.29.0_10 (FreeBSD ports r2026Q1) Working Package: snmp_exporter-0.29.0_7 (FreeBSD ports r2025Q4) Test: cd /usr/local/etc/snmp_exporter/ $ snmp_exporter_generator generate time=2026-01-21T11:35:25.684Z level=INFO source=net_snmp.go:174 msg="Loading MIBs" from=$HOME/.snmp/mibs:/usr/local/share/snmp/mibs SIGSEGV: segmentation violation PC=0x772fcc m=3 sigcode=1 addr=0x380000008e signal arrived during cgo execution goroutine 1 gp=0x874002380 m=3 mp=0x874073008 [syscall]: runtime.cgocall(0x7731f0, 0x8740df228) runtime/cgocall.go:167 +0x4b fp=0x8740df200 sp=0x8740df1c8 pc=0x547c6b main._Cfunc_get_tc_fixed_size(0x20) _cgo_gotypes.go:268 +0x45 fp=0x8740df228 sp=0x8740df200 pc=0x758d45 main.buildMIBTree(0xcdab0972300, 0x874194ff0, {0x87401ab70?, 0x2?}) github.com/prometheus/snmp_exporter/generator/net_snmp.go:247 +0x44d fp=0x8740df320 sp=0x8740df228 pc=0x75a10d main.buildMIBTree(0xcdab0972180, 0x874194e10, {0x87401ab28?, 0x2?}) github.com/prometheus/snmp_exporter/generator/net_snmp.go:267 +0x5f5 fp=0x8740df418 sp=0x8740df320 pc=0x75a2b5 main.buildMIBTree(0xcdab09720c0, 0x874194d20, {0x87401aaf8?, 0x2?}) github.com/prometheus/snmp_exporter/generator/net_snmp.go:267 +0x5f5 fp=0x8740df510 sp=0x8740df418 pc=0x75a2b5 main.buildMIBTree(0xcdab0972000, 0x874194c30, {0x874012c70?, 0x2?}) github.com/prometheus/snmp_exporter/generator/net_snmp.go:267 +0x5f5 fp=0x8740df608 sp=0x8740df510 pc=0x75a2b5 main.buildMIBTree(0xcdab0946f40, 0x874194b40, {0x874012c20?, 0x2?}) github.com/prometheus/snmp_exporter/generator/net_snmp.go:267 +0x5f5 fp=0x8740df700 sp=0x8740df608 pc=0x75a2b5 main.buildMIBTree(0xcdab0946ac0, 0x8741945a0, {0x874012880?, 0x2?}) github.com/prometheus/snmp_exporter/generator/net_snmp.go:267 +0x5f5 fp=0x8740df7f8 sp=0x8740df700 pc=0x75a2b5 main.buildMIBTree(0xcdab0837600, 0x8740f71d0, {0x874012860?, 0x2?}) github.com/prometheus/snmp_exporter/generator/net_snmp.go:267 +0x5f5 fp=0x8740df8f0 sp=0x8740df7f8 pc=0x75a2b5 main.buildMIBTree(0xcdab0837540, 0x8740f70e0, {0x874012840?, 0x2?}) github.com/prometheus/snmp_exporter/generator/net_snmp.go:267 +0x5f5 fp=0x8740df9e8 sp=0x8740df8f0 pc=0x75a2b5 main.buildMIBTree(0xcdab0837480, 0x8740f6ff0, {0x874012823?, 0x2?}) github.com/prometheus/snmp_exporter/generator/net_snmp.go:267 +0x5f5 fp=0x8740dfae0 sp=0x8740df9e8 pc=0x75a2b5 main.buildMIBTree(0xcdab08373c0, 0x8740f6f00, {0x874012810?, 0x2?}) github.com/prometheus/snmp_exporter/generator/net_snmp.go:267 +0x5f5 fp=0x8740dfbd8 sp=0x8740dfae0 pc=0x75a2b5 main.buildMIBTree(0xcdab0837300, 0x8740f6e10, {0x305548?, 0x1?}) github.com/prometheus/snmp_exporter/generator/net_snmp.go:267 +0x5f5 fp=0x8740dfcd0 sp=0x8740dfbd8 pc=0x75a2b5 main.buildMIBTree(0xcdab0837180, 0x8740f6d20, {0x0?, 0x0?}) github.com/prometheus/snmp_exporter/generator/net_snmp.go:267 +0x5f5 fp=0x8740dfdc8 sp=0x8740dfcd0 pc=0x75a2b5 main.getMIBTree() github.com/prometheus/snmp_exporter/generator/net_snmp.go:295 +0x4b fp=0x8740dfe08 sp=0x8740dfdc8 pc=0x75a68b main.main() github.com/prometheus/snmp_exporter/generator/main.go:131 +0x165 fp=0x8740dff50 sp=0x8740dfe08 pc=0x753885 runtime.main() runtime/proc.go:283 +0x27d fp=0x8740dffe0 sp=0x8740dff50 pc=0x51959d runtime.goexit({}) runtime/asm_amd64.s:1700 +0x1 fp=0x8740dffe8 sp=0x8740dffe0 pc=0x551ac1 goroutine 2 gp=0x874002e00 m=nil [force gc (idle)]: runtime.gopark(0x0?, 0x0?, 0x0?, 0x0?, 0x0?) runtime/proc.go:435 +0xce fp=0x87406cfa8 sp=0x87406cf88 pc=0x54aace runtime.goparkunlock(...) runtime/proc.go:441 runtime.forcegchelper() runtime/proc.go:348 +0xa5 fp=0x87406cfe0 sp=0x87406cfa8 pc=0x5198c5 runtime.goexit({}) runtime/asm_amd64.s:1700 +0x1 fp=0x87406cfe8 sp=0x87406cfe0 pc=0x551ac1 created by runtime.init.7 in goroutine 1 runtime/proc.go:336 +0x1a goroutine 3 gp=0x874003340 m=nil [GC sweep wait]: runtime.gopark(0x0?, 0x0?, 0x0?, 0x0?, 0x0?) runtime/proc.go:435 +0xce fp=0x87406d780 sp=0x87406d760 pc=0x54aace runtime.goparkunlock(...) runtime/proc.go:441 runtime.bgsweep(0x87407e000) runtime/mgcsweep.go:276 +0x94 fp=0x87406d7c8 sp=0x87406d780 pc=0x5049d4 runtime.gcenable.gowrap1() runtime/mgc.go:204 +0x25 fp=0x87406d7e0 sp=0x87406d7c8 pc=0x4f8f65 runtime.goexit({}) runtime/asm_amd64.s:1700 +0x1 fp=0x87406d7e8 sp=0x87406d7e0 pc=0x551ac1 created by runtime.gcenable in goroutine 1 runtime/mgc.go:204 +0x66 goroutine 4 gp=0x874003500 m=nil [GC scavenge wait]: runtime.gopark(0x87407e000?, 0x2f89f0?, 0x1?, 0x0?, 0x874003500?) runtime/proc.go:435 +0xce fp=0x87406df78 sp=0x87406df58 pc=0x54aace runtime.goparkunlock(...) runtime/proc.go:441 runtime.(*scavengerState).park(0x799c60) runtime/mgcscavenge.go:425 +0x49 fp=0x87406dfa8 sp=0x87406df78 pc=0x5024a9 runtime.bgscavenge(0x87407e000) runtime/mgcscavenge.go:653 +0x3c fp=0x87406dfc8 sp=0x87406dfa8 pc=0x5029fc runtime.gcenable.gowrap2() runtime/mgc.go:205 +0x25 fp=0x87406dfe0 sp=0x87406dfc8 pc=0x4f8f05 runtime.goexit({}) runtime/asm_amd64.s:1700 +0x1 fp=0x87406dfe8 sp=0x87406dfe0 pc=0x551ac1 created by runtime.gcenable in goroutine 1 runtime/mgc.go:205 +0xa5 goroutine 5 gp=0x874003dc0 m=nil [finalizer wait]: runtime.gopark(0x1b8?, 0x51b9c6?, 0x1?, 0x23?, 0x87406c688?) runtime/proc.go:435 +0xce fp=0x87406c630 sp=0x87406c610 pc=0x54aace runtime.runfinq() runtime/mfinal.go:196 +0x107 fp=0x87406c7e0 sp=0x87406c630 pc=0x4f7f27 runtime.goexit({}) runtime/asm_amd64.s:1700 +0x1 fp=0x87406c7e8 sp=0x87406c7e0 pc=0x551ac1 created by runtime.createfing in goroutine 1 runtime/mfinal.go:166 +0x3d goroutine 6 gp=0x8740ec1c0 m=nil [chan receive]: runtime.gopark(0x0?, 0x0?, 0x0?, 0x0?, 0x0?) runtime/proc.go:435 +0xce fp=0x87406e718 sp=0x87406e6f8 pc=0x54aace runtime.chanrecv(0x8740a43f0, 0x0, 0x1) runtime/chan.go:664 +0x445 fp=0x87406e790 sp=0x87406e718 pc=0x4ea965 runtime.chanrecv1(0x0?, 0x0?) runtime/chan.go:506 +0x12 fp=0x87406e7b8 sp=0x87406e790 pc=0x4ea512 runtime.unique_runtime_registerUniqueMapCleanup.func2(...) runtime/mgc.go:1797 runtime.unique_runtime_registerUniqueMapCleanup.gowrap1() runtime/mgc.go:1800 +0x2f fp=0x87406e7e0 sp=0x87406e7b8 pc=0x4fc00f runtime.goexit({}) runtime/asm_amd64.s:1700 +0x1 fp=0x87406e7e8 sp=0x87406e7e0 pc=0x551ac1 created by unique.runtime_registerUniqueMapCleanup in goroutine 1 runtime/mgc.go:1795 +0x79 rax 0x3800000086 rbx 0x8740df228 rcx 0x600 rdx 0x8740df1b8 rdi 0x20 rsi 0x874003180 rbp 0x871b0aed0 rsp 0x871b0aed0 r8 0x874073008 r9 0x0 r10 0x874012cf0 r11 0xffffffffffffffff r12 0x8741881a0 r13 0x27 r14 0x874002380 r15 0x35 rip 0x772fcc rflags 0x10202 cs 0x43 fs 0x13 gs 0x1b
i can reproduce this on FreeBSD 15.0-RELEASE-p1 using snmp_exporter-0.29.0_11. however, this didn't occur last time i tested this port, and it apparently wasn't caused by an upstream change since the upstream version is the same.
(In reply to Lexi Winter from comment #1) May be it's because of net-snmp: working snmp_exporter: requires net-snmp 5.9.4 (libnetsnmp.so.40) broken snmp_exporter: requires net-snmp 5.9.5 (libnetsnmp.so.45) Perhaps there is an incompatibility there?
sorry for the delay on this. i was hoping updating to current snmp_exporter and net-snmp would fix the problem, but it does not. i've filed an upstream bug: https://github.com/prometheus/snmp_exporter/issues/1570
A commit in branch main references this bug: URL: https://cgit.FreeBSD.org/ports/commit/?id=50b9359327b89a6c258f38e336ef5aad4d80eebc commit 50b9359327b89a6c258f38e336ef5aad4d80eebc Author: Lexi Winter <ivy@FreeBSD.org> AuthorDate: 2026-03-02 18:45:34 +0000 Commit: Lexi Winter <ivy@FreeBSD.org> CommitDate: 2026-03-02 18:45:34 +0000 sysutils/snmp_exporter: Fix snmp_exporter_generator crash Backport upstream PR #1550 to fix a crash when using net-snmp 5.9.5.0 or later. PR: 292628 MFH: 2026Q1 Reviewed by: arrowd, jrm Approved by: arrowd (ports) Obtained from: https://github.com/prometheus/snmp_exporter/pull/1550 Sponsored by: https://www.patreon.com/bsdivy Differential Revision: https://reviews.freebsd.org/D55620 sysutils/snmp_exporter/Makefile | 2 +- .../files/patch-generator_net__snmp.go (new) | 20 ++++++++++++++++++++ 2 files changed, 21 insertions(+), 1 deletion(-)
A commit in branch 2026Q1 references this bug: URL: https://cgit.FreeBSD.org/ports/commit/?id=6a8dd23e2557b165d077a425de5d1ce3b69e06a9 commit 6a8dd23e2557b165d077a425de5d1ce3b69e06a9 Author: Lexi Winter <ivy@FreeBSD.org> AuthorDate: 2026-03-02 18:45:34 +0000 Commit: Lexi Winter <ivy@FreeBSD.org> CommitDate: 2026-03-02 18:57:39 +0000 sysutils/snmp_exporter: Fix snmp_exporter_generator crash Backport upstream PR #1550 to fix a crash when using net-snmp 5.9.5.0 or later. PR: 292628 MFH: 2026Q1 Reviewed by: arrowd, jrm Approved by: arrowd (ports) Obtained from: https://github.com/prometheus/snmp_exporter/pull/1550 Sponsored by: https://www.patreon.com/bsdivy Differential Revision: https://reviews.freebsd.org/D55620 (cherry picked from commit 50b9359327b89a6c258f38e336ef5aad4d80eebc) sysutils/snmp_exporter/Makefile | 2 +- .../files/patch-generator_net__snmp.go (new) | 20 ++++++++++++++++++++ 2 files changed, 21 insertions(+), 1 deletion(-)