13768 2020-02-02 18:11:21 +0000 base-files do_package fatal error in subprocess 2021-10-16 01:35:56 +0000 1 1 7 Build System, Metadata & Runtime Meta-yocto meta-yocto 3.4 x86 Multiple RESOLVED WORKSFORME Medium+ normal 3.4 M4 1 jordan.denny5 jordan.denny5 otavio poky.bs.watcher poky.watcher randy.macleod --- --- No (bug/feature does not impact docs) oldest_to_newest 86251 0 4627 jordan.denny5 2020-02-02 18:11:21 +0000 Created attachment 4627 base-files subprocess error The recipe for base-files errors in the do_package step due to the subprocess command dying from a received SIGSYS signal. See the attached log for more information. The error was discussed here https://patchwork.openembedded.org/patch/165913/, but the accepted patch did not fix the bug on my system. However the run-time solution given by Richard Purdie solved the issue, by disabling sand-boxing when running the file command. diff --git a/meta/lib/oe/package.py b/meta/lib/oe/package.py index b8585d4253..0c22307c46 100644 --- a/meta/lib/oe/package.py +++ b/meta/lib/oe/package.py @@ -71,7 +71,7 @@ def is_kernel_module_signed(path): # 16 - kernel module def is_elf(path): exec_type = 0 - result = subprocess.check_output(["file", "-b", path], stderr=subprocess.STDOUT).decode("utf-8") + result = subprocess.check_output(["file", "-S", "-b", path], stderr=subprocess.STDOUT).decode("utf-8") if "ELF" in result: exec_type |= 1 86337 1 randy.macleod 2020-02-06 15:44:24 +0000 A proper fix would detect this problem then use a wrapper script but only if seccomp is present. 86458 2 jordan.denny5 2020-02-16 01:12:30 +0000 Hey Randy, So I am not an expert by any means on seccomp, but it seems that detecting that the file program is compiled with this feature is difficult. I could read the audit log to determine that SIGSYS was indeed produced by an un-allowed system call like seen below [ 3613.158929] audit: type=1326 audit(1581812421.392:103): auid=1000 uid=1000 gid=1000 ses=2 subj==unconfined pid=6379 comm="file" exe="/usr/bin/file" sig=31 arch=c000003e syscall=39 compat=0 ip=0x7ff59f04a76b code=0x0 Through my research, it seems that I could check /proc/PID/status for the Seccomp flag, but this also doesn't seem viable. The file command also states for the "-S" option that "On systems where sandboxing is not available, this option has no effect" It seems like we can safely use this option. 91532 3 randy.macleod 2021-09-23 15:19:28 +0000 Christopher/Jordan, We think this is fixed for most users. What is you host system? 91757 4 randy.macleod 2021-10-14 15:07:33 +0000 Let us know if there's still a problem. 4627 2020-02-02 18:11:21 +0000 2020-02-02 18:11:21 +0000 base-files subprocess error log.do_package.10795 application/octet-stream 6145 jordan.denny5 REVCVUc6IEV4ZWN1dGluZyBweXRob24gZnVuY3Rpb24gc3N0YXRlX3Rhc2tfcHJlZnVuYwpERUJV RzogUHl0aG9uIGZ1bmN0aW9uIHNzdGF0ZV90YXNrX3ByZWZ1bmMgZmluaXNoZWQKREVCVUc6IEV4 ZWN1dGluZyBweXRob24gZnVuY3Rpb24gZXh0ZW5kX3JlY2lwZV9zeXNyb290Ck5PVEU6IERpcmVj dCBkZXBlbmRlbmNpZXMgYXJlIFsndmlydHVhbDpuYXRpdmU6L2hvbWUvY2hyaXN0b3BoZXIvRG9j dW1lbnRzL3Bva3kvYnVpbGQvLi4vbWV0YS9yZWNpcGVzLWRldnRvb2xzL3JwbS9ycG1fNC4xNC4y LjEuYmI6ZG9fcG9wdWxhdGVfc3lzcm9vdCcsICd2aXJ0dWFsOm5hdGl2ZTovaG9tZS9jaHJpc3Rv cGhlci9Eb2N1bWVudHMvcG9reS9idWlsZC8uLi9tZXRhL3JlY2lwZXMtZGV2dG9vbHMvcHNldWRv L3BzZXVkb19naXQuYmI6ZG9fcG9wdWxhdGVfc3lzcm9vdCcsICd2aXJ0dWFsOm5hdGl2ZTovaG9t ZS9jaHJpc3RvcGhlci9Eb2N1bWVudHMvcG9reS9idWlsZC8uLi9tZXRhL3JlY2lwZXMtZGV2dG9v 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