37425 2019-11-05 16:08:52 +0300 [aarch64] systemd re-exec is fatally broken 2019-11-08 15:47:09 +0300 1 1 4 Development Sisyphus systemd unstable aarch64 Linux NEW P3 normal --- 1 sbolshakov shaba arseny glebfm iv ldv mike shaba qa-sisyphus oldest_to_newest 185320 0 8363 sbolshakov 2019-11-05 16:08:52 +0300 Created attachment 8363 systemd backtrace # apt-get dist-upgrade Reading Package Lists... Done Building Dependency Tree... Done Calculating Upgrade... Done The following packages will be upgraded glibc-core glibc-gconv-modules glibc-locales glibc-nss glibc-preinstall glibc-pthread glibc-timezones glibc-utils iconv 9 upgraded, 0 newly installed, 0 removed and 0 not upgraded. Need to get 0B/8906kB of archives. After unpacking 4032B disk space will be freed. Do you want to continue? [Y/n] Committing changes... Preparing... ################################# [100%] Updating / installing... 1: glibc-preinstall-6:2.27-alt11 ################################# [ 6%] 2: glibc-core-6:2.27-alt11 ################################# [ 11%] 3: glibc-pthread-6:2.27-alt11 ################################# [ 17%] 4: glibc-gconv-modules-6:2.27-alt11 ################################# [ 22%] 5: iconv-6:2.27-alt11 ################################# [ 28%] 6: glibc-timezones-6:2.27-alt11 ################################# [ 33%] 7: glibc-nss-6:2.27-alt11 ################################# [ 39%] 8: glibc-utils-6:2.27-alt11 ################################# [ 44%] 9: glibc-locales-6:2.27-alt11 ################################# [ 50%] Cleaning up / removing... 10: glibc-locales-6:2.27-alt10 ################################# [ 56%] 11: glibc-utils-6:2.27-alt10 ################################# [ 61%] 12: glibc-timezones-6:2.27-alt10 ################################# [ 67%] 13: iconv-6:2.27-alt10 ################################# [ 72%] 14: glibc-gconv-modules-6:2.27-alt10 ################################# [ 78%] 15: glibc-nss-6:2.27-alt10 ################################# [ 83%] 16: glibc-pthread-6:2.27-alt10 ################################# [ 89%] 17: glibc-core-6:2.27-alt10 ################################# [ 94%] 18: glibc-preinstall-6:2.27-alt10 ################################# [100%] [ 608.602441] systemd[1]: Caught <ABRT>, dumped core as pid 1027. [ 608.608614] systemd[1]: Freezing execution. Done. 185336 1 ldv 2019-11-05 23:38:46 +0300 Между -alt10 и -alt11 были коммиты, затрагивающие непосредственно aarch64: $ git log --no-merges --oneline 2.27-alt10..2.27-alt11 -- $(find sysdeps/ -name aarch64) 5f0d2e0491 [AArch64] Add ifunc support for Ares e6b7252040 aarch64,falkor: Use vector registers for memcpy c74b884f70 aarch64,falkor: Ignore prefetcher tagging for smaller copies 0fc5934ebd aarch64/strncmp: Use lsr instead of mov+lsr e0a0bd3acc aarch64/strncmp: Unbreak builds with old binutils 638caf3000 aarch64: Improve strncmp for mutually misaligned inputs d5f45a29ff aarch64/strcmp: fix misaligned loop jump target 40df047b3b aarch64: Fix branch target to loop16 062139f233 aarch64: Optimized memcmp for medium to large sizes f3e2add213 aarch64: Use the L() macro for labels in memcmp bdd16894aa aarch64: handle STO_AARCH64_VARIANT_PCS Все эти коммиты были смержены вместе со стабильным бранчем release/2.27/master. Непонятно, почему обновление с 2.27-alt10 до 2.27-alt11 так себя проявило только сейчас. Если бы ошибка "stack smashing detected" не произошла на фоне обновления glibc, я бы вообще предложил сперва посмотреть на libsystemd. 185337 2 sbolshakov 2019-11-05 23:44:59 +0300 Да, я смотрел в git log. Проблема не проявляется на чистой установке, уже с -alt11, но именно при upgrade и только на aarch64. Принимая во внимание, что alt11 уже успела добраться до p9, последствия могут быть малоприятными. 185355 3 sbolshakov 2019-11-06 12:05:57 +0300 upd: проявляется и на чистых установках. 185375 4 mike 2019-11-07 03:35:51 +0300 (В ответ на комментарий №2) > Принимая во внимание, что alt11 уже успела добраться до p9, > последствия могут быть малоприятными. Похоже, регламент ждут поправки... 185388 5 sbolshakov 2019-11-07 13:21:51 +0300 upd падает так же, даже если делать upgrade на локально пересобранную 2.27-alt10 (+ %set_gcc_version 8) 185389 6 ldv 2019-11-07 13:24:20 +0300 (In reply to comment #5) > upd падает так же, даже если делать upgrade на локально пересобранную > 2.27-alt10 (+ %set_gcc_version 8) Может, всё-таки посмотреть на libsystemd? 185390 7 ldv 2019-11-07 13:25:59 +0300 (In reply to comment #5) > upd падает так же, даже если делать upgrade на локально пересобранную > 2.27-alt10 (+ %set_gcc_version 8) А если не делать upgrade, а просто сказать "/sbin/telinit u"? 185392 8 sbolshakov 2019-11-07 15:46:08 +0300 ну да, просто reexec ва(In reply to comment #7) > (In reply to comment #5) > > upd падает так же, даже если делать upgrade на локально пересобранную > > 2.27-alt10 (+ %set_gcc_version 8) > > А если не делать upgrade, а просто сказать "/sbin/telinit u"? да, простой reexec точно так же может привести к проблеме -- не каждый раз и не везде (= не на любом железе), но довольно часто. 185393 9 ldv 2019-11-07 15:52:40 +0300 (In reply to comment #8) > да, простой reexec точно так же может привести к проблеме -- > не каждый раз и не везде (= не на любом железе), но довольно часто. Тогда перевешу пока на systemd. Не то, чтобы это на что-то повлияло, но всё же. 8363 2019-11-05 16:08:52 +0300 2019-11-05 16:08:52 +0300 systemd backtrace btfull.1027 text/plain 6686 sbolshakov W05ldyBMV1AgMTAyN10KW05ldyBMV1AgMV0KW1RocmVhZCBkZWJ1Z2dpbmcgdXNpbmcgbGlidGhy ZWFkX2RiIGVuYWJsZWRdClVzaW5nIGhvc3QgbGlidGhyZWFkX2RiIGxpYnJhcnkgIi9saWI2NC9s aWJ0aHJlYWRfZGIuc28uMSIuCkNvcmUgd2FzIGdlbmVyYXRlZCBieSBgL2xpYi9zeXN0ZW1kL3N5 c3RlbWQgLS1zeXN0ZW0gLS1kZXNlcmlhbGl6ZSAyMScuClByb2dyYW0gdGVybWluYXRlZCB3aXRo IHNpZ25hbCBTSUdBQlJULCBBYm9ydGVkLgojMCAgMHgwMDAwZmZmZjkxOTQ2Nzg4IGluIGtpbGwg KCkgYXQgLi4vc3lzZGVwcy91bml4L3N5c2NhbGwtdGVtcGxhdGUuUzo3OAo3OAlUX1BTRVVETyAo U1lTQ0FMTF9TWU1CT0wsIFNZU0NBTExfTkFNRSwgU1lTQ0FMTF9OQVJHUykKW0N1cnJlbnQgdGhy ZWFkIGlzIDEgKExXUCAxMDI3KV0KIzAgIDB4MDAwMGZmZmY5MTk0Njc4OCBpbiBraWxsICgpIGF0 IC4uL3N5c2RlcHMvdW5peC9zeXNjYWxsLXRlbXBsYXRlLlM6NzgKTm8gbG9jYWxzLgojMSAgMHgw MDAwYWFhYWIwYTM3NTcwIGluIGNyYXNoIChzaWc9NikgYXQgLi4vc3JjL2NvcmUvbWFpbi5jOjIx 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