35901 2019-01-14 20:54:54 +0300 Не показывает папки, если количество файлов в них превышает 29 шт. 2020-12-19 22:13:04 +0300 1 1 4 Development Sisyphus vsftpd unstable all Linux CLOSED FIXED P3 normal --- 1 gryzun_an shaba admin1 rider shaba qa-sisyphus oldest_to_newest 177340 0 gryzun_an 2019-01-14 20:54:54 +0300 Если количество элементов в папке на ftp сервере превышает 29 - сервер разрывает соединение данных. Причины такого поведения, кроются в sandbox в котором запускается vsftpd. При перечислении файлов в запрошенной папке, vsftpd успешно перечисляет их, а затем пытается отсортировать вызовом qsort. Если количество элементов для сортировки qsort превышает 31, то под них выделяется память, а перед её выделением происходит проверка количества установленного ОЗУ машины. Для проверки используется ядерная функция sysinfo, которая запрещена песочницей. В качеств исправления предлагаю добавить следующие строки в файл seccompsandbox.c, функция seccomp_sandbox_setup_base: /* Needed for qsort. */ allow_nr(__NR_sysinfo); Изменённый файл seccompsandbox.c прилагаю. 177341 1 7944 gryzun_an 2019-01-14 20:56:05 +0300 Created attachment 7944 Исправление проблемы 188121 2 admin1 2020-02-23 21:47:58 +0300 Другой вариант ухода от проблемы (не её исправление), добавить в файл конфига vsftpd строку отключающую песочницу - seccomp_sandbox=NO Проблема всё-ещё воспроизводится на vsftpd: version 3.0.3 в alt starterkit p9 Подобный баг уже появлялся ранее https://bugzilla.altlinux.org/show_bug.cgi?id=27752 195072 3 repository-robot 2020-12-19 22:13:04 +0300 vsftpd-3.0.3-alt2 -> sisyphus: Sat Dec 19 2020 Dmitry V. Levin <ldv@altlinux> 3.0.3-alt2 - Updated seccomp filter (closes: #27752, #35901). - Fixed build with gcc-10. 7944 2019-01-14 20:56:05 +0300 2019-01-14 20:56:05 +0300 Исправление проблемы seccompsandbox.c text/x-csrc 16602 gryzun_an LyoKICogUGFydCBvZiBWZXJ5IFNlY3VyZSBGVFBkCiAqIExpY2VuY2U6IEdQTCB2MgogKiBBdXRo b3I6IENocmlzIEV2YW5zCiAqIHNlY2NvbXBzYW5kYm94LmMKICoKICogQ29kZSB0byBsb2NrIGRv d24gdGhlIGFjY2Vzc2libGUga2VybmVsIEFQSSBpbiBhIExpbnV4IHNlY2NvbXAgZmlsdGVyCiAq IHNhbmRib3guIFdvcmtzIGluIFVidW50dSAxMS4xMCBhbmQgbmV3ZXIuCiAqLwoKI2luY2x1ZGUg InNlY2NvbXBzYW5kYm94LmgiCgojaWYgZGVmaW5lZChfX2xpbnV4X18pICYmIGRlZmluZWQoX194 ODZfNjRfXykKCiNpZm5kZWYgX0dOVV9TT1VSQ0UKICNkZWZpbmUgX0dOVV9TT1VSQ0UgMQojZW5k aWYKCiNpbmNsdWRlICJzZXNzaW9uLmgiCiNpbmNsdWRlICJzeXN1dGlsLmgiCiNpbmNsdWRlICJ0 dW5hYmxlcy5oIgojaW5jbHVkZSAidXRpbGl0eS5oIgoKI2luY2x1ZGUgPGVycm5vLmg+CgojaW5j bHVkZSA8bmV0aW5ldC9pbi5oPgojaW5jbHVkZSA8bmV0aW5ldC90Y3AuaD4KCiNpbmNsdWRlIDxz 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