diff options
| -rw-r--r-- | TODO | 1 | ||||
| -rw-r--r-- | catalog/systemd.catalog.in | 11 | ||||
| -rw-r--r-- | src/coredump/coredump.c | 31 | ||||
| -rw-r--r-- | src/systemd/sd-messages.h | 1 |
4 files changed, 31 insertions, 13 deletions
@@ -670,6 +670,7 @@ Features: * coredump: - save coredump in Windows/Mozilla minidump format + - when truncating coredumps, also log the full size that the process had, and make a metadata field so we can report truncated coredumps * support crash reporting operation modes (https://live.gnome.org/GnomeOS/Design/Whiteboards/ProblemReporting) diff --git a/catalog/systemd.catalog.in b/catalog/systemd.catalog.in index 8de8597fe9..2c72d31290 100644 --- a/catalog/systemd.catalog.in +++ b/catalog/systemd.catalog.in @@ -88,6 +88,17 @@ Process @COREDUMP_PID@ (@COREDUMP_COMM@) crashed and dumped core. This usually indicates a programming error in the crashing program and should be reported to its vendor as a bug. +-- 5aadd8e954dc4b1a8c954d63fd9e1137 +Subject: Core file was truncated to @SIZE_LIMIT@ bytes. +Defined-By: systemd +Support: %SUPPORT_URL% +Documentation: man:coredump.conf(5) + +The process had more memory mapped than the configured maximum for processing +and storage by systemd-coredump(8). Only the first @SIZE_LIMIT@ bytes were +saved. This core might still be usable, but various tools like gdb(1) will warn +about the file being truncated. + -- fc2e22bc6ee647b6b90729ab34a250b1 de Subject: Speicherabbild für Prozess @COREDUMP_PID@ (@COREDUMP_COMM) generiert Defined-By: systemd diff --git a/src/coredump/coredump.c b/src/coredump/coredump.c index ecb38bdd8c..db60d0af7a 100644 --- a/src/coredump/coredump.c +++ b/src/coredump/coredump.c @@ -28,9 +28,10 @@ #include <elfutils/libdwfl.h> #endif +#include "sd-daemon.h" #include "sd-journal.h" #include "sd-login.h" -#include "sd-daemon.h" +#include "sd-messages.h" #include "acl-util.h" #include "alloc-util.h" @@ -133,6 +134,10 @@ static int parse_config(void) { false, NULL); } +static inline uint64_t storage_size_max(void) { + return arg_storage == COREDUMP_STORAGE_EXTERNAL ? arg_external_size_max : arg_journal_size_max; +} + static int fix_acl(int fd, uid_t uid) { #ifdef HAVE_ACL @@ -329,12 +334,13 @@ static int save_external_coredump( /* Is coredumping disabled? Then don't bother saving/processing the coredump. * Anything below PAGE_SIZE cannot give a readable coredump (the kernel uses * ELF_EXEC_PAGESIZE which is not easily accessible, but is usually the same as PAGE_SIZE. */ - log_info("Core dumping has been disabled for process %s (%s).", context[CONTEXT_PID], context[CONTEXT_COMM]); + log_info("Resource limits disable core dumping for process %s (%s).", + context[CONTEXT_PID], context[CONTEXT_COMM]); return -EBADSLT; } /* Never store more than the process configured, or than we actually shall keep or process */ - max_size = MIN(rlimit, MAX(arg_process_size_max, arg_external_size_max)); + max_size = MIN(rlimit, MAX(arg_process_size_max, storage_size_max())); r = make_filename(context, &fn); if (r < 0) @@ -347,19 +353,18 @@ static int save_external_coredump( return log_error_errno(fd, "Failed to create temporary file for coredump %s: %m", fn); r = copy_bytes(input_fd, fd, max_size, false); - if (r == -EFBIG) { - log_error("Coredump of %s (%s) is larger than configured processing limit, refusing.", context[CONTEXT_PID], context[CONTEXT_COMM]); - goto fail; - } else if (IN_SET(r, -EDQUOT, -ENOSPC)) { - log_error("Not enough disk space for coredump of %s (%s), refusing.", context[CONTEXT_PID], context[CONTEXT_COMM]); - goto fail; - } else if (r < 0) { - log_error_errno(r, "Failed to dump coredump to file: %m"); + if (r < 0) { + log_error_errno(r, "Cannot store coredump of %s (%s): %m", context[CONTEXT_PID], context[CONTEXT_COMM]); goto fail; - } + } else if (r == 1) + log_struct(LOG_INFO, + LOG_MESSAGE("Core file was truncated to %zu bytes.", max_size), + "SIZE_LIMIT=%zu", max_size, + LOG_MESSAGE_ID(SD_MESSAGE_TRUNCATED_CORE), + NULL); if (fstat(fd, &st) < 0) { - log_error_errno(errno, "Failed to fstat coredump %s: %m", coredump_tmpfile_name(tmp)); + log_error_errno(errno, "Failed to fstat core file %s: %m", coredump_tmpfile_name(tmp)); goto fail; } diff --git a/src/systemd/sd-messages.h b/src/systemd/sd-messages.h index 3c44d63021..79246ae060 100644 --- a/src/systemd/sd-messages.h +++ b/src/systemd/sd-messages.h @@ -40,6 +40,7 @@ _SD_BEGIN_DECLARATIONS; #define SD_MESSAGE_JOURNAL_USAGE SD_ID128_MAKE(ec,38,7f,57,7b,84,4b,8f,a9,48,f3,3c,ad,9a,75,e6) #define SD_MESSAGE_COREDUMP SD_ID128_MAKE(fc,2e,22,bc,6e,e6,47,b6,b9,07,29,ab,34,a2,50,b1) +#define SD_MESSAGE_TRUNCATED_CORE SD_ID128_MAKE(5a,ad,d8,e9,54,dc,4b,1a,8c,95,4d,63,fd,9e,11,37) #define SD_MESSAGE_SESSION_START SD_ID128_MAKE(8d,45,62,0c,1a,43,48,db,b1,74,10,da,57,c6,0c,66) #define SD_MESSAGE_SESSION_STOP SD_ID128_MAKE(33,54,93,94,24,b4,45,6d,98,02,ca,83,33,ed,42,4a) |