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update-utmp: shorten comm on boot/shutdown

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audit_log_user_comm_message from libaudit 4.2 rejects comm arguments
that exceed the kernel's comm limit of 15 characters with EINVAL. The
hard-coded "systemd-update-utmp" exceeds this by 4 characters. Shorten
it to "update-utmp" instead.
This commit is contained in:
Markus Boehme
2026-07-29 11:41:17 +09:00
committed by GitHub
parent 89de9a9ccb
commit b8968c4921
1 changed files with 2 additions and 2 deletions
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src/update-utmp/update-utmp.c
+2 -2
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@@ -63,7 +63,7 @@ static int verb_on_reboot(int argc, char *argv[], uintptr_t _data, void *userdat
#if HAVE_AUDIT
if (c->audit_fd >= 0)
if (sym_audit_log_user_comm_message(c->audit_fd, AUDIT_SYSTEM_BOOT, "", "systemd-update-utmp", NULL, NULL, NULL, 1) < 0 &&
if (sym_audit_log_user_comm_message(c->audit_fd, AUDIT_SYSTEM_BOOT, "", "update-utmp", NULL, NULL, NULL, 1) < 0 &&
errno != EPERM)
q = log_error_errno(errno, "Failed to send audit message: %m");
#endif
@@ -93,7 +93,7 @@ static int verb_on_shutdown(int argc, char *argv[], uintptr_t _data, void *userd
Context *c = ASSERT_PTR(userdata);
if (c->audit_fd >= 0)
if (sym_audit_log_user_comm_message(c->audit_fd, AUDIT_SYSTEM_SHUTDOWN, "", "systemd-update-utmp", NULL, NULL, NULL, 1) < 0 &&
if (sym_audit_log_user_comm_message(c->audit_fd, AUDIT_SYSTEM_SHUTDOWN, "", "update-utmp", NULL, NULL, NULL, 1) < 0 &&
errno != EPERM)
q = log_error_errno(errno, "Failed to send audit message: %m");
#endif