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Merge pull request #6846 from keszybz/fix-udev_event_apply_format

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Fix udev_event_apply_format()
This commit is contained in:
Lennart Poettering 2017-09-17 12:04:21 +02:00 committed by GitHub
commit 88ab4a68cc
3 changed files with 6 additions and 5 deletions
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2
src/core/dbus-execute.c
View File

@ -2150,7 +2150,7 @@ int bus_exec_context_set_transient_property(
m = exec_keyring_mode_from_string(s);
if (m < 0)
return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid key ring mode");
return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid keyring mode");
if (mode != UNIT_CHECK) {
c->keyring_mode = m;

2
src/core/execute.c
View File

@ -2270,7 +2270,7 @@ static int setup_keyring(
if (setregid(saved_gid, -1) < 0)
return log_error_errno(errno, "Failed to change GID back for user keyring: %m");
}
}
}
return 0;
}

7
src/udev/udev-event.c
View File

@ -362,7 +362,7 @@ size_t udev_event_apply_format(struct udev_event *event,
}
copy:
/* copy char */
if (l == 0)
if (l < 2) /* need space for this char and the terminating NUL */
goto out;
s[0] = from[0];
from++;
@ -377,12 +377,12 @@ subst:
unsigned int i;
from++;
for (i = 0; from[i] != '}'; i++) {
for (i = 0; from[i] != '}'; i++)
if (from[i] == '\0') {
log_error("missing closing brace for format '%s'", src);
goto out;
}
}
if (i >= sizeof(attrbuf))
goto out;
memcpy(attrbuf, from, i);
@ -407,6 +407,7 @@ subst:
}
out:
assert(l >= 1);
s[0] = '\0';
return l;
}