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| author | Lennart Poettering <lennart@poettering.net> | 2022-09-02 18:35:03 +0200 |
|---|---|---|
| committer | Yu Watanabe <watanabe.yu+github@gmail.com> | 2022-09-02 20:06:18 +0200 |
| commit | f1ee066840eea748ad4074ac2bc859bb897953b9 (patch) | |
| tree | 8d5a5e2ed9a47a13baa1d9c8c9c978890d97cb67 | |
| parent | Merge pull request #24536 from yuwata/dissect-take-loop-device (diff) | |
| download | systemd-f1ee066840eea748ad4074ac2bc859bb897953b9.tar.xz systemd-f1ee066840eea748ad4074ac2bc859bb897953b9.zip | |
log: don't attempt to duplicate closed fd
if the console fd is not open we shouldn#t try to move it out of the 0…2
range.
Fixes: #24535
Alternative-for: #24537
| -rw-r--r-- | src/basic/log.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/basic/log.c b/src/basic/log.c index cac17a76f4..c5e16d669b 100644 --- a/src/basic/log.c +++ b/src/basic/log.c @@ -1460,7 +1460,7 @@ int log_dup_console(void) { /* Duplicate the fd we use for fd logging if it's < 3 and use the copy from now on. This call is useful * whenever we want to continue logging through the original fd, but want to rearrange stderr. */ - if (console_fd >= 3) + if (console_fd < 0 || console_fd >= 3) return 0; copy = fcntl(console_fd, F_DUPFD_CLOEXEC, 3); |