syscallcompat: Openat: always set O_CLOEXEC

Let's not leak fds to logger.

Before:

	$ lsof -p $(pgrep logger)
	COMMAND    PID  USER   FD   TYPE             DEVICE  SIZE/OFF    NODE NAME
	logger  146410 jakob  cwd    DIR              253,0      4096       2 /
	logger  146410 jakob  rtd    DIR              253,0      4096       2 /
	logger  146410 jakob  txt    REG              253,0     41560 6293858 /usr/bin/logger
	logger  146410 jakob  mem    REG              253,0 229754784 6292695 /usr/lib/locale/locale-archive
	logger  146410 jakob  mem    REG              253,0    186480 6292031 /usr/lib64/libgcc_s-14-20240508.so.1
	logger  146410 jakob  mem    REG              253,0    787128 6294119 /usr/lib64/libzstd.so.1.5.6
	logger  146410 jakob  mem    REG              253,0    211424 6294587 /usr/lib64/liblzma.so.5.4.6
	logger  146410 jakob  mem    REG              253,0    131128 6302636 /usr/lib64/liblz4.so.1.9.4
	logger  146410 jakob  mem    REG              253,0     49184 6302330 /usr/lib64/libcap.so.2.69
	logger  146410 jakob  mem    REG              253,0   2476880 6295299 /usr/lib64/libc.so.6
	logger  146410 jakob  mem    REG              253,0    987256 6292058 /usr/lib64/libsystemd.so.0.38.0
	logger  146410 jakob  mem    REG              253,0    906256 6295295 /usr/lib64/ld-linux-x86-64.so.2
	logger  146410 jakob    0r  FIFO               0,14       0t0  607727 pipe
	logger  146410 jakob    1w   CHR                1,3       0t0       4 /dev/null
	logger  146410 jakob    2w   CHR                1,3       0t0       4 /dev/null
	logger  146410 jakob    3u  unix 0x0000000046d9c96b       0t0  607729 type=DGRAM (CONNECTED)
	logger  146410 jakob   10u   DIR               0,33        80    7758 /tmp/tmp.lbUiEw9P6W/a

After:

	$ lsof -p $(pgrep logger)
	COMMAND    PID  USER   FD   TYPE             DEVICE  SIZE/OFF    NODE NAME
	logger  147982 jakob  cwd    DIR              253,0      4096       2 /
	logger  147982 jakob  rtd    DIR              253,0      4096       2 /
	logger  147982 jakob  txt    REG              253,0     41560 6293858 /usr/bin/logger
	logger  147982 jakob  mem    REG              253,0 229754784 6292695 /usr/lib/locale/locale-archive
	logger  147982 jakob  mem    REG              253,0    186480 6292031 /usr/lib64/libgcc_s-14-20240508.so.1
	logger  147982 jakob  mem    REG              253,0    787128 6294119 /usr/lib64/libzstd.so.1.5.6
	logger  147982 jakob  mem    REG              253,0    211424 6294587 /usr/lib64/liblzma.so.5.4.6
	logger  147982 jakob  mem    REG              253,0    131128 6302636 /usr/lib64/liblz4.so.1.9.4
	logger  147982 jakob  mem    REG              253,0     49184 6302330 /usr/lib64/libcap.so.2.69
	logger  147982 jakob  mem    REG              253,0   2476880 6295299 /usr/lib64/libc.so.6
	logger  147982 jakob  mem    REG              253,0    987256 6292058 /usr/lib64/libsystemd.so.0.38.0
	logger  147982 jakob  mem    REG              253,0    906256 6295295 /usr/lib64/ld-linux-x86-64.so.2
	logger  147982 jakob    0r  FIFO               0,14       0t0  609636 pipe
	logger  147982 jakob    1w   CHR                1,3       0t0       4 /dev/null
	logger  147982 jakob    2w   CHR                1,3       0t0       4 /dev/null
	logger  147982 jakob    3u  unix 0x00000000bc46d033       0t0  610344 type=DGRAM (CONNECTED)

Fixes https://github.com/rfjakob/gocryptfs/issues/846

0 files changed, 0 insertions, 0 deletions