cat: wrong concatenation binary content #5186
Description
$ cat -A /proc/1/cmdline /proc/version
/sbin/init^@splash^@Linux version 6.2.0-26-generic (buildd@bos03-amd64-042) (x86_64-linux-gnu-gcc-11 (Ubuntu 11.3.0-1ubuntu1~22.04.1) 11.3.0, GNU ld (GNU Binutils for Ubuntu) 2.38) #26~22.04.1-Ubuntu SMP PREEMPT_DYNAMIC Thu Jul 13 16:27:29 UTC 2$
$ coreutils cat -A /proc/1/cmdline /proc/version
/sbin/init^@splash^@Linux version 6.2.0-26-generic (buildd@bos03-amd64-042) (x86_64-linux-gnu-gcc-11 (Ubuntu 11.3.0-1ubuntu1~22.04.1) 11.3.0, GNU ld (GNU Binutils for Ubuntu) 2.38) #26~22.04.1-Ubuntu SMP PREEMPT_DYNAMIC Thu Jul 13 16:27:29 UTC 2$
But
$ coreutils cat /proc/1/cmdline /proc/version
Linux version 6.2.0-26-generic (buildd@bos03-amd64-042) (x86_64-linux-gnu-gcc-11 (Ubuntu 11.3.0-1ubuntu1~22.04.1) 11.3.0, GNU ld (GNU Binutils for Ubuntu) 2.38) #26~22.04.1-Ubuntu SMP PREEMPT_DYNAMIC Thu Jul 13 16:27:29 UTC 2
/sbin/initsplash
$ cat /proc/1/cmdline /proc/version
/sbin/initsplashLinux version 6.2.0-26-generic (buildd@bos03-amd64-042) (x86_64-linux-gnu-gcc-11 (Ubuntu 11.3.0-1ubuntu1~22.04.1) 11.3.0, GNU ld (GNU Binutils for Ubuntu) 2.38) #26~22.04.1-Ubuntu SMP PREEMPT_DYNAMIC Thu Jul 13 16:27:29 UTC 2