On 24/09/2025 17:05, Hannes Braun via GNU coreutils Bug Reports wrote:
* src/tail.c (file_lines): Seek to the previous block instead of the beginning (or a little before) of the block that was just scanned. Otherwise, the same block is read and scanned (at least partially) again. This bug was introduced by commit v9.7-219-g976f8abc1. --- src/tail.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)diff --git a/src/tail.c b/src/tail.c index b8bef1d91..c7779c77d 100644 --- a/src/tail.c +++ b/src/tail.c @@ -596,7 +596,7 @@ file_lines (char const *prettyname, int fd, struct stat const *sb, goto free_buffer; }- pos = xlseek (fd, -bufsize, SEEK_CUR, prettyname);+ pos = xlseek (fd, -(bufsize + bytes_read), SEEK_CUR, prettyname); bytes_read = read (fd, buffer, bufsize); if (bytes_read < 0) {
Handled on the main list, with: https://github.com/coreutils/coreutils/commit/914972e Marking this as done. thanks, Padraig
