"Valdis Klētnieks" <valdis.kletnieks@xxxxxx> writes: > On Fri, 29 Nov 2019 23:37:35 -0500, Jeffrey Walton said: > > repl: bad addresses: > Valentin VidiD <vvidic@xxxxxxxxxxxxxxxxxxxxxx> -- no mailbox in address, only a phrase (Valentin VidiD) >> On Fri, Nov 29, 2019 at 3:04 PM Jeffrey Walton <noloader@xxxxxxxxx> wrote: >> > ... >> > So now I am at: >> > >> > $ gcc -Wall -g2 -O1 ktls.c -o ktls >> > $ ./ktls >> > setsockopt failed, 524, Unknown error 524 >> >> Now open in the Fedora bug tracker: >> https://bugzilla.redhat.com/show_bug.cgi?id=1778348 > > Looks like the 'unknown error' issue is a glibc strerror() problem. On the > kernel side, git blame says: > > [/usr/src/linux-next] git blame include/linux/errno.h | grep -C 5 524 > ^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 22) > ^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 23) /* Defined for the NFSv3 protocol */ > ^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 24) #define EBADHANDLE 521 /* Illegal NFS file handle */ > ^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 25) #define ENOTSYNC 522 /* Update synchronization mismatch */ > ^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 26) #define EBADCOOKIE 523 /* Cookie is stale */ > ^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 27) #define ENOTSUPP 524 /* Operation is not supported */ > ^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 28) #define ETOOSMALL 525 /* Buffer or request is too small */ > ^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 29) #define ESERVERFAULT 526 /* An untranslatable error occurred */ > > So I'm mystified why glibc's strerror() doesn't handle it. > Though I think Alexander is correct on why the kernel returns ENOTSUPP. include/linux/errno.h is kernel internal only. The UAPI header is uapi/linux/errno.h, which is an alias for uapi/asm/errno.h. There is no 524 in include/uapi/asm-generic/errno.h or include/uapi/asm-generic/errno-base.h The codes in include/linux/errno.h should be translated for userspace. This does look like a bug in the kernel tls code. Bjørn _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx https://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
