From: Sergey Vlasov <vsu@altlinux.ru> To: devel@lists.altlinux.org Subject: Re: [devel] mtools-4.0.10-alt1: Sisyphus/i586 test rebuild failed Date: Mon, 20 Jul 2009 15:42:11 +0400 Message-ID: <20090720114211.GA16786@newmaster.mivlgu.local> (raw) In-Reply-To: <20090720105828.GA16178@osdn.org.ua> [-- Attachment #1: Type: text/plain, Size: 3473 bytes --] On Mon, Jul 20, 2009 at 01:58:28PM +0300, Michael Shigorin wrote: > On Mon, Jul 20, 2009 at 01:05:03PM +0300, I wrote: > > On Mon, Jul 20, 2009 at 01:56:59PM +0400, QA Team Robot wrote: > > > Package: mtools-4.0.10-alt1 > > > Status: Sisyphus/i586 test rebuild failed > > Приму помощь в исправлении mtools (берусь отнести патч апстриму), > > иначе пакет естественным образом останется без майнтейнера. > > Ладно, костыль я туда положил. А теперь объясните мне кто-нить > понимающий, почему исходный патч-то не проконал? Он логичней. > > > > In file included from /usr/include/string.h:658, > > > from sysincludes.h:264, > > > from mlabel.c:22: > > > In function 'strcpy', > > > inlined from 'label_name' at mlabel.c:38: > > > /usr/include/bits/string3.h:106: error: call to __builtin___strcpy_chk will always overflow destination buffer > > > make: Leaving directory `/usr/src/RPM/BUILD/mtools-4.0.10' > > > make: *** [mlabel.o] Error 1 > > > > -- > ---- WBR, Michael Shigorin <mike@altlinux.ru> > ------ Linux.Kiev http://www.linux.kiev.ua/ > diff -Naur mtools-4.0.10-orig/file_name.h mtools-4.0.10/file_name.h > --- mtools-4.0.10-orig/file_name.h 2009-02-19 22:41:14 +0200 > +++ mtools-4.0.10/file_name.h 2009-07-20 13:42:26 +0300 > @@ -26,8 +26,8 @@ > * MYFILE TXT > */ > struct dos_name_t { > - char base[8]; > - char ext[3]; > + char base[9]; > + char ext[4]; Такой "костыль" всё сломает - эта структура должна соответствовать формату хранения имени файла в файловой системе FAT. > char sentinel; > }; > > diff -Naur mtools-4.0.10-orig/mlabel.c mtools-4.0.10/mlabel.c > --- mtools-4.0.10-orig/mlabel.c 2009-03-03 08:10:11 +0200 > +++ mtools-4.0.10/mlabel.c 2009-07-20 13:34:02 +0300 > @@ -35,7 +35,8 @@ > int have_lower, have_upper; > wchar_t wbuffer[12]; > > - strcpy(ans->base," "); > + strcpy(ans->base," "); > + strcpy(ans->ext," "); > len = native_to_wchar(filename, wbuffer, 11, 0, 0); > if(len > 11){ > *mangled = 1; > diff -Naur mtools-4.0.10-orig/mlabel.c mtools-4.0.10/mlabel.c > --- mtools-4.0.10-orig/mlabel.c 2009-03-03 08:10:11 +0200 > +++ mtools-4.0.10/mlabel.c 2009-07-20 13:34:02 +0300 > @@ -35,7 +35,8 @@ > int have_lower, have_upper; > wchar_t wbuffer[12]; > > - strcpy(ans->base," "); > + strcpy(ans->base," "); > + strcpy(ans->ext," "); Завершающий \0 всё равно не лезет в буфер. Можно попробовать так (для memcpy проверки не выполняются): --- mtools-4.0.10/mlabel.c.orig 2009-07-20 15:36:44 +0400 +++ mtools-4.0.10/mlabel.c 2009-07-20 15:36:48 +0400 @@ -35,7 +35,7 @@ void label_name(doscp_t *cp, const char int have_lower, have_upper; wchar_t wbuffer[12]; - strcpy(ans->base," "); + memcpy(ans->base, " ", 12); len = native_to_wchar(filename, wbuffer, 11, 0, 0); if(len > 11){ *mangled = 1; Или более понятным образом: --- mtools-4.0.10/mlabel.c.orig 2009-07-20 15:36:44 +0400 +++ mtools-4.0.10/mlabel.c 2009-07-20 15:40:28 +0400 @@ -35,7 +35,10 @@ void label_name(doscp_t *cp, const char int have_lower, have_upper; wchar_t wbuffer[12]; - strcpy(ans->base," "); + memset(ans->base, ' ', sizeof ans->base); + memset(ans->ext, ' ', sizeof ans->ext); + ans->sentinel = '\0'; + len = native_to_wchar(filename, wbuffer, 11, 0, 0); if(len > 11){ *mangled = 1; [-- Attachment #2: Digital signature --] [-- Type: application/pgp-signature, Size: 189 bytes --]
next prev parent reply other threads:[~2009-07-20 11:42 UTC|newest] Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top 2009-07-20 10:05 ` Michael Shigorin 2009-07-20 10:58 ` Michael Shigorin 2009-07-20 11:42 ` Sergey Vlasov [this message] 2009-07-20 12:14 ` Michael Shigorin
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