upgrade libarchive version from 3.4.1 to 3.4.3
This commit is contained in:
parent
f3455a9d22
commit
8169beccd1
@ -1,119 +0,0 @@
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From 09a14a16d91b6326cda53df117f012f890219ed8 Mon Sep 17 00:00:00 2001
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From: Grzegorz Antoniak <ga@anadoxin.org>
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Date: Sun, 2 Feb 2020 08:04:41 +0100
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Subject: [PATCH] RAR5 reader: reject files that declare invalid header flags
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One of the fields in RAR5's base block structure is the size of the
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header. Some invalid files declare a 0 header size setting, which can
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confuse the unpacker. Minimum header size for RAR5 base blocks is 7
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bytes (4 bytes for CRC, and 3 bytes for the rest), so block size of 0
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bytes should be rejected at header parsing stage.
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The fix adds an error condition if header size of 0 bytes is detected.
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In this case, the unpacker will not attempt to unpack the file, as the
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header is corrupted.
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The commit also adds OSSFuzz #20459 sample to test further regressions
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in this area.
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---
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Makefile.am | 1 +
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libarchive/archive_read_support_format_rar5.c | 17 +++++++++++++++--
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libarchive/test/test_read_format_rar5.c | 15 +++++++++++++++
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...test_read_format_rar5_block_size_is_too_small.rar.uu | 8 ++++++++
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4 files changed, 39 insertions(+), 2 deletions(-)
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create mode 100644 libarchive/test/test_read_format_rar5_block_size_is_too_small.rar.uu
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diff --git a/Makefile.am b/Makefile.am
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index 781bbf7..c59466f 100644
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--- a/Makefile.am
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+++ b/Makefile.am
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@@ -876,6 +876,7 @@ libarchive_test_EXTRA_DIST=\
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libarchive/test/test_read_format_rar5_win32.rar.uu \
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libarchive/test/test_read_format_rar5_arm_filter_on_window_boundary.rar.uu \
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libarchive/test/test_read_format_rar5_different_winsize_on_merge.rar.uu \
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+ libarchive/test/test_read_format_rar5_block_size_is_too_small.rar.uu \
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libarchive/test/test_read_format_raw.bufr.uu \
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libarchive/test/test_read_format_raw.data.gz.uu \
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libarchive/test/test_read_format_raw.data.Z.uu \
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diff --git a/libarchive/archive_read_support_format_rar5.c b/libarchive/archive_read_support_format_rar5.c
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index ce38b1f..970a924 100644
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--- a/libarchive/archive_read_support_format_rar5.c
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+++ b/libarchive/archive_read_support_format_rar5.c
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@@ -2080,6 +2080,8 @@ static int scan_for_signature(struct archive_read* a);
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static int process_base_block(struct archive_read* a,
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struct archive_entry* entry)
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{
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+ const size_t SMALLEST_RAR5_BLOCK_SIZE = 3;
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+
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struct rar5* rar = get_context(a);
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uint32_t hdr_crc, computed_crc;
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size_t raw_hdr_size = 0, hdr_size_len, hdr_size;
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@@ -2103,15 +2105,26 @@ static int process_base_block(struct archive_read* a,
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return ARCHIVE_EOF;
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}
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+ hdr_size = raw_hdr_size + hdr_size_len;
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+
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/* Sanity check, maximum header size for RAR5 is 2MB. */
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- if(raw_hdr_size > (2 * 1024 * 1024)) {
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+ if(hdr_size > (2 * 1024 * 1024)) {
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archive_set_error(&a->archive, ARCHIVE_ERRNO_FILE_FORMAT,
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"Base block header is too large");
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return ARCHIVE_FATAL;
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}
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- hdr_size = raw_hdr_size + hdr_size_len;
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+ /* Additional sanity checks to weed out invalid files. */
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+ if(raw_hdr_size == 0 || hdr_size_len == 0 ||
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+ hdr_size < SMALLEST_RAR5_BLOCK_SIZE)
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+ {
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+ archive_set_error(&a->archive, ARCHIVE_ERRNO_FILE_FORMAT,
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+ "Too small block encountered (%ld bytes)",
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+ raw_hdr_size);
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+
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+ return ARCHIVE_FATAL;
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+ }
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/* Read the whole header data into memory, maximum memory use here is
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* 2MB. */
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diff --git a/libarchive/test/test_read_format_rar5.c b/libarchive/test/test_read_format_rar5.c
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index bb94d4e..f91521e 100644
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--- a/libarchive/test/test_read_format_rar5.c
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+++ b/libarchive/test/test_read_format_rar5.c
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@@ -1256,3 +1256,18 @@ DEFINE_TEST(test_read_format_rar5_different_winsize_on_merge)
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EPILOGUE();
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}
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+
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+DEFINE_TEST(test_read_format_rar5_block_size_is_too_small)
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+{
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+ char buf[4096];
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+ PROLOGUE("test_read_format_rar5_block_size_is_too_small.rar");
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+
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+ /* This file is damaged, so those functions should return failure.
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+ * Additionally, SIGSEGV shouldn't be raised during execution
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+ * of those functions. */
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+
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+ assertA(archive_read_next_header(a, &ae) != ARCHIVE_OK);
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+ assertA(archive_read_data(a, buf, sizeof(buf)) <= 0);
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+
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+ EPILOGUE();
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+}
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diff --git a/libarchive/test/test_read_format_rar5_block_size_is_too_small.rar.uu b/libarchive/test/test_read_format_rar5_block_size_is_too_small.rar.uu
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new file mode 100644
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index 0000000..5cad219
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--- /dev/null
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+++ b/libarchive/test/test_read_format_rar5_block_size_is_too_small.rar.uu
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@@ -0,0 +1,8 @@
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+begin 644 test_read_format_rar5_block_size_is_too_small.rar
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+M4F%R(1H'`0"-[P+2``+'(!P,("`@N`,!`B`@("`@("`@("`@("`@("#_("`@
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+M("`@("`@("`@((:Q;2!4-'-^4B`!((WO`M(``O\@$/\@-R`@("`@("`@("`@
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+M``X@("`@("`@____("`@("`@(/\@("`@("`@("`@("#_(+6U,2"UM;6UM[CU
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+M)B`@*(0G(`!.`#D\3R``(/__(,+_````-0#_($&%*/HE=C+N`"```"```"`D
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+J`)$#("#_("#__P`@__\@_R#_("`@("`@("#_("#__R`@(/__("#__R`"
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+`
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+end
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--
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1.8.3.1
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Binary file not shown.
63
libarchive-3.4.3-lchmod-support-check.patch
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63
libarchive-3.4.3-lchmod-support-check.patch
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@ -0,0 +1,63 @@
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From 291d0c218e256750228b731a693e6b96e7ed5449 Mon Sep 17 00:00:00 2001
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From: Martin Matuska <martin@matuska.org>
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Date: Fri, 22 May 2020 13:03:55 +0200
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Subject: [PATCH] test_write_disk_secure: properly check if lchmod() is
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---
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libarchive/test/test_write_disk_secure.c | 34 +++++++++++++++++++++---
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1 file changed, 30 insertions(+), 4 deletions(-)
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diff --git a/libarchive/test/test_write_disk_secure.c b/libarchive/test/test_write_disk_secure.c
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index 7cd66c4..44b9ea0 100644
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--- a/libarchive/test/test_write_disk_secure.c
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+++ b/libarchive/test/test_write_disk_secure.c
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@@ -40,6 +40,10 @@ DEFINE_TEST(test_write_disk_secure)
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struct archive *a;
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struct archive_entry *ae;
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struct stat st;
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+#if defined(HAVE_LCHMOD) && defined(HAVE_SYMLINK) && \
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+ defined(S_IRUSR) && defined(S_IWUSR) && defined(S_IXUSR)
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+ int working_lchmod;
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+#endif
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/* Start with a known umask. */
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assertUmask(UMASK);
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@@ -251,10 +255,32 @@ DEFINE_TEST(test_write_disk_secure)
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assert(0 == lstat("link_to_dir", &st));
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failure("link_to_dir: st.st_mode=%o", st.st_mode);
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assert(S_ISLNK(st.st_mode));
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-#if HAVE_LCHMOD
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- /* Systems that lack lchmod() can't set symlink perms, so skip this. */
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- failure("link_to_dir: st.st_mode=%o", st.st_mode);
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- assert((st.st_mode & 07777) == 0755);
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+#if defined(HAVE_SYMLINK) && defined(HAVE_LCHMOD) && \
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+ defined(S_IRUSR) && defined(S_IWUSR) && defined(S_IXUSR)
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+ /* Verify if we are able to lchmod() */
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+ if (symlink("dir", "testlink_to_dir") == 0) {
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+ if (lchmod("testlink_to_dir",
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+ S_IRUSR | S_IWUSR | S_IXUSR) != 0) {
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+ switch (errno) {
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+ case ENOTSUP:
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+ case ENOSYS:
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+#if ENOTSUP != EOPNOTSUPP
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+ case EOPNOTSUPP:
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+#endif
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+ working_lchmod = 0;
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+ break;
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+ default:
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+ working_lchmod = 1;
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+ }
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+ } else
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+ working_lchmod = 1;
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+ } else
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+ working_lchmod = 0;
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+
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+ if (working_lchmod) {
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+ failure("link_to_dir: st.st_mode=%o", st.st_mode);
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+ assert((st.st_mode & 07777) == 0755);
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+ }
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#endif
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assert(0 == lstat("dir/filea", &st));
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--
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2.24.1
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BIN
libarchive-3.4.3.tar.gz
Normal file
BIN
libarchive-3.4.3.tar.gz
Normal file
Binary file not shown.
@ -1,20 +1,19 @@
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From 741b491fe63fd5848b6ce4a3c09ec9a16bac9f6b Mon Sep 17 00:00:00 2001
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From: songnannan2 <songnannan2@huawei.com>
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Date: Tue, 18 Feb 2020 22:16:04 +0800
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Subject: [PATCH] there need to add the init of child to solve the
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problem in oss-fuzz
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From 1ab606af27d6b3fa07a638b7f04efadbc8ef75b4 Mon Sep 17 00:00:00 2001
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From: zhangnaru <zhangnaru@huawei.com>
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Date: Tue, 28 Jul 2020 15:05:03 +0800
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Subject: [PATCH] libarchive-uninitialized-value
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---
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libarchive/filter_fork_posix.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/libarchive/filter_fork_posix.c b/libarchive/filter_fork_posix.c
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index 02dbd4b..285dd48 100644
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index ac255c4..62085a7 100644
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--- a/libarchive/filter_fork_posix.c
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+++ b/libarchive/filter_fork_posix.c
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@@ -75,7 +75,7 @@ __FBSDID("$FreeBSD: head/lib/libarchive/filter_fork.c 182958 2008-09-12 05:33:00
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pid_t
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__archive_create_child(const char *cmd, int *child_stdin, int *child_stdout)
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@@ -76,7 +76,7 @@ int
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__archive_create_child(const char *cmd, int *child_stdin, int *child_stdout,
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pid_t *out_child)
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{
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- pid_t child;
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+ pid_t child = -1;
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@ -22,5 +21,5 @@ index 02dbd4b..285dd48 100644
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#if HAVE_POSIX_SPAWNP
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posix_spawn_file_actions_t actions;
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--
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2.19.1
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2.23.0
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@ -1,23 +1,23 @@
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%bcond_with check
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Name: libarchive
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Version: 3.4.1
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Release: 3
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Version: 3.4.3
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Release: 1
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Summary: Multi-format archive and compression library
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License: BSD
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URL: https://www.%{name}.org/
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Source0: https://www.%{name}.org/downloads/%{name}-%{version}.tar.gz
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URL: https://www.libarchive.org/
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Source0: https://www.libarchive.org/downloads/%{name}-%{version}.tar.gz
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BuildRequires: gcc bison sharutils zlib-devel bzip2-devel xz-devel
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BuildRequires: lzo-devel e2fsprogs-devel libacl-devel libattr-devel
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BuildRequires: openssl-devel libxml2-devel lz4-devel automake libzstd-devel
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Provides: bsdtar bsdcpio bsdcat
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Provides: bsdtar bsdcpio bsdcat
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Obsoletes: bsdtar bsdcpio bsdcat
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Patch6001: libarchive-uninitialized-value.patch
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Patch6002: CVE-2020-9308.patch
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Patch6002: libarchive-3.4.3-lchmod-support-check.patch
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%description
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%{name} is an open-source BSD-licensed C programming library that
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@ -148,6 +148,12 @@ run_testsuite
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%{_mandir}/man5/*
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%changelog
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* Tue Jul 28 2020 openEuler zhangnaru <zhangnaru@huawei.com> - 3.4.3-1
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- Type:enhancement
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- ID:NA
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- SUG:NA
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- DESC:Upgrade to version 3.4.3
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* Mon Apr 20 2020 openEuler Buildteam <buildteam@openeuler.org> - 3.4.1-3
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- Type:cves
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- ID:CVE-2020-9308
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