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| author | Peter Korsgaard <jacmet@sunsite.dk> | 2009-09-14 15:54:24 +0200 |
|---|---|---|
| committer | Peter Korsgaard <jacmet@sunsite.dk> | 2009-09-14 15:56:34 +0200 |
| commit | 76aaac62a6da754b653d1f34e86133e19f364041 (patch) | |
| tree | a6dd4c855af65cf6424dbb2147e2dad44210797b /target | |
| parent | f76d8a3fd445bf82c648924392f760603cad5f1d (diff) | |
| download | buildroot-novena-76aaac62a6da754b653d1f34e86133e19f364041.tar.gz buildroot-novena-76aaac62a6da754b653d1f34e86133e19f364041.zip | |
squashfs: fix for mksquashfs 4.0 race condition
Fix for the race condition in mksquashfs recently seen.
Patch by Phillip Lougher.
See http://thread.gmane.org/gmane.comp.file-systems.squashfs.devel/76
for details.
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
Diffstat (limited to 'target')
| -rw-r--r-- | target/squashfs/squashfs-4.0-mksquashfs-race-condition-fix.patch | 41 | ||||
| -rw-r--r-- | target/squashfs/squashfsroot.mk | 2 |
2 files changed, 42 insertions, 1 deletions
diff --git a/target/squashfs/squashfs-4.0-mksquashfs-race-condition-fix.patch b/target/squashfs/squashfs-4.0-mksquashfs-race-condition-fix.patch new file mode 100644 index 000000000..7f8e8e074 --- /dev/null +++ b/target/squashfs/squashfs-4.0-mksquashfs-race-condition-fix.patch @@ -0,0 +1,41 @@ +[PATCH]: fix mksquashfs race condition + +See http://thread.gmane.org/gmane.comp.file-systems.squashfs.devel/76 +for details. +--- + squashfs-tools/mksquashfs.c | 6 +++--- + 1 file changed, 3 insertions(+), 3 deletions(-) + +Index: squashfs4.0/squashfs-tools/mksquashfs.c +=================================================================== +--- squashfs4.0.orig/squashfs-tools/mksquashfs.c ++++ squashfs4.0/squashfs-tools/mksquashfs.c +@@ -1733,8 +1733,8 @@ void unlock_fragments() + entry->buffer->block = bytes; + bytes += compressed_size; + fragments_outstanding --; +- pthread_mutex_unlock(&fragment_mutex); + queue_put(to_writer, entry->buffer); ++ pthread_mutex_unlock(&fragment_mutex); + pthread_mutex_lock(&fragment_mutex); + TRACE("fragment_locked writing fragment %d, compressed size %d" + "\n", entry->fragment, compressed_size); +@@ -2426,8 +2426,8 @@ void *frag_deflator(void *arg) + write_buffer->block = bytes; + bytes += compressed_size; + fragments_outstanding --; +- pthread_mutex_unlock(&fragment_mutex); + queue_put(to_writer, write_buffer); ++ pthread_mutex_unlock(&fragment_mutex); + TRACE("Writing fragment %lld, uncompressed size %d, " + "compressed size %d\n", file_buffer->block, + file_buffer->size, compressed_size); +@@ -4137,7 +4137,7 @@ void read_recovery_data(char *recovery_f + + + #define VERSION() \ +- printf("mksquashfs version 4.0 (2009/04/05)\n");\ ++ printf("mksquashfs version 4.0-test (2009/04/05)\n");\ + printf("copyright (C) 2009 Phillip Lougher <phillip@lougher.demon.co.uk>\n\n"); \ + printf("This program is free software; you can redistribute it and/or\n");\ + printf("modify it under the terms of the GNU General Public License\n");\ diff --git a/target/squashfs/squashfsroot.mk b/target/squashfs/squashfsroot.mk index d7d559bab..3ff0f3bc3 100644 --- a/target/squashfs/squashfsroot.mk +++ b/target/squashfs/squashfsroot.mk @@ -14,7 +14,7 @@ $(DL_DIR)/$(SQUASHFS_SOURCE): $(SQUASHFS_DIR)/.unpacked: $(DL_DIR)/$(SQUASHFS_SOURCE) #$(SQUASHFS_PATCH) $(SQUASHFS_CAT) $(DL_DIR)/$(SQUASHFS_SOURCE) | tar -C $(BUILD_DIR) -xvf - - toolchain/patch-kernel.sh $(SQUASHFS_DIR) target/squashfs/ squashfs\*.patch + toolchain/patch-kernel.sh $(SQUASHFS_DIR) target/squashfs/ squashfs-$(SQUASHFS_VERSION)-\*.patch touch $@ $(SQUASHFS_DIR)/squashfs-tools/mksquashfs: $(SQUASHFS_DIR)/.unpacked |