42 lines
1.7 KiB
Diff
42 lines
1.7 KiB
Diff
[PATCH]: fix mksquashfs race condition
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See http://thread.gmane.org/gmane.comp.file-systems.squashfs.devel/76
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for details.
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---
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squashfs-tools/mksquashfs.c | 6 +++---
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1 file changed, 3 insertions(+), 3 deletions(-)
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Index: squashfs4.0/squashfs-tools/mksquashfs.c
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===================================================================
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--- squashfs4.0.orig/squashfs-tools/mksquashfs.c
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+++ squashfs4.0/squashfs-tools/mksquashfs.c
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@@ -1733,8 +1733,8 @@ void unlock_fragments()
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entry->buffer->block = bytes;
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bytes += compressed_size;
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fragments_outstanding --;
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- pthread_mutex_unlock(&fragment_mutex);
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queue_put(to_writer, entry->buffer);
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+ pthread_mutex_unlock(&fragment_mutex);
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pthread_mutex_lock(&fragment_mutex);
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TRACE("fragment_locked writing fragment %d, compressed size %d"
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"\n", entry->fragment, compressed_size);
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@@ -2426,8 +2426,8 @@ void *frag_deflator(void *arg)
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write_buffer->block = bytes;
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bytes += compressed_size;
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fragments_outstanding --;
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- pthread_mutex_unlock(&fragment_mutex);
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queue_put(to_writer, write_buffer);
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+ pthread_mutex_unlock(&fragment_mutex);
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TRACE("Writing fragment %lld, uncompressed size %d, "
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"compressed size %d\n", file_buffer->block,
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file_buffer->size, compressed_size);
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@@ -4137,7 +4137,7 @@ void read_recovery_data(char *recovery_f
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#define VERSION() \
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- printf("mksquashfs version 4.0 (2009/04/05)\n");\
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+ printf("mksquashfs version 4.0-test (2009/04/05)\n");\
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printf("copyright (C) 2009 Phillip Lougher <phillip@lougher.demon.co.uk>\n\n"); \
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printf("This program is free software; you can redistribute it and/or\n");\
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printf("modify it under the terms of the GNU General Public License\n");\
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