forked from pool/e2fsprogs
0be3528bfb
Rev filesystems/60 Md5 3336c29a737163cacf6c64982744836c 2015-01-09 08:57:11 jankara 280547
52 lines
1.3 KiB
Diff
52 lines
1.3 KiB
Diff
From ebdf895b43a1ce499e4d2556a201e2a753fc422f Mon Sep 17 00:00:00 2001
|
|
From: Theodore Ts'o <tytso@mit.edu>
|
|
Date: Wed, 8 Oct 2014 11:18:41 -0400
|
|
Subject: [PATCH] e2fsck: fix free pointer dereferences
|
|
References: bnc#912229
|
|
|
|
Commit 47fee2ef6a23a introduces some free pointer dereference bugs by
|
|
not clearing ctx->fs after calling ext2fs_close_free().
|
|
|
|
Reported-by: Matthias Andree <mandree@FreeBSD.org>
|
|
Cc: Lukas Czerner <lczerner@redhat.com>
|
|
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
|
|
Acked-by: Jan Kara <jack@suse.cz>
|
|
---
|
|
e2fsck/unix.c | 6 +++---
|
|
1 file changed, 3 insertions(+), 3 deletions(-)
|
|
|
|
diff --git a/e2fsck/unix.c b/e2fsck/unix.c
|
|
index 66debcde53ed..10036e76132c 100644
|
|
--- a/e2fsck/unix.c
|
|
+++ b/e2fsck/unix.c
|
|
@@ -458,7 +458,7 @@ static void check_if_skip(e2fsck_t ctx)
|
|
}
|
|
log_out(ctx, "\n");
|
|
skip:
|
|
- ext2fs_close_free(&fs);
|
|
+ ext2fs_close_free(&ctx->fs);
|
|
e2fsck_free_context(ctx);
|
|
exit(FSCK_OK);
|
|
}
|
|
@@ -1462,7 +1462,7 @@ failure:
|
|
/*
|
|
* Restart in order to reopen fs but this time start mmp.
|
|
*/
|
|
- ext2fs_close_free(&fs);
|
|
+ ext2fs_close_free(&ctx->fs);
|
|
flags &= ~EXT2_FLAG_SKIP_MMP;
|
|
goto restart;
|
|
}
|
|
@@ -1692,7 +1692,7 @@ no_journal:
|
|
_("while resetting context"));
|
|
fatal_error(ctx, 0);
|
|
}
|
|
- ext2fs_close_free(&fs);
|
|
+ ext2fs_close_free(&ctx->fs);
|
|
goto restart;
|
|
}
|
|
if (run_result & E2F_FLAG_ABORT)
|
|
--
|
|
2.1.2
|
|
|