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e2fsck: release allocated memory on error or abort in e2fsck_pass1()

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Addresses-Coverity-Id: #1148450

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
This commit is contained in:
Theodore Ts'o 2014-01-07 00:39:19 -05:00
parent 1d1f708e44
commit 125f76e73b
1 changed files with 26 additions and 24 deletions
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50
e2fsck/pass1.c
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@ -546,9 +546,9 @@ void e2fsck_pass1(e2fsck_t ctx)
__u64 max_sizes;
ext2_filsys fs = ctx->fs;
ext2_ino_t ino = 0;
struct ext2_inode *inode;
ext2_inode_scan scan;
char *block_buf;
struct ext2_inode *inode = NULL;
ext2_inode_scan scan = NULL;
char *block_buf = NULL;
#ifdef RESOURCE_TRACK
struct resource_track rtrack;
#endif
@ -662,8 +662,7 @@ void e2fsck_pass1(e2fsck_t ctx)
if (pctx.errcode) {
fix_problem(ctx, PR_1_ALLOCATE_DBCOUNT, &pctx);
ctx->flags |= E2F_FLAG_ABORT;
ext2fs_free_mem(&inode);
return;
goto endit;
}
/*
@ -686,8 +685,7 @@ void e2fsck_pass1(e2fsck_t ctx)
if (pctx.errcode) {
fix_problem(ctx, PR_1_CONVERT_SUBCLUSTER, &pctx);
ctx->flags |= E2F_FLAG_ABORT;
ext2fs_free_mem(&inode);
return;
goto endit;
}
block_buf = (char *) e2fsck_allocate_memory(ctx, fs->blocksize * 3,
"block interate buffer");
@ -699,18 +697,16 @@ void e2fsck_pass1(e2fsck_t ctx)
if (pctx.errcode) {
fix_problem(ctx, PR_1_ISCAN_ERROR, &pctx);
ctx->flags |= E2F_FLAG_ABORT;
ext2fs_free_mem(&block_buf);
ext2fs_free_mem(&inode);
return;
goto endit;
}
ext2fs_inode_scan_flags(scan, EXT2_SF_SKIP_MISSING_ITABLE, 0);
ctx->stashed_inode = inode;
scan_struct.ctx = ctx;
scan_struct.block_buf = block_buf;
ext2fs_set_inode_callback(scan, scan_callback, &scan_struct);
if (ctx->progress)
if ((ctx->progress)(ctx, 1, 0, ctx->fs->group_desc_count))
return;
if (ctx->progress && ((ctx->progress)(ctx, 1, 0,
ctx->fs->group_desc_count)))
goto endit;
if ((fs->super->s_wtime < fs->super->s_inodes_count) ||
(fs->super->s_mtime < fs->super->s_inodes_count))
busted_fs_time = 1;
@ -742,7 +738,7 @@ void e2fsck_pass1(e2fsck_t ctx)
if (pctx.errcode) {
fix_problem(ctx, PR_1_ISCAN_ERROR, &pctx);
ctx->flags |= E2F_FLAG_ABORT;
return;
goto endit;
}
if (!ino)
break;
@ -756,7 +752,7 @@ void e2fsck_pass1(e2fsck_t ctx)
pctx.num = inode->i_links_count;
fix_problem(ctx, PR_1_ICOUNT_STORE, &pctx);
ctx->flags |= E2F_FLAG_ABORT;
return;
goto endit;
}
}
@ -846,7 +842,7 @@ void e2fsck_pass1(e2fsck_t ctx)
pctx.num = 4;
fix_problem(ctx, PR_1_ALLOCATE_BBITMAP_ERROR, &pctx);
ctx->flags |= E2F_FLAG_ABORT;
return;
goto endit;
}
pb.ino = EXT2_BAD_INO;
pb.num_blocks = pb.last_block = 0;
@ -863,12 +859,12 @@ void e2fsck_pass1(e2fsck_t ctx)
if (pctx.errcode) {
fix_problem(ctx, PR_1_BLOCK_ITERATE, &pctx);
ctx->flags |= E2F_FLAG_ABORT;
return;
goto endit;
}
if (pb.bbcheck)
if (!fix_problem(ctx, PR_1_BBINODE_BAD_METABLOCK_PROMPT, &pctx)) {
ctx->flags |= E2F_FLAG_ABORT;
return;
goto endit;
}
ext2fs_mark_inode_bitmap2(ctx->inode_used_map, ino);
clear_problem_context(&pctx);
@ -1146,17 +1142,18 @@ void e2fsck_pass1(e2fsck_t ctx)
check_blocks(ctx, &pctx, block_buf);
if (ctx->flags & E2F_FLAG_SIGNAL_MASK)
return;
goto endit;
if (process_inode_count >= ctx->process_inode_size) {
process_inodes(ctx, block_buf);
if (ctx->flags & E2F_FLAG_SIGNAL_MASK)
return;
goto endit;
}
}
process_inodes(ctx, block_buf);
ext2fs_close_inode_scan(scan);
scan = NULL;
/*
* If any extended attribute blocks' reference counts need to
@ -1195,7 +1192,7 @@ void e2fsck_pass1(e2fsck_t ctx)
if (!fix_problem(ctx, PR_1_RESIZE_INODE_CREATE,
&pctx)) {
ctx->flags |= E2F_FLAG_ABORT;
return;
goto endit;
}
pctx.errcode = 0;
}
@ -1233,10 +1230,15 @@ void e2fsck_pass1(e2fsck_t ctx)
endit:
e2fsck_use_inode_shortcuts(ctx, 0);
ext2fs_free_mem(&block_buf);
ext2fs_free_mem(&inode);
if (scan)
ext2fs_close_inode_scan(scan);
if (block_buf)
ext2fs_free_mem(&block_buf);
if (inode)
ext2fs_free_mem(&inode);
print_resource_track(ctx, _("Pass 1"), &rtrack, ctx->fs->io);
if ((ctx->flags & E2F_FLAG_SIGNAL_MASK) == 0)
print_resource_track(ctx, _("Pass 1"), &rtrack, ctx->fs->io);
}
/*