https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=265071
Bug ID: 265071
Summary: ext2fs: fix potential memory leak in
ext4_ext_grow_indepth()
Product: Base System
Version: Unspecified
Hardware: Any
OS: Any
Status: New
Severity: Affects Many People
Priority: ---
Component: kern
Assignee: [email protected]
Reporter: [email protected]
ext4_ext_grow_indepth() allocates memory chunk for "newblk" with
ext4_ext_alloc_meta(). When getblk() and bwrite() fail in this funciton,
"newblk" is not released, which will lead to a memory leak.
We should release the "newblk" with ext4_ext_blkfree() when some error
occurs to avoid the memory leak.
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