The decompress_io_ctx may be released asynchronously after
I/O completion. If this file is deleted immediately after read,
and the kworker of processing post_read_wq has not been executed yet
due to high workloads, It is possible that the inode(f2fs_inode_info)
is evicted and freed before it is use
The decompress_io_ctx may be released asynchronously after
I/O completion. If this file is deleted immediately after read,
and the kworker of processing post_read_wq has not been executed yet
due to high workloads, It is possible that the inode(f2fs_inode_info)
is evicted and freed before it is use
The decompress_io_ctx may be released asynchronously after
I/O completion. If this file is deleted immediately after read,
and the kworker of processing post_read_wq has not been executed yet
due to high workloads, It is possible that the inode(f2fs_inode_info)
is evicted and freed before it is use
No logic changes, just cleanup and prepare for fixing the UAF issue
in f2fs_free_dic.
Signed-off-by: Zhiguo Niu
Signed-off-by: Baocong Liu
---
fs/f2fs/compress.c | 40
1 file changed, 20 insertions(+), 20 deletions(-)
diff --git a/fs/f2fs/compress.c b/f
The decompress_io_ctx may be released asynchronously after
I/O completion. If this file is deleted immediately after read,
and the kworker of processing post_read_wq has not been executed yet
due to high workloads, It is possible that the inode(f2fs_inode_info)
is evicted and freed before it is use
Should check these after c.devices[1].start_blkaddr is assigned
when c.ndevs > 1.
Fixes: 316e128fe3dc ("mkfs.f2fs: adjust zone alignment when using
multi-partitions")
Signed-off-by: Zhiguo Niu
---
mkfs/f2fs_format.c | 23 ---
1 file changed, 12 insertions(+), 11 deletions(-)
