c/mirror_zfs
1
0
Fork 0
mirror of https://git.proxmox.com/git/mirror_zfs.git synced 2024-12-25 02:49:32 +03:00
Code Issues Packages Projects Releases Wiki Activity

Fix reading uninitialized variable in receive_read

Browse Source 
When zfs_file_read returns error, resid may be uninitialized.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Richard Yao <richard.yao@alumni.stonybrook.edu>
Signed-off-by: Chunwei Chen <david.chen@nutanix.com>
Closes #14404
This commit is contained in:
Chunwei Chen 2023-01-20 11:49:56 -08:00 committed by GitHub
parent 63267f7f77
commit 71974946be
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
module/zfs/dmu_recv.c
View File

@ -1500,11 +1500,11 @@ receive_read(dmu_recv_cookie_t *drc, int len, void *buf)
(drc->drc_featureflags & DMU_BACKUP_FEATURE_RAW) != 0);
while (done < len) {
ssize_t resid;
ssize_t resid = len - done;
zfs_file_t *fp = drc->drc_fp;
int err = zfs_file_read(fp, (char *)buf + done,
len - done, &resid);
if (resid == len - done) {
if (err == 0 && resid == len - done) {
/*
* Note: ECKSUM or ZFS_ERR_STREAM_TRUNCATED indicates
* that the receive was interrupted and can