Initialize ZIL buffers

When populating a ZIL destination buffer ensure it is always zeroed before its contents are constructed. Reviewed-by: Matthew Ahrens <[email protected]> Reviewed-by: Tom Caputi <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #11687
openzfs · Mar 5, 2021 · 6bbb44e · 6bbb44e
1 parent 8a6d444
commit 6bbb44e
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/module/os/linux/zfs/zio_crypt.c b/module/os/linux/zfs/zio_crypt.c
@@ -1412,6 +1412,7 @@ zio_crypt_init_uios_zil(boolean_t encrypt, uint8_t *plainbuf,
 		nr_src = 1;
 		nr_dst = 0;
 	}
+	bzero(dst, datalen);
 
 	/* find the start and end record of the log block */
 	zilc = (zil_chain_t *)src;