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[BlueZ] gobex: Fix read from pointer after free

Message ID 20220218194617.160812-1-hj.tedd.an@gmail.com
State New
Headers show
Series [BlueZ] gobex: Fix read from pointer after free | expand

Commit Message

Tedd Ho-Jeong An Feb. 18, 2022, 7:46 p.m. UTC 
From: Tedd Ho-Jeong An <tedd.an@intel.com>

This patch sets the pointer to null after free since the g_free(p)
doesn't set the pointer to NULL.

This is reported by the Coverity.

Fixes: 7e7d826aa1db ("gobex: Print error if data cannot be written")
---
 gobex/gobex.c | 2 ++
 1 file changed, 2 insertions(+)
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Patch

diff --git a/gobex/gobex.c b/gobex/gobex.c
index 185eed4d7..e9b89cead 100644
--- a/gobex/gobex.c
+++ b/gobex/gobex.c
@@ -471,6 +471,8 @@  encode:
 				check_srm_final(obex,
 						obex->tx_buf[0] & ~FINAL_BIT);
 			pending_pkt_free(p);
+			/* g_free() doesn't set the pointer to NULL */
+			p = NULL;
 		}
 
 		obex->tx_data = len;