[PATCH] obexd: Fix transfer has been free in transfer_abort_response

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Breakpoint 7, transfer_new (obex=0x5555555f5b50, opcode=2 '\002',
complete_func=0x555555590c40 <xfer_complete>, user_data=0x5555555f7000)
at gobex/gobex-transfer.c:254
254     gobex/gobex-transfer.c:
(gdb) c
Continuing.

Breakpoint 3, transfer_complete (transfer=0x5555555f5f40,
err=0x5555555f6d60) at gobex/gobex-transfer.c:99
99      in gobex/gobex-transfer.c
(gdb) c
Continuing.

Breakpoint 4, xfer_complete (obex=0x5555555f5b50, err=0x5555555f6d60,
user_data=0x5555555f7000)
at obexd/client/transfer.c:659
659     obexd/client/transfer.c:
(gdb) n
661     in obexd/client/transfer.c
(gdb) n
663     in obexd/client/transfer.c
(gdb) p callback->func
$17 = (transfer_callback_t) 0x5555555885e0 <transfer_complete>
(gdb) c
Continuing.

Breakpoint 3, transfer_complete (transfer=0x5555555f7000, err=0x5555555f6d60,
user_data=0x5555555f48d0) at obexd/client/session.c:964
964     obexd/client/session.c:
(gdb) c
Continuing.

Breakpoint 5, transfer_free (transfer=0x5555555f5f40) at
gobex/gobex-transfer.c:61
61      gobex/gobex-transfer.c:
(gdb) n
63      in gobex/gobex-transfer.c
(gdb) p transfer->id
$18 = 1
(gdb) c
Continuing.

Breakpoint 2, transfer_abort_response (obex=0x5555555f5b50, err=0x0,
rsp=0x5555555f0810, user_data=0x5555555f5f40) at gobex/gobex-transfer.c:116
116     in gobex/gobex-transfer.c
(gdb) n
118     in gobex/gobex-transfer.c
(gdb) p transfer->id
$19 = 1432314080
(gdb) c
Continuing.

Breakpoint 3, transfer_complete (transfer=0x5555555f5f40, err=0x5555555f6f00)
at gobex/gobex-transfer.c:99
99      in gobex/gobex-transfer.c
(gdb) c
Continuing.

Breakpoint 4, xfer_complete (obex=0x5555555f5b50, err=0x5555555f6f00,
user_data=0x5555555f7000)
at obexd/client/transfer.c:659
659     obexd/client/transfer.c:
(gdb) n
661     in obexd/client/transfer.c
(gdb) p callback->func
$20 = (transfer_callback_t) 0x5555555f6420
(gdb) n
663     in obexd/client/transfer.c
(gdb) n
668     in obexd/client/transfer.c
(gdb) n
671     in obexd/client/transfer.c
(gdb) n
672     in obexd/client/transfer.c
(gdb) n
676     in obexd/client/transfer.c
(gdb) n
679     in obexd/client/transfer.c
(gdb) n
680     in obexd/client/transfer.c
(gdb) n
0x00005555555f6420 in ?? ()
(gdb) n
Cannot find bounds of current function
(gdb) c
Continuing.

Program received signal SIGSEGV, Segmentation fault.
0x00005555555f6420 in ?? ()
(gdb)
---
 gobex/gobex-transfer.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/gobex/gobex-transfer.c b/gobex/gobex-transfer.c
index c94d018b2..48b1f6962 100644
--- a/gobex/gobex-transfer.c
+++ b/gobex/gobex-transfer.c
@@ -92,7 +92,9 @@ static void transfer_complete(struct transfer *transfer, GError *err)
 		g_obex_drop_tx_queue(transfer->obex);
 	}
 
-	transfer->complete_func(transfer->obex, err, transfer->user_data);
+	if (find_transfer(id) != NULL)
+		transfer->complete_func(transfer->obex, err, transfer->user_data);
+
 	/* Check if the complete_func removed the transfer */
 	if (find_transfer(id) == NULL)
 		return;
-- 
2.20.1






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