obexd: Fix transfer has been free during transfer_abort_response func
PATCH 1/1 obexd: Fix transfer has been free during transfer_abort_response func
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) n0x00005555555f6420 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(-)
gobex/gobex-transfer.c +3 -1
@@ -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 ;
Signature · 1 line
2.20.1
This is automated email and please do not reply to this email!
Dear submitter,
Thank you for submitting the patches to the linux bluetooth mailing list. This is a CI test results with your patch series:
PW Link:https://patchwork.kernel.org/project/bluetooth/list/?series=650185
---Test result---
Test Summary:
CheckPatch FAIL 1.06 seconds GitLint FAIL 0.77 seconds Prep - Setup ELL PASS 43.82 seconds Build - Prep PASS 0.58 seconds Build - Configure PASS 8.55 seconds Build - Make PASS 1426.59 seconds Make Check PASS 12.09 seconds Make Check w/Valgrind PASS 440.91 seconds Make Distcheck PASS 233.61 seconds Build w/ext ELL - Configure PASS 8.59 seconds Build w/ext ELL - Make PASS 1391.37 seconds Incremental Build with patchesPASS 0.00 seconds
Details
##############################
Test: CheckPatch - FAIL
Desc: Run checkpatch.pl script with rule in .checkpatch.conf
Output:
obexd: Fix transfer has been free during transfer_abort_response func WARNING:COMMIT_LOG_LONG_LINE: Possible unwrapped commit description (prefer a maximum 75 chars per line) #64:
Breakpoint 3, transfer_complete (transfer=0x5555555f5f40, err=0x5555555f6d60)
WARNING:LONG_LINE: line length of 82 exceeds 80 columns #158: FILE: gobex/gobex-transfer.c:96:
+ transfer->complete_func(transfer->obex, err, transfer->user_data);
/github/workspace/src/12880945.patch total: 0 errors, 2 warnings, 10 lines checked
NOTE: For some of the reported defects, checkpatch may be able to
mechanically convert to the typical style using --fix or --fix-inplace.
/github/workspace/src/12880945.patch has style problems, please review.
NOTE: Ignored message types: COMMIT_MESSAGE COMPLEX_MACRO CONST_STRUCT FILE_PATH_CHANGES MISSING_SIGN_OFF PREFER_PACKED SPDX_LICENSE_TAG SPLIT_STRING SSCANF_TO_KSTRTO
NOTE: If any of the errors are false positives, please report
them to the maintainer, see CHECKPATCH in MAINTAINERS.
##############################
Test: GitLint - FAIL
Desc: Run gitlint with rule in .gitlint
Output:
obexd: Fix transfer has been free during transfer_abort_response func
35: B1 Line exceeds max length (82>80): "Breakpoint 5, transfer_free (transfer=0x5555555f5f40) at gobex/gobex-transfer.c:61" 44: B1 Line exceeds max length (88>80): "Breakpoint 2, transfer_abort_response (obex=0x5555555f5b50, err=0x0, rsp=0x5555555f0810," 54: B1 Line exceeds max length (106>80): "Breakpoint 3, transfer_complete (transfer=0x5555555f5f40, err=0x5555555f6f00) at gobex/gobex-transfer.c:99" 59: B1 Line exceeds max length (95>80): "Breakpoint 4, xfer_complete (obex=0x5555555f5b50, err=0x5555555f6f00, user_data=0x5555555f7000)"
---
Regards,
Linux Bluetooth
Luiz Augusto von Dentz
maintainerHi,
Quoted 97 lines · wangyouwan
Breakpoint 7,
transfer_new(obex=0x5555555f5b50, opcode=2 '\002', complete_func=0x555555590c40 <xfer_complete>, user_data=0x5555555f7000) atgobex/gobex-transfer.c:254
254gobex/gobex-transfer.c:
(gdb) c
Continuing.Breakpoint 3,
transfer_complete(transfer=0x5555555f5f40, err=0x5555555f6d60) atgobex/gobex-transfer.c:99
99 ingobex/gobex-transfer.c
(gdb) c
Continuing.Breakpoint 4,
xfer_complete(obex=0x5555555f5b50, err=0x5555555f6d60, user_data=0x5555555f7000)
atobexd/client/transfer.c:659
659obexd/client/transfer.c:
(gdb) n
661 inobexd/client/transfer.c
(gdb) n
663 inobexd/client/transfer.c
(gdb) pcallback->func
$17 = (transfer_callback_t)0x5555555885e0<transfer_complete> (gdb) c
Continuing.Breakpoint 3,
transfer_complete(transfer=0x5555555f7000, err=0x5555555f6d60, user_data=0x5555555f48d0) atobexd/client/session.c:964
964obexd/client/session.c:
(gdb) c
Continuing.Breakpoint 5,
transfer_free(transfer=0x5555555f5f40) atgobex/gobex-transfer.c:61
61gobex/gobex-transfer.c:
(gdb) n
63 ingobex/gobex-transfer.c
(gdb) ptransfer->id
$18 = 1
(gdb) c
Continuing.Breakpoint 2,
transfer_abort_response(obex=0x5555555f5b50, err=0x0, rsp=0x5555555f0810, user_data=0x5555555f5f40) atgobex/gobex-transfer.c:116
116 ingobex/gobex-transfer.c
(gdb) n
118 ingobex/gobex-transfer.c
(gdb) ptransfer->id
$19 = 1432314080
(gdb) c
Continuing.Breakpoint 3,
transfer_complete(transfer=0x5555555f5f40, err=0x5555555f6f00) atgobex/gobex-transfer.c:99
99 ingobex/gobex-transfer.c
(gdb) c
Continuing.Breakpoint 4,
xfer_complete(obex=0x5555555f5b50, err=0x5555555f6f00, user_data=0x5555555f7000) atobexd/client/transfer.c:659
659obexd/client/transfer.c:
(gdb) n
661 inobexd/client/transfer.c
(gdb) pcallback->func
$20 = (transfer_callback_t)0x5555555f6420
(gdb) n
663 inobexd/client/transfer.c
(gdb) n
668 inobexd/client/transfer.c
(gdb) n
671 inobexd/client/transfer.c
(gdb) n
672 inobexd/client/transfer.c
(gdb) n
676 inobexd/client/transfer.c
(gdb) n
679 inobexd/client/transfer.c
(gdb) n
680 inobexd/client/transfer.c
(gdb) n0x00005555555f6420in ?? ()
(gdb) n
Cannot find bounds of current function
(gdb) c
Continuing.Program received signal SIGSEGV, Segmentation fault.
0x00005555555f6420in ?? ()
(gdb)--- gobex/gobex-transfer.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)gobex/gobex-transfer.c +0
-0
gobex/gobex-transfer.c static void transfer_complete(struct transfer *transfer, GError *err) · line 96
Quoted 6 lines
gobex/gobex-transfer.c +2
-1@@ -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);
I would rather fix the code calling of the transfer_complete rather than its side effect if transfer has been freed already, also it might be better to use valgrind to collect the bracktrace since it should be able to tell us where the transfer pointer is being freed.
Quoted 8 lines
gobex/gobex-transfer.c +0
-1/* Check if the complete_func removed the transfer */ if (find_transfer (id) ==NULL )return ; --2.20.1
Signature · 1 line
Luiz Augusto von Dentz