hi David, Can you please try to load the sane debug symbols: It would be good to see where in the backend this line "0x6D08054: ??? (in /usr/lib/x86_64-linux-gnu/sane/libsane- pixma.so.1.0.28)" is erroring?
Thanks, Louis On Sat, 2019-10-05 at 13:48 -0700, David McMahon wrote: > Thanks Kip. I've tried a few more things to try to isolate. > First > > $ cat /etc/lsb-release > DISTRIB_ID=LinuxMint > DISTRIB_RELEASE=19 > DISTRIB_CODENAME=tara > DISTRIB_DESCRIPTION="Linux Mint 19 Tara" > > Commenting pixma out of dll.conf avoids the buffer overflow but then > of course the scanner is not found. > > $ scanimage -L > > No scanners were identified. If you were expecting something > different, > check that the scanner is plugged in, turned on and detected by the > sane-find-scanner tool (if appropriate). Please read the > documentation > which came with this software (README, FAQ, manpages). > > valgrind might be of use here? Here's a rum with pixma uncommented > in dll.conf: > > $ valgrind scanimage -L > ==16057== Memcheck, a memory error detector > ==16057== Copyright (C) 2002-2017, and GNU GPL'd, by Julian Seward et > al. > ==16057== Using Valgrind-3.13.0 and LibVEX; rerun with -h for > copyright info > ==16057== Command: scanimage -L > ==16057== > *** buffer overflow detected ***: scanimage terminated > ==16057== > ==16057== Process terminating with default action of signal 6 > (SIGABRT) > ==16057== at 0x5526E97: raise (raise.c:51) > ==16057== by 0x5528800: abort (abort.c:79) > ==16057== by 0x5571896: __libc_message (libc_fatal.c:181) > ==16057== by 0x561CCFE: __fortify_fail_abort (fortify_fail.c:33) > ==16057== by 0x561CD20: __fortify_fail (fortify_fail.c:44) > ==16057== by 0x561AA0F: __chk_fail (chk_fail.c:28) > ==16057== by 0x5619F28: _IO_str_chk_overflow (vsprintf_chk.c:31) > ==16057== by 0x5576493: _IO_default_xsputn (genops.c:417) > ==16057== by 0x5544FEA: vfprintf (vfprintf.c:1643) > ==16057== by 0x5619FCA: __vsprintf_chk (vsprintf_chk.c:82) > ==16057== by 0x5619EF9: __sprintf_chk (sprintf_chk.c:31) > ==16057== by 0x6D08054: ??? (in /usr/lib/x86_64-linux- > gnu/sane/libsane-pixma.so.1.0.28) > ==16057== > ==16057== HEAP SUMMARY: > ==16057== in use at exit: 23,779 bytes in 57 blocks > ==16057== total heap usage: 2,975 allocs, 2,918 frees, 1,105,998 > bytes allocated > ==16057== > ==16057== LEAK SUMMARY: > ==16057== definitely lost: 0 bytes in 0 blocks > ==16057== indirectly lost: 0 bytes in 0 blocks > ==16057== possibly lost: 10,968 bytes in 30 blocks > ==16057== still reachable: 12,811 bytes in 27 blocks > ==16057== suppressed: 0 bytes in 0 blocks > ==16057== Rerun with --leak-check=full to see details of leaked > memory > ==16057== > ==16057== For counts of detected and suppressed errors, rerun with: > -v > ==16057== ERROR SUMMARY: 0 errors from 0 contexts (suppressed: 0 from > 0) > Aborted > > On Sat, Oct 5, 2019 at 1:21 PM Kip Shaffer <[email protected]> > wrote: > > Hi David! Here is my output from the same command. I have nothing > > in my pixma.conf file. > > SANE_DEBUG_BJNP=5 scanimage -L 2>&1 > > [sanei_debug] Setting debug level of bjnp to 5. > > [bjnp] sanei_bjnp_find_devices, pixma backend version: 0.23.4 > > [bjnp] sanei_bjnp_find_devices: No devices specified in > > configuration file. > > [bjnp] sanei_bjnp_find_devices: Added all configured scanners, now > > do auto detection... > > [bjnp] prepare_socket: lo is not a valid IPv4 interface, > > skipping... > > [bjnp] prepare_socket: eth0 is IPv4 capable, sending broadcast, > > socket = 39 > > [bjnp] prepare_socket: lo is not a valid IPv6 interface, > > skipping... > > [bjnp] prepare_socket: eth0 is IPv6 capable, sending broadcast, > > socket = 40 > > [bjnp] sanei_bjnp_find_devices: Select returned, time left > > 0.499992.... > > [bjnp] sanei_find_devices: Discover response: > > [bjnp] 00000000:4d 46 4e 50 82 01 00 00 00 00 00 00 00 00 00 10 > > [bjnp] 00000010:00 01 80 00 06 04 f4 a9 97 c9 3d 62 c0 a8 01 6f > > [bjnp] get_scanner_name: Name for 192.168.1.111 not found : Name or > > service not known > > [bjnp] > > bjnp_allocate_device(mfnp://192.168.1.111:8610/timeout=10000) 0 > > [bjnp] get_scanner_name: Name for 192.168.1.111 not found : Name or > > service not known > > [bjnp] setup_udp_socket: Setting up a UDP socket, dest: > > 192.168.1.111 port 8610 > > [bjnp] bjnp_get_scanner_mac_address: Discover response: > > [bjnp] 00000000:4d 46 4e 50 82 01 00 00 00 00 00 00 00 00 00 10 > > [bjnp] 00000010:00 01 80 00 06 04 f4 a9 97 c9 3d 62 c0 a8 01 6f > > [bjnp] bjnp_allocate_device: Scanner not yet in our list, added it: > > 192.168.1.111:8610 > > [bjnp] get_scanner_id: Get scanner identity > > [bjnp] 00000000:4d 46 4e 50 02 30 00 00 00 01 00 00 00 00 00 00 > > [bjnp] setup_udp_socket: Setting up a UDP socket, dest: > > 192.168.1.111 port 8610 > > [bjnp] get_scanner_id: scanner identity: > > [bjnp] 00000000:4d 46 4e 50 82 30 00 00 00 01 00 00 00 00 00 5a > > [bjnp] 00000010:4d 46 47 3a 43 41 4e 4f 4e 3b 43 4d 44 3a 4d 46 > > [bjnp] 00000020:4e 50 31 2c 4d 75 6c 74 69 50 41 53 53 20 32 2e > > [bjnp] 00000030:31 3b 4d 44 4c 3a 4d 46 36 34 32 43 2f 36 34 33 > > [bjnp] 00000040:43 2f 36 34 34 43 3b 43 4c 53 3a 49 4d 47 3b 44 > > [bjnp] 00000050:45 53 3a 43 61 6e 6f 6e 20 4d 46 36 34 32 43 2f > > [bjnp] 00000060:36 34 33 43 2f 36 34 34 43 3b > > [bjnp] get_scanner_id: Scanner identity string = > > MFG:CANON;CMD:MFNP1,MultiPASS > > 2.1;MDL:MF642C/643C/644C;CLS:IMG;DES:Canon MF642C/643C/644C; - > > length = 90 > > [bjnp] get_scanner_id: Scanner model = MF642C/643C/644C > > [bjnp] add_scanner: New scanner added: > > mfnp://192.168.1.111:8610/timeout=10000, serial 192.168.1.111, mac > > address: f4a997c93d62. > > [bjnp] sanei_bjnp_find_devices: Select returned, time left > > 0.499997.... > > [bjnp] sanei_find_devices: Discover response: > > [bjnp] 00000000:4d 46 4e 50 82 01 00 00 00 00 00 00 00 00 00 10 > > [bjnp] 00000010:00 01 80 00 06 04 f4 a9 97 c9 3d 62 c0 a8 01 6f > > [bjnp] get_scanner_name: Name for 192.168.1.111 not found : Name or > > service not known > > [bjnp] > > bjnp_allocate_device(mfnp://192.168.1.111:8610/timeout=10000) 1 > > [bjnp] get_scanner_name: Name for 192.168.1.111 not found : Name or > > service not known > > [bjnp] setup_udp_socket: Setting up a UDP socket, dest: > > 192.168.1.111 port 8610 > > [bjnp] bjnp_get_scanner_mac_address: Discover response: > > [bjnp] 00000000:4d 46 4e 50 82 01 00 00 00 00 00 00 00 00 00 10 > > [bjnp] 00000010:00 01 80 00 06 04 f4 a9 97 c9 3d 62 c0 a8 01 6f > > [bjnp] add_scanner: Scanner at > > mfnp://192.168.1.111:8610/timeout=10000 was added before, good! > > [bjnp] sanei_find_devices: scanner discovery finished... > > device `pixma:MF642C/643C/644C_192.168.1.111' is a CANON Canon i- > > SENSYS MF640 Series multi-function peripheral > > > > > >
