Attachment 161937 Details for Bug 244558 – results from a run 'gdb --args gnome-cd --unique --play --device /dev/scd0'

results from a run 'gdb --args gnome-cd --unique --play --device /dev/scd0'

gnome-cd.gdb-trace (text/plain), 6.84 KB, created by Michal Jaegermann on 2007-08-21 01:10:18 UTC

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Creator: Michal Jaegermann

Created: 2007-08-21 01:10:18 UTC

Size: 6.84 KB

patch

obsolete

>Current directory is /home/michal/gnome-cd/
>GNU gdb Red Hat Linux (6.6-15.fc7rh)
>Copyright (C) 2006 Free Software Foundation, Inc.
>GDB is free software, covered by the GNU General Public License, and you are
>welcome to change it and/or distribute copies of it under certain conditions.
>Type "show copying" to see the conditions.
>There is absolutely no warranty for GDB.  Type "show warranty" for details.
>This GDB was configured as "x86_64-redhat-linux-gnu"...
>Using host libthread_db library "/lib64/libthread_db.so.1".
>(gdb) r
>Starting program: /usr/bin/gnome-cd --unique --play --device /dev/scd0
>[Thread debugging using libthread_db enabled]
>[New Thread 46912496372624 (LWP 15373)]
>[Detaching after fork from child process 15376. (Try `set detach-on-fork off'.)]
>[New Thread 1084229968 (LWP 15377)]
>
>Program received signal SIGSEGV, Segmentation fault.
>[Switching to Thread 46912496372624 (LWP 15373)]
>0x00000032b3609df5 in sg2_setup_scsi_cmd (d=0x8050f0, cmdp=0x7fff14f01420 "Z", cmd_len=10, in_size=0, out_size=22) at scsi_interface.c:396
>(gdb) where
>#0  0x00000032b3609df5 in sg2_setup_scsi_cmd (d=0x8050f0, cmdp=0x7fff14f01420 "Z", cmd_len=10, in_size=0, out_size=22) at scsi_interface.c:396
>#1  0x00000032b360a523 in mode_sense_atapi (d=0x8050f0, size=22, page=42) at scsi_interface.c:578
>#2  0x00000032b360a70a in mode_sense (d=0x8050f0, size=22, page=42) at scsi_interface.c:618
>#3  0x00000032b360deab in check_mmc (d=0x8050f0) at scsi_interface.c:1510
>#4  0x00000032b360e2a4 in scsi_init_drive (d=0x8050f0) at scsi_interface.c:1573
>#5  0x00000032b360e191 in scsi_inquiry (d=0x8050f0) at scsi_interface.c:1557
>#6  0x00000032b3604e34 in sgio_cdda_identify_scsi (generic_device=0x78cb40 "/dev/scd0", ioctl_device=0x0, messagedest=0, messages=0x0) at scan_devices.c:538
>#7  0x00000032b36050d1 in cdda_identify_scsi (generic_device=0x78cb40 "/dev/scd0", ioctl_device=0x0, messagedest=0, messages=0x0) at scan_devices.c:610
>#8  0x00000032b3603df2 in cdda_identify (device=0x78cb40 "/dev/scd0", messagedest=0, messages=0x0) at scan_devices.c:130
>#9  0x00002aaaaf7ba8b9 in gst_cd_paranoia_src_open (cddabasesrc=0x79a150, device=0x78cb40 "/dev/scd0") at gstcdparanoiasrc.c:189
>#10 0x00002aaaaf9c0a79 in gst_cdda_base_src_start (basesrc=0x79a150) at gstcddabasesrc.c:1371
>#11 0x0000003615a104e7 in gst_base_src_start (basesrc=0x79a150) at gstbasesrc.c:1986
>#12 0x0000003615a11602 in gst_base_src_activate_push (pad=0x7922e0, active=<value optimized out>) at gstbasesrc.c:2121
>#13 0x00000036156511ed in gst_pad_activate_push (pad=0x7922e0, active=1) at gstpad.c:886
>#14 0x0000003615651710 in gst_pad_set_active (pad=0x7922e0, active=1) at gstpad.c:648
>#15 0x000000361563ab4b in activate_pads (pad=0x24, ret=0x7fff14f01c00, active=0x7fff14f01420) at gstelement.c:2446
>#16 0x0000003615645d03 in gst_iterator_fold (it=0x804670, func=0x361563ab30 <activate_pads>, ret=0x7fff14f01c00, user_data=0x7fff14f01c6c) at gstiterator.c:503
>#17 0x000000361563a646 in iterator_activate_fold_with_resync (iter=0x804670, func=0x361563ab30 <activate_pads>, user_data=0x7fff14f01c6c) at gstelement.c:2478
>#18 0x000000361563a6f7 in gst_element_pads_activate (element=0x79a150, active=1) at gstelement.c:2513
>#19 0x000000361563aa5c in gst_element_change_state_func (element=0x79a150, transition=<value optimized out>) at gstelement.c:2586
>#20 0x0000003615a12ae3 in gst_base_src_change_state (element=0x79a150, transition=GST_STATE_CHANGE_READY_TO_PAUSED) at gstbasesrc.c:2271
>#21 0x00000036156376b0 in gst_element_change_state (element=0x24, transition=351278112) at gstelement.c:2362
>#22 0x0000003615637791 in gst_element_change_state (element=0x79a150, transition=<value optimized out>) at gstelement.c:2399
>#23 0x0000003615637ae4 in gst_element_set_state_func (element=0x79a150, state=<value optimized out>) at gstelement.c:2312
>#24 0x000000361562bb48 in gst_bin_change_state_func (element=0x774200, transition=GST_STATE_CHANGE_READY_TO_PAUSED) at gstbin.c:1953
>#25 0x0000003615653dab in gst_pipeline_change_state (element=0x774200, transition=GST_STATE_CHANGE_READY_TO_PAUSED) at gstpipeline.c:503
>#26 0x00002aaaaef73e42 in gst_play_base_bin_change_state (element=0x774200, transition=7222656) at gstplaybasebin.c:2580
>#27 0x00002aaaaef6cd0f in gst_play_bin_change_state (element=0x774200, transition=GST_STATE_CHANGE_READY_TO_PAUSED) at gstplaybin.c:1821
>#28 0x00000036156376b0 in gst_element_change_state (element=0x24, transition=351278112) at gstelement.c:2362
>#29 0x0000003615637791 in gst_element_change_state (element=0x774200, transition=<value optimized out>) at gstelement.c:2399
>#30 0x0000003615637ae4 in gst_element_set_state_func (element=0x774200, state=<value optimized out>) at gstelement.c:2312
>#31 0x0000000000411904 in gst_cdrom_ensure_open (cdrom=0x764f00) at gst-cdrom.c:826
>#32 0x000000000041217c in gst_cdrom_update_cd (gnome_cdrom=<value optimized out>) at gst-cdrom.c:862
>#33 0x000000000040ea0d in gnome_cdrom_construct (cdrom=0x764f00, device=0x76aab0 "/dev/scd0", update=GNOME_CDROM_UPDATE_CONTINOUS, lifetime=GNOME_CDROM_DEVICE_STATIC, error=0x7fff14f022c0) at cdrom.c:853
>#34 0x000000000040a7af in main (argc=<value optimized out>, argv=0x7fff14f023d8) at gnome-cd.c:625
>(gdb) list sg2_setup_scsi_cmd
>385	
>386	static void sg2_setup_scsi_cmd(cdrom_drive *d,
>387					char *cmdp,
>388					unsigned int cmd_len,
>389					unsigned int in_size,
>390					unsigned int out_size) {
>391	  struct sg_info *sgi = (struct sg_info *)d->sg;
>392	  struct sg_header *hdr = (struct sg_header *)sgi->hdr;
>393	
>394	  sgi->cmdp = (char *)hdr + sizeof (struct sg_header);
>(gdb) list
>395	  sgi->cmd_len = cmd_len;
>396	  memcpy(sgi->cmdp, cmdp, cmd_len);
>397	
>398	  sgi->dxferp = sgi->cmdp + cmd_len;
>399	  memset(sgi->dxferp, sgi->bytefill, sgi->dxferp_max_buffer_len - cmd_len);
>400	
>401	  sgi->in_size = in_size;
>402	  sgi->out_size = out_size;
>403	}
>404	
>(gdb)
>(gdb) p *sgi
>$1 = {hdr = 0x0, cmdp = 0x24 <Address 0x24 out of bounds>, cmd_len = 10, cmdp_buffer_len = 0, dxferp = 0x0, dxferp_buffer_len = 0, dxferp_max_buffer_len = 2352, bytefill = 255 'ÿ', bytecheck = 1, in_size = 0, out_size = 0, handle_scsi_cmd = 0x32b3609e52 <sg2_handle_scsi_cmd>, setup_scsi_cmd = 0x32b3609d90 <sg2_setup_scsi_cmd>}
>(gdb) p *hdr
>Cannot access memory at address 0x0
>(gdb) p *d
>$2 = {opened = 0, cdda_device_name = 0x0, ioctl_device_name = 0x0, cdda_fd = 0, ioctl_fd = 0, drive_model = 0x0, drive_type = 11, interface = 0, bigendianp = -1, nsectors = 13, cd_extra = 0, tracks = 0, disc_toc = {{bFlags = 0 '\0', bTrack = 0 '\0', dwStartSector = 0} <repeats 100 times>}, audio_first_sector = 0, audio_last_sector = 0, errordest = 0, messagedest = 0, errorbuf = 0x0, messagebuf = 0x0, enable_cdda = 0, read_toc = 0, read_audio = 0, set_speed = 0, error_retry = 0, report_all = 0, is_atapi = 1, is_mmc = 0, sg = 0x7ec980 "", sg_buffer = 0x0, inqbytes = {0 '\0', 0 '\0', 0 '\0', 0 '\0'}, density = 0 '\0', orgdens = 0 '\0', orgsize = 0, bigbuff = 32768, adjust_ssize = 0, fua = 0, lun = -1, sigset = {__val = {0 <repeats 16 times>}}}

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Attachments on bug 244558: 157250 | 161937 | 161938