[FFmpeg-cvslog] r23764 - trunk/libavformat/mov.c
Carl Eugen Hoyos
cehoyos
Tue Sep 21 01:42:07 CEST 2010
bcoudurier <subversion <at> mplayerhq.hu> writes:
> - MOVAtom a = { 0 };
> + MOVAtom a = { AV_RL32("stsd") };
Using icc 12.0 Beta leads to a segfault now:
(gdb) r -i tests/data/acodec/alac.m4a
FFmpeg version SVN-r25148, Copyright (c) 2000-2010 the FFmpeg developers
built on Sep 21 2010 00:30:52 with icc 1200
configuration: --cc=/opt/intel/composerxe-2011.0.048/bin/intel64/icc
libavutil 50.27. 0 / 50.27. 0
libavcore 0. 9. 0 / 0. 9. 0
libavcodec 52.89. 0 / 52.89. 0
libavformat 52.78. 5 / 52.78. 5
libavdevice 52. 2. 2 / 52. 2. 2
libavfilter 1.39. 0 / 1.39. 0
libswscale 0.11. 0 / 0.11. 0
Program received signal SIGSEGV, Segmentation fault.
mov_read_header (s=0x7fffffffd490, ap=0x7fffffffd9c0) at
libavformat/mov.c:2390
2390 MOVAtom atom = { AV_RL32("root") };
(gdb) bt full
#0 mov_read_header (s=0x7fffffffd490, ap=0x7fffffffd9c0) at
libavformat/mov.c:2390
mov = 0x154e510
pb = 0x1556520
atom = {type = 0, size = 0}
#1 0x00000000004c66b2 in av_open_input_file (ic_ptr=0x7fffffffd490,
filename=0x7fffffffd9c0 "", fmt=0x0, buf_size=22340880, ap=0x78) at
libavformat/utils.c:607
probe_data = {filename = 0x7fffffffe27b
"tests/data/acodec/alac.m4a", buf = 0x0, buf_size = 0}
pb = 0x1556520
logctx = 0x154d470
#2 0x0000000000412ca2 in opt_input_file (filename=0x7fffffffd490 "") at
ffmpeg.c:3172
ic = 0x154d470
params = {time_base = {num = 0, den = 0}, sample_rate = 44100,
channels = 1, width = 0, height = 0, pix_fmt = PIX_FMT_NONE, channel = 0,
standard = 0x0, mpeg2ts_raw = 0, mpeg2ts_compute_pcr = 0, initial_pause = 0,
prealloced_context = 1, video_codec_id = CODEC_ID_NONE,
audio_codec_id = CODEC_ID_NONE}
file_iformat = 0x0
rfps = 0
rfps_base = -7557
timestamp = 0
#3 0x000000000041c661 in parse_options (argc=-11120, argv=0x7fffffffd9c0,
options=0x0, parse_arg_function=0x154e510) at cmdutils.c:179
bool_val = 114
opt = 0x78 <Address 0x78 out of bounds>
arg = 0x154e510 ""
po = 0x0
#4 0x0000000000405265 in main (argc=-11120, argv=0x7fffffffd9c0) at
ffmpeg.c:4325
ti = 5
(gdb) disass $pc-47 $pc+32
Dump of assembler code from 0x470fea to 0x471039:
0x0000000000470fea <mov_read_header+0>: push %r13
0x0000000000470fec <mov_read_header+2>: push %r14
0x0000000000470fee <mov_read_header+4>: push %r15
0x0000000000470ff0 <mov_read_header+6>: push %rbx
0x0000000000470ff1 <mov_read_header+7>: sub $0x18,%rsp
0x0000000000470ff5 <mov_read_header+11>: mov %rdi,%r14
0x0000000000470ff8 <mov_read_header+14>: mov $0x0,%rax
0x0000000000471002 <mov_read_header+24>: lea (%rsp),%rdi
0x0000000000471006 <mov_read_header+28>: stos %rax,%es:(%rdi)
0x0000000000471008 <mov_read_header+30>: stos %rax,%es:(%rdi)
0x000000000047100a <mov_read_header+32>: movsbl 0x6fb0b7(%rip),%eax
# 0xb6c0c8
0x0000000000471011 <mov_read_header+39>: mov 0x18(%r14),%r13
0x0000000000471015 <mov_read_header+43>: mov 0x20(%r14),%rbx
0x0000000000471019 <mov_read_header+47>: mov (%rax),%edx
0x000000000047101b <mov_read_header+49>: mov %r14,0x0(%r13)
0x000000000047101f <mov_read_header+53>: mov %edx,(%rsp)
0x0000000000471022 <mov_read_header+56>: cmpl $0x0,0x54(%rbx)
0x0000000000471026 <mov_read_header+60>: jne 0x471037
<mov_read_header+77>
0x0000000000471028 <mov_read_header+62>: mov %rbx,%rdi
0x000000000047102b <mov_read_header+65>: callq 0x43ab50 <url_fsize>
0x0000000000471030 <mov_read_header+70>: mov %rax,0x8(%rsp)
0x0000000000471035 <mov_read_header+75>: jmp 0x471046
<mov_read_header+92>
0x0000000000471037 <mov_read_header+77>: mov $0x7fffffffffffffff,%rax
End of assembler dump.
(gdb) info registers
rax 0x72 114
rbx 0x1556520 22373664
rcx 0x154e510 22340880
rdx 0x0 0
rsi 0x7fffffffd9c0 140737488345536
rdi 0x7fffffffd490 140737488344208
rbp 0x7fffffffe27b 0x7fffffffe27b
rsp 0x7fffffffd480 0x7fffffffd480
r8 0x78 120
r9 0xb1f611 11662865
r10 0x0 0
r11 0xb1f332 11662130
r12 0x7fffffffda00 140737488345600
r13 0x154e510 22340880
r14 0x154d470 22336624
r15 0x7fffffffd9c0 140737488345536
rip 0x471019 0x471019 <mov_read_header+47>
eflags 0x10202 [ IF RF ]
cs 0x33 51
ss 0x2b 43
ds 0x0 0
es 0x0 0
fs 0x0 0
gs 0x0 0
fctrl 0x37f 895
fstat 0x0 0
ftag 0xffff 65535
fiseg 0x0 0
fioff 0x0 0
foseg 0x0 0
fooff 0x0 0
fop 0x0 0
mxcsr 0x9fe4 [ ZE PE DAZ IM DM ZM OM UM PM FZ ]
I opened an Intel issue report, but is there any chance that is is not the
compilers fault?
Carl Eugen
More information about the ffmpeg-cvslog
mailing list