[FFmpeg-trac] #9507(avcodec:new): close the invalid file descriptor -1 in function v4l2_m2m_destroy_context
FFmpeg
trac at avcodec.org
Tue Nov 16 15:12:43 EET 2021
#9507: close the invalid file descriptor -1 in function v4l2_m2m_destroy_context
--------------------------------------+-----------------------------------
Reporter: sunnan | Owner: (none)
Type: defect | Status: new
Priority: normal | Component: avcodec
Version: git-master | Resolution:
Keywords: 编码器初始化 | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
--------------------------------------+-----------------------------------
Description changed by sunnan:
Old description:
> Summary of the bug:
> Close the invalid file descriptor -1 when init encoder failed.
>
> How to reproduce:
> {{{
> % ./ffmpeg_g -y -i /home/sn/sample/PoC_ff_v4l2.mpeg -loglevel 99
> /home/sn/sample/tmp.m4v
>
> ffmpeg version N-104496-g44c65c6cc0 Copyright (c) 2000-2021 the FFmpeg
> developers
> built with gcc 7 (GCC)
> configuration: --enable-gpl --toolchain=valgrind-memcheck
> }}}
>
> Here's valgring log:
> {{{
> % valgrind --verbose --tool=memcheck --leak-check=full --log-
> file="/home/sn/FFmpeg_Master_Valgrind.log"
> --suppressions=/home/sn/valgrind-3.17.0/valgrind_exclude.supp ./ffmpeg_g
> -y -i /home/sn/sample/PoC_ff_v4l2.mpeg -loglevel 0
> /home/sn/sample/tmp.m4v
>
> ==1450== Memcheck, a memory error detector
> ==1450== Copyright (C) 2002-2017, and GNU GPL'd, by Julian Seward et al.
> ==1450== Using Valgrind-3.17.0-07f0cdcbb4-20210319X and LibVEX; rerun
> with -h for copyright info
> ==1450== Command: ./ffmpeg_g -y -i /home/sn/sample/PoC_ff_v4l2.mpeg
> -loglevel 0 /home/sn/sample/tmp.m4v
> ==1450==
> --1450-- Valgrind options:
> --1450-- --verbose
> --1450-- --tool=memcheck
> --1450-- --leak-check=full
> --1450-- --suppressions=/home/sn/valgrind-3.17.0/valgrind_exclude.supp
> --1450-- Contents of /proc/version:
> --1450-- Linux version 4.4.121-92.129-default (geeko at buildhost) (gcc
> version 4.8.5 (SUSE Linux) ) #1 SMP Tue May 5 08:59:01 UTC 2020 (20b3c80)
> --1450--
> --1450-- Arch and hwcaps: AMD64, LittleEndian, amd64-cx16-rdtscp-
> sse3-ssse3-avx-f16c-rdrand
> --1450-- Page sizes: currently 4096, max supported 4096
> --1450-- Valgrind library directory: /usr/local/libexec/valgrind
> --1450-- Reading syms from /home/sn/FFmpeg_Github_Master/ffmpeg_g
> --1450-- Reading syms from /lib64/ld-2.22.so
> --1450-- Reading syms from /usr/local/libexec/valgrind/memcheck-
> amd64-linux
> --1450-- object doesn't have a dynamic symbol table
> --1450-- Scheduler: using generic scheduler lock implementation.
> --1450-- Reading suppressions file:
> /home/sn/valgrind-3.17.0/valgrind_exclude.supp
> --1450-- Reading suppressions file:
> /usr/local/libexec/valgrind/default.supp
> ==1450== embedded gdbserver: reading from /tmp/vgdb-pipe-from-vgdb-
> to-1450-by-root-on-szvp000007235
> ==1450== embedded gdbserver: writing to /tmp/vgdb-pipe-to-vgdb-
> from-1450-by-root-on-szvp000007235
> ==1450== embedded gdbserver: shared mem /tmp/vgdb-pipe-shared-mem-
> vgdb-1450-by-root-on-szvp000007235
> ==1450==
> ==1450== TO CONTROL THIS PROCESS USING vgdb (which you probably
> ==1450== don't want to do, unless you know exactly what you're doing,
> ==1450== or are doing some strange experiment):
> ==1450== /usr/local/libexec/valgrind/../../bin/vgdb --pid=1450
> ...command...
> ==1450==
> ==1450== TO DEBUG THIS PROCESS USING GDB: start GDB like this
> ==1450== /path/to/gdb ./ffmpeg_g
> ==1450== and then give GDB the following command
> ==1450== target remote | /usr/local/libexec/valgrind/../../bin/vgdb
> --pid=1450
> ==1450== --pid is optional if only one valgrind process is running
> ==1450==
> --1450-- REDIR: 0x4018390 (ld-linux-x86-64.so.2:strlen) redirected to
> 0x580d9b32 (vgPlain_amd64_linux_REDIR_FOR_strlen)
> --1450-- REDIR: 0x40180f0 (ld-linux-x86-64.so.2:index) redirected to
> 0x580d9b4c (vgPlain_amd64_linux_REDIR_FOR_index)
> --1450-- Reading syms from /usr/local/libexec/valgrind/vgpreload_core-
> amd64-linux.so
> --1450-- Reading syms from /usr/local/libexec/valgrind
> /vgpreload_memcheck-amd64-linux.so
> ==1450== WARNING: new redirection conflicts with existing -- ignoring it
> --1450-- old: 0x04018390 (strlen ) R-> (0000.0)
> 0x580d9b32 vgPlain_amd64_linux_REDIR_FOR_strlen
> --1450-- new: 0x04018390 (strlen ) R-> (2007.0)
> 0x04c305a0 strlen
> --1450-- REDIR: 0x4018310 (ld-linux-x86-64.so.2:strcmp) redirected to
> 0x4c316d0 (strcmp)
> --1450-- REDIR: 0x4019090 (ld-linux-x86-64.so.2:mempcpy) redirected to
> 0x4c358f0 (mempcpy)
> --1450-- Reading syms from /lib64/libachk.so
> --1450-- Reading syms from /lib64/libm-2.22.so
> --1450-- Reading syms from /usr/local/lib/libz.so.1.2.11
> --1450-- Reading syms from /usr/lib64/liblzma.so.5.0.5
> --1450-- object doesn't have a symbol table
> --1450-- Reading syms from /lib64/libpthread-2.22.so
> --1450-- Reading syms from /lib64/libc-2.22.so
> --1450-- Reading syms from /lib64/libdl-2.22.so
> --1450-- Reading syms from /lib64/librt-2.22.so
> --1450-- REDIR: 0x5a21440 (libc.so.6:strcasecmp) redirected to 0x4a23758
> (_vgnU_ifunc_wrapper)
> --1450-- REDIR: 0x5a1cd20 (libc.so.6:strcspn) redirected to 0x4a23758
> (_vgnU_ifunc_wrapper)
> --1450-- REDIR: 0x5a23730 (libc.so.6:strncasecmp) redirected to 0x4a23758
> (_vgnU_ifunc_wrapper)
> --1450-- REDIR: 0x5a1f1b0 (libc.so.6:strpbrk) redirected to 0x4a23758
> (_vgnU_ifunc_wrapper)
> --1450-- REDIR: 0x5a1f530 (libc.so.6:strspn) redirected to 0x4a23758
> (_vgnU_ifunc_wrapper)
> --1450-- REDIR: 0x5a20b40 (libc.so.6:memcpy at GLIBC_2.2.5) redirected to
> 0x4a23758 (_vgnU_ifunc_wrapper)
> --1450-- REDIR: 0x5a1eec0 (libc.so.6:rindex) redirected to 0x4c2ff20
> (rindex)
> --1450-- REDIR: 0x5a1b770 (libc.so.6:strcmp) redirected to 0x4a23758
> (_vgnU_ifunc_wrapper)
> --1450-- REDIR: 0x5a2d0f0 (libc.so.6:__strcmp_sse2_unaligned) redirected
> to 0x4c31590 (strcmp)
> --1450-- REDIR: 0x5a1d1c0 (libc.so.6:strlen) redirected to 0x4c304e0
> (strlen)
> --1450-- REDIR: 0x5a196a0 (libc.so.6:posix_memalign) redirected to
> 0x4c2f745 (posix_memalign)
> --1450-- REDIR: 0x5a20bb0 (libc.so.6:memset) redirected to 0x4a23758
> (_vgnU_ifunc_wrapper)
> --1450-- REDIR: 0x5a20c20 (libc.so.6:__GI_memset) redirected to 0x4c347c0
> (memset)
> --1450-- REDIR: 0x5a17c80 (libc.so.6:realloc) redirected to 0x4c2f479
> (realloc)
> --1450-- REDIR: 0x5a17bf0 (libc.so.6:free) redirected to 0x4c2cf81 (free)
> --1450-- REDIR: 0x5a25e10 (libc.so.6:memcpy@@GLIBC_2.14) redirected to
> 0x4a23758 (_vgnU_ifunc_wrapper)
> --1450-- REDIR: 0x5a2d3a0 (libc.so.6:__memcpy_sse2_unaligned) redirected
> to 0x4c31bd0 (memcpy@@GLIBC_2.14)
> --1450-- REDIR: 0x5ac14a0 (libc.so.6:__strspn_sse42) redirected to
> 0x4c35d90 (strspn)
> --1450-- REDIR: 0x5a1b520 (libc.so.6:index) redirected to 0x4a23758
> (_vgnU_ifunc_wrapper)
> --1450-- REDIR: 0x5a1b550 (libc.so.6:__GI_strchr) redirected to 0x4c30080
> (__GI_strchr)
> --1450-- REDIR: 0x5a1cc00 (libc.so.6:strcpy) redirected to 0x4a23758
> (_vgnU_ifunc_wrapper)
> --1450-- REDIR: 0x5a33550 (libc.so.6:__strcpy_sse2_unaligned) redirected
> to 0x4c305c0 (strcpy)
> --1450-- REDIR: 0x5a17f60 (libc.so.6:calloc) redirected to 0x4c2f237
> (calloc)
> --1450-- REDIR: 0x5a17540 (libc.so.6:malloc) redirected to 0x4c2a693
> (malloc)
> --1450-- REDIR: 0x5a27e10 (libc.so.6:strchrnul) redirected to 0x4c35420
> (strchrnul)
> --1450-- REDIR: 0x5a1ee80 (libc.so.6:strncpy) redirected to 0x4a23758
> (_vgnU_ifunc_wrapper)
> --1450-- REDIR: 0x5a33b80 (libc.so.6:__strncpy_sse2_unaligned) redirected
> to 0x4c30ad0 (__strncpy_sse2_unaligned)
> --1450-- REDIR: 0x5a1ffd0 (libc.so.6:strstr) redirected to 0x4a23758
> (_vgnU_ifunc_wrapper)
> --1450-- REDIR: 0x5a37bf0 (libc.so.6:__strstr_sse2_unaligned) redirected
> to 0x4c35ae0 (strstr)
> --1450-- REDIR: 0x5a1fb10 (libc.so.6:__GI_strstr) redirected to 0x4c35b60
> (__strstr_sse2)
> --1450-- REDIR: 0x5a20210 (libc.so.6:memchr) redirected to 0x4c31770
> (memchr)
> --1450-- REDIR: 0x5a25ea0 (libc.so.6:__GI_memcpy) redirected to 0x4c323f0
> (__GI_memcpy)
> --1450-- REDIR: 0x5a1b7b0 (libc.so.6:__GI_strcmp) redirected to 0x4c315e0
> (__GI_strcmp)
> --1450-- REDIR: 0x5a205a0 (libc.so.6:__GI_memcmp) redirected to 0x4c33d00
> (__GI_memcmp)
> --1450-- REDIR: 0x5ad50a0 (libc.so.6:__memmove_ssse3_back) redirected to
> 0x4c31850 (memcpy at GLIBC_2.2.5)
> --1450-- REDIR: 0x5a27c00 (libc.so.6:rawmemchr) redirected to 0x4c35450
> (rawmemchr)
> --1450-- REDIR: 0x5a20560 (libc.so.6:bcmp) redirected to 0x4a23758
> (_vgnU_ifunc_wrapper)
> --1450-- REDIR: 0x5ae5070 (libc.so.6:__memcmp_sse4_1) redirected to
> 0x4c33e60 (__memcmp_sse4_1)
> --1450-- REDIR: 0x5a20df0 (libc.so.6:__GI_mempcpy) redirected to
> 0x4c35620 (__GI_mempcpy)
> --1450-- REDIR: 0x5a209a0 (libc.so.6:__GI_memmove) redirected to
> 0x4c34c50 (__GI_memmove)
> ==1450== Warning: invalid file descriptor -1 in syscall close()
> ==1450== at 0x578ED7D: ??? (in /lib64/libpthread-2.22.so)
> ==1450== by 0x1112CA6: v4l2_m2m_destroy_context (v4l2_m2m.c:331)
> ==1450== by 0x1274CAE: buffer_replace (buffer.c:133)
> ==1450== by 0x1274CAE: av_buffer_unref (buffer.c:144)
> ==1450== by 0x111307C: ff_v4l2_m2m_codec_end (v4l2_m2m.c:360)
> ==1450== by 0x426DC4: avcodec_close (avcodec.c:461)
> ==1450== by 0x8E72D6: avcodec_open2 (avcodec.c:375)
> ==1450== by 0x4A2B3E: init_output_stream (ffmpeg.c:3593)
> ==1450== by 0x4A2B3E: init_output_stream_wrapper (ffmpeg.c:993)
> ==1450== by 0x4A4928: do_video_out (ffmpeg.c:1161)
> ==1450== by 0x4A5CE2: reap_filters (ffmpeg.c:1564)
> ==1450== by 0x4AA2CC: transcode_step (ffmpeg.c:4773)
> ==1450== by 0x4AA2CC: transcode (ffmpeg.c:4817)
> ==1450== by 0x485BBC: main (ffmpeg.c:5021)
> ==1450==
> ==1450== HEAP SUMMARY:
> ==1450== in use at exit: 167 bytes in 2 blocks
> ==1450== total heap usage: 4,317 allocs, 4,315 frees, 4,286,520 bytes
> allocated
> ==1450==
> ==1450== Searching for pointers to 2 not-freed blocks
> ==1450== Checked 7,383,648 bytes
> ==1450==
> ==1450== LEAK SUMMARY:
> ==1450== definitely lost: 0 bytes in 0 blocks
> ==1450== indirectly lost: 0 bytes in 0 blocks
> ==1450== possibly lost: 0 bytes in 0 blocks
> ==1450== still reachable: 167 bytes in 2 blocks
> ==1450== suppressed: 0 bytes in 0 blocks
> ==1450== Reachable blocks (those to which a pointer was found) are not
> shown.
> ==1450== To see them, rerun with: --leak-check=full --show-leak-kinds=all
> ==1450==
> ==1450== ERROR SUMMARY: 0 errors from 0 contexts (suppressed: 2 from 1)
> --1450--
> --1450-- used_suppression: 2 do_not_check_libachk_so
> /home/sn/valgrind-3.17.0/valgrind_exclude.supp:2
> ==1450==
> ==1450== ERROR SUMMARY: 0 errors from 0 contexts (suppressed: 2 from 1)
> }}}
New description:
Summary of the bug:
Close the invalid file descriptor -1 when init encoder failed.
How to reproduce:
{{{
% ./ffmpeg_g -y -i /home/sn/sample/PoC_ff_v4l2.mpeg -loglevel 99
/home/sn/sample/tmp.m4v
ffmpeg version N-104496-g44c65c6cc0 Copyright (c) 2000-2021 the FFmpeg
developers
built with gcc 7 (GCC)
configuration: --enable-gpl --toolchain=valgrind-memcheck
SUSE Linux Enterprise Server 12 (x86_64)
VERSION = 12
PATCHLEVEL = 2
}}}
Here's valgring log:
{{{
% valgrind --verbose --tool=memcheck --leak-check=full --log-
file="/home/sn/FFmpeg_Master_Valgrind.log"
--suppressions=/home/sn/valgrind-3.17.0/valgrind_exclude.supp ./ffmpeg_g
-y -i /home/sn/sample/PoC_ff_v4l2.mpeg -loglevel 0 /home/sn/sample/tmp.m4v
==1450== Memcheck, a memory error detector
==1450== Copyright (C) 2002-2017, and GNU GPL'd, by Julian Seward et al.
==1450== Using Valgrind-3.17.0-07f0cdcbb4-20210319X and LibVEX; rerun with
-h for copyright info
==1450== Command: ./ffmpeg_g -y -i /home/sn/sample/PoC_ff_v4l2.mpeg
-loglevel 0 /home/sn/sample/tmp.m4v
==1450==
--1450-- Valgrind options:
--1450-- --verbose
--1450-- --tool=memcheck
--1450-- --leak-check=full
--1450-- --suppressions=/home/sn/valgrind-3.17.0/valgrind_exclude.supp
--1450-- Contents of /proc/version:
--1450-- Linux version 4.4.121-92.129-default (geeko at buildhost) (gcc
version 4.8.5 (SUSE Linux) ) #1 SMP Tue May 5 08:59:01 UTC 2020 (20b3c80)
--1450--
--1450-- Arch and hwcaps: AMD64, LittleEndian, amd64-cx16-rdtscp-
sse3-ssse3-avx-f16c-rdrand
--1450-- Page sizes: currently 4096, max supported 4096
--1450-- Valgrind library directory: /usr/local/libexec/valgrind
--1450-- Reading syms from /home/sn/FFmpeg_Github_Master/ffmpeg_g
--1450-- Reading syms from /lib64/ld-2.22.so
--1450-- Reading syms from /usr/local/libexec/valgrind/memcheck-
amd64-linux
--1450-- object doesn't have a dynamic symbol table
--1450-- Scheduler: using generic scheduler lock implementation.
--1450-- Reading suppressions file:
/home/sn/valgrind-3.17.0/valgrind_exclude.supp
--1450-- Reading suppressions file:
/usr/local/libexec/valgrind/default.supp
==1450== embedded gdbserver: reading from /tmp/vgdb-pipe-from-vgdb-to-1450
-by-root-on-szvp000007235
==1450== embedded gdbserver: writing to /tmp/vgdb-pipe-to-vgdb-from-1450
-by-root-on-szvp000007235
==1450== embedded gdbserver: shared mem /tmp/vgdb-pipe-shared-mem-
vgdb-1450-by-root-on-szvp000007235
==1450==
==1450== TO CONTROL THIS PROCESS USING vgdb (which you probably
==1450== don't want to do, unless you know exactly what you're doing,
==1450== or are doing some strange experiment):
==1450== /usr/local/libexec/valgrind/../../bin/vgdb --pid=1450
...command...
==1450==
==1450== TO DEBUG THIS PROCESS USING GDB: start GDB like this
==1450== /path/to/gdb ./ffmpeg_g
==1450== and then give GDB the following command
==1450== target remote | /usr/local/libexec/valgrind/../../bin/vgdb
--pid=1450
==1450== --pid is optional if only one valgrind process is running
==1450==
--1450-- REDIR: 0x4018390 (ld-linux-x86-64.so.2:strlen) redirected to
0x580d9b32 (vgPlain_amd64_linux_REDIR_FOR_strlen)
--1450-- REDIR: 0x40180f0 (ld-linux-x86-64.so.2:index) redirected to
0x580d9b4c (vgPlain_amd64_linux_REDIR_FOR_index)
--1450-- Reading syms from /usr/local/libexec/valgrind/vgpreload_core-
amd64-linux.so
--1450-- Reading syms from /usr/local/libexec/valgrind/vgpreload_memcheck-
amd64-linux.so
==1450== WARNING: new redirection conflicts with existing -- ignoring it
--1450-- old: 0x04018390 (strlen ) R-> (0000.0)
0x580d9b32 vgPlain_amd64_linux_REDIR_FOR_strlen
--1450-- new: 0x04018390 (strlen ) R-> (2007.0)
0x04c305a0 strlen
--1450-- REDIR: 0x4018310 (ld-linux-x86-64.so.2:strcmp) redirected to
0x4c316d0 (strcmp)
--1450-- REDIR: 0x4019090 (ld-linux-x86-64.so.2:mempcpy) redirected to
0x4c358f0 (mempcpy)
--1450-- Reading syms from /lib64/libachk.so
--1450-- Reading syms from /lib64/libm-2.22.so
--1450-- Reading syms from /usr/local/lib/libz.so.1.2.11
--1450-- Reading syms from /usr/lib64/liblzma.so.5.0.5
--1450-- object doesn't have a symbol table
--1450-- Reading syms from /lib64/libpthread-2.22.so
--1450-- Reading syms from /lib64/libc-2.22.so
--1450-- Reading syms from /lib64/libdl-2.22.so
--1450-- Reading syms from /lib64/librt-2.22.so
--1450-- REDIR: 0x5a21440 (libc.so.6:strcasecmp) redirected to 0x4a23758
(_vgnU_ifunc_wrapper)
--1450-- REDIR: 0x5a1cd20 (libc.so.6:strcspn) redirected to 0x4a23758
(_vgnU_ifunc_wrapper)
--1450-- REDIR: 0x5a23730 (libc.so.6:strncasecmp) redirected to 0x4a23758
(_vgnU_ifunc_wrapper)
--1450-- REDIR: 0x5a1f1b0 (libc.so.6:strpbrk) redirected to 0x4a23758
(_vgnU_ifunc_wrapper)
--1450-- REDIR: 0x5a1f530 (libc.so.6:strspn) redirected to 0x4a23758
(_vgnU_ifunc_wrapper)
--1450-- REDIR: 0x5a20b40 (libc.so.6:memcpy at GLIBC_2.2.5) redirected to
0x4a23758 (_vgnU_ifunc_wrapper)
--1450-- REDIR: 0x5a1eec0 (libc.so.6:rindex) redirected to 0x4c2ff20
(rindex)
--1450-- REDIR: 0x5a1b770 (libc.so.6:strcmp) redirected to 0x4a23758
(_vgnU_ifunc_wrapper)
--1450-- REDIR: 0x5a2d0f0 (libc.so.6:__strcmp_sse2_unaligned) redirected
to 0x4c31590 (strcmp)
--1450-- REDIR: 0x5a1d1c0 (libc.so.6:strlen) redirected to 0x4c304e0
(strlen)
--1450-- REDIR: 0x5a196a0 (libc.so.6:posix_memalign) redirected to
0x4c2f745 (posix_memalign)
--1450-- REDIR: 0x5a20bb0 (libc.so.6:memset) redirected to 0x4a23758
(_vgnU_ifunc_wrapper)
--1450-- REDIR: 0x5a20c20 (libc.so.6:__GI_memset) redirected to 0x4c347c0
(memset)
--1450-- REDIR: 0x5a17c80 (libc.so.6:realloc) redirected to 0x4c2f479
(realloc)
--1450-- REDIR: 0x5a17bf0 (libc.so.6:free) redirected to 0x4c2cf81 (free)
--1450-- REDIR: 0x5a25e10 (libc.so.6:memcpy@@GLIBC_2.14) redirected to
0x4a23758 (_vgnU_ifunc_wrapper)
--1450-- REDIR: 0x5a2d3a0 (libc.so.6:__memcpy_sse2_unaligned) redirected
to 0x4c31bd0 (memcpy@@GLIBC_2.14)
--1450-- REDIR: 0x5ac14a0 (libc.so.6:__strspn_sse42) redirected to
0x4c35d90 (strspn)
--1450-- REDIR: 0x5a1b520 (libc.so.6:index) redirected to 0x4a23758
(_vgnU_ifunc_wrapper)
--1450-- REDIR: 0x5a1b550 (libc.so.6:__GI_strchr) redirected to 0x4c30080
(__GI_strchr)
--1450-- REDIR: 0x5a1cc00 (libc.so.6:strcpy) redirected to 0x4a23758
(_vgnU_ifunc_wrapper)
--1450-- REDIR: 0x5a33550 (libc.so.6:__strcpy_sse2_unaligned) redirected
to 0x4c305c0 (strcpy)
--1450-- REDIR: 0x5a17f60 (libc.so.6:calloc) redirected to 0x4c2f237
(calloc)
--1450-- REDIR: 0x5a17540 (libc.so.6:malloc) redirected to 0x4c2a693
(malloc)
--1450-- REDIR: 0x5a27e10 (libc.so.6:strchrnul) redirected to 0x4c35420
(strchrnul)
--1450-- REDIR: 0x5a1ee80 (libc.so.6:strncpy) redirected to 0x4a23758
(_vgnU_ifunc_wrapper)
--1450-- REDIR: 0x5a33b80 (libc.so.6:__strncpy_sse2_unaligned) redirected
to 0x4c30ad0 (__strncpy_sse2_unaligned)
--1450-- REDIR: 0x5a1ffd0 (libc.so.6:strstr) redirected to 0x4a23758
(_vgnU_ifunc_wrapper)
--1450-- REDIR: 0x5a37bf0 (libc.so.6:__strstr_sse2_unaligned) redirected
to 0x4c35ae0 (strstr)
--1450-- REDIR: 0x5a1fb10 (libc.so.6:__GI_strstr) redirected to 0x4c35b60
(__strstr_sse2)
--1450-- REDIR: 0x5a20210 (libc.so.6:memchr) redirected to 0x4c31770
(memchr)
--1450-- REDIR: 0x5a25ea0 (libc.so.6:__GI_memcpy) redirected to 0x4c323f0
(__GI_memcpy)
--1450-- REDIR: 0x5a1b7b0 (libc.so.6:__GI_strcmp) redirected to 0x4c315e0
(__GI_strcmp)
--1450-- REDIR: 0x5a205a0 (libc.so.6:__GI_memcmp) redirected to 0x4c33d00
(__GI_memcmp)
--1450-- REDIR: 0x5ad50a0 (libc.so.6:__memmove_ssse3_back) redirected to
0x4c31850 (memcpy at GLIBC_2.2.5)
--1450-- REDIR: 0x5a27c00 (libc.so.6:rawmemchr) redirected to 0x4c35450
(rawmemchr)
--1450-- REDIR: 0x5a20560 (libc.so.6:bcmp) redirected to 0x4a23758
(_vgnU_ifunc_wrapper)
--1450-- REDIR: 0x5ae5070 (libc.so.6:__memcmp_sse4_1) redirected to
0x4c33e60 (__memcmp_sse4_1)
--1450-- REDIR: 0x5a20df0 (libc.so.6:__GI_mempcpy) redirected to 0x4c35620
(__GI_mempcpy)
--1450-- REDIR: 0x5a209a0 (libc.so.6:__GI_memmove) redirected to 0x4c34c50
(__GI_memmove)
==1450== Warning: invalid file descriptor -1 in syscall close()
==1450== at 0x578ED7D: ??? (in /lib64/libpthread-2.22.so)
==1450== by 0x1112CA6: v4l2_m2m_destroy_context (v4l2_m2m.c:331)
==1450== by 0x1274CAE: buffer_replace (buffer.c:133)
==1450== by 0x1274CAE: av_buffer_unref (buffer.c:144)
==1450== by 0x111307C: ff_v4l2_m2m_codec_end (v4l2_m2m.c:360)
==1450== by 0x426DC4: avcodec_close (avcodec.c:461)
==1450== by 0x8E72D6: avcodec_open2 (avcodec.c:375)
==1450== by 0x4A2B3E: init_output_stream (ffmpeg.c:3593)
==1450== by 0x4A2B3E: init_output_stream_wrapper (ffmpeg.c:993)
==1450== by 0x4A4928: do_video_out (ffmpeg.c:1161)
==1450== by 0x4A5CE2: reap_filters (ffmpeg.c:1564)
==1450== by 0x4AA2CC: transcode_step (ffmpeg.c:4773)
==1450== by 0x4AA2CC: transcode (ffmpeg.c:4817)
==1450== by 0x485BBC: main (ffmpeg.c:5021)
==1450==
==1450== HEAP SUMMARY:
==1450== in use at exit: 167 bytes in 2 blocks
==1450== total heap usage: 4,317 allocs, 4,315 frees, 4,286,520 bytes
allocated
==1450==
==1450== Searching for pointers to 2 not-freed blocks
==1450== Checked 7,383,648 bytes
==1450==
==1450== LEAK SUMMARY:
==1450== definitely lost: 0 bytes in 0 blocks
==1450== indirectly lost: 0 bytes in 0 blocks
==1450== possibly lost: 0 bytes in 0 blocks
==1450== still reachable: 167 bytes in 2 blocks
==1450== suppressed: 0 bytes in 0 blocks
==1450== Reachable blocks (those to which a pointer was found) are not
shown.
==1450== To see them, rerun with: --leak-check=full --show-leak-kinds=all
==1450==
==1450== ERROR SUMMARY: 0 errors from 0 contexts (suppressed: 2 from 1)
--1450--
--1450-- used_suppression: 2 do_not_check_libachk_so
/home/sn/valgrind-3.17.0/valgrind_exclude.supp:2
==1450==
==1450== ERROR SUMMARY: 0 errors from 0 contexts (suppressed: 2 from 1)
}}}
--
--
Ticket URL: <https://trac.ffmpeg.org/ticket/9507#comment:1>
FFmpeg <https://ffmpeg.org>
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