On Fri, Dec 20, 2024 at 01:54:30PM +0100, Niklas Haas wrote: > From: Niklas Haas <g...@haasn.dev> > > Signed-off-by: Niklas Haas <g...@haasn.dev> > Sponsored-by: Sovereign Tech Fund > --- > tests/checkasm/sw_rgb.c | 308 ++++++++++++++++++++++++++++++++++++++++ > 1 file changed, 308 insertions(+)
This seems to have some issue: (the code in git) if run under asan, it works
fine otherwise
TEST checkasm-sw_rgb
./tests/fate-run.sh fate-checkasm-sw_rgb "" "" "ffmpeg" 'run
tests/checkasm/checkasm --test=sw_rgb' 'null' '' '' '1' '' '' '' '' '' '' '' ''
'' ''
tests/checkasm/checkasm --test=sw_rgb
Test checkasm-sw_rgb failed. Look at tests/data/fate/checkasm-sw_rgb.err for
details.
checkasm: using random seed 486148533
=================================================================
==3872252==ERROR: AddressSanitizer: stack-buffer-overflow on address
0x7fff71741d40 at pc 0x00000073c0d8 bp 0x7fff71740b70 sp 0x7fff71740b68
READ of size 4 at 0x7fff71741d40 thread T0
#0 0x73c0d7 in check_yuv2packed1 tests/checkasm/sw_rgb.c:530:31
#1 0x73346e in checkasm_check_sw_rgb tests/checkasm/sw_rgb.c:802:5
#2 0x677b1c in check_cpu_flag tests/checkasm/checkasm.c:823:13
#3 0x67772d in main tests/checkasm/checkasm.c:1009:5
#4 0x7fc6dee7f082 in __libc_start_main
/build/glibc-LcI20x/glibc-2.31/csu/../csu/libc-start.c:308:16
#5 0x5b4ead in _start (tests/checkasm/checkasm+0x5b4ead)
Address 0x7fff71741d40 is located in stack of thread T0 at offset 4320 in frame
#0 0x73ae1f in check_yuv2packed1 tests/checkasm/sw_rgb.c:494
This frame has 8 object(s):
[32, 48) 'chru' (line 507)
[64, 80) 'chrv' (line 508)
[96, 2144) 'la_src_y' (line 511)
[2272, 4320) 'la_src_u' (line 512) <== Memory access at offset 4320
overflows this variable
[4448, 6496) 'la_src_v' (line 513)
[6624, 8672) 'la_src_a' (line 514)
[8800, 16992) 'la_dst0' (line 516)
[17248, 25440) 'la_dst1' (line 517)
HINT: this may be a false positive if your program uses some custom stack
unwind mechanism, swapcontext or vfork
(longjmp and C++ exceptions *are* supported)
SUMMARY: AddressSanitizer: stack-buffer-overflow tests/checkasm/sw_rgb.c:530:31
in check_yuv2packed1
Shadow bytes around the buggy address:
0x10006e2e0350: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x10006e2e0360: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x10006e2e0370: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x10006e2e0380: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x10006e2e0390: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
=>0x10006e2e03a0: 00 00 00 00 00 00 00 00[f2]f2 f2 f2 f2 f2 f2 f2
0x10006e2e03b0: f2 f2 f2 f2 f2 f2 f2 f2 00 00 00 00 00 00 00 00
0x10006e2e03c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x10006e2e03d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x10006e2e03e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x10006e2e03f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
Shadow byte legend (one shadow byte represents 8 application bytes):
Addressable: 00
Partially addressable: 01 02 03 04 05 06 07
Heap left redzone: fa
Freed heap region: fd
Stack left redzone: f1
Stack mid redzone: f2
Stack right redzone: f3
Stack after return: f5
Stack use after scope: f8
Global redzone: f9
Global init order: f6
Poisoned by user: f7
Container overflow: fc
Array cookie: ac
Intra object redzone: bb
ASan internal: fe
Left alloca redzone: ca
Right alloca redzone: cb
Shadow gap: cc
==3872252==ABORTING
threads=1
make: *** [tests/Makefile:311: fate-checkasm-sw_rgb] Error 1
[...]
--
Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB
If you think the mosad wants you dead since a long time then you are either
wrong or dead since a long time.
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