mirror of https://github.com/proxmox/mirror_qemu
2037a73997
Propagate the buffer size to format_dec() and use snprintf().
This should silence this UBSan -Wformat-overflow warning:
In file included from /usr/include/stdio.h:906,
from include/qemu/osdep.h:114,
from ../disas/cris.c:21:
In function 'sprintf',
inlined from 'format_dec' at ../disas/cris.c:1737:3,
inlined from 'print_with_operands' at ../disas/cris.c:2477:12,
inlined from 'print_insn_cris_generic.constprop' at ../disas/cris.c:2690:8:
/usr/include/bits/stdio2.h:30:10: warning: null destination pointer [-Wformat-overflow=]
30 | return __builtin___sprintf_chk (__s, __USE_FORTIFY_LEVEL - 1,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
31 | __glibc_objsize (__s), __fmt,
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
32 | __va_arg_pack ());
| ~~~~~~~~~~~~~~~~~
Reported-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20231120132222.82138-1-philmd@linaro.org>
[Rewritten to fix logic and avoid repeated expression. - Paolo]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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|---|---|---|
| .. | ||
| alpha.c | ||
| capstone.c | ||
| cris.c | ||
| disas-internal.h | ||
| disas-mon.c | ||
| disas.c | ||
| hexagon.c | ||
| hppa.c | ||
| m68k.c | ||
| meson.build | ||
| microblaze.c | ||
| mips.c | ||
| nanomips.c | ||
| nios2.c | ||
| riscv-xthead.c | ||
| riscv-xthead.h | ||
| riscv-xventana.c | ||
| riscv-xventana.h | ||
| riscv.c | ||
| riscv.h | ||
| sh4.c | ||
| sparc.c | ||
| xtensa.c | ||