Message ID | 1628773760-870-1-git-send-email-tsimpson@quicinc.com |
---|---|
State | New |
Headers | show |
Series | Hexagon (disas/hexagon.c) fix memory leak for early exit cases | expand |
On Thu, 12 Aug 2021 at 14:09, Taylor Simpson <tsimpson@quicinc.com> wrote: > > Don't allocate the string until error conditions have been checked > > Fixes: a00cfed0e ("Hexagon (disas) disassembler") > Eliminate Coverity CID 1460121 (Resource leak) > > Signed-off-by: Taylor Simpson <tsimpson@quicinc.com> > --- > disas/hexagon.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/disas/hexagon.c b/disas/hexagon.c > index 3c24e2a..c1a4ffc 100644 > --- a/disas/hexagon.c > +++ b/disas/hexagon.c > @@ -33,7 +33,7 @@ int print_insn_hexagon(bfd_vma memaddr, struct disassemble_info *info) > { > uint32_t words[PACKET_WORDS_MAX]; > bool found_end = false; > - GString *buf = g_string_sized_new(PACKET_BUFFER_LEN); > + GString *buf; > int i, len; > > for (i = 0; i < PACKET_WORDS_MAX && !found_end; i++) { > @@ -57,6 +57,7 @@ int print_insn_hexagon(bfd_vma memaddr, struct disassemble_info *info) > return PACKET_WORDS_MAX * sizeof(uint32_t); > } > > + buf = g_string_sized_new(PACKET_BUFFER_LEN); > len = disassemble_hexagon(words, i, memaddr, buf); > (*info->fprintf_func)(info->stream, "%s", buf->str); > g_string_free(buf, true); > -- Reviewed-by: Peter Maydell <peter.maydell@linaro.org> thanks -- PMM
On 8/12/21 3:09 PM, Taylor Simpson wrote: > Don't allocate the string until error conditions have been checked > > Fixes: a00cfed0e ("Hexagon (disas) disassembler") > Eliminate Coverity CID 1460121 (Resource leak) > > Signed-off-by: Taylor Simpson <tsimpson@quicinc.com> > --- > disas/hexagon.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
diff --git a/disas/hexagon.c b/disas/hexagon.c index 3c24e2a..c1a4ffc 100644 --- a/disas/hexagon.c +++ b/disas/hexagon.c @@ -33,7 +33,7 @@ int print_insn_hexagon(bfd_vma memaddr, struct disassemble_info *info) { uint32_t words[PACKET_WORDS_MAX]; bool found_end = false; - GString *buf = g_string_sized_new(PACKET_BUFFER_LEN); + GString *buf; int i, len; for (i = 0; i < PACKET_WORDS_MAX && !found_end; i++) { @@ -57,6 +57,7 @@ int print_insn_hexagon(bfd_vma memaddr, struct disassemble_info *info) return PACKET_WORDS_MAX * sizeof(uint32_t); } + buf = g_string_sized_new(PACKET_BUFFER_LEN); len = disassemble_hexagon(words, i, memaddr, buf); (*info->fprintf_func)(info->stream, "%s", buf->str); g_string_free(buf, true);
Don't allocate the string until error conditions have been checked Fixes: a00cfed0e ("Hexagon (disas) disassembler") Eliminate Coverity CID 1460121 (Resource leak) Signed-off-by: Taylor Simpson <tsimpson@quicinc.com> --- disas/hexagon.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)