up_nputs: fix AddressSanitizer: global-buffer-overflow problem #6981
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==2117790==ERROR: AddressSanitizer: global-buffer-overflow on address 0x64d9e3c0 at pc 0x59ac4e16 bp 0xcefe8058 sp 0xcefe8048
READ of size 1 at 0x64d9e3c0 thread T0
#0 0x59ac4e15 in up_nputs sim/up_nputs.c:54
#1 0x59a67e4c in syslog_default_write syslog/syslog_channel.c:220
#2 0x59a67823 in syslog_default_write syslog/syslog_write.c:101
apache#3 0x59a67f10 in syslog_write syslog/syslog_write.c:153
apache#4 0x59a651c3 in syslogstream_flush syslog/syslog_stream.c:60
apache#5 0x59a6564e in syslogstream_addchar syslog/syslog_stream.c:104
apache#6 0x59a6576f in syslogstream_putc syslog/syslog_stream.c:140
apache#7 0x5989fc4d in vsprintf_internal stdio/lib_libvsprintf.c:952
apache#8 0x598a1298 in lib_vsprintf stdio/lib_libvsprintf.c:1379
apache#9 0x59a64ea4 in nx_vsyslog syslog/vsyslog.c:223
apache#10 0x598a601a in vsyslog syslog/lib_syslog.c:68
apache#11 0x59b0e3dc in AIOTJS::logPrintf(int, char const*, ...) src/ajs_log.cpp:45
apache#12 0x59b03d56 in jse_dump_obj src/jse/quickjs/jse_quickjs.cpp:569
apache#13 0x59b03ea1 in jse_dump_error1(JSContext*, unsigned long long) src/jse/quickjs/jse_quickjs.cpp:602
apache#14 0x59b03dd9 in jse_dump_error(JSContext*) src/jse/quickjs/jse_quickjs.cpp:591
apache#15 0x59bed615 in ferry::DomComponent::callHook(char const*) src/framework/dom/component.cpp:65
apache#16 0x59bfe0ff in ferry::DomComponent::initialize() src/framework/dom/component.cpp:645
apache#17 0x59bb141d in dom_create_component(JSContext*, unsigned long long, unsigned long long, unsigned long long) (/home/wangbowen/project/central/vela_miot_bes_m0/bin/audio+0x365c41d)
apache#18 0x59b4c0d3 in AIOTJS::__createComponent(JSContext*, unsigned long long, int, unsigned long long*) (/home/wangbowen/project/central/vela_miot_bes_m0/bin/audio+0x35f70d3)
apache#19 0x5a56ec17 in js_call_c_function quickjs/quickjs.c:16108
Signed-off-by: wangbowen6 <wangbowen6@xiaomi.com>
xiaoxiang781216
approved these changes
Sep 1, 2022
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Signed-off-by: wangbowen6 wangbowen6@xiaomi.com
Summary
==2117790==ERROR: AddressSanitizer: global-buffer-overflow on address 0x64d9e3c0 at pc 0x59ac4e16 bp 0xcefe8058 sp 0xcefe8048
READ of size 1 at 0x64d9e3c0 thread T0
#0 0x59ac4e15 in up_nputs sim/up_nputs.c:54
#1 0x59a67e4c in syslog_default_write syslog/syslog_channel.c:220
#2 0x59a67823 in syslog_default_write syslog/syslog_write.c:101
#3 0x59a67f10 in syslog_write syslog/syslog_write.c:153
#4 0x59a651c3 in syslogstream_flush syslog/syslog_stream.c:60
#5 0x59a6564e in syslogstream_addchar syslog/syslog_stream.c:104
#6 0x59a6576f in syslogstream_putc syslog/syslog_stream.c:140
#7 0x5989fc4d in vsprintf_internal stdio/lib_libvsprintf.c:952
#8 0x598a1298 in lib_vsprintf stdio/lib_libvsprintf.c:1379
#9 0x59a64ea4 in nx_vsyslog syslog/vsyslog.c:223
#10 0x598a601a in vsyslog syslog/lib_syslog.c:68
#11 0x59b0e3dc in AIOTJS::logPrintf(int, char const*, ...) src/ajs_log.cpp:45
#12 0x59b03d56 in jse_dump_obj src/jse/quickjs/jse_quickjs.cpp:569
#13 0x59b03ea1 in jse_dump_error1(JSContext*, unsigned long long) src/jse/quickjs/jse_quickjs.cpp:602
#14 0x59b03dd9 in jse_dump_error(JSContext*) src/jse/quickjs/jse_quickjs.cpp:591
#15 0x59bed615 in ferry::DomComponent::callHook(char const*) src/framework/dom/component.cpp:65
#16 0x59bfe0ff in ferry::DomComponent::initialize() src/framework/dom/component.cpp:645
#17 0x59bb141d in dom_create_component(JSContext*, unsigned long long, unsigned long long, unsigned long long) (/home/wangbowen/project/central/vela_miot_bes_m0/bin/audio+0x365c41d)
#18 0x59b4c0d3 in AIOTJS::__createComponent(JSContext*, unsigned long long, int, unsigned long long*) (/home/wangbowen/project/central/vela_miot_bes_m0/bin/audio+0x35f70d3)
#19 0x5a56ec17 in js_call_c_function quickjs/quickjs.c:16108
Impact
no impact
Testing
Local test with sim env