https://bugs.kde.org/show_bug.cgi?id=402134
Bug ID: 402134
Summary: assertion failure in mc_translate.c (noteTmpUsesIn)
for Iex_VECRET on arm64
Product: valgrind
Version: unspecified
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: memcheck
Assignee: jsew...@acm.org
Reporter: m...@klomp.org
Target Milestone: ---
# valgrind --tool=memcheck -q /usr/sbin/snmpd
VECRET
Memcheck: the 'impossible' happened:
noteTmpUsesIn
host stacktrace:
==10801== at 0x58045A28: show_sched_status_wrk (m_libcassert.c:369)
==10801== by 0x58045B6B: report_and_quit (m_libcassert.c:440)
==10801== by 0x58045E03: panic (m_libcassert.c:516)
==10801== by 0x58045E03: vgPlain_tool_panic (m_libcassert.c:531)
==10801== by 0x58029133: noteTmpUsesIn (mc_translate.c:8037)
==10801== by 0x58029133: preInstrumentationAnalysis.constprop.26
(mc_translate.c:8221)
==10801== by 0x58034CC7: vgMemCheck_instrument (mc_translate.c:8333)
==10801== by 0x5805C563: tool_instrument_then_gdbserver_if_needed
(m_translate.c:231)
==10801== by 0x5812CF83: LibVEX_FrontEnd (main_main.c:650)
==10801== by 0x5812D4DF: LibVEX_Translate (main_main.c:1185)
==10801== by 0x5805EF8F: vgPlain_translate (m_translate.c:1813)
==10801== by 0x580A2DCF: handle_chain_me (scheduler.c:1134)
==10801== by 0x580A4FFB: vgPlain_scheduler (scheduler.c:1483)
==10801== by 0x580EC1A3: thread_wrapper (syswrap-linux.c:103)
==10801== by 0x580EC1A3: run_a_thread_NORETURN (syswrap-linux.c:156)
==10801== by 0xFFFFFFFFFFFFFFFF: ???
sched status:
running_tid=1
Thread 1: status = VgTs_Runnable (lwpid 10801)
==10801== at 0x54ECD00: aes_v8_set_encrypt_key (aesv8-armx.S:133)
client stack range: [0x1FFF000000 0x1FFF00FFFF] client SP: 0x1FFF00EA30
valgrind stack range: [0x1003300000 0x10033FFFFF] top usage: 14656 of 1048576
The following seems to solve (or ignore) the issue:
diff --git a/memcheck/mc_translate.c b/memcheck/mc_translate.c
index 7f69ee3ec..04ed864a1 100644
--- a/memcheck/mc_translate.c
+++ b/memcheck/mc_translate.c
@@ -8022,6 +8022,7 @@ static inline void noteTmpUsesIn ( /*MOD*/HowUsed*
useEnv,
use info. */
switch (at->tag) {
case Iex_GSPTR:
+ case Iex_VECRET:
case Iex_Const:
return;
case Iex_RdTmp: {
--
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