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| author | Sverker Eriksson <[email protected]> | 2015-03-18 18:34:24 +0100 |
|---|---|---|
| committer | Björn-Egil Dahlberg <[email protected]> | 2015-03-19 14:57:56 +0100 |
| commit | a8599e3fbeb4628268f8761cbb1102d24d552133 (patch) | |
| tree | 1171c354081ae612ed4f6b35ed3e4b4c0836a465 | |
| parent | f237e9d4532ce72e88091ffe190a8c252d81d91f (diff) | |
| download | otp-a8599e3fbeb4628268f8761cbb1102d24d552133.tar.gz otp-a8599e3fbeb4628268f8761cbb1102d24d552133.tar.bz2 otp-a8599e3fbeb4628268f8761cbb1102d24d552133.zip | |
erts: Fix bug in ESTACK and WSTACK
The [ew]default field would get uninitialised when the stack was
saved and later restored.
Detected by valgrind.
| -rw-r--r-- | erts/emulator/beam/global.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/erts/emulator/beam/global.h b/erts/emulator/beam/global.h index ef7a183d08..42daa2c9ef 100644 --- a/erts/emulator/beam/global.h +++ b/erts/emulator/beam/global.h @@ -426,6 +426,7 @@ do {\ memcpy((dst)->start, (s).start,_wsz*sizeof(Eterm));\ (dst)->sp = (dst)->start + _wsz;\ (dst)->end = (dst)->start + DEF_ESTACK_SIZE;\ + (dst)->edefault = NULL;\ (dst)->alloc_type = (s).alloc_type;\ } else\ *(dst) = (s);\ @@ -593,6 +594,7 @@ do {\ memcpy((dst)->wstart, s.wstart,_wsz*sizeof(UWord));\ (dst)->wsp = (dst)->wstart + _wsz;\ (dst)->wend = (dst)->wstart + DEF_WSTACK_SIZE;\ + (dst)->wdefault = NULL;\ (dst)->alloc_type = s.alloc_type;\ } else\ *(dst) = s;\ |