Mercurial > hg > graal-compiler
changeset 8763:9ef47379df20
8010144: [parfait] Null pointer deference in hotspot/src/os_cpu/linux_x86/vm/os_linux_x86.cpp
Summary: add null check to signal handler
Reviewed-by: dcubed
author | morris |
---|---|
date | Sat, 16 Mar 2013 07:41:09 -0700 |
parents | 0a2deac0bbfb |
children | 592f9722c72e |
files | src/os_cpu/linux_x86/vm/os_linux_x86.cpp |
diffstat | 1 files changed, 1 insertions(+), 1 deletions(-) [+] |
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--- a/src/os_cpu/linux_x86/vm/os_linux_x86.cpp Sat Mar 16 07:40:36 2013 -0700 +++ b/src/os_cpu/linux_x86/vm/os_linux_x86.cpp Sat Mar 16 07:41:09 2013 -0700 @@ -340,7 +340,7 @@ // here if the underlying file has been truncated. // Do not crash the VM in such a case. CodeBlob* cb = CodeCache::find_blob_unsafe(pc); - nmethod* nm = cb->is_nmethod() ? (nmethod*)cb : NULL; + nmethod* nm = (cb != NULL && cb->is_nmethod()) ? (nmethod*)cb : NULL; if (nm != NULL && nm->has_unsafe_access()) { stub = StubRoutines::handler_for_unsafe_access(); }