diff options
Diffstat (limited to 'usr/src/lib/libproc/common/Psymtab.c')
| -rw-r--r-- | usr/src/lib/libproc/common/Psymtab.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/usr/src/lib/libproc/common/Psymtab.c b/usr/src/lib/libproc/common/Psymtab.c index 3176e50448..7c8166d5c3 100644 --- a/usr/src/lib/libproc/common/Psymtab.c +++ b/usr/src/lib/libproc/common/Psymtab.c @@ -21,6 +21,7 @@ /* * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2013, Joyent, Inc. All rights reserved. */ #include <assert.h> @@ -1733,6 +1734,21 @@ Pbuild_file_symtab(struct ps_prochandle *P, file_info_t *fptr) (void) elf_end(elf); elf = newelf; dprintf("switched to faked up ELF file\n"); + + /* + * Check to see if the file that we just discovered + * to be an imposter matches the execname that was + * determined by Pfindexec(). If it does, we (clearly) + * don't have the right binary, and we zero out + * execname before anyone gets hurt. + */ + if (fptr->file_rname != NULL && P->execname != NULL && + strcmp(fptr->file_rname, P->execname) == 0) { + dprintf("file/in-core image mismatch was " + "on P->execname; discarding\n"); + free(P->execname); + P->execname = NULL; + } } } |