diff options
| -rw-r--r-- | ChangeLog | 6 | ||||
| -rw-r--r-- | misc/tsearch.c | 4 | ||||
| -rw-r--r-- | sysdeps/generic/unwind-dw2.c | 14 |
3 files changed, 19 insertions, 5 deletions
@@ -1,5 +1,11 @@ 2006-05-01 Ulrich Drepper <drepper@redhat.com> + * misc/tsearch.c (__tdelete): Remove unnecessary test + [Coverity CID 75]. + + * sysdeps/generic/unwind-dw2.c (execute_cfa_program): Print error + message for invalid DWARF data instead of crashing. + * nis/nss_nis/nis-pwd.c (internal_nis_getpwent_r): Don't try to free outkey in error case when batch_read is set. diff --git a/misc/tsearch.c b/misc/tsearch.c index 5ba244b..1e94d64 100644 --- a/misc/tsearch.c +++ b/misc/tsearch.c @@ -447,7 +447,7 @@ __tdelete (const void *key, void **vrootp, __compar_fn_t compar) /* Q is R's brother, P is R's parent. The subtree with root R has one black edge less than the subtree with root Q. */ q = p->right; - if (q != NULL && q->red) + if (q->red) { /* If Q is red, we know that P is black. We rotate P left so that Q becomes the top node in the tree, with P below @@ -535,7 +535,7 @@ __tdelete (const void *key, void **vrootp, __compar_fn_t compar) { /* Comments: see above. */ q = p->left; - if (q != NULL && q->red) + if (q->red) { q->red = 0; p->red = 1; diff --git a/sysdeps/generic/unwind-dw2.c b/sysdeps/generic/unwind-dw2.c index 5ecf284..d818e5d 100644 --- a/sysdeps/generic/unwind-dw2.c +++ b/sysdeps/generic/unwind-dw2.c @@ -25,6 +25,7 @@ #include <error.h> #include <libintl.h> #include <dwarf2.h> +#include <stdio.h> #include <unwind.h> #include <unwind-pe.h> #include <unwind-dw2-fde.h> @@ -837,9 +838,16 @@ execute_cfa_program (const unsigned char *insn_ptr, case DW_CFA_restore_state: { struct frame_state_reg_info *old_rs = fs->regs.prev; - fs->regs = *old_rs; - old_rs->prev = unused_rs; - unused_rs = old_rs; +#ifdef _LIBC + if (old_rs == NULL) + __libc_fatal ("invalid DWARF unwind data"); + else +#endif + { + fs->regs = *old_rs; + old_rs->prev = unused_rs; + unused_rs = old_rs; + } } break; |