diff options
Diffstat (limited to 'sys/kern/exec_elf.c')
| -rw-r--r-- | sys/kern/exec_elf.c | 19 |
1 files changed, 8 insertions, 11 deletions
diff --git a/sys/kern/exec_elf.c b/sys/kern/exec_elf.c index 00a8069a8d1..fdb671a179d 100644 --- a/sys/kern/exec_elf.c +++ b/sys/kern/exec_elf.c @@ -1,4 +1,4 @@ -/* $OpenBSD: exec_elf.c,v 1.102 2014/11/06 16:43:42 tedu Exp $ */ +/* $OpenBSD: exec_elf.c,v 1.103 2014/11/06 17:23:40 millert Exp $ */ /* * Copyright (c) 1996 Per Fogelstrom @@ -938,14 +938,13 @@ ELFNAMEEND(coredump)(struct proc *p, void *cookie) return EPERM; #else Elf_Ehdr ehdr; - Elf_Phdr phdr, *psections; + Elf_Phdr *psections = NULL; struct countsegs_state cs; struct writesegs_state ws; off_t notestart, secstart, offset; size_t notesize, psectionslen; int error, i; - psections = NULL; /* * We have to make a total of 3 passes across the map: * @@ -1000,16 +999,15 @@ ELFNAMEEND(coredump)(struct proc *p, void *cookie) if (error) goto out; - offset = sizeof(ehdr); - - notestart = offset + sizeof(phdr) * cs.npsections; - secstart = notestart + notesize; - psections = mallocarray(cs.npsections, sizeof(Elf_Phdr), M_TEMP, M_WAITOK|M_ZERO); psectionslen = cs.npsections * sizeof(Elf_Phdr); printf("coredump: malloc %zu bytes at %p\n", psectionslen, psections); + offset = sizeof(ehdr); + notestart = offset + psectionslen; + secstart = notestart + notesize; + /* Pass 2: now write the P-section headers. */ ws.secoff = secstart; ws.psections = psections; @@ -1028,13 +1026,12 @@ ELFNAMEEND(coredump)(struct proc *p, void *cookie) ws.psections->p_flags = PF_R; ws.psections->p_align = ELFROUNDSIZE; - error = coredump_write(cookie, UIO_SYSSPACE, psections, - cs.npsections * sizeof(Elf_Phdr)); + error = coredump_write(cookie, UIO_SYSSPACE, psections, psectionslen); if (error) goto out; #ifdef DIAGNOSTIC - offset += cs.npsections * sizeof(Elf_Phdr); + offset += psectionslen; if (offset != notestart) panic("coredump: offset %lld != notestart %lld", (long long) offset, (long long) notestart); |