git: 392611f28695 - stable/13 - imgact_elf: compute auxv buffer size instead of using magic value
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Date: Thu, 12 May 2022 22:56:27 UTC
The branch stable/13 has been updated by jhb: URL: https://cgit.FreeBSD.org/src/commit/?id=392611f2869573cc41551d5b6c6504f8e604d163 commit 392611f2869573cc41551d5b6c6504f8e604d163 Author: Edward Tomasz Napierala <trasz@FreeBSD.org> AuthorDate: 2021-06-21 14:34:19 +0000 Commit: John Baldwin <jhb@FreeBSD.org> CommitDate: 2022-05-12 22:12:59 +0000 imgact_elf: compute auxv buffer size instead of using magic value The new buffer is somewhat larger, but there should be no functional changes. Reviewed By: kib, imp Sponsored By: EPSRC Differential Revision: https://reviews.freebsd.org/D30821 (cherry picked from commit 06250515cff552217d14145e8932cb1a543a7e07) --- sys/kern/imgact_elf.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/sys/kern/imgact_elf.c b/sys/kern/imgact_elf.c index d189339283a7..1732b0dbe23d 100644 --- a/sys/kern/imgact_elf.c +++ b/sys/kern/imgact_elf.c @@ -2526,7 +2526,8 @@ __elfN(note_procstat_auxv)(void *arg, struct sbuf *sb, size_t *sizep) p = (struct proc *)arg; if (sb == NULL) { size = 0; - sb = sbuf_new(NULL, NULL, 128, SBUF_FIXEDLEN); + sb = sbuf_new(NULL, NULL, AT_COUNT * sizeof(Elf_Auxinfo), + SBUF_FIXEDLEN); sbuf_set_drain(sb, sbuf_count_drain, &size); sbuf_bcat(sb, &structsize, sizeof(structsize)); PHOLD(p);