git: bb726462cbea - stable/13 - linux: Make PTRACE_GETREGSET return proper buffer size
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Date: Mon, 21 Feb 2022 13:49:03 UTC
The branch stable/13 has been updated by trasz: URL: https://cgit.FreeBSD.org/src/commit/?id=bb726462cbea5f6b3ad9e4892cb59b19e45c229c commit bb726462cbea5f6b3ad9e4892cb59b19e45c229c Author: Edward Tomasz Napierala <trasz@FreeBSD.org> AuthorDate: 2021-10-29 14:28:56 +0000 Commit: Edward Tomasz Napierala <trasz@FreeBSD.org> CommitDate: 2022-02-21 13:36:23 +0000 linux: Make PTRACE_GETREGSET return proper buffer size This fixes Chrome warning: [1022/152319.328632:ERROR:ptracer.cc(476)] Unexpected registers size 0 != 216, 68 Reviewed By: emaste Sponsored By: EPSRC Differential Revision: https://reviews.freebsd.org/D32616 (cherry picked from commit f939dccfd770df2f9070cd30aa52105b7afe1bde) --- sys/amd64/linux/linux_ptrace.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sys/amd64/linux/linux_ptrace.c b/sys/amd64/linux/linux_ptrace.c index f189bbc0bc79..5fa7dafdf2c7 100644 --- a/sys/amd64/linux/linux_ptrace.c +++ b/sys/amd64/linux/linux_ptrace.c @@ -574,7 +574,7 @@ linux_ptrace_getregset_prstatus(struct thread *td, pid_t pid, l_ulong data) return (error); } - iov.iov_len -= len; + iov.iov_len = len; error = copyout(&iov, (void *)data, sizeof(iov)); if (error != 0) { linux_msg(td, "iov copyout error %d", error);