diff options
Diffstat (limited to 'meta/recipes-devtools/strace/strace/3bbfb541b258baec9eba674b5d8dc30007a61542.patch')
-rw-r--r-- | meta/recipes-devtools/strace/strace/3bbfb541b258baec9eba674b5d8dc30007a61542.patch | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/meta/recipes-devtools/strace/strace/3bbfb541b258baec9eba674b5d8dc30007a61542.patch b/meta/recipes-devtools/strace/strace/3bbfb541b258baec9eba674b5d8dc30007a61542.patch new file mode 100644 index 0000000000..b4c6ff99de --- /dev/null +++ b/meta/recipes-devtools/strace/strace/3bbfb541b258baec9eba674b5d8dc30007a61542.patch @@ -0,0 +1,50 @@ +From 3bbfb541b258baec9eba674b5d8dc30007a61542 Mon Sep 17 00:00:00 2001 +From: "Dmitry V. Levin" <ldv@strace.io> +Date: Wed, 21 Jun 2023 08:00:00 +0000 +Subject: [PATCH] net: enhance getsockopt decoding + +When getsockopt syscall fails the kernel sometimes updates the optlen +argument, for example, NETLINK_LIST_MEMBERSHIPS updates it even if +optval is not writable. + +* src/net.c (SYS_FUNC(getsockopt)): Try to fetch and print optlen +argument on exiting syscall regardless of getsockopt exit status. + +Upstream-Status: Backport +--- + src/net.c | 15 ++++++++++++++- + 1 file changed, 14 insertions(+), 1 deletion(-) + +diff --git a/src/net.c b/src/net.c +index f68ccb947..7244b5e57 100644 +--- a/src/net.c ++++ b/src/net.c +@@ -1038,7 +1038,7 @@ SYS_FUNC(getsockopt) + } else { + ulen = get_tcb_priv_ulong(tcp); + +- if (syserror(tcp) || umove(tcp, tcp->u_arg[4], &rlen) < 0) { ++ if (umove(tcp, tcp->u_arg[4], &rlen) < 0) { + /* optval */ + printaddr(tcp->u_arg[3]); + tprint_arg_next(); +@@ -1047,6 +1047,19 @@ SYS_FUNC(getsockopt) + tprint_indirect_begin(); + PRINT_VAL_D(ulen); + tprint_indirect_end(); ++ } else if (syserror(tcp)) { ++ /* optval */ ++ printaddr(tcp->u_arg[3]); ++ tprint_arg_next(); ++ ++ /* optlen */ ++ tprint_indirect_begin(); ++ if (ulen != rlen) { ++ PRINT_VAL_D(ulen); ++ tprint_value_changed(); ++ } ++ PRINT_VAL_D(rlen); ++ tprint_indirect_end(); + } else { + /* optval */ + print_getsockopt(tcp, tcp->u_arg[1], tcp->u_arg[2], |