mirror of https://github.com/hak5/openwrt.git
iproute2: backport json_print-fix-hidden-64-bit-type-promotion
The sender domain has a DMARC Reject/Quarantine policy which disallows sending mailing list messages using the original "From" header. To mitigate this problem, the original message has been wrapped automatically by the mailing list software. print_uint() will silently promote its variable type to uint64_t, but there is nothing that ensures that the format string specifier passed along with it fits (and the function name suggest to pass "%u"). Fix this by changing print_uint() to use a native 'unsigned int' type, and introduce a separate print_u64() function for printing 64-bit values. All call sites that were actually printing 64-bit values using print_uint() are converted to use print_u64() instead. Since print_int() was already using native int types, just add a print_s64() to match, but don't convert any call sites. Fixes wonkyness in some stats from some qdiscs under tc Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>openwrt-18.06
Kevin Darbyshire-Bryant
John Crispin
parent
53c474abbd
commit
ad5af37ca7
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@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
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PKG_NAME:=iproute2
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PKG_VERSION:=4.16.0
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PKG_RELEASE:=1
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PKG_RELEASE:=2
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PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.xz
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PKG_SOURCE_URL:=@KERNEL/linux/utils/net/iproute2
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@ -0,0 +1,288 @@
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From 8de9593bb9dc05cb1be593a237682e8707e41aa9 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Toke=20H=C3=B8iland-J=C3=B8rgensen?= <toke@toke.dk>
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Date: Wed, 25 Apr 2018 16:19:35 +0200
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Subject: [PATCH] json_print: Fix hidden 64-bit type promotion
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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print_uint() will silently promote its variable type to uint64_t, but there
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is nothing that ensures that the format string specifier passed along with
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it fits (and the function name suggest to pass "%u").
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Fix this by changing print_uint() to use a native 'unsigned int' type, and
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introduce a separate print_u64() function for printing 64-bit values. All
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call sites that were actually printing 64-bit values using print_uint() are
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converted to use print_u64() instead.
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Since print_int() was already using native int types, just add a
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print_s64() to match, but don't convert any call sites.
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Signed-off-by: Toke Høiland-Jørgensen <toke@toke.dk>
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Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
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---
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include/json_print.h | 4 +++-
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include/json_writer.h | 12 ++++++----
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ip/ipaddress.c | 62 +++++++++++++++++++++++++--------------------------
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ip/ipmacsec.c | 8 +++----
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ip/ipmroute.c | 6 ++---
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lib/json_print.c | 4 +++-
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lib/json_writer.c | 30 +++++++++++++++++++++----
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7 files changed, 78 insertions(+), 48 deletions(-)
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--- a/include/json_print.h
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+++ b/include/json_print.h
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@@ -56,10 +56,12 @@ void close_json_array(enum output_type t
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print_color_##type_name(t, COLOR_NONE, key, fmt, value); \
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}
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_PRINT_FUNC(int, int);
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+_PRINT_FUNC(s64, int64_t);
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_PRINT_FUNC(bool, bool);
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_PRINT_FUNC(null, const char*);
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_PRINT_FUNC(string, const char*);
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-_PRINT_FUNC(uint, uint64_t);
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+_PRINT_FUNC(uint, unsigned int);
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+_PRINT_FUNC(u64, uint64_t);
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_PRINT_FUNC(hu, unsigned short);
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_PRINT_FUNC(hex, unsigned int);
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_PRINT_FUNC(0xhex, unsigned int);
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--- a/include/json_writer.h
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+++ b/include/json_writer.h
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@@ -34,9 +34,11 @@ void jsonw_string(json_writer_t *self, c
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void jsonw_bool(json_writer_t *self, bool value);
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void jsonw_float(json_writer_t *self, double number);
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void jsonw_float_fmt(json_writer_t *self, const char *fmt, double num);
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-void jsonw_uint(json_writer_t *self, uint64_t number);
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+void jsonw_uint(json_writer_t *self, unsigned int number);
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+void jsonw_u64(json_writer_t *self, uint64_t number);
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void jsonw_hu(json_writer_t *self, unsigned short number);
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-void jsonw_int(json_writer_t *self, int64_t number);
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+void jsonw_int(json_writer_t *self, int number);
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+void jsonw_s64(json_writer_t *self, int64_t number);
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void jsonw_null(json_writer_t *self);
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void jsonw_lluint(json_writer_t *self, unsigned long long int num);
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@@ -44,9 +46,11 @@ void jsonw_lluint(json_writer_t *self, u
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void jsonw_string_field(json_writer_t *self, const char *prop, const char *val);
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void jsonw_bool_field(json_writer_t *self, const char *prop, bool value);
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void jsonw_float_field(json_writer_t *self, const char *prop, double num);
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-void jsonw_uint_field(json_writer_t *self, const char *prop, uint64_t num);
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+void jsonw_uint_field(json_writer_t *self, const char *prop, unsigned int num);
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+void jsonw_u64_field(json_writer_t *self, const char *prop, uint64_t num);
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void jsonw_hu_field(json_writer_t *self, const char *prop, unsigned short num);
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-void jsonw_int_field(json_writer_t *self, const char *prop, int64_t num);
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+void jsonw_int_field(json_writer_t *self, const char *prop, int num);
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+void jsonw_s64_field(json_writer_t *self, const char *prop, int64_t num);
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void jsonw_null_field(json_writer_t *self, const char *prop);
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void jsonw_lluint_field(json_writer_t *self, const char *prop,
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unsigned long long int num);
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--- a/ip/ipaddress.c
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+++ b/ip/ipaddress.c
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@@ -555,21 +555,21 @@ static void print_vf_stats64(FILE *fp, s
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/* RX stats */
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open_json_object("rx");
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- print_uint(PRINT_JSON, "bytes", NULL,
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+ print_u64(PRINT_JSON, "bytes", NULL,
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rta_getattr_u64(vf[IFLA_VF_STATS_RX_BYTES]));
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- print_uint(PRINT_JSON, "packets", NULL,
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+ print_u64(PRINT_JSON, "packets", NULL,
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rta_getattr_u64(vf[IFLA_VF_STATS_RX_PACKETS]));
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- print_uint(PRINT_JSON, "multicast", NULL,
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+ print_u64(PRINT_JSON, "multicast", NULL,
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rta_getattr_u64(vf[IFLA_VF_STATS_MULTICAST]));
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- print_uint(PRINT_JSON, "broadcast", NULL,
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+ print_u64(PRINT_JSON, "broadcast", NULL,
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rta_getattr_u64(vf[IFLA_VF_STATS_BROADCAST]));
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close_json_object();
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/* TX stats */
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open_json_object("tx");
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- print_uint(PRINT_JSON, "tx_bytes", NULL,
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+ print_u64(PRINT_JSON, "tx_bytes", NULL,
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rta_getattr_u64(vf[IFLA_VF_STATS_TX_BYTES]));
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- print_uint(PRINT_JSON, "tx_packets", NULL,
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+ print_u64(PRINT_JSON, "tx_packets", NULL,
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rta_getattr_u64(vf[IFLA_VF_STATS_TX_PACKETS]));
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close_json_object();
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close_json_object();
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@@ -602,50 +602,50 @@ static void print_link_stats64(FILE *fp,
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/* RX stats */
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open_json_object("rx");
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- print_uint(PRINT_JSON, "bytes", NULL, s->rx_bytes);
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- print_uint(PRINT_JSON, "packets", NULL, s->rx_packets);
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- print_uint(PRINT_JSON, "errors", NULL, s->rx_errors);
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- print_uint(PRINT_JSON, "dropped", NULL, s->rx_dropped);
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- print_uint(PRINT_JSON, "over_errors", NULL, s->rx_over_errors);
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- print_uint(PRINT_JSON, "multicast", NULL, s->multicast);
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+ print_u64(PRINT_JSON, "bytes", NULL, s->rx_bytes);
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+ print_u64(PRINT_JSON, "packets", NULL, s->rx_packets);
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+ print_u64(PRINT_JSON, "errors", NULL, s->rx_errors);
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+ print_u64(PRINT_JSON, "dropped", NULL, s->rx_dropped);
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+ print_u64(PRINT_JSON, "over_errors", NULL, s->rx_over_errors);
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+ print_u64(PRINT_JSON, "multicast", NULL, s->multicast);
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if (s->rx_compressed)
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- print_uint(PRINT_JSON,
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+ print_u64(PRINT_JSON,
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"compressed",
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NULL, s->rx_compressed);
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/* RX error stats */
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if (show_stats > 1) {
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- print_uint(PRINT_JSON,
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+ print_u64(PRINT_JSON,
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"length_errors",
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NULL, s->rx_length_errors);
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- print_uint(PRINT_JSON,
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+ print_u64(PRINT_JSON,
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"crc_errors",
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NULL, s->rx_crc_errors);
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- print_uint(PRINT_JSON,
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+ print_u64(PRINT_JSON,
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"frame_errors",
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NULL, s->rx_frame_errors);
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- print_uint(PRINT_JSON,
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+ print_u64(PRINT_JSON,
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"fifo_errors",
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NULL, s->rx_fifo_errors);
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- print_uint(PRINT_JSON,
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+ print_u64(PRINT_JSON,
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"missed_errors",
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NULL, s->rx_missed_errors);
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if (s->rx_nohandler)
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- print_uint(PRINT_JSON,
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+ print_u64(PRINT_JSON,
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"nohandler", NULL, s->rx_nohandler);
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}
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close_json_object();
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/* TX stats */
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open_json_object("tx");
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- print_uint(PRINT_JSON, "bytes", NULL, s->tx_bytes);
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- print_uint(PRINT_JSON, "packets", NULL, s->tx_packets);
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- print_uint(PRINT_JSON, "errors", NULL, s->tx_errors);
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- print_uint(PRINT_JSON, "dropped", NULL, s->tx_dropped);
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- print_uint(PRINT_JSON,
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+ print_u64(PRINT_JSON, "bytes", NULL, s->tx_bytes);
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+ print_u64(PRINT_JSON, "packets", NULL, s->tx_packets);
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+ print_u64(PRINT_JSON, "errors", NULL, s->tx_errors);
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+ print_u64(PRINT_JSON, "dropped", NULL, s->tx_dropped);
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+ print_u64(PRINT_JSON,
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"carrier_errors",
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NULL, s->tx_carrier_errors);
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- print_uint(PRINT_JSON, "collisions", NULL, s->collisions);
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+ print_u64(PRINT_JSON, "collisions", NULL, s->collisions);
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if (s->tx_compressed)
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print_uint(PRINT_JSON,
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"compressed",
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@@ -653,20 +653,20 @@ static void print_link_stats64(FILE *fp,
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/* TX error stats */
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if (show_stats > 1) {
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- print_uint(PRINT_JSON,
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+ print_u64(PRINT_JSON,
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"aborted_errors",
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NULL, s->tx_aborted_errors);
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- print_uint(PRINT_JSON,
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+ print_u64(PRINT_JSON,
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"fifo_errors",
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NULL, s->tx_fifo_errors);
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- print_uint(PRINT_JSON,
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+ print_u64(PRINT_JSON,
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"window_errors",
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NULL, s->tx_window_errors);
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- print_uint(PRINT_JSON,
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+ print_u64(PRINT_JSON,
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"heartbeat_errors",
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NULL, s->tx_heartbeat_errors);
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if (carrier_changes)
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- print_uint(PRINT_JSON, "carrier_changes", NULL,
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+ print_u64(PRINT_JSON, "carrier_changes", NULL,
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rta_getattr_u32(carrier_changes));
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}
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close_json_object();
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--- a/lib/json_print.c
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+++ b/lib/json_print.c
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@@ -117,8 +117,10 @@ void close_json_array(enum output_type t
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} \
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}
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_PRINT_FUNC(int, int);
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+_PRINT_FUNC(s64, int64_t);
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_PRINT_FUNC(hu, unsigned short);
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-_PRINT_FUNC(uint, uint64_t);
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+_PRINT_FUNC(uint, unsigned int);
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+_PRINT_FUNC(u64, uint64_t);
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_PRINT_FUNC(lluint, unsigned long long int);
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_PRINT_FUNC(float, double);
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#undef _PRINT_FUNC
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--- a/lib/json_writer.c
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+++ b/lib/json_writer.c
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@@ -215,7 +215,12 @@ void jsonw_hu(json_writer_t *self, unsig
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jsonw_printf(self, "%hu", num);
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}
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-void jsonw_uint(json_writer_t *self, uint64_t num)
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+void jsonw_uint(json_writer_t *self, unsigned int num)
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+{
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+ jsonw_printf(self, "%u", num);
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+}
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+
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+void jsonw_u64(json_writer_t *self, uint64_t num)
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{
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jsonw_printf(self, "%"PRIu64, num);
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}
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@@ -225,7 +230,12 @@ void jsonw_lluint(json_writer_t *self, u
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jsonw_printf(self, "%llu", num);
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}
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-void jsonw_int(json_writer_t *self, int64_t num)
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+void jsonw_int(json_writer_t *self, int num)
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+{
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+ jsonw_printf(self, "%d", num);
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+}
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+
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+void jsonw_s64(json_writer_t *self, int64_t num)
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{
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jsonw_printf(self, "%"PRId64, num);
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}
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@@ -258,12 +268,18 @@ void jsonw_float_field_fmt(json_writer_t
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jsonw_float_fmt(self, fmt, val);
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}
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-void jsonw_uint_field(json_writer_t *self, const char *prop, uint64_t num)
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+void jsonw_uint_field(json_writer_t *self, const char *prop, unsigned int num)
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{
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jsonw_name(self, prop);
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jsonw_uint(self, num);
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}
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+void jsonw_u64_field(json_writer_t *self, const char *prop, uint64_t num)
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+{
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+ jsonw_name(self, prop);
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+ jsonw_u64(self, num);
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+}
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+
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void jsonw_hu_field(json_writer_t *self, const char *prop, unsigned short num)
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{
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jsonw_name(self, prop);
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@@ -278,12 +294,18 @@ void jsonw_lluint_field(json_writer_t *s
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jsonw_lluint(self, num);
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}
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-void jsonw_int_field(json_writer_t *self, const char *prop, int64_t num)
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+void jsonw_int_field(json_writer_t *self, const char *prop, int num)
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{
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jsonw_name(self, prop);
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jsonw_int(self, num);
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}
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+void jsonw_s64_field(json_writer_t *self, const char *prop, int64_t num)
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+{
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+ jsonw_name(self, prop);
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+ jsonw_s64(self, num);
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+}
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+
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void jsonw_null_field(json_writer_t *self, const char *prop)
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{
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jsonw_name(self, prop);
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