unix/linux: update to Linux kernel 6.3 and Go 1.20.5

Change-Id: I347341ae0e45e73477e9a310a3749d37bafa8da7
Reviewed-on: https://go-review.googlesource.com/c/sys/+/503255
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Auto-Submit: Tobias Klauser <tobias.klauser@gmail.com>
Reviewed-by: Bryan Mills <bcmills@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
diff --git a/unix/linux/Dockerfile b/unix/linux/Dockerfile
index 6ae6e46..a779033 100644
--- a/unix/linux/Dockerfile
+++ b/unix/linux/Dockerfile
@@ -15,15 +15,15 @@
 # Get the git sources. If not cached, this takes O(5 minutes).
 WORKDIR /git
 RUN git config --global advice.detachedHead false
-# Linux Kernel: Released 19 Feb 2023
-RUN git clone --branch v6.2 --depth 1 https://kernel.googlesource.com/pub/scm/linux/kernel/git/torvalds/linux
+# Linux Kernel: Released 23 Apr 2023
+RUN git clone --branch v6.3 --depth 1 https://kernel.googlesource.com/pub/scm/linux/kernel/git/torvalds/linux
 # GNU C library: Released 1 Feb 2022
 RUN git clone --branch release/2.37/master --depth 1 https://sourceware.org/git/glibc.git
 
 # Get Go
-ENV GOLANG_VERSION 1.20.1
+ENV GOLANG_VERSION 1.20.5
 ENV GOLANG_DOWNLOAD_URL https://golang.org/dl/go$GOLANG_VERSION.linux-amd64.tar.gz
-ENV GOLANG_DOWNLOAD_SHA256 000a5b1fca4f75895f78befeb2eecf10bfff3c428597f3f1e69133b63b911b02
+ENV GOLANG_DOWNLOAD_SHA256 d7ec48cde0d3d2be2c69203bc3e0a44de8660b9c09a6e85c4732a3f7dc442612
 
 RUN curl -fsSL "$GOLANG_DOWNLOAD_URL" -o golang.tar.gz \
     && echo "$GOLANG_DOWNLOAD_SHA256  golang.tar.gz" | sha256sum -c - \
diff --git a/unix/zerrors_linux.go b/unix/zerrors_linux.go
index de936b6..bd4a0fc 100644
--- a/unix/zerrors_linux.go
+++ b/unix/zerrors_linux.go
@@ -493,6 +493,7 @@
 	BPF_F_TEST_RUN_ON_CPU                       = 0x1
 	BPF_F_TEST_STATE_FREQ                       = 0x8
 	BPF_F_TEST_XDP_LIVE_FRAMES                  = 0x2
+	BPF_F_XDP_DEV_BOUND_ONLY                    = 0x40
 	BPF_F_XDP_HAS_FRAGS                         = 0x20
 	BPF_H                                       = 0x8
 	BPF_IMM                                     = 0x0
@@ -1197,6 +1198,7 @@
 	FAN_EVENT_METADATA_LEN                      = 0x18
 	FAN_EVENT_ON_CHILD                          = 0x8000000
 	FAN_FS_ERROR                                = 0x8000
+	FAN_INFO                                    = 0x20
 	FAN_MARK_ADD                                = 0x1
 	FAN_MARK_DONT_FOLLOW                        = 0x4
 	FAN_MARK_EVICTABLE                          = 0x200
@@ -1233,6 +1235,8 @@
 	FAN_REPORT_PIDFD                            = 0x80
 	FAN_REPORT_TARGET_FID                       = 0x1000
 	FAN_REPORT_TID                              = 0x100
+	FAN_RESPONSE_INFO_AUDIT_RULE                = 0x1
+	FAN_RESPONSE_INFO_NONE                      = 0x0
 	FAN_UNLIMITED_MARKS                         = 0x20
 	FAN_UNLIMITED_QUEUE                         = 0x10
 	FD_CLOEXEC                                  = 0x1
@@ -1860,6 +1864,7 @@
 	MEMWRITEOOB64                               = 0xc0184d15
 	MFD_ALLOW_SEALING                           = 0x2
 	MFD_CLOEXEC                                 = 0x1
+	MFD_EXEC                                    = 0x10
 	MFD_HUGETLB                                 = 0x4
 	MFD_HUGE_16GB                               = 0x88000000
 	MFD_HUGE_16MB                               = 0x60000000
@@ -1875,6 +1880,7 @@
 	MFD_HUGE_8MB                                = 0x5c000000
 	MFD_HUGE_MASK                               = 0x3f
 	MFD_HUGE_SHIFT                              = 0x1a
+	MFD_NOEXEC_SEAL                             = 0x8
 	MINIX2_SUPER_MAGIC                          = 0x2468
 	MINIX2_SUPER_MAGIC2                         = 0x2478
 	MINIX3_SUPER_MAGIC                          = 0x4d5a
@@ -2221,6 +2227,7 @@
 	PERF_ATTR_SIZE_VER5                         = 0x70
 	PERF_ATTR_SIZE_VER6                         = 0x78
 	PERF_ATTR_SIZE_VER7                         = 0x80
+	PERF_ATTR_SIZE_VER8                         = 0x88
 	PERF_AUX_FLAG_COLLISION                     = 0x8
 	PERF_AUX_FLAG_CORESIGHT_FORMAT_CORESIGHT    = 0x0
 	PERF_AUX_FLAG_CORESIGHT_FORMAT_RAW          = 0x100
@@ -2369,6 +2376,7 @@
 	PR_GET_FP_MODE                              = 0x2e
 	PR_GET_IO_FLUSHER                           = 0x3a
 	PR_GET_KEEPCAPS                             = 0x7
+	PR_GET_MDWE                                 = 0x42
 	PR_GET_NAME                                 = 0x10
 	PR_GET_NO_NEW_PRIVS                         = 0x27
 	PR_GET_PDEATHSIG                            = 0x2
@@ -2389,6 +2397,7 @@
 	PR_MCE_KILL_GET                             = 0x22
 	PR_MCE_KILL_LATE                            = 0x0
 	PR_MCE_KILL_SET                             = 0x1
+	PR_MDWE_REFUSE_EXEC_GAIN                    = 0x1
 	PR_MPX_DISABLE_MANAGEMENT                   = 0x2c
 	PR_MPX_ENABLE_MANAGEMENT                    = 0x2b
 	PR_MTE_TAG_MASK                             = 0x7fff8
@@ -2423,6 +2432,7 @@
 	PR_SET_FP_MODE                              = 0x2d
 	PR_SET_IO_FLUSHER                           = 0x39
 	PR_SET_KEEPCAPS                             = 0x8
+	PR_SET_MDWE                                 = 0x41
 	PR_SET_MM                                   = 0x23
 	PR_SET_MM_ARG_END                           = 0x9
 	PR_SET_MM_ARG_START                         = 0x8
@@ -3238,6 +3248,7 @@
 	TP_STATUS_COPY                              = 0x2
 	TP_STATUS_CSUMNOTREADY                      = 0x8
 	TP_STATUS_CSUM_VALID                        = 0x80
+	TP_STATUS_GSO_TCP                           = 0x100
 	TP_STATUS_KERNEL                            = 0x0
 	TP_STATUS_LOSING                            = 0x4
 	TP_STATUS_SENDING                           = 0x2
diff --git a/unix/zerrors_linux_arm64.go b/unix/zerrors_linux_arm64.go
index 9d5352c..12a9a13 100644
--- a/unix/zerrors_linux_arm64.go
+++ b/unix/zerrors_linux_arm64.go
@@ -443,6 +443,7 @@
 	TIOCSWINSZ                       = 0x5414
 	TIOCVHANGUP                      = 0x5437
 	TOSTOP                           = 0x100
+	TPIDR2_MAGIC                     = 0x54504902
 	TUNATTACHFILTER                  = 0x401054d5
 	TUNDETACHFILTER                  = 0x401054d6
 	TUNGETDEVNETNS                   = 0x54e3
@@ -515,6 +516,7 @@
 	XCASE                            = 0x4
 	XTABS                            = 0x1800
 	ZA_MAGIC                         = 0x54366345
+	ZT_MAGIC                         = 0x5a544e01
 	_HIDIOCGRAWNAME                  = 0x80804804
 	_HIDIOCGRAWPHYS                  = 0x80404805
 	_HIDIOCGRAWUNIQ                  = 0x80404808
diff --git a/unix/ztypes_linux.go b/unix/ztypes_linux.go
index 00c3b8c..56cd76a 100644
--- a/unix/ztypes_linux.go
+++ b/unix/ztypes_linux.go
@@ -1968,7 +1968,7 @@
 	NFT_MSG_GETFLOWTABLE              = 0x17
 	NFT_MSG_DELFLOWTABLE              = 0x18
 	NFT_MSG_GETRULE_RESET             = 0x19
-	NFT_MSG_MAX                       = 0x1a
+	NFT_MSG_MAX                       = 0x21
 	NFTA_LIST_UNSPEC                  = 0x0
 	NFTA_LIST_ELEM                    = 0x1
 	NFTA_HOOK_UNSPEC                  = 0x0
@@ -3651,7 +3651,7 @@
 	ETHTOOL_MSG_PSE_GET                       = 0x24
 	ETHTOOL_MSG_PSE_SET                       = 0x25
 	ETHTOOL_MSG_RSS_GET                       = 0x26
-	ETHTOOL_MSG_USER_MAX                      = 0x26
+	ETHTOOL_MSG_USER_MAX                      = 0x2b
 	ETHTOOL_MSG_KERNEL_NONE                   = 0x0
 	ETHTOOL_MSG_STRSET_GET_REPLY              = 0x1
 	ETHTOOL_MSG_LINKINFO_GET_REPLY            = 0x2
@@ -3691,7 +3691,7 @@
 	ETHTOOL_MSG_MODULE_NTF                    = 0x24
 	ETHTOOL_MSG_PSE_GET_REPLY                 = 0x25
 	ETHTOOL_MSG_RSS_GET_REPLY                 = 0x26
-	ETHTOOL_MSG_KERNEL_MAX                    = 0x26
+	ETHTOOL_MSG_KERNEL_MAX                    = 0x2b
 	ETHTOOL_A_HEADER_UNSPEC                   = 0x0
 	ETHTOOL_A_HEADER_DEV_INDEX                = 0x1
 	ETHTOOL_A_HEADER_DEV_NAME                 = 0x2
@@ -3795,7 +3795,7 @@
 	ETHTOOL_A_RINGS_TCP_DATA_SPLIT            = 0xb
 	ETHTOOL_A_RINGS_CQE_SIZE                  = 0xc
 	ETHTOOL_A_RINGS_TX_PUSH                   = 0xd
-	ETHTOOL_A_RINGS_MAX                       = 0xd
+	ETHTOOL_A_RINGS_MAX                       = 0xe
 	ETHTOOL_A_CHANNELS_UNSPEC                 = 0x0
 	ETHTOOL_A_CHANNELS_HEADER                 = 0x1
 	ETHTOOL_A_CHANNELS_RX_MAX                 = 0x2
@@ -3833,14 +3833,14 @@
 	ETHTOOL_A_COALESCE_RATE_SAMPLE_INTERVAL   = 0x17
 	ETHTOOL_A_COALESCE_USE_CQE_MODE_TX        = 0x18
 	ETHTOOL_A_COALESCE_USE_CQE_MODE_RX        = 0x19
-	ETHTOOL_A_COALESCE_MAX                    = 0x19
+	ETHTOOL_A_COALESCE_MAX                    = 0x1c
 	ETHTOOL_A_PAUSE_UNSPEC                    = 0x0
 	ETHTOOL_A_PAUSE_HEADER                    = 0x1
 	ETHTOOL_A_PAUSE_AUTONEG                   = 0x2
 	ETHTOOL_A_PAUSE_RX                        = 0x3
 	ETHTOOL_A_PAUSE_TX                        = 0x4
 	ETHTOOL_A_PAUSE_STATS                     = 0x5
-	ETHTOOL_A_PAUSE_MAX                       = 0x5
+	ETHTOOL_A_PAUSE_MAX                       = 0x6
 	ETHTOOL_A_PAUSE_STAT_UNSPEC               = 0x0
 	ETHTOOL_A_PAUSE_STAT_PAD                  = 0x1
 	ETHTOOL_A_PAUSE_STAT_TX_FRAMES            = 0x2
@@ -4490,7 +4490,7 @@
 	NL80211_ATTR_MAC_HINT                                   = 0xc8
 	NL80211_ATTR_MAC_MASK                                   = 0xd7
 	NL80211_ATTR_MAX_AP_ASSOC_STA                           = 0xca
-	NL80211_ATTR_MAX                                        = 0x141
+	NL80211_ATTR_MAX                                        = 0x142
 	NL80211_ATTR_MAX_CRIT_PROT_DURATION                     = 0xb4
 	NL80211_ATTR_MAX_CSA_COUNTERS                           = 0xce
 	NL80211_ATTR_MAX_MATCH_SETS                             = 0x85