diff --git a/unix/linux/Dockerfile b/unix/linux/Dockerfile
index 39c32b5..17981d4 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 14 Feb 2021
-RUN git clone --branch v5.11 --depth 1 https://kernel.googlesource.com/pub/scm/linux/kernel/git/torvalds/linux
+# Linux Kernel: Released 25 Apr 2021
+RUN git clone --branch v5.12 --depth 1 https://kernel.googlesource.com/pub/scm/linux/kernel/git/torvalds/linux
 # GNU C library: Released 01 Feb 2021 (we should try to get a secure way to clone this)
 RUN git clone --branch release/2.33/master --depth 1 git://sourceware.org/git/glibc.git
 
 # Get Go
-ENV GOLANG_VERSION 1.16.2
+ENV GOLANG_VERSION 1.16.3
 ENV GOLANG_DOWNLOAD_URL https://golang.org/dl/go$GOLANG_VERSION.linux-amd64.tar.gz
-ENV GOLANG_DOWNLOAD_SHA256 542e936b19542e62679766194364f45141fde55169db2d8d01046555ca9eb4b8
+ENV GOLANG_DOWNLOAD_SHA256 951a3c7c6ce4e56ad883f97d9db74d3d6d80d5fec77455c6ada6c1f7ac4776d2
 
 RUN curl -fsSL "$GOLANG_DOWNLOAD_URL" -o golang.tar.gz \
     && echo "$GOLANG_DOWNLOAD_SHA256  golang.tar.gz" | sha256sum -c - \
diff --git a/unix/linux/types.go b/unix/linux/types.go
index 301c1be..ebc7aec 100644
--- a/unix/linux/types.go
+++ b/unix/linux/types.go
@@ -1063,6 +1063,9 @@
 	PERF_SAMPLE_PHYS_ADDR                 = C.PERF_SAMPLE_PHYS_ADDR
 	PERF_SAMPLE_AUX                       = C.PERF_SAMPLE_AUX
 	PERF_SAMPLE_CGROUP                    = C.PERF_SAMPLE_CGROUP
+	PERF_SAMPLE_DATA_PAGE_SIZE            = C.PERF_SAMPLE_DATA_PAGE_SIZE
+	PERF_SAMPLE_CODE_PAGE_SIZE            = C.PERF_SAMPLE_CODE_PAGE_SIZE
+	PERF_SAMPLE_WEIGHT_STRUCT             = C.PERF_SAMPLE_WEIGHT_STRUCT
 	PERF_SAMPLE_MAX                       = C.PERF_SAMPLE_MAX
 	PERF_SAMPLE_BRANCH_USER_SHIFT         = C.PERF_SAMPLE_BRANCH_USER_SHIFT
 	PERF_SAMPLE_BRANCH_KERNEL_SHIFT       = C.PERF_SAMPLE_BRANCH_KERNEL_SHIFT
@@ -3085,6 +3088,7 @@
 	DEVLINK_ATTR_REMOTE_RELOAD_STATS                   = C.DEVLINK_ATTR_REMOTE_RELOAD_STATS
 	DEVLINK_ATTR_RELOAD_ACTION_INFO                    = C.DEVLINK_ATTR_RELOAD_ACTION_INFO
 	DEVLINK_ATTR_RELOAD_ACTION_STATS                   = C.DEVLINK_ATTR_RELOAD_ACTION_STATS
+	DEVLINK_ATTR_PORT_PCI_SF_NUMBER                    = C.DEVLINK_ATTR_PORT_PCI_SF_NUMBER
 	DEVLINK_ATTR_MAX                                   = C.DEVLINK_ATTR_MAX
 	DEVLINK_DPIPE_FIELD_MAPPING_TYPE_NONE              = C.DEVLINK_DPIPE_FIELD_MAPPING_TYPE_NONE
 	DEVLINK_DPIPE_FIELD_MAPPING_TYPE_IFINDEX           = C.DEVLINK_DPIPE_FIELD_MAPPING_TYPE_IFINDEX
@@ -3099,6 +3103,8 @@
 	DEVLINK_RESOURCE_UNIT_ENTRY                        = C.DEVLINK_RESOURCE_UNIT_ENTRY
 	DEVLINK_PORT_FUNCTION_ATTR_UNSPEC                  = C.DEVLINK_PORT_FUNCTION_ATTR_UNSPEC
 	DEVLINK_PORT_FUNCTION_ATTR_HW_ADDR                 = C.DEVLINK_PORT_FUNCTION_ATTR_HW_ADDR
+	DEVLINK_PORT_FN_ATTR_STATE                         = C.DEVLINK_PORT_FN_ATTR_STATE
+	DEVLINK_PORT_FN_ATTR_OPSTATE                       = C.DEVLINK_PORT_FN_ATTR_OPSTATE
 	DEVLINK_PORT_FUNCTION_ATTR_MAX                     = C.DEVLINK_PORT_FUNCTION_ATTR_MAX
 )
 
@@ -3456,6 +3462,7 @@
 	ETHTOOL_A_LINKMODES_DUPLEX                = C.ETHTOOL_A_LINKMODES_DUPLEX
 	ETHTOOL_A_LINKMODES_MASTER_SLAVE_CFG      = C.ETHTOOL_A_LINKMODES_MASTER_SLAVE_CFG
 	ETHTOOL_A_LINKMODES_MASTER_SLAVE_STATE    = C.ETHTOOL_A_LINKMODES_MASTER_SLAVE_STATE
+	ETHTOOL_A_LINKMODES_LANES                 = C.ETHTOOL_A_LINKMODES_LANES
 	ETHTOOL_A_LINKMODES_MAX                   = C.ETHTOOL_A_LINKMODES_MAX
 	ETHTOOL_A_LINKSTATE_UNSPEC                = C.ETHTOOL_A_LINKSTATE_UNSPEC
 	ETHTOOL_A_LINKSTATE_HEADER                = C.ETHTOOL_A_LINKSTATE_HEADER
diff --git a/unix/zerrors_linux.go b/unix/zerrors_linux.go
index 35de419..47572aa 100644
--- a/unix/zerrors_linux.go
+++ b/unix/zerrors_linux.go
@@ -166,13 +166,16 @@
 	BPF_ALU64                                   = 0x7
 	BPF_AND                                     = 0x50
 	BPF_ARSH                                    = 0xc0
+	BPF_ATOMIC                                  = 0xc0
 	BPF_B                                       = 0x10
 	BPF_BUILD_ID_SIZE                           = 0x14
 	BPF_CALL                                    = 0x80
+	BPF_CMPXCHG                                 = 0xf1
 	BPF_DIV                                     = 0x30
 	BPF_DW                                      = 0x18
 	BPF_END                                     = 0xd0
 	BPF_EXIT                                    = 0x90
+	BPF_FETCH                                   = 0x1
 	BPF_FROM_BE                                 = 0x8
 	BPF_FROM_LE                                 = 0x0
 	BPF_FS_MAGIC                                = 0xcafe4a11
@@ -240,6 +243,7 @@
 	BPF_W                                       = 0x0
 	BPF_X                                       = 0x8
 	BPF_XADD                                    = 0xc0
+	BPF_XCHG                                    = 0xe1
 	BPF_XOR                                     = 0xa0
 	BRKINT                                      = 0x2
 	BS0                                         = 0x0
@@ -490,9 +494,9 @@
 	DM_UUID_FLAG                                = 0x4000
 	DM_UUID_LEN                                 = 0x81
 	DM_VERSION                                  = 0xc138fd00
-	DM_VERSION_EXTRA                            = "-ioctl (2020-10-01)"
+	DM_VERSION_EXTRA                            = "-ioctl (2021-02-01)"
 	DM_VERSION_MAJOR                            = 0x4
-	DM_VERSION_MINOR                            = 0x2b
+	DM_VERSION_MINOR                            = 0x2c
 	DM_VERSION_PATCHLEVEL                       = 0x0
 	DT_BLK                                      = 0x6
 	DT_CHR                                      = 0x2
@@ -860,6 +864,7 @@
 	FS_IOC_GET_ENCRYPTION_KEY_STATUS            = 0xc080661a
 	FS_IOC_GET_ENCRYPTION_POLICY_EX             = 0xc0096616
 	FS_IOC_MEASURE_VERITY                       = 0xc0046686
+	FS_IOC_READ_VERITY_METADATA                 = 0xc0286687
 	FS_IOC_REMOVE_ENCRYPTION_KEY                = 0xc0406618
 	FS_IOC_REMOVE_ENCRYPTION_KEY_ALL_USERS      = 0xc0406619
 	FS_KEY_DESCRIPTOR_SIZE                      = 0x8
@@ -875,6 +880,9 @@
 	FS_VERITY_FL                                = 0x100000
 	FS_VERITY_HASH_ALG_SHA256                   = 0x1
 	FS_VERITY_HASH_ALG_SHA512                   = 0x2
+	FS_VERITY_METADATA_TYPE_DESCRIPTOR          = 0x2
+	FS_VERITY_METADATA_TYPE_MERKLE_TREE         = 0x1
+	FS_VERITY_METADATA_TYPE_SIGNATURE           = 0x3
 	FUTEXFS_SUPER_MAGIC                         = 0xbad1dea
 	F_ADD_SEALS                                 = 0x409
 	F_DUPFD                                     = 0x0
@@ -1673,6 +1681,10 @@
 	PERF_FLAG_PID_CGROUP                        = 0x4
 	PERF_MAX_CONTEXTS_PER_STACK                 = 0x8
 	PERF_MAX_STACK_DEPTH                        = 0x7f
+	PERF_MEM_BLK_ADDR                           = 0x4
+	PERF_MEM_BLK_DATA                           = 0x2
+	PERF_MEM_BLK_NA                             = 0x1
+	PERF_MEM_BLK_SHIFT                          = 0x28
 	PERF_MEM_LOCK_LOCKED                        = 0x2
 	PERF_MEM_LOCK_NA                            = 0x1
 	PERF_MEM_LOCK_SHIFT                         = 0x18
@@ -1736,12 +1748,14 @@
 	PERF_RECORD_MISC_GUEST_USER                 = 0x5
 	PERF_RECORD_MISC_HYPERVISOR                 = 0x3
 	PERF_RECORD_MISC_KERNEL                     = 0x1
+	PERF_RECORD_MISC_MMAP_BUILD_ID              = 0x4000
 	PERF_RECORD_MISC_MMAP_DATA                  = 0x2000
 	PERF_RECORD_MISC_PROC_MAP_PARSE_TIMEOUT     = 0x1000
 	PERF_RECORD_MISC_SWITCH_OUT                 = 0x2000
 	PERF_RECORD_MISC_SWITCH_OUT_PREEMPT         = 0x4000
 	PERF_RECORD_MISC_USER                       = 0x2
 	PERF_SAMPLE_BRANCH_PLM_ALL                  = 0x7
+	PERF_SAMPLE_WEIGHT_TYPE                     = 0x1004000
 	PIPEFS_MAGIC                                = 0x50495045
 	PPC_CMM_MAGIC                               = 0xc7571590
 	PPPIOCGNPMODE                               = 0xc008744c
@@ -1995,6 +2009,10 @@
 	RTCF_NAT                                    = 0x800000
 	RTCF_VALVE                                  = 0x200000
 	RTC_AF                                      = 0x20
+	RTC_FEATURE_ALARM                           = 0x0
+	RTC_FEATURE_ALARM_RES_MINUTE                = 0x1
+	RTC_FEATURE_CNT                             = 0x3
+	RTC_FEATURE_NEED_WEEK_DAY                   = 0x2
 	RTC_IRQF                                    = 0x80
 	RTC_MAX_FREQ                                = 0x2000
 	RTC_PF                                      = 0x40
@@ -2068,6 +2086,7 @@
 	RTM_F_LOOKUP_TABLE                          = 0x1000
 	RTM_F_NOTIFY                                = 0x100
 	RTM_F_OFFLOAD                               = 0x4000
+	RTM_F_OFFLOAD_FAILED                        = 0x20000000
 	RTM_F_PREFIX                                = 0x800
 	RTM_F_TRAP                                  = 0x8000
 	RTM_GETACTION                               = 0x32
diff --git a/unix/zerrors_linux_s390x.go b/unix/zerrors_linux_s390x.go
index a508392..6d30e6f 100644
--- a/unix/zerrors_linux_s390x.go
+++ b/unix/zerrors_linux_s390x.go
@@ -212,6 +212,8 @@
 	PTRACE_POKE_SYSTEM_CALL          = 0x5008
 	PTRACE_PROT                      = 0x15
 	PTRACE_SINGLEBLOCK               = 0xc
+	PTRACE_SYSEMU                    = 0x1f
+	PTRACE_SYSEMU_SINGLESTEP         = 0x20
 	PTRACE_TE_ABORT_RAND             = 0x5011
 	PT_ACR0                          = 0x90
 	PT_ACR1                          = 0x94
diff --git a/unix/zsysnum_linux_386.go b/unix/zsysnum_linux_386.go
index 8e53597..fbc59b7 100644
--- a/unix/zsysnum_linux_386.go
+++ b/unix/zsysnum_linux_386.go
@@ -438,4 +438,5 @@
 	SYS_FACCESSAT2                   = 439
 	SYS_PROCESS_MADVISE              = 440
 	SYS_EPOLL_PWAIT2                 = 441
+	SYS_MOUNT_SETATTR                = 442
 )
diff --git a/unix/zsysnum_linux_amd64.go b/unix/zsysnum_linux_amd64.go
index d7dceb7..04d16d7 100644
--- a/unix/zsysnum_linux_amd64.go
+++ b/unix/zsysnum_linux_amd64.go
@@ -360,4 +360,5 @@
 	SYS_FACCESSAT2             = 439
 	SYS_PROCESS_MADVISE        = 440
 	SYS_EPOLL_PWAIT2           = 441
+	SYS_MOUNT_SETATTR          = 442
 )
diff --git a/unix/zsysnum_linux_arm.go b/unix/zsysnum_linux_arm.go
index 04093a6..3b1c105 100644
--- a/unix/zsysnum_linux_arm.go
+++ b/unix/zsysnum_linux_arm.go
@@ -402,4 +402,5 @@
 	SYS_FACCESSAT2                   = 439
 	SYS_PROCESS_MADVISE              = 440
 	SYS_EPOLL_PWAIT2                 = 441
+	SYS_MOUNT_SETATTR                = 442
 )
diff --git a/unix/zsysnum_linux_arm64.go b/unix/zsysnum_linux_arm64.go
index 48f94f1..3198adc 100644
--- a/unix/zsysnum_linux_arm64.go
+++ b/unix/zsysnum_linux_arm64.go
@@ -305,4 +305,5 @@
 	SYS_FACCESSAT2             = 439
 	SYS_PROCESS_MADVISE        = 440
 	SYS_EPOLL_PWAIT2           = 441
+	SYS_MOUNT_SETATTR          = 442
 )
diff --git a/unix/zsysnum_linux_mips.go b/unix/zsysnum_linux_mips.go
index 499978c..c877ec6 100644
--- a/unix/zsysnum_linux_mips.go
+++ b/unix/zsysnum_linux_mips.go
@@ -423,4 +423,5 @@
 	SYS_FACCESSAT2                   = 4439
 	SYS_PROCESS_MADVISE              = 4440
 	SYS_EPOLL_PWAIT2                 = 4441
+	SYS_MOUNT_SETATTR                = 4442
 )
diff --git a/unix/zsysnum_linux_mips64.go b/unix/zsysnum_linux_mips64.go
index 10d1db2..b5f2903 100644
--- a/unix/zsysnum_linux_mips64.go
+++ b/unix/zsysnum_linux_mips64.go
@@ -353,4 +353,5 @@
 	SYS_FACCESSAT2             = 5439
 	SYS_PROCESS_MADVISE        = 5440
 	SYS_EPOLL_PWAIT2           = 5441
+	SYS_MOUNT_SETATTR          = 5442
 )
diff --git a/unix/zsysnum_linux_mips64le.go b/unix/zsysnum_linux_mips64le.go
index 208d5dc..4607768 100644
--- a/unix/zsysnum_linux_mips64le.go
+++ b/unix/zsysnum_linux_mips64le.go
@@ -353,4 +353,5 @@
 	SYS_FACCESSAT2             = 5439
 	SYS_PROCESS_MADVISE        = 5440
 	SYS_EPOLL_PWAIT2           = 5441
+	SYS_MOUNT_SETATTR          = 5442
 )
diff --git a/unix/zsysnum_linux_mipsle.go b/unix/zsysnum_linux_mipsle.go
index f825060..80e6696 100644
--- a/unix/zsysnum_linux_mipsle.go
+++ b/unix/zsysnum_linux_mipsle.go
@@ -423,4 +423,5 @@
 	SYS_FACCESSAT2                   = 4439
 	SYS_PROCESS_MADVISE              = 4440
 	SYS_EPOLL_PWAIT2                 = 4441
+	SYS_MOUNT_SETATTR                = 4442
 )
diff --git a/unix/zsysnum_linux_ppc.go b/unix/zsysnum_linux_ppc.go
index 7693656..b9d697f 100644
--- a/unix/zsysnum_linux_ppc.go
+++ b/unix/zsysnum_linux_ppc.go
@@ -430,4 +430,5 @@
 	SYS_FACCESSAT2                   = 439
 	SYS_PROCESS_MADVISE              = 440
 	SYS_EPOLL_PWAIT2                 = 441
+	SYS_MOUNT_SETATTR                = 442
 )
diff --git a/unix/zsysnum_linux_ppc64.go b/unix/zsysnum_linux_ppc64.go
index d5ed3ff..08edc54 100644
--- a/unix/zsysnum_linux_ppc64.go
+++ b/unix/zsysnum_linux_ppc64.go
@@ -402,4 +402,5 @@
 	SYS_FACCESSAT2             = 439
 	SYS_PROCESS_MADVISE        = 440
 	SYS_EPOLL_PWAIT2           = 441
+	SYS_MOUNT_SETATTR          = 442
 )
diff --git a/unix/zsysnum_linux_ppc64le.go b/unix/zsysnum_linux_ppc64le.go
index e29b442..33b33b0 100644
--- a/unix/zsysnum_linux_ppc64le.go
+++ b/unix/zsysnum_linux_ppc64le.go
@@ -402,4 +402,5 @@
 	SYS_FACCESSAT2             = 439
 	SYS_PROCESS_MADVISE        = 440
 	SYS_EPOLL_PWAIT2           = 441
+	SYS_MOUNT_SETATTR          = 442
 )
diff --git a/unix/zsysnum_linux_riscv64.go b/unix/zsysnum_linux_riscv64.go
index 41deed6..66c8a8e 100644
--- a/unix/zsysnum_linux_riscv64.go
+++ b/unix/zsysnum_linux_riscv64.go
@@ -304,4 +304,5 @@
 	SYS_FACCESSAT2             = 439
 	SYS_PROCESS_MADVISE        = 440
 	SYS_EPOLL_PWAIT2           = 441
+	SYS_MOUNT_SETATTR          = 442
 )
diff --git a/unix/zsysnum_linux_s390x.go b/unix/zsysnum_linux_s390x.go
index 8e53a9e..aea5760 100644
--- a/unix/zsysnum_linux_s390x.go
+++ b/unix/zsysnum_linux_s390x.go
@@ -367,4 +367,5 @@
 	SYS_FACCESSAT2             = 439
 	SYS_PROCESS_MADVISE        = 440
 	SYS_EPOLL_PWAIT2           = 441
+	SYS_MOUNT_SETATTR          = 442
 )
diff --git a/unix/zsysnum_linux_sparc64.go b/unix/zsysnum_linux_sparc64.go
index 596e5bc..488ca84 100644
--- a/unix/zsysnum_linux_sparc64.go
+++ b/unix/zsysnum_linux_sparc64.go
@@ -381,4 +381,5 @@
 	SYS_FACCESSAT2             = 439
 	SYS_PROCESS_MADVISE        = 440
 	SYS_EPOLL_PWAIT2           = 441
+	SYS_MOUNT_SETATTR          = 442
 )
diff --git a/unix/ztypes_linux.go b/unix/ztypes_linux.go
index 3bfc6f7..0873235 100644
--- a/unix/ztypes_linux.go
+++ b/unix/ztypes_linux.go
@@ -1016,7 +1016,10 @@
 	PERF_SAMPLE_PHYS_ADDR                 = 0x80000
 	PERF_SAMPLE_AUX                       = 0x100000
 	PERF_SAMPLE_CGROUP                    = 0x200000
-	PERF_SAMPLE_MAX                       = 0x1000000
+	PERF_SAMPLE_DATA_PAGE_SIZE            = 0x400000
+	PERF_SAMPLE_CODE_PAGE_SIZE            = 0x800000
+	PERF_SAMPLE_WEIGHT_STRUCT             = 0x1000000
+	PERF_SAMPLE_MAX                       = 0x2000000
 	PERF_SAMPLE_BRANCH_USER_SHIFT         = 0x0
 	PERF_SAMPLE_BRANCH_KERNEL_SHIFT       = 0x1
 	PERF_SAMPLE_BRANCH_HV_SHIFT           = 0x2
@@ -3126,7 +3129,8 @@
 	DEVLINK_ATTR_REMOTE_RELOAD_STATS                   = 0xa1
 	DEVLINK_ATTR_RELOAD_ACTION_INFO                    = 0xa2
 	DEVLINK_ATTR_RELOAD_ACTION_STATS                   = 0xa3
-	DEVLINK_ATTR_MAX                                   = 0xa3
+	DEVLINK_ATTR_PORT_PCI_SF_NUMBER                    = 0xa4
+	DEVLINK_ATTR_MAX                                   = 0xa4
 	DEVLINK_DPIPE_FIELD_MAPPING_TYPE_NONE              = 0x0
 	DEVLINK_DPIPE_FIELD_MAPPING_TYPE_IFINDEX           = 0x1
 	DEVLINK_DPIPE_MATCH_TYPE_FIELD_EXACT               = 0x0
@@ -3140,7 +3144,9 @@
 	DEVLINK_RESOURCE_UNIT_ENTRY                        = 0x0
 	DEVLINK_PORT_FUNCTION_ATTR_UNSPEC                  = 0x0
 	DEVLINK_PORT_FUNCTION_ATTR_HW_ADDR                 = 0x1
-	DEVLINK_PORT_FUNCTION_ATTR_MAX                     = 0x1
+	DEVLINK_PORT_FN_ATTR_STATE                         = 0x2
+	DEVLINK_PORT_FN_ATTR_OPSTATE                       = 0x3
+	DEVLINK_PORT_FUNCTION_ATTR_MAX                     = 0x3
 )
 
 type FsverityDigest struct {
@@ -3509,7 +3515,8 @@
 	ETHTOOL_A_LINKMODES_DUPLEX                = 0x6
 	ETHTOOL_A_LINKMODES_MASTER_SLAVE_CFG      = 0x7
 	ETHTOOL_A_LINKMODES_MASTER_SLAVE_STATE    = 0x8
-	ETHTOOL_A_LINKMODES_MAX                   = 0x8
+	ETHTOOL_A_LINKMODES_LANES                 = 0x9
+	ETHTOOL_A_LINKMODES_MAX                   = 0x9
 	ETHTOOL_A_LINKSTATE_UNSPEC                = 0x0
 	ETHTOOL_A_LINKSTATE_HEADER                = 0x1
 	ETHTOOL_A_LINKSTATE_LINK                  = 0x2