From: Felix Fietkau Date: Thu, 20 Aug 2020 15:14:36 +0000 (+0200) Subject: uml: update to linux 5.4 X-Git-Tag: v21.02.0-rc1~1823 X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=3f69f7dd84e643bf55a54500cfb2d6049a0c8bef;p=openwrt%2Fstaging%2Fchunkeey.git uml: update to linux 5.4 Signed-off-by: Felix Fietkau --- diff --git a/target/linux/uml/Makefile b/target/linux/uml/Makefile index 0bfdfe3e1f..275d3cf3bd 100644 --- a/target/linux/uml/Makefile +++ b/target/linux/uml/Makefile @@ -21,16 +21,10 @@ BOARD:=uml BOARDNAME:=User Mode Linux FEATURES:=squashfs ext4 audio source-only -KERNEL_PATCHVER:=4.14 +KERNEL_PATCHVER:=5.4 include $(INCLUDE_DIR)/target.mk -define Kernel/Patch - mkdir -p $(LINUX_DIR)/arch/um/include/uapi - mv $(LINUX_DIR)/arch/um/include/asm $(LINUX_DIR)/arch/um/include/uapi/ - $(Kernel/Patch/Default) -endef - LINUX_TARGET_CONFIG:=$(CURDIR)/config/$(ARCH) DEFAULT_PACKAGES += wpad-basic-wolfssl kmod-mac80211-hwsim mkf2fs e2fsprogs diff --git a/target/linux/uml/config/i386 b/target/linux/uml/config/i386 index 8b26e96242..353d021cec 100644 --- a/target/linux/uml/config/i386 +++ b/target/linux/uml/config/i386 @@ -1,76 +1,62 @@ # CONFIG_3_LEVEL_PGTABLES is not set # CONFIG_64BIT is not set CONFIG_ARCH_DEFCONFIG="arch/um/configs/i386_defconfig" -# CONFIG_ARCH_HAS_GCOV_PROFILE_ALL is not set CONFIG_ARCH_HAS_KCOV=y -CONFIG_ARCH_HAS_SC_SIGNALS=y -# CONFIG_ARCH_HAS_SG_CHAIN is not set -# CONFIG_ARCH_HAS_STRICT_KERNEL_RWX is not set -# CONFIG_ARCH_HAS_STRICT_MODULE_RWX is not set -# CONFIG_ARCH_OPTIONAL_KERNEL_RWX is not set -# CONFIG_ARCH_OPTIONAL_KERNEL_RWX_DEFAULT is not set -CONFIG_ARCH_REUSE_HOST_VSYSCALL_AREA=y -CONFIG_ARCH_WANT_IPC_PARSE_VERSION=y +CONFIG_ARCH_NO_PREEMPT=y CONFIG_BLK_DEV_COW_COMMON=y CONFIG_BLK_DEV_LOOP=y CONFIG_BLK_DEV_UBD=y CONFIG_BLK_DEV_UBD_SYNC=y -CONFIG_CLONE_BACKWARDS=y +CONFIG_BLK_MQ_VIRTIO=y +CONFIG_CC_HAS_KASAN_GENERIC=y CONFIG_CON_CHAN="xterm" CONFIG_CON_ZERO_CHAN="fd:0,fd:1" CONFIG_CPU_SUP_AMD=y CONFIG_CPU_SUP_CENTAUR=y -CONFIG_CPU_SUP_CYRIX_32=y +CONFIG_CPU_SUP_HYGON=y CONFIG_CPU_SUP_INTEL=y -CONFIG_CPU_SUP_TRANSMETA_32=y -CONFIG_CPU_SUP_UMC_32=y -# CONFIG_CRASHLOG is not set +CONFIG_CPU_SUP_ZHAOXIN=y CONFIG_CRC16=y CONFIG_CRYPTO_CRC32=y CONFIG_CRYPTO_CRC32C=y CONFIG_CRYPTO_HASH=y CONFIG_CRYPTO_HASH2=y CONFIG_CRYPTO_RNG2=y -CONFIG_CRYPTO_WORKQUEUE=y +CONFIG_CRYPTO_SHA1=y CONFIG_DEBUG_MEMORY_INIT=y CONFIG_DECOMPRESS_BZIP2=y CONFIG_DECOMPRESS_GZIP=y -CONFIG_DEFAULT_CFQ=y -# CONFIG_DEFAULT_DEADLINE is not set -CONFIG_DEFAULT_IOSCHED="cfq" CONFIG_DNOTIFY=y # CONFIG_EARLY_PRINTK is not set -# CONFIG_EMBEDDED is not set CONFIG_EXT4_FS=y -# CONFIG_F2FS_CHECK_FS is not set CONFIG_F2FS_FS=y -# CONFIG_F2FS_FS_SECURITY is not set CONFIG_F2FS_FS_XATTR=y CONFIG_F2FS_STAT_FS=y +CONFIG_FAILOVER=y +CONFIG_FS_IOMAP=y CONFIG_FS_MBCACHE=y +CONFIG_FW_LOADER_PAGED_BUF=y CONFIG_GENERIC_CLOCKEVENTS=y +# CONFIG_GENERIC_CPU is not set CONFIG_GENERIC_CPU_DEVICES=y CONFIG_GENERIC_FIND_FIRST_BIT=y -CONFIG_GENERIC_IO=y CONFIG_GENERIC_IRQ_SHOW=y -# CONFIG_GRO_CELLS is not set -# CONFIG_HAVE_64BIT_ALIGNED_ACCESS is not set -CONFIG_HAVE_AOUT=y CONFIG_HAVE_ARCH_AUDITSYSCALL=y -# CONFIG_HAVE_ARCH_BITREVERSE is not set CONFIG_HAVE_ARCH_SECCOMP_FILTER=y -# CONFIG_HAVE_BOOTMEM_INFO_NODE is not set +CONFIG_HAVE_ASM_MODVERSIONS=y +CONFIG_HAVE_COPY_THREAD_TLS=y +CONFIG_HAVE_DEBUG_BUGVERBOSE=y CONFIG_HAVE_DEBUG_KMEMLEAK=y CONFIG_HAVE_FUTEX_CMPXCHG=y -# CONFIG_HAVE_GENERIC_DMA_COHERENT is not set CONFIG_HAVE_NET_DSA=y CONFIG_HAVE_UID16=y -CONFIG_HOSTAUDIO=m +CONFIG_HAVE_VIRT_CPU_ACCOUNTING_GEN=y CONFIG_HOSTFS=y +CONFIG_HVC_DRIVER=y +CONFIG_HZ=100 CONFIG_HZ_PERIODIC=y CONFIG_INITRAMFS_SOURCE="" CONFIG_INIT_ENV_ARG_LIMIT=128 -CONFIG_IOSCHED_CFQ=y CONFIG_IRQ_WORK=y CONFIG_ISO9660_FS=y CONFIG_JBD2=y @@ -78,68 +64,38 @@ CONFIG_JBD2=y CONFIG_KALLSYMS=y CONFIG_KERNEL_STACK_ORDER=2 CONFIG_LD_SCRIPT_STATIC=y -# CONFIG_M486 is not set -# CONFIG_M586 is not set -# CONFIG_M586MMX is not set -# CONFIG_M586TSC is not set -# CONFIG_M686 is not set -CONFIG_MAGIC_SYSRQ=y +CONFIG_LOCK_DEBUGGING_SUPPORT=y # CONFIG_MATOM is not set CONFIG_MCONSOLE=y # CONFIG_MCORE2 is not set -# CONFIG_MCRUSOE is not set -# CONFIG_MCYRIXIII is not set -# CONFIG_MDIO_BUS is not set -# CONFIG_MEFFICEON is not set -# CONFIG_MELAN is not set -# CONFIG_MGEODEGX1 is not set -# CONFIG_MGEODE_LX is not set -# CONFIG_MK6 is not set -# CONFIG_MK7 is not set -# CONFIG_MK8 is not set +CONFIG_MEMFD_CREATE=y +CONFIG_MIGRATION=y +CONFIG_MK8=y # CONFIG_MMAPPER is not set -CONFIG_MODULES_USE_ELF_REL=y -# CONFIG_MPENTIUM4 is not set -CONFIG_MPENTIUMII=y -# CONFIG_MPENTIUMIII is not set -# CONFIG_MPENTIUMM is not set -# CONFIG_MVIAC3_2 is not set -# CONFIG_MVIAC7 is not set -# CONFIG_MWINCHIP3D is not set -# CONFIG_MWINCHIPC6 is not set +CONFIG_MODULES_USE_ELF_RELA=y +# CONFIG_MPSC is not set CONFIG_NAMESPACES=y CONFIG_NEED_PER_CPU_KM=y +CONFIG_NET_FAILOVER=y # CONFIG_NET_NS is not set CONFIG_NLS=y -# CONFIG_NOCONFIG_CHAN is not set CONFIG_NO_DMA=y CONFIG_NO_IOMEM=y CONFIG_NR_CPUS=1 -# CONFIG_NSC_GPIO is not set CONFIG_NULL_CHAN=y # CONFIG_OF is not set -CONFIG_OLD_SIGACTION=y -CONFIG_OLD_SIGSUSPEND3=y -CONFIG_PGTABLE_LEVELS=2 +CONFIG_PGTABLE_LEVELS=3 +CONFIG_PHYS_ADDR_T_64BIT=y CONFIG_PORT_CHAN=y CONFIG_POSIX_MQUEUE=y CONFIG_POSIX_MQUEUE_SYSCTL=y # CONFIG_PROCESSOR_SELECT is not set CONFIG_PROC_PAGE_MONITOR=y CONFIG_PTY_CHAN=y -# CONFIG_RCU_NEED_SEGCBLIST is not set -# CONFIG_RCU_STALL_COMMON is not set CONFIG_RD_BZIP2=y CONFIG_RD_GZIP=y CONFIG_RELAY=y -# CONFIG_RWSEM_XCHGADD_ALGORITHM is not set -# CONFIG_SBC8360_WDT is not set -# CONFIG_SCHED_INFO is not set -# CONFIG_SCSI_DMA is not set CONFIG_SOFT_WATCHDOG=m -CONFIG_SOUND=m -CONFIG_SOUND_OSS_CORE=y -CONFIG_SOUND_OSS_CORE_PRECLAIM=y CONFIG_SRCU=y CONFIG_SSL=y CONFIG_SSL_CHAN="pty" @@ -152,19 +108,26 @@ CONFIG_TTY_CHAN=y CONFIG_UML=y CONFIG_UML_NET=y CONFIG_UML_NET_DAEMON=y +CONFIG_UML_NET_DETERMINISTIC_MAC=y CONFIG_UML_NET_ETHERTAP=y CONFIG_UML_NET_MCAST=y # CONFIG_UML_NET_PCAP is not set -# CONFIG_UML_NET_RANDOM_MAC is not set CONFIG_UML_NET_SLIP=y CONFIG_UML_NET_SLIRP=y CONFIG_UML_NET_TUNTAP=y # CONFIG_UML_NET_VDE is not set +CONFIG_UML_NET_VECTOR=y CONFIG_UML_RANDOM=y -CONFIG_UML_SOUND=m -CONFIG_UML_WATCHDOG=m +# CONFIG_UML_SOUND is not set +CONFIG_UML_TIME_TRAVEL_SUPPORT=y +CONFIG_UML_WATCHDOG=y CONFIG_UML_X86=y # CONFIG_USER_NS is not set +CONFIG_VIRTIO=y +CONFIG_VIRTIO_BLK=y +CONFIG_VIRTIO_CONSOLE=y +CONFIG_VIRTIO_NET=y +CONFIG_VIRTIO_UML=y CONFIG_VM_EVENT_COUNTERS=y CONFIG_WATCHDOG_CORE=y CONFIG_X86_32=y diff --git a/target/linux/uml/config/x86_64 b/target/linux/uml/config/x86_64 index a46f7fb8a4..f5d59d2f28 100644 --- a/target/linux/uml/config/x86_64 +++ b/target/linux/uml/config/x86_64 @@ -1,75 +1,64 @@ CONFIG_3_LEVEL_PGTABLES=y CONFIG_64BIT=y CONFIG_ARCH_DEFCONFIG="arch/um/configs/x86_64_defconfig" -# CONFIG_ARCH_HAS_GCOV_PROFILE_ALL is not set +CONFIG_ARCH_DMA_ADDR_T_64BIT=y CONFIG_ARCH_HAS_KCOV=y -# CONFIG_ARCH_HAS_SC_SIGNALS is not set -# CONFIG_ARCH_HAS_SG_CHAIN is not set -# CONFIG_ARCH_HAS_STRICT_KERNEL_RWX is not set -# CONFIG_ARCH_HAS_STRICT_MODULE_RWX is not set -# CONFIG_ARCH_OPTIONAL_KERNEL_RWX is not set -# CONFIG_ARCH_OPTIONAL_KERNEL_RWX_DEFAULT is not set -# CONFIG_ARCH_REUSE_HOST_VSYSCALL_AREA is not set +CONFIG_ARCH_NO_PREEMPT=y CONFIG_BLK_DEV_COW_COMMON=y CONFIG_BLK_DEV_LOOP=y CONFIG_BLK_DEV_UBD=y CONFIG_BLK_DEV_UBD_SYNC=y +CONFIG_BLK_MQ_VIRTIO=y +CONFIG_CC_HAS_KASAN_GENERIC=y CONFIG_CON_CHAN="xterm" CONFIG_CON_ZERO_CHAN="fd:0,fd:1" CONFIG_CPU_SUP_AMD=y CONFIG_CPU_SUP_CENTAUR=y +CONFIG_CPU_SUP_HYGON=y CONFIG_CPU_SUP_INTEL=y -# CONFIG_CRASHLOG is not set +CONFIG_CPU_SUP_ZHAOXIN=y CONFIG_CRC16=y -# CONFIG_CRYPTO_AES_X86_64 is not set CONFIG_CRYPTO_CRC32=y CONFIG_CRYPTO_CRC32C=y CONFIG_CRYPTO_HASH=y CONFIG_CRYPTO_HASH2=y CONFIG_CRYPTO_RNG2=y CONFIG_CRYPTO_SHA1=y -# CONFIG_CRYPTO_SKEIN is not set # CONFIG_CRYPTO_TWOFISH_X86_64 is not set -CONFIG_CRYPTO_WORKQUEUE=y CONFIG_DEBUG_MEMORY_INIT=y CONFIG_DECOMPRESS_BZIP2=y CONFIG_DECOMPRESS_GZIP=y -CONFIG_DEFAULT_CFQ=y -# CONFIG_DEFAULT_DEADLINE is not set -CONFIG_DEFAULT_IOSCHED="cfq" CONFIG_DNOTIFY=y # CONFIG_EARLY_PRINTK is not set CONFIG_EXT4_FS=y -# CONFIG_F2FS_CHECK_FS is not set CONFIG_F2FS_FS=y -# CONFIG_F2FS_FS_SECURITY is not set CONFIG_F2FS_FS_XATTR=y CONFIG_F2FS_STAT_FS=y +CONFIG_FAILOVER=y +CONFIG_FS_IOMAP=y CONFIG_FS_MBCACHE=y +CONFIG_FW_LOADER_PAGED_BUF=y CONFIG_GENERIC_CLOCKEVENTS=y # CONFIG_GENERIC_CPU is not set CONFIG_GENERIC_CPU_DEVICES=y CONFIG_GENERIC_FIND_FIRST_BIT=y -CONFIG_GENERIC_IO=y CONFIG_GENERIC_IRQ_SHOW=y -# CONFIG_GRO_CELLS is not set -CONFIG_HAVE_64BIT_ALIGNED_ACCESS=y CONFIG_HAVE_ARCH_AUDITSYSCALL=y -# CONFIG_HAVE_ARCH_BITREVERSE is not set CONFIG_HAVE_ARCH_SECCOMP_FILTER=y -# CONFIG_HAVE_BOOTMEM_INFO_NODE is not set +CONFIG_HAVE_ASM_MODVERSIONS=y +CONFIG_HAVE_COPY_THREAD_TLS=y +CONFIG_HAVE_DEBUG_BUGVERBOSE=y CONFIG_HAVE_DEBUG_KMEMLEAK=y CONFIG_HAVE_FUTEX_CMPXCHG=y -# CONFIG_HAVE_GENERIC_DMA_COHERENT is not set CONFIG_HAVE_NET_DSA=y CONFIG_HAVE_UID16=y CONFIG_HAVE_VIRT_CPU_ACCOUNTING_GEN=y -CONFIG_HOSTAUDIO=m CONFIG_HOSTFS=y +CONFIG_HVC_DRIVER=y +CONFIG_HZ=100 CONFIG_HZ_PERIODIC=y CONFIG_INITRAMFS_SOURCE="" CONFIG_INIT_ENV_ARG_LIMIT=128 -CONFIG_IOSCHED_CFQ=y CONFIG_IRQ_WORK=y CONFIG_ISO9660_FS=y CONFIG_JBD2=y @@ -77,19 +66,21 @@ CONFIG_JBD2=y CONFIG_KALLSYMS=y CONFIG_KERNEL_STACK_ORDER=2 CONFIG_LD_SCRIPT_STATIC=y +CONFIG_LOCK_DEBUGGING_SUPPORT=y # CONFIG_MATOM is not set CONFIG_MCONSOLE=y # CONFIG_MCORE2 is not set -# CONFIG_MDIO_BUS is not set +CONFIG_MEMFD_CREATE=y +CONFIG_MIGRATION=y CONFIG_MK8=y # CONFIG_MMAPPER is not set CONFIG_MODULES_USE_ELF_RELA=y # CONFIG_MPSC is not set CONFIG_NAMESPACES=y CONFIG_NEED_PER_CPU_KM=y +CONFIG_NET_FAILOVER=y # CONFIG_NET_NS is not set CONFIG_NLS=y -# CONFIG_NOCONFIG_CHAN is not set CONFIG_NO_DMA=y CONFIG_NO_IOMEM=y CONFIG_NR_CPUS=1 @@ -103,19 +94,10 @@ CONFIG_POSIX_MQUEUE_SYSCTL=y # CONFIG_PROCESSOR_SELECT is not set CONFIG_PROC_PAGE_MONITOR=y CONFIG_PTY_CHAN=y -# CONFIG_RCU_NEED_SEGCBLIST is not set -# CONFIG_RCU_STALL_COMMON is not set CONFIG_RD_BZIP2=y CONFIG_RD_GZIP=y CONFIG_RELAY=y -# CONFIG_RWSEM_GENERIC_SPINLOCK is not set -CONFIG_RWSEM_XCHGADD_ALGORITHM=y -# CONFIG_SCHED_INFO is not set -# CONFIG_SCSI_DMA is not set CONFIG_SOFT_WATCHDOG=m -CONFIG_SOUND=m -CONFIG_SOUND_OSS_CORE=y -CONFIG_SOUND_OSS_CORE_PRECLAIM=y CONFIG_SRCU=y CONFIG_SSL=y CONFIG_SSL_CHAN="pty" @@ -128,22 +110,28 @@ CONFIG_TTY_CHAN=y CONFIG_UML=y CONFIG_UML_NET=y CONFIG_UML_NET_DAEMON=y +CONFIG_UML_NET_DETERMINISTIC_MAC=y CONFIG_UML_NET_ETHERTAP=y CONFIG_UML_NET_MCAST=y # CONFIG_UML_NET_PCAP is not set -# CONFIG_UML_NET_RANDOM_MAC is not set CONFIG_UML_NET_SLIP=y CONFIG_UML_NET_SLIRP=y CONFIG_UML_NET_TUNTAP=y # CONFIG_UML_NET_VDE is not set +CONFIG_UML_NET_VECTOR=y CONFIG_UML_RANDOM=y -CONFIG_UML_SOUND=m -CONFIG_UML_WATCHDOG=m +# CONFIG_UML_SOUND is not set +CONFIG_UML_TIME_TRAVEL_SUPPORT=y +CONFIG_UML_WATCHDOG=y CONFIG_UML_X86=y # CONFIG_USER_NS is not set +CONFIG_VIRTIO=y +CONFIG_VIRTIO_BLK=y +CONFIG_VIRTIO_CONSOLE=y +CONFIG_VIRTIO_NET=y +CONFIG_VIRTIO_UML=y CONFIG_VM_EVENT_COUNTERS=y CONFIG_WATCHDOG_CORE=y -# CONFIG_X86_32 is not set CONFIG_X86_64=y CONFIG_X86_CMOV=y CONFIG_X86_CMPXCHG64=y diff --git a/target/linux/uml/files/arch/um/include/uapi/asm/Kbuild b/target/linux/uml/files/arch/um/include/uapi/asm/Kbuild new file mode 100644 index 0000000000..e69de29bb2 diff --git a/target/linux/uml/patches-4.14/101-mconsole-exec.patch b/target/linux/uml/patches-4.14/101-mconsole-exec.patch deleted file mode 100644 index 2acb519323..0000000000 --- a/target/linux/uml/patches-4.14/101-mconsole-exec.patch +++ /dev/null @@ -1,213 +0,0 @@ -# -# Minimalist mconsole exec patch -# -# 3.10 version (with bit more synchronous behavior) by fingon at iki dot fi -# Adaptation to kernel 3.3.8 made by David Fernández (david at dit.upm.es) for -# Starting point: mconsole-exec-2.6.30.patch for kernel 2.6.30 -# Author of original patch: Paolo Giarrusso, aka Blaisorblade -# (http://www.user-mode-linux.org/~blaisorblade) -# -# Known misfeatures: -# -# - If output is too long, blocks (and breaks horribly) -# (this misfeature from 3.10 patches, when minimalizing the patch; -# workaround: redirect to a shared filesystem if long output is expected) -# -# - Nothing useful is done with stdin -# ---- a/arch/um/drivers/mconsole.h -+++ b/arch/um/drivers/mconsole.h -@@ -85,6 +85,7 @@ extern void mconsole_cad(struct mc_reque - extern void mconsole_stop(struct mc_request *req); - extern void mconsole_go(struct mc_request *req); - extern void mconsole_log(struct mc_request *req); -+extern void mconsole_exec(struct mc_request *req); - extern void mconsole_proc(struct mc_request *req); - extern void mconsole_stack(struct mc_request *req); - ---- a/arch/um/drivers/mconsole_kern.c -+++ b/arch/um/drivers/mconsole_kern.c -@@ -4,6 +4,7 @@ - * Licensed under the GPL - */ - -+#include - #include - #include - #include -@@ -26,6 +27,7 @@ - #include - #include - #include -+#include - #include - - #include -@@ -122,6 +124,59 @@ void mconsole_log(struct mc_request *req - mconsole_reply(req, "", 0, 0); - } - -+void mconsole_exec(struct mc_request *req) -+{ -+ struct subprocess_info *sub_info; -+ int res, len; -+ struct file *out; -+ char buf[MCONSOLE_MAX_DATA]; -+ -+ char *envp[] = { -+ "HOME=/", "TERM=linux", -+ "PATH=/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/sbin:/usr/local/bin", -+ NULL -+ }; -+ char *argv[] = { -+ "/bin/sh", "-c", -+ req->request.data + strlen("exec "), -+ NULL -+ }; -+ -+ sub_info = call_usermodehelper_setup("/bin/sh", argv, envp, GFP_ATOMIC, NULL, NULL, NULL); -+ if (sub_info == NULL) { -+ mconsole_reply(req, "call_usermodehelper_setup failed", 1, 0); -+ return; -+ } -+ res = call_usermodehelper_stdoutpipe(sub_info, &out); -+ if (res < 0) { -+ kfree(sub_info); -+ mconsole_reply(req, "call_usermodehelper_stdoutpipe failed", 1, 0); -+ return; -+ } -+ -+ res = call_usermodehelper_exec(sub_info, UMH_WAIT_PROC); -+ if (res < 0) { -+ kfree(sub_info); -+ mconsole_reply(req, "call_usermodehelper_exec failed", 1, 0); -+ return; -+ } -+ -+ for (;;) { -+ len = out->f_op->read(out, buf, sizeof(buf), &out->f_pos); -+ if (len < 0) { -+ mconsole_reply(req, "reading output failed", 1, 0); -+ break; -+ } -+ if (len == 0) -+ break; -+ mconsole_reply_len(req, buf, len, 0, 1); -+ } -+ fput(out); -+ -+ mconsole_reply_len(req, NULL, 0, 0, 0); -+} -+ -+ - void mconsole_proc(struct mc_request *req) - { - struct vfsmount *mnt = task_active_pid_ns(current)->proc_mnt; -@@ -183,6 +238,7 @@ void mconsole_proc(struct mc_request *re - stop - pause the UML; it will do nothing until it receives a 'go' \n\ - go - continue the UML after a 'stop' \n\ - log - make UML enter into the kernel log\n\ -+ exec - pass to /bin/sh -c synchronously\n\ - proc - returns the contents of the UML's /proc/\n\ - stack - returns the stack of the specified pid\n\ - " ---- a/arch/um/drivers/mconsole_user.c -+++ b/arch/um/drivers/mconsole_user.c -@@ -30,6 +30,7 @@ static struct mconsole_command commands[ - { "stop", mconsole_stop, MCONSOLE_PROC }, - { "go", mconsole_go, MCONSOLE_INTR }, - { "log", mconsole_log, MCONSOLE_INTR }, -+ { "exec", mconsole_exec, MCONSOLE_PROC }, - { "proc", mconsole_proc, MCONSOLE_PROC }, - { "stack", mconsole_stack, MCONSOLE_INTR }, - }; ---- a/arch/um/os-Linux/file.c -+++ b/arch/um/os-Linux/file.c -@@ -555,6 +555,8 @@ int os_create_unix_socket(const char *fi - - addr.sun_family = AF_UNIX; - -+ if (len > sizeof(addr.sun_path)) -+ len = sizeof(addr.sun_path); - snprintf(addr.sun_path, len, "%s", file); - - err = bind(sock, (struct sockaddr *) &addr, sizeof(addr)); ---- a/include/linux/kmod.h -+++ b/include/linux/kmod.h -@@ -45,4 +45,6 @@ static inline int request_module_nowait( - #define try_then_request_module(x, mod...) (x) - #endif - -+int call_usermodehelper_stdoutpipe(struct subprocess_info *sub_info, struct file **filp); -+ - #endif /* __LINUX_KMOD_H__ */ ---- a/include/linux/umh.h -+++ b/include/linux/umh.h -@@ -22,6 +22,7 @@ struct subprocess_info { - const char *path; - char **argv; - char **envp; -+ struct file *stdout; - int wait; - int retval; - int (*init)(struct subprocess_info *info, struct cred *new); ---- a/kernel/umh.c -+++ b/kernel/umh.c -@@ -25,6 +25,7 @@ - #include - #include - #include -+#include - - #include - -@@ -70,6 +71,28 @@ static int call_usermodehelper_exec_asyn - flush_signal_handlers(current, 1); - spin_unlock_irq(¤t->sighand->siglock); - -+ /* Install output when needed */ -+ if (sub_info->stdout) { -+ struct files_struct *f = current->files; -+ struct fdtable *fdt; -+ -+ sys_close(1); -+ sys_close(2); -+ get_file(sub_info->stdout); -+ fd_install(1, sub_info->stdout); -+ fd_install(2, sub_info->stdout); -+ spin_lock(&f->file_lock); -+ fdt = files_fdtable(f); -+ __set_bit(1, fdt->open_fds); -+ __clear_bit(1, fdt->close_on_exec); -+ __set_bit(2, fdt->open_fds); -+ __clear_bit(2, fdt->close_on_exec); -+ spin_unlock(&f->file_lock); -+ -+ /* disallow core files */ -+ current->signal->rlim[RLIMIT_CORE] = (struct rlimit){0, 0}; -+ } -+ - /* - * Our parent (unbound workqueue) runs with elevated scheduling - * priority. Avoid propagating that into the userspace child. -@@ -393,6 +416,20 @@ struct subprocess_info *call_usermodehel - } - EXPORT_SYMBOL(call_usermodehelper_setup); - -+int call_usermodehelper_stdoutpipe(struct subprocess_info *sub_info, -+ struct file **filp) -+{ -+ struct file *f[2]; -+ -+ if (create_pipe_files(f, 0) < 0) -+ return PTR_ERR(f); -+ -+ sub_info->stdout = f[1]; -+ *filp = f[0]; -+ return 0; -+} -+EXPORT_SYMBOL(call_usermodehelper_stdoutpipe); -+ - /** - * call_usermodehelper_exec - start a usermode application - * @sub_info: information about the subprocessa diff --git a/target/linux/uml/patches-4.14/102-pseudo-random-mac.patch b/target/linux/uml/patches-4.14/102-pseudo-random-mac.patch deleted file mode 100644 index 3d3bc63431..0000000000 --- a/target/linux/uml/patches-4.14/102-pseudo-random-mac.patch +++ /dev/null @@ -1,131 +0,0 @@ -=============================================================================== - -This patch makes MAC addresses of network interfaces predictable. In -particular, it adds a small routine that computes MAC addresses of based on -a SHA1 hash of the virtual machine name and interface ID. - -TECHNICAL INFORMATION: - -Applies to vanilla kernel 3.9.4. - -=============================================================================== ---- a/arch/um/Kconfig.net -+++ b/arch/um/Kconfig.net -@@ -22,6 +22,19 @@ config UML_NET - enable at least one of the following transport options to actually - make use of UML networking. - -+config UML_NET_RANDOM_MAC -+ bool "Use random MAC addresses for network interfaces" -+ default n -+ depends on UML_NET -+ help -+ Virtual network devices inside a User-Mode Linux instance must be -+ assigned a MAC (Ethernet) address. If none is specified on the UML -+ command line, one must be automatically computed. If this option is -+ enabled, a randomly generated address is used. Otherwise, if this -+ option is disabled, the address is generated from a SHA1 hash of -+ the umid of the UML instance and the interface name. The latter choice -+ is useful to make MAC addresses predictable. -+ - config UML_NET_ETHERTAP - bool "Ethertap transport" - depends on UML_NET ---- a/arch/um/drivers/net_kern.c -+++ b/arch/um/drivers/net_kern.c -@@ -25,6 +25,14 @@ - #include - #include - -+#include -+#include -+#include -+#include -+#include -+#include -+#include "os.h" -+ - #define DRIVER_NAME "uml-netdev" - - static DEFINE_SPINLOCK(opened_lock); -@@ -288,11 +296,53 @@ static void uml_net_user_timer_expire(un - #endif - } - -+#ifndef CONFIG_UML_NET_RANDOM_MAC -+ -+/* Compute a SHA1 hash of the UML instance's id and -+ * * an interface name. */ -+static int compute_hash(const char *umid, const char *ifname, char *hash) -+{ -+ struct ahash_request *desc; -+ struct crypto_ahash *tfm; -+ struct scatterlist sg; -+ char vmif[1024]; -+ int ret; -+ -+ strcpy (vmif, umid); -+ strcat (vmif, ifname); -+ -+ tfm = crypto_alloc_ahash("sha1", 0, CRYPTO_ALG_ASYNC); -+ if (IS_ERR(tfm)) -+ return -ENOMEM; -+ -+ desc = ahash_request_alloc(tfm, GFP_KERNEL); -+ if (!desc) { -+ ret = -ENOMEM; -+ goto out; -+ } -+ -+ crypto_ahash_clear_flags(tfm, ~0); -+ -+ sg_init_table(&sg, 1); -+ sg_set_buf(&sg, vmif, strlen(vmif)); -+ -+ ahash_request_set_crypt(desc, &sg, hash, strlen(vmif)); -+ -+ ret = crypto_ahash_digest(desc); -+out: -+ crypto_free_ahash(tfm); -+ -+ return ret; -+} -+ -+#endif -+ - static void setup_etheraddr(struct net_device *dev, char *str) - { - unsigned char *addr = dev->dev_addr; - char *end; - int i; -+ u8 hash[SHA1_DIGEST_SIZE]; - - if (str == NULL) - goto random; -@@ -333,9 +383,26 @@ static void setup_etheraddr(struct net_d - return; - - random: -+#ifdef CONFIG_UML_NET_RANDOM_MAC - printk(KERN_INFO - "Choosing a random ethernet address for device %s\n", dev->name); - eth_hw_addr_random(dev); -+#else -+ printk(KERN_INFO -+ "Computing a digest to use as ethernet address for device %s\n", dev->name); -+ if (compute_hash(get_umid(), dev->name, hash) < 0) { -+ printk(KERN_WARNING -+ "Could not compute digest to use as ethernet address for device %s. " -+ "Using random address instead.\n", dev->name); -+ random_ether_addr(addr); -+ } -+ else { -+ for (i=0; i < 6; i++) -+ addr[i] = (hash[i] + hash[i+6]) % 0x100; -+ } -+ addr [0] &= 0xfe; /* clear multicast bit */ -+ addr [0] |= 0x02; /* set local assignment bit (IEEE802) */ -+#endif - } - - static DEFINE_SPINLOCK(devices_lock); diff --git a/target/linux/uml/patches-5.4/101-mconsole-exec.patch b/target/linux/uml/patches-5.4/101-mconsole-exec.patch new file mode 100644 index 0000000000..827e85606b --- /dev/null +++ b/target/linux/uml/patches-5.4/101-mconsole-exec.patch @@ -0,0 +1,205 @@ +# +# Minimalist mconsole exec patch +# +# 3.10 version (with bit more synchronous behavior) by fingon at iki dot fi +# Adaptation to kernel 3.3.8 made by David Fernández (david at dit.upm.es) for +# Starting point: mconsole-exec-2.6.30.patch for kernel 2.6.30 +# Author of original patch: Paolo Giarrusso, aka Blaisorblade +# (http://www.user-mode-linux.org/~blaisorblade) +# +# Known misfeatures: +# +# - If output is too long, blocks (and breaks horribly) +# (this misfeature from 3.10 patches, when minimalizing the patch; +# workaround: redirect to a shared filesystem if long output is expected) +# +# - Nothing useful is done with stdin +# +--- a/arch/um/drivers/mconsole.h ++++ b/arch/um/drivers/mconsole.h +@@ -85,6 +85,7 @@ extern void mconsole_cad(struct mc_reque + extern void mconsole_stop(struct mc_request *req); + extern void mconsole_go(struct mc_request *req); + extern void mconsole_log(struct mc_request *req); ++extern void mconsole_exec(struct mc_request *req); + extern void mconsole_proc(struct mc_request *req); + extern void mconsole_stack(struct mc_request *req); + +--- a/arch/um/drivers/mconsole_kern.c ++++ b/arch/um/drivers/mconsole_kern.c +@@ -4,6 +4,7 @@ + * Copyright (C) 2001 - 2008 Jeff Dike (jdike@{addtoit,linux.intel}.com) + */ + ++#include + #include + #include + #include +@@ -26,6 +27,7 @@ + #include + #include + #include ++#include + #include + + #include +@@ -121,6 +123,59 @@ void mconsole_log(struct mc_request *req + mconsole_reply(req, "", 0, 0); + } + ++void mconsole_exec(struct mc_request *req) ++{ ++ struct subprocess_info *sub_info; ++ int res, len; ++ struct file *out; ++ char buf[MCONSOLE_MAX_DATA]; ++ ++ char *envp[] = { ++ "HOME=/", "TERM=linux", ++ "PATH=/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/sbin:/usr/local/bin", ++ NULL ++ }; ++ char *argv[] = { ++ "/bin/sh", "-c", ++ req->request.data + strlen("exec "), ++ NULL ++ }; ++ ++ sub_info = call_usermodehelper_setup("/bin/sh", argv, envp, GFP_ATOMIC, NULL, NULL, NULL); ++ if (sub_info == NULL) { ++ mconsole_reply(req, "call_usermodehelper_setup failed", 1, 0); ++ return; ++ } ++ res = call_usermodehelper_stdoutpipe(sub_info, &out); ++ if (res < 0) { ++ kfree(sub_info); ++ mconsole_reply(req, "call_usermodehelper_stdoutpipe failed", 1, 0); ++ return; ++ } ++ ++ res = call_usermodehelper_exec(sub_info, UMH_WAIT_PROC); ++ if (res < 0) { ++ kfree(sub_info); ++ mconsole_reply(req, "call_usermodehelper_exec failed", 1, 0); ++ return; ++ } ++ ++ for (;;) { ++ len = out->f_op->read(out, buf, sizeof(buf), &out->f_pos); ++ if (len < 0) { ++ mconsole_reply(req, "reading output failed", 1, 0); ++ break; ++ } ++ if (len == 0) ++ break; ++ mconsole_reply_len(req, buf, len, 0, 1); ++ } ++ fput(out); ++ ++ mconsole_reply_len(req, NULL, 0, 0, 0); ++} ++ ++ + void mconsole_proc(struct mc_request *req) + { + struct vfsmount *mnt = task_active_pid_ns(current)->proc_mnt; +@@ -183,6 +238,7 @@ void mconsole_proc(struct mc_request *re + stop - pause the UML; it will do nothing until it receives a 'go' \n\ + go - continue the UML after a 'stop' \n\ + log - make UML enter into the kernel log\n\ ++ exec - pass to /bin/sh -c synchronously\n\ + proc - returns the contents of the UML's /proc/\n\ + stack - returns the stack of the specified pid\n\ + " +--- a/arch/um/drivers/mconsole_user.c ++++ b/arch/um/drivers/mconsole_user.c +@@ -30,6 +30,7 @@ static struct mconsole_command commands[ + { "stop", mconsole_stop, MCONSOLE_PROC }, + { "go", mconsole_go, MCONSOLE_INTR }, + { "log", mconsole_log, MCONSOLE_INTR }, ++ { "exec", mconsole_exec, MCONSOLE_PROC }, + { "proc", mconsole_proc, MCONSOLE_PROC }, + { "stack", mconsole_stack, MCONSOLE_INTR }, + }; +--- a/arch/um/os-Linux/file.c ++++ b/arch/um/os-Linux/file.c +@@ -557,6 +557,8 @@ int os_create_unix_socket(const char *fi + + addr.sun_family = AF_UNIX; + ++ if (len > sizeof(addr.sun_path)) ++ len = sizeof(addr.sun_path); + snprintf(addr.sun_path, len, "%s", file); + + err = bind(sock, (struct sockaddr *) &addr, sizeof(addr)); +--- a/include/linux/kmod.h ++++ b/include/linux/kmod.h +@@ -32,4 +32,6 @@ static inline int request_module_nowait( + #define try_then_request_module(x, mod...) (x) + #endif + ++int call_usermodehelper_stdoutpipe(struct subprocess_info *sub_info, struct file **filp); ++ + #endif /* __LINUX_KMOD_H__ */ +--- a/include/linux/umh.h ++++ b/include/linux/umh.h +@@ -23,6 +23,7 @@ struct subprocess_info { + char **argv; + char **envp; + struct file *file; ++ struct file *stdout; + int wait; + int retval; + pid_t pid; +--- a/kernel/umh.c ++++ b/kernel/umh.c +@@ -75,6 +75,28 @@ static int call_usermodehelper_exec_asyn + flush_signal_handlers(current, 1); + spin_unlock_irq(¤t->sighand->siglock); + ++ /* Install output when needed */ ++ if (sub_info->stdout) { ++ struct files_struct *f = current->files; ++ struct fdtable *fdt; ++ ++ sys_close(1); ++ sys_close(2); ++ get_file(sub_info->stdout); ++ fd_install(1, sub_info->stdout); ++ fd_install(2, sub_info->stdout); ++ spin_lock(&f->file_lock); ++ fdt = files_fdtable(f); ++ __set_bit(1, fdt->open_fds); ++ __clear_bit(1, fdt->close_on_exec); ++ __set_bit(2, fdt->open_fds); ++ __clear_bit(2, fdt->close_on_exec); ++ spin_unlock(&f->file_lock); ++ ++ /* disallow core files */ ++ current->signal->rlim[RLIMIT_CORE] = (struct rlimit){0, 0}; ++ } ++ + /* + * Our parent (unbound workqueue) runs with elevated scheduling + * priority. Avoid propagating that into the userspace child. +@@ -353,6 +375,20 @@ static void helper_unlock(void) + wake_up(&running_helpers_waitq); + } + ++int call_usermodehelper_stdoutpipe(struct subprocess_info *sub_info, ++ struct file **filp) ++{ ++ struct file *f[2]; ++ ++ if (create_pipe_files(f, 0) < 0) ++ return PTR_ERR(f); ++ ++ sub_info->stdout = f[1]; ++ *filp = f[0]; ++ return 0; ++} ++EXPORT_SYMBOL(call_usermodehelper_stdoutpipe); ++ + /** + * call_usermodehelper_setup - prepare to call a usermode helper + * @path: path to usermode executable diff --git a/target/linux/uml/patches-5.4/102-pseudo-random-mac.patch b/target/linux/uml/patches-5.4/102-pseudo-random-mac.patch new file mode 100644 index 0000000000..19696365a1 --- /dev/null +++ b/target/linux/uml/patches-5.4/102-pseudo-random-mac.patch @@ -0,0 +1,130 @@ +=============================================================================== + +This patch makes MAC addresses of network interfaces predictable. In +particular, it adds a small routine that computes MAC addresses of based on +a SHA1 hash of the virtual machine name and interface ID. + +TECHNICAL INFORMATION: + +Applies to vanilla kernel 3.9.4. + +=============================================================================== +--- a/arch/um/drivers/Kconfig ++++ b/arch/um/drivers/Kconfig +@@ -146,6 +146,20 @@ config UML_NET + enable at least one of the following transport options to actually + make use of UML networking. + ++config UML_NET_DETERMINISTIC_MAC ++ bool "Use deterministic MAC addresses for network interfaces" ++ default y ++ depends on UML_NET ++ select CRYPTO_SHA1 ++ help ++ Virtual network devices inside a User-Mode Linux instance must be ++ assigned a MAC (Ethernet) address. If none is specified on the UML ++ command line, one must be automatically computed. If this option is ++ enabled, a randomly generated address is used. Otherwise, if this ++ option is disabled, the address is generated from a SHA1 hash of ++ the umid of the UML instance and the interface name. The latter choice ++ is useful to make MAC addresses predictable. ++ + config UML_NET_ETHERTAP + bool "Ethertap transport" + depends on UML_NET +--- a/arch/um/drivers/net_kern.c ++++ b/arch/um/drivers/net_kern.c +@@ -25,6 +25,14 @@ + #include + #include + ++#include ++#include ++#include ++#include ++#include ++#include ++#include "os.h" ++ + #define DRIVER_NAME "uml-netdev" + + static DEFINE_SPINLOCK(opened_lock); +@@ -286,9 +294,51 @@ static void uml_net_user_timer_expire(st + #endif + } + ++#ifdef CONFIG_UML_NET_DETERMINISTIC_MAC ++ ++/* Compute a SHA1 hash of the UML instance's id and ++ * * an interface name. */ ++static int compute_hash(const char *umid, const char *ifname, char *hash) ++{ ++ struct ahash_request *desc; ++ struct crypto_ahash *tfm; ++ struct scatterlist sg; ++ char vmif[1024]; ++ int ret; ++ ++ strcpy (vmif, umid); ++ strcat (vmif, ifname); ++ ++ tfm = crypto_alloc_ahash("sha1", 0, CRYPTO_ALG_ASYNC); ++ if (IS_ERR(tfm)) ++ return -ENOMEM; ++ ++ desc = ahash_request_alloc(tfm, GFP_KERNEL); ++ if (!desc) { ++ ret = -ENOMEM; ++ goto out; ++ } ++ ++ crypto_ahash_clear_flags(tfm, ~0); ++ ++ sg_init_table(&sg, 1); ++ sg_set_buf(&sg, vmif, strlen(vmif)); ++ ++ ahash_request_set_crypt(desc, &sg, hash, strlen(vmif)); ++ ++ ret = crypto_ahash_digest(desc); ++out: ++ crypto_free_ahash(tfm); ++ ++ return ret; ++} ++ ++#endif ++ + void uml_net_setup_etheraddr(struct net_device *dev, char *str) + { + unsigned char *addr = dev->dev_addr; ++ u8 hash[SHA1_DIGEST_SIZE]; + char *end; + int i; + +@@ -331,9 +381,26 @@ void uml_net_setup_etheraddr(struct net_ + return; + + random: ++#ifndef CONFIG_UML_NET_DETERMINISTIC_MAC + printk(KERN_INFO + "Choosing a random ethernet address for device %s\n", dev->name); + eth_hw_addr_random(dev); ++#else ++ printk(KERN_INFO ++ "Computing a digest to use as ethernet address for device %s\n", dev->name); ++ if (compute_hash(get_umid(), dev->name, hash) < 0) { ++ printk(KERN_WARNING ++ "Could not compute digest to use as ethernet address for device %s. " ++ "Using random address instead.\n", dev->name); ++ random_ether_addr(addr); ++ } ++ else { ++ for (i=0; i < 6; i++) ++ addr[i] = (hash[i] + hash[i+6]) % 0x100; ++ } ++ addr [0] &= 0xfe; /* clear multicast bit */ ++ addr [0] |= 0x02; /* set local assignment bit (IEEE802) */ ++#endif + } + + static DEFINE_SPINLOCK(devices_lock);