From: Christian Lamparter Date: Sat, 23 Mar 2024 19:34:40 +0000 (+0100) Subject: uml: add 6.6 testing kernel config + patches X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=bfd1fd5da35a420b0c63bc6b47237dd092651cd4;p=openwrt%2Fstaging%2Frmilecki.git uml: add 6.6 testing kernel config + patches apart from refreshes to both config and patches, nothing has changed. Signed-off-by: Christian Lamparter --- diff --git a/target/linux/uml/Makefile b/target/linux/uml/Makefile index d9c2b924b5c..307687ffda0 100644 --- a/target/linux/uml/Makefile +++ b/target/linux/uml/Makefile @@ -14,6 +14,7 @@ BOARDNAME:=User Mode Linux FEATURES:=audio ext4 rootfs-part squashfs KERNEL_PATCHVER:=6.1 +KERNEL_TESTING_PATCHVER:=6.6 include $(INCLUDE_DIR)/target.mk diff --git a/target/linux/uml/config-6.1 b/target/linux/uml/config-6.1 deleted file mode 100644 index da4eaac3ac3..00000000000 --- a/target/linux/uml/config-6.1 +++ /dev/null @@ -1,150 +0,0 @@ -CONFIG_3_LEVEL_PGTABLES=y -CONFIG_64BIT=y -CONFIG_ARCH_DMA_ADDR_T_64BIT=y -CONFIG_ARCH_EPHEMERAL_INODES=y -CONFIG_ARCH_NO_PREEMPT=y -CONFIG_ARCH_SUSPEND_POSSIBLE=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_CDROM=y -# CONFIG_COMMON_CLK is not set -CONFIG_COMPACT_UNEVICTABLE_DEFAULT=1 -# CONFIG_COMPAT_32BIT_TIME is not set -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_CPU_SUP_ZHAOXIN=y -CONFIG_CRC16=y -CONFIG_CRYPTO_CRC32=y -CONFIG_CRYPTO_CRC32C=y -CONFIG_CRYPTO_LIB_BLAKE2S_GENERIC=y -CONFIG_CRYPTO_LIB_POLY1305_RSIZE=11 -CONFIG_CRYPTO_LIB_SHA1=y -CONFIG_CRYPTO_LIB_UTILS=y -CONFIG_CRYPTO_RNG2=y -CONFIG_CRYPTO_SHA1=y -CONFIG_DCACHE_WORD_ACCESS=y -CONFIG_DECOMPRESS_BZIP2=y -CONFIG_DECOMPRESS_GZIP=y -CONFIG_DNOTIFY=y -# CONFIG_EARLY_PRINTK is not set -CONFIG_EXCLUSIVE_SYSTEM_RAM=y -CONFIG_EXT4_FS=y -CONFIG_F2FS_FS=y -CONFIG_FAILOVER=y -CONFIG_FS_IOMAP=y -CONFIG_FS_MBCACHE=y -CONFIG_FW_LOADER_PAGED_BUF=y -CONFIG_FW_LOADER_SYSFS=y -CONFIG_GCC11_NO_ARRAY_BOUNDS=y -CONFIG_GENERIC_CLOCKEVENTS=y -# CONFIG_GENERIC_CPU is not set -CONFIG_GENERIC_CPU_DEVICES=y -CONFIG_GENERIC_IRQ_SHOW=y -CONFIG_GPIO_CDEV=y -CONFIG_HOSTFS=y -CONFIG_HVC_DRIVER=y -CONFIG_HW_RANDOM=y -CONFIG_HZ_PERIODIC=y -CONFIG_IA32_FEAT_CTL=y -CONFIG_INITRAMFS_SOURCE="" -CONFIG_INIT_ENV_ARG_LIMIT=128 -CONFIG_IRQ_WORK=y -CONFIG_ISO9660_FS=y -CONFIG_JBD2=y -# CONFIG_JFFS2_FS is not set -CONFIG_KALLSYMS=y -CONFIG_KERNEL_STACK_ORDER=2 -CONFIG_LOCK_DEBUGGING_SUPPORT=y -# CONFIG_MATOM is not set -CONFIG_MAY_HAVE_RUNTIME_DEPS=y -CONFIG_MCONSOLE=y -# CONFIG_MCORE2 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_NO_DMA=y -CONFIG_NO_IOMEM=y -CONFIG_NO_IOPORT_MAP=y -CONFIG_NR_CPUS=1 -CONFIG_NULL_CHAN=y -# CONFIG_OF is not set -CONFIG_PGTABLE_LEVELS=3 -CONFIG_PHYS_ADDR_T_64BIT=y -CONFIG_PORT_CHAN=y -CONFIG_POSIX_MQUEUE=y -CONFIG_POSIX_MQUEUE_SYSCTL=y -CONFIG_PREEMPT_NONE_BUILD=y -# CONFIG_PROCESSOR_SELECT is not set -CONFIG_PROC_PAGE_MONITOR=y -CONFIG_PTP_1588_CLOCK_OPTIONAL=y -CONFIG_PTY_CHAN=y -CONFIG_RANDSTRUCT_NONE=y -CONFIG_RD_BZIP2=y -CONFIG_RD_GZIP=y -CONFIG_RELAY=y -CONFIG_SG_POOL=y -CONFIG_SOFT_WATCHDOG=m -CONFIG_SRCU=y -CONFIG_SSL=y -CONFIG_SSL_CHAN="pty" -CONFIG_STACKTRACE=y -CONFIG_STDERR_CONSOLE=y -CONFIG_TICK_CPU_ACCOUNTING=y -CONFIG_TINY_SRCU=y -CONFIG_TTY_CHAN=y -CONFIG_UML=y -CONFIG_UML_NET=y -CONFIG_UML_NET_DAEMON=y -CONFIG_UML_NET_DAEMON_DEFAULT_SOCK="/tmp/uml.ctl" -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_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_PCI_OVER_VIRTIO is not set -CONFIG_UML_RANDOM=y -# CONFIG_UML_SOUND is not set -CONFIG_UML_TIME_TRAVEL_SUPPORT=y -# CONFIG_UML_WATCHDOG is not set -CONFIG_UML_X86=y -# CONFIG_USER_NS is not set -CONFIG_VIRTIO=y -CONFIG_VIRTIO_ANCHOR=y -CONFIG_VIRTIO_BLK=y -CONFIG_VIRTIO_CONSOLE=y -CONFIG_VIRTIO_NET=y -CONFIG_VIRTIO_UML=y -CONFIG_VMAP_STACK=y -CONFIG_VM_EVENT_COUNTERS=y -CONFIG_WATCHDOG_CORE=y -CONFIG_X86_64=y -CONFIG_X86_CMOV=y -CONFIG_X86_CMPXCHG64=y -CONFIG_X86_INTEL_USERCOPY=y -CONFIG_X86_INTERNODE_CACHE_SHIFT=6 -CONFIG_X86_L1_CACHE_SHIFT=6 -CONFIG_X86_MINIMUM_CPU_FAMILY=64 -CONFIG_X86_TSC=y -CONFIG_X86_USE_PPRO_CHECKSUM=y -CONFIG_XTERM_CHAN=y -CONFIG_XTERM_CHAN_DEFAULT_EMULATOR="xterm" -CONFIG_ZLIB_INFLATE=y diff --git a/target/linux/uml/config-6.6 b/target/linux/uml/config-6.6 new file mode 100644 index 00000000000..60d1ce0713f --- /dev/null +++ b/target/linux/uml/config-6.6 @@ -0,0 +1,158 @@ +CONFIG_3_LEVEL_PGTABLES=y +CONFIG_64BIT=y +CONFIG_ARCH_DMA_ADDR_T_64BIT=y +CONFIG_ARCH_NO_PREEMPT=y +CONFIG_ARCH_SUSPEND_POSSIBLE=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_BUFFER_HEAD=y +CONFIG_CDROM=y +# CONFIG_COMMON_CLK is not set +CONFIG_COMPACT_UNEVICTABLE_DEFAULT=1 +# CONFIG_COMPAT_32BIT_TIME is not set +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_CPU_SUP_ZHAOXIN=y +CONFIG_CRC16=y +CONFIG_CRYPTO_CRC32=y +CONFIG_CRYPTO_CRC32C=y +CONFIG_CRYPTO_LIB_BLAKE2S_GENERIC=y +CONFIG_CRYPTO_LIB_GF128MUL=y +CONFIG_CRYPTO_LIB_POLY1305_RSIZE=11 +CONFIG_CRYPTO_LIB_SHA1=y +CONFIG_CRYPTO_LIB_UTILS=y +CONFIG_CRYPTO_SHA1=y +CONFIG_DCACHE_WORD_ACCESS=y +CONFIG_DECOMPRESS_BZIP2=y +CONFIG_DECOMPRESS_GZIP=y +CONFIG_DNOTIFY=y +# CONFIG_EARLY_PRINTK is not set +CONFIG_EXCLUSIVE_SYSTEM_RAM=y +CONFIG_EXT4_FS=y +CONFIG_F2FS_FS=y +CONFIG_FAILOVER=y +CONFIG_FS_IOMAP=y +CONFIG_FS_MBCACHE=y +CONFIG_FUNCTION_ALIGNMENT=0 +CONFIG_FW_LOADER_PAGED_BUF=y +CONFIG_FW_LOADER_SYSFS=y +CONFIG_GENERIC_CLOCKEVENTS=y +# CONFIG_GENERIC_CPU is not set +CONFIG_GENERIC_CPU_DEVICES=y +CONFIG_GENERIC_IRQ_SHOW=y +CONFIG_GPIO_CDEV=y +CONFIG_HOSTFS=y +CONFIG_HVC_DRIVER=y +CONFIG_HW_RANDOM=y +CONFIG_HZ_PERIODIC=y +CONFIG_IA32_FEAT_CTL=y +CONFIG_INITRAMFS_SOURCE="" +CONFIG_INIT_ENV_ARG_LIMIT=128 +CONFIG_IRQ_WORK=y +CONFIG_ISO9660_FS=y +CONFIG_JBD2=y +# CONFIG_JFFS2_FS is not set +CONFIG_KALLSYMS=y +CONFIG_KERNEL_STACK_ORDER=2 +CONFIG_LOCK_DEBUGGING_SUPPORT=y +# CONFIG_MATOM is not set +CONFIG_MAY_HAVE_RUNTIME_DEPS=y +CONFIG_MCONSOLE=y +# CONFIG_MCORE2 is not set +CONFIG_MIGRATION=y +CONFIG_MK8=y +# CONFIG_MMAPPER is not set +CONFIG_MMU_LAZY_TLB_REFCOUNT=y +CONFIG_MODULES_USE_ELF_RELA=y +# CONFIG_MPSC is not set +CONFIG_NAMESPACES=y +CONFIG_NEED_PER_CPU_KM=y +CONFIG_NET_EGRESS=y +CONFIG_NET_FAILOVER=y +CONFIG_NET_INGRESS=y +# CONFIG_NET_NS is not set +CONFIG_NET_XGRESS=y +CONFIG_NLS=y +CONFIG_NO_DMA=y +CONFIG_NO_IOMEM=y +CONFIG_NO_IOPORT_MAP=y +CONFIG_NR_CPUS=1 +CONFIG_NULL_CHAN=y +# CONFIG_OF is not set +CONFIG_PAGE_POOL=y +CONFIG_PAGE_SIZE_LESS_THAN_256KB=y +CONFIG_PAGE_SIZE_LESS_THAN_64KB=y +CONFIG_PAHOLE_HAS_LANG_EXCLUDE=y +CONFIG_PGTABLE_LEVELS=3 +CONFIG_PHYS_ADDR_T_64BIT=y +CONFIG_PORT_CHAN=y +CONFIG_POSIX_MQUEUE=y +CONFIG_POSIX_MQUEUE_SYSCTL=y +CONFIG_PREEMPT_NONE_BUILD=y +# CONFIG_PROCESSOR_SELECT is not set +CONFIG_PROC_PAGE_MONITOR=y +CONFIG_PTP_1588_CLOCK_OPTIONAL=y +CONFIG_PTY_CHAN=y +CONFIG_RANDSTRUCT_NONE=y +CONFIG_RD_BZIP2=y +CONFIG_RD_GZIP=y +CONFIG_RELAY=y +CONFIG_SG_POOL=y +CONFIG_SOFT_WATCHDOG=m +CONFIG_SQUASHFS_DECOMP_MULTI_PERCPU=y +CONFIG_SSL=y +CONFIG_SSL_CHAN="pty" +CONFIG_STACKTRACE=y +CONFIG_STDERR_CONSOLE=y +CONFIG_TICK_CPU_ACCOUNTING=y +CONFIG_TINY_SRCU=y +CONFIG_TOOLS_SUPPORT_RELR=y +CONFIG_TTY_CHAN=y +CONFIG_UML=y +CONFIG_UML_NET=y +CONFIG_UML_NET_DAEMON=y +CONFIG_UML_NET_DAEMON_DEFAULT_SOCK="/tmp/uml.ctl" +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_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_PCI_OVER_VIRTIO is not set +CONFIG_UML_RANDOM=y +CONFIG_UML_TIME_TRAVEL_SUPPORT=y +# CONFIG_UML_WATCHDOG is not set +CONFIG_UML_X86=y +# CONFIG_USER_NS is not set +CONFIG_VIRTIO=y +CONFIG_VIRTIO_ANCHOR=y +CONFIG_VIRTIO_BLK=y +CONFIG_VIRTIO_CONSOLE=y +CONFIG_VIRTIO_NET=y +CONFIG_VIRTIO_UML=y +CONFIG_VMAP_STACK=y +CONFIG_VM_EVENT_COUNTERS=y +CONFIG_WATCHDOG_CORE=y +CONFIG_X86_64=y +CONFIG_X86_CMOV=y +CONFIG_X86_CMPXCHG64=y +CONFIG_X86_INTEL_USERCOPY=y +CONFIG_X86_INTERNODE_CACHE_SHIFT=6 +CONFIG_X86_L1_CACHE_SHIFT=6 +CONFIG_X86_MINIMUM_CPU_FAMILY=64 +CONFIG_X86_TSC=y +CONFIG_X86_USE_PPRO_CHECKSUM=y +CONFIG_X86_VMX_FEATURE_NAMES=y +CONFIG_XTERM_CHAN=y +CONFIG_XTERM_CHAN_DEFAULT_EMULATOR="xterm" +CONFIG_ZLIB_INFLATE=y diff --git a/target/linux/uml/patches-6.1/101-mconsole-exec.patch b/target/linux/uml/patches-6.1/101-mconsole-exec.patch deleted file mode 100644 index 2ff9701eb9d..00000000000 --- a/target/linux/uml/patches-6.1/101-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 @@ - * Copyright (C) 2001 - 2008 Jeff Dike (jdike@{addtoit,linux.intel}.com) - */ - -+#include - #include - #include - #include -@@ -27,6 +28,7 @@ - #include - #include - #include -+#include - #include - - #include -@@ -124,6 +126,59 @@ 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 = proc_mnt; -@@ -190,6 +245,7 @@ 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 -@@ -560,6 +560,8 @@ 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 { - 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 -@@ -29,6 +29,7 @@ - #include - #include - #include -+#include - - #include - -@@ -74,6 +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}; -+ } -+ - /* - * Initial kernel threads share ther FS with init, in order to - * get the init root directory. But we've now created a new -@@ -333,6 +356,20 @@ 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-6.1/102-pseudo-random-mac.patch b/target/linux/uml/patches-6.1/102-pseudo-random-mac.patch deleted file mode 100644 index d2dc7516e66..00000000000 --- a/target/linux/uml/patches-6.1/102-pseudo-random-mac.patch +++ /dev/null @@ -1,151 +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/drivers/Kconfig -+++ b/arch/um/drivers/Kconfig -@@ -143,6 +143,20 @@ 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 (obsolete)" - 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); -@@ -274,9 +282,55 @@ static const struct ethtool_ops uml_net_ - .get_ts_info = ethtool_op_get_ts_info, - }; - -+#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 = NULL; -+ struct crypto_ahash *tfm = NULL; -+ struct scatterlist sg; -+ char *vmif = NULL; -+ int ret = -ENOMEM; -+ -+ vmif = kmalloc(1024, GFP_KERNEL); -+ if (!vmif) -+ goto out; -+ -+ strcpy (vmif, umid); -+ strcat (vmif, ifname); -+ -+ tfm = crypto_alloc_ahash("sha1", 0, CRYPTO_ALG_ASYNC); -+ if (IS_ERR(tfm)) -+ goto out; -+ -+ desc = ahash_request_alloc(tfm, GFP_KERNEL); -+ if (!desc) -+ 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); -+ ahash_request_free(desc); -+ kfree(vmif); -+ -+ return ret; -+} -+ -+#endif -+ - void uml_net_setup_etheraddr(struct net_device *dev, char *str) - { - u8 addr[ETH_ALEN]; -+ u8 hash[SHA1_DIGEST_SIZE]; - char *end; - int i; - -@@ -320,9 +374,26 @@ 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); -+ eth_random_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); ---- a/kernel/umh.c -+++ b/kernel/umh.c -@@ -357,12 +357,12 @@ static void helper_unlock(void) - } - - int call_usermodehelper_stdoutpipe(struct subprocess_info *sub_info, -- struct file **filp) -+ struct file **filp) - { - struct file *f[2]; - - if (create_pipe_files(f, 0) < 0) -- return PTR_ERR(f); -+ return PTR_ERR(f); - - sub_info->stdout = f[1]; - *filp = f[0]; diff --git a/target/linux/uml/patches-6.6/101-mconsole-exec.patch b/target/linux/uml/patches-6.6/101-mconsole-exec.patch new file mode 100644 index 00000000000..0afd777836b --- /dev/null +++ b/target/linux/uml/patches-6.6/101-mconsole-exec.patch @@ -0,0 +1,213 @@ +# +# 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 +@@ -27,6 +28,7 @@ + #include + #include + #include ++#include + #include + + #include +@@ -124,6 +126,59 @@ 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 = proc_mnt; +@@ -190,6 +245,7 @@ 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 +@@ -560,6 +560,8 @@ 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 { + 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 +@@ -29,6 +29,7 @@ + #include + #include + #include ++#include + + #include + +@@ -71,6 +72,28 @@ 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}; ++ } ++ + /* + * Initial kernel threads share ther FS with init, in order to + * get the init root directory. But we've now created a new +@@ -330,6 +353,20 @@ 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-6.6/102-pseudo-random-mac.patch b/target/linux/uml/patches-6.6/102-pseudo-random-mac.patch new file mode 100644 index 00000000000..2b42459fe8e --- /dev/null +++ b/target/linux/uml/patches-6.6/102-pseudo-random-mac.patch @@ -0,0 +1,151 @@ +=============================================================================== + +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 +@@ -143,6 +143,20 @@ 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 (obsolete)" + 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); +@@ -274,9 +282,55 @@ static const struct ethtool_ops uml_net_ + .get_ts_info = ethtool_op_get_ts_info, + }; + ++#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 = NULL; ++ struct crypto_ahash *tfm = NULL; ++ struct scatterlist sg; ++ char *vmif = NULL; ++ int ret = -ENOMEM; ++ ++ vmif = kmalloc(1024, GFP_KERNEL); ++ if (!vmif) ++ goto out; ++ ++ strcpy (vmif, umid); ++ strcat (vmif, ifname); ++ ++ tfm = crypto_alloc_ahash("sha1", 0, CRYPTO_ALG_ASYNC); ++ if (IS_ERR(tfm)) ++ goto out; ++ ++ desc = ahash_request_alloc(tfm, GFP_KERNEL); ++ if (!desc) ++ 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); ++ ahash_request_free(desc); ++ kfree(vmif); ++ ++ return ret; ++} ++ ++#endif ++ + void uml_net_setup_etheraddr(struct net_device *dev, char *str) + { + u8 addr[ETH_ALEN]; ++ u8 hash[SHA1_DIGEST_SIZE]; + char *end; + int i; + +@@ -320,9 +374,26 @@ 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); ++ eth_random_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); +--- a/kernel/umh.c ++++ b/kernel/umh.c +@@ -354,12 +354,12 @@ static void helper_unlock(void) + } + + int call_usermodehelper_stdoutpipe(struct subprocess_info *sub_info, +- struct file **filp) ++ struct file **filp) + { + struct file *f[2]; + + if (create_pipe_files(f, 0) < 0) +- return PTR_ERR(f); ++ return PTR_ERR(f); + + sub_info->stdout = f[1]; + *filp = f[0];