^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0-only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * The "user cache".
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * (C) Copyright 1991-2000 Linus Torvalds
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) * We have a per-user structure to keep track of how many
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) * processes, files etc the user has claimed, in order to be
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) * able to have per-user limits for system resources.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/sched.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/slab.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/bitops.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <linux/key.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <linux/sched/user.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <linux/interrupt.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include <linux/export.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #include <linux/user_namespace.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #include <linux/proc_ns.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) * userns count is 1 for root user, 1 for init_uts_ns,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) * and 1 for... ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) struct user_namespace init_user_ns = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) .uid_map = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) .nr_extents = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) .extent[0] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) .first = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) .lower_first = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) .count = 4294967295U,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) .gid_map = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) .nr_extents = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) .extent[0] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) .first = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) .lower_first = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) .count = 4294967295U,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) .projid_map = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) .nr_extents = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) .extent[0] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) .first = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) .lower_first = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) .count = 4294967295U,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) .count = ATOMIC_INIT(3),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) .owner = GLOBAL_ROOT_UID,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) .group = GLOBAL_ROOT_GID,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) .ns.inum = PROC_USER_INIT_INO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) #ifdef CONFIG_USER_NS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) .ns.ops = &userns_operations,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) .flags = USERNS_INIT_FLAGS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) #ifdef CONFIG_KEYS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) .keyring_name_list = LIST_HEAD_INIT(init_user_ns.keyring_name_list),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) .keyring_sem = __RWSEM_INITIALIZER(init_user_ns.keyring_sem),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) EXPORT_SYMBOL_GPL(init_user_ns);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) * UID task count cache, to get fast user lookup in "alloc_uid"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) * when changing user ID's (ie setuid() and friends).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) #define UIDHASH_BITS (CONFIG_BASE_SMALL ? 3 : 7)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) #define UIDHASH_SZ (1 << UIDHASH_BITS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) #define UIDHASH_MASK (UIDHASH_SZ - 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) #define __uidhashfn(uid) (((uid >> UIDHASH_BITS) + uid) & UIDHASH_MASK)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) #define uidhashentry(uid) (uidhash_table + __uidhashfn((__kuid_val(uid))))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) static struct kmem_cache *uid_cachep;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) static struct hlist_head uidhash_table[UIDHASH_SZ];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) * The uidhash_lock is mostly taken from process context, but it is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) * occasionally also taken from softirq/tasklet context, when
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) * task-structs get RCU-freed. Hence all locking must be softirq-safe.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) * But free_uid() is also called with local interrupts disabled, and running
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) * local_bh_enable() with local interrupts disabled is an error - we'll run
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) * softirq callbacks, and they can unconditionally enable interrupts, and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) * the caller of free_uid() didn't expect that..
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) static DEFINE_SPINLOCK(uidhash_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) /* root_user.__count is 1, for init task cred */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) struct user_struct root_user = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) .__count = REFCOUNT_INIT(1),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) .processes = ATOMIC_INIT(1),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) .sigpending = ATOMIC_INIT(0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) .locked_shm = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) .uid = GLOBAL_ROOT_UID,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) .ratelimit = RATELIMIT_STATE_INIT(root_user.ratelimit, 0, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) * These routines must be called with the uidhash spinlock held!
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) static void uid_hash_insert(struct user_struct *up, struct hlist_head *hashent)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) hlist_add_head(&up->uidhash_node, hashent);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) static void uid_hash_remove(struct user_struct *up)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) hlist_del_init(&up->uidhash_node);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) static struct user_struct *uid_hash_find(kuid_t uid, struct hlist_head *hashent)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) struct user_struct *user;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) hlist_for_each_entry(user, hashent, uidhash_node) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) if (uid_eq(user->uid, uid)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) refcount_inc(&user->__count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) return user;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) /* IRQs are disabled and uidhash_lock is held upon function entry.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) * IRQ state (as stored in flags) is restored and uidhash_lock released
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) * upon function exit.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) static void free_user(struct user_struct *up, unsigned long flags)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) __releases(&uidhash_lock)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) uid_hash_remove(up);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) spin_unlock_irqrestore(&uidhash_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) kmem_cache_free(uid_cachep, up);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) * Locate the user_struct for the passed UID. If found, take a ref on it. The
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) * caller must undo that ref with free_uid().
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) * If the user_struct could not be found, return NULL.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) struct user_struct *find_user(kuid_t uid)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) struct user_struct *ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) spin_lock_irqsave(&uidhash_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) ret = uid_hash_find(uid, uidhashentry(uid));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) spin_unlock_irqrestore(&uidhash_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) EXPORT_SYMBOL_GPL(find_user);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) void free_uid(struct user_struct *up)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) if (!up)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) if (refcount_dec_and_lock_irqsave(&up->__count, &uidhash_lock, &flags))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) free_user(up, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) EXPORT_SYMBOL_GPL(free_uid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) struct user_struct *alloc_uid(kuid_t uid)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) struct hlist_head *hashent = uidhashentry(uid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) struct user_struct *up, *new;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) spin_lock_irq(&uidhash_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) up = uid_hash_find(uid, hashent);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) spin_unlock_irq(&uidhash_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) if (!up) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) new = kmem_cache_zalloc(uid_cachep, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) if (!new)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) new->uid = uid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) refcount_set(&new->__count, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) ratelimit_state_init(&new->ratelimit, HZ, 100);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) ratelimit_set_flags(&new->ratelimit, RATELIMIT_MSG_ON_RELEASE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) * Before adding this, check whether we raced
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) * on adding the same user already..
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) spin_lock_irq(&uidhash_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) up = uid_hash_find(uid, hashent);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) if (up) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) kmem_cache_free(uid_cachep, new);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) uid_hash_insert(new, hashent);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) up = new;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) spin_unlock_irq(&uidhash_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) return up;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) static int __init uid_cache_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) int n;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) uid_cachep = kmem_cache_create("uid_cache", sizeof(struct user_struct),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) 0, SLAB_HWCACHE_ALIGN|SLAB_PANIC, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) for(n = 0; n < UIDHASH_SZ; ++n)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) INIT_HLIST_HEAD(uidhash_table + n);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) /* Insert the root user immediately (init already runs as root) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) spin_lock_irq(&uidhash_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) uid_hash_insert(&root_user, uidhashentry(GLOBAL_ROOT_UID));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) spin_unlock_irq(&uidhash_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) subsys_initcall(uid_cache_init);
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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