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-rw-r--r--fs/proc/array.c189
-rw-r--r--fs/proc/base.c54
-rw-r--r--fs/proc/generic.c2
-rw-r--r--fs/proc/meminfo.c211
-rw-r--r--fs/proc/proc_net.c13
-rw-r--r--fs/proc/proc_sysctl.c19
-rw-r--r--fs/proc/stat.c49
-rw-r--r--fs/proc/task_mmu.c10
8 files changed, 281 insertions, 266 deletions
diff --git a/fs/proc/array.c b/fs/proc/array.c
index 88c7de12197b..89600fd5963d 100644
--- a/fs/proc/array.c
+++ b/fs/proc/array.c
@@ -186,51 +186,45 @@ static inline void task_state(struct seq_file *m, struct pid_namespace *ns,
task_unlock(p);
rcu_read_unlock();
- seq_printf(m,
- "State:\t%s\n"
- "Tgid:\t%d\n"
- "Ngid:\t%d\n"
- "Pid:\t%d\n"
- "PPid:\t%d\n"
- "TracerPid:\t%d\n"
- "Uid:\t%d\t%d\t%d\t%d\n"
- "Gid:\t%d\t%d\t%d\t%d\n"
- "FDSize:\t%d\nGroups:\t",
- get_task_state(p),
- tgid, ngid, pid_nr_ns(pid, ns), ppid, tpid,
- from_kuid_munged(user_ns, cred->uid),
- from_kuid_munged(user_ns, cred->euid),
- from_kuid_munged(user_ns, cred->suid),
- from_kuid_munged(user_ns, cred->fsuid),
- from_kgid_munged(user_ns, cred->gid),
- from_kgid_munged(user_ns, cred->egid),
- from_kgid_munged(user_ns, cred->sgid),
- from_kgid_munged(user_ns, cred->fsgid),
- max_fds);
-
+ seq_printf(m, "State:\t%s", get_task_state(p));
+
+ seq_put_decimal_ull(m, "\nTgid:\t", tgid);
+ seq_put_decimal_ull(m, "\nNgid:\t", ngid);
+ seq_put_decimal_ull(m, "\nPid:\t", pid_nr_ns(pid, ns));
+ seq_put_decimal_ull(m, "\nPPid:\t", ppid);
+ seq_put_decimal_ull(m, "\nTracerPid:\t", tpid);
+ seq_put_decimal_ull(m, "\nUid:\t", from_kuid_munged(user_ns, cred->uid));
+ seq_put_decimal_ull(m, "\t", from_kuid_munged(user_ns, cred->euid));
+ seq_put_decimal_ull(m, "\t", from_kuid_munged(user_ns, cred->suid));
+ seq_put_decimal_ull(m, "\t", from_kuid_munged(user_ns, cred->fsuid));
+ seq_put_decimal_ull(m, "\nGid:\t", from_kgid_munged(user_ns, cred->gid));
+ seq_put_decimal_ull(m, "\t", from_kgid_munged(user_ns, cred->egid));
+ seq_put_decimal_ull(m, "\t", from_kgid_munged(user_ns, cred->sgid));
+ seq_put_decimal_ull(m, "\t", from_kgid_munged(user_ns, cred->fsgid));
+ seq_put_decimal_ull(m, "\nFDSize:\t", max_fds);
+
+ seq_puts(m, "\nGroups:\t");
group_info = cred->group_info;
for (g = 0; g < group_info->ngroups; g++)
- seq_printf(m, "%d ",
- from_kgid_munged(user_ns, GROUP_AT(group_info, g)));
+ seq_put_decimal_ull(m, g ? " " : "",
+ from_kgid_munged(user_ns, group_info->gid[g]));
put_cred(cred);
+ /* Trailing space shouldn't have been added in the first place. */
+ seq_putc(m, ' ');
#ifdef CONFIG_PID_NS
seq_puts(m, "\nNStgid:");
for (g = ns->level; g <= pid->level; g++)
- seq_printf(m, "\t%d",
- task_tgid_nr_ns(p, pid->numbers[g].ns));
+ seq_put_decimal_ull(m, "\t", task_tgid_nr_ns(p, pid->numbers[g].ns));
seq_puts(m, "\nNSpid:");
for (g = ns->level; g <= pid->level; g++)
- seq_printf(m, "\t%d",
- task_pid_nr_ns(p, pid->numbers[g].ns));
+ seq_put_decimal_ull(m, "\t", task_pid_nr_ns(p, pid->numbers[g].ns));
seq_puts(m, "\nNSpgid:");
for (g = ns->level; g <= pid->level; g++)
- seq_printf(m, "\t%d",
- task_pgrp_nr_ns(p, pid->numbers[g].ns));
+ seq_put_decimal_ull(m, "\t", task_pgrp_nr_ns(p, pid->numbers[g].ns));
seq_puts(m, "\nNSsid:");
for (g = ns->level; g <= pid->level; g++)
- seq_printf(m, "\t%d",
- task_session_nr_ns(p, pid->numbers[g].ns));
+ seq_put_decimal_ull(m, "\t", task_session_nr_ns(p, pid->numbers[g].ns));
#endif
seq_putc(m, '\n');
}
@@ -299,11 +293,12 @@ static inline void task_sig(struct seq_file *m, struct task_struct *p)
unlock_task_sighand(p, &flags);
}
- seq_printf(m, "Threads:\t%d\n", num_threads);
- seq_printf(m, "SigQ:\t%lu/%lu\n", qsize, qlim);
+ seq_put_decimal_ull(m, "Threads:\t", num_threads);
+ seq_put_decimal_ull(m, "\nSigQ:\t", qsize);
+ seq_put_decimal_ull(m, "/", qlim);
/* render them all */
- render_sigset_t(m, "SigPnd:\t", &pending);
+ render_sigset_t(m, "\nSigPnd:\t", &pending);
render_sigset_t(m, "ShdPnd:\t", &shpending);
render_sigset_t(m, "SigBlk:\t", &blocked);
render_sigset_t(m, "SigIgn:\t", &ignored);
@@ -348,17 +343,17 @@ static inline void task_cap(struct seq_file *m, struct task_struct *p)
static inline void task_seccomp(struct seq_file *m, struct task_struct *p)
{
#ifdef CONFIG_SECCOMP
- seq_printf(m, "Seccomp:\t%d\n", p->seccomp.mode);
+ seq_put_decimal_ull(m, "Seccomp:\t", p->seccomp.mode);
+ seq_putc(m, '\n');
#endif
}
static inline void task_context_switch_counts(struct seq_file *m,
struct task_struct *p)
{
- seq_printf(m, "voluntary_ctxt_switches:\t%lu\n"
- "nonvoluntary_ctxt_switches:\t%lu\n",
- p->nvcsw,
- p->nivcsw);
+ seq_put_decimal_ull(m, "voluntary_ctxt_switches:\t", p->nvcsw);
+ seq_put_decimal_ull(m, "\nnonvoluntary_ctxt_switches:\t", p->nivcsw);
+ seq_putc(m, '\n');
}
static void task_cpus_allowed(struct seq_file *m, struct task_struct *task)
@@ -490,41 +485,41 @@ static int do_task_stat(struct seq_file *m, struct pid_namespace *ns,
start_time = nsec_to_clock_t(task->real_start_time);
seq_printf(m, "%d (%s) %c", pid_nr_ns(pid, ns), tcomm, state);
- seq_put_decimal_ll(m, ' ', ppid);
- seq_put_decimal_ll(m, ' ', pgid);
- seq_put_decimal_ll(m, ' ', sid);
- seq_put_decimal_ll(m, ' ', tty_nr);
- seq_put_decimal_ll(m, ' ', tty_pgrp);
- seq_put_decimal_ull(m, ' ', task->flags);
- seq_put_decimal_ull(m, ' ', min_flt);
- seq_put_decimal_ull(m, ' ', cmin_flt);
- seq_put_decimal_ull(m, ' ', maj_flt);
- seq_put_decimal_ull(m, ' ', cmaj_flt);
- seq_put_decimal_ull(m, ' ', cputime_to_clock_t(utime));
- seq_put_decimal_ull(m, ' ', cputime_to_clock_t(stime));
- seq_put_decimal_ll(m, ' ', cputime_to_clock_t(cutime));
- seq_put_decimal_ll(m, ' ', cputime_to_clock_t(cstime));
- seq_put_decimal_ll(m, ' ', priority);
- seq_put_decimal_ll(m, ' ', nice);
- seq_put_decimal_ll(m, ' ', num_threads);
- seq_put_decimal_ull(m, ' ', 0);
- seq_put_decimal_ull(m, ' ', start_time);
- seq_put_decimal_ull(m, ' ', vsize);
- seq_put_decimal_ull(m, ' ', mm ? get_mm_rss(mm) : 0);
- seq_put_decimal_ull(m, ' ', rsslim);
- seq_put_decimal_ull(m, ' ', mm ? (permitted ? mm->start_code : 1) : 0);
- seq_put_decimal_ull(m, ' ', mm ? (permitted ? mm->end_code : 1) : 0);
- seq_put_decimal_ull(m, ' ', (permitted && mm) ? mm->start_stack : 0);
- seq_put_decimal_ull(m, ' ', esp);
- seq_put_decimal_ull(m, ' ', eip);
+ seq_put_decimal_ll(m, " ", ppid);
+ seq_put_decimal_ll(m, " ", pgid);
+ seq_put_decimal_ll(m, " ", sid);
+ seq_put_decimal_ll(m, " ", tty_nr);
+ seq_put_decimal_ll(m, " ", tty_pgrp);
+ seq_put_decimal_ull(m, " ", task->flags);
+ seq_put_decimal_ull(m, " ", min_flt);
+ seq_put_decimal_ull(m, " ", cmin_flt);
+ seq_put_decimal_ull(m, " ", maj_flt);
+ seq_put_decimal_ull(m, " ", cmaj_flt);
+ seq_put_decimal_ull(m, " ", cputime_to_clock_t(utime));
+ seq_put_decimal_ull(m, " ", cputime_to_clock_t(stime));
+ seq_put_decimal_ll(m, " ", cputime_to_clock_t(cutime));
+ seq_put_decimal_ll(m, " ", cputime_to_clock_t(cstime));
+ seq_put_decimal_ll(m, " ", priority);
+ seq_put_decimal_ll(m, " ", nice);
+ seq_put_decimal_ll(m, " ", num_threads);
+ seq_put_decimal_ull(m, " ", 0);
+ seq_put_decimal_ull(m, " ", start_time);
+ seq_put_decimal_ull(m, " ", vsize);
+ seq_put_decimal_ull(m, " ", mm ? get_mm_rss(mm) : 0);
+ seq_put_decimal_ull(m, " ", rsslim);
+ seq_put_decimal_ull(m, " ", mm ? (permitted ? mm->start_code : 1) : 0);
+ seq_put_decimal_ull(m, " ", mm ? (permitted ? mm->end_code : 1) : 0);
+ seq_put_decimal_ull(m, " ", (permitted && mm) ? mm->start_stack : 0);
+ seq_put_decimal_ull(m, " ", esp);
+ seq_put_decimal_ull(m, " ", eip);
/* The signal information here is obsolete.
* It must be decimal for Linux 2.0 compatibility.
* Use /proc/#/status for real-time signals.
*/
- seq_put_decimal_ull(m, ' ', task->pending.signal.sig[0] & 0x7fffffffUL);
- seq_put_decimal_ull(m, ' ', task->blocked.sig[0] & 0x7fffffffUL);
- seq_put_decimal_ull(m, ' ', sigign.sig[0] & 0x7fffffffUL);
- seq_put_decimal_ull(m, ' ', sigcatch.sig[0] & 0x7fffffffUL);
+ seq_put_decimal_ull(m, " ", task->pending.signal.sig[0] & 0x7fffffffUL);
+ seq_put_decimal_ull(m, " ", task->blocked.sig[0] & 0x7fffffffUL);
+ seq_put_decimal_ull(m, " ", sigign.sig[0] & 0x7fffffffUL);
+ seq_put_decimal_ull(m, " ", sigcatch.sig[0] & 0x7fffffffUL);
/*
* We used to output the absolute kernel address, but that's an
@@ -538,31 +533,31 @@ static int do_task_stat(struct seq_file *m, struct pid_namespace *ns,
else
seq_puts(m, " 0");
- seq_put_decimal_ull(m, ' ', 0);
- seq_put_decimal_ull(m, ' ', 0);
- seq_put_decimal_ll(m, ' ', task->exit_signal);
- seq_put_decimal_ll(m, ' ', task_cpu(task));
- seq_put_decimal_ull(m, ' ', task->rt_priority);
- seq_put_decimal_ull(m, ' ', task->policy);
- seq_put_decimal_ull(m, ' ', delayacct_blkio_ticks(task));
- seq_put_decimal_ull(m, ' ', cputime_to_clock_t(gtime));
- seq_put_decimal_ll(m, ' ', cputime_to_clock_t(cgtime));
+ seq_put_decimal_ull(m, " ", 0);
+ seq_put_decimal_ull(m, " ", 0);
+ seq_put_decimal_ll(m, " ", task->exit_signal);
+ seq_put_decimal_ll(m, " ", task_cpu(task));
+ seq_put_decimal_ull(m, " ", task->rt_priority);
+ seq_put_decimal_ull(m, " ", task->policy);
+ seq_put_decimal_ull(m, " ", delayacct_blkio_ticks(task));
+ seq_put_decimal_ull(m, " ", cputime_to_clock_t(gtime));
+ seq_put_decimal_ll(m, " ", cputime_to_clock_t(cgtime));
if (mm && permitted) {
- seq_put_decimal_ull(m, ' ', mm->start_data);
- seq_put_decimal_ull(m, ' ', mm->end_data);
- seq_put_decimal_ull(m, ' ', mm->start_brk);
- seq_put_decimal_ull(m, ' ', mm->arg_start);
- seq_put_decimal_ull(m, ' ', mm->arg_end);
- seq_put_decimal_ull(m, ' ', mm->env_start);
- seq_put_decimal_ull(m, ' ', mm->env_end);
+ seq_put_decimal_ull(m, " ", mm->start_data);
+ seq_put_decimal_ull(m, " ", mm->end_data);
+ seq_put_decimal_ull(m, " ", mm->start_brk);
+ seq_put_decimal_ull(m, " ", mm->arg_start);
+ seq_put_decimal_ull(m, " ", mm->arg_end);
+ seq_put_decimal_ull(m, " ", mm->env_start);
+ seq_put_decimal_ull(m, " ", mm->env_end);
} else
- seq_printf(m, " 0 0 0 0 0 0 0");
+ seq_puts(m, " 0 0 0 0 0 0 0");
if (permitted)
- seq_put_decimal_ll(m, ' ', task->exit_code);
+ seq_put_decimal_ll(m, " ", task->exit_code);
else
- seq_put_decimal_ll(m, ' ', 0);
+ seq_puts(m, " 0");
seq_putc(m, '\n');
if (mm)
@@ -598,13 +593,13 @@ int proc_pid_statm(struct seq_file *m, struct pid_namespace *ns,
* seq_printf(m, "%lu %lu %lu %lu 0 %lu 0\n",
* size, resident, shared, text, data);
*/
- seq_put_decimal_ull(m, 0, size);
- seq_put_decimal_ull(m, ' ', resident);
- seq_put_decimal_ull(m, ' ', shared);
- seq_put_decimal_ull(m, ' ', text);
- seq_put_decimal_ull(m, ' ', 0);
- seq_put_decimal_ull(m, ' ', data);
- seq_put_decimal_ull(m, ' ', 0);
+ seq_put_decimal_ull(m, "", size);
+ seq_put_decimal_ull(m, " ", resident);
+ seq_put_decimal_ull(m, " ", shared);
+ seq_put_decimal_ull(m, " ", text);
+ seq_put_decimal_ull(m, " ", 0);
+ seq_put_decimal_ull(m, " ", data);
+ seq_put_decimal_ull(m, " ", 0);
seq_putc(m, '\n');
return 0;
diff --git a/fs/proc/base.c b/fs/proc/base.c
index 09f0f173821a..29fd7ef97be9 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -466,7 +466,7 @@ static int proc_pid_stack(struct seq_file *m, struct pid_namespace *ns,
save_stack_trace_tsk(task, &trace);
for (i = 0; i < trace.nr_entries; i++) {
- seq_printf(m, "[<%pK>] %pS\n",
+ seq_printf(m, "[<%pK>] %pB\n",
(void *)entries[i], (void *)entries[i]);
}
unlock_trace(task);
@@ -2287,16 +2287,27 @@ static ssize_t timerslack_ns_write(struct file *file, const char __user *buf,
if (!p)
return -ESRCH;
- if (ptrace_may_access(p, PTRACE_MODE_ATTACH_FSCREDS)) {
- task_lock(p);
- if (slack_ns == 0)
- p->timer_slack_ns = p->default_timer_slack_ns;
- else
- p->timer_slack_ns = slack_ns;
- task_unlock(p);
- } else
- count = -EPERM;
+ if (p != current) {
+ if (!capable(CAP_SYS_NICE)) {
+ count = -EPERM;
+ goto out;
+ }
+
+ err = security_task_setscheduler(p);
+ if (err) {
+ count = err;
+ goto out;
+ }
+ }
+
+ task_lock(p);
+ if (slack_ns == 0)
+ p->timer_slack_ns = p->default_timer_slack_ns;
+ else
+ p->timer_slack_ns = slack_ns;
+ task_unlock(p);
+out:
put_task_struct(p);
return count;
@@ -2306,19 +2317,28 @@ static int timerslack_ns_show(struct seq_file *m, void *v)
{
struct inode *inode = m->private;
struct task_struct *p;
- int err = 0;
+ int err = 0;
p = get_proc_task(inode);
if (!p)
return -ESRCH;
- if (ptrace_may_access(p, PTRACE_MODE_ATTACH_FSCREDS)) {
- task_lock(p);
- seq_printf(m, "%llu\n", p->timer_slack_ns);
- task_unlock(p);
- } else
- err = -EPERM;
+ if (p != current) {
+
+ if (!capable(CAP_SYS_NICE)) {
+ err = -EPERM;
+ goto out;
+ }
+ err = security_task_getscheduler(p);
+ if (err)
+ goto out;
+ }
+ task_lock(p);
+ seq_printf(m, "%llu\n", p->timer_slack_ns);
+ task_unlock(p);
+
+out:
put_task_struct(p);
return err;
diff --git a/fs/proc/generic.c b/fs/proc/generic.c
index 23ff30e3c1e7..5f2dc2032c79 100644
--- a/fs/proc/generic.c
+++ b/fs/proc/generic.c
@@ -390,6 +390,8 @@ static struct proc_dir_entry *__proc_create(struct proc_dir_entry **parent,
atomic_set(&ent->count, 1);
spin_lock_init(&ent->pde_unload_lock);
INIT_LIST_HEAD(&ent->pde_openers);
+ proc_set_user(ent, (*parent)->uid, (*parent)->gid);
+
out:
return ent;
}
diff --git a/fs/proc/meminfo.c b/fs/proc/meminfo.c
index b9a8c813e5e6..8a428498d6b2 100644
--- a/fs/proc/meminfo.c
+++ b/fs/proc/meminfo.c
@@ -23,6 +23,25 @@ void __attribute__((weak)) arch_report_meminfo(struct seq_file *m)
{
}
+static void show_val_kb(struct seq_file *m, const char *s, unsigned long num)
+{
+ char v[32];
+ static const char blanks[7] = {' ', ' ', ' ', ' ',' ', ' ', ' '};
+ int len;
+
+ len = num_to_str(v, sizeof(v), num << (PAGE_SHIFT - 10));
+
+ seq_write(m, s, 16);
+
+ if (len > 0) {
+ if (len < 8)
+ seq_write(m, blanks, 8 - len);
+
+ seq_write(m, v, len);
+ }
+ seq_write(m, " kB\n", 4);
+}
+
static int meminfo_proc_show(struct seq_file *m, void *v)
{
struct sysinfo i;
@@ -32,10 +51,6 @@ static int meminfo_proc_show(struct seq_file *m, void *v)
unsigned long pages[NR_LRU_LISTS];
int lru;
-/*
- * display in kilobytes.
- */
-#define K(x) ((x) << (PAGE_SHIFT - 10))
si_meminfo(&i);
si_swapinfo(&i);
committed = percpu_counter_read_positive(&vm_committed_as);
@@ -50,136 +65,100 @@ static int meminfo_proc_show(struct seq_file *m, void *v)
available = si_mem_available();
- /*
- * Tagged format, for easy grepping and expansion.
- */
- seq_printf(m,
- "MemTotal: %8lu kB\n"
- "MemFree: %8lu kB\n"
- "MemAvailable: %8lu kB\n"
- "Buffers: %8lu kB\n"
- "Cached: %8lu kB\n"
- "SwapCached: %8lu kB\n"
- "Active: %8lu kB\n"
- "Inactive: %8lu kB\n"
- "Active(anon): %8lu kB\n"
- "Inactive(anon): %8lu kB\n"
- "Active(file): %8lu kB\n"
- "Inactive(file): %8lu kB\n"
- "Unevictable: %8lu kB\n"
- "Mlocked: %8lu kB\n"
-#ifdef CONFIG_HIGHMEM
- "HighTotal: %8lu kB\n"
- "HighFree: %8lu kB\n"
- "LowTotal: %8lu kB\n"
- "LowFree: %8lu kB\n"
-#endif
-#ifndef CONFIG_MMU
- "MmapCopy: %8lu kB\n"
-#endif
- "SwapTotal: %8lu kB\n"
- "SwapFree: %8lu kB\n"
- "Dirty: %8lu kB\n"
- "Writeback: %8lu kB\n"
- "AnonPages: %8lu kB\n"
- "Mapped: %8lu kB\n"
- "Shmem: %8lu kB\n"
- "Slab: %8lu kB\n"
- "SReclaimable: %8lu kB\n"
- "SUnreclaim: %8lu kB\n"
- "KernelStack: %8lu kB\n"
- "PageTables: %8lu kB\n"
-#ifdef CONFIG_QUICKLIST
- "Quicklists: %8lu kB\n"
-#endif
- "NFS_Unstable: %8lu kB\n"
- "Bounce: %8lu kB\n"
- "WritebackTmp: %8lu kB\n"
- "CommitLimit: %8lu kB\n"
- "Committed_AS: %8lu kB\n"
- "VmallocTotal: %8lu kB\n"
- "VmallocUsed: %8lu kB\n"
- "VmallocChunk: %8lu kB\n"
-#ifdef CONFIG_MEMORY_FAILURE
- "HardwareCorrupted: %5lu kB\n"
-#endif
-#ifdef CONFIG_TRANSPARENT_HUGEPAGE
- "AnonHugePages: %8lu kB\n"
- "ShmemHugePages: %8lu kB\n"
- "ShmemPmdMapped: %8lu kB\n"
-#endif
-#ifdef CONFIG_CMA
- "CmaTotal: %8lu kB\n"
- "CmaFree: %8lu kB\n"
-#endif
- ,
- K(i.totalram),
- K(i.freeram),
- K(available),
- K(i.bufferram),
- K(cached),
- K(total_swapcache_pages()),
- K(pages[LRU_ACTIVE_ANON] + pages[LRU_ACTIVE_FILE]),
- K(pages[LRU_INACTIVE_ANON] + pages[LRU_INACTIVE_FILE]),
- K(pages[LRU_ACTIVE_ANON]),
- K(pages[LRU_INACTIVE_ANON]),
- K(pages[LRU_ACTIVE_FILE]),
- K(pages[LRU_INACTIVE_FILE]),
- K(pages[LRU_UNEVICTABLE]),
- K(global_page_state(NR_MLOCK)),
+ show_val_kb(m, "MemTotal: ", i.totalram);
+ show_val_kb(m, "MemFree: ", i.freeram);
+ show_val_kb(m, "MemAvailable: ", available);
+ show_val_kb(m, "Buffers: ", i.bufferram);
+ show_val_kb(m, "Cached: ", cached);
+ show_val_kb(m, "SwapCached: ", total_swapcache_pages());
+ show_val_kb(m, "Active: ", pages[LRU_ACTIVE_ANON] +
+ pages[LRU_ACTIVE_FILE]);
+ show_val_kb(m, "Inactive: ", pages[LRU_INACTIVE_ANON] +
+ pages[LRU_INACTIVE_FILE]);
+ show_val_kb(m, "Active(anon): ", pages[LRU_ACTIVE_ANON]);
+ show_val_kb(m, "Inactive(anon): ", pages[LRU_INACTIVE_ANON]);
+ show_val_kb(m, "Active(file): ", pages[LRU_ACTIVE_FILE]);
+ show_val_kb(m, "Inactive(file): ", pages[LRU_INACTIVE_FILE]);
+ show_val_kb(m, "Unevictable: ", pages[LRU_UNEVICTABLE]);
+ show_val_kb(m, "Mlocked: ", global_page_state(NR_MLOCK));
+
#ifdef CONFIG_HIGHMEM
- K(i.totalhigh),
- K(i.freehigh),
- K(i.totalram-i.totalhigh),
- K(i.freeram-i.freehigh),
+ show_val_kb(m, "HighTotal: ", i.totalhigh);
+ show_val_kb(m, "HighFree: ", i.freehigh);
+ show_val_kb(m, "LowTotal: ", i.totalram - i.totalhigh);
+ show_val_kb(m, "LowFree: ", i.freeram - i.freehigh);
#endif
+
#ifndef CONFIG_MMU
- K((unsigned long) atomic_long_read(&mmap_pages_allocated)),
+ show_val_kb(m, "MmapCopy: ",
+ (unsigned long)atomic_long_read(&mmap_pages_allocated));
#endif
- K(i.totalswap),
- K(i.freeswap),
- K(global_node_page_state(NR_FILE_DIRTY)),
- K(global_node_page_state(NR_WRITEBACK)),
- K(global_node_page_state(NR_ANON_MAPPED)),
- K(global_node_page_state(NR_FILE_MAPPED)),
- K(i.sharedram),
- K(global_page_state(NR_SLAB_RECLAIMABLE) +
- global_page_state(NR_SLAB_UNRECLAIMABLE)),
- K(global_page_state(NR_SLAB_RECLAIMABLE)),
- K(global_page_state(NR_SLAB_UNRECLAIMABLE)),
- global_page_state(NR_KERNEL_STACK_KB),
- K(global_page_state(NR_PAGETABLE)),
+
+ show_val_kb(m, "SwapTotal: ", i.totalswap);
+ show_val_kb(m, "SwapFree: ", i.freeswap);
+ show_val_kb(m, "Dirty: ",
+ global_node_page_state(NR_FILE_DIRTY));
+ show_val_kb(m, "Writeback: ",
+ global_node_page_state(NR_WRITEBACK));
+ show_val_kb(m, "AnonPages: ",
+ global_node_page_state(NR_ANON_MAPPED));
+ show_val_kb(m, "Mapped: ",
+ global_node_page_state(NR_FILE_MAPPED));
+ show_val_kb(m, "Shmem: ", i.sharedram);
+ show_val_kb(m, "Slab: ",
+ global_page_state(NR_SLAB_RECLAIMABLE) +
+ global_page_state(NR_SLAB_UNRECLAIMABLE));
+
+ show_val_kb(m, "SReclaimable: ",
+ global_page_state(NR_SLAB_RECLAIMABLE));
+ show_val_kb(m, "SUnreclaim: ",
+ global_page_state(NR_SLAB_UNRECLAIMABLE));
+ seq_printf(m, "KernelStack: %8lu kB\n",
+ global_page_state(NR_KERNEL_STACK_KB));
+ show_val_kb(m, "PageTables: ",
+ global_page_state(NR_PAGETABLE));
#ifdef CONFIG_QUICKLIST
- K(quicklist_total_size()),
+ show_val_kb(m, "Quicklists: ", quicklist_total_size());
#endif
- K(global_node_page_state(NR_UNSTABLE_NFS)),
- K(global_page_state(NR_BOUNCE)),
- K(global_node_page_state(NR_WRITEBACK_TEMP)),
- K(vm_commit_limit()),
- K(committed),
- (unsigned long)VMALLOC_TOTAL >> 10,
- 0ul, // used to be vmalloc 'used'
- 0ul // used to be vmalloc 'largest_chunk'
+
+ show_val_kb(m, "NFS_Unstable: ",
+ global_node_page_state(NR_UNSTABLE_NFS));
+ show_val_kb(m, "Bounce: ",
+ global_page_state(NR_BOUNCE));
+ show_val_kb(m, "WritebackTmp: ",
+ global_node_page_state(NR_WRITEBACK_TEMP));
+ show_val_kb(m, "CommitLimit: ", vm_commit_limit());
+ show_val_kb(m, "Committed_AS: ", committed);
+ seq_printf(m, "VmallocTotal: %8lu kB\n",
+ (unsigned long)VMALLOC_TOTAL >> 10);
+ show_val_kb(m, "VmallocUsed: ", 0ul);
+ show_val_kb(m, "VmallocChunk: ", 0ul);
+
#ifdef CONFIG_MEMORY_FAILURE
- , atomic_long_read(&num_poisoned_pages) << (PAGE_SHIFT - 10)
+ seq_printf(m, "HardwareCorrupted: %5lu kB\n",
+ atomic_long_read(&num_poisoned_pages) << (PAGE_SHIFT - 10));
#endif
+
#ifdef CONFIG_TRANSPARENT_HUGEPAGE
- , K(global_node_page_state(NR_ANON_THPS) * HPAGE_PMD_NR)
- , K(global_node_page_state(NR_SHMEM_THPS) * HPAGE_PMD_NR)
- , K(global_node_page_state(NR_SHMEM_PMDMAPPED) * HPAGE_PMD_NR)
+ show_val_kb(m, "AnonHugePages: ",
+ global_node_page_state(NR_ANON_THPS) * HPAGE_PMD_NR);
+ show_val_kb(m, "ShmemHugePages: ",
+ global_node_page_state(NR_SHMEM_THPS) * HPAGE_PMD_NR);
+ show_val_kb(m, "ShmemPmdMapped: ",
+ global_node_page_state(NR_SHMEM_PMDMAPPED) * HPAGE_PMD_NR);
#endif
+
#ifdef CONFIG_CMA
- , K(totalcma_pages)
- , K(global_page_state(NR_FREE_CMA_PAGES))
+ show_val_kb(m, "CmaTotal: ", totalcma_pages);
+ show_val_kb(m, "CmaFree: ",
+ global_page_state(NR_FREE_CMA_PAGES));
#endif
- );
hugetlb_report_meminfo(m);
arch_report_meminfo(m);
return 0;
-#undef K
}
static int meminfo_proc_open(struct inode *inode, struct file *file)
diff --git a/fs/proc/proc_net.c b/fs/proc/proc_net.c
index c8bbc68cdb05..7ae6b1da7cab 100644
--- a/fs/proc/proc_net.c
+++ b/fs/proc/proc_net.c
@@ -21,6 +21,7 @@
#include <linux/bitops.h>
#include <linux/mount.h>
#include <linux/nsproxy.h>
+#include <linux/uidgid.h>
#include <net/net_namespace.h>
#include <linux/seq_file.h>
@@ -185,6 +186,8 @@ const struct file_operations proc_net_operations = {
static __net_init int proc_net_ns_init(struct net *net)
{
struct proc_dir_entry *netd, *net_statd;
+ kuid_t uid;
+ kgid_t gid;
int err;
err = -ENOMEM;
@@ -199,6 +202,16 @@ static __net_init int proc_net_ns_init(struct net *net)
netd->parent = &proc_root;
memcpy(netd->name, "net", 4);
+ uid = make_kuid(net->user_ns, 0);
+ if (!uid_valid(uid))
+ uid = netd->uid;
+
+ gid = make_kgid(net->user_ns, 0);
+ if (!gid_valid(gid))
+ gid = netd->gid;
+
+ proc_set_user(netd, uid, gid);
+
err = -EEXIST;
net_statd = proc_net_mkdir(net, "stat", netd);
if (!net_statd)
diff --git a/fs/proc/proc_sysctl.c b/fs/proc/proc_sysctl.c
index 268fcf592b0e..f908b78bce55 100644
--- a/fs/proc/proc_sysctl.c
+++ b/fs/proc/proc_sysctl.c
@@ -72,7 +72,7 @@ static DEFINE_SPINLOCK(sysctl_lock);
static void drop_sysctl_table(struct ctl_table_header *header);
static int sysctl_follow_link(struct ctl_table_header **phead,
- struct ctl_table **pentry, struct nsproxy *namespaces);
+ struct ctl_table **pentry);
static int insert_links(struct ctl_table_header *head);
static void put_links(struct ctl_table_header *header);
@@ -319,11 +319,11 @@ static void sysctl_head_finish(struct ctl_table_header *head)
}
static struct ctl_table_set *
-lookup_header_set(struct ctl_table_root *root, struct nsproxy *namespaces)
+lookup_header_set(struct ctl_table_root *root)
{
struct ctl_table_set *set = &root->default_set;
if (root->lookup)
- set = root->lookup(root, namespaces);
+ set = root->lookup(root);
return set;
}
@@ -430,6 +430,7 @@ static int sysctl_perm(struct ctl_table_header *head, struct ctl_table *table, i
static struct inode *proc_sys_make_inode(struct super_block *sb,
struct ctl_table_header *head, struct ctl_table *table)
{
+ struct ctl_table_root *root = head->root;
struct inode *inode;
struct proc_inode *ei;
@@ -457,6 +458,10 @@ static struct inode *proc_sys_make_inode(struct super_block *sb,
if (is_empty_dir(head))
make_empty_dir_inode(inode);
}
+
+ if (root->set_ownership)
+ root->set_ownership(head, table, &inode->i_uid, &inode->i_gid);
+
out:
return inode;
}
@@ -491,7 +496,7 @@ static struct dentry *proc_sys_lookup(struct inode *dir, struct dentry *dentry,
goto out;
if (S_ISLNK(p->mode)) {
- ret = sysctl_follow_link(&h, &p, current->nsproxy);
+ ret = sysctl_follow_link(&h, &p);
err = ERR_PTR(ret);
if (ret)
goto out;
@@ -659,7 +664,7 @@ static bool proc_sys_link_fill_cache(struct file *file,
if (S_ISLNK(table->mode)) {
/* It is not an error if we can not follow the link ignore it */
- int err = sysctl_follow_link(&head, &table, current->nsproxy);
+ int err = sysctl_follow_link(&head, &table);
if (err)
goto out;
}
@@ -976,7 +981,7 @@ static struct ctl_dir *xlate_dir(struct ctl_table_set *set, struct ctl_dir *dir)
}
static int sysctl_follow_link(struct ctl_table_header **phead,
- struct ctl_table **pentry, struct nsproxy *namespaces)
+ struct ctl_table **pentry)
{
struct ctl_table_header *head;
struct ctl_table_root *root;
@@ -988,7 +993,7 @@ static int sysctl_follow_link(struct ctl_table_header **phead,
ret = 0;
spin_lock(&sysctl_lock);
root = (*pentry)->data;
- set = lookup_header_set(root, namespaces);
+ set = lookup_header_set(root);
dir = xlate_dir(set, (*phead)->parent);
if (IS_ERR(dir))
ret = PTR_ERR(dir);
diff --git a/fs/proc/stat.c b/fs/proc/stat.c
index 7907e456ac4f..d700c42b3572 100644
--- a/fs/proc/stat.c
+++ b/fs/proc/stat.c
@@ -115,17 +115,16 @@ static int show_stat(struct seq_file *p, void *v)
}
sum += arch_irq_stat();
- seq_puts(p, "cpu ");
- seq_put_decimal_ull(p, ' ', cputime64_to_clock_t(user));
- seq_put_decimal_ull(p, ' ', cputime64_to_clock_t(nice));
- seq_put_decimal_ull(p, ' ', cputime64_to_clock_t(system));
- seq_put_decimal_ull(p, ' ', cputime64_to_clock_t(idle));
- seq_put_decimal_ull(p, ' ', cputime64_to_clock_t(iowait));
- seq_put_decimal_ull(p, ' ', cputime64_to_clock_t(irq));
- seq_put_decimal_ull(p, ' ', cputime64_to_clock_t(softirq));
- seq_put_decimal_ull(p, ' ', cputime64_to_clock_t(steal));
- seq_put_decimal_ull(p, ' ', cputime64_to_clock_t(guest));
- seq_put_decimal_ull(p, ' ', cputime64_to_clock_t(guest_nice));
+ seq_put_decimal_ull(p, "cpu ", cputime64_to_clock_t(user));
+ seq_put_decimal_ull(p, " ", cputime64_to_clock_t(nice));
+ seq_put_decimal_ull(p, " ", cputime64_to_clock_t(system));
+ seq_put_decimal_ull(p, " ", cputime64_to_clock_t(idle));
+ seq_put_decimal_ull(p, " ", cputime64_to_clock_t(iowait));
+ seq_put_decimal_ull(p, " ", cputime64_to_clock_t(irq));
+ seq_put_decimal_ull(p, " ", cputime64_to_clock_t(softirq));
+ seq_put_decimal_ull(p, " ", cputime64_to_clock_t(steal));
+ seq_put_decimal_ull(p, " ", cputime64_to_clock_t(guest));
+ seq_put_decimal_ull(p, " ", cputime64_to_clock_t(guest_nice));
seq_putc(p, '\n');
for_each_online_cpu(i) {
@@ -141,23 +140,23 @@ static int show_stat(struct seq_file *p, void *v)
guest = kcpustat_cpu(i).cpustat[CPUTIME_GUEST];
guest_nice = kcpustat_cpu(i).cpustat[CPUTIME_GUEST_NICE];
seq_printf(p, "cpu%d", i);
- seq_put_decimal_ull(p, ' ', cputime64_to_clock_t(user));
- seq_put_decimal_ull(p, ' ', cputime64_to_clock_t(nice));
- seq_put_decimal_ull(p, ' ', cputime64_to_clock_t(system));
- seq_put_decimal_ull(p, ' ', cputime64_to_clock_t(idle));
- seq_put_decimal_ull(p, ' ', cputime64_to_clock_t(iowait));
- seq_put_decimal_ull(p, ' ', cputime64_to_clock_t(irq));
- seq_put_decimal_ull(p, ' ', cputime64_to_clock_t(softirq));
- seq_put_decimal_ull(p, ' ', cputime64_to_clock_t(steal));
- seq_put_decimal_ull(p, ' ', cputime64_to_clock_t(guest));
- seq_put_decimal_ull(p, ' ', cputime64_to_clock_t(guest_nice));
+ seq_put_decimal_ull(p, " ", cputime64_to_clock_t(user));
+ seq_put_decimal_ull(p, " ", cputime64_to_clock_t(nice));
+ seq_put_decimal_ull(p, " ", cputime64_to_clock_t(system));
+ seq_put_decimal_ull(p, " ", cputime64_to_clock_t(idle));
+ seq_put_decimal_ull(p, " ", cputime64_to_clock_t(iowait));
+ seq_put_decimal_ull(p, " ", cputime64_to_clock_t(irq));
+ seq_put_decimal_ull(p, " ", cputime64_to_clock_t(softirq));
+ seq_put_decimal_ull(p, " ", cputime64_to_clock_t(steal));
+ seq_put_decimal_ull(p, " ", cputime64_to_clock_t(guest));
+ seq_put_decimal_ull(p, " ", cputime64_to_clock_t(guest_nice));
seq_putc(p, '\n');
}
- seq_printf(p, "intr %llu", (unsigned long long)sum);
+ seq_put_decimal_ull(p, "intr ", (unsigned long long)sum);
/* sum again ? it could be updated? */
for_each_irq_nr(j)
- seq_put_decimal_ull(p, ' ', kstat_irqs_usr(j));
+ seq_put_decimal_ull(p, " ", kstat_irqs_usr(j));
seq_printf(p,
"\nctxt %llu\n"
@@ -171,10 +170,10 @@ static int show_stat(struct seq_file *p, void *v)
nr_running(),
nr_iowait());
- seq_printf(p, "softirq %llu", (unsigned long long)sum_softirq);
+ seq_put_decimal_ull(p, "softirq ", (unsigned long long)sum_softirq);
for (i = 0; i < NR_SOFTIRQS; i++)
- seq_put_decimal_ull(p, ' ', per_softirq_sums[i]);
+ seq_put_decimal_ull(p, " ", per_softirq_sums[i]);
seq_putc(p, '\n');
return 0;
diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
index f6fa99eca515..6909582ce5e5 100644
--- a/fs/proc/task_mmu.c
+++ b/fs/proc/task_mmu.c
@@ -147,7 +147,7 @@ m_next_vma(struct proc_maps_private *priv, struct vm_area_struct *vma)
static void m_cache_vma(struct seq_file *m, struct vm_area_struct *vma)
{
if (m->count < m->size) /* vma is copied successfully */
- m->version = m_next_vma(m->private, vma) ? vma->vm_start : -1UL;
+ m->version = m_next_vma(m->private, vma) ? vma->vm_end : -1UL;
}
static void *m_start(struct seq_file *m, loff_t *ppos)
@@ -175,8 +175,10 @@ static void *m_start(struct seq_file *m, loff_t *ppos)
priv->tail_vma = get_gate_vma(mm);
if (last_addr) {
- vma = find_vma(mm, last_addr);
- if (vma && (vma = m_next_vma(priv, vma)))
+ vma = find_vma(mm, last_addr - 1);
+ if (vma && vma->vm_start <= last_addr)
+ vma = m_next_vma(priv, vma);
+ if (vma)
return vma;
}
@@ -1070,7 +1072,7 @@ static ssize_t clear_refs_write(struct file *file, const char __user *buf,
}
mmu_notifier_invalidate_range_start(mm, 0, -1);
}
- walk_page_range(0, ~0UL, &clear_refs_walk);
+ walk_page_range(0, mm->highest_vm_end, &clear_refs_walk);
if (type == CLEAR_REFS_SOFT_DIRTY)
mmu_notifier_invalidate_range_end(mm, 0, -1);
flush_tlb_mm(mm);
generated by cgit v1.2.3 (git 2.25.1) at 2024-09-09 19:22:40 +0000