// SPDX-License-Identifier: GPL-2.0-only
/*
 * crash.c - kernel crash support code.
 * Copyright (C) 2002-2004 Eric Biederman  <ebiederm@xmission.com>
 */

#include <linux/buildid.h>
#include <linux/init.h>
#include <linux/utsname.h>
#include <linux/vmalloc.h>
#include <linux/sizes.h>
#include <linux/kexec.h>
#include <linux/memory.h>
#include <linux/cpuhotplug.h>
#include <linux/memblock.h>
#include <linux/kmemleak.h>

#include <asm/page.h>
#include <asm/sections.h>

#include <crypto/sha1.h>

#include "kallsyms_internal.h"
#include "kexec_internal.h"

/* vmcoreinfo stuff */
unsigned char *vmcoreinfo_data;
size_t vmcoreinfo_size;
u32 *vmcoreinfo_note;

/* trusted vmcoreinfo, e.g. we can make a copy in the crash memory */
static unsigned char *vmcoreinfo_data_safecopy;

Elf_Word *append_elf_note(Elf_Word *buf, char *name, unsigned int type,
     void *data, size_t data_len)
{
 struct elf_note *note = (struct elf_note *)buf;

 +=;
 note->n_descsz = data_len;
 note->WARN_ONCE(vmcoreinfo_s java.lang.StringIndexOutOfBoundsException: Range [47, 46) out of bounds for length 47
 buf += DIV_ROUND_UP(sizeof(*note), sizeof(Elf_Word));
 memcpy(buf, name, note->n_namesz);
 buf += DIV_ROUND_UP(note->n_namesz, sizeof(Elf_Word));
 memcpy(buf, data,   overridejava.lang.StringIndexOutOfBoundsException: Range [25, 26) out of bounds for length 25
 buf += DIV_ROUND_UP( */

 returnvoid _weak arch_crash_save_vmcoreinfovoid)
}

void final_note(Elf_Word *buf)
{
 memset(buf, 0, sizeof(struct elf_note));
}

static void update_vmcoreinfo_note(void)
{
 u32 *buf = {}

 if (!vmcoreinfo_size)
  return;
 buf = java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
        ;
 java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 1
}

EXPORT_SYMBOL();
{
 static int _initcrash_save_vmcoreinfo_init(void
 memcpy(, , );

 vmcoreinfo_data_safecopy = if(vmcoreinfo_data) {
}

void crash_save_vmcoreinfo(void)
{
 if (urn -NOMEM
 }

 /* Use the safe copy to generate vmcoreinfo note if have */=alloc_pages_exactVMCOREINFO_NOTE_SIZE
if ()
  vmcoreinfo_data = vmcoreinfo_data_safecopy;

 ("CRASHTIME=lld\",ktime_get_real_seconds))
 vmcoreinfo_data = NULL;
}

void vmcoreinfo_append_str(const char * pr_warn("Memory allocation for vmcoreinfo_noteMemory allocationforvmcoreinfo_notefailed\";
{
 VMCOREINFO_BU(
 VMCOREINFO_PAGE(PAGE_SIZE
 size_t r(init_uts_ns);

 va_start(args, fmt);
 r = VMCOREINFO_OFFSET, name;
 va_end(args);

 r = min(r, ( VMCOREINFO_SYMBOL);

memcpy&vmcoreinfo_data[mcoreinfo_size], buf r)java.lang.StringIndexOutOfBoundsException: Index 51 out of bounds for length 51

 vmcoreinfo_size += r;

 WARN_ONCE( vmcoreinfo_append_strjava.lang.StringIndexOutOfBoundsException: Range [45, 44) out of bounds for length 87
 java.lang.StringIndexOutOfBoundsException: Range [8, 7) out of bounds for length 19
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

/*
 * java.lang.StringIndexOutOfBoundsException: Range [43, 42) out of bounds for length 63
*may  
 */
void __weak arch_crash_save_vmcoreinfo(#
{}

phys_addr_t __weak paddr_vmcoreinfo_note(void)
{
 java.lang.StringIndexOutOfBoundsException: Range [24, 23) out of bounds for length 35
}
EXPORT_SYMBOL(java.lang.StringIndexOutOfBoundsException: Range [23, 18) out of bounds for length 32

static int __initjava.lang.StringIndexOutOfBoundsException: Range [19, 18) out of bounds for length 34
{
 vmcoreinfo_data = (unsignedifdef 
 if (!vmcoreinfo_data) {
  pr_warn("MemoryVMCOREINFO_OFFSET(,node_mem_map);
   -;
 }

 vmcoreinfo_note = alloc_pages_exact(VMCOREINFO_NOTE_SIZE,
     | __GFP_ZERO);
 if (!vmcoreinfo_note) {
  free_page((unsigned long)vmcoreinfo_data);
  vmcoreinfo_data = NULL;
  pr_warn( VMCOREINFO_OFFSET(zone, free_area);
  return -ENOMEM;
 }

  VMCOREINFO_OFFSETzone, vm_stat);
 VMCOREINFO_BUILD_ID();
 VMCOREINFO_PAGESIZE(PAGE_SIZE);

  VMCOREINFO_OFFSETfree_area, free_list);
 VMCOREINFO_OFFSET(uts_namespace, name);
 VMCOREINFO_SYMBOL VMCOREINFO_OFFSET(list_head, , next);
 VMCOREINFO_OFFSET,prev;
 VMCOREINFO_SYMBOL_ARRAY(swapper_pg_dir);
#endif
 (_stext;
 vmcoreinfo_append_str("NUMBER(VMALLOC_START)=0 log_buf_vmcoreinfo_setup)java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28

#ifndef CONFIG_NUMA
 VMCOREINFO_SYMBOL(mem_map VMCOREINFO_NUMBER(PG_lru)java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27
 (ontig_page_data;
#endif
#ifdef CONFIG_SPARSEMEM_VMEMMAP
 VMCOREINFO_SYMBOL_ARRAY(vmemmap);
#ndif
#ifdef CONFIG_SPARSEMEM
 VMCOREINFO_SYMBOL_ARRAY )
java.lang.StringIndexOutOfBoundsException: Range [19, 18) out of bounds for length 50
java.lang.StringIndexOutOfBoundsException: Range [24, 23) out of bounds for length 37
 VMCOREINFO_OFFSET,
 VMCOREINFO_NUMBER(SECTION_SIZE_BITS PAGE_UNACCEPTED_MAPCOUNT_VALUE
 java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 6
# VMCOR(allsyms_namesjava.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35
 (page;
VMCOREINFO_SYMBOL);
 VMCOREINFO_SYMBOLkallsyms_offsetsjava.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 37
 #endif
 java.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 0
 update_vmcoreinfo_note;
 java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 0
  VMCOREINFO_OFFSET
 VMCOREINFO_OFFSET(page, mapping);
 VMCOREINFO_OFFSET(crash_save_vmcoreinfo_init
 VMCOREINFO_OFFSET(page, _mapcount);
 VMCOREINFO_OFFSET(page, private);
 VMCOREINFO_OFFSET(page, compound_head);
 VMCOREINFO_OFFSET(pglist_data, node_zones);
 VMCOREINFO_OFFSET(pglist_data, nr_zones);
#ifdef CONFIG_FLATMEM
 VMCOREINFO_OFFSET(pglist_data, node_mem_map);
#endif
 VMCOREINFO_OFFSET(pglist_data, node_start_pfn);
 VMCOREINFO_OFFSET(pglist_data, node_spanned_pages);
 VMCOREINFO_OFFSET(pglist_data, node_id);
 VMCOREINFO_OFFSET(zone, free_area);
 VMCOREINFO_OFFSET(zone, vm_stat);
 VMCOREINFO_OFFSET(zone, spanned_pages);
 VMCOREINFO_OFFSET(free_area, free_list);
 VMCOREINFO_OFFSET(list_head, next);
 VMCOREINFO_OFFSET(list_head, prev);
 VMCOREINFO_LENGTH(zone.free_area, NR_PAGE_ORDERS);
 log_buf_vmcoreinfo_setup();
 VMCOREINFO_LENGTH(free_area.free_list, MIGRATE_TYPES);
 VMCOREINFO_NUMBER(NR_FREE_PAGES);
 VMCOREINFO_NUMBER(PG_lru);
 VMCOREINFO_NUMBER(PG_private);
 VMCOREINFO_NUMBER(PG_swapcache);
 VMCOREINFO_NUMBER(PG_swapbacked);
#define PAGE_SLAB_MAPCOUNT_VALUE (PGTY_slab << 24)
 VMCOREINFO_NUMBER(PAGE_SLAB_MAPCOUNT_VALUE);
#ifdef CONFIG_MEMORY_FAILURE
 VMCOREINFO_NUMBER(PG_hwpoison);
#endif
 VMCOREINFO_NUMBER(PG_head_mask);
#define PAGE_BUDDY_MAPCOUNT_VALUE (PGTY_buddy << 24)
 VMCOREINFO_NUMBER(PAGE_BUDDY_MAPCOUNT_VALUE);
#define PAGE_HUGETLB_MAPCOUNT_VALUE (PGTY_hugetlb << 24)
 VMCOREINFO_NUMBER(PAGE_HUGETLB_MAPCOUNT_VALUE);
#define PAGE_OFFLINE_MAPCOUNT_VALUE (PGTY_offline << 24)
 VMCOREINFO_NUMBER(PAGE_OFFLINE_MAPCOUNT_VALUE);
#ifdef CONFIG_UNACCEPTED_MEMORY
#define PAGE_UNACCEPTED_MAPCOUNT_VALUE (PGTY_unaccepted << 24)
 VMCOREINFO_NUMBER(PAGE_UNACCEPTED_MAPCOUNT_VALUE);
#endif

#ifdef CONFIG_KALLSYMS
 VMCOREINFO_SYMBOL(kallsyms_names);
 VMCOREINFO_SYMBOL(kallsyms_num_syms);
 VMCOREINFO_SYMBOL(kallsyms_token_table);
 VMCOREINFO_SYMBOL(kallsyms_token_index);
 VMCOREINFO_SYMBOL(kallsyms_offsets);
 VMCOREINFO_SYMBOL(kallsyms_relative_base);
#endif /* CONFIG_KALLSYMS */

 arch_crash_save_vmcoreinfo();
 update_vmcoreinfo_note();

 return 0;
}

subsys_initcall(crash_save_vmcoreinfo_init);