Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:lib\test_stackinit.c Create Date:2022-07-28 06:35:46
Last Modify:2020-03-12 14:18:49 Copyright©Brick
home page Tree
Annotation kernel can get tool activityDownload SCCTChinese

Name:These should be fully initialized all the time!

Proto:static __attribute__((__noinline__)) __attribute__((__section__(".init.text"))) __attribute__((__cold__)) int test_small_hole_zero(void)

Type:int

Parameter:Nothing

263  sum = 0
263  Do
263  When 0 cycle
263  __builtin_memset( & zero, 0x00, size of zero )
263  __builtin_memset(check_buf, 0x00, size of check_buf )
263  ignored = These should be fully initialized all the time!
263  When i < target_size cycle sum += check_buf[i] != 0xFF
263  If sum Then
263  printk("\0013"KBUILD_MODNAME": small_hole_zero: leaf fill was not 0xFF!?\n", )
263  Return 1
263  __builtin_memset(check_buf, 0x00, size of check_buf )
263  ignored = These should be fully initialized all the time!
263  If Not range_contains(Location and size tracking to validate fill and test are colocated. , fill_size, Location and size tracking to validate fill and test are colocated. , target_size) Then
263  printk("\0013"KBUILD_MODNAME": small_hole_zero: stack fill missed target!?\n", )
263  printk("\0013"KBUILD_MODNAME": small_hole_zero: fill %zu wide\n", fill_size)
263  printk("\0013"KBUILD_MODNAME": small_hole_zero: target offset by %d\n", (int)((ssize_t)(uintptr_t)Location and size tracking to validate fill and test are colocated. - (ssize_t)(uintptr_t)Location and size tracking to validate fill and test are colocated. ))
263  Return 1
263  When i < target_size cycle sum += check_buf[i] == 0xFF
263  If sum == 0 Then printk("\0016"KBUILD_MODNAME": small_hole_zero ok\n", )
263  Else printk("\0014"KBUILD_MODNAME": small_hole_zero FAIL (uninit bytes: %d)\n", sum)
263  Return sum != 0