Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:lib\test_stackinit.c Create Date:2022-07-28 06:35:36
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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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_u8_zero(void)

Type:int

Parameter:Nothing

262  sum = 0
262  Do
262  When 0 cycle
262  __builtin_memset( & zero, 0x00, size of zero )
262  __builtin_memset(check_buf, 0x00, size of check_buf )
262  ignored = These should be fully initialized all the time!
262  When i < target_size cycle sum += check_buf[i] != 0xFF
262  If sum Then
262  printk("\0013"KBUILD_MODNAME": u8_zero: leaf fill was not 0xFF!?\n", )
262  Return 1
262  __builtin_memset(check_buf, 0x00, size of check_buf )
262  ignored = These should be fully initialized all the time!
262  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
262  printk("\0013"KBUILD_MODNAME": u8_zero: stack fill missed target!?\n", )
262  printk("\0013"KBUILD_MODNAME": u8_zero: fill %zu wide\n", fill_size)
262  printk("\0013"KBUILD_MODNAME": u8_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. ))
262  Return 1
262  When i < target_size cycle sum += check_buf[i] == 0xFF
262  If sum == 0 Then printk("\0016"KBUILD_MODNAME": u8_zero ok\n", )
262  Else printk("\0014"KBUILD_MODNAME": u8_zero FAIL (uninit bytes: %d)\n", sum)
262  Return sum != 0