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incubator-nuttx
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fs: fix dup not compatible with fdcheck & fdsan 

Signed-off-by: buxiasen <buxiasen@xiaomi.com>
This commit is contained in:
buxiasen 2024-07-04 23:27:45 +08:00 committed by Xiang Xiao
parent 5b889b9270
commit 2746aa0643
1 changed files with 22 additions and 0 deletions
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22
fs/vfs/fs_dup.c
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@ -55,6 +55,13 @@ int file_dup(FAR struct file *filep, int minfd, int flags)
FAR struct file *filep2;
int fd2;
int ret;
#ifdef CONFIG_FDSAN
uint64_t f_tag_fdsan; /* File owner fdsan tag, init to 0 */
#endif
#ifdef CONFIG_FDCHECK
uint8_t f_tag_fdcheck; /* File owner fdcheck tag, init to 0 */
#endif
fd2 = file_allocate(g_root_inode, 0, 0, NULL, minfd, true);
if (fd2 < 0)
@ -63,9 +70,24 @@ int file_dup(FAR struct file *filep, int minfd, int flags)
}
ret = fs_getfilep(fd2, &filep2);
#ifdef CONFIG_FDSAN
f_tag_fdsan = filep2->f_tag_fdsan;
#endif
#ifdef CONFIG_FDCHECK
f_tag_fdcheck = filep2->f_tag_fdcheck;
#endif
DEBUGASSERT(ret >= 0);
ret = file_dup3(filep, filep2, flags);
#ifdef CONFIG_FDSAN
filep2->f_tag_fdsan = f_tag_fdsan;
#endif
#ifdef CONFIG_FDCHECK
filep2->f_tag_fdcheck = f_tag_fdcheck;
#endif
fs_putfilep(filep2);
if (ret >= 0)
{