diff options
Diffstat (limited to 'fs/inode.c')
| -rw-r--r-- | fs/inode.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/fs/inode.c b/fs/inode.c index 91048c4c9c..3a41f83a4b 100644 --- a/fs/inode.c +++ b/fs/inode.c @@ -20,6 +20,7 @@ #include <linux/ratelimit.h> #include <linux/list_lru.h> #include <linux/iversion.h> +#include <linux/rw_hint.h> #include <trace/events/writeback.h> #include "internal.h" @@ -588,7 +589,8 @@ void dump_mapping(const struct address_space *mapping) } dentry_ptr = container_of(dentry_first, struct dentry, d_u.d_alias); - if (get_kernel_nofault(dentry, dentry_ptr)) { + if (get_kernel_nofault(dentry, dentry_ptr) || + !dentry.d_parent || !dentry.d_name.name) { pr_warn("aops:%ps ino:%lx invalid dentry:%px\n", a_ops, ino, dentry_ptr); return; @@ -2031,7 +2033,7 @@ static int __remove_privs(struct mnt_idmap *idmap, return notify_change(idmap, dentry, &newattrs, NULL); } -static int __file_remove_privs(struct file *file, unsigned int flags) +int file_remove_privs_flags(struct file *file, unsigned int flags) { struct dentry *dentry = file_dentry(file); struct inode *inode = file_inode(file); @@ -2056,6 +2058,7 @@ static int __file_remove_privs(struct file *file, unsigned int flags) inode_has_no_xattr(inode); return error; } +EXPORT_SYMBOL_GPL(file_remove_privs_flags); /** * file_remove_privs - remove special file privileges (suid, capabilities) @@ -2068,7 +2071,7 @@ static int __file_remove_privs(struct file *file, unsigned int flags) */ int file_remove_privs(struct file *file) { - return __file_remove_privs(file, 0); + return file_remove_privs_flags(file, 0); } EXPORT_SYMBOL(file_remove_privs); @@ -2161,7 +2164,7 @@ static int file_modified_flags(struct file *file, int flags) * Clear the security bits if the process is not being run by root. * This keeps people from modifying setuid and setgid binaries. */ - ret = __file_remove_privs(file, flags); + ret = file_remove_privs_flags(file, flags); if (ret) return ret; @@ -2285,7 +2288,7 @@ void __init inode_init(void) sizeof(struct inode), 0, (SLAB_RECLAIM_ACCOUNT|SLAB_PANIC| - SLAB_MEM_SPREAD|SLAB_ACCOUNT), + SLAB_ACCOUNT), init_once); /* Hash may have been set up in inode_init_early */ @@ -2509,7 +2512,7 @@ struct timespec64 inode_set_ctime_current(struct inode *inode) { struct timespec64 now = current_time(inode); - inode_set_ctime(inode, now.tv_sec, now.tv_nsec); + inode_set_ctime_to_ts(inode, now); return now; } EXPORT_SYMBOL(inode_set_ctime_current); |