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fs/coredump.c: log if a core dump is aborted due to changed file permissions
[linux-2.6-microblaze.git]
/
fs
/
coredump.c
diff --git
a/fs/coredump.c
b/fs/coredump.c
index
07afb5d
..
4b3c757
100644
(file)
--- a/
fs/coredump.c
+++ b/
fs/coredump.c
@@
-782,10
+782,17
@@
void do_coredump(const kernel_siginfo_t *siginfo)
* filesystem.
*/
mnt_userns = file_mnt_user_ns(cprm.file);
* filesystem.
*/
mnt_userns = file_mnt_user_ns(cprm.file);
- if (!uid_eq(i_uid_into_mnt(mnt_userns, inode), current_fsuid()))
+ if (!uid_eq(i_uid_into_mnt(mnt_userns, inode),
+ current_fsuid())) {
+ pr_info_ratelimited("Core dump to %s aborted: cannot preserve file owner\n",
+ cn.corename);
goto close_fail;
goto close_fail;
- if ((inode->i_mode & 0677) != 0600)
+ }
+ if ((inode->i_mode & 0677) != 0600) {
+ pr_info_ratelimited("Core dump to %s aborted: cannot preserve file permissions\n",
+ cn.corename);
goto close_fail;
goto close_fail;
+ }
if (!(cprm.file->f_mode & FMODE_CAN_WRITE))
goto close_fail;
if (do_truncate(mnt_userns, cprm.file->f_path.dentry,
if (!(cprm.file->f_mode & FMODE_CAN_WRITE))
goto close_fail;
if (do_truncate(mnt_userns, cprm.file->f_path.dentry,