diff options
Diffstat (limited to 'fs/coredump.c')
| -rw-r--r-- | fs/coredump.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/fs/coredump.c b/fs/coredump.c index de78bde2991b..27847d16d2b8 100644 --- a/fs/coredump.c +++ b/fs/coredump.c @@ -644,6 +644,7 @@ void do_coredump(const kernel_siginfo_t *siginfo) goto close_fail; } } else { + struct mnt_idmap *idmap; struct user_namespace *mnt_userns; struct inode *inode; int open_flags = O_CREAT | O_RDWR | O_NOFOLLOW | @@ -722,7 +723,8 @@ void do_coredump(const kernel_siginfo_t *siginfo) * a process dumps core while its cwd is e.g. on a vfat * filesystem. */ - mnt_userns = file_mnt_user_ns(cprm.file); + idmap = file_mnt_idmap(cprm.file); + mnt_userns = mnt_idmap_owner(idmap); if (!vfsuid_eq_kuid(i_uid_into_vfsuid(mnt_userns, inode), current_fsuid())) { pr_info_ratelimited("Core dump to %s aborted: cannot preserve file owner\n", @@ -736,7 +738,7 @@ void do_coredump(const kernel_siginfo_t *siginfo) } if (!(cprm.file->f_mode & FMODE_CAN_WRITE)) goto close_fail; - if (do_truncate(mnt_userns, cprm.file->f_path.dentry, + if (do_truncate(idmap, cprm.file->f_path.dentry, 0, 0, cprm.file)) goto close_fail; } |