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| author | Petr Mladek <[email protected]> | 2021-11-02 09:39:27 +0000 |
|---|---|---|
| committer | Petr Mladek <[email protected]> | 2021-11-02 09:39:27 +0000 |
| commit | 40e64a88dadcfa168914065baf7f035de957bbe0 (patch) | |
| tree | 06c8c4a9e6c1b478aa6851794c6a33bec1ce6ec4 /fs/coredump.c | |
| parent | lib/vsprintf.c: Amend static asserts for format specifier flags (diff) | |
| parent | vsprintf: Update %pGp documentation about that it prints hex value (diff) | |
| download | kernel-40e64a88dadcfa168914065baf7f035de957bbe0.tar.gz kernel-40e64a88dadcfa168914065baf7f035de957bbe0.zip | |
Merge branch 'for-5.16-vsprintf-pgp' into for-linus
Diffstat (limited to 'fs/coredump.c')
| -rw-r--r-- | fs/coredump.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/fs/coredump.c b/fs/coredump.c index 07afb5ddb1c4..3224dee44d30 100644 --- 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); - 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; - 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; + } if (!(cprm.file->f_mode & FMODE_CAN_WRITE)) goto close_fail; if (do_truncate(mnt_userns, cprm.file->f_path.dentry, @@ -1127,8 +1134,10 @@ int dump_vma_snapshot(struct coredump_params *cprm, int *vma_count, mmap_write_unlock(mm); - if (WARN_ON(i != *vma_count)) + if (WARN_ON(i != *vma_count)) { + kvfree(*vma_meta); return -EFAULT; + } *vma_data_size_ptr = vma_data_size; return 0; |