diff options
Diffstat (limited to 'fs/coredump.c')
-rw-r--r-- | fs/coredump.c | 43 |
1 files changed, 16 insertions, 27 deletions
diff --git a/fs/coredump.c b/fs/coredump.c index 7f12ff6ad1d3..87ff71a59fbe 100644 --- a/fs/coredump.c +++ b/fs/coredump.c @@ -586,8 +586,7 @@ void do_coredump(const kernel_siginfo_t *siginfo) struct subprocess_info *sub_info; if (ispipe < 0) { - printk(KERN_WARNING "format_corename failed\n"); - printk(KERN_WARNING "Aborting core\n"); + coredump_report_failure("format_corename failed, aborting core"); goto fail_unlock; } @@ -607,27 +606,21 @@ void do_coredump(const kernel_siginfo_t *siginfo) * right pid if a thread in a multi-threaded * core_pattern process dies. */ - printk(KERN_WARNING - "Process %d(%s) has RLIMIT_CORE set to 1\n", - task_tgid_vnr(current), current->comm); - printk(KERN_WARNING "Aborting core\n"); + coredump_report_failure("RLIMIT_CORE is set to 1, aborting core"); goto fail_unlock; } cprm.limit = RLIM_INFINITY; dump_count = atomic_inc_return(&core_dump_count); if (core_pipe_limit && (core_pipe_limit < dump_count)) { - printk(KERN_WARNING "Pid %d(%s) over core_pipe_limit\n", - task_tgid_vnr(current), current->comm); - printk(KERN_WARNING "Skipping core dump\n"); + coredump_report_failure("over core_pipe_limit, skipping core dump"); goto fail_dropcount; } helper_argv = kmalloc_array(argc + 1, sizeof(*helper_argv), GFP_KERNEL); if (!helper_argv) { - printk(KERN_WARNING "%s failed to allocate memory\n", - __func__); + coredump_report_failure("%s failed to allocate memory", __func__); goto fail_dropcount; } for (argi = 0; argi < argc; argi++) @@ -644,8 +637,7 @@ void do_coredump(const kernel_siginfo_t *siginfo) kfree(helper_argv); if (retval) { - printk(KERN_INFO "Core dump to |%s pipe failed\n", - cn.corename); + coredump_report_failure("|%s pipe failed", cn.corename); goto close_fail; } } else { @@ -658,10 +650,8 @@ void do_coredump(const kernel_siginfo_t *siginfo) goto fail_unlock; if (need_suid_safe && cn.corename[0] != '/') { - printk(KERN_WARNING "Pid %d(%s) can only dump core "\ - "to fully qualified path!\n", - task_tgid_vnr(current), current->comm); - printk(KERN_WARNING "Skipping core dump\n"); + coredump_report_failure( + "this process can only dump core to a fully qualified path, skipping core dump"); goto fail_unlock; } @@ -730,13 +720,13 @@ void do_coredump(const kernel_siginfo_t *siginfo) idmap = file_mnt_idmap(cprm.file); if (!vfsuid_eq_kuid(i_uid_into_vfsuid(idmap, inode), current_fsuid())) { - pr_info_ratelimited("Core dump to %s aborted: cannot preserve file owner\n", - cn.corename); + coredump_report_failure("Core dump to %s aborted: " + "cannot preserve file owner", cn.corename); goto close_fail; } if ((inode->i_mode & 0677) != 0600) { - pr_info_ratelimited("Core dump to %s aborted: cannot preserve file permissions\n", - cn.corename); + coredump_report_failure("Core dump to %s aborted: " + "cannot preserve file permissions", cn.corename); goto close_fail; } if (!(cprm.file->f_mode & FMODE_CAN_WRITE)) @@ -757,7 +747,7 @@ void do_coredump(const kernel_siginfo_t *siginfo) * have this set to NULL. */ if (!cprm.file) { - pr_info("Core dump to |%s disabled\n", cn.corename); + coredump_report_failure("Core dump to |%s disabled", cn.corename); goto close_fail; } if (!dump_vma_snapshot(&cprm)) @@ -983,11 +973,10 @@ void validate_coredump_safety(void) { if (suid_dumpable == SUID_DUMP_ROOT && core_pattern[0] != '/' && core_pattern[0] != '|') { - pr_warn( -"Unsafe core_pattern used with fs.suid_dumpable=2.\n" -"Pipe handler or fully qualified core dump path required.\n" -"Set kernel.core_pattern before fs.suid_dumpable.\n" - ); + + coredump_report_failure("Unsafe core_pattern used with fs.suid_dumpable=2: " + "pipe handler or fully qualified core dump path required. " + "Set kernel.core_pattern before fs.suid_dumpable."); } } |