The patch titled
Subject: lib/dump_stack: report process UID in dump_stack_print_info()
has been added to the -mm mm-nonmm-unstable branch. Its filename is
lib-dump_stack-report-process-uid-in-dump_stack_print_info.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/lib-dump_stack-report-process-uid-in-dump_stack_print_info.patch
This patch will later appear in the mm-nonmm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: Suren Baghdasaryan <surenb@xxxxxxxxxx>
Subject: lib/dump_stack: report process UID in dump_stack_print_info()
Date: Fri, 14 Jun 2024 21:13:58 -0700
To make it easier to identify the crashing process, report effective UID
when dumping the stack.
Link: https://lkml.kernel.org/r/20240615041358.103791-1-surenb@xxxxxxxxxx
Signed-off-by: Suren Baghdasaryan <surenb@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
lib/dump_stack.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
--- a/lib/dump_stack.c~lib-dump_stack-report-process-uid-in-dump_stack_print_info
+++ a/lib/dump_stack.c
@@ -54,8 +54,10 @@ void __init dump_stack_set_arch_desc(con
*/
void dump_stack_print_info(const char *log_lvl)
{
- printk("%sCPU: %d PID: %d Comm: %.20s %s%s %s %.*s" BUILD_ID_FMT "\n",
- log_lvl, raw_smp_processor_id(), current->pid, current->comm,
+ printk("%sCPU: %d UID: %u PID: %d Comm: %.20s %s%s %s %.*s" BUILD_ID_FMT "\n",
+ log_lvl, raw_smp_processor_id(),
+ __kuid_val(current_real_cred()->euid),
+ current->pid, current->comm,
kexec_crash_loaded() ? "Kdump: loaded " : "",
print_tainted(),
init_utsname()->release,
_
Patches currently in -mm which might be from surenb@xxxxxxxxxx are
mm-slab-fix-variable-obj_exts-set-but-not-used-warning.patch
mm-handle-profiling-for-fake-memory-allocations-during-compaction.patch
lib-dump_stack-report-process-uid-in-dump_stack_print_info.patch
