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lib/dump_stack: report process UID in dump_stack_print_info()

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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@google.com
Signed-off-by: Suren Baghdasaryan <surenb@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Suren Baghdasaryan 2024-06-14 21:13:58 -07:00 committed by Andrew Morton
parent 326c34efe3
commit d2917ff199
1 changed files with 4 additions and 2 deletions
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6
lib/dump_stack.c
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@ -54,8 +54,10 @@ void __init dump_stack_set_arch_desc(const char *fmt, ...)
*/
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,