Commit 0f659ff3 authored by Tiwei Bie's avatar Tiwei Bie Committed by Johannes Berg
Browse files

um: Always dump trace for specified task in show_stack 



Currently, show_stack() always dumps the trace of the current task.
However, it should dump the trace of the specified task if one is
provided. Otherwise, things like running "echo t > sysrq-trigger"
won't work as expected.

Fixes: 970e51fe ("um: Add support for CONFIG_STACKTRACE")
Signed-off-by: default avatarTiwei Bie <tiwei.btw@antgroup.com>
Link: https://patch.msgid.link/20241106103933.1132365-1-tiwei.btw@antgroup.com


Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
parent 51b39d74

arch/um/kernel/sysrq.c

+1 −1
Original line number Diff line number Diff line
@@ -46,5 +46,5 @@ void show_stack(struct task_struct *task, unsigned long *stack, 
	}



	printk("%sCall Trace:\n", loglvl);

	dump_trace(current, &stackops, (void *)loglvl);

	dump_trace(task ?: current, &stackops, (void *)loglvl);

}