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mm/kmemleak: use %pK to display kernel pointers in backtrace 

Currently, %p is used to display kernel pointers in backtrace which result
in a hashed value that is not usable to correlate the address for debug. 
Use %pK which will respect the kptr_restrict configuration value and thus
allow to extract meaningful information from the backtrace.

Link: https://lkml.kernel.org/r/20221108094322.73492-1-clement.leger@bootlin.com
Signed-off-by: Clément Léger <clement.leger@bootlin.com>
Cc: Alexandre Belloni <alexandre.belloni@bootlin.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Clément Léger 2022-11-08 10:43:22 +01:00 committed by Andrew Morton
parent 56a61617dd
commit 3a6f33d86b
1 changed files with 1 additions and 1 deletions
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mm/kmemleak.c
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@ -361,7 +361,7 @@ static void print_unreferenced(struct seq_file *seq,
for (i = 0; i < nr_entries; i++) {
void *ptr = (void *)entries[i];
warn_or_seq_printf(seq, " [<%p>] %pS\n", ptr, ptr);
warn_or_seq_printf(seq, " [<%pK>] %pS\n", ptr, ptr);
}
}