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kprobes: Show blacklist addresses as same as kallsyms does

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Show kprobes blacklist addresses under same condition of
showing kallsyms addresses.

Since there are several name conflict for local symbols,
kprobe blacklist needs to show each addresses so that
user can identify where is on blacklist by comparing
with kallsyms.

Signed-off-by: Masami Hiramatsu <[email protected]>
Cc: Ananth N Mavinakayanahalli <[email protected]>
Cc: Anil S Keshavamurthy <[email protected]>
Cc: Arnd Bergmann <[email protected]>
Cc: David Howells <[email protected]>
Cc: David S . Miller <[email protected]>
Cc: Heiko Carstens <[email protected]>
Cc: Jon Medhurst <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: Thomas Richter <[email protected]>
Cc: Tobin C . Harding <[email protected]>
Cc: Will Deacon <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Link: https://lkml.kernel.org/lkml/152491893217.9916.14760965896164273464.stgit@devbox
Signed-off-by: Ingo Molnar <[email protected]>
This commit is contained in:
Masami Hiramatsu authored and Ingo Molnar committed 2018-06-21 17:33:41 +02:00
1 parent f2a3ab3607
commit ffb9bd68eb
1 file changed
+10 -2
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kernel/kprobes.c
+10 -2
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@@ -2326,8 +2326,16 @@ static int kprobe_blacklist_seq_show(struct seq_file *m, void *v)
struct kprobe_blacklist_entry *ent =
list_entry(v, struct kprobe_blacklist_entry, list);
seq_printf(m, "0x%px-0x%px\t%ps\n", (void *)ent->start_addr,
(void *)ent->end_addr, (void *)ent->start_addr);
/*
* If /proc/kallsyms is not showing kernel address, we won't
* show them here either.
*/
if (!kallsyms_show_value())
seq_printf(m, "0x%px-0x%px\t%ps\n", NULL, NULL,
(void *)ent->start_addr);
else
seq_printf(m, "0x%px-0x%px\t%ps\n", (void *)ent->start_addr,
(void *)ent->end_addr, (void *)ent->start_addr);
return 0;
}