This is a note to let you know that I've just added the patch titled
scripts/gdb: fix 'lx-lsmod' show the wrong size
to the 6.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
scripts-gdb-fix-lx-lsmod-show-the-wrong-size.patch
and it can be found in the queue-6.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit fb6225a13d561a17d9b6059671456ae64aff8221
Author: Kuan-Ying Lee <Kuan-Ying.Lee@xxxxxxxxxxxx>
Date: Mon Jul 10 17:28:46 2023 +0800
scripts/gdb: fix 'lx-lsmod' show the wrong size
[ Upstream commit fb40b0537342e1acd5c2daf2ff6780c1d0d2883c ]
'lsmod' shows total core layout size, so we need to sum up all the
sections in core layout in gdb scripts.
/ # lsmod
kasan_test 200704 0 - Live 0xffff80007f640000
Before patch:
(gdb) lx-lsmod
Address Module Size Used by
0xffff80007f640000 kasan_test 36864 0
After patch:
(gdb) lx-lsmod
Address Module Size Used by
0xffff80007f640000 kasan_test 200704 0
Link: https://lkml.kernel.org/r/20230710092852.31049-1-Kuan-Ying.Lee@xxxxxxxxxxxx
Fixes: b4aff7513df3 ("scripts/gdb: use mem instead of core_layout to get the module address")
Signed-off-by: Kuan-Ying Lee <Kuan-Ying.Lee@xxxxxxxxxxxx>
Reviewed-by: Pankaj Raghav <p.raghav@xxxxxxxxxxx>
Cc: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx>
Cc: Chinwen Chang <chinwen.chang@xxxxxxxxxxxx>
Cc: Jan Kiszka <jan.kiszka@xxxxxxxxxxx>
Cc: Kieran Bingham <kbingham@xxxxxxxxxx>
Cc: Luis Chamberlain <mcgrof@xxxxxxxxxx>
Cc: Matthias Brugger <matthias.bgg@xxxxxxxxx>
Cc: Qun-Wei Lin <qun-wei.lin@xxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/scripts/gdb/linux/constants.py.in b/scripts/gdb/linux/constants.py.in
index 50a92c4e9984e..fab74ca9df6fc 100644
--- a/scripts/gdb/linux/constants.py.in
+++ b/scripts/gdb/linux/constants.py.in
@@ -64,6 +64,9 @@ LX_GDBPARSED(IRQ_HIDDEN)
/* linux/module.h */
LX_GDBPARSED(MOD_TEXT)
+LX_GDBPARSED(MOD_DATA)
+LX_GDBPARSED(MOD_RODATA)
+LX_GDBPARSED(MOD_RO_AFTER_INIT)
/* linux/mount.h */
LX_VALUE(MNT_NOSUID)
diff --git a/scripts/gdb/linux/modules.py b/scripts/gdb/linux/modules.py
index 261f28640f4cd..f76a43bfa15fc 100644
--- a/scripts/gdb/linux/modules.py
+++ b/scripts/gdb/linux/modules.py
@@ -73,11 +73,17 @@ class LxLsmod(gdb.Command):
" " if utils.get_long_type().sizeof == 8 else ""))
for module in module_list():
- layout = module['mem'][constants.LX_MOD_TEXT]
+ text = module['mem'][constants.LX_MOD_TEXT]
+ text_addr = str(text['base']).split()[0]
+ total_size = 0
+
+ for i in range(constants.LX_MOD_TEXT, constants.LX_MOD_RO_AFTER_INIT + 1):
+ total_size += module['mem'][i]['size']
+
gdb.write("{address} {name:<19} {size:>8} {ref}".format(
- address=str(layout['base']).split()[0],
+ address=text_addr,
name=module['name'].string(),
- size=str(layout['size']),
+ size=str(total_size),
ref=str(module['refcnt']['counter'] - 1)))
t = self._module_use_type.get_type().pointer()
