The patch titled Subject: scripts: gdb: vfs: support external dentry names has been added to the -mm mm-hotfixes-unstable branch. Its filename is scripts-gdb-vfs-support-external-dentry-names.patch

This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches...

This patch will later appear in the mm-hotfixes-unstable branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

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------------------------------------------------------ From: Illia Ostapyshyn illia@yshyn.com Subject: scripts: gdb: vfs: support external dentry names Date: Sun, 29 Jun 2025 02:38:11 +0200

d_shortname of struct dentry only reserves D_NAME_INLINE_LEN characters and contains garbage for longer names. Use d_name instead, which always references the valid name.

Link: https://lore.kernel.org/all/20250525213709.878287-2-illia@yshyn.com/ Link: https://lkml.kernel.org/r/20250629003811.2420418-1-illia@yshyn.com Fixes: 79300ac805b672a84b64 ("scripts/gdb: fix dentry_name() lookup") Signed-off-by: Illia Ostapyshyn illia@yshyn.com Tested-by: Florian Fainelli florian.fainelli@broadcom.com Reviewed-by: Florian Fainelli florian.fainelli@broadcom.com Cc: Al Viro viro@zeniv.linux.org.uk Cc: Christian Brauner brauner@kernel.org Cc: Jan Kara jack@suse.cz Cc: Jan Kiszka jan.kiszka@siemens.com Cc: Kieran Bingham kbingham@kernel.org Cc: stable@vger.kernel.org Signed-off-by: Andrew Morton akpm@linux-foundation.org ---

scripts/gdb/linux/vfs.py | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/scripts/gdb/linux/vfs.py~scripts-gdb-vfs-support-external-dentry-names +++ a/scripts/gdb/linux/vfs.py @@ -22,7 +22,7 @@ def dentry_name(d): if parent == d or parent == 0: return "" p = dentry_name(d['d_parent']) + "/" - return p + d['d_shortname']['string'].string() + return p + d['d_name']['name'].string()

class DentryName(gdb.Function): """Return string of the full path of a dentry. _

Patches currently in -mm which might be from illia@yshyn.com are

scripts-gdb-vfs-support-external-dentry-names.patch