From 0b2600f81cefcdfcda58d50df7be8fd48ada8ce2 Mon Sep 17 00:00:00 2001 From: Jeff Layton Date: Wed, 4 Mar 2026 10:32:42 -0500 Subject: treewide: change inode->i_ino from unsigned long to u64 On 32-bit architectures, unsigned long is only 32 bits wide, which causes 64-bit inode numbers to be silently truncated. Several filesystems (NFS, XFS, BTRFS, etc.) can generate inode numbers that exceed 32 bits, and this truncation can lead to inode number collisions and other subtle bugs on 32-bit systems. Change the type of inode->i_ino from unsigned long to u64 to ensure that inode numbers are always represented as 64-bit values regardless of architecture. Update all format specifiers treewide from %lu/%lx to %llu/%llx to match the new type, along with corresponding local variable types. This is the bulk treewide conversion. Earlier patches in this series handled trace events separately to allow trace field reordering for better struct packing on 32-bit. Signed-off-by: Jeff Layton Link: https://patch.msgid.link/20260304-iino-u64-v3-12-2257ad83d372@kernel.org Acked-by: Damien Le Moal Reviewed-by: Christoph Hellwig Reviewed-by: Jan Kara Reviewed-by: Chuck Lever Signed-off-by: Christian Brauner --- kernel/events/uprobes.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'kernel') diff --git a/kernel/events/uprobes.c b/kernel/events/uprobes.c index 923b24b321cc..4084e926e284 100644 --- a/kernel/events/uprobes.c +++ b/kernel/events/uprobes.c @@ -344,7 +344,7 @@ out: static void update_ref_ctr_warn(struct uprobe *uprobe, struct mm_struct *mm, short d) { - pr_warn("ref_ctr %s failed for inode: 0x%lx offset: " + pr_warn("ref_ctr %s failed for inode: 0x%llx offset: " "0x%llx ref_ctr_offset: 0x%llx of mm: 0x%p\n", d > 0 ? "increment" : "decrement", uprobe->inode->i_ino, (unsigned long long) uprobe->offset, @@ -982,7 +982,7 @@ static struct uprobe *insert_uprobe(struct uprobe *uprobe) static void ref_ctr_mismatch_warn(struct uprobe *cur_uprobe, struct uprobe *uprobe) { - pr_warn("ref_ctr_offset mismatch. inode: 0x%lx offset: 0x%llx " + pr_warn("ref_ctr_offset mismatch. inode: 0x%llx offset: 0x%llx " "ref_ctr_offset(old): 0x%llx ref_ctr_offset(new): 0x%llx\n", uprobe->inode->i_ino, (unsigned long long) uprobe->offset, (unsigned long long) cur_uprobe->ref_ctr_offset, -- cgit v1.2.3