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net: change sock.sk_ino and sock_i_ino() to u64

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inode->i_ino is being converted to a u64. sock.sk_ino (which caches the
inode number) must also be widened to avoid truncation on 32-bit
architectures where unsigned long is only 32 bits.

Change sk_ino from unsigned long to u64, and update the return type
of sock_i_ino() to match. Fix all format strings that print the
result of sock_i_ino() (%lu -> %llu), and widen the intermediate
variables and function parameters in the diag modules that were
using int to hold the inode number.

Note that the UAPI socket diag structures (inet_diag_msg.idiag_inode,
unix_diag_msg.udiag_ino, etc.) are all __u32 and cannot be changed
without breaking the ABI. The assignments to those fields will
silently truncate, which is the existing behavior.

Acked-by: Marc Kleine-Budde <mkl@pengutronix.de> # for net/can
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Link: https://patch.msgid.link/20260304-iino-u64-v3-3-2257ad83d372@kernel.org
Signed-off-by: Christian Brauner <brauner@kernel.org>
This commit is contained in:
Jeff Layton
2026-03-04 10:32:33 -05:00
committed by Christian Brauner
parent 125dfa2181
commit 0fe27e5985
20 changed files with 26 additions and 26 deletions
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2
net/unix/af_unix.c
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@@ -3537,7 +3537,7 @@ static int unix_seq_show(struct seq_file *seq, void *v)
struct unix_sock *u = unix_sk(s);
unix_state_lock(s);
seq_printf(seq, "%pK: %08X %08X %08X %04X %02X %5lu",
seq_printf(seq, "%pK: %08X %08X %08X %04X %02X %5llu",
s,
refcount_read(&s->sk_refcnt),
0,