diff options
| author | Carlos Llamas <cmllamas@google.com> | 2025-03-25 18:49:00 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-04-15 15:11:12 +0200 |
| commit | 170d1a3738908eef6a0dbf378ea77fb4ae8e294d (patch) | |
| tree | 09067a2d8732b426da5affe810479b97591ad841 | |
| parent | 8e553520596bbd5ce832e26e9d721e6a0c797b8b (diff) | |
binder: fix offset calculation in debug log
The vma start address should be substracted from the buffer's user data
address and not the other way around.
Cc: Tiffany Y. Yang <ynaffit@google.com>
Cc: stable <stable@kernel.org>
Fixes: 162c79731448 ("binder: avoid user addresses in debug logs")
Signed-off-by: Carlos Llamas <cmllamas@google.com>
Reviewed-by: Tiffany Y. Yang <ynaffit@google.com>
Link: https://lore.kernel.org/r/20250325184902.587138-1-cmllamas@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/android/binder.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/android/binder.c b/drivers/android/binder.c index 76052006bd87..5fc2c8ee61b1 100644 --- a/drivers/android/binder.c +++ b/drivers/android/binder.c @@ -6373,7 +6373,7 @@ static void print_binder_transaction_ilocked(struct seq_file *m, seq_printf(m, " node %d", buffer->target_node->debug_id); seq_printf(m, " size %zd:%zd offset %lx\n", buffer->data_size, buffer->offsets_size, - proc->alloc.vm_start - buffer->user_data); + buffer->user_data - proc->alloc.vm_start); } static void print_binder_work_ilocked(struct seq_file *m, |