Commit 170d1a37 authored by Carlos Llamas's avatar Carlos Llamas Committed by Greg Kroah-Hartman
Browse files

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: 162c7973 ("binder: avoid user addresses in debug logs")
Signed-off-by: default avatarCarlos Llamas <cmllamas@google.com>
Reviewed-by: default avatarTiffany Y. Yang <ynaffit@google.com>
Link: https://lore.kernel.org/r/20250325184902.587138-1-cmllamas@google.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 8e553520

drivers/android/binder.c

+1 −1
Original line number Diff line number Diff line
@@ -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,