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UPSTREAM: binder: log transaction code on failure

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When a transaction fails, log the 'tr->code' to help indentify the
problematic userspace call path. This additional information will
simplify debugging efforts.

Cc: Steven Moreland <smoreland@google.com>
Signed-off-by: Carlos Llamas <cmllamas@google.com>
Reviewed-by: Alice Ryhl <aliceryhl@google.com>
Link: https://lore.kernel.org/r/20250110175051.2656975-1-cmllamas@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Bug: 388902813
(cherry picked from commit 48dc1c3608befa1ede8465805ca5cbc2ddf5df8a)
Change-Id: Icd0364386e28b28fe6b32d1cf4f3c76a66215853
Signed-off-by: Carlos Llamas <cmllamas@google.com>
This commit is contained in:
Carlos Llamas
2025-01-10 17:50:50 +00:00
committed by Treehugger Robot
parent afe9d579c0
commit 21812d46a6
1 changed files with 2 additions and 2 deletions
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drivers/android/binder.c
+2 -2
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@@ -4008,13 +4008,13 @@ err_invalid_target_handle:
}
binder_debug(BINDER_DEBUG_FAILED_TRANSACTION,
"%d:%d transaction %s to %d:%d failed %d/%d/%d, size %lld-%lld line %d\n",
"%d:%d transaction %s to %d:%d failed %d/%d/%d, code %u size %lld-%lld line %d\n",
proc->pid, thread->pid, reply ? "reply" :
(tr->flags & TF_ONE_WAY ? "async" : "call"),
target_proc ? target_proc->pid : 0,
target_thread ? target_thread->pid : 0,
t_debug_id, return_error, return_error_param,
(u64)tr->data_size, (u64)tr->offsets_size,
tr->code, (u64)tr->data_size, (u64)tr->offsets_size,
return_error_line);
if (target_thread)