diff options
| author | Oleg Nesterov <[email protected]> | 2024-02-26 16:56:50 +0000 |
|---|---|---|
| committer | Andrew Morton <[email protected]> | 2024-03-06 21:07:39 +0000 |
| commit | dd69edd643a8263f9a96d0a3a82d8d50d9df9b48 (patch) | |
| tree | e90e0026e66f87f09d0fe323ad052ca499f722b4 /lib/assoc_array.c | |
| parent | get_signal: don't abuse ksig->info.si_signo and ksig->sig (diff) | |
| download | kernel-dd69edd643a8263f9a96d0a3a82d8d50d9df9b48.tar.gz kernel-dd69edd643a8263f9a96d0a3a82d8d50d9df9b48.zip | |
get_signal: hide_si_addr_tag_bits: fix the usage of uninitialized ksig
ksig->ka and ksig->info are not initialized if get_signal() returns 0 or
if the caller is PF_USER_WORKER.
Check signr != 0 before SA_EXPOSE_TAGBITS and move the "out" label down.
The latter means that ksig->sig won't be initialized if a PF_USER_WORKER
thread gets a fatal signal but this is fine, PF_USER_WORKER's don't use
ksig. And there is nothing new, in this case ksig->ka and ksig-info are
not initialized anyway. Add a comment.
Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Oleg Nesterov <[email protected]>
Cc: Christian Brauner <[email protected]>
Cc: Eric W. Biederman <[email protected]>
Cc: Peter Collingbourne <[email protected]>
Cc: Wen Yang <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Diffstat (limited to 'lib/assoc_array.c')
0 files changed, 0 insertions, 0 deletions