[PATCH 10/12] coredump: use override credential guard
Christian Brauner <[email protected]>
| Newsgroups | gmane.linux.kernel.aio.general,gmane.linux.file-systems,gmane.linux.kernel,gmane.linux.file-systems.union,gmane.linux.nfs,gmane.linux.kernel.cifs,gmane.network.samba.internals,gmane.linux.kernel.cgroups,gmane.linux.network,gmane.linux.kernel.cryptoapi |
|---|---|
| Message-ID | <20251103-work-creds-guards-prepare_creds-v1-10-b447b82f2c9b@kernel.org> |
Use override credential guards for scoped credential override with automatic restoration on scope exit. Signed-off-by: Christian Brauner <[email protected]> --- fs/coredump.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) diff --git a/fs/coredump.c b/fs/coredump.c index 5424a6c4e360..fe4099e0530b 100644 --- a/fs/coredump.c +++ b/fs/coredump.c @@ -1160,7 +1160,6 @@ void vfs_coredump(const kernel_siginfo_t *siginfo) struct core_name cn; const struct mm_struct *mm = current->mm; const struct linux_binfmt *binfmt = mm->binfmt; - const struct cred *old_cred; int argc = 0; struct coredump_params cprm = { .siginfo = siginfo, @@ -1197,11 +1196,8 @@ void vfs_coredump(const kernel_siginfo_t *siginfo) if (coredump_wait(siginfo->si_signo, &core_state) < 0) return; - old_cred = override_creds(cred); - - do_coredump(&cn, &cprm, &argv, &argc, binfmt); - - revert_creds(old_cred); + scoped_with_creds(cred) + do_coredump(&cn, &cprm, &argv, &argc, binfmt); coredump_cleanup(&cn, &cprm); return; } -- 2.47.3 -- To unsubscribe, send a message with 'unsubscribe linux-aio' in the body to [email protected]. For more info on Linux AIO, see: http://www.kvack.org/aio/ Don't email: <a href=mailto:"[email protected]">[email protected]</a>