[PATCH v3 0/3] KEYS: Read keys to internal buffer & then copy to userspace · Waiman Long <longman@redhat.com> · 2020-03-13
[PATCH v3 1/3] KEYS: Don't write out to userspace while holding key semaphore · Waiman Long <longman@redhat.com> · 2020-03-13
Re: [PATCH v3 1/3] KEYS: Don't write out to userspace while holding key semaphore · Jarkko Sakkinen <hidden> · 2020-03-15
Re: [PATCH v3 1/3] KEYS: Don't write out to userspace while holding key semaphore · Jarkko Sakkinen <hidden> · 2020-03-15
Re: [PATCH v3 1/3] KEYS: Don't write out to userspace while holding key semaphore · David Howells <dhowells@redhat.com> · 2020-03-16
Re: [PATCH v3 1/3] KEYS: Don't write out to userspace while holding key semaphore · Jarkko Sakkinen <hidden> · 2020-03-16
Re: [PATCH v3 1/3] KEYS: Don't write out to userspace while holding key semaphore · Waiman Long <longman@redhat.com> · 2020-03-16
Re: [PATCH v3 1/3] KEYS: Don't write out to userspace while holding key semaphore · Waiman Long <longman@redhat.com> · 2020-03-17
Re: [PATCH v3 1/3] KEYS: Don't write out to userspace while holding key semaphore · David Howells <dhowells@redhat.com> · 2020-03-16
Re: [PATCH v3 1/3] KEYS: Don't write out to userspace while holding key semaphore · David Howells <dhowells@redhat.com> · 2020-03-16
Re: [PATCH v3 1/3] KEYS: Don't write out to userspace while holding key semaphore · Waiman Long <longman@redhat.com> · 2020-03-17
[PATCH v3 2/3] KEYS: Avoid false positive ENOMEM error on key read · Waiman Long <longman@redhat.com> · 2020-03-13
Re: [PATCH v3 2/3] KEYS: Avoid false positive ENOMEM error on key read · Jarkko Sakkinen <hidden> · 2020-03-15
Re: [PATCH v3 2/3] KEYS: Avoid false positive ENOMEM error on key read · Waiman Long <longman@redhat.com> · 2020-03-17
[PATCH v3 3/3] KEYS: Use kvmalloc() to better handle large buffer allocation · Waiman Long <longman@redhat.com> · 2020-03-13
Re: [PATCH v3 3/3] KEYS: Use kvmalloc() to better handle large buffer allocation · Eric Biggers <ebiggers@kernel.org> · 2020-03-13
Re: [PATCH v3 3/3] KEYS: Use kvmalloc() to better handle large buffer allocation · Waiman Long <longman@redhat.com> · 2020-03-13
Re: [PATCH v3 3/3] KEYS: Use kvmalloc() to better handle large buffer allocation · Jarkko Sakkinen <hidden> · 2020-03-15
Re: [PATCH v3 3/3] KEYS: Use kvmalloc() to better handle large buffer allocation · Waiman Long <longman@redhat.com> · 2020-03-15
Re: [PATCH v3 3/3] KEYS: Use kvmalloc() to better handle large buffer allocation · David Howells <dhowells@redhat.com> · 2020-03-16
Re: [PATCH v3 3/3] KEYS: Use kvmalloc() to better handle large buffer allocation · Waiman Long <longman@redhat.com> · 2020-03-16
Re: [PATCH v3 3/3] KEYS: Use kvmalloc() to better handle large buffer allocation · Jarkko Sakkinen <hidden> · 2020-03-16

Re: [PATCH v3 1/3] KEYS: Don't write out to userspace while holding key semaphore

From: David Howells <dhowells@redhat.com>
Date: 2020-03-16 11:34:33
Also in: keyrings, linux-integrity, lkml

Jarkko Sakkinen [off-list ref] wrote:

Do you have a test case that can reproduce this on a constant basis?

In this case it's quite tricky because a network filesystem is involved.  I
wonder if it might be possible to do it with fscrypt or ecryptfs.

David

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