|author||Hans Petter Selasky <hselasky@FreeBSD.org>||2022-06-23 09:31:17 +0000|
|committer||Hans Petter Selasky <hselasky@FreeBSD.org>||2022-06-25 10:01:59 +0000|
busdma: Protect ARM busdma bounce page counters using the bounce page lock.
In bus_dmamap_unload() on ARM, the counters for free_bpages and reserved_bpages appear to be vulnerable to unprotected read-modify-write operations that result in accounting that looks like a page leak. This was noticed on a 2GB quad core i.MX6 system that has more than one device attached via FTDI based USB serial connection. Submitted by: John Hein <email@example.com> Differential Revision: https://reviews.freebsd.org/D35553 PR: 264836 MFC after: 3 days Sponsored by: NVIDIA Networking
Diffstat (limited to 'lib/libcbor/cbor/cbor_export.h')
0 files changed, 0 insertions, 0 deletions