Messages in this thread | | | From | Elena Reshetova <> | Subject | [PATCH 0/5] fs, xfs refcount conversions | Date | Wed, 8 Mar 2017 10:53:34 +0200 |
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v3: * fixed header file inclusion
Now when new refcount_t type and API are finally merged (see include/linux/refcount.h), the following patches convert various refcounters in the xfs susystem from atomic_t to refcount_t. By doing this we prevent intentional or accidental underflows or overflows that can led to use-after-free vulnerabilities.
Elena Reshetova (5): fs, xfs: convert xfs_bui_log_item.bui_refcount from atomic_t to refcount_t fs, xfs: convert xfs_efi_log_item.efi_refcount from atomic_t to refcount_t fs, xfs: convert xlog_ticket.t_ref from atomic_t to refcount_t fs, xfs: convert xfs_cui_log_item.cui_refcount from atomic_t to refcount_t fs, xfs: convert xfs_rui_log_item.rui_refcount from atomic_t to refcount_t
fs/xfs/xfs_bmap_item.c | 4 ++-- fs/xfs/xfs_bmap_item.h | 2 +- fs/xfs/xfs_extfree_item.c | 4 ++-- fs/xfs/xfs_extfree_item.h | 2 +- fs/xfs/xfs_linux.h | 1 + fs/xfs/xfs_log.c | 10 +++++----- fs/xfs/xfs_log_priv.h | 2 +- fs/xfs/xfs_refcount_item.c | 4 ++-- fs/xfs/xfs_refcount_item.h | 2 +- fs/xfs/xfs_rmap_item.c | 4 ++-- fs/xfs/xfs_rmap_item.h | 2 +- 11 files changed, 19 insertions(+), 18 deletions(-)
-- 2.7.4
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