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2017-07-07libceph: ceph_decode_skip_* helpersIlya Dryomov
Some of these won't be as efficient as they could be (e.g. ceph_decode_skip_set(... 32 ...) could advance by len * sizeof(u32) once instead of advancing by sizeof(u32) len times), but that's fine and not worth a bunch of extra macro code. Replace skip_name_map() with ceph_decode_skip_map as an example. Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
2017-07-07libceph: kill __{insert,lookup,remove}_pg_mapping()Ilya Dryomov
Switch to DEFINE_RB_FUNCS2-generated {insert,lookup,erase}_pg_mapping(). Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
2017-07-07libceph: introduce and switch to decode_pg_mapping()Ilya Dryomov
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
2017-07-07libceph: don't pass pgid by valueIlya Dryomov
Make __{lookup,remove}_pg_mapping() look like their ceph_spg_mapping counterparts: take const struct ceph_pg *. Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
2017-07-07libceph: respect RADOS_BACKOFF backoffsIlya Dryomov
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
2017-07-07libceph: avoid unnecessary pi lookups in calc_target()Ilya Dryomov
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
2017-07-07libceph: use target pi for calc_target() calculationsIlya Dryomov
For luminous and beyond we are encoding the actual spgid, which requires operating with the correct pg_num, i.e. that of the target pool. Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
2017-07-07libceph: always populate t->target_{oid,oloc} in calc_target()Ilya Dryomov
need_check_tiering logic doesn't make a whole lot of sense. Drop it and apply tiering unconditionally on every calc_target() call instead. Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
2017-07-07libceph: make sure need_resend targets reflect latest mapIlya Dryomov
Otherwise we may miss events like PG splits, pool deletions, etc when we get multiple incremental maps at once. Because check_pool_dne() can now be fed an unlinked request, finish_request() needed to be taught to handle unlinked requests. Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
2017-07-07libceph: delete from need_resend_linger before check_linger_pool_dne()Ilya Dryomov
When processing a map update consisting of multiple incrementals, we may end up running check_linger_pool_dne() on a lingering request that was previously added to need_resend_linger list. If it is concluded that the target pool doesn't exist, the request is killed off while still on need_resend_linger list, which leads to a crash on a NULL lreq->osd in kick_requests(): libceph: linger_id 18446462598732840961 pool does not exist BUG: unable to handle kernel NULL pointer dereference at 0000000000000010 IP: ceph_osdc_handle_map+0x4ae/0x870 Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
2017-07-07libceph: resend on PG splits if OSD has RESEND_ON_SPLITIlya Dryomov
Note that ceph_osd_request_target fields are updated regardless of RESEND_ON_SPLIT. Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
2017-07-07libceph: drop need_resend from calc_target()Ilya Dryomov
Replace it with more fine-grained bools to separate updating ceph_osd_request_target fields and the decision to resend. Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
2017-07-07libceph: MOSDOp v8 encoding (actual spgid + full hash)Ilya Dryomov
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
2017-07-07libceph: ceph_connection_operations::reencode_message() methodIlya Dryomov
Give upper layers a chance to reencode the message after the connection is negotiated and ->peer_features is set. OSD client will use this to support both luminous and pre-luminous OSDs (in a single cluster): the former need MOSDOp v8; the latter will continue to be sent MOSDOp v4. Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
2017-07-07libceph: encode_{pgid,oloc}() helpersIlya Dryomov
Factor out encode_{pgid,oloc}() and use ceph_encode_string() for oid. Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
2017-07-07libceph: introduce ceph_spg, ceph_pg_to_primary_shard()Ilya Dryomov
Store both raw pgid and actual spgid in ceph_osd_request_target. Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
2017-07-07libceph: new pi->last_force_request_resendIlya Dryomov
The old (v15) pi->last_force_request_resend has been repurposed to make pre-RESEND_ON_SPLIT clients that don't check for PG splits but do obey pi->last_force_request_resend resend on splits. See ceph.git commit 189ca7ec6420 ("mon/OSDMonitor: make pre-luminous clients resend ops on split"). Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
2017-07-07libceph: fold [l]req->last_force_resend into ceph_osd_request_targetIlya Dryomov
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
2017-07-07libceph: support SERVER_JEWEL feature bitsIlya Dryomov
Only MON_STATEFUL_SUB, really. MON_ROUTE_OSDMAP and OSDSUBOP_NO_SNAPCONTEXT are irrelevant. Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
2017-07-07libceph: handle non-empty dest in ceph_{oloc,oid}_copy()Ilya Dryomov
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
2017-07-07libceph: remove ceph_sanitize_features() workaroundIlya Dryomov
Reflects ceph.git commit ff1959282826ae6acd7134e1b1ede74ffd1cc04a. Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
2017-07-07Merge tag 'mac80211-for-davem-2017-07-07' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211 Johannes Berg says: ==================== pull-request: mac80211 2017-07-07 Just got a set of fixes in from Jouni/QCA, all netlink validation fixes. I assume they ran some kind of checker, but I don't know what kind :) Please pull and let me know if there's any problem. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2017-07-07cfg80211: Validate frequencies nested in NL80211_ATTR_SCAN_FREQUENCIESSrinivas Dasari
validate_scan_freqs() retrieves frequencies from attributes nested in the attribute NL80211_ATTR_SCAN_FREQUENCIES with nla_get_u32(), which reads 4 bytes from each attribute without validating the size of data received. Attributes nested in NL80211_ATTR_SCAN_FREQUENCIES don't have an nla policy. Validate size of each attribute before parsing to avoid potential buffer overread. Fixes: 2a519311926 ("cfg80211/nl80211: scanning (and mac80211 update to use it)") Cc: stable@vger.kernel.org Signed-off-by: Srinivas Dasari <dasaris@qti.qualcomm.com> Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2017-07-07cfg80211: Define nla_policy for NL80211_ATTR_LOCAL_MESH_POWER_MODESrinivas Dasari
Buffer overread may happen as nl80211_set_station() reads 4 bytes from the attribute NL80211_ATTR_LOCAL_MESH_POWER_MODE without validating the size of data received when userspace sends less than 4 bytes of data with NL80211_ATTR_LOCAL_MESH_POWER_MODE. Define nla_policy for NL80211_ATTR_LOCAL_MESH_POWER_MODE to avoid the buffer overread. Fixes: 3b1c5a5307f ("{cfg,nl}80211: mesh power mode primitives and userspace access") Cc: stable@vger.kernel.org Signed-off-by: Srinivas Dasari <dasaris@qti.qualcomm.com> Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2017-07-07cfg80211: Check if NAN service ID is of expected sizeSrinivas Dasari
nla policy checks for only maximum length of the attribute data when the attribute type is NLA_BINARY. If userspace sends less data than specified, cfg80211 may access illegal memory. When type is NLA_UNSPEC, nla policy check ensures that userspace sends minimum specified length number of bytes. Remove type assignment to NLA_BINARY from nla_policy of NL80211_NAN_FUNC_SERVICE_ID to make these NLA_UNSPEC and to make sure minimum NL80211_NAN_FUNC_SERVICE_ID_LEN bytes are received from userspace with NL80211_NAN_FUNC_SERVICE_ID. Fixes: a442b761b24 ("cfg80211: add add_nan_func / del_nan_func") Cc: stable@vger.kernel.org Signed-off-by: Srinivas Dasari <dasaris@qti.qualcomm.com> Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2017-07-07cfg80211: Check if PMKID attribute is of expected sizeSrinivas Dasari
nla policy checks for only maximum length of the attribute data when the attribute type is NLA_BINARY. If userspace sends less data than specified, the wireless drivers may access illegal memory. When type is NLA_UNSPEC, nla policy check ensures that userspace sends minimum specified length number of bytes. Remove type assignment to NLA_BINARY from nla_policy of NL80211_ATTR_PMKID to make this NLA_UNSPEC and to make sure minimum WLAN_PMKID_LEN bytes are received from userspace with NL80211_ATTR_PMKID. Fixes: 67fbb16be69d ("nl80211: PMKSA caching support") Cc: stable@vger.kernel.org Signed-off-by: Srinivas Dasari <dasaris@qti.qualcomm.com> Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2017-07-06Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nfDavid S. Miller
Pablo Neira Ayuso says: ==================== Netfilter fixes for net The following patchset contains two Netfilter fixes for your net tree, they are: 1) Fix memleak from netns release path of conntrack protocol trackers, patch from Liping Zhang. 2) Uninitialized flags field in ebt_log, that results in unpredictable logging format in ebtables, also from Liping. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2017-07-06sctp: set the value of flowi6_oif to sk_bound_dev_if to make sctp_v6_get_dst ↵Zheng Li
to find the correct route entry. if there are several same route entries with different outgoing net device, application's socket specifies the oif through setsockopt with SO_BINDTODEVICE, sctpv6 should choose the route entry whose outgoing net device is the oif which was specified by socket, set the value of flowi6_oif to sk->sk_bound_dev_if to make sctp_v6_get_dst to find the correct route entry. Signed-off-by: Zheng Li <james.z.li@ericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-07-06TLS: Fix length check in do_tls_getsockopt_tx()Matthias Rosenfelder
copy_to_user() copies the struct the pointer is pointing to, but the length check compares against sizeof(pointer) and not sizeof(struct). On 32-bit the size is probably the same, so it might have worked accidentally. Signed-off-by: Matthias Rosenfelder <mrosenfelder.lkml@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-07-06tcp: md5: tcp_md5_do_lookup_exact() can be staticWu Fengguang
Fixes: 6797318e623d ("tcp: md5: add an address prefix for key lookup") Signed-off-by: Fengguang Wu <fengguang.wu@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-07-06net: ipv6: Compare lwstate in detecting duplicate nexthopsDavid Ahern
Lennert reported a failure to add different mpls encaps in a multipath route: $ ip -6 route add 1234::/16 \ nexthop encap mpls 10 via fe80::1 dev ens3 \ nexthop encap mpls 20 via fe80::1 dev ens3 RTNETLINK answers: File exists The problem is that the duplicate nexthop detection does not compare lwtunnel configuration. Add it. Fixes: 19e42e451506 ("ipv6: support for fib route lwtunnel encap attributes") Signed-off-by: David Ahern <dsahern@gmail.com> Reported-by: João Taveira Araújo <joao.taveira@gmail.com> Reported-by: Lennert Buytenhek <buytenh@wantstofly.org> Acked-by: Roopa Prabhu <roopa@cumulusnetworks.com> Tested-by: Lennert Buytenhek <buytenh@wantstofly.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-07-05Merge branch 'work.memdup_user' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs Pull memdup_user() conversions from Al Viro: "A fairly self-contained series - hunting down open-coded memdup_user() and memdup_user_nul() instances" * 'work.memdup_user' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: bpf: don't open-code memdup_user() kimage_file_prepare_segments(): don't open-code memdup_user() ethtool: don't open-code memdup_user() do_ip_setsockopt(): don't open-code memdup_user() do_ipv6_setsockopt(): don't open-code memdup_user() irda: don't open-code memdup_user() xfrm_user_policy(): don't open-code memdup_user() ima_write_policy(): don't open-code memdup_user_nul() sel_write_validatetrans(): don't open-code memdup_user_nul()
2017-07-05Merge branch 'work.misc-set_fs' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs Pull misc user access cleanups from Al Viro: "The first pile is assorted getting rid of cargo-culted access_ok(), cargo-culted set_fs() and field-by-field copyouts. The same description applies to a lot of stuff in other branches - this is just the stuff that didn't fit into a more specific topical branch" * 'work.misc-set_fs' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: Switch flock copyin/copyout primitives to copy_{from,to}_user() fs/fcntl: return -ESRCH in f_setown when pid/pgid can't be found fs/fcntl: f_setown, avoid undefined behaviour fs/fcntl: f_setown, allow returning error lpfc debugfs: get rid of pointless access_ok() adb: get rid of pointless access_ok() isdn: get rid of pointless access_ok() compat statfs: switch to copy_to_user() fs/locks: don't mess with the address limit in compat_fcntl64 nfsd_readlink(): switch to vfs_get_link() drbd: ->sendpage() never needed set_fs() fs/locks: pass kernel struct flock to fcntl_getlk/setlk fs: locks: Fix some troubles at kernel-doc comments
2017-07-05Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-nextLinus Torvalds
Pull networking updates from David Miller: "Reasonably busy this cycle, but perhaps not as busy as in the 4.12 merge window: 1) Several optimizations for UDP processing under high load from Paolo Abeni. 2) Support pacing internally in TCP when using the sch_fq packet scheduler for this is not practical. From Eric Dumazet. 3) Support mutliple filter chains per qdisc, from Jiri Pirko. 4) Move to 1ms TCP timestamp clock, from Eric Dumazet. 5) Add batch dequeueing to vhost_net, from Jason Wang. 6) Flesh out more completely SCTP checksum offload support, from Davide Caratti. 7) More plumbing of extended netlink ACKs, from David Ahern, Pablo Neira Ayuso, and Matthias Schiffer. 8) Add devlink support to nfp driver, from Simon Horman. 9) Add RTM_F_FIB_MATCH flag to RTM_GETROUTE queries, from Roopa Prabhu. 10) Add stack depth tracking to BPF verifier and use this information in the various eBPF JITs. From Alexei Starovoitov. 11) Support XDP on qed device VFs, from Yuval Mintz. 12) Introduce BPF PROG ID for better introspection of installed BPF programs. From Martin KaFai Lau. 13) Add bpf_set_hash helper for TC bpf programs, from Daniel Borkmann. 14) For loads, allow narrower accesses in bpf verifier checking, from Yonghong Song. 15) Support MIPS in the BPF selftests and samples infrastructure, the MIPS eBPF JIT will be merged in via the MIPS GIT tree. From David Daney. 16) Support kernel based TLS, from Dave Watson and others. 17) Remove completely DST garbage collection, from Wei Wang. 18) Allow installing TCP MD5 rules using prefixes, from Ivan Delalande. 19) Add XDP support to Intel i40e driver, from Björn Töpel 20) Add support for TC flower offload in nfp driver, from Simon Horman, Pieter Jansen van Vuuren, Benjamin LaHaise, Jakub Kicinski, and Bert van Leeuwen. 21) IPSEC offloading support in mlx5, from Ilan Tayari. 22) Add HW PTP support to macb driver, from Rafal Ozieblo. 23) Networking refcount_t conversions, From Elena Reshetova. 24) Add sock_ops support to BPF, from Lawrence Brako. This is useful for tuning the TCP sockopt settings of a group of applications, currently via CGROUPs" * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1899 commits) net: phy: dp83867: add workaround for incorrect RX_CTRL pin strap dt-bindings: phy: dp83867: provide a workaround for incorrect RX_CTRL pin strap cxgb4: Support for get_ts_info ethtool method cxgb4: Add PTP Hardware Clock (PHC) support cxgb4: time stamping interface for PTP nfp: default to chained metadata prepend format nfp: remove legacy MAC address lookup nfp: improve order of interfaces in breakout mode net: macb: remove extraneous return when MACB_EXT_DESC is defined bpf: add missing break in for the TCP_BPF_SNDCWND_CLAMP case bpf: fix return in load_bpf_file mpls: fix rtm policy in mpls_getroute net, ax25: convert ax25_cb.refcount from atomic_t to refcount_t net, ax25: convert ax25_route.refcount from atomic_t to refcount_t net, ax25: convert ax25_uid_assoc.refcount from atomic_t to refcount_t net, sctp: convert sctp_ep_common.refcnt from atomic_t to refcount_t net, sctp: convert sctp_transport.refcnt from atomic_t to refcount_t net, sctp: convert sctp_chunk.refcnt from atomic_t to refcount_t net, sctp: convert sctp_datamsg.refcnt from atomic_t to refcount_t net, sctp: convert sctp_auth_bytes.refcnt from atomic_t to refcount_t ...
2017-07-05bpf: add missing break in for the TCP_BPF_SNDCWND_CLAMP caseColin Ian King
There appears to be a missing break in the TCP_BPF_SNDCWND_CLAMP case. Currently the non-error path where val is greater than zero falls through to the default case that sets the error return to -EINVAL. Add in the missing break. Detected by CoverityScan, CID#1449376 ("Missing break in switch") Fixes: 13bf96411ad2 ("bpf: Adds support for setting sndcwnd clamp") Signed-off-by: Colin Ian King <colin.king@canonical.com> Acked-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Lawrence Brakmo <brakmo@fb.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-07-05mpls: fix rtm policy in mpls_getrouteRoopa Prabhu
fix rtm policy name typo in mpls_getroute and also remove export of rtm_ipv4_policy Fixes: 397fc9e5cefe ("mpls: route get support") Reported-by: David S. Miller <davem@davemloft.net> Signed-off-by: Roopa Prabhu <roopa@cumulusnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-07-04net, ax25: convert ax25_cb.refcount from atomic_t to refcount_tReshetova, Elena
refcount_t type and corresponding API should be used instead of atomic_t when the variable is used as a reference counter. This allows to avoid accidental refcounter overflows that might lead to use-after-free situations. Signed-off-by: Elena Reshetova <elena.reshetova@intel.com> Signed-off-by: Hans Liljestrand <ishkamiel@gmail.com> Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: David Windsor <dwindsor@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-07-04net, ax25: convert ax25_route.refcount from atomic_t to refcount_tReshetova, Elena
refcount_t type and corresponding API should be used instead of atomic_t when the variable is used as a reference counter. This allows to avoid accidental refcounter overflows that might lead to use-after-free situations. Signed-off-by: Elena Reshetova <elena.reshetova@intel.com> Signed-off-by: Hans Liljestrand <ishkamiel@gmail.com> Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: David Windsor <dwindsor@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-07-04net, ax25: convert ax25_uid_assoc.refcount from atomic_t to refcount_tReshetova, Elena
refcount_t type and corresponding API should be used instead of atomic_t when the variable is used as a reference counter. This allows to avoid accidental refcounter overflows that might lead to use-after-free situations. Signed-off-by: Elena Reshetova <elena.reshetova@intel.com> Signed-off-by: Hans Liljestrand <ishkamiel@gmail.com> Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: David Windsor <dwindsor@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-07-04net, sctp: convert sctp_ep_common.refcnt from atomic_t to refcount_tReshetova, Elena
refcount_t type and corresponding API should be used instead of atomic_t when the variable is used as a reference counter. This allows to avoid accidental refcounter overflows that might lead to use-after-free situations. Signed-off-by: Elena Reshetova <elena.reshetova@intel.com> Signed-off-by: Hans Liljestrand <ishkamiel@gmail.com> Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: David Windsor <dwindsor@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-07-04net, sctp: convert sctp_transport.refcnt from atomic_t to refcount_tReshetova, Elena
refcount_t type and corresponding API should be used instead of atomic_t when the variable is used as a reference counter. This allows to avoid accidental refcounter overflows that might lead to use-after-free situations. Signed-off-by: Elena Reshetova <elena.reshetova@intel.com> Signed-off-by: Hans Liljestrand <ishkamiel@gmail.com> Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: David Windsor <dwindsor@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-07-04net, sctp: convert sctp_chunk.refcnt from atomic_t to refcount_tReshetova, Elena
refcount_t type and corresponding API should be used instead of atomic_t when the variable is used as a reference counter. This allows to avoid accidental refcounter overflows that might lead to use-after-free situations. Signed-off-by: Elena Reshetova <elena.reshetova@intel.com> Signed-off-by: Hans Liljestrand <ishkamiel@gmail.com> Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: David Windsor <dwindsor@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-07-04net, sctp: convert sctp_datamsg.refcnt from atomic_t to refcount_tReshetova, Elena
refcount_t type and corresponding API should be used instead of atomic_t when the variable is used as a reference counter. This allows to avoid accidental refcounter overflows that might lead to use-after-free situations. Signed-off-by: Elena Reshetova <elena.reshetova@intel.com> Signed-off-by: Hans Liljestrand <ishkamiel@gmail.com> Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: David Windsor <dwindsor@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-07-04net, sctp: convert sctp_auth_bytes.refcnt from atomic_t to refcount_tReshetova, Elena
refcount_t type and corresponding API should be used instead of atomic_t when the variable is used as a reference counter. This allows to avoid accidental refcounter overflows that might lead to use-after-free situations. Signed-off-by: Elena Reshetova <elena.reshetova@intel.com> Signed-off-by: Hans Liljestrand <ishkamiel@gmail.com> Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: David Windsor <dwindsor@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-07-04net, xfrm: convert sec_path.refcnt from atomic_t to refcount_tReshetova, Elena
refcount_t type and corresponding API should be used instead of atomic_t when the variable is used as a reference counter. This allows to avoid accidental refcounter overflows that might lead to use-after-free situations. Signed-off-by: Elena Reshetova <elena.reshetova@intel.com> Signed-off-by: Hans Liljestrand <ishkamiel@gmail.com> Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: David Windsor <dwindsor@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-07-04net, xfrm: convert xfrm_policy.refcnt from atomic_t to refcount_tReshetova, Elena
refcount_t type and corresponding API should be used instead of atomic_t when the variable is used as a reference counter. This allows to avoid accidental refcounter overflows that might lead to use-after-free situations. Signed-off-by: Elena Reshetova <elena.reshetova@intel.com> Signed-off-by: Hans Liljestrand <ishkamiel@gmail.com> Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: David Windsor <dwindsor@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-07-04net, xfrm: convert xfrm_state.refcnt from atomic_t to refcount_tReshetova, Elena
refcount_t type and corresponding API should be used instead of atomic_t when the variable is used as a reference counter. This allows to avoid accidental refcounter overflows that might lead to use-after-free situations. Signed-off-by: Elena Reshetova <elena.reshetova@intel.com> Signed-off-by: Hans Liljestrand <ishkamiel@gmail.com> Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: David Windsor <dwindsor@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-07-04net, x25: convert x25_neigh.refcnt from atomic_t to refcount_tReshetova, Elena
refcount_t type and corresponding API should be used instead of atomic_t when the variable is used as a reference counter. This allows to avoid accidental refcounter overflows that might lead to use-after-free situations. Signed-off-by: Elena Reshetova <elena.reshetova@intel.com> Signed-off-by: Hans Liljestrand <ishkamiel@gmail.com> Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: David Windsor <dwindsor@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-07-04net, x25: convert x25_route.refcnt from atomic_t to refcount_tReshetova, Elena
refcount_t type and corresponding API should be used instead of atomic_t when the variable is used as a reference counter. This allows to avoid accidental refcounter overflows that might lead to use-after-free situations. Signed-off-by: Elena Reshetova <elena.reshetova@intel.com> Signed-off-by: Hans Liljestrand <ishkamiel@gmail.com> Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: David Windsor <dwindsor@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-07-04net, rds: convert rds_message.m_refcount from atomic_t to refcount_tReshetova, Elena
refcount_t type and corresponding API should be used instead of atomic_t when the variable is used as a reference counter. This allows to avoid accidental refcounter overflows that might lead to use-after-free situations. Signed-off-by: Elena Reshetova <elena.reshetova@intel.com> Signed-off-by: Hans Liljestrand <ishkamiel@gmail.com> Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: David Windsor <dwindsor@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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