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* sys/linux: add i2c generic descriptionDenis Efremov2018-04-191-10/+60
| | | | Basic description of i2c from SIL2LinuxMP workshop.
* sys/linux/socket_netlink_route: update RTM_GETSTATS PAYLOAD formatHangbin Liu2018-04-191-5/+5
| | | | | | | | Update RTM_GETSTATS PAYLOAD format. Also fix ipv4_getroute and ipmr_getroute PAYLOAD format. Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
* executor: support 32-bit kernelsDmitry Vyukov2018-04-162-20/+26
| | | | | There is no autodetection yet, but at least bitness is encapsulated in cover_t type.
* executor: don't fail if IPv6 is not enabledDmitry Vyukov2018-04-161-1/+7
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* executor: add two slave interfaces for bridge,bond,teamHangbin Liu2018-04-132-12/+29
| | | | | | | | Bridge device is used for forwarding. Bond/team device is used for load balance and fail over. So it would make more sense to add two slave interfaces for these devices. Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
* sys/linux/rdma_cm: remove RDMA_PS_SDPHangbin Liu2018-04-131-5/+5
| | | | | | | RDMA_PS_SDP has been removed since commit 1b90d3002e3ee ("RDMA/CMA: remove RDMA_PS_SDP") Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
* sys/linux: add veth devices to devnamesDmitry Vyukov2018-04-112-6/+9
| | | | Also comment new veth code for future me.
* executor: add salve interface for bond0/team0Hangbin Liu2018-04-111-2/+6
| | | | | | | | | | | | Add a veth pair with name bond/team_slave and set their master to bond0/team0. Remove veth from devtypes because the cmd `ip link add veth0 type veth` will actually failed with "RTNETLINK answers: File exists" and no veth interface created. When create veth device, kernel will create a pair of veth, so no need to create them one by one. Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
* sys/linux: improve team descriptionsDmitry Vyukov2018-04-061-10/+15
| | | | | | | | | | | | | | | | | | | 1. Create ifindex_team, because TEAM_ATTR_TEAM_IFINDEX must always point to a team device. 2. Remove output only attributes like team_attr_item_port, TEAM_ATTR_LIST_PORT, TEAM_ATTR_OPTION_CHANGED. 3. Restructure team_nl_option_policy: we always want TEAM_ATTR_OPTION_NAME/TYPE/DATA + optionally TEAM_ATTR_OPTION_ARRAY_INDEX and TEAM_ATTR_OPTION_PORT_IFINDEX. 4. Provide specialized team_nl_option_policy_per_port and team_nl_option_policy_array. 5. Make team_attr_option varlen. 6. Remove unnecessary indirection via team_attr_list_option/team_attr_list_port. 7. Fix data type for bpf_hash_func and lb_tx_hash_to_port_mapping.
* executor: create team deviceDmitry Vyukov2018-04-061-6/+8
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* sys/linux: add netlink generic team descriptionsHangbin Liu2018-04-061-10/+35
| | | | Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
* executor: update to support FreeBSD kcovMitchell Horne2018-04-051-0/+51
| | | | | | Make the required changes to the BSD executor file to interface with FreeBSD's kernel coverage implementation. This will allow coverage to be used when running syzkaller on this platform.
* sys/linux: test various binfmt's in execveDmitry Vyukov2018-04-022-10/+62
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* pkg/compiler: support non-zero terminated filenamesDmitry Vyukov2018-04-021-5/+5
| | | | | | | | | | | | | | | Now file names become: string[filename] with a possibility of using other string features: stringnoz[filename] string[filename, CONST_SIZE] and filename is left as type alias as it is commonly used: type filename string[filename]
* executor: fix unchecked result warningDmitry Vyukov2018-04-011-1/+3
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* sys/linux: add support for reading partition tablesDmitry Vyukov2018-04-012-13/+110
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* sys/linux: fix misspelled const nameDmitry Vyukov2018-03-311-5/+5
| | | | Fixes #552
* executor: fix compilation warningsDmitry Vyukov2018-03-301-14/+8
| | | | | | | | SYS_memfd_create define produces warning in scource if system headers already contain the definition (we strip all ifdefs!). The same is true for CLONE_NEWCGROUP but we just never hit it yet. Also fix format string for 32 bits. Also fix potential uninit var in csource, and a missing new line.
* sys/linux: add support for mounting filesystem imagesDmitry Vyukov2018-03-305-21/+249
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* sys/linux: regenerate filesDmitry Vyukov2018-03-291-5/+5
| | | | | A previous commit included some non-regenerateed files. Regenerate them now.
* executor: don't let syscalls fail with errno=0Dmitry Vyukov2018-03-281-0/+2
| | | | | Our syz syscalls may mishandle errno in some cases and fail with errno=0. Fix it up.
* executor: rework cgroups supportDmitry Vyukov2018-03-272-43/+39
| | | | | | | | | | Turns out creating a cgroup per test is too expensive. Moreover, it leads to hanged tasks as cgroup destruction is asynchronous and overloads kernel work queues. Create only a single cgroup per proc, but restrict descriptions to mess with that single group, instead test processes create own nested cgroups for messing.
* sys/linux: add IPVS descriptionsDmitry Vyukov2018-03-261-10/+195
| | | | Update #533
* executor: fix reset of bridge netfilterDmitry Vyukov2018-03-251-0/+2
| | | | We left entries non-zero, so memcmp always failed.
* sys/linux: add cgroup descriptionsDmitry Vyukov2018-03-256-168/+347
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* sys/linux: add guehdr for udp packetsDmitry Vyukov2018-03-211-5/+5
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* sys/linux: add netlink fou descriptionsDmitry Vyukov2018-03-212-10/+84
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* sys/linux: fix nlattr alignmentDmitry Vyukov2018-03-211-5/+5
| | | | It seems that alignment is never present in the nlattr.
* fuchsia: Update syzkaller to build with current Fuchsia API. (#543)Julia Hansbrough2018-03-212-47/+23
| | | | | | | | | | | | | | | | | | | | | * fuchsia: Fix the `extractor` tool. The include path in Zircon has changed; updated syz-extract/fuchsia.go to include this, and re-ran extract to get updated *.const files. * fuchsia: Update syzkaller to build with current Fuchsia API. Fuchsia doesn't have a stable API right now, so alas, this will probably continue to change until that's nailed down. But, useful to get this up-to-date at least. Relevant notes: * zx_channel_call_finish and _retry aren't technically public; leave them out until we have a less-cludgy way to expose them * musl supports setjmp/longjmp but not _setjmp/_longjump * remove some unsupported syscalls * update the build invocation
* fuchsia: Fix the `extractor` tool.Julia Hansbrough2018-03-211-2/+2
| | | | | The include path in Zircon has changed; updated syz-extract/fuchsia.go to include this, and re-ran extract to get updated *.const files.
* all: fix gometalinter warningsDmitry Vyukov2018-03-082-5/+13
| | | | Fix typos, non-canonical code, remove dead code, etc.
* executor: fix ifdef's for csourceDmitry Vyukov2018-03-072-2/+3
| | | | | | | There is test failure on travis: https://travis-ci.org/google/syzkaller/jobs/349948391 I can't reproduce it locally, and it only happened on 1.8, but not on 1.9? But this seems to be what could have provoked such failure.
* sys/linux: add descriptions for /dev/infiniband/rdma_cmDmitry Vyukov2018-03-061-10/+44
| | | | Also fix uffd and bluetooth consts while we are here.
* sys/linux: fix perf_event_attr layoutDmitry Vyukov2018-03-061-5/+5
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* executor: fix includesDmitry Vyukov2018-03-051-1/+6
| | | | | | We use errno, vaargs, printf in all of fail/error/exitf, but we include the corresponding headers only when SYZ_USE_TMP_DIR. Include them whenever fail/error/exitf are used.
* sys/linux: add syz_init_net_socket syscallDmitry Vyukov2018-03-053-52/+94
| | | | | | | | | | | The new pseudo syscall allows opening sockets that can only be created in init net namespace (BLUETOOTH, NFC, LLC). Use it to open these sockets. Unfortunately this only works with sandbox none at the moment. The problem is that setns of a network namespace requires CAP_SYS_ADMIN in the target namespace, and we've lost all privs in the init namespace during creation of a user namespace.
* sys/linux: make ifreq template, fix some usagesDmitry Vyukov2018-03-051-5/+5
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* prog: harden program parsing against description changes moreDmitry Vyukov2018-03-051-4/+6
| | | | | | | Handle most of type changes, e.g. const is changed to struct, or struct to pointers. In all these cases we create default args. They may not give the coverage anymore, but still better than losing them right away.
* prog: handle excessive args and fields during program parsingDmitry Vyukov2018-03-051-4/+10
| | | | | Tolerate excessive args and fields during program parsing. This is useful after description changes to not lose corpus.
* sys/linux: use size attributes on structsDmitry Vyukov2018-03-051-5/+5
| | | | | | | | | | | 1. Add size attribte on sockaddr. 2. Remove sockaddr's that are larger than 16 bytes from sockaddr. 3. Add size attribute on sockaddr_storage which wasn't actually 128 bytes. 4. Add size attribute to ifreq. 5. Fix ifmap field types as uncovered by the size attributes. 6. Fix sockaddr_storage_tcp from struct to union which is should be. 7. Make sockaddr_un_file fixed size as it should be. 8. Fix some explicit paddings that were only correct for 64 bits.
* pkg/compiler: allow specifying static size for filename'sDmitry Vyukov2018-03-051-4/+6
| | | | Sometimes filenames are embed into structs and need to take fixed space.
* pkg/compiler: support size attribute for unionsDmitry Vyukov2018-03-051-4/+6
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* pkg/compiler: add size attribute for structsDmitry Vyukov2018-03-051-4/+6
| | | | The size attribute allows to pad a struct up to the specified size.
* sys/linux: a bunch of assorted improvements and fixesDmitry Vyukov2018-03-051-33/+13
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* sys/linux: add remaining aux netfilter descriptionsDmitry Vyukov2018-03-011-10/+98
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* sys/linux: few assorted additionsDmitry Vyukov2018-02-261-9/+17
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* prog: properly squash bitfieldsDmitry Vyukov2018-02-261-2/+2
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* executor: simplify initialize_tunDmitry Vyukov2018-02-262-27/+30
| | | | Remove executor_pid, enable_tun and setup_tun.
* sys/linux: remove proc type from network descriptionsDmitry Vyukov2018-02-262-46/+28
| | | | | | | | | | We now always create net namespace for testing, so socket ports and other IDs do not overlap between different test processes. Proc types play badly with squashing packets to ANYBLOB. To squash into a block we need concrete value, but it depends on process id. Removing proc also makes tun setup and address descriptions simpler.
* sys/linux: make tcp_seq_num asymmetricDmitry Vyukov2018-02-261-5/+5
| | | | | | Currently it's 0x42424242 so it's not possible to understand the value endianess in hints code. Make it assymmetric so that endinaness is clear.
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