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Author SHA1 Message Date
Anton Lindqvist
912c93d745 executor: fix typo in comment 2018-07-23 11:11:32 +02:00
Anton Lindqvist
54bb6b9222 prog: add missing Default() implementation for ConstType 2018-07-23 11:11:32 +02:00
Anton Lindqvist
e3c4ac00ee executor: ensure RLIMIT_NOFILE is greater than kInPipeFd 2018-07-23 11:11:32 +02:00
Anton Lindqvist
3f17ab418a executor: add missing cover_size_ptr field 2018-07-23 11:11:32 +02:00
Jiangen Jiao
f69c5fcd76 syz-manager: Support kernelSrc and vmlinux from different tree 
If vmlinux built from different tree from kernelSrc, cover page will failed to
show. So match only the path without prefix.
 2018-07-23 09:52:04 +02:00
Dmitry Vyukov
8cc079c3f6 syz-ci: fix poll of fixing commits 2018-07-20 20:48:34 +02:00
Dmitry Vyukov
af255b09a7 pkg/vcs: poll fixing commits on akaros and fuchsia 2018-07-20 20:26:59 +02:00
Dmitry Vyukov
49f3583951 pkg/report: add another akaros backtrace message 2018-07-18 17:34:19 +02:00
Dmitry Vyukov
809256c36c dashboard/config: add fs.mount-max = 100 sysctl 
See "mnt: Add a per mount namespace limit on the number of mounts"
commit for details.
 2018-07-18 11:14:00 +02:00
Dmitry Vyukov
6d5bd5b5eb syz-ci: fix arch passed to build.Clean 2018-07-17 17:55:52 +02:00
Hangbin Liu
570df9b277 sys/linux/socket_netlink_route: add specific policies for IFLA_LINKINFO 
Add interface specified policies for IFLA_LINKINFO. I only added the
interfaces we create in initial setup. Remain other types of interfaces
in the TODO list.

Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
 2018-07-17 10:08:31 +02:00
Dmitry Vyukov
1376136672 sys/akaros: add a bunch of global files for akaros 2018-07-16 20:30:09 +02:00
Dmitry Vyukov
40cb0c9aa6 sys/akaros: fix signatures of file syscalls 
Most of them differ and accept path length and/or pid.
 2018-07-16 17:39:58 +02:00
Dmitry Vyukov
bad4246bf2 pkg/report: improve akaros reporter and implement symbolization 2018-07-16 17:03:14 +02:00
Dmitry Vyukov
df5ae5f537 sys/akaros: don't call provision(-1) 
It causes kernel debug splat,
which has high chances of corrupting kernel crashes.
 2018-07-16 17:02:02 +02:00
Dmitry Vyukov
474681b37b executor: add timeout for akaros 2018-07-16 17:01:07 +02:00
Dmitry Vyukov
7cfcfa6a73 sys/akaros: disable init_arsc syscall 
It unconditionally crashes kernel now.
 2018-07-16 16:57:35 +02:00
Dmitry Vyukov
58293c9eb3 pkg/report: fix kmalloc bug in krealloc 2018-07-16 10:16:21 +02:00
Dmitry Vyukov
92a4950507 pkg/host: add "network devices" feature 
Linux executor sets up some network devices for testing,
detect when that's supported on the machine and don't
do it if it's not supported.
 2018-07-13 12:46:32 +02:00
Dmitry Vyukov
fcdb43e97d sys/linux: regenerate files 2018-07-13 12:44:14 +02:00
Dmitry Vyukov
d1dc5f516d pkg/compiler: fix error format string 2018-07-13 12:35:16 +02:00
Dmitry Vyukov
3d741171f2 pkg/report: add "lock held when returning to user space" format for older kernels 2018-07-13 10:31:26 +02:00
Dmitry Vyukov
06c33b3af0 prog: sanitize calls after hints mutation 
Hints mutation could produce unsanitized calls.
Sanitize calls after hints mutation.
Also sanitize on load (in validate), because bad programs
can already be in corpuses. And it's just the right thing
to do because sanitization rules can change over time.
 2018-07-12 12:40:30 +02:00
Dmitry Vyukov
3986ce95fd pkg/report: add report format for "lock held when returning to user space" 
This report does not have stack trace, so we always detected it as corrupted.
 2018-07-12 12:38:52 +02:00
Dmitry Vyukov
3855819991 dashboard/config: enable CONFIG_DEBUG_AID_FOR_SYZBOT 2018-07-12 12:38:36 +02:00
Dmitry Vyukov
f642b4185a sys/linux: improve fuse descriptions 2018-07-12 12:36:38 +02:00
Dmitry Vyukov
95e7a88b97 sys/linux: implement fuse as normal syscalls 
Remove syz_fuse* and implement them as normal syscalls.
We not have enough expressive power to form mount options.
 2018-07-10 16:18:45 +02:00
Dmitry Vyukov
01e3571841 pkg/host: check that we can open files rather than that they exist 
See issue #640 where /dev/net/tun is present, but open fails with ENODEV.
Check that we can actually open all these files.

Fixes #640
 2018-07-10 13:44:59 +02:00
Dmitry Vyukov
2e0e3130f9 pkg/build: update initrd name 
Seems to have been renamed.
 2018-07-10 11:14:36 +02:00
Dmitry Vyukov
7c31f7a78d pkg/build: always do clean build for fuchsia 
We frequently see boot errors like:

[00010.201] 02991.03067> pkgsvr: 2018/06/30 23:39:41 system: failed to set system root from blob "ccbadb3901372b1e0fc5275f627f708bf3e5f3acfb0d4268638db0ff75fc7fd4": file does not exist

or:

[00003.691] 01126.01153> devmgr: launchpad /fs/blob/e66739acdd3d8efa3b7c9021e2107cf8431765c0b8eb0a1ec7f7dc7fd305f2f7 (pkgfs) failed: launchpad_vmo_from_file failure: -40

Presumably clean build may help.
 2018-07-10 11:05:04 +02:00
Dmitry Vyukov
9fa03fa5c9 syz-ci: don't put dynamic data into boot/test errors 
We append underlying error to the title of boot/test errors.
The error can come from anywhere and can contain dynamic data,
which can cause duplication of bugs.

Put the underlying error into report body instead.
 2018-07-10 10:19:48 +02:00
Dmitry Vyukov
40ed7e838a sys/linux: use fmt in filesystem options 
We currently generate poor formatted intergers,
generate proper integers using the new fmt type.
 2018-07-09 21:42:43 +02:00
Dmitry Vyukov
59da9e4393 sys/linux: use negative consts where useful 2018-07-09 20:54:47 +02:00
Dmitry Vyukov
710eefe85a pkg/compiler: support negative integers 
Currently we have to use 0xffffffffffffffff to represent -1,
and we can't express e.g. -20:20 int range.
Support negative consts to fix both problems.
 2018-07-09 20:47:07 +02:00
Dmitry Vyukov
f25e577041 sys/linux: refine 9p descriptions 
RVERSION needs to use 0xffff tag, otherwise parsing fails.
Use only tags 1 and 2. They are densely allocated,
so most of the time it's 1. And it needs to be correct in
multiple replies for mount to succeed. So limit tag space.
 2018-07-08 22:52:24 +02:00
Dmitry Vyukov
7004c9c8a8 executor: tweaks for better 9p testing 
See the added comments.
 2018-07-08 22:52:24 +02:00
Dmitry Vyukov
fb2fc0f4dc prog: fix pointer validation 
Query size after validating the object itself,
otherwise size can panic on corrupted object.
 2018-07-08 22:52:24 +02:00
Dmitry Vyukov
4bf3b336eb sys/linux: modernize cgroup descriptions 2018-07-08 22:52:24 +02:00
Dmitry Vyukov
e63a51b4b3 sys/linux: modernize selinux descriptions 2018-07-08 22:52:24 +02:00
Dmitry Vyukov
eb5690a56d sys/linux: extend 9p descriptions 
Add actual protocol messages.
 2018-07-08 22:52:24 +02:00
Dmitry Vyukov
1c667063a8 prog: don't generate filenames that escape sandbox 
All files that fuzzer works with must be in the working dir.
Using "/" is known to cause problems when fuzzer
removes files there or mounts something.
 2018-07-08 22:52:24 +02:00
Dmitry Vyukov
306ca0571c prog, pkg/compiler: support fmt type 
fmt type allows to convert intergers and resources
to string representation.
 2018-07-08 22:52:24 +02:00
Dmitry Vyukov
93213ec0d3 syz-manager/mgrconfig: default kernel_src to kernel_obj 
... which in turn defaults to vmlinux.
This makes it possible to only specify vmlinux or only kernel_obj.
 2018-07-08 22:52:24 +02:00
Dmitry Vyukov
e9da9436ad vm: fix "no output" detection 
We obviously need ticker instead of timer in MonitorExecution.
 2018-07-08 22:52:24 +02:00
Dmitry Vyukov
ef387e080a syz-manager: don't print loop state on info requests 
Printing loop state on info requests (e.g. due to http requests)
is somewhat confusing as no state change actually happens.
 2018-07-08 22:52:24 +02:00
Dmitry Vyukov
c9a7a4dccd executor: executor fix fuchsia build 2018-07-07 19:08:38 +02:00
Dmitry Vyukov
4b2ad42d41 sys/linux: refine vfat/msdos options 2018-07-07 16:25:40 +02:00
Julia Hansbrough
ab89aea98e sys/fuchsia: Update Fuchsia syscalls. 
Updates cover
* zx_vmo_create
* zx_clock_get_monotonic
* hypervisor- and vCPU-related syscalls
* system_get_features
* some DDK syscalls
 2018-07-07 13:56:36 +02:00
Dmitry Vyukov
6c0c0099a0 sys/linux: add 9p descriptions 
Only mount for now.
 2018-07-06 21:31:31 +02:00
Dmitry Vyukov
3abb98207d pkg/report: detect partial result errors 2018-07-06 20:25:02 +02:00