| Commit message (Collapse) | Author | Age | Files | Lines |
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Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
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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]
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Fixes #552
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A previous commit included some non-regenerateed files.
Regenerate them now.
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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.
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Update #533
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It seems that alignment is never present in the nlattr.
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Fix typos, non-canonical code, remove dead code, etc.
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Also fix uffd and bluetooth consts while we are here.
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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.
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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.
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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.
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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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Squash complex structs into flat byte array and mutate this array
with generic blob mutations. This allows to mutate what we currently
consider as paddings and add/remove paddings from structs, etc.
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Fix alignemnt calculation for packed structs with alignment and bitfields.
Amusingly this affected only a single real struct -- ipv6_fragment_ext_header.
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IDs change whenever a call is added or removed,
this leads to large diffs unnecessarly.
Assign IDs dynamically.
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Mostly remove vma as return from some mm syscalls.
This is unnecessary and we never used these.
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1. mmap all memory always, without explicit mmap calls in the program.
This makes lots of things much easier and removes lots of code.
Makes mmap not a special syscall and allows to fuzz without mmap enabled.
2. Change address assignment algorithm.
Current algorithm allocates unmapped addresses too frequently
and allows collisions between arguments of a single syscall.
The new algorithm analyzes actual allocations in the program
and places new arguments at unused locations.
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1. Fix connlimit netfilter match version.
2. Fix xt_time_info layout.
3. Introduce mac_addr_mask type.
4. Limit vlan id's for better matches between them.
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Put the underflow entry at the end.
Entries must end on an unconditional, non-goto entry,
otherwise fallthrough from the last entry is invalid.
Add arp tables support.
Split unspec matches/targets to unspec and inet.
Reset ipv6 and arp tables in executor.
Fix number of counters in tables.
Plus a bunch of assorted fixes for matches/targets.
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We currently print unsupported consts to console during make extract.
But this is not very useful as there are too many output now.
This also does not allow to understand what's unsupported
in newly checked-in descriptions, or what's unsupported in all current
decriptions.
Save unsupported consts to the const files instead.
This solves all of the above problems.
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Since we use int64, it has 8-byte alignment.
It's wrong, it must have 1-byte alignment.
Use int8 instead.
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Lots of TODOs and only ipv4, but some start.
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