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Author SHA1 Message Date
Idan Horowitz
1d76be97f5 LibJS: Implement Temporal.PlainDate.prototype.inLeapYear 2021-07-23 22:00:23 +01:00
Idan Horowitz
c9ae7e1af1 LibJS: Implement Temporal.Calendar.prototype.inLeapYear 2021-07-23 22:00:23 +01:00
Idan Horowitz
dd15fc471c LibJS: Implement Temporal.PlainDate.prototype.monthsInYear 2021-07-23 22:00:23 +01:00
Idan Horowitz
342172da37 LibJS: Implement Temporal.Calendar.prototype.monthsInYear 2021-07-23 22:00:23 +01:00
Idan Horowitz
b1dd09840b LibJS: Implement Temporal.PlainDate.prototype.daysInYear 2021-07-23 22:00:23 +01:00
Idan Horowitz
7f27035342 LibJS: Implement Temporal.Calendar.prototype.daysInYear 2021-07-23 22:00:23 +01:00
Idan Horowitz
3160540d0e LibJS: Implement Temporal.PlainDate.prototype.daysInMonth 2021-07-23 22:00:23 +01:00
Idan Horowitz
69c8b8e8bd LibJS: Implement Temporal.Calendar.prototype.daysInMonth 2021-07-23 22:00:23 +01:00
Idan Horowitz
2150f5b374 LibJS: Implement Temporal.PlainDate.prototype.daysInWeek 2021-07-23 22:00:23 +01:00
Idan Horowitz
623df361e6 LibJS: Implement Temporal.Calendar.prototype.daysInWeek 2021-07-23 22:00:23 +01:00
Idan Horowitz
2cf582436f LibJS: Implement Temporal.PlainDate.prototype.weekOfYear 2021-07-23 22:00:23 +01:00
Idan Horowitz
d22fe25643 LibJS: Implement Temporal.Calendar.prototype.weekOfYear 2021-07-23 22:00:23 +01:00
Idan Horowitz
d561535ac9 LibJS: Implement Temporal.PlainDate.prototype.dayOfYear 2021-07-23 22:00:23 +01:00
Idan Horowitz
c0e7761758 LibJS: Implement Temporal.Calendar.prototype.dayOfYear 2021-07-23 22:00:23 +01:00
Idan Horowitz
bcbfd5b280 LibJS: Implement Temporal.PlainDate.prototype.dayOfWeek 2021-07-23 22:00:23 +01:00
Idan Horowitz
339b0a17e8 LibJS: Implement Temporal.Calendar.prototype.dayOfWeek 2021-07-23 22:00:23 +01:00
Idan Horowitz
59dc0e8421 LibJS: Implement Temporal.PlainDate.prototype.day 2021-07-23 22:00:23 +01:00
Idan Horowitz
8a20f258f0 LibJS: Implement Temporal.Calendar.prototype.day 2021-07-23 22:00:23 +01:00
Idan Horowitz
d9414e465a LibJS: Implement Temporal.PlainDate.prototype.monthCode 2021-07-23 22:00:23 +01:00
Idan Horowitz
9d9ba29cae LibJS: Implement Temporal.Calendar.prototype.monthCode 2021-07-23 22:00:23 +01:00
Idan Horowitz
a0af9b11fb LibJS: Implement Temporal.PlainDate.prototype.month 2021-07-23 22:00:23 +01:00
Idan Horowitz
3bec18432a LibJS: Implement Temporal.Calendar.prototype.month 2021-07-23 22:00:23 +01:00
Idan Horowitz
8434ca6c4b LibJS: Implement Temporal.PlainDate.prototype.year 2021-07-23 22:00:23 +01:00
Idan Horowitz
3895a8354d LibJS: Implement Temporal.Calendar.prototype.year 2021-07-23 22:00:23 +01:00
Idan Horowitz
9fa8f19a0f LibJS: Implement Temporal.PlainDate.prototype.withCalendar 2021-07-23 22:00:23 +01:00
Idan Horowitz
8123e957e3 LibJS: Add missing PlainDateTime case in ToTemporalDate 2021-07-23 22:00:23 +01:00
Gunnar Beutner
54fb5637e7 Kernel: Add missing .globl definitions 
This ensures that we can properly take the address of these symbols in
other code.
 2021-07-23 22:13:43 +02:00
Gunnar Beutner
8642c831cf Kernel: Mark a few more things as READONLY_AFTER_INIT 2021-07-23 20:23:09 +02:00
Gunnar Beutner
18f8d08b98 Kernel: Always build the kernel without default libs 
When building the kernel from within SerenityOS we would link it against
default libs which doesn't really make sense to me.
 2021-07-23 19:06:51 +02:00
Gunnar Beutner
a6c4a4d2fc Kernel: Make some of the assembly code position-independent on x86_64 2021-07-23 19:06:51 +02:00
Gunnar Beutner
412ce31f7f Prekernel: Don't build the prekernel as a PIE image 
This is unnecessary because the prekernel is always loaded at a known
base address.
 2021-07-23 19:06:51 +02:00
Gunnar Beutner
0edc17ee76 Kernel: Make -pie work for x86_64 2021-07-23 19:06:51 +02:00
Brian Gianforcaro
9d8482c3e8 Kernel: Use StringView when parsing pledges in sys$pledge(..) 
This ensures no potential allocation as in some cases the pledge char*
could be promoted to AK::String by the compiler to execute the
comparison.
 2021-07-23 19:02:25 +02:00
Brian Gianforcaro
c2282ee28d Tests: Add test coverage for sys$pledge(..) argument validation 2021-07-23 19:02:25 +02:00
Brian Gianforcaro
e4b86aa5d8 Kernel: Fix bug where we half apply pledges in sys$pledge(..) 
This bug manifests it self when the caller to sys$pledge() passes valid
promises, but invalid execpromises. The code would apply the promises
and then return an error for the execpromises. This leaves the user in
a confusing state, as the promises were silently applied, but we return
an error suggesting the operation has failed.

Avoid this situation by tweaking the implementation to only apply the
promises / execpromises after all validation has occurred.
 2021-07-23 19:02:25 +02:00
Brian Gianforcaro
36ff717c54 Kernel: Migrate sys$pledge to use the KString API 
This avoids potential unhandled OOM that's possible with the old
copy_string_from_user API.
 2021-07-23 19:02:25 +02:00
Brian Gianforcaro
8acbe03342 Kernel: Annotate kernel_base and friends as READONLY_AFTER_INIT 
We don't want kernel_base to be modifiable by an attacker or a stray
memory scribbler bug, so lets mark it as READONLY_AFTER_INIT.
 2021-07-23 19:02:25 +02:00
Brian Gianforcaro
fa448456a9 Tests: Add test coverage for sys$unveil(..) argument validation 2021-07-23 19:02:25 +02:00
Brian Gianforcaro
baec9e2d2d Kernel: Migrate sys$unveil to use the KString API 
This avoids potential unhandled OOM that's possible with the old
copy_string_from_user API.
 2021-07-23 19:02:25 +02:00
Brian Gianforcaro
2e7728bb05 Kernel: Use StringView literals for fs_type match in sys$mount(..) 2021-07-23 19:02:25 +02:00
Brian Gianforcaro
a3787b9db7 Kernel: Remove another ARCH ifdef using RegisterState::flags() 2021-07-23 19:02:25 +02:00
Itamar
8241a6c8eb TextEditor: Allow starting with a file argument that doesn't exist 
If TextEditor is started with an argument for a file that doesn't
exist, we now allow editing it.

The file will be created once it is saved.
 2021-07-23 21:19:30 +04:30
Ali Mohammad Pur
36bfc912fc LibRegex: Switch to east-const style 2021-07-23 21:19:21 +04:30
Ali Mohammad Pur
c8b2199251 LibRegex: Clear previous capture group contents in ECMA262 mode 
ECMA262 requires that the capture groups only contain the values from
the last iteration, e.g. `((c)(a)?(b))` should _not_ contain 'a' in the
second capture group when matching "cabcb".
 2021-07-23 21:19:21 +04:30
Idan Horowitz
34ec0fa8ad CI: Skip commit linter line length check on lines that contain URLs 2021-07-23 20:27:12 +04:30
Ali Mohammad Pur
7b88857c5a LibWeb: Manually convert the js bigint to a wasm i64 value 
SignedBigInteger::export() generates sign-magnitude, but the native i64
type uses 2's comp, make this work by exporting it as unsigned and
tweaking the sign later.
 2021-07-23 17:36:15 +04:30
Ali Mohammad Pur
03629a2b3c LibWeb: Read the correct types in WebAssembly's to_js_value() 
A wasm value containing an F64 does not contain a float, etc.
 2021-07-23 17:36:15 +04:30
Andreas Kling
13a2e91fc5 Kernel: No need to use safe_memcpy() when handling an inode fault 
We're copying the inode contents from a stack buffer into a page that
we just quick-mapped, so there's no reason for this memcpy() to fail.
 2021-07-23 14:19:47 +02:00
stelar7
8264511d32 LibWeb: Dont try to parse "data" urls as links 2021-07-23 14:18:17 +02:00
Brian Gianforcaro
204d5ff8f8 Kernel: Reduce useful ROP gadgets by zeroing used function registers 
GCC-11 added a new option `-fzero-call-used-regs` which causes the
compiler to zero function arguments before return of a function. The
goal being to reduce the possible attack surface by disarming ROP
gadgets that might be potentially useful to attackers, and reducing
the risk of information leaks via stale register data. You can find
the GCC commit below[0].

This is a mitigation I noticed on the Linux KSPP issue tracker[1] and
thought it would be useful mitigation for the SerenityOS Kernel.

The reduction in ROP gadgets is observable using the ropgadget utility:

    $ ROPgadget --nosys --nojop --binary Kernel | tail -n1
    Unique gadgets found: 42754

    $ ROPgadget --nosys --nojop --binary Kernel.RegZeroing | tail -n1
    Unique gadgets found: 41238

The size difference for the i686 Kernel binary is negligible:

    $ size Kernel Kernel.RegZerogin
        text    data     bss     dec      hex filename
    13253648 7729637 6302360 27285645 1a0588d Kernel
    13277504 7729637 6302360 27309501 1a0b5bd Kernel.RegZeroing

We don't have any great workloads to measure regressions in Kernel
performance, but Kees Cook mentioned he measured only around %1
performance regression with this enabled on his Linux kernel build.[2]

References:
[0] d10f3e900b
[1] https://github.com/KSPP/linux/issues/84
[2] https://lore.kernel.org/lkml/20210714220129.844345-1-keescook@chromium.org/
 2021-07-23 14:18:04 +02:00