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Author SHA1 Message Date
Ben Wiederhake
d5925f33aa UserspaceEmulator: Implement set_process_name syscall 2021-03-11 08:54:54 +01:00
Ben Wiederhake
ec8e3edd05 UserspaceEmulator: Split large file into logical pieces 2021-03-11 08:54:54 +01:00
Luke
4477a0d6fd LibWeb: Remove FIXME in is_javascript_mime_type_essence_match 
This was misleading. The spec just wants us to check a string matches
a string in the JavaScript MIME type essence list. It doesn't want us
to parse the string as a MIME type to then use its essence for the
check.

Renames "mime_type" to "string" to make this less misleading.
 2021-03-11 08:30:02 +01:00
Tom
929c90f8c8 Meta: Add gdb command to serenity.sh 
This uses tmux for a split screen setup, which makes it easy do debug
the kernel while viewing the QEMU output in the same terminal.
 2021-03-11 08:29:23 +01:00
Andreas Kling
de6c5128fd Kernel: Move process pledge promises into protected data 2021-03-10 22:50:00 +01:00
Andreas Kling
37ad880660 Kernel: Move process "dumpable" flag into protected data 2021-03-10 22:42:07 +01:00
Andreas Kling
3d27269f13 Kernel: Move process parent PID into protected data :^) 2021-03-10 22:30:02 +01:00
Andreas Kling
d677a73b0e Kernel: Move process extra_gids into protected data :^) 2021-03-10 22:30:02 +01:00
Andreas Kling
cbcf891040 Kernel: Move select Process members into protected memory 
Process member variable like m_euid are very valuable targets for
kernel exploits and until now they have been writable at all times.

This patch moves m_euid along with a whole bunch of other members
into a new Process::ProtectedData struct. This struct is remapped
as read-only memory whenever we don't need to write to it.

This means that a kernel write primitive is no longer enough to
overwrite a process's effective UID, you must first unprotect the
protected data where the UID is stored. :^)
 2021-03-10 22:30:02 +01:00
Andreas Kling
839d2d70a4 Kernel: Add non-const KBuffer::impl() getter 2021-03-10 22:30:02 +01:00
Andreas Kling
a77ecac900 fuzz-syscalls: Mark sys$emuctl() as someone who returns ENOSYS 
This syscall is only relevant inside UserspaceEmulator and the kernel
will just return ENOSYS for it.
 2021-03-10 16:36:11 +01:00
Andreas Kling
9b5c9efd73 Kernel: Build with -Wvla 
Now that all use of VLA's (variable-length arrays) has been purged from
the kernel, let's make sure we don't reintroduce them.
 2021-03-10 16:33:55 +01:00
Andreas Kling
e58a600d52 Kernel: Remove VLA usage in Ext2FS block traversal code 
This was using up to 12KB of kernel stack in the triply indirect case
and looks generally spooky. Let's just allocate a ByteBuffer for now
and take the performance hit (of heap allocation). Longer term we can
reorganize the code to reduce the majority of the heap churn.
 2021-03-10 16:33:47 +01:00
Andreas Kling
3dbb9c8448 Kernel: Turn a VLA into a statically-sized array in dump_backtrace() 2021-03-10 16:23:11 +01:00
Andreas Kling
ced8dfa037 UserspaceEmulator: Remove debug spam about tracked malloc blocks 2021-03-10 15:21:26 +01:00
Brendan Coles
0e18c7ffda Documentation: Add Serenity installation guide for VMware 2021-03-10 11:59:32 +01:00
Andreas Kling
54f6436598 Kernel: Convert klog() => dmesgln() in TCPSocket 2021-03-09 23:06:47 +01:00
Andreas Kling
b007bc07b7 Kernel: Convert klog() => dmesgln() in MemoryManager 2021-03-09 22:44:04 +01:00
Andreas Kling
232738fb7a Kernel: Use dbgln_if() and PANIC() in Thread.cpp 2021-03-09 22:35:51 +01:00
Andreas Kling
c67d550df1 Kernel: Convert klog() => dmesgln() in IPv4Socket 2021-03-09 22:25:09 +01:00
Andreas Kling
b12734cf13 Kernel: Convert klog() => dmesgln() in PageDirectory 2021-03-09 22:10:41 +01:00
Andreas Kling
65131334e7 Kernel: Convert klog() => dmesgln() in E1000NetworkAdapter 2021-03-09 22:10:41 +01:00
Andreas Kling
c8a8923842 Kernel: Convert klog() => dmesgln() in init() 2021-03-09 22:10:41 +01:00
Andreas Kling
ac1c01cc30 Kernel: Convert klog() => dmesgln() in ARP/routing code 2021-03-09 22:10:41 +01:00
Andreas Kling
aef6474ea7 Kernel: Convert klog() to dmesgln() in Region 2021-03-09 22:10:41 +01:00
Andreas Kling
4d30166d61 AK: Add Formatter for RefPtr 2021-03-09 22:10:41 +01:00
Andreas Kling
07564577c0 Kernel: Convert klog() => dmesgln() in AnonymousVMObject 2021-03-09 22:10:41 +01:00
Andreas Kling
db0bca4153 Kernel: Convert klog() => dmesgln() in HPET 2021-03-09 22:10:41 +01:00
Andreas Kling
ed8d68d8fe Kernel: Convert klog() => dmesgln() in KernelRng 2021-03-09 22:10:41 +01:00
Andreas Kling
a906670d1c Kernel: Convert klog() => dmesgln() in VMWareBackdoor 2021-03-09 22:10:41 +01:00
Andreas Kling
5fd3006db2 Kernel: Convert klog() => dmesgln() in PS2MouseDevice 2021-03-09 22:10:41 +01:00
Andreas Kling
52ef08081c Kernel: Remove some unused things in kmalloc.cpp 2021-03-09 22:10:41 +01:00
Andreas Kling
cb4fcaa4b5 Kernel: Convert klog() => dmesgln() in kmalloc 2021-03-09 22:10:41 +01:00
Andreas Kling
10f10abaa3 Kernel: Convert klog() => dmesgln() in filesystem code 2021-03-09 22:10:41 +01:00
Andreas Kling
2fc684f6bc Kernel: Remove ancient FIFO_DEBUG code 2021-03-09 22:10:41 +01:00
Ben Wiederhake
a265ea98b9 Utilities: Add a quotes database and 'fortunes' program 
I told you, we need a quotes ~~page~~ file! :D
 2021-03-09 22:10:30 +01:00
Andreas Kling
df621b9415 LibWeb: Run clang-format on CSS/Parser/StyleComponentValueRule.h 2021-03-09 20:06:52 +01:00
Andreas Kling
7c222d1bdf LibWeb: Run clang-format on CSS/Parser/Token.h 2021-03-09 20:06:23 +01:00
Andreas Kling
5a050cb8d1 LibX86: Don't use "if (foo) [[unlikely]] { }" for now (to please clang) 2021-03-09 17:47:28 +01:00
Andreas Kling
ad152bfa59 LibWeb: Add a whole bunch of rule classes for the new CSS parser 
Original work by @stelar7.
 2021-03-09 17:36:21 +01:00
Andreas Kling
16cde3f14a LibWeb: Rename CSSParser => DeprecatedCSSParser 2021-03-09 17:35:57 +01:00
Andreas Kling
078f0a5c67 LibWeb: Add specification-based CSS tokenizer 
Original work by @stelar7 for #2628.
 2021-03-09 17:35:38 +01:00
Andreas Kling
82aea65bd3 UserspaceEmulator: Add fast-path for is<MmapRegion>() 
Don't use default RTTI for these since they are performance-sensitive.
 2021-03-09 15:17:15 +01:00
Andreas Kling
656cd477c2 UserspaceEmulator+LibX86: Sprinkle some [[unlikely]] and ALWAYS_INLINE 2021-03-09 15:10:08 +01:00
Andreas Kling
c192b6c61d Emulator: Use libc.so bounds to fast-reject non-malloc addresses 
The auditing code always starts by checking if we're in one of the
ignored code ranges (malloc, free, realloc, syscall, etc.)

To reduce the number of checks needed, we can cache the bounds of
the LibC text segment. This allows us to fast-reject addresses that
cannot possibly be a LibC function.
 2021-03-09 15:01:08 +01:00
Brendan Coles
0c46918b73 UserspaceEmulator: Support FLDL2E / FLDPI, fix typos, use M_LN2 constant 2021-03-09 14:57:55 +01:00
Andreas Kling
54bd2ee738 UserspaceEmulator: Add Emulator::dump_regions() helper function 2021-03-09 14:44:54 +01:00
Andreas Kling
397f564144 UserspaceEmulator: Honor alignment requests in virt$mmap(MAP_RANDOMIZED) 2021-03-09 14:42:49 +01:00
Andreas Kling
0bf457f715 UserspaceEmulator: Add partial support for some more x87 instructions 
Patch by @bcoles
 2021-03-09 14:30:30 +01:00
Andreas Kling
57142a29a0 UserspaceEmulator: Don't set the MmapRegion malloc-block bit too early 
We were setting it before the malloc metadata had been instantiated.

Fixes #5707.
 2021-03-09 13:57:17 +01:00