src / sys

compat

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Sunday 22 Nov 2020
1:55 pm

Lucas Holt

Centralize compatability translation macros.

Copy the CP, PTRIN, etc macros from freebsd32.h into a sys/abi_compat.h

and replace existing definitation with includes where required. This

eliminates duplicate code and allows Linux and FreeBSD compatability

headers to be included in the same files.

Obtained from: CheriBSD

Options
    • -25
    • +1
    ./freebsd32/freebsd32.h
    • -6
    • +3
    ./linux/linux_ioctl.c
    • -10
    • +2
    ./linux/linux_timer.h
  4. … 9 more files in changeset.
2:02 am

Lucas Holt

|Remove bogus use of useracc() in (clock_)nanosleep. | |There's no point in pre-checking that we can access the user's rmtp |pointer before we do it in copyout(). | |While here, improve style(9) compliance.

Obtained from: FreeBSD

Options
    • -7
    • +2
    ./freebsd32/freebsd32_misc.c
  2. … 1 more file in changeset.
Saturday 21 Nov 2020
4:07 am

Lucas Holt

Clone the RCU interface into a sleepable and a non-sleepable part in the LinuxKPI.

Bump the freebsd compatibility version

Obtained from: FreeBSD

Options
    • -11
    • +16
    ./linuxkpi/common/include/linux/rcupdate.h
    • -37
    • +57
    ./linuxkpi/common/src/linux_rcu.c
  3. … 1 more file in changeset.
4:06 am

Lucas Holt

Some fixes for SRCU in the LinuxKPI.

Options
    • -3
    • +6
    ./linuxkpi/common/include/linux/srcu.h
Wednesday 18 Nov 2020
12:02 am

Lucas Holt

add linux iov pass through

Options
    • -0
    • +7
    ./linuxkpi/common/include/linux/pci.h
    • -0
    • +52
    ./linuxkpi/common/src/linux_pci.c
Sunday 15 Nov 2020
2:27 am

Lucas Holt

Add support for the device statistics IOCTL

Options
    • -0
    • +3
    ./linux/linux_ioctl.c
    • -1
    • +2
    ./linux/linux_ioctl.h
2:21 am

Lucas Holt

When closing a LinuxKPI file always use the real release function to avoid resource leakage when destroying a LinuxKPI character device.

Options
    • -2
    • +8
    ./linuxkpi/common/src/linux_compat.c
2:12 am

Lucas Holt

Extend the range of the return value from nsecs_to_jiffies64() to support Mesa's drm_syncobj usage, in the LinuxKPI.

While at it optimise the jiffies conversion functions to avoid repeated

and constant calculations.

Options
    • -22
    • +33
    ./linuxkpi/common/include/linux/jiffies.h
    • -0
    • +50
    ./linuxkpi/common/src/linux_compat.c
1:10 am

Lucas Holt

linux futex_put(): do not touch futex after dropping our reference.

Options
    • -1
    • +1
    ./linux/linux_futex.c
Saturday 14 Nov 2020
2:32 pm

Lucas Holt

Provide support for fdevname(3) on linuxkpi-backed devices.

Options
    • -1
    • +17
    ./linuxkpi/common/src/linux_compat.c
2:00 pm

Lucas Holt

Implement mmget_not_zero() in the LinuxKPI.

Options
    • -0
    • +6
    ./linuxkpi/common/include/linux/mm_types.h
Thursday 15 Oct 2020
9:46 am

Lucas Holt

With some popular multiplayer games (such as Counter-Strike: Global Offensive) the Linux Steam client likes to occasionally scan the game process memory, presumably as part anti-cheat measures. Turns out the client also expects each inode entry to be followed by a space character, otherwise the parsing code crashes.

Obtained from FreeBSD: https://reviews.freebsd.org/rS366722

Options
    • -1
    • +1
    ./linprocfs/linprocfs.c
Tuesday 08 Sep 2020
11:41 am

Lucas Holt

Remove kfreebsd references.

Options
    • -15
    • +0
    ./ia32/ia32_sysvec.c
  2. … 2 more files in changeset.
Wednesday 02 Sep 2020
2:06 pm

Lucas Holt

The kernel function handling exec(3) of a Linux binary did not correctly handle a calling process with multiple threads.

A multithread non-Linux process execing a Linux binary would fail a kernel

assertion, resuting in a kernel panic "thread_detach: emuldata not found."

Options
    • -14
    • +26
    ./linux/linux_emul.c
Friday 07 Aug 2020
11:51 pm

Lucas Holt

When handling a 32-bit sendmsg(2) call, the compat32 subsystem copies the control message to be transmitted (if any) into kernel memory, and adjusts alignment of control message headers. The code which performs this work contained a time-of-check to time-of-use (TOCTOU) vulnerability which allows a malicious userspace program to modify control message headers after they were validated by the kernel.

Options
    • -57
    • +69
    ./freebsd32/freebsd32_misc.c
11:48 pm

Lucas Holt

When handling a 32-bit sendmsg(2) call, the compat32 subsystem copies the control message to be transmitted (if any) into kernel memory, and adjusts alignment of control message headers. The code which performs this work contained a time-of-check to time-of-use (TOCTOU) vulnerability which allows a malicious userspace program to modify control message headers after they were validated by the kernel.

Options
    • -57
    • +69
    ./freebsd32/freebsd32_misc.c
Saturday 18 Apr 2020
3:56 pm

Lucas Holt

sync compat code

Options
    • -13
    • +3
    ./freebsd32/Makefile
    • -13
    • +15
    ./freebsd32/freebsd32.h
    • -22
    • +1
    ./freebsd32/freebsd32_capability.c
    • -2
    • +1
    ./freebsd32/freebsd32_ioctl.c
    • -2
    • +1
    ./freebsd32/freebsd32_ioctl.h
    • -2
    • +33
    ./freebsd32/freebsd32_ipc.h
    • -358
    • +340
    ./freebsd32/freebsd32_misc.c
    • -2
    • +1
    ./freebsd32/freebsd32_misc.h
    • -41
    • +59
    ./freebsd32/freebsd32_proto.h
    • -40
    • +1
    ./freebsd32/freebsd32_signal.h
    • -25
    • +26
    ./freebsd32/freebsd32_syscall.h
    • -12
    • +14
    ./freebsd32/freebsd32_syscalls.c
    • -245
    • +253
    ./freebsd32/freebsd32_sysent.c
    • -150
    • +133
    ./freebsd32/freebsd32_systrace_args.c
    • -7
    • +13
    ./freebsd32/freebsd32_util.h
  16. … 31 more files in changeset.
Tuesday 17 Mar 2020
1:01 pm

Lucas Holt

add some arm and other arch support code.

Options
    • -0
    • +135
    ./cloudabi/cloudabi_clock.c
    • -0
    • +122
    ./cloudabi/cloudabi_errno.c
    • -0
    • +486
    ./cloudabi/cloudabi_fd.c
    • -0
    • +758
    ./cloudabi/cloudabi_file.c
    • -0
    • +1165
    ./cloudabi/cloudabi_futex.c
    • -0
    • +161
    ./cloudabi/cloudabi_mem.c
    • -0
    • +148
    ./cloudabi/cloudabi_proc.c
    • -0
    • +36
    ./cloudabi/cloudabi_proto.h
    • -0
    • +53
    ./cloudabi/cloudabi_random.c
    • -0
    • +186
    ./cloudabi/cloudabi_sock.c
    • -0
    • +69
    ./cloudabi/cloudabi_thread.c
    • -0
    • +87
    ./cloudabi/cloudabi_util.h
    • -0
    • +88
    ./cloudabi/cloudabi_vdso.c
    • -0
    • +51
    ./cloudabi/cloudabi_vdso.lds
    • -0
    • +6
    ./cloudabi32/Makefile
  16. … 1222 more files in changeset.
Wednesday 24 Jul 2019
6:55 pm

Lucas Holt

Due to insufficient initialization of memory copied to userland in the components listed above small amounts of kernel memory may be disclosed to userland processes.

Options
    • -0
    • +2
    ./freebsd32/freebsd32_ioctl.c
  2. … 1 more file in changeset.
6:54 pm

Lucas Holt

Due to insufficient initialization of memory copied to userland in the components listed above small amounts of kernel memory may be disclosed to userland processes.

Options
    • -0
    • +2
    ./freebsd32/freebsd32_ioctl.c
Saturday 16 Feb 2019
1:51 pm

Lucas Holt

fix name of audio device

Options
    • -2
    • +2
    ./linux/linux_ioctl.c
Friday 15 Feb 2019
8:58 pm

Lucas Holt

remove old files

Options
    • -367
    • +0
    ./linux/linux_videodev.h
    • -1179
    • +0
    ./linux/linux_videodev2.h
  3. … 1 more file in changeset.
Sunday 03 Jun 2018
11:42 pm

Lucas Holt

fixup verion checks

Options
    • -1
    • +1
    ./linux/linux_videodev2.h
    • -1
    • +1
    ./svr4/svr4_misc.c
  3. … 134 more files in changeset.
10:11 pm

Lucas Holt

remove kfreebsd

Options
    • -4
    • +0
    ./ia32/ia32_sysvec.c
9:18 pm

Lucas Holt

remove kfreebsd

Options
    • -11
    • +0
    ./ia32/ia32_sysvec.c
  2. … 3 more files in changeset.
Wednesday 30 May 2018
4:43 pm

Lucas Holt

sync with freebsd 10

Options
    • -7
    • +2
    ./freebsd32/Makefile
    • -30
    • +38
    ./freebsd32/freebsd32.h
    • -0
    • +175
    ./freebsd32/freebsd32_capability.c
    • -3
    • +75
    ./freebsd32/freebsd32_ioctl.c
    • -1
    • +5
    ./freebsd32/freebsd32_ioctl.h
    • -2
    • +2
    ./freebsd32/freebsd32_ipc.h
    • -110
    • +493
    ./freebsd32/freebsd32_misc.c
    • -0
    • +48
    ./freebsd32/freebsd32_misc.h
    • -73
    • +207
    ./freebsd32/freebsd32_proto.h
    • -2
    • +4
    ./freebsd32/freebsd32_signal.h
    • -9
    • +37
    ./freebsd32/freebsd32_syscall.h
    • -22
    • +41
    ./freebsd32/freebsd32_syscalls.c
    • -26
    • +45
    ./freebsd32/freebsd32_sysent.c
    • -157
    • +2713
    ./freebsd32/freebsd32_systrace_args.c
    • -2
    • +2
    ./freebsd32/freebsd32_util.h
  16. … 10 more files in changeset.
4:41 pm

Lucas Holt

sync with freebsd 10

Options
    • -3
    • +4
    ./linux/check_error.d
    • -37
    • +3
    ./linux/check_internal_locks.d
    • -0
    • +206
    ./linux/linux.c
    • -0
    • +96
    ./linux/linux.h
    • -0
    • +94
    ./linux/linux_common.c
    • -15
    • +11
    ./linux/linux_dtrace.h
    • -351
    • +179
    ./linux/linux_emul.c
    • -68
    • +28
    ./linux/linux_emul.h
    • -0
    • +902
    ./linux/linux_event.c
    • -0
    • +61
    ./linux/linux_event.h
    • -191
    • +207
    ./linux/linux_file.c
    • -1
    • +94
    ./linux/linux_file.h
    • -96
    • +271
    ./linux/linux_fork.c
    • -158
    • +282
    ./linux/linux_futex.c
    • -2
    • +4
    ./linux/linux_futex.h
  16. … 32 more files in changeset.
4:39 pm

Lucas Holt

sync ndis with freebsd 10

Options
    • -29
    • +34
    ./ndis/kern_ndis.c
    • -1
    • +2
    ./ndis/ndis_var.h
    • -4
    • +6
    ./ndis/subr_hal.c
    • -15
    • +8
    ./ndis/subr_ndis.c
    • -8
    • +6
    ./ndis/subr_ntoskrnl.c
4:35 pm

Lucas Holt

sync svr4

Options
    • -5
    • +2
    ./svr4/Makefile
    • -5
    • +6
    ./svr4/imgact_svr4.c
    • -1
    • +2
    ./svr4/svr4.h
    • -1
    • +2
    ./svr4/svr4_acl.h
    • -1
    • +2
    ./svr4/svr4_dirent.h
    • -1
    • +2
    ./svr4/svr4_errno.h
    • -1
    • +2
    ./svr4/svr4_exec.h
    • -9
    • +16
    ./svr4/svr4_fcntl.c
    • -1
    • +2
    ./svr4/svr4_fcntl.h
    • -7
    • +11
    ./svr4/svr4_filio.c
    • -1
    • +2
    ./svr4/svr4_filio.h
    • -8
    • +2
    ./svr4/svr4_fuser.h
    • -1
    • +2
    ./svr4/svr4_hrt.h
    • -3
    • +6
    ./svr4/svr4_ioctl.c
    • -1
    • +2
    ./svr4/svr4_ioctl.h
  16. … 38 more files in changeset.
Sunday 22 Oct 2017
3:53 pm

Lucas Holt

tag freebsd 6.1

Options
    • -0
    • +602
    ./pecoff/imgact_pecoff.c
    • -0
    • +142
    ./pecoff/imgact_pecoff.h
  3. … 14085 more files in changeset.