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the linux fchmodat syscall lacks a flag argument that is necessary to
implement the posix api, see
linux commit 09da082b07bbae1c11d9560c8502800039aebcea
fs: Add fchmodat2()
linux commit 78252deb023cf0879256fcfbafe37022c390762b
arch: Register fchmodat2, usually as syscall 452
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see
linux commit cf264e1329fb0307e044f7675849f9f38b44c11a
cachestat: implement cachestat syscall
linux commit 946e697c69ffeeefdd84dad90eac307284df46be
cachestat: wire up cachestat for other architectures
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see
linux commit c6018b4b254971863bd0ad36bb5e7d0fa0f0ddb0
mm/mempolicy: add set_mempolicy_home_node syscall
linux commit 21b084fdf2a49ca1634e8e360e9ab6f9ff0dee11
mm/mempolicy: wire up syscall set_mempolicy_home_node
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see
linux commit 039c0ec9bb77446d7ada7f55f90af9299b28ca49
futex,x86: Wire up sys_futex_waitv()
linux commit ea7c45fde5aa3e761aaddb7902a31a95cb120e7b
futex,arm: Wire up sys_futex_waitv()
linux commit b3ff2881ba18b852f79f5476d7631940071f1adb
MIPS: syscalls: Wire up futex_waitv syscall
linux commit 6c122360cf2f4c5a856fcbd79b4485b7baec942a
s390: wire up sys_futex_waitv system call
linux commit a0eb2da92b715d0c97b96b09979689ea09faefe6
futex: Wireup futex_waitv syscall
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see
linux commit 884a7e5964e06ed93c7771c0d7cf19c09a8946f1
mm: introduce process_mrelease system call
linux commit dce49103962840dd61423d7627748d6c558d58c5
mm: wire up syscall process_mrelease
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see
linux commit a49f4f81cb48925e8d7cbd9e59068f516e984144
arch: Wire up Landlock syscalls
linuxcommit 17ae69aba89dbfa2139b7f8024b757ab3cc42f59
Merge tag 'landlock_v34' of ... jmorris/linux-security
Landlock provides for unprivileged application sandboxing. The goal of
Landlock is to enable to restrict ambient rights (e.g. global filesystem
access) for a set of processes. Landlock is inspired by seccomp-bpf but
instead of filtering syscalls and their raw arguments, a Landlock rule
can restrict the use of kernel objects like file hierarchies, according
to the kernel semantic.
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new syscall to change the properties of a mount or a mount tree using
file descriptors which the new mount api is based on, see
linux commit 2a1867219c7b27f928e2545782b86daaf9ad50bd
fs: add mount_setattr()
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see
linux commit b0a0c2615f6f199a656ed8549d7dce625d77aa77
epoll: wire up syscall epoll_pwait2
linux commit 58169a52ebc9a733aeb5bea857bc5daa71a301bb
epoll: add syscall epoll_pwait2
epoll_wait with struct timespec timeout instead of int. no time32 variant.
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mainly added to linux to allow a central process management service in
android to give MADV_COLD|PAGEOUT hints for other processes, see
linux commit ecb8ac8b1f146915aa6b96449b66dd48984caacc
mm/madvise: introduce process_madvise() syscall: an external memory
hinting API
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see
linux commit 9b4feb630e8e9801603f3cab3a36369e3c1cf88d
arch: wire-up close_range()
linux commit 278a5fbaed89dacd04e9d052f4594ffd0e0585de
open: add close_range()
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the linux faccessat syscall lacks a flag argument that is necessary
to implement the posix api, see
linux commit c8ffd8bcdd28296a198f237cc595148a8d4adfbe
vfs: add faccessat2 syscall
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also added clone3 on sh and m68k, on sh it's still missing (not
yet wired up), but reserved so safe to add.
see
linux commit fddb5d430ad9fa91b49b1d34d0202ffe2fa0e179
open: introduce openat2(2) syscall
linux commit 9a2cef09c801de54feecd912303ace5c27237f12
arch: wire up pidfd_getfd syscall
linux commit 8649c322f75c96e7ced2fec201e123b2b073bf09
pid: Implement pidfd_getfd syscall
linux commit e8bb2a2a1d51511e6b3f7e08125d52ec73c11139
m68k: Wire up clone3() syscall
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this extends commit 5a105f19b5aae79dd302899e634b6b18b3dcd0d6, removing
timer[fd]_settime and timer[fd]_gettime. the timerfd ones are likely
to have been used in software that started using them before it could
rely on libc exposing functions.
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this extends commit 5a105f19b5aae79dd302899e634b6b18b3dcd0d6, removing
clock_settime, clock_getres, clock_nanosleep, and settimeofday.
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some nontrivial number of applications have historically performed
direct syscalls for these operations rather than using the public
functions. such usage is invalid now that time_t is 64-bit and these
syscalls no longer match the types they are used with, and it was
already harmful before (by suppressing use of vdso).
since syscall() has no type safety, incorrect usage of these syscalls
can't be caught at compile-time. so, without manually inspecting or
running additional tools to check sources, the risk of such errors
slipping through is high.
this patch renames the syscalls on 32-bit archs to clock_gettime32 and
gettimeofday_time32, so that applications using the original names
will fail to build without being fixed.
note that there are a number of other syscalls that may also be unsafe
to use directly after the time64 switchover, but (1) these are the
main two that seem to be in widespread use, and (2) most of the others
continue to have valid usage with a null timeval/timespec argument, as
the argument is an optional timeout or similar.
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see
linux commit 7615d9e1780e26e0178c93c55b73309a5dc093d7
arch: wire-up pidfd_open()
linux commit 32fcb426ec001cb6d5a4a195091a8486ea77e2df
pid: add pidfd_open()
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new mount api syscalls were added, same numers on all targets, see
linux commit a07b20004793d8926f78d63eb5980559f7813404
vfs: syscall: Add open_tree(2) to reference or clone a mount
linux commit 2db154b3ea8e14b04fee23e3fdfd5e9d17fbc6ae
vfs: syscall: Add move_mount(2) to move mounts around
linux commit 24dcb3d90a1f67fe08c68a004af37df059d74005
vfs: syscall: Add fsopen() to prepare for superblock creation
linux commit ecdab150fddb42fe6a739335257949220033b782
vfs: syscall: Add fsconfig() for configuring and managing a context
linux commit 93766fbd2696c2c4453dd8e1070977e9cd4e6b6d
vfs: syscall: Add fsmount() to create a mount for a superblock
linux commit cf3cba4a429be43e5527a3f78859b1bfd9ebc5fb
vfs: syscall: Add fspick() to select a superblock for reconfiguration
linux commit 9c8ad7a2ff0bfe58f019ec0abc1fb965114dde7d
uapi, x86: Fix the syscall numbering of the mount API syscalls [ver #2]
linux commit d8076bdb56af5e5918376cd1573a6b0007fc1a89
uapi: Wire up the mount API syscalls on non-x86 arches [ver #2]
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syscall numbers are now synced up across targets (starting from 403 the
numbers are the same on all targets other than an arch specific offset)
IPC syscalls sem*, shm*, msg* got added where they were missing (except
for semop: only semtimedop got added), the new semctl, shmctl, msgctl
imply IPC_64, see
linux commit 0d6040d4681735dfc47565de288525de405a5c99
arch: add split IPC system calls where needed
new 64bit time_t syscall variants got added on 32bit targets, see
linux commit 48166e6ea47d23984f0b481ca199250e1ce0730a
y2038: add 64-bit time_t syscalls to all 32-bit architectures
new async io syscalls got added, see
linux commit 2b188cc1bb857a9d4701ae59aa7768b5124e262e
Add io_uring IO interface
linux commit edafccee56ff31678a091ddb7219aba9b28bc3cb
io_uring: add support for pre-mapped user IO buffers
a new syscall got added that uses the fd of /proc/<pid> as a stable
handle for processes: allows sending signals without pid reuse issues,
intended to eventually replace rt_sigqueueinfo, kill, tgkill and
rt_tgsigqueueinfo, see
linux commit 3eb39f47934f9d5a3027fe00d906a45fe3a15fad
signal: add pidfd_send_signal() syscall
on some targets (arm, m68k, s390x, sh) some previously missing syscall
numbers got added as well.
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sh was updated in linux commit 74bdaa611fa69368fb4032ad437af073d31116bd
to have numbers for new syscalls.
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