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Date: Tue, 23 Apr 2024 09:54:35 +0200
From: Thomas Weißschuh <linux@...ssschuh.net>
To: Luis Chamberlain <mcgrof@...nel.org>,
Joel Granados <j.granados@...sung.com>, Kees Cook <keescook@...omium.org>
Cc: Eric Dumazet <edumazet@...gle.com>, Dave Chinner <david@...morbit.com>,
linux-fsdevel@...r.kernel.org, netdev@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org, linux-s390@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-riscv@...ts.infradead.org,
linux-mm@...ck.org, linux-security-module@...r.kernel.org,
bpf@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
linux-xfs@...r.kernel.org, linux-trace-kernel@...r.kernel.org,
linux-perf-users@...r.kernel.org, netfilter-devel@...r.kernel.org,
coreteam@...filter.org, kexec@...ts.infradead.org,
linux-hardening@...r.kernel.org, bridge@...ts.linux.dev,
lvs-devel@...r.kernel.org, linux-rdma@...r.kernel.org,
rds-devel@....oracle.com, linux-sctp@...r.kernel.org,
linux-nfs@...r.kernel.org, apparmor@...ts.ubuntu.com,
Thomas Weißschuh <linux@...ssschuh.net>
Subject: [PATCH v3 00/11] sysctl: treewide: constify ctl_table argument of
sysctl handlers
* Patch 1 is a bugfix for the stack_erasing sysctl handler
* Patches 2-10 change various helper functions throughout the kernel to
be able to handle 'const ctl_table'.
* Patch 11 changes the signatures of all proc handlers through the tree.
Some other signatures are also adapted, for details see the commit
message.
Only patch 1 changes any code at all.
The series was compile-tested on top of next-20230423 for
i386, x86_64, arm, arm64, riscv, loongarch, s390 and m68k.
The series was split from my larger series sysctl-const series [0].
It only focusses on the proc_handlers but is an important step to be
able to move all static definitions of ctl_table into .rodata.
[0] https://lore.kernel.org/lkml/20231204-const-sysctl-v2-0-7a5060b11447@weissschuh.net/
Signed-off-by: Thomas Weißschuh <linux@...ssschuh.net>
---
Changes in v3:
- Rebase on current -next
- Cc affected mailing lists again to gather feedback
- Link to v2: https://lore.kernel.org/r/20240323-sysctl-const-handler-v2-0-e80b178f1727@weissschuh.net
Changes in v2:
- Reduce recipient list
- Fix source formatting
- Rebase onto next-20240322
- Link to v1: https://lore.kernel.org/r/20240315-sysctl-const-handler-v1-0-1322ac7cb03d@weissschuh.net
---
Thomas Weißschuh (11):
stackleak: don't modify ctl_table argument
cgroup: bpf: constify ctl_table arguments and fields
hugetlb: constify ctl_table arguments of utility functions
utsname: constify ctl_table arguments of utility function
neighbour: constify ctl_table arguments of utility function
ipv4/sysctl: constify ctl_table arguments of utility functions
ipv6/addrconf: constify ctl_table arguments of utility functions
ipv6/ndisc: constify ctl_table arguments of utility function
ipvs: constify ctl_table arguments of utility functions
sysctl: constify ctl_table arguments of utility function
sysctl: treewide: constify the ctl_table argument of handlers
arch/arm64/kernel/armv8_deprecated.c | 2 +-
arch/arm64/kernel/fpsimd.c | 2 +-
arch/s390/appldata/appldata_base.c | 10 ++--
arch/s390/kernel/debug.c | 2 +-
arch/s390/kernel/topology.c | 2 +-
arch/s390/mm/cmm.c | 6 +--
arch/x86/kernel/itmt.c | 2 +-
drivers/cdrom/cdrom.c | 4 +-
drivers/char/random.c | 6 +--
drivers/macintosh/mac_hid.c | 2 +-
drivers/net/vrf.c | 2 +-
drivers/parport/procfs.c | 12 ++---
drivers/perf/arm_pmuv3.c | 4 +-
drivers/perf/riscv_pmu_sbi.c | 2 +-
fs/coredump.c | 2 +-
fs/dcache.c | 4 +-
fs/drop_caches.c | 2 +-
fs/exec.c | 4 +-
fs/file_table.c | 4 +-
fs/fs-writeback.c | 2 +-
fs/inode.c | 4 +-
fs/pipe.c | 2 +-
fs/quota/dquot.c | 2 +-
fs/xfs/xfs_sysctl.c | 6 +--
include/linux/filter.h | 2 +-
include/linux/ftrace.h | 4 +-
include/linux/mm.h | 8 +--
include/linux/perf_event.h | 6 +--
include/linux/security.h | 2 +-
include/linux/sysctl.h | 36 ++++++-------
include/linux/vmstat.h | 6 +--
include/linux/writeback.h | 2 +-
include/net/ndisc.h | 2 +-
include/net/neighbour.h | 6 +--
include/net/netfilter/nf_hooks_lwtunnel.h | 2 +-
ipc/ipc_sysctl.c | 8 +--
kernel/bpf/syscall.c | 4 +-
kernel/delayacct.c | 4 +-
kernel/events/callchain.c | 2 +-
kernel/events/core.c | 4 +-
kernel/fork.c | 2 +-
kernel/hung_task.c | 6 +--
kernel/kexec_core.c | 2 +-
kernel/kprobes.c | 2 +-
kernel/latencytop.c | 4 +-
kernel/pid_namespace.c | 2 +-
kernel/pid_sysctl.h | 2 +-
kernel/printk/internal.h | 2 +-
kernel/printk/printk.c | 2 +-
kernel/printk/sysctl.c | 5 +-
kernel/sched/core.c | 8 +--
kernel/sched/rt.c | 16 +++---
kernel/sched/topology.c | 2 +-
kernel/seccomp.c | 10 ++--
kernel/stackleak.c | 9 ++--
kernel/sysctl.c | 89 ++++++++++++++++---------------
kernel/time/timer.c | 2 +-
kernel/trace/ftrace.c | 2 +-
kernel/trace/trace.c | 2 +-
kernel/trace/trace_events_user.c | 2 +-
kernel/trace/trace_stack.c | 2 +-
kernel/umh.c | 2 +-
kernel/utsname_sysctl.c | 4 +-
kernel/watchdog.c | 12 ++---
mm/compaction.c | 6 +--
mm/hugetlb.c | 12 ++---
mm/page-writeback.c | 18 +++----
mm/page_alloc.c | 14 ++---
mm/util.c | 12 ++---
mm/vmstat.c | 4 +-
net/bridge/br_netfilter_hooks.c | 2 +-
net/core/neighbour.c | 20 +++----
net/core/sysctl_net_core.c | 20 +++----
net/ipv4/devinet.c | 6 +--
net/ipv4/route.c | 2 +-
net/ipv4/sysctl_net_ipv4.c | 38 ++++++-------
net/ipv6/addrconf.c | 27 +++++-----
net/ipv6/ndisc.c | 4 +-
net/ipv6/route.c | 2 +-
net/ipv6/sysctl_net_ipv6.c | 4 +-
net/mpls/af_mpls.c | 4 +-
net/netfilter/ipvs/ip_vs_ctl.c | 19 +++----
net/netfilter/nf_conntrack_standalone.c | 2 +-
net/netfilter/nf_hooks_lwtunnel.c | 2 +-
net/netfilter/nf_log.c | 2 +-
net/phonet/sysctl.c | 2 +-
net/rds/tcp.c | 4 +-
net/sctp/sysctl.c | 32 +++++------
net/sunrpc/sysctl.c | 6 +--
net/sunrpc/xprtrdma/svc_rdma.c | 2 +-
security/apparmor/lsm.c | 2 +-
security/min_addr.c | 2 +-
security/yama/yama_lsm.c | 2 +-
93 files changed, 329 insertions(+), 322 deletions(-)
---
base-commit: a59668a9397e7245b26e9be85d23f242ff757ae8
change-id: 20231226-sysctl-const-handler-883b5eba7e80
Best regards,
--
Thomas Weißschuh <linux@...ssschuh.net>
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