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KernelSU-Next/kernel
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Edrick Sinsuan 81f4f09d0c ksud: Address pagefault in ksu_handle_execveat_ksud (#662) 
* ksud: Address pagefault in ksu_handle_execveat_ksud

As pointed out by @backslashxx, when strncpy pagefaults, it causes
the first_arg to be completely NULL in some systems. This causes
second_stage initialization to fail hence causing SU to be
non-functional.

This patch copies ksu_strncpy_from_user_retry from @backslashxx's
commit:
e2fe25e485

This adds a fallback to perform a normal strncpy_from_user when nofault
fails which allows us to get the first_arg in such cases.

Co-authored-by: backslashxx <118538522+backslashxx@users.noreply.github.com>
Signed-off-by: Edrick Sinsuan <evcsinsuan@gmail.com>

* Revert "ksud: Add second_stage init variant (#653)"

This reverts commit c6b60a24e8.

---------

Signed-off-by: Edrick Sinsuan <evcsinsuan@gmail.com>
Co-authored-by: backslashxx <118538522+backslashxx@users.noreply.github.com>
2025-07-15 21:24:20 +06:00
..
include
kernel: use library import
2024-04-27 09:55:24 +08:00
selinux
kernel: selinux: rules: Fix illegal RCU lock usage in apply_kernelsu_rules() (#2646)
2025-07-10 17:50:14 +06:00
.clang-format
misc: add .clang-format
2023-04-13 10:41:49 +08:00
.clangd
Hook improvements (take 2) (#563)
2023-06-16 19:53:15 +08:00
allowlist.c
Set KSU_APP_PROFILE_VER for shell (#2481)
2025-03-10 22:16:22 +06:00
allowlist.h
kernel: use library import
2024-04-27 09:55:24 +08:00
apk_sign.c
kernel: apk_sign: loop file open on is_manager_apk
2025-06-14 20:12:14 +06:00
apk_sign.h
Revert "kernel: added susfs v1.5.3"
2024-12-24 08:21:10 +06:00
arch.h
Revert "[1.0] Drop Non-GKI Support (#1483)"
2024-12-24 06:54:08 +06:00
core_hook.c
kernel/Makefile: remove redundant get_cred_rcu backports
2025-07-14 20:11:13 +06:00
core_hook.h
kernel: use library import
2024-04-27 09:55:24 +08:00
embed_ksud.c
Hook improvements (take 2) (#563)
2023-06-16 19:53:15 +08:00
export_symbol.txt
Hook improvements (take 2) (#563)
2023-06-16 19:53:15 +08:00
Kconfig
Revert "kernel: Makefile: sanity checks"
2025-05-21 18:07:46 +06:00
kernel_compat.c
ksud: Address pagefault in ksu_handle_execveat_ksud (#662)
2025-07-15 21:24:20 +06:00
kernel_compat.h
ksud: Address pagefault in ksu_handle_execveat_ksud (#662)
2025-07-15 21:24:20 +06:00
klog.h
Hook improvements (take 2) (#563)
2023-06-16 19:53:15 +08:00
ksu.c
kernel: rename KSU_WITH_KPROBES to KSU_KPROBES_HOOK for better self explanitory
2025-05-21 15:13:17 +06:00
ksu.h
kernel: changed constant value for CMD_HOOK_MODE to 0xC0DEAD1A and CMD_GET_MANAGER_UID to 16, to avoid future conflitcs with upstream
2025-07-10 00:50:45 +06:00
ksud.c
ksud: Address pagefault in ksu_handle_execveat_ksud (#662)
2025-07-15 21:24:20 +06:00
ksud.h
Revert "kernel: added susfs v1.5.3"
2024-12-24 08:21:10 +06:00
LICENSE
relicense kernel source code to GPL-v2
2023-02-02 09:04:07 +08:00
Makefile
kernel/Makefile: remove redundant get_cred_rcu backports
2025-07-14 20:11:13 +06:00
manager.h
kernel: use library import
2024-04-27 09:55:24 +08:00
setup.sh
src: adapt git links to KernelSU-Next org
2025-02-24 02:18:02 +06:00
sucompat.c
kernel: rename KSU_WITH_KPROBES to KSU_KPROBES_HOOK for better self explanitory
2025-05-21 15:13:17 +06:00
throne_tracker.c
kernel: throne_tracker: resolve s_magic for < 3.9
2025-06-14 20:14:03 +06:00
throne_tracker.h
kernel: throne_tracker, apk_sign: functionify d_lock spinlock check
2025-06-14 20:08:23 +06:00