Add 7.5x AIO fix

src/kpatch/750.c

@@ -63,12 +63,76 @@ static inline void restore(void *kbase, struct kexec_args *uap) {
     }
 }
 
-// TODO:
 __attribute__((always_inline))
 static inline void patch_aio(void *kbase) {
+    disable_cr0_wp();
+
     const u64 aio_off = 0xb20f5;
 
-    disable_cr0_wp();
+    // patch = {0xeb, 0x03}
+    write16(kbase, aio_off, 0x03eb);
+
+    // offset = 0x10e
+    // patch = {0xe9, 0xf2, 0xfe, 0xff, 0xff}
+    write32(kbase, aio_off + 0x10e, 0xfffef2e9);
+    write8(kbase, aio_off + 0x112, 0xff);
+
+    // offset = 0x5
+    // patch = {0x41, 0x83, 0xbe, 0xa0, 0x04, 0x00, 0x00, 0x00}
+    write64(kbase, aio_off + 0x5, 0x00000004a0be8341);
+
+    // offset = 0x13
+    // patch = {0x49, 0x8b, 0x86, 0xd0, 0x04, 0x00, 0x00}
+    write32(kbase, aio_off + 0x13, 0xd0868b49);
+    write16(kbase, aio_off + 0x17, 0x0004);
+    write8(kbase, aio_off + 0x19, 0x00);
+
+    // offset = 0x20
+    // patch = {0x49, 0x8b, 0xb6, 0xb0, 0x04, 0x00, 0x00}
+    write32(kbase, aio_off + 0x20, 0xb0b68b49);
+    write16(kbase, aio_off + 0x24, 0x0004);
+    write8(kbase, aio_off + 0x26, 0x00);
+
+    // offset = 0x38
+    // patch = {0x49, 0x8b, 0x86, 0x40, 0x05, 0x00, 0x00}
+    write32(kbase, aio_off + 0x38, 0x40868b49);
+    write16(kbase, aio_off + 0x3c, 0x0005);
+    write8(kbase, aio_off + 0x3e, 0x00);
+
+    // offset = 0x45
+    // patch = {0x49, 0x8b, 0xb6, 0x20, 0x05, 0x00, 0x00}
+    write32(kbase, aio_off + 0x45, 0x20b68b49);
+    write16(kbase, aio_off + 0x49, 0x0005);
+    write8(kbase, aio_off + 0x4b, 0x00);
+
+    // offset = 0x5d
+    // patch = {0x49, 0x8d, 0xBe, 0xc0, 0x00, 0x00, 0x00}
+    write32(kbase, aio_off + 0x5d, 0xc0be8d49);
+    write16(kbase, aio_off + 0x61, 0x0000);
+    write8(kbase, aio_off + 0x63, 0x00);
+
+    // offset = 0x69
+    // patch = {0x49, 0x8d, 0xbe, 0xe0, 0x00, 0x00, 0x00}
+    write32(kbase, aio_off + 0x69, 0xe0be8d49);
+    write16(kbase, aio_off + 0x6d, 0x0000);
+    write8(kbase, aio_off + 0x6f, 0x00);
+
+    // offset = 0x7c
+    // patch = {0x49, 0x8d, 0xbe, 0x00, 0x01, 0x00, 0x00}
+    write32(kbase, aio_off + 0x7c, 0x00be8d49);
+    write16(kbase, aio_off + 0x80, 0x0001);
+    write8(kbase, aio_off + 0x82, 0x00);
+
+    // offset = 0x88
+    // patch = {0x49, 0x8d, 0xbe, 0x20, 0x01, 0x00, 0x00}
+    write32(kbase, aio_off + 0x88, 0x20be8d49);
+    write16(kbase, aio_off + 0x8c, 0x0001);
+    write8(kbase, aio_off + 0x8e, 0x00);
+
+    // offset = 0x99
+    // patch = {0x4c, 0x89, 0xf7}
+    write16(kbase, aio_off + 0x99, 0x894c);
+    write8(kbase, aio_off + 0x9b, 0xf7);
 
     enable_cr0_wp();
 }

src/kpatch/800.c

@@ -65,13 +65,12 @@ static inline void restore(void *kbase, struct kexec_args *uap) {
 
 __attribute__((always_inline))
 static inline void patch_aio(void *kbase) {
-    const u64 aio_off = 0x9f141;
-
     disable_cr0_wp();
 
-    // offset = 0x00
+    const u64 aio_off = 0x9F141;
+
     // patch = {0xeb, 0x48}
-    write16(kbase, aio_off + 0x00, 0x48eb);
+    write16(kbase, aio_off, 0x48eb);
 
     // offset = 0x42
     // patch = {0xeb, 0x06}

src/kpatch/850.c

@@ -65,13 +65,12 @@ static inline void restore(void *kbase, struct kexec_args *uap) {
 
 __attribute__((always_inline))
 static inline void patch_aio(void *kbase) {
-    const u64 aio_off = 0x30221;
-
     disable_cr0_wp();
 
-    // offset = 0x00
+    const u64 aio_off = 0x30221;
+
     // patch = {0xeb, 0x48}
-    write16(kbase, aio_off + 0x00, 0x48eb);
+    write16(kbase, aio_off, 0x48eb);
 
     // offset = 0x42
     // patch = {0xeb, 0x06}

src/kpatch/900.c

@@ -65,13 +65,12 @@ static inline void restore(void *kbase, struct kexec_args *uap) {
 
 __attribute__((always_inline))
 static inline void patch_aio(void *kbase) {
-    const u64 aio_off = 0x415a01;
-
     disable_cr0_wp();
 
-    // offset = 0x00
+    const u64 aio_off = 0x415A01;
+
     // patch = {0xeb, 0x48}
-    write16(kbase, aio_off + 0x00, 0x48eb);
+    write16(kbase, aio_off, 0x48eb);
 
     // offset = 0x42
     // patch = {0xeb, 0x06}

src/kpatch/903.c

@@ -65,13 +65,12 @@ static inline void restore(void *kbase, struct kexec_args *uap) {
 
 __attribute__((always_inline))
 static inline void patch_aio(void *kbase) {
-    const u64 aio_off = 0x413971;
-
     disable_cr0_wp();
 
-    // offset = 0x00
+    const u64 aio_off = 0x413971;
+
     // patch = {0xeb, 0x48}
-    write16(kbase, aio_off + 0x00, 0x48eb);
+    write16(kbase, aio_off, 0x48eb);
 
     // offset = 0x42
     // patch = {0xeb, 0x06}

src/kpatch/950.c

@@ -65,13 +65,12 @@ static inline void restore(void *kbase, struct kexec_args *uap) {
 
 __attribute__((always_inline))
 static inline void patch_aio(void *kbase) {
-    const u64 aio_off = 0xd7771;
-
     disable_cr0_wp();
 
-    // offset = 0x00
+    const u64 aio_off = 0xd7771;
+
     // patch = {0xeb, 0x48}
-    write16(kbase, aio_off + 0x00, 0x48eb);
+    write16(kbase, aio_off, 0x48eb);
 
     // offset = 0x42
     // patch = {0xeb, 0x06}