diff options
-rw-r--r-- | 3.13.10/0000_README | 2 | ||||
-rw-r--r-- | 3.13.10/4420_grsecurity-3.0-3.13.10-201404182111.patch (renamed from 3.13.10/4420_grsecurity-3.0-3.13.10-201404141717.patch) | 112 | ||||
-rw-r--r-- | 3.2.57/0000_README | 2 | ||||
-rw-r--r-- | 3.2.57/4420_grsecurity-3.0-3.2.57-201404182109.patch (renamed from 3.2.57/4420_grsecurity-3.0-3.2.57-201404131252.patch) | 93 |
4 files changed, 180 insertions, 29 deletions
diff --git a/3.13.10/0000_README b/3.13.10/0000_README index 02b8064..6937874 100644 --- a/3.13.10/0000_README +++ b/3.13.10/0000_README @@ -2,7 +2,7 @@ README ----------------------------------------------------------------------------- Individual Patch Descriptions: ----------------------------------------------------------------------------- -Patch: 4420_grsecurity-3.0-3.13.9-201404062127.patch +Patch: 4420_grsecurity-3.0-3.13.10-201404182111.patch From: http://www.grsecurity.net Desc: hardened-sources base patch from upstream grsecurity diff --git a/3.13.10/4420_grsecurity-3.0-3.13.10-201404141717.patch b/3.13.10/4420_grsecurity-3.0-3.13.10-201404182111.patch index 10e9b5b..67863a9 100644 --- a/3.13.10/4420_grsecurity-3.0-3.13.10-201404141717.patch +++ b/3.13.10/4420_grsecurity-3.0-3.13.10-201404182111.patch @@ -32292,7 +32292,7 @@ index f971306..e83e0f6 100644 (unsigned long)(&__init_begin), (unsigned long)(&__init_end)); diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c -index 4287f1f..3b99c71 100644 +index 4287f1f..1a4e8e9 100644 --- a/arch/x86/mm/init_32.c +++ b/arch/x86/mm/init_32.c @@ -62,33 +62,6 @@ static noinline int do_test_wp_bit(void); @@ -32392,13 +32392,13 @@ index 4287f1f..3b99c71 100644 - if (addr >= (unsigned long)_text && addr <= (unsigned long)__init_end) - return 1; - return 0; -+ if ((start > ktla_ktva((unsigned long)_etext) || ++ if ((start >= ktla_ktva((unsigned long)_etext) || + end <= ktla_ktva((unsigned long)_stext)) && -+ (start > ktla_ktva((unsigned long)_einittext) || ++ (start >= ktla_ktva((unsigned long)_einittext) || + end <= ktla_ktva((unsigned long)_sinittext)) && + +#ifdef CONFIG_ACPI_SLEEP -+ (start > (unsigned long)__va(acpi_wakeup_address) + 0x4000 || end <= (unsigned long)__va(acpi_wakeup_address)) && ++ (start >= (unsigned long)__va(acpi_wakeup_address) + 0x4000 || end <= (unsigned long)__va(acpi_wakeup_address)) && +#endif + + (start > (unsigned long)__va(0xfffff) || end <= (unsigned long)__va(0xc0000))) @@ -58155,7 +58155,7 @@ index e4141f2..d8263e8 100644 i += packet_length_size; if (copy_to_user(&buf[i], msg_ctx->msg, msg_ctx->msg_size)) diff --git a/fs/exec.c b/fs/exec.c -index 7ea097f..0158d8a 100644 +index 7ea097f..5862cb5 100644 --- a/fs/exec.c +++ b/fs/exec.c @@ -55,8 +55,20 @@ @@ -58872,13 +58872,13 @@ index 7ea097f..0158d8a 100644 +#ifdef CONFIG_X86_64 + /* check against linear mapping as well */ + if (high > (unsigned long)__va(__pa(textlow)) && -+ low <= (unsigned long)__va(__pa(texthigh))) ++ low < (unsigned long)__va(__pa(texthigh))) + return true; +#endif + +#endif + -+ if (high <= textlow || low > texthigh) ++ if (high <= textlow || low >= texthigh) + return false; + else + return true; @@ -83504,6 +83504,29 @@ index 7caf44c..23c6f27 100644 #if !defined (N_MAGIC) #define N_MAGIC(exec) ((exec).a_info & 0xffff) #endif +diff --git a/include/uapi/linux/bcache.h b/include/uapi/linux/bcache.h +index 164a7e2..0f581a7 100644 +--- a/include/uapi/linux/bcache.h ++++ b/include/uapi/linux/bcache.h +@@ -5,6 +5,7 @@ + * Bcache on disk data structures + */ + ++#include <linux/compiler.h> + #include <asm/types.h> + + #define BITMASK(name, type, field, offset, size) \ +@@ -20,8 +21,8 @@ static inline void SET_##name(type *k, __u64 v) \ + /* Btree keys - all units are in sectors */ + + struct bkey { +- __u64 high; +- __u64 low; ++ __u64 high __intentional_overflow(-1); ++ __u64 low __intentional_overflow(-1); + __u64 ptr[]; + }; + diff --git a/include/uapi/linux/byteorder/little_endian.h b/include/uapi/linux/byteorder/little_endian.h index d876736..ccce5c0 100644 --- a/include/uapi/linux/byteorder/little_endian.h @@ -114377,11 +114400,12 @@ index 0000000..9529806 +tree_mod_log_eb_copy_65535 tree_mod_log_eb_copy 6 65535 NULL diff --git a/tools/gcc/size_overflow_hash_aux.data b/tools/gcc/size_overflow_hash_aux.data new file mode 100644 -index 0000000..5dd8a8f +index 0000000..560cd7b --- /dev/null +++ b/tools/gcc/size_overflow_hash_aux.data -@@ -0,0 +1,83 @@ +@@ -0,0 +1,92 @@ +spa_set_aux_vdevs_746 spa_set_aux_vdevs 3 746 NULL ++zfs_lookup_2144 zfs_lookup 0 2144 NULL +mappedread_2627 mappedread 2 2627 NULL +vdev_disk_dio_alloc_2957 vdev_disk_dio_alloc 1 2957 NULL +nv_alloc_pushpage_spl_4286 nv_alloc_pushpage_spl 2 4286 NULL @@ -114397,6 +114421,7 @@ index 0000000..5dd8a8f +avl_numnodes_12384 avl_numnodes 0 12384 NULL +dmu_write_uio_dnode_12473 dmu_write_uio_dnode 3 12473 NULL +dmu_xuio_init_12866 dmu_xuio_init 2 12866 NULL ++zpl_read_common_14389 zpl_read_common 0 14389 NULL +dmu_snapshot_realname_14632 dmu_snapshot_realname 4 14632 NULL +kmem_alloc_debug_14852 kmem_alloc_debug 1 14852 NULL +kmalloc_node_nofail_15151 kmalloc_node_nofail 1 15151 NULL @@ -114404,12 +114429,14 @@ index 0000000..5dd8a8f +zfs_log_write_16524 zfs_log_write 6-5 16524 NULL +sa_build_layouts_16910 sa_build_layouts 3 16910 NULL +dsl_dir_namelen_17053 dsl_dir_namelen 0 17053 NULL ++kcopy_copy_to_user_17336 kcopy_copy_to_user 5 17336 NULL +sa_add_layout_entry_17507 sa_add_layout_entry 3 17507 NULL +sa_attr_table_setup_18029 sa_attr_table_setup 3 18029 NULL +uiocopy_18680 uiocopy 2 18680 NULL +dmu_buf_hold_array_by_dnode_19125 dmu_buf_hold_array_by_dnode 2-3 19125 NULL +zpl_acl_from_xattr_21141 zpl_acl_from_xattr 2 21141 NULL +dsl_pool_tx_assign_init_22518 dsl_pool_tx_assign_init 2 22518 NULL ++nvlist_lookup_byte_array_22527 nvlist_lookup_byte_array 0 22527 NULL +sa_replace_all_by_template_locked_22533 sa_replace_all_by_template_locked 3 22533 NULL +tsd_hash_table_init_22559 tsd_hash_table_init 1 22559 NULL +spa_vdev_remove_aux_23966 spa_vdev_remove_aux 4 23966 NULL @@ -114441,16 +114468,21 @@ index 0000000..5dd8a8f +vdev_raidz_matrix_reconstruct_40852 vdev_raidz_matrix_reconstruct 2-3 40852 NULL +sa_find_layout_40892 sa_find_layout 4 40892 NULL +zpl_xattr_get_dir_41918 zpl_xattr_get_dir 0 41918 NULL ++zfs_sa_get_xattr_42600 zfs_sa_get_xattr 0 42600 NULL +zpl_xattr_acl_set_42808 zpl_xattr_acl_set 4 42808 NULL +xdr_dec_array_43091 xdr_dec_array 5 43091 NULL +dsl_dataset_namelen_43136 dsl_dataset_namelen 0 43136 NULL ++kcopy_write_43683 kcopy_write 3 43683 NULL +uiomove_44355 uiomove 2 44355 NULL +dmu_read_44418 dmu_read 4-3 44418 NULL +ddi_copyin_44846 ddi_copyin 3 44846 NULL ++kcopy_do_get_45061 kcopy_do_get 5 45061 NULL +copyin_45945 copyin 3 45945 NULL +zil_itx_create_46555 zil_itx_create 2 46555 NULL +dmu_write_uio_dbuf_48064 dmu_write_uio_dbuf 3 48064 NULL ++blk_rq_pos_48233 blk_rq_pos 0 48233 NULL +spa_history_write_49650 spa_history_write 3 49650 NULL ++kcopy_copy_pages_to_user_49823 kcopy_copy_pages_to_user 3-4 49823 NULL +zfs_log_write_50162 zfs_log_write 6-5 50162 NULL +i_fm_alloc_51038 i_fm_alloc 2 51038 NULL +copyout_51409 copyout 3 51409 NULL @@ -114466,10 +114498,10 @@ index 0000000..5dd8a8f +zpios_read_64734 zpios_read 3 64734 NULL diff --git a/tools/gcc/size_overflow_plugin.c b/tools/gcc/size_overflow_plugin.c new file mode 100644 -index 0000000..0a9dd22 +index 0000000..ed21b21 --- /dev/null +++ b/tools/gcc/size_overflow_plugin.c -@@ -0,0 +1,4110 @@ +@@ -0,0 +1,4166 @@ +/* + * Copyright 2011-2014 by Emese Revfy <re.emese@gmail.com> + * Licensed under the GPL v2, or (at your option) v3 @@ -114498,7 +114530,7 @@ index 0000000..0a9dd22 +int plugin_is_GPL_compatible; + +static struct plugin_info size_overflow_plugin_info = { -+ .version = "20140402", ++ .version = "20140407", + .help = "no-size-overflow\tturn off size overflow checking\n", +}; + @@ -115828,12 +115860,62 @@ index 0000000..0a9dd22 + insert_check_size_overflow(caller_node, stmt, LT_EXPR, cast_rhs, type_min, before, MIN_CHECK); +} + ++static bool is_lt_signed_type_max(const_tree rhs) ++{ ++ const_tree new_type, type_max, type = TREE_TYPE(rhs); ++ ++ if (!TYPE_UNSIGNED(type)) ++ return true; ++ ++ switch (TYPE_MODE(type)) { ++ case QImode: ++ new_type = intQI_type_node; ++ break; ++ case HImode: ++ new_type = intHI_type_node; ++ break; ++ case SImode: ++ new_type = intSI_type_node; ++ break; ++ case DImode: ++ new_type = intDI_type_node; ++ break; ++ default: ++ debug_tree((tree)type); ++ gcc_unreachable(); ++ } ++ ++ type_max = TYPE_MAX_VALUE(new_type); ++ if (!tree_int_cst_lt(type_max, rhs)) ++ return true; ++ ++ return false; ++} ++ ++static bool is_gt_zero(const_tree rhs) ++{ ++ const_tree type = TREE_TYPE(rhs); ++ ++ if (TYPE_UNSIGNED(type)) ++ return true; ++ ++ if (!tree_int_cst_lt(rhs, integer_zero_node)) ++ return true; ++ ++ return false; ++} ++ +static bool is_a_constant_overflow(const_gimple stmt, const_tree rhs) +{ + if (gimple_assign_rhs_code(stmt) == MIN_EXPR) + return false; + if (!is_gimple_constant(rhs)) + return false; ++ ++ // If the const is between 0 and the max value of the signed type of the same bitsize then there is no intentional overflow ++// if (is_lt_signed_type_max(rhs) && is_gt_zero(rhs)) ++// return false; ++ + return true; +} + @@ -116037,6 +116119,12 @@ index 0000000..0a9dd22 + if (is_a_constant_overflow(def_stmt, rhs1)) + return handle_intentional_overflow(visited, caller_node, !is_a_cast_and_const_overflow(rhs2), def_stmt, new_rhs2, new_rhs2); + ++ // the const is between 0 and (signed) MAX ++ if (is_gimple_constant(rhs1)) ++ new_rhs1 = create_assign(visited, def_stmt, rhs1, BEFORE_STMT); ++ if (is_gimple_constant(rhs2)) ++ new_rhs2 = create_assign(visited, def_stmt, rhs2, BEFORE_STMT); ++ + return dup_assign(visited, def_stmt, lhs, new_rhs1, new_rhs2, NULL_TREE); +} + diff --git a/3.2.57/0000_README b/3.2.57/0000_README index fa70e2f..44dacca 100644 --- a/3.2.57/0000_README +++ b/3.2.57/0000_README @@ -146,7 +146,7 @@ Patch: 1056_linux-3.2.57.patch From: http://www.kernel.org Desc: Linux 3.2.57 -Patch: 4420_grsecurity-3.0-3.2.57-201404131252.patch +Patch: 4420_grsecurity-3.0-3.2.57-201404182109.patch From: http://www.grsecurity.net Desc: hardened-sources base patch from upstream grsecurity diff --git a/3.2.57/4420_grsecurity-3.0-3.2.57-201404131252.patch b/3.2.57/4420_grsecurity-3.0-3.2.57-201404182109.patch index d27fdf9..08bad77 100644 --- a/3.2.57/4420_grsecurity-3.0-3.2.57-201404131252.patch +++ b/3.2.57/4420_grsecurity-3.0-3.2.57-201404182109.patch @@ -28706,7 +28706,7 @@ index a4cca06..9e00106 100644 (unsigned long)(&__init_begin), (unsigned long)(&__init_end)); diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c -index 29f7c6d..7500c2f 100644 +index 29f7c6d..5122941 100644 --- a/arch/x86/mm/init_32.c +++ b/arch/x86/mm/init_32.c @@ -74,36 +74,6 @@ static __init void *alloc_low_page(void) @@ -28809,13 +28809,13 @@ index 29f7c6d..7500c2f 100644 - if (addr >= (unsigned long)_text && addr <= (unsigned long)__init_end) - return 1; - return 0; -+ if ((start > ktla_ktva((unsigned long)_etext) || ++ if ((start >= ktla_ktva((unsigned long)_etext) || + end <= ktla_ktva((unsigned long)_stext)) && -+ (start > ktla_ktva((unsigned long)_einittext) || ++ (start >= ktla_ktva((unsigned long)_einittext) || + end <= ktla_ktva((unsigned long)_sinittext)) && + +#ifdef CONFIG_ACPI_SLEEP -+ (start > (unsigned long)__va(acpi_wakeup_address) + 0x4000 || end <= (unsigned long)__va(acpi_wakeup_address)) && ++ (start >= (unsigned long)__va(acpi_wakeup_address) + 0x4000 || end <= (unsigned long)__va(acpi_wakeup_address)) && +#endif + + (start > (unsigned long)__va(0xfffff) || end <= (unsigned long)__va(0xc0000))) @@ -55664,7 +55664,7 @@ index 451b9b8..12e5a03 100644 out_free_fd: diff --git a/fs/exec.c b/fs/exec.c -index 78199eb..793dc44 100644 +index 78199eb..1781a561 100644 --- a/fs/exec.c +++ b/fs/exec.c @@ -55,12 +55,35 @@ @@ -56504,13 +56504,13 @@ index 78199eb..793dc44 100644 +#ifdef CONFIG_X86_64 + /* check against linear mapping as well */ + if (high > (unsigned long)__va(__pa(textlow)) && -+ low <= (unsigned long)__va(__pa(texthigh))) ++ low < (unsigned long)__va(__pa(texthigh))) + return true; +#endif + +#endif + -+ if (high <= textlow || low > texthigh) ++ if (high <= textlow || low >= texthigh) + return false; + else + return true; @@ -111853,10 +111853,10 @@ index 0000000..8dafb22 +} diff --git a/tools/gcc/size_overflow_hash.data b/tools/gcc/size_overflow_hash.data new file mode 100644 -index 0000000..6111b9b +index 0000000..6bf14a6 --- /dev/null +++ b/tools/gcc/size_overflow_hash.data -@@ -0,0 +1,6002 @@ +@@ -0,0 +1,6001 @@ +intel_fake_agp_alloc_by_type_1 intel_fake_agp_alloc_by_type 1 1 NULL +ocfs2_get_refcount_tree_3 ocfs2_get_refcount_tree 0 3 NULL +storvsc_connect_to_vsp_22 storvsc_connect_to_vsp 2 22 NULL @@ -113167,7 +113167,6 @@ index 0000000..6111b9b +dma_declare_coherent_memory_14244 dma_declare_coherent_memory 4 14244 NULL +snd_soc_hw_bulk_write_raw_14245 snd_soc_hw_bulk_write_raw 4 14245 NULL +ext4_journal_restart_14251 ext4_journal_restart 0 14251 NULL -+radix_tree_prev_hole_14252 radix_tree_prev_hole 0-2 14252 NULL +ath6kl_connect_event_14267 ath6kl_connect_event 7-8-9 14267 NULL +add_numbered_child_14273 add_numbered_child 5 14273 NULL +OS_mem_token_alloc_14276 OS_mem_token_alloc 1 14276 NULL @@ -117861,11 +117860,12 @@ index 0000000..6111b9b +selnl_msglen_65499 selnl_msglen 0 65499 NULL diff --git a/tools/gcc/size_overflow_hash_aux.data b/tools/gcc/size_overflow_hash_aux.data new file mode 100644 -index 0000000..5dd8a8f +index 0000000..4ad4525 --- /dev/null +++ b/tools/gcc/size_overflow_hash_aux.data -@@ -0,0 +1,83 @@ +@@ -0,0 +1,91 @@ +spa_set_aux_vdevs_746 spa_set_aux_vdevs 3 746 NULL ++zfs_lookup_2144 zfs_lookup 0 2144 NULL +mappedread_2627 mappedread 2 2627 NULL +vdev_disk_dio_alloc_2957 vdev_disk_dio_alloc 1 2957 NULL +nv_alloc_pushpage_spl_4286 nv_alloc_pushpage_spl 2 4286 NULL @@ -117881,6 +117881,7 @@ index 0000000..5dd8a8f +avl_numnodes_12384 avl_numnodes 0 12384 NULL +dmu_write_uio_dnode_12473 dmu_write_uio_dnode 3 12473 NULL +dmu_xuio_init_12866 dmu_xuio_init 2 12866 NULL ++zpl_read_common_14389 zpl_read_common 0 14389 NULL +dmu_snapshot_realname_14632 dmu_snapshot_realname 4 14632 NULL +kmem_alloc_debug_14852 kmem_alloc_debug 1 14852 NULL +kmalloc_node_nofail_15151 kmalloc_node_nofail 1 15151 NULL @@ -117888,12 +117889,14 @@ index 0000000..5dd8a8f +zfs_log_write_16524 zfs_log_write 6-5 16524 NULL +sa_build_layouts_16910 sa_build_layouts 3 16910 NULL +dsl_dir_namelen_17053 dsl_dir_namelen 0 17053 NULL ++kcopy_copy_to_user_17336 kcopy_copy_to_user 5 17336 NULL +sa_add_layout_entry_17507 sa_add_layout_entry 3 17507 NULL +sa_attr_table_setup_18029 sa_attr_table_setup 3 18029 NULL +uiocopy_18680 uiocopy 2 18680 NULL +dmu_buf_hold_array_by_dnode_19125 dmu_buf_hold_array_by_dnode 2-3 19125 NULL +zpl_acl_from_xattr_21141 zpl_acl_from_xattr 2 21141 NULL +dsl_pool_tx_assign_init_22518 dsl_pool_tx_assign_init 2 22518 NULL ++nvlist_lookup_byte_array_22527 nvlist_lookup_byte_array 0 22527 NULL +sa_replace_all_by_template_locked_22533 sa_replace_all_by_template_locked 3 22533 NULL +tsd_hash_table_init_22559 tsd_hash_table_init 1 22559 NULL +spa_vdev_remove_aux_23966 spa_vdev_remove_aux 4 23966 NULL @@ -117925,16 +117928,20 @@ index 0000000..5dd8a8f +vdev_raidz_matrix_reconstruct_40852 vdev_raidz_matrix_reconstruct 2-3 40852 NULL +sa_find_layout_40892 sa_find_layout 4 40892 NULL +zpl_xattr_get_dir_41918 zpl_xattr_get_dir 0 41918 NULL ++zfs_sa_get_xattr_42600 zfs_sa_get_xattr 0 42600 NULL +zpl_xattr_acl_set_42808 zpl_xattr_acl_set 4 42808 NULL +xdr_dec_array_43091 xdr_dec_array 5 43091 NULL +dsl_dataset_namelen_43136 dsl_dataset_namelen 0 43136 NULL ++kcopy_write_43683 kcopy_write 3 43683 NULL +uiomove_44355 uiomove 2 44355 NULL +dmu_read_44418 dmu_read 4-3 44418 NULL +ddi_copyin_44846 ddi_copyin 3 44846 NULL ++kcopy_do_get_45061 kcopy_do_get 5 45061 NULL +copyin_45945 copyin 3 45945 NULL +zil_itx_create_46555 zil_itx_create 2 46555 NULL +dmu_write_uio_dbuf_48064 dmu_write_uio_dbuf 3 48064 NULL +spa_history_write_49650 spa_history_write 3 49650 NULL ++kcopy_copy_pages_to_user_49823 kcopy_copy_pages_to_user 3-4 49823 NULL +zfs_log_write_50162 zfs_log_write 6-5 50162 NULL +i_fm_alloc_51038 i_fm_alloc 2 51038 NULL +copyout_51409 copyout 3 51409 NULL @@ -117950,10 +117957,10 @@ index 0000000..5dd8a8f +zpios_read_64734 zpios_read 3 64734 NULL diff --git a/tools/gcc/size_overflow_plugin.c b/tools/gcc/size_overflow_plugin.c new file mode 100644 -index 0000000..0a9dd22 +index 0000000..ed21b21 --- /dev/null +++ b/tools/gcc/size_overflow_plugin.c -@@ -0,0 +1,4110 @@ +@@ -0,0 +1,4166 @@ +/* + * Copyright 2011-2014 by Emese Revfy <re.emese@gmail.com> + * Licensed under the GPL v2, or (at your option) v3 @@ -117982,7 +117989,7 @@ index 0000000..0a9dd22 +int plugin_is_GPL_compatible; + +static struct plugin_info size_overflow_plugin_info = { -+ .version = "20140402", ++ .version = "20140407", + .help = "no-size-overflow\tturn off size overflow checking\n", +}; + @@ -119312,12 +119319,62 @@ index 0000000..0a9dd22 + insert_check_size_overflow(caller_node, stmt, LT_EXPR, cast_rhs, type_min, before, MIN_CHECK); +} + ++static bool is_lt_signed_type_max(const_tree rhs) ++{ ++ const_tree new_type, type_max, type = TREE_TYPE(rhs); ++ ++ if (!TYPE_UNSIGNED(type)) ++ return true; ++ ++ switch (TYPE_MODE(type)) { ++ case QImode: ++ new_type = intQI_type_node; ++ break; ++ case HImode: ++ new_type = intHI_type_node; ++ break; ++ case SImode: ++ new_type = intSI_type_node; ++ break; ++ case DImode: ++ new_type = intDI_type_node; ++ break; ++ default: ++ debug_tree((tree)type); ++ gcc_unreachable(); ++ } ++ ++ type_max = TYPE_MAX_VALUE(new_type); ++ if (!tree_int_cst_lt(type_max, rhs)) ++ return true; ++ ++ return false; ++} ++ ++static bool is_gt_zero(const_tree rhs) ++{ ++ const_tree type = TREE_TYPE(rhs); ++ ++ if (TYPE_UNSIGNED(type)) ++ return true; ++ ++ if (!tree_int_cst_lt(rhs, integer_zero_node)) ++ return true; ++ ++ return false; ++} ++ +static bool is_a_constant_overflow(const_gimple stmt, const_tree rhs) +{ + if (gimple_assign_rhs_code(stmt) == MIN_EXPR) + return false; + if (!is_gimple_constant(rhs)) + return false; ++ ++ // If the const is between 0 and the max value of the signed type of the same bitsize then there is no intentional overflow ++// if (is_lt_signed_type_max(rhs) && is_gt_zero(rhs)) ++// return false; ++ + return true; +} + @@ -119521,6 +119578,12 @@ index 0000000..0a9dd22 + if (is_a_constant_overflow(def_stmt, rhs1)) + return handle_intentional_overflow(visited, caller_node, !is_a_cast_and_const_overflow(rhs2), def_stmt, new_rhs2, new_rhs2); + ++ // the const is between 0 and (signed) MAX ++ if (is_gimple_constant(rhs1)) ++ new_rhs1 = create_assign(visited, def_stmt, rhs1, BEFORE_STMT); ++ if (is_gimple_constant(rhs2)) ++ new_rhs2 = create_assign(visited, def_stmt, rhs2, BEFORE_STMT); ++ + return dup_assign(visited, def_stmt, lhs, new_rhs1, new_rhs2, NULL_TREE); +} + |