Script 'mail_helper' called by obssrc Hello community, here is the log from the commit of package trustedgrub2 for openSUSE:Factory checked in at 2022-05-23 15:52:02 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ Comparing /work/SRC/openSUSE:Factory/trustedgrub2 (Old) and /work/SRC/openSUSE:Factory/.trustedgrub2.new.2254 (New) ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Package is "trustedgrub2" Mon May 23 15:52:02 2022 rev:11 rq:978653 version:1.4.0 Changes: -------- --- /work/SRC/openSUSE:Factory/trustedgrub2/trustedgrub2.changes 2021-04-22 18:05:52.154685586 +0200 +++ /work/SRC/openSUSE:Factory/.trustedgrub2.new.2254/trustedgrub2.changes 2022-05-23 15:52:09.898670094 +0200 @@ -1,0 +2,9 @@ +Mon May 23 06:33:29 UTC 2022 - Michael Chang <mch...@suse.com> + +- Fix GCC 12 build failure + * 0001-Fix-Werror-array-bounds-array-subscript-0-is-outside.patch + * 0002-reed_solomon-Fix-array-subscript-0-is-outside-array-.patch +- Revised + * grub2-btrfs-01-add-ability-to-boot-from-subvolumes.patch + +------------------------------------------------------------------- New: ---- 0001-Fix-Werror-array-bounds-array-subscript-0-is-outside.patch 0002-reed_solomon-Fix-array-subscript-0-is-outside-array-.patch ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ Other differences: ------------------ ++++++ trustedgrub2.spec ++++++ --- /var/tmp/diff_new_pack.qkB5fY/_old 2022-05-23 15:52:10.698670848 +0200 +++ /var/tmp/diff_new_pack.qkB5fY/_new 2022-05-23 15:52:10.702670852 +0200 @@ -1,7 +1,7 @@ # # spec file for package trustedgrub2 # -# Copyright (c) 2021 SUSE LLC +# Copyright (c) 2022 SUSE LLC # # All modifications and additions to the file contributed by third parties # remain the property of their copyright owners, unless otherwise agreed @@ -68,6 +68,8 @@ Patch104: grub2-btrfs-04-subvol-mount.patch Patch105: grub2-btrfs-05-subvol-fallback.patch Patch110: grub2-menu-unrestricted.patch +Patch111: 0001-Fix-Werror-array-bounds-array-subscript-0-is-outside.patch +Patch112: 0002-reed_solomon-Fix-array-subscript-0-is-outside-array-.patch BuildRequires: automake BuildRequires: bison BuildRequires: flex ++++++ 0001-Fix-Werror-array-bounds-array-subscript-0-is-outside.patch ++++++ >From 04de53cb4adc0ae6429b0715c3f1dd8a62ff9a0f Mon Sep 17 00:00:00 2001 From: Michael Chang <mch...@suse.com> Date: Wed, 16 Mar 2022 17:05:01 +0800 Subject: [PATCH 1/2] Fix -Werror=array-bounds array subscript 0 is outside array bounds The grub is failing to build with gcc-12 in many places like this: In function 'init_cbfsdisk', inlined from 'grub_mod_init' at ../../grub-core/fs/cbfs.c:391:3: ../../grub-core/fs/cbfs.c:345:7: error: array subscript 0 is outside array bounds of 'grub_uint32_t[0]' {aka 'unsigned int[]'} [-Werror=array-bounds] 345 | ptr = *(grub_uint32_t *) 0xfffffffc; | ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ This is caused by gcc regression in 11/12 [1]. In a nut shell, the warning is about detected invalid accesses at non-zero offsets to null pointers. Since hardwired constant address is treated as NULL plus an offset in the same underlying code, the warning is therefore triggered. Instead of inserting #pragma all over the places where literal pointers are accessed to avoid diagnosing array-bounds, we can try to borrow the idea from linux kernel that the absolute_pointer macro [2][3] is used to disconnect a pointer using literal address from it's original object, hence gcc won't be able to make assumptions on the boundary while doing pointer arithmetic. With that we can greatly reduce the code we have to cover up by making initial literal pointer assignment to use the new wrapper but not having to track everywhere literal pointers are accessed. This also makes code looks cleaner. [1] https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99578 [2] https://elixir.bootlin.com/linux/v5.16.14/source/include/linux/compiler.h#L180 [3] https://elixir.bootlin.com/linux/v5.16.14/source/include/linux/compiler-gcc.h#L31 Signed-off-by: Michael Chang <mch...@suse.com> --- grub-core/bus/cs5536.c | 4 ++-- grub-core/commands/acpi.c | 4 ++-- grub-core/commands/efi/loadbios.c | 9 +++++---- grub-core/commands/i386/pc/drivemap.c | 9 ++++++--- grub-core/commands/i386/pc/sendkey.c | 12 ++++++------ grub-core/disk/i386/pc/biosdisk.c | 4 ++-- grub-core/fs/cbfs.c | 2 +- grub-core/kern/i386/pc/acpi.c | 4 ++-- grub-core/kern/i386/pc/mmap.c | 2 +- grub-core/loader/i386/multiboot_mbi.c | 2 +- grub-core/loader/multiboot_mbi2.c | 4 ++-- grub-core/mmap/i386/pc/mmap.c | 26 +++++++++++++------------- grub-core/net/drivers/i386/pc/pxe.c | 12 ++++++------ grub-core/term/i386/pc/console.c | 5 ++--- grub-core/term/i386/pc/vga_text.c | 6 +++--- grub-core/term/ns8250.c | 7 ++++++- grub-core/video/i386/pc/vbe.c | 6 +++--- include/grub/compiler.h | 11 +++++++++++ 18 files changed, 74 insertions(+), 55 deletions(-) --- a/grub-core/bus/cs5536.c +++ b/grub-core/bus/cs5536.c @@ -331,8 +331,8 @@ { volatile grub_uint32_t *oc; - oc = grub_pci_device_map_range (dev, 0x05022000, - GRUB_CS5536_USB_OPTION_REGS_SIZE); + oc = grub_absolute_pointer (grub_pci_device_map_range (dev, 0x05022000, + GRUB_CS5536_USB_OPTION_REGS_SIZE)); oc[GRUB_CS5536_USB_OPTION_REG_UOCMUX] = (oc[GRUB_CS5536_USB_OPTION_REG_UOCMUX] --- a/grub-core/commands/acpi.c +++ b/grub-core/commands/acpi.c @@ -167,7 +167,7 @@ struct grub_acpi_rsdp_v10 *v1; struct grub_acpi_rsdp_v20 *v2; - ebda = (grub_uint8_t *) (grub_addr_t) ((*((grub_uint16_t *)0x40e)) << 4); + ebda = (grub_uint8_t *) (grub_addr_t) ((*((grub_uint16_t *)grub_absolute_pointer(0x40e))) << 4); grub_dprintf ("acpi", "EBDA @%p\n", ebda); if (ebda) ebda_kb_len = *(grub_uint16_t *) ebda; @@ -297,7 +297,7 @@ *target = 0; grub_dprintf ("acpi", "Switching EBDA\n"); - (*((grub_uint16_t *) 0x40e)) = ((grub_addr_t) targetebda) >> 4; + (*((grub_uint16_t *) grub_absolute_pointer(0x40e))) = ((grub_addr_t) targetebda) >> 4; grub_dprintf ("acpi", "EBDA switched\n"); return GRUB_ERR_NONE; --- a/grub-core/commands/efi/loadbios.c +++ b/grub-core/commands/efi/loadbios.c @@ -46,7 +46,7 @@ grub_uint32_t *rom_ptr; grub_pci_device_t dev = { .bus = 0, .device = 0, .function = 0}; - rom_ptr = (grub_uint32_t *) VBIOS_ADDR; + rom_ptr = grub_absolute_pointer (VBIOS_ADDR); if (*rom_ptr != BLANK_MEM) { grub_puts_ (N_("ROM image is present.")); @@ -96,8 +96,8 @@ void *acpi, *smbios; grub_uint16_t *ebda_seg_ptr, *low_mem_ptr; - ebda_seg_ptr = (grub_uint16_t *) EBDA_SEG_ADDR; - low_mem_ptr = (grub_uint16_t *) LOW_MEM_ADDR; + ebda_seg_ptr = grub_absolute_pointer (EBDA_SEG_ADDR); + low_mem_ptr = grub_absolute_pointer (LOW_MEM_ADDR); if ((*ebda_seg_ptr) || (*low_mem_ptr)) return; @@ -132,7 +132,8 @@ *ebda_seg_ptr = FAKE_EBDA_SEG; *low_mem_ptr = (FAKE_EBDA_SEG >> 6); - *((grub_uint16_t *) (FAKE_EBDA_SEG << 4)) = 640 - *low_mem_ptr; + /* *((grub_uint16_t *) (FAKE_EBDA_SEG << 4)) = 640 - *low_mem_ptr; */ + *((grub_uint16_t *) (grub_absolute_pointer (FAKE_EBDA_SEG << 4))) = 640 - *low_mem_ptr; if (acpi) grub_memcpy ((char *) ((FAKE_EBDA_SEG << 4) + 16), acpi, 1024 - 16); --- a/grub-core/commands/i386/pc/drivemap.c +++ b/grub-core/commands/i386/pc/drivemap.c @@ -31,9 +31,6 @@ GRUB_MOD_LICENSE ("GPLv3+"); -/* Real mode IVT slot (seg:off far pointer) for interrupt 0x13. */ -static grub_uint32_t *const int13slot = (grub_uint32_t *) (4 * 0x13); - /* Remember to update enum opt_idxs accordingly. */ static const struct grub_arg_option options[] = { /* TRANSLATORS: In this file "mapping" refers to a change GRUB makes so if @@ -280,6 +277,9 @@ grub_uint8_t *handler_base = 0; /* Address of the map within the deployed bundle. */ int13map_node_t *handler_map; + /* Real mode IVT slot (seg:off far pointer) for interrupt 0x13. */ + grub_uint32_t *int13slot = (grub_uint32_t *) grub_absolute_pointer (4 * 0x13); + int i; int entries = 0; @@ -354,6 +354,9 @@ static grub_err_t uninstall_int13_handler (void) { + /* Real mode IVT slot (seg:off far pointer) for interrupt 0x13. */ + grub_uint32_t *int13slot = (grub_uint32_t *) grub_absolute_pointer (4 * 0x13); + if (! grub_drivemap_oldhandler) return GRUB_ERR_NONE; --- a/grub-core/commands/i386/pc/sendkey.c +++ b/grub-core/commands/i386/pc/sendkey.c @@ -216,12 +216,12 @@ grub_sendkey_postboot (void) { /* For convention: pointer to flags. */ - grub_uint32_t *flags = (grub_uint32_t *) 0x417; + grub_uint32_t *flags = grub_absolute_pointer (0x417); *flags = oldflags; - *((char *) 0x41a) = 0x1e; - *((char *) 0x41c) = 0x1e; + *((char *) grub_absolute_pointer (0x41a)) = 0x1e; + *((char *) grub_absolute_pointer (0x41c)) = 0x1e; return GRUB_ERR_NONE; } @@ -231,13 +231,13 @@ grub_sendkey_preboot (int noret __attribute__ ((unused))) { /* For convention: pointer to flags. */ - grub_uint32_t *flags = (grub_uint32_t *) 0x417; + grub_uint32_t *flags = grub_absolute_pointer (0x417); oldflags = *flags; /* Set the sendkey. */ - *((char *) 0x41a) = 0x1e; - *((char *) 0x41c) = keylen + 0x1e; + *((char *) grub_absolute_pointer (0x41a)) = 0x1e; + *((char *) grub_absolute_pointer (0x41c)) = keylen + 0x1e; grub_memcpy ((char *) 0x41e, sendkey, 0x20); /* Transform "any ctrl" to "right ctrl" flag. */ --- a/grub-core/disk/i386/pc/biosdisk.c +++ b/grub-core/disk/i386/pc/biosdisk.c @@ -367,7 +367,7 @@ if (version) { struct grub_biosdisk_drp *drp - = (struct grub_biosdisk_drp *) GRUB_MEMORY_MACHINE_SCRATCH_ADDR; + = (struct grub_biosdisk_drp *) grub_absolute_pointer (GRUB_MEMORY_MACHINE_SCRATCH_ADDR); /* Clear out the DRP. */ grub_memset (drp, 0, sizeof (*drp)); @@ -654,7 +654,7 @@ GRUB_MOD_INIT(biosdisk) { struct grub_biosdisk_cdrp *cdrp - = (struct grub_biosdisk_cdrp *) GRUB_MEMORY_MACHINE_SCRATCH_ADDR; + = (struct grub_biosdisk_cdrp *) grub_absolute_pointer (GRUB_MEMORY_MACHINE_SCRATCH_ADDR); grub_uint8_t boot_drive; if (grub_disk_firmware_is_tainted) --- a/grub-core/fs/cbfs.c +++ b/grub-core/fs/cbfs.c @@ -342,7 +342,7 @@ grub_uint32_t ptr; struct cbfs_header *head; - ptr = *(grub_uint32_t *) 0xfffffffc; + ptr = *((grub_uint32_t *) grub_absolute_pointer (0xfffffffc)); head = (struct cbfs_header *) (grub_addr_t) ptr; grub_dprintf ("cbfs", "head=%p\n", head); --- a/grub-core/kern/i386/pc/acpi.c +++ b/grub-core/kern/i386/pc/acpi.c @@ -27,7 +27,7 @@ grub_uint8_t *ebda, *ptr; grub_dprintf ("acpi", "Looking for RSDP. Scanning EBDA\n"); - ebda = (grub_uint8_t *) ((* ((grub_uint16_t *) 0x40e)) << 4); + ebda = (grub_uint8_t *) ((* ((grub_uint16_t *) grub_absolute_pointer (0x40e))) << 4); ebda_len = * (grub_uint16_t *) ebda; if (! ebda_len) /* FIXME do we really need this check? */ goto scan_bios; @@ -55,7 +55,7 @@ grub_uint8_t *ebda, *ptr; grub_dprintf ("acpi", "Looking for RSDP. Scanning EBDA\n"); - ebda = (grub_uint8_t *) ((* ((grub_uint16_t *) 0x40e)) << 4); + ebda = (grub_uint8_t *) ((* ((grub_uint16_t *) grub_absolute_pointer (0x40e))) << 4); ebda_len = * (grub_uint16_t *) ebda; if (! ebda_len) /* FIXME do we really need this check? */ goto scan_bios; --- a/grub-core/kern/i386/pc/mmap.c +++ b/grub-core/kern/i386/pc/mmap.c @@ -143,7 +143,7 @@ { grub_uint32_t cont = 0; struct grub_machine_mmap_entry *entry - = (struct grub_machine_mmap_entry *) GRUB_MEMORY_MACHINE_SCRATCH_ADDR; + = (struct grub_machine_mmap_entry *) grub_absolute_pointer (GRUB_MEMORY_MACHINE_SCRATCH_ADDR); int e820_works = 0; while (1) --- a/grub-core/loader/i386/multiboot_mbi.c +++ b/grub-core/loader/i386/multiboot_mbi.c @@ -284,7 +284,7 @@ struct grub_vbe_mode_info_block *mode_info; #if GRUB_MACHINE_HAS_VBE grub_vbe_status_t status; - void *scratch = (void *) GRUB_MEMORY_MACHINE_SCRATCH_ADDR; + void *scratch = grub_absolute_pointer (GRUB_MEMORY_MACHINE_SCRATCH_ADDR); status = grub_vbe_bios_get_controller_info (scratch); if (status != GRUB_VBE_STATUS_OK) --- a/grub-core/loader/multiboot_mbi2.c +++ b/grub-core/loader/multiboot_mbi2.c @@ -445,7 +445,7 @@ fill_vbe_tag (struct multiboot_tag_vbe *tag) { grub_vbe_status_t status; - void *scratch = (void *) GRUB_MEMORY_MACHINE_SCRATCH_ADDR; + void *scratch = grub_absolute_pointer (GRUB_MEMORY_MACHINE_SCRATCH_ADDR); tag->type = MULTIBOOT_TAG_TYPE_VBE; tag->size = 0; @@ -518,7 +518,7 @@ #if defined (GRUB_MACHINE_PCBIOS) { grub_vbe_status_t status; - void *scratch = (void *) GRUB_MEMORY_MACHINE_SCRATCH_ADDR; + void *scratch = grub_absolute_pointer (GRUB_MEMORY_MACHINE_SCRATCH_ADDR); status = grub_vbe_bios_get_mode (scratch); vbe_mode = *(grub_uint32_t *) scratch; if (status != GRUB_VBE_STATUS_OK) --- a/grub-core/mmap/i386/pc/mmap.c +++ b/grub-core/mmap/i386/pc/mmap.c @@ -88,13 +88,13 @@ = min (grub_mmap_get_post64 (), 0xfc000000ULL) >> 16; /* Correct BDA. */ - *((grub_uint16_t *) 0x413) = grub_mmap_get_lower () >> 10; + *((grub_uint16_t *) grub_absolute_pointer (0x413)) = grub_mmap_get_lower () >> 10; /* Save old interrupt handlers. */ - grub_machine_mmaphook_int12offset = *((grub_uint16_t *) 0x48); - grub_machine_mmaphook_int12segment = *((grub_uint16_t *) 0x4a); - grub_machine_mmaphook_int15offset = *((grub_uint16_t *) 0x54); - grub_machine_mmaphook_int15segment = *((grub_uint16_t *) 0x56); + grub_machine_mmaphook_int12offset = *((grub_uint16_t *) grub_absolute_pointer (0x48)); + grub_machine_mmaphook_int12segment = *((grub_uint16_t *) grub_absolute_pointer (0x4a)); + grub_machine_mmaphook_int15offset = *((grub_uint16_t *) grub_absolute_pointer (0x54)); + grub_machine_mmaphook_int15segment = *((grub_uint16_t *) grub_absolute_pointer (0x56)); grub_dprintf ("mmap", "hooktarget = %p\n", hooktarget); @@ -102,11 +102,11 @@ grub_memcpy (hooktarget, &grub_machine_mmaphook_start, &grub_machine_mmaphook_end - &grub_machine_mmaphook_start); - *((grub_uint16_t *) 0x4a) = ((grub_addr_t) hooktarget) >> 4; - *((grub_uint16_t *) 0x56) = ((grub_addr_t) hooktarget) >> 4; - *((grub_uint16_t *) 0x48) = &grub_machine_mmaphook_int12 + *((grub_uint16_t *) grub_absolute_pointer (0x4a)) = ((grub_addr_t) hooktarget) >> 4; + *((grub_uint16_t *) grub_absolute_pointer (0x56)) = ((grub_addr_t) hooktarget) >> 4; + *((grub_uint16_t *) grub_absolute_pointer (0x48)) = &grub_machine_mmaphook_int12 - &grub_machine_mmaphook_start; - *((grub_uint16_t *) 0x54) = &grub_machine_mmaphook_int15 + *((grub_uint16_t *) grub_absolute_pointer (0x54)) = &grub_machine_mmaphook_int15 - &grub_machine_mmaphook_start; return GRUB_ERR_NONE; @@ -116,10 +116,10 @@ preboot_rest (void) { /* Restore old interrupt handlers. */ - *((grub_uint16_t *) 0x48) = grub_machine_mmaphook_int12offset; - *((grub_uint16_t *) 0x4a) = grub_machine_mmaphook_int12segment; - *((grub_uint16_t *) 0x54) = grub_machine_mmaphook_int15offset; - *((grub_uint16_t *) 0x56) = grub_machine_mmaphook_int15segment; + *((grub_uint16_t *) grub_absolute_pointer (0x48)) = grub_machine_mmaphook_int12offset; + *((grub_uint16_t *) grub_absolute_pointer (0x4a)) = grub_machine_mmaphook_int12segment; + *((grub_uint16_t *) grub_absolute_pointer (0x54)) = grub_machine_mmaphook_int15offset; + *((grub_uint16_t *) grub_absolute_pointer (0x56)) = grub_machine_mmaphook_int15segment; return GRUB_ERR_NONE; } --- a/grub-core/net/drivers/i386/pc/pxe.c +++ b/grub-core/net/drivers/i386/pc/pxe.c @@ -174,7 +174,7 @@ grub_uint8_t *ptr, *end; struct grub_net_buff *buf; - isr = (void *) GRUB_MEMORY_MACHINE_SCRATCH_ADDR; + isr = (void *) grub_absolute_pointer (GRUB_MEMORY_MACHINE_SCRATCH_ADDR); if (!in_progress) { @@ -256,11 +256,11 @@ struct grub_pxe_undi_tbd *tbd; char *buf; - trans = (void *) GRUB_MEMORY_MACHINE_SCRATCH_ADDR; + trans = (void *) grub_absolute_pointer (GRUB_MEMORY_MACHINE_SCRATCH_ADDR); grub_memset (trans, 0, sizeof (*trans)); - tbd = (void *) (GRUB_MEMORY_MACHINE_SCRATCH_ADDR + 128); + tbd = (void *) grub_absolute_pointer (GRUB_MEMORY_MACHINE_SCRATCH_ADDR + 128); grub_memset (tbd, 0, sizeof (*tbd)); - buf = (void *) (GRUB_MEMORY_MACHINE_SCRATCH_ADDR + 256); + buf = (void *) grub_absolute_pointer (GRUB_MEMORY_MACHINE_SCRATCH_ADDR + 256); grub_memcpy (buf, pack->data, pack->tail - pack->data); trans->tbd = SEGOFS ((grub_addr_t) tbd); @@ -287,7 +287,7 @@ grub_pxe_open (struct grub_net_card *dev __attribute__ ((unused))) { struct grub_pxe_undi_open *ou; - ou = (void *) GRUB_MEMORY_MACHINE_SCRATCH_ADDR; + ou = (void *) grub_absolute_pointer (GRUB_MEMORY_MACHINE_SCRATCH_ADDR); grub_memset (ou, 0, sizeof (*ou)); ou->pkt_filter = 4; grub_pxe_call (GRUB_PXENV_UNDI_OPEN, ou, pxe_rm_entry); @@ -382,7 +382,7 @@ if (! pxenv) return; - ui = (void *) GRUB_MEMORY_MACHINE_SCRATCH_ADDR; + ui = (void *) grub_absolute_pointer (GRUB_MEMORY_MACHINE_SCRATCH_ADDR); grub_memset (ui, 0, sizeof (*ui)); grub_pxe_call (GRUB_PXENV_UNDI_GET_INFORMATION, ui, pxe_rm_entry); --- a/grub-core/term/i386/pc/console.c +++ b/grub-core/term/i386/pc/console.c @@ -238,12 +238,11 @@ return (regs.eax & 0xff) + (('a' - 1) | GRUB_TERM_CTRL); } -static const struct grub_machine_bios_data_area *bios_data_area = - (struct grub_machine_bios_data_area *) GRUB_MEMORY_MACHINE_BIOS_DATA_AREA_ADDR; - static int grub_console_getkeystatus (struct grub_term_input *term __attribute__ ((unused))) { + const struct grub_machine_bios_data_area *bios_data_area = + (struct grub_machine_bios_data_area *) grub_absolute_pointer (GRUB_MEMORY_MACHINE_BIOS_DATA_AREA_ADDR); /* conveniently GRUB keystatus is modelled after BIOS one. */ return bios_data_area->keyboard_flag_lower & ~0x80; } --- a/grub-core/term/i386/pc/vga_text.c +++ b/grub-core/term/i386/pc/vga_text.c @@ -45,15 +45,15 @@ static struct grub_term_coordinate grub_curr_pos; #ifdef __mips__ -#define VGA_TEXT_SCREEN ((grub_uint16_t *) 0xb00b8000) +#define VGA_TEXT_SCREEN ((grub_uint16_t *) grub_absolute_pointer (0xb00b8000)) #define cr_read grub_vga_cr_read #define cr_write grub_vga_cr_write #elif defined (MODE_MDA) -#define VGA_TEXT_SCREEN ((grub_uint16_t *) 0xb0000) +#define VGA_TEXT_SCREEN ((grub_uint16_t *) grub_absolute_pointer (0xb0000)) #define cr_read grub_vga_cr_bw_read #define cr_write grub_vga_cr_bw_write #else -#define VGA_TEXT_SCREEN ((grub_uint16_t *) 0xb8000) +#define VGA_TEXT_SCREEN ((grub_uint16_t *) grub_absolute_pointer (0xb8000)) #define cr_read grub_vga_cr_read #define cr_write grub_vga_cr_write #endif --- a/grub-core/term/ns8250.c +++ b/grub-core/term/ns8250.c @@ -28,7 +28,6 @@ #ifdef GRUB_MACHINE_PCBIOS #include <grub/machine/memory.h> -static const unsigned short *serial_hw_io_addr = (const unsigned short *) GRUB_MEMORY_MACHINE_BIOS_DATA_AREA_ADDR; #define GRUB_SERIAL_PORT_NUM 4 #else #include <grub/machine/serial.h> @@ -237,6 +236,9 @@ void grub_ns8250_init (void) { +#ifdef GRUB_MACHINE_PCBIOS + const unsigned short *serial_hw_io_addr = (const unsigned short *) grub_absolute_pointer (GRUB_MEMORY_MACHINE_BIOS_DATA_AREA_ADDR); +#endif unsigned i; for (i = 0; i < GRUB_SERIAL_PORT_NUM; i++) if (serial_hw_io_addr[i]) @@ -272,6 +274,9 @@ grub_port_t grub_ns8250_hw_get_port (const unsigned int unit) { +#ifdef GRUB_MACHINE_PCBIOS + const unsigned short *serial_hw_io_addr = (const unsigned short *) grub_absolute_pointer (GRUB_MEMORY_MACHINE_BIOS_DATA_AREA_ADDR); +#endif if (unit < GRUB_SERIAL_PORT_NUM && !(dead_ports & (1 << unit))) return serial_hw_io_addr[unit]; --- a/grub-core/video/i386/pc/vbe.c +++ b/grub-core/video/i386/pc/vbe.c @@ -514,7 +514,7 @@ /* Use low memory scratch area as temporary storage for VESA BIOS call. */ - vbe_ib = (struct grub_vbe_info_block *) GRUB_MEMORY_MACHINE_SCRATCH_ADDR; + vbe_ib = (struct grub_vbe_info_block *) grub_absolute_pointer (GRUB_MEMORY_MACHINE_SCRATCH_ADDR); /* Prepare info block. */ grub_memset (vbe_ib, 0, sizeof (*vbe_ib)); @@ -574,7 +574,7 @@ /* Use low memory scratch area as temporary storage for VESA BIOS calls. */ flat_panel_info = (struct grub_vbe_flat_panel_info *) - (GRUB_MEMORY_MACHINE_SCRATCH_ADDR + sizeof (struct grub_video_edid_info)); + grub_absolute_pointer (GRUB_MEMORY_MACHINE_SCRATCH_ADDR + sizeof (struct grub_video_edid_info)); if (controller_info.version >= 0x200 && (grub_vbe_bios_get_ddc_capabilities (&ddc_level) & 0xff) @@ -676,7 +676,7 @@ == GRUB_VBE_MEMORY_MODEL_PACKED_PIXEL) { struct grub_vbe_palette_data *palette - = (struct grub_vbe_palette_data *) GRUB_MEMORY_MACHINE_SCRATCH_ADDR; + = (struct grub_vbe_palette_data *) grub_absolute_pointer (GRUB_MEMORY_MACHINE_SCRATCH_ADDR); unsigned i; /* Make sure that the BIOS can reach the palette. */ --- a/include/grub/compiler.h +++ b/include/grub/compiler.h @@ -48,4 +48,15 @@ # define WARN_UNUSED_RESULT #endif +#if defined(__GNUC__) +# define grub_absolute_pointer(val) \ +({ \ + unsigned long __ptr; \ + __asm__ ("" : "=r"(__ptr) : "0"((void *)(val))); \ + (void *) (__ptr); \ +}) +#else +# define grub_absolute_pointer(val) ((void *)(val)) +#endif + #endif /* ! GRUB_COMPILER_HEADER */ ++++++ 0002-reed_solomon-Fix-array-subscript-0-is-outside-array-.patch ++++++ >From 0b1b1666ecd98d577cb72b3f4acdbe3af2e86a84 Mon Sep 17 00:00:00 2001 From: Michael Chang <mch...@suse.com> Date: Wed, 16 Mar 2022 17:59:30 +0800 Subject: [PATCH 2/2] reed_solomon: Fix array subscript 0 is outside array bounds The grub_absolute_pointer() is a compound expression that can only work within a function. We are out of luck here when the pointer variables require global definition due to ATTRIBUTE_TEXT that have to use fully initialized global definition because of the way linkers work. static gf_single_t * const gf_powx ATTRIBUTE_TEXT = (void *) 0x100000; For the reason given above, use gcc diagnostic pragmas to suppress the array-bounds warning. Signed-off-by: Michael Chang <mch...@suse.com> --- grub-core/lib/reed_solomon.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/grub-core/lib/reed_solomon.c b/grub-core/lib/reed_solomon.c index 467305b46a..817db6a234 100644 --- a/grub-core/lib/reed_solomon.c +++ b/grub-core/lib/reed_solomon.c @@ -102,6 +102,11 @@ static gf_single_t errvals[256]; static gf_single_t eqstat[65536 + 256]; #endif +#if __GNUC__ == 12 +#pragma GCC diagnostic push +#pragma GCC diagnostic ignored "-Warray-bounds" +#endif + static gf_single_t gf_mul (gf_single_t a, gf_single_t b) { @@ -319,6 +324,10 @@ decode_block (gf_single_t *ptr, grub_size_t s, } } +#if __GNUC__ == 12 +#pragma GCC diagnostic pop +#endif + #if !defined (STANDALONE) static void encode_block (gf_single_t *ptr, grub_size_t s, -- 2.34.1 ++++++ grub2-btrfs-01-add-ability-to-boot-from-subvolumes.patch ++++++ --- /var/tmp/diff_new_pack.qkB5fY/_old 2022-05-23 15:52:10.810670954 +0200 +++ /var/tmp/diff_new_pack.qkB5fY/_new 2022-05-23 15:52:10.814670958 +0200 @@ -16,15 +16,19 @@ variable and loading the config file from the subvolume. Signed-off-by: Jeff Mahoney <je...@suse.com> + +V1: + * Fix gcc-12 error: the comparison will always evaluate as 'true' for the + address of 'label' will never be NULL [-Werror=address] + --- - grub-core/fs/btrfs.c | 529 +++++++++++++++++++++++++++++++++++++++++++++++++-- - 1 file changed, 518 insertions(+), 11 deletions(-) + grub-core/fs/btrfs.c | 548 +++++++++++++++++++++++++++++++++++++++++++++++++-- + include/grub/btrfs.h | 1 + 2 files changed, 531 insertions(+), 18 deletions(-) -Index: trustedgrub2-2.02~beta2/grub-core/fs/btrfs.c -=================================================================== ---- trustedgrub2-2.02~beta2.orig/grub-core/fs/btrfs.c -+++ trustedgrub2-2.02~beta2/grub-core/fs/btrfs.c +--- a/grub-core/fs/btrfs.c ++++ b/grub-core/fs/btrfs.c @@ -29,6 +29,9 @@ #include <minilzo.h> #include <grub/i18n.h> @@ -35,7 +39,7 @@ GRUB_MOD_LICENSE ("GPLv3+"); -@@ -64,9 +67,11 @@ struct grub_btrfs_superblock +@@ -64,9 +67,11 @@ grub_uint64_t generation; grub_uint64_t root_tree; grub_uint64_t chunk_tree; @@ -49,7 +53,7 @@ struct grub_btrfs_device this_device; char label[0x100]; grub_uint8_t dummy4[0x100]; -@@ -105,6 +110,7 @@ struct grub_btrfs_data +@@ -105,6 +110,7 @@ grub_uint64_t exttree; grub_size_t extsize; struct grub_btrfs_extent_data *extent; @@ -57,7 +61,7 @@ }; struct grub_btrfs_chunk_item -@@ -171,6 +177,14 @@ struct grub_btrfs_leaf_descriptor +@@ -171,6 +177,14 @@ } *data; }; @@ -72,7 +76,7 @@ struct grub_btrfs_time { grub_int64_t sec; -@@ -215,6 +229,14 @@ struct grub_btrfs_extent_data +@@ -215,6 +229,14 @@ #define GRUB_BTRFS_OBJECT_ID_CHUNK 0x100 @@ -87,7 +91,7 @@ static grub_disk_addr_t superblock_sectors[] = { 64 * 2, 64 * 1024 * 2, 256 * 1048576 * 2, 1048576ULL * 1048576ULL * 2 }; -@@ -837,6 +859,62 @@ grub_btrfs_read_logical (struct grub_btr +@@ -837,6 +859,62 @@ return GRUB_ERR_NONE; } @@ -150,7 +154,7 @@ static struct grub_btrfs_data * grub_btrfs_mount (grub_device_t dev) { -@@ -872,6 +950,13 @@ grub_btrfs_mount (grub_device_t dev) +@@ -872,6 +950,13 @@ data->devices_attached[0].dev = dev; data->devices_attached[0].id = data->sblock.this_device.device_id; @@ -164,7 +168,7 @@ return data; } -@@ -1233,6 +1318,91 @@ get_root (struct grub_btrfs_data *data, +@@ -1233,6 +1318,91 @@ } static grub_err_t @@ -256,7 +260,7 @@ find_path (struct grub_btrfs_data *data, const char *path, struct grub_btrfs_key *key, grub_uint64_t *tree, grub_uint8_t *type) -@@ -1250,14 +1420,26 @@ find_path (struct grub_btrfs_data *data, +@@ -1250,14 +1420,26 @@ char *origpath = NULL; unsigned symlinks_max = 32; @@ -287,7 +291,7 @@ while (1) { while (path[0] == '/') -@@ -1430,9 +1612,21 @@ find_path (struct grub_btrfs_data *data, +@@ -1430,9 +1612,21 @@ path = path_alloc = tmp; if (path[0] == '/') { @@ -312,7 +316,7 @@ } continue; } -@@ -1673,6 +1867,20 @@ grub_btrfs_read (grub_file_t file, char +@@ -1673,6 +1867,20 @@ data->tree, file->offset, buf, len); } @@ -333,7 +337,7 @@ static grub_err_t grub_btrfs_uuid (grub_device_t device, char **uuid) { -@@ -1684,15 +1892,7 @@ grub_btrfs_uuid (grub_device_t device, c +@@ -1684,15 +1892,7 @@ if (!data) return grub_errno; @@ -350,7 +354,7 @@ grub_btrfs_unmount (data); -@@ -1749,6 +1949,242 @@ grub_btrfs_embed (grub_device_t device _ +@@ -1749,6 +1949,242 @@ } #endif @@ -383,7 +387,7 @@ + return grub_error (GRUB_ERR_BAD_ARGUMENT, "failed to open fs"); + } + -+ if (data->sblock.label) ++ if (*data->sblock.label != '\0') + grub_printf("Label: '%s' ", data->sblock.label); + else + grub_printf("Label: none "); @@ -593,7 +597,7 @@ static struct grub_fs grub_btrfs_fs = { .name = "btrfs", .dir = grub_btrfs_dir, -@@ -1764,12 +2200,88 @@ static struct grub_fs grub_btrfs_fs = { +@@ -1764,12 +2200,88 @@ #endif }; @@ -682,11 +686,9 @@ } + +// vim: si et sw=2: -Index: trustedgrub2-2.02~beta2/include/grub/btrfs.h -=================================================================== ---- trustedgrub2-2.02~beta2.orig/include/grub/btrfs.h -+++ trustedgrub2-2.02~beta2/include/grub/btrfs.h -@@ -29,6 +29,7 @@ enum +--- a/include/grub/btrfs.h ++++ b/include/grub/btrfs.h +@@ -29,6 +29,7 @@ GRUB_BTRFS_ITEM_TYPE_ROOT_ITEM = 0x84, GRUB_BTRFS_ITEM_TYPE_ROOT_BACKREF = 0x90, GRUB_BTRFS_ITEM_TYPE_DEVICE = 0xd8,