On 13.09.23 16:24, Kirill A. Shutemov wrote: > On Mon, Sep 11, 2023 at 05:57:07PM +0300, Kirill A. Shutemov wrote: >> On Mon, Sep 11, 2023 at 10:56:36PM +0800, Dave Young wrote: >>>> early console in extract_kernel >>>> input_data: 0x000000807eb433a8 >>>> input_len: 0x0000000000d26271 >>>> output: 0x000000807b000000 >>>> output_len: 0x0000000004800c10 >>>> kernel_total_size: 0x0000000003e28000 >>>> needed_size: 0x0000000004a00000 >>>> trampoline_32bit: 0x000000000009d000 >>>> >>>> Decompressing Linux... out of pgt_buf in arch/x86/boot/compressed/ident_map_64.c!? >>>> pages->pgt_buf_offset: 0x0000000000006000 >>>> pages->pgt_buf_size: 0x0000000000006000 >>>> >>>> Error: kernel_ident_mapping_init() failed > [...] >> The problem is not limited to unaccepted memory, it also triggers if we >> reach efi_get_rsdp_addr() in the same setup. >> >> I think we have several problems here. > [...] >> Any comments? > > I struggle to come up with anything better than increasing the constant to > a value that "ought to be enough for anybody" ©, let's say 128K. > > And we can eliminate logic on no-KASLR vs. KASLR vs. KASLR+VERBOSE_BOOTUP. > > Objections? Apparently not, as there was no reply since then (which is why I show up here, as it looked like fixing this regression stalled). Ciao, Thorsten (wearing his 'the Linux kernel's regression tracker' hat) -- Everything you wanna know about Linux kernel regression tracking: https://linux-regtracking.leemhuis.info/about/#tldr If I did something stupid, please tell me, as explained on that page. #regzbot poke _______________________________________________ kexec mailing list kexec@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/kexec
