grsec: Apply grsecurity-3.1-4.9.24-201704220732.patch

commit d57f26c39ebc08fd5e598b05d47f97cb5f3143ee Author: Brad Spengler <[email protected]> Date: Sat Apr 22 07:04:00 2017 -0400 Remove empty line from disable.data commit ebfb4e5857a7f38b8128e139eefc62c34f2cf67d Author: Brad Spengler <[email protected]> Date: Sat Apr 22 06:55:35 2017 -0400 fixed a regression in the 4.9 port of refcount error reporting that would cause unexpected code execution upon refcount errors, reported by Jann Horn <[email protected]> commit b87a02881f1bfd4c48466c0f00fec2ca676ae8d7 Author: Brad Spengler <[email protected]> Date: Fri Apr 21 19:21:56 2017 -0400 Fix size_overflow report from alaviss: https://forums.grsecurity.net/viewtopic.php?f=3&t=4694&p=17072#p17072 Signature-tree: 6590e141da7fa1bcd03e994d776aafa66268fe21
linux-scraping · Apr 22, 2017 · 2821b0b · 2821b0b
1 parent 89caeba
commit 2821b0b
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Showing 3 changed files with 1 addition and 2 deletions.
diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c
@@ -210,7 +210,6 @@ do_trap_no_signal(struct task_struct *tsk, int trapnr, const char *str,
 
 #ifdef CONFIG_PAX_REFCOUNT
  if (trapnr == X86_REFCOUNT_VECTOR) {
- regs->ip -= 2; // sizeof int $xx
  pax_report_refcount_error(regs, str);
  }
 #endif

diff --git a/scripts/gcc-plugins/size_overflow_plugin/disable.data b/scripts/gcc-plugins/size_overflow_plugin/disable.data
@@ -12470,3 +12470,4 @@ btrfs_get_token_32_fndecl_7192_fns btrfs_get_token_32 fndecl 0 7192 NULL
 btrfs_get_token_16_fndecl_46639_fns btrfs_get_token_16 fndecl 0 46639 NULL
 btrfs_get_token_64_fndecl_54223_fns btrfs_get_token_64 fndecl 0 54223 NULL
 qdisc_tree_reduce_backlog_fndecl_3865_fields qdisc_tree_reduce_backlog fndecl 2 3865 NULL
+user_buffer_offset_binder_proc_17508_fields user_buffer_offset binder_proc 0 17508 NULL
diff --git a/scripts/gcc-plugins/size_overflow_plugin/e_fields.data b/scripts/gcc-plugins/size_overflow_plugin/e_fields.data
@@ -4355,7 +4355,6 @@ e_block_mb_cache_entry_17485_fields e_block mb_cache_entry 0 17485 NULL
 len_tmc_drvdata_17487_fields len tmc_drvdata 0 17487 NULL
 mlx4_ib_reg_user_mr_fndecl_17492_fields mlx4_ib_reg_user_mr fndecl 3-2 17492 NULL
 qp_memcpy_from_queue_fndecl_17500_fields qp_memcpy_from_queue fndecl 5-4 17500 NULL
-user_buffer_offset_binder_proc_17508_fields user_buffer_offset binder_proc 0 17508 NULL
 invalidate_fndecl_17509_fields invalidate fndecl 4-3 17509 NULL
 brcmf_fil_iovar_data_set_fndecl_17512_fields brcmf_fil_iovar_data_set fndecl 4 17512 NULL
 npages_free_dma_pool_17513_fields npages_free dma_pool 0 17513 NULL nohasharray