From: Deepak Gupta <debug@rivosinc.com>
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Subject: [PATCH v2 19/27] riscv/kernel: update __show_regs to print shadow stack register
Date: Thu, 28 Mar 2024 21:44:51 -0700 [thread overview]
Message-ID: <20240329044459.3990638-20-debug@rivosinc.com> (raw)
In-Reply-To: <20240329044459.3990638-1-debug@rivosinc.com>
Updating __show_regs to print captured shadow stack pointer as well.
On tasks where shadow stack is disabled, it'll simply print 0.
Signed-off-by: Deepak Gupta <debug@rivosinc.com>
---
arch/riscv/kernel/process.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/riscv/kernel/process.c b/arch/riscv/kernel/process.c
index 105ceb8880c1..97c812753c9c 100644
--- a/arch/riscv/kernel/process.c
+++ b/arch/riscv/kernel/process.c
@@ -89,8 +89,8 @@ void __show_regs(struct pt_regs *regs)
regs->s8, regs->s9, regs->s10);
pr_cont(" s11: " REG_FMT " t3 : " REG_FMT " t4 : " REG_FMT "\n",
regs->s11, regs->t3, regs->t4);
- pr_cont(" t5 : " REG_FMT " t6 : " REG_FMT "\n",
- regs->t5, regs->t6);
+ pr_cont(" t5 : " REG_FMT " t6 : " REG_FMT " ssp : " REG_FMT "\n",
+ regs->t5, regs->t6, get_active_shstk(current));
pr_cont("status: " REG_FMT " badaddr: " REG_FMT " cause: " REG_FMT "\n",
regs->status, regs->badaddr, regs->cause);
--
2.43.2
next prev parent reply other threads:[~2024-03-29 4:46 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-03-29 4:44 [PATCH v2 00/27] riscv control-flow integrity for usermode Deepak Gupta
2024-03-29 4:44 ` [PATCH v2 01/27] riscv: envcfg save and restore on task switching Deepak Gupta
2024-03-29 4:44 ` [PATCH v2 02/27] riscv: define default value for envcfg Deepak Gupta
2024-03-29 4:44 ` [PATCH v2 03/27] riscv/Kconfig: enable HAVE_EXIT_THREAD for riscv Deepak Gupta
2024-03-29 4:44 ` [PATCH v2 04/27] riscv: zicfiss/zicfilp enumeration Deepak Gupta
2024-03-29 5:08 ` Stefan O'Rear
2024-03-29 5:13 ` Deepak Gupta
2024-03-29 7:24 ` Conor Dooley
2024-03-29 4:44 ` [PATCH v2 05/27] riscv: zicfiss/zicfilp extension csr and bit definitions Deepak Gupta
2024-03-29 4:44 ` [PATCH v2 06/27] riscv: usercfi state for task and save/restore of CSR_SSP on trap entry/exit Deepak Gupta
2024-03-29 4:44 ` [PATCH v2 07/27] mm: Define VM_SHADOW_STACK for RISC-V Deepak Gupta
2024-03-29 4:44 ` [PATCH v2 08/27] mm: abstract shadow stack vma behind `arch_is_shadow_stack` Deepak Gupta
2024-03-29 4:44 ` [PATCH v2 09/27] riscv/mm : ensure PROT_WRITE leads to VM_READ | VM_WRITE Deepak Gupta
2024-03-29 4:44 ` [PATCH v2 10/27] riscv mm: manufacture shadow stack pte Deepak Gupta
2024-03-29 4:44 ` [PATCH v2 11/27] riscv mmu: teach pte_mkwrite to manufacture shadow stack PTEs Deepak Gupta
2024-03-29 5:15 ` Deepak Gupta
2024-03-29 4:44 ` [PATCH v2 12/27] riscv mmu: write protect and shadow stack Deepak Gupta
2024-03-29 4:44 ` [PATCH v2 13/27] riscv/mm: Implement map_shadow_stack() syscall Deepak Gupta
2024-03-29 4:44 ` [PATCH v2 14/27] riscv/shstk: If needed allocate a new shadow stack on clone Deepak Gupta
2024-03-29 4:44 ` [PATCH v2 15/27] prctl: arch-agnostic prctl for shadow stack Deepak Gupta
2024-03-29 4:44 ` [PATCH v2 16/27] prctl: arch-agnostic prtcl for indirect branch tracking Deepak Gupta
2024-03-29 4:44 ` [PATCH v2 17/27] riscv: Implements arch agnostic shadow stack prctls Deepak Gupta
2024-03-29 4:44 ` [PATCH v2 18/27] riscv: Implements arch argnostic indirect branch tracking prctls Deepak Gupta
2024-03-29 4:44 ` Deepak Gupta [this message]
2024-03-29 4:44 ` [PATCH v2 20/27] riscv/traps: Introduce software check exception Deepak Gupta
2024-03-29 4:44 ` [PATCH v2 21/27] riscv sigcontext: adding cfi state field in sigcontext Deepak Gupta
2024-03-29 4:44 ` [PATCH v2 22/27] riscv signal: Save and restore of shadow stack for signal Deepak Gupta
2024-03-29 4:44 ` [PATCH v2 23/27] riscv/ptrace: riscv cfi status and state via ptrace and in core files Deepak Gupta
2024-03-29 4:44 ` [PATCH v2 24/27] riscv: create a config for shadow stack and landing pad instr support Deepak Gupta
2024-03-29 4:44 ` [PATCH v2 25/27] riscv: Documentation for landing pad / indirect branch tracking Deepak Gupta
2024-03-29 4:44 ` [PATCH v2 26/27] riscv: Documentation for shadow stack on riscv Deepak Gupta
2024-03-29 4:44 ` [PATCH v2 27/27] kselftest/riscv: kselftest for user mode cfi Deepak Gupta
2024-03-29 19:50 ` Muhammad Usama Anjum
2024-03-29 20:02 ` Deepak Gupta
2024-04-01 9:46 ` Muhammad Usama Anjum
2024-04-01 17:34 ` Deepak Gupta
2024-04-01 17:55 ` Deepak Gupta
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