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2023-12-08 01573e231f18eb2d99162747186f59511f56b64d

 kernel/arch/x86/kernel/uprobes.c
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@@ -1,19 +1,6 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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  * User-space Probes (UProbes) for x86
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License as published by
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- * the Free Software Foundation; either version 2 of the License, or
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- * (at your option) any later version.
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- *
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- * This program is distributed in the hope that it will be useful,
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- * but WITHOUT ANY WARRANTY; without even the implied warranty of
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- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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- * GNU General Public License for more details.
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- *
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- * You should have received a copy of the GNU General Public License
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- * along with this program; if not, write to the Free Software
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- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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  *
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  * Copyright (C) IBM Corporation, 2008-2011
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  * Authors:
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@@ -750,6 +737,7 @@
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 		 * OPCODE1() of the "short" jmp which checks the same condition.
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 		 */
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 		opc1 = OPCODE2(insn) - 0x10;
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+		fallthrough;
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 	default:
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 		if (!is_cond_jmp_opcode(opc1))
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 			return -ENOSYS;
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@@ -856,8 +844,8 @@
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 /**
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  * arch_uprobe_analyze_insn - instruction analysis including validity and fixups.
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+ * @auprobe: the probepoint information.
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  * @mm: the probed address space.
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- * @arch_uprobe: the probepoint information.
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  * @addr: virtual address at which to install the probepoint
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  * Return 0 on success or a -ve number on error.
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  */
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@@ -906,7 +894,7 @@
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 			fix_ip_or_call = 0;
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 			break;
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 		}
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-		/* fall through */
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+		fallthrough;
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 	default:
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 		riprel_analyze(auprobe, &insn);
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 	}
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@@ -1091,7 +1079,7 @@
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 		pr_err("return address clobbered: pid=%d, %%sp=%#lx, %%ip=%#lx\n",
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 		       current->pid, regs->sp, regs->ip);
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-		force_sig(SIGSEGV, current);
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+		force_sig(SIGSEGV);
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 	}
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 	return -1;