hw_breakpoint.c (6fcebf1302b43e7a610d1d2fa89f41e693249aa5) hw_breakpoint.c (fab940755d1d78377901450b6ee7c77356e06821)
1/*
2 * This program is free software; you can redistribute it and/or modify
3 * it under the terms of the GNU General Public License as published by
4 * the Free Software Foundation; either version 2 of the License, or
5 * (at your option) any later version.
6 *
7 * This program is distributed in the hope that it will be useful,
8 * but WITHOUT ANY WARRANTY; without even the implied warranty of

--- 247 unchanged lines hidden (view full) ---

256 break;
257 case HW_BREAKPOINT_X:
258 /*
259 * We don't allow kernel breakpoints in places that are not
260 * acceptable for kprobes. On non-kprobes kernels, we don't
261 * allow kernel breakpoints at all.
262 */
263 if (attr->bp_addr >= TASK_SIZE_MAX) {
1/*
2 * This program is free software; you can redistribute it and/or modify
3 * it under the terms of the GNU General Public License as published by
4 * the Free Software Foundation; either version 2 of the License, or
5 * (at your option) any later version.
6 *
7 * This program is distributed in the hope that it will be useful,
8 * but WITHOUT ANY WARRANTY; without even the implied warranty of

--- 247 unchanged lines hidden (view full) ---

256 break;
257 case HW_BREAKPOINT_X:
258 /*
259 * We don't allow kernel breakpoints in places that are not
260 * acceptable for kprobes. On non-kprobes kernels, we don't
261 * allow kernel breakpoints at all.
262 */
263 if (attr->bp_addr >= TASK_SIZE_MAX) {
264#ifdef CONFIG_KPROBES
265 if (within_kprobe_blacklist(attr->bp_addr))
266 return -EINVAL;
264 if (within_kprobe_blacklist(attr->bp_addr))
265 return -EINVAL;
267#else
268 return -EINVAL;
269#endif
270 }
271
272 hw->type = X86_BREAKPOINT_EXECUTE;
273 /*
274 * x86 inst breakpoints need to have a specific undefined len.
275 * But we still need to check userspace is not trying to setup
276 * an unsupported length, to get a range breakpoint for example.
277 */

--- 275 unchanged lines hidden --- 		266 }
267
268 hw->type = X86_BREAKPOINT_EXECUTE;
269 /*
270 * x86 inst breakpoints need to have a specific undefined len.
271 * But we still need to check userspace is not trying to setup
272 * an unsupported length, to get a range breakpoint for example.
273 */

--- 275 unchanged lines hidden ---