Line data Source code
1 : /* THIS FILE WAS GENERATED BY generate_filters.py. DO NOT EDIT BY HAND! */
2 : #ifndef HEADER_fd_src_discof_restore_generated_fd_snapld_tile_seccomp_h
3 : #define HEADER_fd_src_discof_restore_generated_fd_snapld_tile_seccomp_h
4 :
5 : #if defined(__linux__)
6 :
7 : #include "../../../../src/util/fd_util_base.h"
8 : #include <linux/audit.h>
9 : #include <linux/capability.h>
10 : #include <linux/filter.h>
11 : #include <linux/seccomp.h>
12 : #include <linux/bpf.h>
13 : #include <linux/unistd.h>
14 : #include <sys/syscall.h>
15 : #include <signal.h>
16 : #include <stddef.h>
17 :
18 : #if defined(__i386__)
19 : # define ARCH_NR AUDIT_ARCH_I386
20 : #elif defined(__x86_64__)
21 : # define ARCH_NR AUDIT_ARCH_X86_64
22 : #elif defined(__aarch64__)
23 : # define ARCH_NR AUDIT_ARCH_AARCH64
24 : #elif defined(__riscv) && __riscv_xlen == 64
25 : # define ARCH_NR AUDIT_ARCH_RISCV64
26 : #else
27 : # error "Target architecture is unsupported by seccomp."
28 : #endif
29 :
30 : #define FD_SECCOMP_ARG_LO_OFFSET(argno) ( offsetof( struct seccomp_data, args[(argno)] ) )
31 : #define FD_SECCOMP_ARG_HI_OFFSET(argno) ( offsetof( struct seccomp_data, args[(argno)] ) + 4U )
32 :
33 : #define FD_SECCOMP_ARG_LO(x) ((uint)(((ulong)(uint)(int)(x) ) & 0xffffffffUL))
34 : #define FD_SECCOMP_ARG_HI(x) ((uint)(((ulong)(x) >> 32) & 0xffffffffUL))
35 :
36 : static const uint sock_filter_policy_fd_snapld_tile_instr_cnt = 137;
37 :
38 0 : static void populate_sock_filter_policy_fd_snapld_tile( ulong out_cnt, struct sock_filter out[ static 137 ], uint logfile_fd, uint in_full_fd, uint in_incr_fd, uint sockfd, uint epoll_inner_fd, uint epoll_outer_fd ) {
39 0 : FD_TEST( out_cnt >= 137 );
40 0 : struct sock_filter filter[137] = {
41 : /* validate architecture */
42 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, ( offsetof( struct seccomp_data, arch ) )),
43 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, ARCH_NR, 0, /* RET_KILL_PROCESS */ 19 ),
44 : /* load syscall number */
45 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, ( offsetof( struct seccomp_data, nr ) )),
46 : /* check write */
47 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, SYS_write, /* check_write */ 19, 0 ),
48 : /* check fsync */
49 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, SYS_fsync, /* check_fsync */ 24, 0 ),
50 : /* check read */
51 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, SYS_read, /* check_read */ 27, 0 ),
52 : /* check readv */
53 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, SYS_readv, /* check_readv */ 34, 0 ),
54 : /* check lseek */
55 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, SYS_lseek, /* check_lseek */ 41, 0 ),
56 : /* check socket */
57 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, SYS_socket, /* check_socket */ 52, 0 ),
58 : /* check setsockopt */
59 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, SYS_setsockopt, /* check_setsockopt */ 59, 0 ),
60 : /* check connect */
61 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, SYS_connect, /* check_connect */ 64, 0 ),
62 : /* check close */
63 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, SYS_close, /* check_close */ 73, 0 ),
64 : /* check sendto */
65 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, SYS_sendto, /* check_sendto */ 82, 0 ),
66 : /* check recvfrom */
67 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, SYS_recvfrom, /* check_recvfrom */ 91, 0 ),
68 : /* check ppoll */
69 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, SYS_ppoll, /* check_ppoll */ 100, 0 ),
70 : /* allow clock_nanosleep */
71 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, SYS_clock_nanosleep, /* RET_ALLOW */ 6, 0 ),
72 : /* allow getrandom */
73 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, SYS_getrandom, /* RET_ALLOW */ 5, 0 ),
74 : /* check exit */
75 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, SYS_exit, /* check_exit */ 101, 0 ),
76 : /* check epoll_ctl */
77 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, SYS_epoll_ctl, /* check_epoll_ctl */ 104, 0 ),
78 : /* check futex */
79 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, SYS_futex, /* check_futex */ 111, 0 ),
80 : /* allow restart_syscall */
81 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, SYS_restart_syscall, /* RET_ALLOW */ 1, 0 ),
82 : // RET_KILL_PROCESS:
83 : /* default deny */
84 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_KILL_PROCESS ),
85 : // RET_ALLOW:
86 : /* allow */
87 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_ALLOW ),
88 : // check_write:
89 : /* arg 0 low 32 bits */
90 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(0)),
91 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, 0x00000002U, /* write_ALLOW */ 3, /* or_1 */ 0 ),
92 : // or_1:
93 : /* arg 0 low 32 bits */
94 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(0)),
95 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, ((uint)(logfile_fd)), /* write_ALLOW */ 1, /* write_KILL */ 0 ),
96 : // write_KILL:
97 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_KILL_PROCESS ),
98 : // write_ALLOW:
99 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_ALLOW ),
100 : // check_fsync:
101 : /* arg 0 low 32 bits */
102 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(0)),
103 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, ((uint)(logfile_fd)), /* fsync_ALLOW */ 1, /* fsync_KILL */ 0 ),
104 : // fsync_KILL:
105 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_KILL_PROCESS ),
106 : // fsync_ALLOW:
107 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_ALLOW ),
108 : // check_read:
109 : /* arg 0 low 32 bits */
110 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(0)),
111 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, ((uint)(in_full_fd)), /* read_ALLOW */ 5, /* or_2 */ 0 ),
112 : // or_2:
113 : /* arg 0 low 32 bits */
114 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(0)),
115 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, ((uint)(in_incr_fd)), /* read_ALLOW */ 3, /* or_3 */ 0 ),
116 : // or_3:
117 : /* arg 0 low 32 bits */
118 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(0)),
119 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, ((uint)(sockfd)), /* read_ALLOW */ 1, /* read_KILL */ 0 ),
120 : // read_KILL:
121 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_KILL_PROCESS ),
122 : // read_ALLOW:
123 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_ALLOW ),
124 : // check_readv:
125 : /* arg 0 low 32 bits */
126 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(0)),
127 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, ((uint)(in_full_fd)), /* readv_ALLOW */ 5, /* or_4 */ 0 ),
128 : // or_4:
129 : /* arg 0 low 32 bits */
130 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(0)),
131 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, ((uint)(in_incr_fd)), /* readv_ALLOW */ 3, /* or_5 */ 0 ),
132 : // or_5:
133 : /* arg 0 low 32 bits */
134 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(0)),
135 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, ((uint)(sockfd)), /* readv_ALLOW */ 1, /* readv_KILL */ 0 ),
136 : // readv_KILL:
137 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_KILL_PROCESS ),
138 : // readv_ALLOW:
139 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_ALLOW ),
140 : // check_lseek:
141 : /* arg 0 low 32 bits */
142 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(0)),
143 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, ((uint)(in_full_fd)), /* and_6 */ 2, /* or_7 */ 0 ),
144 : // or_7:
145 : /* arg 0 low 32 bits */
146 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(0)),
147 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, ((uint)(in_incr_fd)), /* and_6 */ 0, /* lseek_KILL */ 6 ),
148 : // and_6:
149 : /* arg 1 high 32 bits */
150 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_HI_OFFSET(1)),
151 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, 0x00000000U, /* arg_hi_eq_9 */ 0, /* lseek_KILL */ 4 ),
152 : // arg_hi_eq_9:
153 : /* arg 1 low 32 bits */
154 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(1)),
155 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, 0x00000000U, /* and_8 */ 0, /* lseek_KILL */ 2 ),
156 : // and_8:
157 : /* arg 2 low 32 bits */
158 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(2)),
159 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, FD_SECCOMP_ARG_LO(SEEK_SET), /* lseek_ALLOW */ 1, /* lseek_KILL */ 0 ),
160 : // lseek_KILL:
161 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_KILL_PROCESS ),
162 : // lseek_ALLOW:
163 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_ALLOW ),
164 : // check_socket:
165 : /* arg 0 low 32 bits */
166 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(0)),
167 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, FD_SECCOMP_ARG_LO(AF_INET), /* and_10 */ 0, /* socket_KILL */ 4 ),
168 : // and_10:
169 : /* arg 1 low 32 bits */
170 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(1)),
171 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, FD_SECCOMP_ARG_LO(SOCK_STREAM|SOCK_NONBLOCK), /* and_11 */ 0, /* socket_KILL */ 2 ),
172 : // and_11:
173 : /* arg 2 low 32 bits */
174 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(2)),
175 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, 0x00000000U, /* socket_ALLOW */ 1, /* socket_KILL */ 0 ),
176 : // socket_KILL:
177 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_KILL_PROCESS ),
178 : // socket_ALLOW:
179 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_ALLOW ),
180 : // check_setsockopt:
181 : /* arg 1 low 32 bits */
182 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(1)),
183 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, FD_SECCOMP_ARG_LO(SOL_SOCKET), /* and_12 */ 0, /* setsockopt_KILL */ 2 ),
184 : // and_12:
185 : /* arg 2 low 32 bits */
186 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(2)),
187 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, FD_SECCOMP_ARG_LO(SO_RCVBUF), /* setsockopt_ALLOW */ 1, /* setsockopt_KILL */ 0 ),
188 : // setsockopt_KILL:
189 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_KILL_PROCESS ),
190 : // setsockopt_ALLOW:
191 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_ALLOW ),
192 : // check_connect:
193 : /* arg 0 low 32 bits */
194 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(0)),
195 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, 0x00000002U, /* connect_KILL */ 6, /* or_13 */ 0 ),
196 : // or_13:
197 : /* arg 0 low 32 bits */
198 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(0)),
199 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, ((uint)(logfile_fd)), /* connect_KILL */ 4, /* or_14 */ 0 ),
200 : // or_14:
201 : /* arg 0 low 32 bits */
202 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(0)),
203 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, ((uint)(in_full_fd)), /* connect_KILL */ 2, /* or_15 */ 0 ),
204 : // or_15:
205 : /* arg 0 low 32 bits */
206 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(0)),
207 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, ((uint)(in_incr_fd)), /* connect_KILL */ 0, /* connect_ALLOW */ 1 ),
208 : // connect_KILL:
209 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_KILL_PROCESS ),
210 : // connect_ALLOW:
211 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_ALLOW ),
212 : // check_close:
213 : /* arg 0 low 32 bits */
214 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(0)),
215 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, 0x00000002U, /* close_KILL */ 6, /* or_16 */ 0 ),
216 : // or_16:
217 : /* arg 0 low 32 bits */
218 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(0)),
219 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, ((uint)(logfile_fd)), /* close_KILL */ 4, /* or_17 */ 0 ),
220 : // or_17:
221 : /* arg 0 low 32 bits */
222 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(0)),
223 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, ((uint)(in_full_fd)), /* close_KILL */ 2, /* or_18 */ 0 ),
224 : // or_18:
225 : /* arg 0 low 32 bits */
226 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(0)),
227 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, ((uint)(in_incr_fd)), /* close_KILL */ 0, /* close_ALLOW */ 1 ),
228 : // close_KILL:
229 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_KILL_PROCESS ),
230 : // close_ALLOW:
231 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_ALLOW ),
232 : // check_sendto:
233 : /* arg 0 low 32 bits */
234 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(0)),
235 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, 0x00000002U, /* sendto_KILL */ 6, /* or_19 */ 0 ),
236 : // or_19:
237 : /* arg 0 low 32 bits */
238 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(0)),
239 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, ((uint)(logfile_fd)), /* sendto_KILL */ 4, /* or_20 */ 0 ),
240 : // or_20:
241 : /* arg 0 low 32 bits */
242 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(0)),
243 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, ((uint)(in_full_fd)), /* sendto_KILL */ 2, /* or_21 */ 0 ),
244 : // or_21:
245 : /* arg 0 low 32 bits */
246 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(0)),
247 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, ((uint)(in_incr_fd)), /* sendto_KILL */ 0, /* sendto_ALLOW */ 1 ),
248 : // sendto_KILL:
249 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_KILL_PROCESS ),
250 : // sendto_ALLOW:
251 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_ALLOW ),
252 : // check_recvfrom:
253 : /* arg 0 low 32 bits */
254 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(0)),
255 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, 0x00000002U, /* recvfrom_KILL */ 6, /* or_22 */ 0 ),
256 : // or_22:
257 : /* arg 0 low 32 bits */
258 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(0)),
259 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, ((uint)(logfile_fd)), /* recvfrom_KILL */ 4, /* or_23 */ 0 ),
260 : // or_23:
261 : /* arg 0 low 32 bits */
262 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(0)),
263 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, ((uint)(in_full_fd)), /* recvfrom_KILL */ 2, /* or_24 */ 0 ),
264 : // or_24:
265 : /* arg 0 low 32 bits */
266 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(0)),
267 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, ((uint)(in_incr_fd)), /* recvfrom_KILL */ 0, /* recvfrom_ALLOW */ 1 ),
268 : // recvfrom_KILL:
269 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_KILL_PROCESS ),
270 : // recvfrom_ALLOW:
271 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_ALLOW ),
272 : // check_ppoll:
273 : /* arg 1 low 32 bits */
274 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(1)),
275 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, 0x00000001U, /* ppoll_ALLOW */ 1, /* ppoll_KILL */ 0 ),
276 : // ppoll_KILL:
277 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_KILL_PROCESS ),
278 : // ppoll_ALLOW:
279 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_ALLOW ),
280 : // check_exit:
281 : /* arg 0 low 32 bits */
282 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(0)),
283 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, 0x00000000U, /* exit_ALLOW */ 1, /* exit_KILL */ 0 ),
284 : // exit_KILL:
285 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_KILL_PROCESS ),
286 : // exit_ALLOW:
287 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_ALLOW ),
288 : // check_epoll_ctl:
289 : /* arg 0 low 32 bits */
290 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(0)),
291 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, ((uint)(epoll_inner_fd)), /* epoll_ctl_ALLOW */ 5, /* or_25 */ 0 ),
292 : // or_25:
293 : /* arg 0 low 32 bits */
294 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(0)),
295 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, ((uint)(epoll_outer_fd)), /* and_26 */ 0, /* epoll_ctl_KILL */ 2 ),
296 : // and_26:
297 : /* arg 2 low 32 bits */
298 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(2)),
299 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, ((uint)(epoll_inner_fd)), /* epoll_ctl_ALLOW */ 1, /* epoll_ctl_KILL */ 0 ),
300 : // epoll_ctl_KILL:
301 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_KILL_PROCESS ),
302 : // epoll_ctl_ALLOW:
303 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_ALLOW ),
304 : // check_futex:
305 : /* arg 1 low 32 bits */
306 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(1)),
307 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, FD_SECCOMP_ARG_LO(FUTEX_WAIT_BITSET), /* and_27 */ 0, /* futex_KILL */ 2 ),
308 : // and_27:
309 : /* arg 2 low 32 bits */
310 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(2)),
311 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, 0x00000000U, /* futex_ALLOW */ 1, /* futex_KILL */ 0 ),
312 : // futex_KILL:
313 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_KILL_PROCESS ),
314 : // futex_ALLOW:
315 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_ALLOW ),
316 0 : };
317 0 : fd_memcpy( out, filter, sizeof( filter ) );
318 0 : }
319 :
320 : #endif /* defined(__linux__) */
321 :
322 : #endif /* HEADER_fd_src_discof_restore_generated_fd_snapld_tile_seccomp_h */
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