Line data Source code
1 : /* fd_solfuzz.c contains support routines */
2 :
3 : #define _GNU_SOURCE
4 : #include "fd_solfuzz.h"
5 : #include "../fd_bank.h"
6 : #include "../fd_runtime_stack.h"
7 : #include "../fd_runtime.h"
8 : #include <errno.h>
9 : #include <sys/mman.h>
10 : #include "../../../util/shmem/fd_shmem_private.h"
11 :
12 : fd_wksp_t *
13 : fd_wksp_demand_paged_new( char const * name,
14 : uint seed,
15 : ulong part_max,
16 0 : ulong data_max ) {
17 0 : ulong footprint = fd_wksp_footprint( part_max, data_max );
18 0 : if( FD_UNLIKELY( !footprint ) ) {
19 0 : FD_LOG_WARNING(( "invalid workspace params (part_max=%lu data_max=%lu)", part_max, data_max ));
20 0 : return NULL;
21 0 : }
22 :
23 : /* Round up footprint to nearest huge page size */
24 0 : footprint = fd_ulong_align_up( footprint, FD_SHMEM_HUGE_PAGE_SZ );
25 :
26 : /* Acquire anonymous demand-paged memory */
27 0 : void * mem;
28 0 : int map_err = fd_shmem_private_map_rand( footprint, FD_SHMEM_HUGE_PAGE_SZ, FD_SHMEM_JOIN_MODE_READ_WRITE, &mem );
29 0 : if( FD_UNLIKELY( map_err ) ) {
30 0 : FD_LOG_WARNING(( "fd_shmem_private_map_rand() failed (%i-%s)", map_err, fd_io_strerror( map_err ) ));
31 0 : return NULL;
32 0 : }
33 :
34 : /* Indicate to kernel that hugepages are a fine backing store
35 : (Transparent Huge Pages) */
36 0 : if( FD_UNLIKELY( 0!=madvise( mem, footprint, MADV_HUGEPAGE ) ) ) {
37 0 : FD_LOG_WARNING(( "madvise() failed (%i-%s)", errno, fd_io_strerror( errno ) ));
38 0 : munmap( mem, footprint );
39 0 : return NULL;
40 0 : }
41 :
42 : /* Create workspace */
43 0 : fd_wksp_t * wksp = fd_wksp_join( fd_wksp_new( mem, name, seed, part_max, data_max ) );
44 0 : if( FD_UNLIKELY( !wksp ) ) {
45 0 : FD_LOG_WARNING(( "fd_wksp_new() failed (%i-%s)", errno, fd_io_strerror( errno ) ));
46 0 : munmap( mem, footprint );
47 0 : return NULL;
48 0 : }
49 :
50 : /* Register shared memory region */
51 0 : ulong fake_page_cnt = footprint>>FD_SHMEM_HUGE_LG_PAGE_SZ;
52 0 : int join_err = fd_shmem_join_anonymous(
53 0 : name,
54 0 : FD_SHMEM_JOIN_MODE_READ_WRITE,
55 0 : wksp,
56 0 : mem,
57 0 : FD_SHMEM_HUGE_PAGE_SZ,
58 0 : fake_page_cnt
59 0 : );
60 0 : if( FD_UNLIKELY( join_err ) ) {
61 0 : FD_LOG_WARNING(( "fd_shmem_join_anonymous() failed (%i-%s)", join_err, fd_io_strerror( join_err ) ));
62 0 : fd_wksp_delete( fd_wksp_leave( wksp ) );
63 0 : munmap( mem, footprint );
64 0 : return NULL;
65 0 : }
66 :
67 0 : return wksp;
68 0 : }
69 :
70 : void
71 0 : fd_wksp_demand_paged_delete( fd_wksp_t * wksp ) {
72 0 : fd_shmem_leave_anonymous( wksp, NULL );
73 0 : FD_TEST( fd_wksp_delete( fd_wksp_leave( wksp ) ) );
74 0 : }
75 :
76 : fd_solfuzz_runner_t *
77 : fd_solfuzz_runner_new( fd_wksp_t * wksp,
78 : ulong wksp_tag,
79 0 : fd_solfuzz_runner_options_t const * options ) {
80 :
81 : /* Allocate objects */
82 0 : ulong const txn_max = 16UL;
83 0 : ulong const rec_max = 1024UL;
84 0 : ulong const spad_max = 1750000000UL; /* 1.75GB: 128 accounts * ~10MB + 100MB execute_wrapper
85 : out buf + 64MB cmp_binary_strict scratch + headroom */
86 0 : ulong const bank_max = 2UL;
87 0 : ulong const fork_max = 2UL;
88 :
89 0 : ulong const max_accounts = rec_max;
90 0 : ulong const max_live_slots = txn_max;
91 0 : ulong const writes_per_slot = 1024UL;
92 0 : ulong const partition_cnt = 8192UL;
93 0 : ulong const partition_sz = (1UL<<30UL);
94 0 : ulong const cache_footprint = (12UL<<30UL);
95 0 : ulong const cache_min_reserved = fd_accdb_cache_min_reserved( 1 );
96 :
97 0 : ulong accdb_shmem_sz = fd_accdb_shmem_footprint( max_accounts, max_live_slots,
98 0 : writes_per_slot, partition_cnt,
99 0 : cache_footprint, cache_min_reserved, 1UL, 0UL );
100 0 : ulong accdb_join_sz = fd_accdb_footprint( max_live_slots );
101 :
102 0 : fd_solfuzz_runner_t * runner = fd_wksp_alloc_laddr( wksp, alignof(fd_solfuzz_runner_t), sizeof(fd_solfuzz_runner_t), wksp_tag );
103 0 : void * accdb_shmem = fd_wksp_alloc_laddr( wksp, fd_accdb_shmem_align(), accdb_shmem_sz, wksp_tag );
104 0 : void * accdb_join = fd_wksp_alloc_laddr( wksp, fd_accdb_align(), accdb_join_sz, wksp_tag );
105 0 : void * pcache_mem = fd_wksp_alloc_laddr( wksp, fd_progcache_shmem_align(), fd_progcache_shmem_footprint( txn_max, rec_max ), wksp_tag );
106 0 : uchar * scratch = fd_wksp_alloc_laddr( wksp, FD_PROGCACHE_SCRATCH_ALIGN, FD_PROGCACHE_SCRATCH_FOOTPRINT, wksp_tag );
107 0 : void * spad_mem = fd_wksp_alloc_laddr( wksp, fd_spad_align(), fd_spad_footprint( spad_max ), wksp_tag );
108 0 : void * banks_mem = fd_wksp_alloc_laddr( wksp, fd_banks_align(), fd_banks_footprint( bank_max, fork_max, 2048UL, 32768UL, 2048UL ), wksp_tag );
109 0 : if( FD_UNLIKELY( !runner ) ) { FD_LOG_WARNING(( "fd_wksp_alloc(solfuzz_runner) failed" )); goto bail1; }
110 0 : if( FD_UNLIKELY( !accdb_shmem ) ) { FD_LOG_WARNING(( "fd_wksp_alloc(accdb_shmem) failed" )); goto bail1; }
111 0 : if( FD_UNLIKELY( !accdb_join ) ) { FD_LOG_WARNING(( "fd_wksp_alloc(accdb_join) failed" )); goto bail1; }
112 0 : if( FD_UNLIKELY( !pcache_mem ) ) { FD_LOG_WARNING(( "fd_wksp_alloc(pcache) failed" )); goto bail1; }
113 0 : if( FD_UNLIKELY( !scratch ) ) { FD_LOG_WARNING(( "fd_wksp_alloc(scratch) failed" )); goto bail1; }
114 0 : if( FD_UNLIKELY( !spad_mem ) ) { FD_LOG_WARNING(( "fd_wksp_alloc(spad) failed (spad_max=%g)", (double)spad_max )); goto bail1; }
115 0 : if( FD_UNLIKELY( !banks_mem ) ) { FD_LOG_WARNING(( "fd_wksp_alloc(banks) failed (bank_max=%lu fork_max=%lu)", bank_max, fork_max )); goto bail1; }
116 :
117 : /* Create objects */
118 0 : fd_memset( runner, 0, sizeof(fd_solfuzz_runner_t) );
119 0 : runner->wksp = wksp;
120 0 : runner->wksp_tag = wksp_tag;
121 :
122 : /* Create accdb backed by memfd */
123 0 : int accdb_fd = memfd_create( "accdb_fuzz", 0 );
124 0 : if( FD_UNLIKELY( accdb_fd<0 ) ) { FD_LOG_WARNING(( "memfd_create failed (%i-%s)", errno, fd_io_strerror( errno ) )); goto bail1; }
125 :
126 0 : fd_accdb_shmem_t * shmem = fd_accdb_shmem_join(
127 0 : fd_accdb_shmem_new( accdb_shmem, max_accounts, max_live_slots,
128 0 : writes_per_slot, partition_cnt,
129 0 : partition_sz, cache_footprint, cache_min_reserved, 1, 42UL, 1UL, 0UL ) );
130 0 : if( FD_UNLIKELY( !shmem ) ) goto bail1;
131 0 : fd_accdb_t * accdb = fd_accdb_join( fd_accdb_new( accdb_join, shmem, accdb_fd, 0UL, NULL ) );
132 0 : if( FD_UNLIKELY( !accdb ) ) goto bail1;
133 0 : runner->accdb = accdb;
134 :
135 : /* Create root fork (sentinel parent) */
136 0 : runner->root_fork_id = fd_accdb_attach_child( accdb, (fd_accdb_fork_id_t){ .val=USHORT_MAX } );
137 :
138 0 : void * shpcache = fd_progcache_shmem_new( pcache_mem, wksp_tag, 1UL, txn_max, rec_max );
139 0 : if( FD_UNLIKELY( !shpcache ) ) goto bail2;
140 0 : if( FD_UNLIKELY( !fd_progcache_join( runner->progcache, pcache_mem, scratch, FD_PROGCACHE_SCRATCH_FOOTPRINT ) ) ) goto bail2;
141 :
142 0 : runner->runtime = fd_wksp_alloc_laddr( wksp, alignof(fd_runtime_t), sizeof(fd_runtime_t), wksp_tag );
143 0 : if( FD_UNLIKELY( !runner->runtime ) ) goto bail2;
144 0 : runner->runtime->accounts.executable_cnt = 0UL;
145 0 : runner->runtime->accounts.account_cnt = 0UL;
146 0 : runner->runtime_stack = fd_wksp_alloc_laddr( wksp, fd_runtime_stack_align(), fd_runtime_stack_footprint( 2048UL, 2048UL, 2048UL ), wksp_tag );
147 0 : if( FD_UNLIKELY( !runner->runtime_stack ) ) goto bail2;
148 0 : if( FD_UNLIKELY( !fd_runtime_stack_join( fd_runtime_stack_new( runner->runtime_stack, 2048UL, 2048UL, 2048UL, 999UL ) ) ) ) goto bail2;
149 :
150 0 : runner->spad = fd_spad_join( fd_spad_new( spad_mem, spad_max ) );
151 0 : if( FD_UNLIKELY( !runner->spad ) ) goto bail2;
152 : /* Use 2048 for max_vote_accounts to match fd_banks_footprint above (avoids buffer overrun) */
153 0 : runner->banks = fd_banks_join( fd_banks_new( banks_mem, bank_max, fork_max, 2048UL, 32768UL, 2048UL, 0, 8888UL ) );
154 0 : if( FD_UNLIKELY( !runner->banks ) ) goto bail2;
155 :
156 : /* Runtime block execution requires every non-genesis bank to have a
157 : parent. Keep the root bank as that parent and run harnesses against
158 : its child. */
159 0 : fd_bank_t * root_bank = fd_banks_init_bank( runner->banks );
160 0 : if( FD_UNLIKELY( !root_bank ) ) goto bail2;
161 0 : runner->bank = fd_banks_new_bank( runner->banks, root_bank->idx, 0L, 0 );
162 0 : if( FD_UNLIKELY( !runner->bank ) ) goto bail2;
163 0 : runner->bank = fd_banks_clone_from_parent( runner->banks, runner->bank->idx );
164 0 : if( FD_UNLIKELY( !runner->bank ) ) goto bail2;
165 0 : runner->bank->f.slot = 0UL;
166 :
167 0 : runner->enable_vm_tracing = options->enable_vm_tracing;
168 0 : FD_TEST( runner->progcache->join->shmem );
169 :
170 0 : ulong tags[1] = { wksp_tag };
171 0 : fd_wksp_usage_t usage[1];
172 0 : fd_wksp_usage( wksp, tags, 1UL, usage );
173 0 : runner->wksp_baseline_used_sz = usage->used_sz;
174 :
175 0 : return runner;
176 :
177 0 : bail2:
178 0 : if( runner->spad ) fd_spad_delete( fd_spad_leave( runner->spad ) );
179 0 : if( shpcache ) fd_progcache_shmem_delete( shpcache );
180 0 : bail1:
181 0 : fd_wksp_free_laddr( scratch );
182 0 : fd_wksp_free_laddr( pcache_mem );
183 0 : fd_wksp_free_laddr( accdb_join );
184 0 : fd_wksp_free_laddr( accdb_shmem );
185 0 : fd_wksp_free_laddr( spad_mem );
186 0 : fd_wksp_free_laddr( banks_mem );
187 0 : fd_wksp_free_laddr( runner );
188 0 : FD_LOG_WARNING(( "fd_solfuzz_runner_new failed" ));
189 0 : return NULL;
190 0 : }
191 :
192 : void
193 0 : fd_solfuzz_runner_delete( fd_solfuzz_runner_t * runner ) {
194 :
195 : /* accdb cleanup is handled by the memfd close */
196 : /* TODO: proper accdb teardown if needed */
197 :
198 0 : fd_progcache_shmem_t * shpcache = NULL;
199 0 : fd_progcache_leave( runner->progcache, &shpcache );
200 :
201 0 : fd_wksp_free_laddr( fd_progcache_shmem_delete( shpcache ) );
202 0 : fd_wksp_free_laddr( fd_spad_delete( fd_spad_leave( runner->spad ) ) );
203 0 : fd_wksp_free_laddr( runner->banks );
204 0 : fd_wksp_free_laddr( runner );
205 0 : }
206 :
207 : void
208 0 : fd_solfuzz_runner_leak_check( fd_solfuzz_runner_t * runner ) {
209 0 : if( FD_UNLIKELY( fd_spad_frame_used( runner->spad ) ) ) {
210 0 : FD_LOG_CRIT(( "leaked spad frame" ));
211 0 : }
212 :
213 0 : if( FD_UNLIKELY( runner->progcache->join->shmem->txn.child_head_idx != UINT_MAX ) ) {
214 0 : FD_LOG_CRIT(( "leaked a txn in progcache" ));
215 0 : }
216 :
217 0 : ulong tags[1] = { runner->wksp_tag };
218 0 : fd_wksp_usage_t usage[1];
219 0 : fd_wksp_usage( runner->wksp, tags, 1UL, usage );
220 0 : if( FD_UNLIKELY( usage->used_sz != runner->wksp_baseline_used_sz ) ) {
221 0 : FD_LOG_CRIT(( "leaked wksp allocations: %lu bytes with tag %lu (baseline %lu bytes, delta %+ld)",
222 0 : usage->used_sz, runner->wksp_tag,
223 0 : runner->wksp_baseline_used_sz,
224 0 : (long)usage->used_sz - (long)runner->wksp_baseline_used_sz ));
225 0 : }
226 0 : }
|
