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