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in_mem: fix overflow when reading in_mem generated msgpack maps #6 #7
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Signed-off-by: Masaya YAMAMOTO <[email protected]>
edsiper
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in_mem: fix overflow when reading in_mem generated msgpack maps #6
thanks for the quick fix. |
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in_health: add explanation of add_host and add_port
fujimotos
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When Fluent Bit encounters with a partial parser definition, it crashes badly with a segmentation fault. $ ./bin/fluent-bit -R parser.conf -c tail.conf ... [2020/01/15 16:11:21] [error] [parser] no parser 'format' found for 'simple' in file 'conf/timestamp.parser' [engine] caught signal (SIGSEGV) #0 0x558bc4a0a226 in flb_parser_decoder_list_destroy() at src/flb_parser_decoder.c:700 fluent#1 0x558bc4a05d75 in flb_parser_conf_file() at src/flb_parser.c:566 fluent#2 0x558bc49f4bdd in flb_config_set_property() at src/flb_config.c:406 fluent#3 0x558bc49e24ae in flb_service_conf() at src/fluent-bit.c:446 fluent#4 0x558bc49e2f90 in main() at src/fluent-bit.c:807 fluent#5 0x7fa1cb7f109a in ???() at ???:0 fluent#6 0x558bc49e13a9 in ???() at ???:0 fluent#7 0xffffffffffffffff in ???() at ???:0 Aborted This is just because `decoders` is not being initialized properly, and that confuses Fluent Bit to deallocate a random memmory block on the cleanup path. Fix it. Signed-off-by: Fujimoto Seiji <[email protected]>
edsiper
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Jan 16, 2020
When Fluent Bit encounters with a partial parser definition, it crashes badly with a segmentation fault. $ ./bin/fluent-bit -R parser.conf -c tail.conf ... [2020/01/15 16:11:21] [error] [parser] no parser 'format' found for 'simple' in file 'conf/timestamp.parser' [engine] caught signal (SIGSEGV) #0 0x558bc4a0a226 in flb_parser_decoder_list_destroy() at src/flb_parser_decoder.c:700 #1 0x558bc4a05d75 in flb_parser_conf_file() at src/flb_parser.c:566 #2 0x558bc49f4bdd in flb_config_set_property() at src/flb_config.c:406 #3 0x558bc49e24ae in flb_service_conf() at src/fluent-bit.c:446 #4 0x558bc49e2f90 in main() at src/fluent-bit.c:807 #5 0x7fa1cb7f109a in ???() at ???:0 #6 0x558bc49e13a9 in ???() at ???:0 #7 0xffffffffffffffff in ???() at ???:0 Aborted This is just because `decoders` is not being initialized properly, and that confuses Fluent Bit to deallocate a random memmory block on the cleanup path. Fix it. Signed-off-by: Fujimoto Seiji <[email protected]>
edsiper
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Jan 17, 2020
When Fluent Bit encounters with a partial parser definition, it crashes badly with a segmentation fault. $ ./bin/fluent-bit -R parser.conf -c tail.conf ... [2020/01/15 16:11:21] [error] [parser] no parser 'format' found for 'simple' in file 'conf/timestamp.parser' [engine] caught signal (SIGSEGV) #0 0x558bc4a0a226 in flb_parser_decoder_list_destroy() at src/flb_parser_decoder.c:700 #1 0x558bc4a05d75 in flb_parser_conf_file() at src/flb_parser.c:566 #2 0x558bc49f4bdd in flb_config_set_property() at src/flb_config.c:406 #3 0x558bc49e24ae in flb_service_conf() at src/fluent-bit.c:446 #4 0x558bc49e2f90 in main() at src/fluent-bit.c:807 #5 0x7fa1cb7f109a in ???() at ???:0 #6 0x558bc49e13a9 in ???() at ???:0 #7 0xffffffffffffffff in ???() at ???:0 Aborted This is just because `decoders` is not being initialized properly, and that confuses Fluent Bit to deallocate a random memmory block on the cleanup path. Fix it. Signed-off-by: Fujimoto Seiji <[email protected]>
edsiper
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Jan 23, 2020
When Fluent Bit encounters with a partial parser definition, it crashes badly with a segmentation fault. $ ./bin/fluent-bit -R parser.conf -c tail.conf ... [2020/01/15 16:11:21] [error] [parser] no parser 'format' found for 'simple' in file 'conf/timestamp.parser' [engine] caught signal (SIGSEGV) #0 0x558bc4a0a226 in flb_parser_decoder_list_destroy() at src/flb_parser_decoder.c:700 #1 0x558bc4a05d75 in flb_parser_conf_file() at src/flb_parser.c:566 #2 0x558bc49f4bdd in flb_config_set_property() at src/flb_config.c:406 #3 0x558bc49e24ae in flb_service_conf() at src/fluent-bit.c:446 #4 0x558bc49e2f90 in main() at src/fluent-bit.c:807 #5 0x7fa1cb7f109a in ???() at ???:0 #6 0x558bc49e13a9 in ???() at ???:0 #7 0xffffffffffffffff in ???() at ???:0 Aborted This is just because `decoders` is not being initialized properly, and that confuses Fluent Bit to deallocate a random memmory block on the cleanup path. Fix it. Signed-off-by: Fujimoto Seiji <[email protected]>
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This was referenced Jun 21, 2022
cosmo0920
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…es strictly Without this check, the following weird error is occurred intermittently: ```log [0] dummy.0: [1664938706.407551000, {"message"=>"dummy"}] [2022/10/05 11:58:27] [ info] [test] flush record flb-rt-core_chunk_trace(32205,0x16fe87000) malloc: *** error for object 0x600002600074: pointer being realloc'd was not allocated flb-rt-core_chunk_trace(32205,0x16fe87000) malloc: *** set a breakpoint in malloc_error_break to debug ``` The main reason is, num_records index is broken in some cases: ``` flb-rt-core_chunk_trace(32205,0x16fe87000) malloc: *** error for object 0x600002600074: pointer being realloc'd was not allocated flb-rt-core_chunk_trace(32205,0x16fe87000) malloc: *** set a breakpoint in malloc_error_break to debug [2022/10/05 11:58:27] [ info] [input] pausing dummy.0 Process 32205 stopped * thread #2, name = 'flb-pipeline', stop reason = breakpoint 1.1 frame #0: 0x00000001b34a3120 libsystem_malloc.dylib`malloc_error_break libsystem_malloc.dylib`malloc_error_break: -> 0x1b34a3120 <+0>: pacibsp 0x1b34a3124 <+4>: stp x29, x30, [sp, #-0x10]! 0x1b34a3128 <+8>: mov x29, sp 0x1b34a312c <+12>: nop Target 0: (flb-rt-core_chunk_trace) stopped. (lldb) bt * thread #2, name = 'flb-pipeline', stop reason = breakpoint 1.1 * frame #0: 0x00000001b34a3120 libsystem_malloc.dylib`malloc_error_break frame #1: 0x00000001b3494844 libsystem_malloc.dylib`malloc_vreport + 428 frame #2: 0x00000001b3497f34 libsystem_malloc.dylib`malloc_report + 64 frame #3: 0x00000001b3488210 libsystem_malloc.dylib`realloc + 328 frame #4: 0x0000000100006154 flb-rt-core_chunk_trace`flb_realloc(ptr=0x0000600002600074, size=18446744064764412176) at flb_mem.h:94:12 frame #5: 0x0000000100005fc8 flb-rt-core_chunk_trace`callback_add_record(data=0x0000600003014000, size=135, cb_data=0x0000600000004010) at core_chunk_trace.c:51:28 frame #6: 0x00000001001268b0 flb-rt-core_chunk_trace`out_lib_flush(event_chunk=0x0000600000c14000, out_flush=0x0000600001714000, i_ins=0x0000000100b09ab0, out_context=0x0000600000204a80, config=0x000000010181d200) at out_lib.c:197:9 frame #7: 0x0000000100029d70 flb-rt-core_chunk_trace`output_pre_cb_flush at flb_output.h:517:5 frame #8: 0x000000010044fa64 flb-rt-core_chunk_trace`co_switch(handle=0x000000010044fa64) at aarch64.c:133:4 (lldb) frane select 5 error: 'frane' is not a valid command. (lldb) frame select 5 frame #5: 0x0000000100005fc8 flb-rt-core_chunk_trace`callback_add_record(data=0x0000600003014000, size=135, cb_data=0x0000600000004010) at core_chunk_trace.c:51:28 48 flb_calloc(1, sizeof(struct callback_record)); 49 } else { 50 ctx->records = (struct callback_record *) -> 51 flb_realloc(ctx->records, 52 (ctx->num_records+1)*sizeof(struct callback_record)); 53 } 54 if (ctx->records == NULL) { (lldb) po ctx->records 0x0000600002600074 (lldb) po ctx->records 0x0000600002600074 (lldb) po ctx->num_records -559071216 ``` Signed-off-by: Hiroshi Hatake <[email protected]>
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zecke
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May 25, 2024
The tls variable for out_flush_params is not initialized as the flb_start function is not called during the dry run. Call flb_init directly and then shutdown the engine. configuration test is successful ================================================================= ==63633==ERROR: AddressSanitizer: attempting free on address which was not malloc()-ed: 0x0001f71b3ac0 in thread T0 #0 0x103c9f260 in wrap_free+0x98 (libclang_rt.asan_osx_dynamic.dylib:arm64e+0x53260) fluent#1 0x100179d9c in flb_free flb_mem.h:127 fluent#2 0x10017f4a0 in flb_output_exit flb_output.c:481 fluent#3 0x1001cb038 in flb_engine_shutdown flb_engine.c:1119 fluent#4 0x10010d45c in flb_destroy flb_lib.c:240 fluent#5 0x100008c40 in flb_main fluent-bit.c:1348 fluent#6 0x10000c644 in main fluent-bit.c:1456 fluent#7 0x18f11e0dc (<unknown module>) frame fluent#6: 0x000000010017f4a4 fluent-bit`flb_output_exit(config=0x0000000102b00200) at flb_output.c:481:9 478 479 params = FLB_TLS_GET(out_flush_params); 480 if (params) { -> 481 flb_free(params); 482 } 483 } Signed-off-by: Holger Hans Peter Freyther <[email protected]>
edsiper
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May 26, 2024
The tls variable for out_flush_params is not initialized as the flb_start function is not called during the dry run. Call flb_init directly and then shutdown the engine. configuration test is successful ================================================================= ==63633==ERROR: AddressSanitizer: attempting free on address which was not malloc()-ed: 0x0001f71b3ac0 in thread T0 #0 0x103c9f260 in wrap_free+0x98 (libclang_rt.asan_osx_dynamic.dylib:arm64e+0x53260) #1 0x100179d9c in flb_free flb_mem.h:127 #2 0x10017f4a0 in flb_output_exit flb_output.c:481 #3 0x1001cb038 in flb_engine_shutdown flb_engine.c:1119 #4 0x10010d45c in flb_destroy flb_lib.c:240 #5 0x100008c40 in flb_main fluent-bit.c:1348 #6 0x10000c644 in main fluent-bit.c:1456 #7 0x18f11e0dc (<unknown module>) frame #6: 0x000000010017f4a4 fluent-bit`flb_output_exit(config=0x0000000102b00200) at flb_output.c:481:9 478 479 params = FLB_TLS_GET(out_flush_params); 480 if (params) { -> 481 flb_free(params); 482 } 483 } Signed-off-by: Holger Hans Peter Freyther <[email protected]>
markuman
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May 29, 2024
The tls variable for out_flush_params is not initialized as the flb_start function is not called during the dry run. Call flb_init directly and then shutdown the engine. configuration test is successful ================================================================= ==63633==ERROR: AddressSanitizer: attempting free on address which was not malloc()-ed: 0x0001f71b3ac0 in thread T0 #0 0x103c9f260 in wrap_free+0x98 (libclang_rt.asan_osx_dynamic.dylib:arm64e+0x53260) fluent#1 0x100179d9c in flb_free flb_mem.h:127 fluent#2 0x10017f4a0 in flb_output_exit flb_output.c:481 fluent#3 0x1001cb038 in flb_engine_shutdown flb_engine.c:1119 fluent#4 0x10010d45c in flb_destroy flb_lib.c:240 fluent#5 0x100008c40 in flb_main fluent-bit.c:1348 fluent#6 0x10000c644 in main fluent-bit.c:1456 fluent#7 0x18f11e0dc (<unknown module>) frame fluent#6: 0x000000010017f4a4 fluent-bit`flb_output_exit(config=0x0000000102b00200) at flb_output.c:481:9 478 479 params = FLB_TLS_GET(out_flush_params); 480 if (params) { -> 481 flb_free(params); 482 } 483 } Signed-off-by: Holger Hans Peter Freyther <[email protected]> Signed-off-by: Markus Bergholz <[email protected]>
nathalapooja
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Oct 16, 2024
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Sorry, cause of issue #6, was missing a set of size of msgpack data at in_mem_flush().
After the fix:
Signed-off-by: Masaya YAMAMOTO <[email protected]>