pyln: remove unused variable #2
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Variable inroduced in 708fb17 is making CI fail.
rustyrussell
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Jun 5, 2023
The function is tiny and was only used in one location. And that one
location was leaking memory.
Detected by ASan:
==2637667==ERROR: LeakSanitizer: detected memory leaks
Direct leak of 7 byte(s) in 1 object(s) allocated from:
#0 0x4cd758 in __interceptor_strdup
#1 0x64c70c in json_stream_log_suppress_for_cmd lightning/lightningd/jsonrpc.c:597:31
#2 0x68a630 in json_getlog lightning/lightningd/log.c:974:2
...
SUMMARY: AddressSanitizer: 7 byte(s) leaked in 1 allocation(s).
rustyrussell
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Jun 5, 2023
It is possible for db_column_bytes() to return 0 and for db_column_blob() to return NULL even when db_column_is_null() returns false. We need to short circuit in this case. Detected by UBSan: db/bindings.c:479:12: runtime error: null pointer passed as argument 2, which is declared to never be null /usr/include/string.h:44:28: note: nonnull attribute specified here #0 0x95f117 in db_col_arr_ db/bindings.c:479:2 #1 0x95ef85 in db_col_channel_type db/bindings.c:459:32 #2 0x852c03 in wallet_stmt2channel wallet/wallet.c:1483:9 #3 0x81f396 in wallet_channels_load_active wallet/wallet.c:1749:23 #4 0x81f03d in wallet_init_channels wallet/wallet.c:1765:9 ElementsProject#5 0x72f1f9 in load_channels_from_wallet lightningd/peer_control.c:2257:7 ElementsProject#6 0x672856 in main lightningd/lightningd.c:1121:25
rustyrussell
pushed a commit
that referenced
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Jun 5, 2023
Fixes nullability errors detected by UBSan:
wire/fromwire.c:173:46: runtime error: null pointer passed as argument 1, which is declared to never be null
external/libwally-core/src/secp256k1/include/secp256k1.h:432:3: note: nonnull attribute specified here
#0 0x65214a in fromwire_secp256k1_ecdsa_signature wire/fromwire.c:173:6
#1 0x659500 in printwire_secp256k1_ecdsa_signature devtools/print_wire.c:331:1
#2 0x646ba2 in printwire_channel_update wire/peer_printgen.c:1900:7
#3 0x637182 in printpeer_wire_message wire/peer_printgen.c:128:11
#4 0x65a097 in main devtools/decodemsg.c:85:10
morehouse
added a commit
that referenced
this pull request
Jun 5, 2023
The function is tiny and was only used in one location. And that one
location was leaking memory.
Detected by ASan:
==2637667==ERROR: LeakSanitizer: detected memory leaks
Direct leak of 7 byte(s) in 1 object(s) allocated from:
#0 0x4cd758 in __interceptor_strdup
#1 0x64c70c in json_stream_log_suppress_for_cmd lightning/lightningd/jsonrpc.c:597:31
#2 0x68a630 in json_getlog lightning/lightningd/log.c:974:2
...
SUMMARY: AddressSanitizer: 7 byte(s) leaked in 1 allocation(s).
morehouse
added a commit
that referenced
this pull request
Jun 5, 2023
It is possible for db_column_bytes() to return 0 and for db_column_blob() to return NULL even when db_column_is_null() returns false. We need to short circuit in this case. Detected by UBSan: db/bindings.c:479:12: runtime error: null pointer passed as argument 2, which is declared to never be null /usr/include/string.h:44:28: note: nonnull attribute specified here #0 0x95f117 in db_col_arr_ db/bindings.c:479:2 #1 0x95ef85 in db_col_channel_type db/bindings.c:459:32 #2 0x852c03 in wallet_stmt2channel wallet/wallet.c:1483:9 #3 0x81f396 in wallet_channels_load_active wallet/wallet.c:1749:23 #4 0x81f03d in wallet_init_channels wallet/wallet.c:1765:9 ElementsProject#5 0x72f1f9 in load_channels_from_wallet lightningd/peer_control.c:2257:7 ElementsProject#6 0x672856 in main lightningd/lightningd.c:1121:25
morehouse
added a commit
that referenced
this pull request
Jun 5, 2023
Fixes nullability errors detected by UBSan:
wire/fromwire.c:173:46: runtime error: null pointer passed as argument 1, which is declared to never be null
external/libwally-core/src/secp256k1/include/secp256k1.h:432:3: note: nonnull attribute specified here
#0 0x65214a in fromwire_secp256k1_ecdsa_signature wire/fromwire.c:173:6
#1 0x659500 in printwire_secp256k1_ecdsa_signature devtools/print_wire.c:331:1
#2 0x646ba2 in printwire_channel_update wire/peer_printgen.c:1900:7
#3 0x637182 in printpeer_wire_message wire/peer_printgen.c:128:11
#4 0x65a097 in main devtools/decodemsg.c:85:10
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Variable inroduced in 708fb17 is making CI fail.