← The evidence ledger
Evidence row 120203
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://saylorinnovations.com/api/kb/node-child-process-exec-execfile-spawn-shell-injection-maxbuffer
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 30d43386e2b0f72a181447f0b3c57f4a9097ac6cc4c501718a9b9d001ffd537e
- Leaf
- 0xa1011140eace18238aae8a90ca17cb294dd074f58695fd3122661c3ee7bef906
What was observed
{
"endpoints": [
[
"x402",
"https://saylorinnovations.com/api/kb/node-child-process-exec-execfile-spawn-shell-injection-maxbuffer"
]
],
"name": "Saylor Innovations Guide Library",
"owner_address": "0xa2a8df0f7caabea4e120a2568118f141569fc8aa",
"raw": {
"accepts": [
{
"amount": "10000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"assetTransferMethod": "eip3009",
"facilitatorOnly": true,
"memo": "saylor:node-child-process-exec-e",
"name": "USD Coin",
"note": "Base settles through an x402 facilitator. Send payload.signature and payload.authorization (EIP-3009); there is no self-submitted path on this network.",
"version": "2"
},
"maxTimeoutSeconds": 120,
"network": "eip155:8453",
"payTo": "0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa",
"scheme": "exact"
},
{
"amount": "10000",
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"assetTransferMethod": "eip3009",
"facilitatorOnly": true,
"memo": "saylor:node-child-process-exec-e",
"name": "USD Coin",
"note": "Polygon settles through an x402 facilitator. Send payload.signature and payload.authorization (EIP-3009); there is no self-submitted path on this network.",
"version": "2"
},
"maxTimeoutSeconds": 120,
"network": "eip155:137",
"payTo": "0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa",
"scheme": "exact"
},
{
"amount": "10000",
"asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
"extra": {
"assetTransferMethod": "eip3009",
"facilitatorOnly": true,
"memo": "saylor:node-child-process-exec-e",
"name": "USD Coin",
"note": "Arbitrum settles through an x402 facilitator. Send payload.signature and payload.authorization (EIP-3009); there is no self-submitted path on this network.",
"version": "2"
},
"maxTimeoutSeconds": 120,
"network": "eip155:42161",
"payTo": "0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa",
"scheme": "exact"
},
{
"amount": "10000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "BENrLoUbndxoNMUS5JXApGMtNykLjFXXixMtpDwDR9SP",
"memo": "saylor:node-child-process-exec-e",
"reference": "86ZGucrrYmDunQy6CfTCy2zvT32tUo1AnMwhHamJgJCo",
"session": "eyJhcnRpY2xlSWQiOiJub2RlLWNoaWxkLXByb2Nlc3MtZXhlYy1leGVjZmlsZS1zcGF3bi1zaGVsbC1pbmplY3Rpb24tbWF4YnVmZmVyIiwicmVmZXJlbmNlIjoiODZaR3VjcnJZbUR1blF5NkNmVEN5Mnp2VDMydFVvMUFuTXdoSGFtSmdKQ28iLCJyZWNpcGllbnQiOiI3TFNqZnJKZjhmTnNCOFZBOXU3TjNXRW4yNXNtUUxwb2IzU3Z5VXZYYWN5NyIsIm1pbnQiOiJFUGpGV2RkNUF1ZnFTU3FlTTJxTjF4enliYXBDOEc0d0VHR2tad3lURHQxdiIsIm1pbkFtb3VudCI6MTAwMDAsImV4cCI6MTc5Mjg0NDA1MzY2MH0.z6aWbJbvs18jcM9oCX2dR_Z9-PnD-xeDa-Q6tHoklUc"
},
"maxTimeoutSeconds": 120,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
"scheme": "exact"
},
{
"amount": "10000",
"asset": "Es9vMFrzaCERmJfrF4H2FYD4KCoNkY11McCe8BenwNYB",
"extra": {
"feePayer": "BENrLoUbndxoNMUS5JXApGMtNykLjFXXixMtpDwDR9SP",
"memo": "saylor:node-child-process-exec-e",
"reference": "J3iYzGQKjixoeqPxbKTg11Pipm5ETCSrcxSdxKrq2mg2",
"session": "eyJhcnRpY2xlSWQiOiJub2RlLWNoaWxkLXByb2Nlc3MtZXhlYy1leGVjZmlsZS1zcGF3bi1zaGVsbC1pbmplY3Rpb24tbWF4YnVmZmVyIiwicmVmZXJlbmNlIjoiSjNpWXpHUUtqaXhvZXFQeGJLVGcxMVBpcG01RVRDU3JjeFNkeEtycTJtZzIiLCJyZWNpcGllbnQiOiI3TFNqZnJKZjhmTnNCOFZBOXU3TjNXRW4yNXNtUUxwb2IzU3Z5VXZYYWN5NyIsIm1pbnQiOiJFczl2TUZyemFDRVJtSmZyRjRIMkZZRDRLQ29Oa1kxMU1jQ2U4QmVud05ZQiIsIm1pbkFtb3VudCI6MTAwMDAsImV4cCI6MTc5Mjg0NDA1MzY2MH0.Q_UP0iER2vfUAkUHn1_KLLpwnu8Vg4vuuz4tJF_WjPY"
},
"maxTimeoutSeconds": 120,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
"scheme": "exact"
},
{
"amount": "95792",
"asset": "So11111111111111111111111111111111111111112",
"extra": {
"memo": "saylor:node-child-process-exec-e",
"native": true,
"note": "Native SOL: send lamports with a system transfer, not an SPL transfer. Price is quoted live and this quote expires in 120s.",
"quotedLamports": "98755",
"reference": "C6Z18J7sXL2jTEeGhE5DenHbn8Go6fVrefoi6x67gA97",
"session": "eyJhcnRpY2xlSWQiOiJub2RlLWNoaWxkLXByb2Nlc3MtZXhlYy1leGVjZmlsZS1zcGF3bi1zaGVsbC1pbmplY3Rpb24tbWF4YnVmZmVyIiwicmVmZXJlbmNlIjoiQzZaMThKN3NYTDJqVEVlR2hFNURlbkhibjhHbzZmVnJlZm9pNng2N2dBOTciLCJyZWNpcGllbnQiOiI3TFNqZnJKZjhmTnNCOFZBOXU3TjNXRW4yNXNtUUxwb2IzU3Z5VXZYYWN5NyIsIm1pbnQiOm51bGwsIm1pbkFtb3VudCI6OTU3OTIsImV4cCI6MTc5Mjg0NDA1MzY2MH0.iWQqs9v39GdlSq_7HGCCj5-VNmIi3MLSrKgyVAywfhE",
"solUsdPrice": 101.26
},
"maxTimeoutSeconds": 120,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
"scheme": "exact"
}
],
"description": "Node child_process guide - exec vs execFile vs spawn, injection test, ENOENT and exit codes, maxBuffer, timeout kills, env replacement",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"type": "http"
},
"output": {
"example": {
"body": "Tested on Node 22: exec running an injected second command while execFile treats the argument literally, error shapes for exit code 3, missing command and maxBuffer, timeout SIGTERM, spawnSync and execSync status, spawn events, env inheritance and killing sh.",
"c": "Self-Hosting & Infra",
"id": "node-child-process-exec-execfile-spawn-shell-injection-maxbuffer",
"t": "Node.js child_process: exec vs execFile vs spawn, Shell Injection, maxBuffer, Timeouts and Exit Codes"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"body": {
"description": "Main body text",
"type": "string"
},
"c": {
"description": "Category of the guide",
"type": "string"
},
"id": {
"description": "Identifier of the record",
"type": "string"
},
"license": {
"description": "License identifier",
"type": "string"
},
"price": {
"description": "Price",
"type": [
"number",
"null"
]
},
"t": {
"description": "Title of the guide",
"type": "string"
}
},
"required": [
"id",
"t",
"c",
"body"
],
"type": "object"
},
"type": {
"const": "json",
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1791811517/bazaar-icons/bc5e2b3d111ebbef.jpg",
"lastUpdated": "2026-10-24T12:12:13.702Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-10-24T12:12:13.327Z"
},
"resource": "https://saylorinnovations.com/api/kb/node-child-process-exec-execfile-spawn-shell-injection-maxbuffer",
"serviceName": "Saylor Innovations Guide Library",
"tags": [
"nodejs",
"child-process",
"security",
"shell",
"spawn"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Node child_process guide - exec vs execFile vs spawn, injection test, ENOENT and exit codes, maxBuffer, timeout kills, env replacement"
}What the leaf hashes
{"body":"30d43386e2b0f72a181447f0b3c57f4a9097ac6cc4c501718a9b9d001ffd537e","id":120203,"kind":"listing","method":"baseline/1","observed_us":1793025617484331,"prev":null,"subject":"x402_bazaar:https://saylorinnovations.com/api/kb/node-child-process-exec-execfile-spawn-shell-injection-maxbuffer","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).
- 0xa100dfd0e3e7ed9f73ac931d63a945469f305de5ca373f13e241c05858c3c39d
- 0x4c51902301fc8f004ffc4d28a6918d75e8e0009db1c319b4e442bd03c2a83e4e
- 0xcebd23efe432d4e5634dbe6fd3f98f062cb92517e7f27f628c63f3702fa3c3e4
- 0x9d73bbb16f097b1823b96e640b64158210a23143dad774e4bf4d428f68833a6f
- 0xbb037ed448a3c9ae8cf90aa353a98395368a5fbf610fc67391a7316ca042f5f8
- 0x59522b4e324d297b87b07c558c3d130643e3e2804583c8e6d19bd474b044fed8
- 0xa3365b627c1b904cb7a3532b723aaf81436d75d68791492282320ee6e68bac0a
- 0xacbea1003f46f86edffa24948c2135518aa4138fe214dd7f079969ca9a1ba45b
- 0x2e341f6252adb787d6fe8df067d94cbcaff1f0c719bb94ffe8b610366b780599
- 0x848cf5e604d5f0c62cc02d3abe512164430820fceefd529d003cbca06e431809
- 0x6e2c6fb1ec16c0d8a0fa917725bdfc512e7ed9f39e77d64f0a911d30e68a27de
- 0x95576cc3dd18642c859f679cefa1cf80bfc6c690b065916c3585b14e8ef4b1b3
- 0xf8d3e004d9a208d2c5e82ab676956d80f8a3c78387c61dad15a3a8269efee0d8
- 0x6713795704ddd9c528d421fadd9cc96b0200a4ddbba84f88e718d4968dde888b
- 0x62a900133713919f4eed33d8336876b7a6d538233b8a4f3ed03b29aa44f5bad0
- 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
- 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
- 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae