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| 1 | +From 5c7df8fa815ac1004d9ecb9d1f7595c4d37f46e1 Mon Sep 17 00:00:00 2001 |
| 2 | +From: Tatsuhiro Tsujikawa <tatsuhiro.t@gmail.com> |
| 3 | +Date: Wed, 18 Feb 2026 18:04:30 +0900 |
| 4 | +Subject: [PATCH] Fix missing iframe->state validations to avoid assertion |
| 5 | + failure |
| 6 | + |
| 7 | +Upstream Patch Reference: https://github.com/nghttp2/nghttp2/commit/5c7df8fa815ac1004d9ecb9d1f7595c4d37f46e1.patch |
| 8 | +--- |
| 9 | + deps/nghttp2/lib/nghttp2_session.c | 40 +++++++++++++++++++++++++++--- |
| 10 | + 1 file changed, 36 insertions(+), 4 deletions(-) |
| 11 | + |
| 12 | +diff --git a/deps/nghttp2/lib/nghttp2_session.c b/deps/nghttp2/lib/nghttp2_session.c |
| 13 | +index 004a4dff..3f1fab3a 100644 |
| 14 | +--- a/deps/nghttp2/lib/nghttp2_session.c |
| 15 | ++++ b/deps/nghttp2/lib/nghttp2_session.c |
| 16 | +@@ -6079,6 +6079,10 @@ nghttp2_ssize nghttp2_session_mem_recv2(nghttp2_session *session, |
| 17 | + return rv; |
| 18 | + } |
| 19 | + |
| 20 | ++ if (iframe->state == NGHTTP2_IB_IGN_ALL) { |
| 21 | ++ return (nghttp2_ssize)inlen; |
| 22 | ++ } |
| 23 | ++ |
| 24 | + on_begin_frame_called = 1; |
| 25 | + |
| 26 | + rv = session_process_headers_frame(session); |
| 27 | +@@ -6445,6 +6449,10 @@ nghttp2_ssize nghttp2_session_mem_recv2(nghttp2_session *session, |
| 28 | + if (nghttp2_is_fatal(rv)) { |
| 29 | + return rv; |
| 30 | + } |
| 31 | ++ |
| 32 | ++ if (iframe->state == NGHTTP2_IB_IGN_ALL) { |
| 33 | ++ return (nghttp2_ssize)inlen; |
| 34 | ++ } |
| 35 | + } |
| 36 | + } |
| 37 | + |
| 38 | +@@ -6701,6 +6709,10 @@ nghttp2_ssize nghttp2_session_mem_recv2(nghttp2_session *session, |
| 39 | + return rv; |
| 40 | + } |
| 41 | + |
| 42 | ++ if (iframe->state == NGHTTP2_IB_IGN_ALL) { |
| 43 | ++ return (nghttp2_ssize)inlen; |
| 44 | ++ } |
| 45 | ++ |
| 46 | + session_inbound_frame_reset(session); |
| 47 | + |
| 48 | + break; |
| 49 | +@@ -7004,6 +7016,10 @@ nghttp2_ssize nghttp2_session_mem_recv2(nghttp2_session *session, |
| 50 | + if (nghttp2_is_fatal(rv)) { |
| 51 | + return rv; |
| 52 | + } |
| 53 | ++ |
| 54 | ++ if (iframe->state == NGHTTP2_IB_IGN_ALL) { |
| 55 | ++ return (nghttp2_ssize)inlen; |
| 56 | ++ } |
| 57 | + } else { |
| 58 | + iframe->state = NGHTTP2_IB_IGN_HEADER_BLOCK; |
| 59 | + } |
| 60 | +@@ -7169,13 +7185,17 @@ nghttp2_ssize nghttp2_session_mem_recv2(nghttp2_session *session, |
| 61 | + rv = session->callbacks.on_data_chunk_recv_callback( |
| 62 | + session, iframe->frame.hd.flags, iframe->frame.hd.stream_id, |
| 63 | + in - readlen, (size_t)data_readlen, session->user_data); |
| 64 | +- if (rv == NGHTTP2_ERR_PAUSE) { |
| 65 | +- return (nghttp2_ssize)(in - first); |
| 66 | +- } |
| 67 | +- |
| 68 | + if (nghttp2_is_fatal(rv)) { |
| 69 | + return NGHTTP2_ERR_CALLBACK_FAILURE; |
| 70 | + } |
| 71 | ++ |
| 72 | ++ if (iframe->state == NGHTTP2_IB_IGN_ALL) { |
| 73 | ++ return (nghttp2_ssize)inlen; |
| 74 | ++ } |
| 75 | ++ |
| 76 | ++ if (rv == NGHTTP2_ERR_PAUSE) { |
| 77 | ++ return (nghttp2_ssize)(in - first); |
| 78 | ++ } |
| 79 | + } |
| 80 | + } |
| 81 | + } |
| 82 | +@@ -7256,6 +7276,10 @@ nghttp2_ssize nghttp2_session_mem_recv2(nghttp2_session *session, |
| 83 | + return rv; |
| 84 | + } |
| 85 | + |
| 86 | ++ if (iframe->state == NGHTTP2_IB_IGN_ALL) { |
| 87 | ++ return (nghttp2_ssize)inlen; |
| 88 | ++ } |
| 89 | ++ |
| 90 | + if (rv != 0) { |
| 91 | + busy = 1; |
| 92 | + |
| 93 | +@@ -7274,6 +7298,10 @@ nghttp2_ssize nghttp2_session_mem_recv2(nghttp2_session *session, |
| 94 | + return rv; |
| 95 | + } |
| 96 | + |
| 97 | ++ if (iframe->state == NGHTTP2_IB_IGN_ALL) { |
| 98 | ++ return (nghttp2_ssize)inlen; |
| 99 | ++ } |
| 100 | ++ |
| 101 | + session_inbound_frame_reset(session); |
| 102 | + |
| 103 | + break; |
| 104 | +@@ -7302,6 +7330,10 @@ nghttp2_ssize nghttp2_session_mem_recv2(nghttp2_session *session, |
| 105 | + return rv; |
| 106 | + } |
| 107 | + |
| 108 | ++ if (iframe->state == NGHTTP2_IB_IGN_ALL) { |
| 109 | ++ return (nghttp2_ssize)inlen; |
| 110 | ++ } |
| 111 | ++ |
| 112 | + session_inbound_frame_reset(session); |
| 113 | + |
| 114 | + break; |
| 115 | +-- |
| 116 | +2.45.4 |
| 117 | + |
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