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fix: negative line length, write(2) to bad fd

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root 2025-05-17 08:37:23 +00:00
parent 65dc844f54
commit 76b53ad30c
1 changed files with 7 additions and 2 deletions
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9
client.s
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@ -92,15 +92,17 @@ client__pollout:
mov rbx, rdx mov rbx, rdx
mov r12, rsi mov r12, rsi
push rdi
mov rdi, r12 mov rdi, r12
add rdi, OFFSET_CLIENT_BUFFER
mov rsi, 255 mov rsi, 255
call scanline call scanline
pop rdi
; poll(2)'d for POLLOUT but we had no line buffered; ; poll(2)'d for POLLOUT but we had no line buffered;
; should be impossible ; should be impossible
cmp rax, 0 cmp rax, 0
mov rax, -1024 je client__pollout__no_line
je client__pollout__return
mov r13, rax mov r13, rax
@ -135,6 +137,9 @@ client__pollout__shunt__finished:
jl client__pollout__return jl client__pollout__return
mov word [pollfds + rbx * pollfd_size + 4], POLLIN mov word [pollfds + rbx * pollfd_size + 4], POLLIN
client__pollout__no_line:
mov rax, -1024
client__pollout__return: client__pollout__return:
pop r13 pop r13
pop r12 pop r12