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Re: [tor-bugs] #7743 [Tor]: Avoid needless wasted space in cells
#7743: Avoid needless wasted space in cells
-------------------------+--------------------------------------------------
Reporter: nickm | Owner: nickm
Type: defect | Status: reopened
Priority: critical | Milestone: Tor: 0.2.4.x-final
Component: Tor | Version:
Resolution: | Keywords: backport-023 tor-relay regression bwbug
Parent: | Points:
Actualpoints: |
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Comment(by andrea):
Stack dump for SIGSEGV seen while testing:
#0 0x0000000000539321 in tor_strlower (s=0x0) at src/common/util.c:517
#1 0x00000000004d56c4 in connection_exit_begin_conn (cell=0x7fffffffde30,
circ=0x1bec960)
at src/or/connection_edge.c:2482
#2 0x0000000000429143 in connection_edge_process_relay_cell
(cell=0x7fffffffde30, circ=0x1bec960, conn=0x0,
layer_hint=0x0) at src/or/relay.c:1190
#3 0x0000000000425e66 in circuit_receive_relay_cell (cell=0x7fffffffde30,
circ=0x1bec960,
cell_direction=CELL_DIRECTION_OUT) at src/or/relay.c:193
#4 0x00000000004b00a9 in command_process_relay_cell (cell=0x7fffffffde30,
chan=0x1d9c0e0) at src/or/command.c:407
#5 0x00000000004af32d in command_process_cell (chan=0x1d9c0e0,
cell=0x7fffffffde30) at src/or/command.c:147
#6 0x0000000000485fac in channel_queue_cell (chan=0x1d9c0e0,
cell=0x7fffffffde30) at src/or/channel.c:2516
#7 0x000000000048cb48 in channel_tls_handle_cell (cell=0x7fffffffde30,
conn=0x22fc5e0) at src/or/channeltls.c:921
#8 0x00000000004db608 in connection_or_process_cells_from_inbuf
(conn=0x22fc5e0) at src/or/connection_or.c:1937
#9 0x00000000004d80a6 in connection_or_process_inbuf (conn=0x22fc5e0) at
src/or/connection_or.c:461
#10 0x00000000004cbba9 in connection_process_inbuf (conn=0x22fc5e0,
package_partial=1) at src/or/connection.c:3954
#11 0x00000000004c95c9 in connection_handle_read_impl (conn=0x22fc5e0) at
src/or/connection.c:2819
#12 0x00000000004c96f4 in connection_handle_read (conn=0x22fc5e0) at
src/or/connection.c:2860
#13 0x000000000040a26f in conn_read_callback (fd=22, event=2,
_conn=0x22fc5e0) at src/or/main.c:722
#14 0x00007ffff772f930 in event_process_active (base=0x7e4c70,
flags=<value optimized out>) at event.c:395
#15 event_base_loop (base=0x7e4c70, flags=<value optimized out>) at
event.c:547
#16 0x000000000040cc77 in do_main_loop () at src/or/main.c:1989
#17 0x000000000040e237 in tor_main (argc=3, argv=0x7fffffffe658) at
src/or/main.c:2701
#18 0x0000000000408844 in main (argc=3, argv=0x7fffffffe658) at
src/or/tor_main.c:30
Not sure if this is related to this patch or not yet.
--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/7743#comment:16>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
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