diff options
| author | Li Feng <fengli@smartx.com> | 2020-05-22 10:55:54 +0800 |
|---|---|---|
| committer | Marc-André Lureau <marcandre.lureau@redhat.com> | 2020-07-13 11:59:47 +0400 |
| commit | 2b61bb716cd45ffe10fc92512b6134084c0ffcde (patch) | |
| tree | a2b88639ddd407099abade6c4a63487fdd9db708 /chardev | |
| parent | d34498309cff7560ac90c422c56e3137e6a64b19 (diff) | |
char-socket: initialize reconnect timer only when the timer doesn't start
When the disconnect event is triggered in the connecting stage,
the tcp_chr_disconnect_locked may be called twice.
The first call:
#0 qemu_chr_socket_restart_timer (chr=0x55555582ee90) at chardev/char-socket.c:120
#1 0x000055555558e38c in tcp_chr_disconnect_locked (chr=<optimized out>) at chardev/char-socket.c:490
#2 0x000055555558e3cd in tcp_chr_disconnect (chr=0x55555582ee90) at chardev/char-socket.c:497
#3 0x000055555558ea32 in tcp_chr_new_client (chr=chr@entry=0x55555582ee90, sioc=sioc@entry=0x55555582f0b0) at chardev/char-socket.c:892
#4 0x000055555558eeb8 in qemu_chr_socket_connected (task=0x55555582f300, opaque=<optimized out>) at chardev/char-socket.c:1090
#5 0x0000555555574352 in qio_task_complete (task=task@entry=0x55555582f300) at io/task.c:196
#6 0x00005555555745f4 in qio_task_thread_result (opaque=0x55555582f300) at io/task.c:111
#7 qio_task_wait_thread (task=0x55555582f300) at io/task.c:190
#8 0x000055555558f17e in tcp_chr_wait_connected (chr=0x55555582ee90, errp=0x555555802a08 <error_abort>) at chardev/char-socket.c:1013
#9 0x0000555555567cbd in char_socket_client_reconnect_test (opaque=0x5555557fe020 <client8unix>) at tests/test-char.c:1152
The second call:
#0 0x00007ffff5ac3277 in raise () from /lib64/libc.so.6
#1 0x00007ffff5ac4968 in abort () from /lib64/libc.so.6
#2 0x00007ffff5abc096 in __assert_fail_base () from /lib64/libc.so.6
#3 0x00007ffff5abc142 in __assert_fail () from /lib64/libc.so.6
#4 0x000055555558d10a in qemu_chr_socket_restart_timer (chr=0x55555582ee90) at chardev/char-socket.c:125
#5 0x000055555558df0c in tcp_chr_disconnect_locked (chr=<optimized out>) at chardev/char-socket.c:490
#6 0x000055555558df4d in tcp_chr_disconnect (chr=0x55555582ee90) at chardev/char-socket.c:497
#7 0x000055555558e5b2 in tcp_chr_new_client (chr=chr@entry=0x55555582ee90, sioc=sioc@entry=0x55555582f0b0) at chardev/char-socket.c:892
#8 0x000055555558e93a in tcp_chr_connect_client_sync (chr=chr@entry=0x55555582ee90, errp=errp@entry=0x7fffffffd178) at chardev/char-socket.c:944
#9 0x000055555558ec78 in tcp_chr_wait_connected (chr=0x55555582ee90, errp=0x555555802a08 <error_abort>) at chardev/char-socket.c:1035
#10 0x000055555556804b in char_socket_client_test (opaque=0x5555557fe020 <client8unix>) at tests/test-char.c:1023
Run test/test-char to reproduce this issue.
test-char: chardev/char-socket.c:125: qemu_chr_socket_restart_timer: Assertion `!s->reconnect_timer' failed.
Signed-off-by: Li Feng <fengli@smartx.com>
Acked-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20200522025554.41063-1-fengli@smartx.com>
Diffstat (limited to 'chardev')
| -rw-r--r-- | chardev/char-socket.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/chardev/char-socket.c b/chardev/char-socket.c index 5758d9900f..320aa7c642 100644 --- a/chardev/char-socket.c +++ b/chardev/char-socket.c @@ -490,7 +490,7 @@ static void tcp_chr_disconnect_locked(Chardev *chr) if (emit_close) { qemu_chr_be_event(chr, CHR_EVENT_CLOSED); } - if (s->reconnect_time) { + if (s->reconnect_time && !s->reconnect_timer) { qemu_chr_socket_restart_timer(chr); } } |