From: Ze Tan <tanze@kylinos.cn>
To: ericvh@kernel.org, lucho@ionkov.net, asmadeus@codewreck.org,
linux_oss@crudebyte.com, davem@davemloft.net,
edumazet@google.com, kuba@kernel.org, v9fs@lists.linux.dev,
netdev@vger.kernel.org
Cc: linux-kernel@vger.kernel.org, tanze@kylinos.cn
Subject: [PATCH v2 0/3] net/9p: safely abort fd RPCs on fatal signals
Date: Thu, 16 Jul 2026 15:30:48 +0800 [thread overview]
Message-ID: <cover.1784186316.git.tanze@kylinos.cn> (raw)
Hi,
This series fixes a hung task reported by Syzkaller when a thread blocked
in a 9p fd RPC receives a fatal signal while another thread in the same
group is waiting in coredump_wait(). The interrupted RPC currently enters
the TFLUSH path and can wait indefinitely if the 9p server is no longer
responding, preventing the thread from exiting and the coredump from
completing.
Ze Tan (3):
net/9p: handle replies racing with interrupted RPCs
net/9p: prepare fd transports for asynchronous aborts
net/9p: abort interrupted fd RPCs on fatal signals
include/net/9p/client.h | 3 +++
include/net/9p/transport.h | 4 ++++
net/9p/client.c | 35 +++++++++++++++++++++++++++++++++++
net/9p/trans_fd.c | 10 +++++++++-
4 files changed, 51 insertions(+), 1 deletion(-)
base-commit: 58717b2a1365d06c8c64b72aa948541b53fe31eb
--
2.43.0
next reply other threads:[~2026-07-16 7:31 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-16 7:30 Ze Tan [this message]
2026-07-16 7:30 ` [PATCH v2 1/3] net/9p: handle replies racing with interrupted RPCs Ze Tan
2026-07-16 7:30 ` [PATCH v2 2/3] net/9p: prepare fd transports for asynchronous aborts Ze Tan
2026-07-16 7:30 ` [PATCH v2 3/3] net/9p: abort interrupted fd RPCs on fatal signals Ze Tan
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