From: "hch@infradead.ori" <hch@infradead.org>
To: Trond Myklebust <trondmy@kernel.org>
Cc: "hch@infradead.ori" <hch@infradead.org>,
"anna@kernel.org" <anna@kernel.org>,
"linux-nfs@vger.kernel.org" <linux-nfs@vger.kernel.org>
Subject: Re: [PATCH] NFS: Fix directory delegation verifier checks
Date: Tue, 6 Jan 2026 21:23:01 -0800 [thread overview]
Message-ID: <aV3ttYmT2vAtPDws@infradead.org> (raw)
In-Reply-To: <1df4bb7ff3e6fd607c1811d75fcd6dcb860e320e.camel@kernel.org>
On Tue, Jan 06, 2026 at 01:32:54PM -0500, Trond Myklebust wrote:
> Sigh... One last patch on top of all the previous ones, but if we hit
> another issue I think we need to consider just disabling directory
> delegations on the client until all the remaining issues can be fixed
> in the next release.
This still crasheѕ generic/633:
generic/633 4s ... [ 73.075526] run fstests generic/633 at 2026-01-07 05:21:37
[ 73.286318] process 'vfstest' launched '/dev/fd/4/file1' with NULL argv: empty string added
[ 73.314625] Oops: general protection fault, probably for non-canonical address 0xcccccccccccccd50: 0000 [#1] SMP NOPTI
[ 73.315391] CPU: 1 UID: 0 PID: 100 Comm: kworker/u8:3 Tainted: G N 6.19.0-rc4+ #4540 PREEMPT(full)
[ 73.316043] Tainted: [N]=TEST
[ 73.316229] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[ 73.316786] Workqueue: rpciod rpc_async_schedule
[ 73.317066] RIP: 0010:nfs_inode_find_state_and_recover+0x9c/0x260
[ 73.317430] Code: 01 0f 85 83 00 00 00 49 8b 84 24 80 00 00 00 4c 8d 60 80 48 39 c3 0f 84 68 01 00 00 4d 8b 7c 24 60 4d 85 ff 74 e1 48 8b 7d 00 <49> 39 bf 84 00 00 00 75 af 8b 4d 08 41 39 8f 8c 00 00 00 75 a3 48
[ 73.318513] RSP: 0018:ffffc900001bfd00 EFLAGS: 00010286
[ 73.318868] RAX: ffff88810cfb98e0 RBX: ffff8881d68d8c50 RCX: 0000000000000000
[ 73.319354] RDX: ffff88810330a0c0 RSI: ffff88811a86d914 RDI: b6162427695ded30
[ 73.319832] RBP: ffff88811a86d918 R08: ffff88810c685100 R09: ffff88810c685130
[ 73.320270] R10: 0000000000000003 R11: fefefefefefefeff R12: ffff88810cfb9860
[ 73.320698] R13: ffff8881179b2800 R14: 0000000000000000 R15: cccccccccccccccc
[ 73.321135] FS: 0000000000000000(0000) GS:ffff8882b363d000(0000) knlGS:0000000000000000
[ 73.321640] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 73.321994] CR2: 0000559277cef238 CR3: 0000000161792002 CR4: 0000000000772ef0
[ 73.322422] PKRU: 55555554
[ 73.322592] Call Trace:
[ 73.322749] <TASK>
[ 73.322889] nfs4_delegreturn_done+0x1b7/0x380
[ 73.323173] ? __pfx_rpc_exit_task+0x10/0x10
[ 73.323475] rpc_exit_task+0x5c/0x170
[ 73.323755] __rpc_execute+0xb1/0x490
[ 73.324000] rpc_async_schedule+0x2a/0x40
[ 73.324257] process_one_work+0x16c/0x330
[ 73.324515] worker_thread+0x254/0x3a0
[ 73.324762] ? __pfx_worker_thread+0x10/0x10
[ 73.325042] kthread+0x117/0x230
[ 73.325303] ? __pfx_kthread+0x10/0x10
[ 73.325557] ? __pfx_kthread+0x10/0x10
[ 73.325812] ret_from_fork+0x1b6/0x200
[ 73.326045] ? __pfx_kthread+0x10/0x10
[ 73.326278] ret_from_fork_asm+0x1a/0x30
[ 73.326535] </TASK>
[ 73.326681] Modules linked in: kvm_intel kvm irqbypass
[ 73.327046] ---[ end trace 0000000000000000 ]---
next prev parent reply other threads:[~2026-01-07 5:23 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-12-19 20:13 [PATCH] NFS: Fix directory delegation verifier checks Anna Schumaker
2025-12-22 22:35 ` Christoph Hellwig
2025-12-23 1:06 ` Christoph Hellwig
2025-12-31 21:52 ` Trond Myklebust
2026-01-06 6:21 ` hch@infradead.ori
2026-01-06 18:32 ` Trond Myklebust
2026-01-07 5:23 ` hch@infradead.ori [this message]
2026-01-07 15:07 ` Trond Myklebust
2026-01-07 15:30 ` hch@infradead.ori
2026-01-08 9:23 ` hch@infradead.ori
2026-01-07 16:52 ` Anna Schumaker
2026-04-04 18:32 ` Al Viro
2026-04-04 19:07 ` Al Viro
2026-04-05 2:39 ` Al Viro
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