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ndw+q9trx7O7KJdK5te9KHpFC77GJHP5BC70aHcu37ZZ/+BQgWoX57iw/+wCRAcOrgO6JF/uBfH mZVx92NKD71k2q749CneYS920zUinYxm/luT/SfpGpVE3HdPVLam X-Authority-Analysis: v=2.4 cv=KJZqylFo c=1 sm=1 tr=0 ts=6a57890a b=1 cx=c_pps a=zPCbziy225d3KhSqZt3L1A==:117 a=zPCbziy225d3KhSqZt3L1A==:17 a=6eWqkTHjU83fiwn7nKZWdM+Sl24=:19 a=z/mQ4Ysz8XfWz/Q5cLBRGdckG28=:19 a=lCpzRmAYbLLaTzLvsPZ7Mbvzbb8=:19 a=xqWC_Br6kY4A:10 a=IkcTkHD0fZMA:10 a=RAioF0-LDSMA:10 a=GoEa3M9JfhUA:10 a=VkNPw1HP01LnGYTKEx00:22 a=jiCTI4zE5U7BLdzWsZGv:22 a=EIcjfB9IiI4px24ztqRk:22 a=RpNjiQI2AAAA:8 a=dwmD0ky2nwVxBhpvle8A:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=5yU3S35YU4bGjq-dph-N:22 a=Bho9c0fBagfJEIQBS7DQ:22 cc=ntf awl=host:12218 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzE1MDEzMiBTYWx0ZWRfXyxe4WWRzWMbe BQRTRigA7iKV2xFWqT4w4x5YqLGPhFgD6m6ImipZiLUaSGHWuWoR9vbTa/hrTszCJD4it4UCHZy KZiGiYDh0hyz+KfBVgl6TXfvCWzMh6f7yc4oDAQFktJhS2lJBBQghr03fMyvrPg2oG8rrm0dx96 N4rVIq94CwONmhQUOmw4KR7DgBUyI65X3gwtdL4TtiFEayVGYGLGF06KfUHP23RngBX7vHvSWjc 6S9cYtyc0imVqoELDW2doB7MLSzPkCK9KG/lIjV12bhKtGkV5CRV8RQofRSNlTYy37vLqWywY53 ntn9lnEFZjkhjYe5+NiyUQN6Xv4ZHYnMScqWnoBDa0WSBKr3Q4p415xR8gLy5eLqF6veC6enQZf BRQpL/DVu1QoluNdglga42wVu29CZxP2W60df6Jg81qS9al17aeN20z6Jl7iBKXEXfWkncFimyy iB9jCq7HWMBgw8MMP0G7MS4BjfSKn/MauPTopWrI= X-Proofpoint-ORIG-GUID: 7xOzYZfGkwMeiavQJJFSj8NuYStOwteY On 15/07/2026 13:20, Daniel Wagner wrote: > On Tue, Jul 14, 2026 at 09:=E2=80=8A43:=E2=80=8A45AM +0000, John Garry wr= ote: > + # nvme-delay- > ioctl will open the nvme-generic cdev, sleep, and then > + # issue an ioc= tl. > + > # We tear down the nvme-subsystem in the foreground so we can catch > + >=20 >=20 > On Tue, Jul 14, 2026 at 09:43:45AM +0000, John Garry wrote: >> + # nvme-delay-ioctl will open the nvme-generic cdev, sleep, and then >> + # issue an ioctl. >> + # We tear down the nvme-subsystem in the foreground so we can catch >> + # if the ioctl triggers a use-after-free KASAN warn. >> + src/nvme-delay-ioctl "/dev/$nvmegeneric" & >> + sleep 0.5 >> + _nvme_disconnect_ctrl "${nvmedev}" >=20 > The sleep above is to give nvme-delay-ioctl enough time to setup, > right?=20 Right > Would it possible for nvme-delay-ioctl issue some signal (or any > other working sync method) and we just wait for it to show up? IMO sleep > should be avoided if possible. I suppose we could do something like nvme-delay-ioctl writing to a file,=20 which we can poll. Or use a signal. Let me investigate. John