search for: hdio

Displaying 14 results from an estimated 14 matches for "hdio".

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[PATCH v3] virtio-blk: handle block_device_operations callbacks after hot unplug
2020 Apr 30
2
[PATCH v3] virtio-blk: handle block_device_operations callbacks after hot unplug
...at 05:53:45PM +0100, Stefan Hajnoczi wrote: > > A userspace process holding a file descriptor to a virtio_blk device can > > still invoke block_device_operations after hot unplug. This leads to a > > use-after-free accessing vblk->vdev in virtblk_getgeo() when > > ioctl(HDIO_GETGEO) is invoked: > > > > BUG: unable to handle kernel NULL pointer dereference at 0000000000000090 > > IP: [<ffffffffc00e5450>] virtio_check_driver_offered_feature+0x10/0x90 [virtio] > > PGD 800000003a92f067 PUD 3a930067 PMD 0 > > Oops: 0000 [#1] SMP...
[PATCH v3] virtio-blk: handle block_device_operations callbacks after hot unplug
2020 Apr 30
2
[PATCH v3] virtio-blk: handle block_device_operations callbacks after hot unplug
...at 05:53:45PM +0100, Stefan Hajnoczi wrote: > > A userspace process holding a file descriptor to a virtio_blk device can > > still invoke block_device_operations after hot unplug. This leads to a > > use-after-free accessing vblk->vdev in virtblk_getgeo() when > > ioctl(HDIO_GETGEO) is invoked: > > > > BUG: unable to handle kernel NULL pointer dereference at 0000000000000090 > > IP: [<ffffffffc00e5450>] virtio_check_driver_offered_feature+0x10/0x90 [virtio] > > PGD 800000003a92f067 PUD 3a930067 PMD 0 > > Oops: 0000 [#1] SMP...
[PATCH v4] virtio-blk: handle block_device_operations callbacks after hot unplug
2020 Apr 30
3
[PATCH v4] virtio-blk: handle block_device_operations callbacks after hot unplug
A userspace process holding a file descriptor to a virtio_blk device can still invoke block_device_operations after hot unplug. This leads to a use-after-free accessing vblk->vdev in virtblk_getgeo() when ioctl(HDIO_GETGEO) is invoked: BUG: unable to handle kernel NULL pointer dereference at 0000000000000090 IP: [<ffffffffc00e5450>] virtio_check_driver_offered_feature+0x10/0x90 [virtio] PGD 800000003a92f067 PUD 3a930067 PMD 0 Oops: 0000 [#1] SMP CPU: 0 PID: 1310 Comm: hdio-getgeo Tainted: G...
[PATCH v4] virtio-blk: handle block_device_operations callbacks after hot unplug
2020 Apr 30
3
[PATCH v4] virtio-blk: handle block_device_operations callbacks after hot unplug
A userspace process holding a file descriptor to a virtio_blk device can still invoke block_device_operations after hot unplug. This leads to a use-after-free accessing vblk->vdev in virtblk_getgeo() when ioctl(HDIO_GETGEO) is invoked: BUG: unable to handle kernel NULL pointer dereference at 0000000000000090 IP: [<ffffffffc00e5450>] virtio_check_driver_offered_feature+0x10/0x90 [virtio] PGD 800000003a92f067 PUD 3a930067 PMD 0 Oops: 0000 [#1] SMP CPU: 0 PID: 1310 Comm: hdio-getgeo Tainted: G...
[PATCH v3] virtio-blk: handle block_device_operations callbacks after hot unplug
2020 Apr 29
2
[PATCH v3] virtio-blk: handle block_device_operations callbacks after hot unplug
A userspace process holding a file descriptor to a virtio_blk device can still invoke block_device_operations after hot unplug. This leads to a use-after-free accessing vblk->vdev in virtblk_getgeo() when ioctl(HDIO_GETGEO) is invoked: BUG: unable to handle kernel NULL pointer dereference at 0000000000000090 IP: [<ffffffffc00e5450>] virtio_check_driver_offered_feature+0x10/0x90 [virtio] PGD 800000003a92f067 PUD 3a930067 PMD 0 Oops: 0000 [#1] SMP CPU: 0 PID: 1310 Comm: hdio-getgeo Tainted: G...
[PATCH v3] virtio-blk: handle block_device_operations callbacks after hot unplug
2020 Apr 29
2
[PATCH v3] virtio-blk: handle block_device_operations callbacks after hot unplug
A userspace process holding a file descriptor to a virtio_blk device can still invoke block_device_operations after hot unplug. This leads to a use-after-free accessing vblk->vdev in virtblk_getgeo() when ioctl(HDIO_GETGEO) is invoked: BUG: unable to handle kernel NULL pointer dereference at 0000000000000090 IP: [<ffffffffc00e5450>] virtio_check_driver_offered_feature+0x10/0x90 [virtio] PGD 800000003a92f067 PUD 3a930067 PMD 0 Oops: 0000 [#1] SMP CPU: 0 PID: 1310 Comm: hdio-getgeo Tainted: G...
[PATCH v3] virtio-blk: handle block_device_operations callbacks after hot unplug
2020 Apr 30
0
[PATCH v3] virtio-blk: handle block_device_operations callbacks after hot unplug
..., Stefan Hajnoczi wrote: > > > A userspace process holding a file descriptor to a virtio_blk device can > > > still invoke block_device_operations after hot unplug. This leads to a > > > use-after-free accessing vblk->vdev in virtblk_getgeo() when > > > ioctl(HDIO_GETGEO) is invoked: > > > > > > BUG: unable to handle kernel NULL pointer dereference at 0000000000000090 > > > IP: [<ffffffffc00e5450>] virtio_check_driver_offered_feature+0x10/0x90 [virtio] > > > PGD 800000003a92f067 PUD 3a930067 PMD 0 > > &g...
[PATCH v4] virtio-blk: handle block_device_operations callbacks after hot unplug
2020 May 04
0
[PATCH v4] virtio-blk: handle block_device_operations callbacks after hot unplug
...:42 +0100 Stefan Hajnoczi <stefanha at redhat.com> wrote: > A userspace process holding a file descriptor to a virtio_blk device can > still invoke block_device_operations after hot unplug. This leads to a > use-after-free accessing vblk->vdev in virtblk_getgeo() when > ioctl(HDIO_GETGEO) is invoked: > > BUG: unable to handle kernel NULL pointer dereference at 0000000000000090 > IP: [<ffffffffc00e5450>] virtio_check_driver_offered_feature+0x10/0x90 [virtio] > PGD 800000003a92f067 PUD 3a930067 PMD 0 > Oops: 0000 [#1] SMP > CPU: 0 PID: 1310 C...
[PATCH v3] virtio-blk: handle block_device_operations callbacks after hot unplug
2020 Apr 30
0
[PATCH v3] virtio-blk: handle block_device_operations callbacks after hot unplug
On Wed, Apr 29, 2020 at 05:53:45PM +0100, Stefan Hajnoczi wrote: > A userspace process holding a file descriptor to a virtio_blk device can > still invoke block_device_operations after hot unplug. This leads to a > use-after-free accessing vblk->vdev in virtblk_getgeo() when > ioctl(HDIO_GETGEO) is invoked: > > BUG: unable to handle kernel NULL pointer dereference at 0000000000000090 > IP: [<ffffffffc00e5450>] virtio_check_driver_offered_feature+0x10/0x90 [virtio] > PGD 800000003a92f067 PUD 3a930067 PMD 0 > Oops: 0000 [#1] SMP > CPU: 0 PID: 1310 C...
[PATCH AUTOSEL 5.6 32/62] virtio-blk: handle block_device_operations callbacks after hot unplug
2020 May 14
0
[PATCH AUTOSEL 5.6 32/62] virtio-blk: handle block_device_operations callbacks after hot unplug
...nha at redhat.com> [ Upstream commit 90b5feb8c4bebc76c27fcaf3e1a0e5ca2d319e9e ] A userspace process holding a file descriptor to a virtio_blk device can still invoke block_device_operations after hot unplug. This leads to a use-after-free accessing vblk->vdev in virtblk_getgeo() when ioctl(HDIO_GETGEO) is invoked: BUG: unable to handle kernel NULL pointer dereference at 0000000000000090 IP: [<ffffffffc00e5450>] virtio_check_driver_offered_feature+0x10/0x90 [virtio] PGD 800000003a92f067 PUD 3a930067 PMD 0 Oops: 0000 [#1] SMP CPU: 0 PID: 1310 Comm: hdio-getgeo Tainted: G...
[PATCH AUTOSEL 4.19 22/31] virtio-blk: handle block_device_operations callbacks after hot unplug
2020 May 14
0
[PATCH AUTOSEL 4.19 22/31] virtio-blk: handle block_device_operations callbacks after hot unplug
...nha at redhat.com> [ Upstream commit 90b5feb8c4bebc76c27fcaf3e1a0e5ca2d319e9e ] A userspace process holding a file descriptor to a virtio_blk device can still invoke block_device_operations after hot unplug. This leads to a use-after-free accessing vblk->vdev in virtblk_getgeo() when ioctl(HDIO_GETGEO) is invoked: BUG: unable to handle kernel NULL pointer dereference at 0000000000000090 IP: [<ffffffffc00e5450>] virtio_check_driver_offered_feature+0x10/0x90 [virtio] PGD 800000003a92f067 PUD 3a930067 PMD 0 Oops: 0000 [#1] SMP CPU: 0 PID: 1310 Comm: hdio-getgeo Tainted: G...
[PATCH AUTOSEL 4.14 31/39] virtio-blk: handle block_device_operations callbacks after hot unplug
2020 May 14
0
[PATCH AUTOSEL 4.14 31/39] virtio-blk: handle block_device_operations callbacks after hot unplug
...nha at redhat.com> [ Upstream commit 90b5feb8c4bebc76c27fcaf3e1a0e5ca2d319e9e ] A userspace process holding a file descriptor to a virtio_blk device can still invoke block_device_operations after hot unplug. This leads to a use-after-free accessing vblk->vdev in virtblk_getgeo() when ioctl(HDIO_GETGEO) is invoked: BUG: unable to handle kernel NULL pointer dereference at 0000000000000090 IP: [<ffffffffc00e5450>] virtio_check_driver_offered_feature+0x10/0x90 [virtio] PGD 800000003a92f067 PUD 3a930067 PMD 0 Oops: 0000 [#1] SMP CPU: 0 PID: 1310 Comm: hdio-getgeo Tainted: G...
[PATCH AUTOSEL 5.4 29/49] virtio-blk: handle block_device_operations callbacks after hot unplug
2020 May 14
0
[PATCH AUTOSEL 5.4 29/49] virtio-blk: handle block_device_operations callbacks after hot unplug
...nha at redhat.com> [ Upstream commit 90b5feb8c4bebc76c27fcaf3e1a0e5ca2d319e9e ] A userspace process holding a file descriptor to a virtio_blk device can still invoke block_device_operations after hot unplug. This leads to a use-after-free accessing vblk->vdev in virtblk_getgeo() when ioctl(HDIO_GETGEO) is invoked: BUG: unable to handle kernel NULL pointer dereference at 0000000000000090 IP: [<ffffffffc00e5450>] virtio_check_driver_offered_feature+0x10/0x90 [virtio] PGD 800000003a92f067 PUD 3a930067 PMD 0 Oops: 0000 [#1] SMP CPU: 0 PID: 1310 Comm: hdio-getgeo Tainted: G...
[PATCH 00/24] block, scsi: final compat_ioctl cleanup
2019 Dec 11
3
[PATCH 00/24] block, scsi: final compat_ioctl cleanup
...compat_ioctl: bsg: add handler compat_ioctl: ide: floppy: add handler compat_ioctl: scsi: move ioctl handling into drivers compat_ioctl: move sys_compat_ioctl() to ioctl.c compat_ioctl: simplify the implementation compat_ioctl: move cdrom commands into cdrom.c compat_ioctl: scsi: handle HDIO commands from drivers compat_ioctl: move HDIO ioctl handling into drivers/ide compat_ioctl: block: move blkdev_compat_ioctl() into ioctl.c compat_ioctl: block: simplify compat_blkpg_ioctl() compat_ioctl: simplify up block/ioctl.c Documentation: document ioctl interfaces better Documenta...