char and misc drivers · Supported

Maintainers

• M Arnd Bergmann <arnd@arndb.de>
• M Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Paths

• F drivers/char/
• F drivers/misc/
• F include/linux/miscdevice.h
• F rust/kernel/miscdevice.rs
• F samples/rust/rust_misc_device.rs
• X drivers/char/agp/
• X drivers/char/hw_random/
• X drivers/char/ipmi/
• X drivers/char/random.c
• X drivers/char/tpm/

Last 30 days

Most active threads (last 7 days)

• DORMANTno replies Linux 7.1.6
  2026-08-03 09:35 · 1 reply in 7d · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Linux 6.18.42
  2026-08-03 09:35 · 1 reply in 7d · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• WARM1d Linux 6.12.101
  2026-08-03 09:34 · 1 reply in 7d · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• WARM1d Linux 6.6.148
  2026-08-03 09:34 · 1 reply in 7d · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• WARM3d [PATCH v8 0/2] misc: ibmasm: Fix out-of-bounds MMIO accesses
  2026-08-01 07:08 · 1 reply in 7d · Mingyu Wang <hidden>
• COOLING4d Re: [PATCH v3 1/2] dma-buf: dma-heap: don't publish fd before copy_to_user() succeeds
  2026-07-30 06:27 · 2 replies in 7d · Sumit Semwal <sumit.semwal@linaro.org>
• DORMANTno replies [PATCH v2] lkdtm/core: fix resource leaks on module init error path
  2026-07-30 15:49 · 0 replies in 7d · Jiangshan Yi <hidden>
• DORMANTno replies REVIEWED: 1 (0M) FAILED: patch "[PATCH] mei: bus: access mei_device under device_lock on cleanup" failed to apply to 6.1-stable tree
  2026-07-29 13:31 · 0 replies in 7d · <gregkh@linuxfoundation.org>

Active reviewers (last 30 days)

• Christian König <christian.koenig@amd.com>
  2 attestations (2 Acked-by) · last on 2026-07-30
• Menachem Adin <hidden>
  2 attestations (2 Reviewed-by) · last on 2026-07-29
• Ekansh Gupta <hidden>
  1 attestation (1 Reviewed-by) · last on 2026-07-24
• Yuhao Jiang <hidden>
  1 attestation (1 Reported-by) · last on 2026-07-24
• Dmitry Baryshkov <hidden>
  1 attestation (1 Reviewed-by) · last on 2026-07-24

Recent patches

Most-recent 30 patches in this subsystem on stable (capped at 30), ordered by date desc.

• WARM1d Re: Linux 7.1.6
  2026-08-03 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• WARM1d Re: Linux 6.18.42
  2026-08-03 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 6.12.101
  2026-08-03 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 6.6.148
  2026-08-03 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• WARM3d [PATCH] misc: ibmasm: Remove obsolete IBM Remote Supervisor Adapter driver
  2026-08-01 · Mingyu Wang <hidden>
• DORMANTno replies [PATCH v2] lkdtm/core: fix resource leaks on module init error path
  2026-07-30 · Jiangshan Yi <hidden>
• COOLING4d REVIEWED: 3 (3M) [PATCH v5 2/4] misc: fastrpc: don't publish fd before copy_to_user() succeeds
  2026-07-30 · Baineng Shou <hidden>
• COOLING4d REVIEWED: 3 (3M) [PATCH v5 2/4] misc: fastrpc: don't publish fd before copy_to_user() succeeds
  2026-07-30 · Baineng Shou <hidden>
• DORMANTno replies REVIEWED: 1 (0M) FAILED: patch "[PATCH] mei: bus: access mei_device under device_lock on cleanup" failed to apply to 6.1-stable tree
  2026-07-29 · <gregkh@linuxfoundation.org>
• DORMANTno replies REVIEWED: 1 (0M) [PATCH 5/5] misc: fastrpc: fix memory leak in fastrpc_channel_ctx_free
  2026-07-24 · srini@kernel.org
• COOLING11d REVIEWED: 1 (0M) [PATCH 3/5] misc: fastrpc: take fl->lock when moving mmaps on interrupted invoke
  2026-07-24 · srini@kernel.org
• COOLING11d Re: Linux 7.1.5
  2026-07-24 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 6.18.40
  2026-07-24 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 6.12.97
  2026-07-24 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COOLING11d Re: Linux 6.6.145
  2026-07-24 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 6.1.178
  2026-07-24 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 5.10.261
  2026-07-24 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 5.15.212
  2026-07-24 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• WARM1d [RFC PATCH 6.6.y 4/4] misc: ti-st: synchronize TTY teardown with transport removal
  2026-07-24 · Hongyan Xu <hidden>
• WARM1d [RFC PATCH 6.6.y 3/4] misc: ti-st: drain published users before transport removal
  2026-07-24 · Hongyan Xu <hidden>
• WARM1d [RFC PATCH 6.6.y 1/4] misc: ti-st: publish the transport only after probe succeeds
  2026-07-24 · Hongyan Xu <hidden>
• WARM1d [RFC PATCH 6.6.y 2/4] misc: ti-st: account published transport users
  2026-07-24 · Hongyan Xu <hidden>
• COOLING13d [PATCH v2] misc: vmc_vmci: Fix potential memory leak in vmci_event_subscribe()
  2026-07-22 · Abdun Nihaal <hidden>
• COOLING11d [PATCH 5.10 288/699] char: tlclk: fix use-after-free in tlclk_cleanup()
  2026-07-21 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COOLING13d [PATCH 5.15 383/843] char: tlclk: fix use-after-free in tlclk_cleanup()
  2026-07-21 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COOLING13d [PATCH 6.1 0488/1067] char: tlclk: fix use-after-free in tlclk_cleanup()
  2026-07-21 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COOLING6d [PATCH 6.6 0621/1266] char: tlclk: fix use-after-free in tlclk_cleanup()
  2026-07-21 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• WARM2d [PATCH 6.12 0441/1276] char: tlclk: fix use-after-free in tlclk_cleanup()
  2026-07-21 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• WARM2d [PATCH 6.12 0300/1276] virtio_console: read size from config space during device init
  2026-07-21 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COOLING13d [PATCH 7.1 0896/2077] sonypi: Check ACPI_COMPANION() against NULL at probe time
  2026-07-21 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Needs attention (review trailers in, no pickup)

Patches with review trailers that haven't landed in mainline and haven't been Acked by a maintainer. Oldest first.

• STALE159d REVIEWED: 1 (1M) [PATCH AUTOSEL 6.19-6.1] misc: bcm_vk: Fix possible null-pointer dereferences in bcm_vk_read()
  2026-02-19 · Sasha Levin <sashal@kernel.org> · 1 Reviewed-by
• STALE159d REVIEWED: 3 (3M) [PATCH AUTOSEL 6.19-6.18] misc: ti_fpc202: fix a potential memory leak in probe function
  2026-02-19 · Sasha Levin <sashal@kernel.org> · 1 Reviewed-by
• STALE146d REVIEWED: 1 (1M) [char-misc] mei: me: reduce the scope on unexpected reset
  2026-03-01 · Alexander Usyskin <alexander.usyskin@intel.com> · 1 Tested-by
• DORMANTno replies REVIEWED: 2 (1M) [PATCH v2] misc: amd-sbi: Address CPUID extended function bits
  2026-03-18 · Akshay Gupta <hidden> · 1 Reviewed-by, 1 Tested-by
• STALE118d REVIEWED: 1 (0M) FAILED: patch "[PATCH] misc: fastrpc: check qcom_scm_assign_mem() return in" failed to apply to 6.12-stable tree
  2026-04-08 · <gregkh@linuxfoundation.org> · 1 Reviewed-by
• DORMANTno replies REVIEWED: 1 (0M) [PATCH 6.12.y] misc: fastrpc: check qcom_scm_assign_mem() return in rpmsg_probe
  2026-04-08 · Sasha Levin <sashal@kernel.org> · 1 Reviewed-by
• STALE98d REVIEWED: 7 (7M) [PATCH 7.0.y 1/2] mei: me: use PCI_DEVICE_DATA macro
  2026-04-28 · Sasha Levin <sashal@kernel.org> · 1 Reviewed-by
• STALE98d REVIEWED: 7 (7M) [PATCH 6.18.y 1/2] mei: me: use PCI_DEVICE_DATA macro
  2026-04-28 · Sasha Levin <sashal@kernel.org> · 1 Reviewed-by
• COLD49d REVIEWED: 7 (7M) FAILED: patch "[PATCH] misc: fastrpc: Fix NULL pointer dereference in rpmsg callback" failed to apply to 6.1-stable tree
  2026-06-15 · <gregkh@linuxfoundation.org> · 1 Reviewed-by
• COLD49d REVIEWED: 7 (7M) FAILED: patch "[PATCH] misc: fastrpc: Fix NULL pointer dereference in rpmsg callback" failed to apply to 5.15-stable tree
  2026-06-15 · <gregkh@linuxfoundation.org> · 1 Reviewed-by

Quiet for 30+ days

Patches with no review trailers and no replies. Either the author is heads-down elsewhere or these slipped through. Oldest first.

• DORMANTno replies Re: Linux 6.12.64
  2026-01-08 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 6.1.160
  2026-01-11 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• STALE205d Re: Linux 6.6.120
  2026-01-11 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 6.12.65
  2026-01-11 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies [char-misc v3] mei: trace: treat reg parameter as string
  2026-01-11 · Alexander Usyskin <alexander.usyskin@intel.com>
• DORMANTno replies Re: Linux 6.1.161
  2026-01-17 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 6.6.121
  2026-01-17 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 6.12.66
  2026-01-17 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 6.18.6
  2026-01-17 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 5.15.198
  2026-01-19 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>