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38e6c9ae98dfd172b3fc72981f4f3e05d2724cf2
linux-nvgpu/drivers/gpu/nvgpu/os/linux
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Martin Radev 38e6c9ae98 gpu: nvgpu: Check for int overflow in MAPPING_MODIFY path 
The check `buffer_offset + buffer_size > mapped_buffer->size` can
be bypassed with a large `buffer_size`, and that may lead to some
corruption. This patch combines the bounds checks into a more
robust one.

Jira NVGPU-6374

Change-Id: I55c8664134e763c66715bf3492867bc73686b694
Signed-off-by: Martin Radev <mradev@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2504890
Reviewed-by: Scott Long <scottl@nvidia.com>
Reviewed-by: Alex Waterman <alexw@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: Gerrit_Virtual_Submit
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
2021-03-26 14:20:18 -07:00
..
sdl
gpu: nvgpu: use GPL license for linux code
2020-12-15 14:10:29 -06:00
vgpu
gpu: nvgpu: Add support for ELPG_MS feature
2021-03-18 15:29:06 -07:00
bsearch.c
gpu: nvgpu: use GPL license for linux code
2020-12-15 14:10:29 -06:00
cde_gm20b.c
gpu: nvgpu: use GPL license for linux code
2020-12-15 14:10:29 -06:00
cde_gm20b.h
gpu: nvgpu: use GPL license for linux code
2020-12-15 14:10:29 -06:00
cde_gp10b.c
gpu: nvgpu: use GPL license for linux code
2020-12-15 14:10:29 -06:00
cde_gp10b.h
gpu: nvgpu: use GPL license for linux code
2020-12-15 14:10:29 -06:00
cde.c
gpu: nvgpu: Add support for Linux v5.11
2021-01-13 22:36:14 -08:00
cde.h
gpu: nvgpu: add user fence type
2020-12-15 14:13:28 -06:00
channel.h
gpu: nvgpu: return instance specific max subctx count
2020-12-15 14:13:48 -06:00
clk.c
gpu: nvgpu: cond. compilation of tegra dvfs code
2020-12-15 14:13:28 -06:00
clk.h
gpu: nvgpu: Move Linux files away from common
2018-06-15 17:47:31 -07:00
comptags.c
gpu: nvgpu: avoid using priv data for non-compressed buffer
2020-12-15 14:13:28 -06:00
cond.c
gpu: nvgpu: nvgpu_cond_signal to return void
2019-01-31 12:04:10 -08:00
debug_allocator.c
gpu: nvgpu: Move Linux files away from common
2018-06-15 17:47:31 -07:00
debug_allocator.h
gpu: nvgpu: Move Linux files away from common
2018-06-15 17:47:31 -07:00
debug_bios.c
nvgpu: gpu: include qnx_init unit in doxygen documentation
2020-12-15 14:05:52 -06:00
debug_bios.h
gpu: nvgpu: add bios debugfs node
2018-06-27 07:30:06 -07:00
debug_cde.c
gpu: nvgpu: Move Linux files away from common
2018-06-15 17:47:31 -07:00
debug_cde.h
gpu: nvgpu: Move Linux files away from common
2018-06-15 17:47:31 -07:00
debug_ce.c
gpu: nvgpu: prepare ce_app.h header
2020-12-15 14:10:29 -06:00
debug_ce.h
gpu: nvgpu: move ce code to common/ce and hal/ce
2019-04-19 13:55:11 -07:00
debug_clk_gm20b.c
gpu: nvgpu: debug: remove unused dentry pointers
2020-12-15 14:13:28 -06:00
debug_clk_gm20b.h
gpu: nvgpu: move gm20b clk debugfs to linux
2018-09-05 04:51:40 -07:00
debug_clk_tu104.c
gpu: nvgpu: Boardobj lite unit refactor
2020-12-15 14:13:28 -06:00
debug_clk_tu104.h
gpu: nvgpu: Initialize clk counters for dGPU clocks
2019-07-26 04:07:01 -07:00
debug_fecs_trace.c
gpu: nvgpu: remove cap checks from fifo_sched & ctxsw_ring debugfs open
2020-12-15 14:13:28 -06:00
debug_fecs_trace.h
gpu: nvgpu: rename feature Make and C flags
2019-06-11 09:46:24 -07:00
debug_fifo.c
gpu: nvgpu: Rename struct nvgpu_runlist_info, fields in fifo
2021-01-20 21:56:33 -08:00
debug_fifo.h
gpu: nvgpu: Add a generic profiler
2020-12-15 14:13:28 -06:00
debug_gr.c
gpu: nvgpu: linux: check whether hal initialized for gr_default_attrib_cb_size
2020-12-15 14:13:28 -06:00
debug_gr.h
gpu: nvgpu: Move Linux files away from common
2018-06-15 17:47:31 -07:00
debug_hal.c
gpu: nvgpu: Move Linux files away from common
2018-06-15 17:47:31 -07:00
debug_hal.h
gpu: nvgpu: Move Linux files away from common
2018-06-15 17:47:31 -07:00
debug_kmem.c
gpu: nvgpu: Fix LibC MISRA 17.7 in os/linux
2018-10-31 15:25:23 -07:00
debug_kmem.h
gpu: nvgpu: Move Linux files away from common
2018-06-15 17:47:31 -07:00
debug_ltc.c
nvgpu: gpu: include qnx_init unit in doxygen documentation
2020-12-15 14:05:52 -06:00
debug_ltc.h
gpu: nvgpu: debugfs node to enable/disable ltc_illegal_compstat intr
2018-07-24 16:10:58 -07:00
debug_pmgr.c
gpu: nvgpu: Split pmgr.h into private and public
2019-01-10 20:09:38 -08:00
debug_pmgr.h
gpu: nvgpu: move pmgr debugfs to linux
2018-09-05 04:51:50 -07:00
debug_pmu.c
nvgpu: vgpu: no debugfs entries that rely on PMU
2020-12-15 14:05:52 -06:00
debug_pmu.h
gpu: nvgpu: Move Linux files away from common
2018-06-15 17:47:31 -07:00
debug_s_param.c
gpu: nvgpu: Refactor Clock unit.
2020-12-15 14:13:28 -06:00
debug_s_param.h
gpu: nvgpu: Debugfs for S_param
2019-02-11 20:55:07 -08:00
debug_sched.c
gpu: nvgpu: add struct nvgpu_sched_ctrl to gk20a
2020-12-15 14:13:28 -06:00
debug_sched.h
gpu: nvgpu: Move Linux files away from common
2018-06-15 17:47:31 -07:00
debug_therm_tu104.c
gpu: nvgpu: Refactor Therm unit
2020-12-15 14:13:28 -06:00
debug_therm_tu104.h
gpu: nvgpu: Move from TSENSE to TSOSC for TU104
2019-06-13 23:05:43 -07:00
debug_volt.c
gpu: nvgpu: Segregate volt unit members based on their accessibility
2020-12-15 14:13:28 -06:00
debug_volt.h
gpu: nvgpu: Debugfs for Volt
2019-02-01 09:45:57 -08:00
debug_xve.c
gpu: nvgpu: Fix LibC MISRA 17.7 in os/linux
2018-10-31 15:25:23 -07:00
debug_xve.h
gpu: nvgpu: Move Linux files away from common
2018-06-15 17:47:31 -07:00
debug.c
gpu: nvgpu: Add a generic profiler
2020-12-15 14:13:28 -06:00
dmabuf_priv.c
gpu: nvgpu: avoid using priv data for non-compressed buffer
2020-12-15 14:13:28 -06:00
dmabuf_priv.h
gpu: nvgpu: avoid using priv data for non-compressed buffer
2020-12-15 14:13:28 -06:00
dmabuf_vidmem.c
gpu: nvgpu: alternative implementation of dma_buf_get/set_data
2020-12-15 14:13:28 -06:00
dmabuf_vidmem.h
gpu: nvgpu: add CONFIG_NVGPU_DMABUF_HAS_DRVDATA
2020-12-15 14:13:28 -06:00
driver_common.c
gpu: nvgpu: Add support for ELPG_MS feature
2021-03-18 15:29:06 -07:00
driver_common.h
gpu: nvgpu: remove interface names and static classes to create dev nodes
2020-12-15 14:13:28 -06:00
dt.c
gpu: nvgpu: Move Linux files away from common
2018-06-15 17:47:31 -07:00
ecc_sysfs.c
gpu: nvgpu: move header location of gk20a.h
2018-09-25 13:10:19 -07:00
fecs_trace_linux.c
gpu: nvgpu: add API to extract gk20a pointer from cdev
2020-12-15 14:13:28 -06:00
fecs_trace_linux.h
gpu: nvgpu: sim: make ring buffer independent of PAGE_SIZE
2020-12-15 14:13:28 -06:00
firmware.c
gpu: nvgpu: firmware: use u32 for flags
2019-02-20 23:05:04 -08:00
fuse.c
gpu: nvgpu: separate tegra fuse read from under CONFIG_NVGPU_TEGRA_FUSE
2020-12-15 14:13:28 -06:00
intr.c
gpu: nvgpu: Move interrupt ISR code to common
2021-03-25 02:34:57 -07:00
io_usermode.c
gpu: nvgpu: move usermode to hal/fifo
2019-04-16 13:04:27 -07:00
ioctl_as.c
gpu: nvgpu: add SUPPORT_MAPPING_MODIFY flags
2021-03-16 14:07:21 -07:00
ioctl_as.h
gpu: nvgpu: Move Linux files away from common
2018-06-15 17:47:31 -07:00
ioctl_channel.c
gpu: nvgpu: limit number of gpfifo entries
2021-02-18 17:29:17 -08:00
ioctl_channel.h
gpu: nvgpu: allocate object context for specific GR instance
2020-12-15 14:13:28 -06:00
ioctl_clk_arb.c
gpu: nvgpu: use READ_ONCE/WRITE_ONCE
2020-12-15 14:13:28 -06:00
ioctl_ctrl.c
gpu: nvgpu: add field in characteristics struct for max gpfifo entries
2021-03-19 10:09:44 -07:00
ioctl_ctrl.h
gpu: nvgpu: provide usermode region via mmap
2018-10-29 08:04:25 -07:00
ioctl_dbg.c
gpu: nvgpu: add dynamic allowlist support
2021-01-05 12:38:06 -08:00
ioctl_dbg.h
gpu: nvgpu: add profiler api to execute regops
2020-12-15 14:13:28 -06:00
ioctl_prof.c
gpu: nvgpu: Add support for Linux v5.11
2021-01-13 22:36:14 -08:00
ioctl_prof.h
gpu: nvgpu: create device/context profiler dev nodes
2020-12-15 14:13:28 -06:00
ioctl_tsg.c
gpu: nvgpu: add ioctl to configure l2 max_ways_evict_last
2021-03-12 04:36:22 -08:00
ioctl_tsg.h
gpu: nvgpu: use instance specific max subctx count
2020-12-15 14:13:48 -06:00
ioctl.c
gpu: nvgpu: expose V2 device node hierarchy
2021-03-02 19:30:59 -08:00
ioctl.h
gpu: nvgpu: add API to extract gk20a pointer from cdev
2020-12-15 14:13:28 -06:00
kmem_priv.h
gpu: nvgpu: MISRA 14.4 boolean fixes
2018-11-07 10:35:13 -08:00
kmem.c
gpu: nvgpu: sim: make ring buffer independent of PAGE_SIZE
2020-12-15 14:13:28 -06:00
linux-channel.c
gpu: nvgpu: Add support for Linux v5.11
2021-01-13 22:36:14 -08:00
linux-dma.c
gpu: nvgpu: sim: make ring buffer independent of PAGE_SIZE
2020-12-15 14:13:28 -06:00
linux-io.c
Revert "gpu: nvgpu: modify nvgpu_writel check and loop"
2020-12-15 14:13:28 -06:00
log.c
gpu: nvgpu: Fix logging for pre-4.14 kernels
2020-12-15 14:13:28 -06:00
module_usermode.c
gpu: nvgpu: fixes for tu104 usermode register write
2020-12-15 14:13:28 -06:00
module_usermode.h
gpu: nvgpu: Move Linux files away from common
2018-06-15 17:47:31 -07:00
module.c
gpu: nvgpu: linux: remove definition of ecc_sysfs_stats_htable
2021-03-25 14:08:18 -07:00
module.h
gpu: nvgpu: remove interface names and static classes to create dev nodes
2020-12-15 14:13:28 -06:00
nvgpu_mem.c
gpu: nvgpu: sim: make ring buffer independent of PAGE_SIZE
2020-12-15 14:13:28 -06:00
nvhost_common.c
gpu: nvgpu: Prepare for adding host1x support
2020-12-15 14:13:48 -06:00
nvhost_host1x.c
gpu: nvgpu: Add host1x support
2020-12-15 14:13:48 -06:00
nvhost_priv.h
gpu: nvgpu: Add abstraction layer for NVHost fence
2020-12-15 14:13:48 -06:00
nvhost.c
gpu: nvgpu: Add abstraction layer for NVHost fence
2020-12-15 14:13:48 -06:00
nvlink_probe.c
gpu: nvgpu: Hardcode nvlink speed to 20G
2020-12-15 14:13:28 -06:00
nvlink.c
gpu: nvgpu: Fix compile issue when enabling Nvlink
2020-12-15 14:13:28 -06:00
nvlink.h
gpu: nvgpu: shutdown nvlink in driver remove
2018-07-26 00:06:07 -07:00
os_fence_android_sema.c
gpu: nvgpu: add dup to os fence ops
2020-12-15 14:13:28 -06:00
os_fence_android.c
gpu: nvgpu: add dup to os fence ops
2020-12-15 14:13:28 -06:00
os_fence_dma_sema.c
gpu: nvgpu: add dup to os fence ops
2020-12-15 14:13:28 -06:00
os_fence_dma.c
gpu: nvgpu: add dup to os fence ops
2020-12-15 14:13:28 -06:00
os_fence_priv.h
gpu: nvgpu: make os_fence_android_syncpt common
2020-12-15 14:13:28 -06:00
os_fence_syncpt.c
gpu: nvgpu: Add host1x support
2020-12-15 14:13:48 -06:00
os_linux.h
gpu: nvgpu: linux: remove definition of ecc_sysfs_stats_htable
2021-03-25 14:08:18 -07:00
os_ops_gm20b.c
gpu: nvgpu: fecs ctxsw trace for gm20b
2019-04-22 05:25:48 -07:00
os_ops_gm20b.h
gpu: nvgpu: linux: move os ops to a common file
2018-08-29 20:34:34 -07:00
os_ops_gp10b.c
gpu: nvgpu: move fecs trace debugfs to linux
2018-09-09 17:22:24 -07:00
os_ops_gp10b.h
gpu: nvgpu: linux: move os ops to a common file
2018-08-29 20:34:34 -07:00
os_ops_gv11b.c
gpu: nvgpu: move fecs trace debugfs to linux
2018-09-09 17:22:24 -07:00
os_ops_gv11b.h
gpu: nvgpu: move fecs trace debugfs to linux
2018-09-09 17:22:24 -07:00
os_ops_gv100.c
gpu: nvgpu: Initialize clk counters for dGPU clocks
2019-07-26 04:07:01 -07:00
os_ops_gv100.h
gpu: nvgpu: move gp106 clk debugfs to linux
2018-09-05 04:51:36 -07:00
os_ops_tu104.c
gpu: nvgpu: Initialize clk counters for dGPU clocks
2019-07-26 04:07:01 -07:00
os_ops_tu104.h
gpu: nvgpu: Remove the GPU-NEXT conditional
2018-11-08 19:35:09 -08:00
os_ops.c
gpu: nvgpu: update the config options & makefile
2020-12-15 14:13:28 -06:00
os_ops.h
gpu: nvgpu: linux: move os ops to a common file
2018-08-29 20:34:34 -07:00
os_sched.c
gpu: nvgpu: Fix MISRA 21.2 violations in log.h
2019-05-15 22:29:40 -07:00
pci_power.c
gpu: nvgpu: sim: make ring buffer independent of PAGE_SIZE
2020-12-15 14:13:28 -06:00
pci_power.h
gpu: nvgpu: add interface to power on-off gpu
2018-10-12 17:35:10 +05:30
pci.c
gpu: nvgpu: linux: remove definition of ecc_sysfs_stats_htable
2021-03-25 14:08:18 -07:00
pci.h
gpu: nvgpu: s/CONFIG_GK20A_PCI/CONFIG_NVGPU_DGPU
2020-12-15 14:13:28 -06:00
platform_gk20a_tegra.c
gpu: nvgpu: Add support for ELPG_MS feature
2021-03-18 15:29:06 -07:00
platform_gk20a_tegra.h
gpu: nvgpu: Move Linux files away from common
2018-06-15 17:47:31 -07:00
platform_gk20a.h
gpu: nvgpu: Add support for ELPG_MS feature
2021-03-18 15:29:06 -07:00
platform_gp10b_tegra.c
gpu: nvgpu: Add support for ELPG_MS feature
2021-03-18 15:29:06 -07:00
platform_gp10b.h
gpu: nvgpu: add fuse clock support
2020-12-15 14:13:28 -06:00
platform_gv11b_tegra.c
gpu: nvgpu: Add support for ELPG_MS feature
2021-03-18 15:29:06 -07:00
rwsem.c
gpu: nvgpu: Move Linux files away from common
2018-06-15 17:47:31 -07:00
scale.c
gpu: nvgpu: enable CONFIG_GK20A_DEVFREQ for k5.9
2020-12-15 14:13:28 -06:00
scale.h
gpu: nvgpu: Move Linux files away from common
2018-06-15 17:47:31 -07:00
sched.c
gpu: nvgpu: add API to extract gk20a pointer from cdev
2020-12-15 14:13:28 -06:00
sched.h
gpu: nvgpu: add struct nvgpu_sched_ctrl to gk20a
2020-12-15 14:13:28 -06:00
sim_pci.c
gpu: nvgpu: rmmod support in dgpu simulation
2019-08-21 23:38:56 -07:00
sim.c
gpu: nvgpu: move header location of gk20a.h
2018-09-25 13:10:19 -07:00
soc.c
gpu: nvgpu: remove ipa to pa conversion WAR
2021-02-03 13:54:45 -08:00
swprofile_debugfs.c
gpu: nvgpu: Add basic stats to profiler
2020-12-15 14:13:28 -06:00
swprofile_debugfs.h
gpu: nvgpu: Use correct GPL for swprofile_debugfs.[ch]
2020-12-15 14:13:28 -06:00
sync_sema_android.c
gpu: nvgpu: rename tsg_gk20a and channel_gk20a structs
2019-05-06 02:56:53 -07:00
sync_sema_android.h
gpu: nvgpu: add dma_fence semaphore support
2020-12-15 14:13:28 -06:00
sync_sema_dma.c
gpu: nvgpu: add dma_fence semaphore support
2020-12-15 14:13:28 -06:00
sync_sema_dma.h
gpu: nvgpu: add dma_fence semaphore support
2020-12-15 14:13:28 -06:00
sysfs.c
gpu: nvgpu: do_idle/unidle handling with runtime PM after probe
2020-12-15 14:13:48 -06:00
sysfs.h
gpu: nvgpu: Move Linux files away from common
2018-06-15 17:47:31 -07:00
thread.c
gpu: nvgpu: fix race for nvgpu_thread_stop
2020-12-15 14:10:29 -06:00
timers.c
gpu: nvgpu: move timer functions from soc files
2020-12-15 14:13:28 -06:00
vm.c
gpu: nvgpu: Check for int overflow in MAPPING_MODIFY path
2021-03-26 14:20:18 -07:00
vpr.c
gpu: nvgpu: use vpr resize enabled API
2019-08-28 14:24:19 -07:00