mirror of
git://nv-tegra.nvidia.com/linux-nv-oot.git
synced 2025-12-22 09:11:26 +03:00
f6227e9c57
Passing zero size to dma_alloc API is causing below crash. Added check on requested size before sending request to dma layer. [ 4178.581558] sg_alloc_append_table_from_pages+0x28c/0x480 [ 4178.581790] sg_alloc_table_from_pages_segment+0x40/0xb0 [ 4178.582009] __iommu_dma_alloc_noncontiguous.isra.0+0x244/0x3a0 [ 4178.582258] iommu_dma_alloc+0x280/0x3b0 [ 4178.582424] dma_alloc_attrs+0xf8/0x110 [ 4178.582588] tegra_hv_vse_get_db+0x76c/0x70e0 [tegra_hv_vse_safety] [ 4178.582850] hash_sendmsg+0xa8/0x290 [ 4178.583001] sock_sendmsg+0x68/0x90 [ 4178.583146] __sys_sendto+0xf0/0x170 [ 4178.583298] __arm64_sys_sendto+0x38/0x60 [ 4178.583466] invoke_syscall+0x5c/0x150 [ 4178.583628] el0_svc_common.constprop.0+0x100/0x120 [ 4178.583829] do_el0_svc+0x3c/0xb0 [ 4178.583966] el0_svc+0x20/0x70 [ 4178.584098] el0t_64_sync_handler+0xc0/0xd0 [ 4178.584270] el0t_64_sync+0x1a4/0x1a8 Bug 4259208 Change-Id: I134bc84e7b5cbda7db4ed7dbcad4e1c6955429d8 Signed-off-by: Manish Bhardwaj <mbhardwaj@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/2983402 Reviewed-by: Ashutosh Patel <ashutoshp@nvidia.com> Reviewed-by: Vipin Kumar <vipink@nvidia.com> Reviewed-by: Suresh Venkatachalam <skathirampat@nvidia.com> GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>