** Description changed: - memory leak on Spark which is visible right after boot: - root@localhost:/sys/kernel/debug# cat kmemleak + memory leak on Spark which is visible right after boot: + root@localhost:/sys/kernel/debug# cat kmemleak unreferenced object 0xffff40ec0430e760 (size 32): - comm "swapper/0", pid 1, jiffies 4294667675 - hex dump (first 32 bytes): - 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ - 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ - backtrace (crc f1da05aa): - kmemleak_alloc+0xe4/0x128 - __kmalloc_noprof+0x2b0/0x4b8 - acpi_ut_initialize_buffer+0xbc/0x108 - acpi_evaluate_object+0x31c/0x368 - acpi_evaluate_dsm+0xc0/0x170 - pci_acpi_preserve_config+0x88/0xf8 - pci_register_host_bridge+0x2dc/0x5a8 - pci_create_root_bus+0x90/0xe8 - acpi_pci_root_create+0x174/0x2d0 - pci_acpi_scan_root+0x198/0x2d0 - acpi_pci_root_add+0x1a0/0x370 - acpi_bus_attach+0x1f4/0x378 - acpi_dev_for_one_check+0x54/0x80 - device_for_each_child+0x70/0xe8 - acpi_dev_for_each_child+0x4c/0xa0 - acpi_bus_attach+0x26c/0x378 + comm "swapper/0", pid 1, jiffies 4294667675 + hex dump (first 32 bytes): + 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ + 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ + backtrace (crc f1da05aa): + kmemleak_alloc+0xe4/0x128 + __kmalloc_noprof+0x2b0/0x4b8 + acpi_ut_initialize_buffer+0xbc/0x108 + acpi_evaluate_object+0x31c/0x368 + acpi_evaluate_dsm+0xc0/0x170 + pci_acpi_preserve_config+0x88/0xf8 + pci_register_host_bridge+0x2dc/0x5a8 + pci_create_root_bus+0x90/0xe8 + acpi_pci_root_create+0x174/0x2d0 + pci_acpi_scan_root+0x198/0x2d0 + acpi_pci_root_add+0x1a0/0x370 + acpi_bus_attach+0x1f4/0x378 + acpi_dev_for_one_check+0x54/0x80 + device_for_each_child+0x70/0xe8 + acpi_dev_for_each_child+0x4c/0xa0 + acpi_bus_attach+0x26c/0x378 Upstream fix was introduced with https://lore.kernel.org/linux- pci/20250825223731.GA808746@bhelgaas/T/#t - While working on it, I also realized we are missing: + While working on it, I also realized we are missing: 1f2768b6a3ee7 PCI: Fix reference leak in pci_alloc_child_bus() 804443c1f2788 PCI: Fix reference leak in pci_register_host_bridge() - We should have above as well + We should have above as well. Let me know what do you think about the last two patches and if those can be included separately from this
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2121451 Title: backport: "ACPI/PCI: Fix memory leak fix in pci_acpi_preserve_config" To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-nvidia-6.11/+bug/2121451/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
