Re: [PATCH] kernel: resourse: Add conditional handling for ACPI device

[kernel test robot <oliver.sang@intel.com>]

Hello,

kernel test robot noticed "BUG:sleeping_function_called_from_invalid_context_at_include/linux/sched/mm.h" on:

commit: 871e73eea694be4705a5e3ebc9119e6c76c7b246 ("[PATCH] kernel: resourse: Add conditional handling for ACPI device")
url: https://github.com/intel-lab-lkp/linux/commits/Szuying-Chen/kernel-resourse-Add-conditional-handling-for-ACPI-device/20251017-103749
base: https://git.kernel.org/cgit/linux/kernel/git/akpm/mm.git mm-everything
patch link: https://lore.kernel.org/all/20251017023531.5616-1-Chloe_Chen@asmedia.com.tw/
patch subject: [PATCH] kernel: resourse: Add conditional handling for ACPI device

in testcase: boot

config: i386-randconfig-141-20251019
compiler: gcc-14
test machine: qemu-system-i386 -enable-kvm -cpu SandyBridge -smp 2 -m 4G

(please refer to attached dmesg/kmsg for entire log/backtrace)


+-------------------------------------------------------------------------------+------------+------------+
|                                                                               | 4d30e94233 | 871e73eea6 |
+-------------------------------------------------------------------------------+------------+------------+
| BUG:sleeping_function_called_from_invalid_context_at_include/linux/sched/mm.h | 0          | 12         |
+-------------------------------------------------------------------------------+------------+------------+


If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <oliver.sang@intel.com>
| Closes: https://lore.kernel.org/oe-lkp/202510201616.6e6b62a1-lkp@intel.com


[    0.605114][    T1] BUG: sleeping function called from invalid context at include/linux/sched/mm.h:323
[    0.606472][    T1] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 1, name: swapper/0
[    0.607674][    T1] preempt_count: 1, expected: 0
[    0.608383][    T1] 2 locks held by swapper/0/1:
[    0.609070][    T1]  #0: 82a715b8 (acpi_scan_lock){+.+.}-{4:4}, at: acpi_scan_init (drivers/acpi/scan.c:2748)
[    0.609944][    T1]  #1: 82686c74 (resource_lock){++++}-{3:3}, at: insert_resource_conflict (kernel/resource.c:960)
[    0.611267][    T1] CPU: 1 UID: 0 PID: 1 Comm: swapper/0 Not tainted 6.18.0-rc1-00168-g871e73eea694 #1 NONE  6a82e794814861a45fb7fec961bde07e21f033c5
[    0.611273][    T1] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[    0.611275][    T1] Call Trace:
[    0.611277][    T1]  ? show_stack (arch/x86/kernel/dumpstack.c:319)
[    0.611285][    T1]  dump_stack_lvl (lib/dump_stack.c:122)
[    0.611290][    T1]  dump_stack (lib/dump_stack.c:130)
[    0.611293][    T1]  __might_resched.cold (kernel/sched/core.c:8926)
[    0.611297][    T1]  __might_sleep (kernel/sched/core.c:8855)
[    0.611303][    T1]  __kmalloc_node_track_caller_noprof (include/linux/sched/mm.h:323 (discriminator 1) mm/slub.c:4906 (discriminator 1) mm/slub.c:5241 (discriminator 1) mm/slub.c:5626 (discriminator 1) mm/slub.c:5736 (discriminator 1))
[    0.611310][    T1]  kstrdup (mm/util.c:64 (discriminator 2) mm/util.c:84 (discriminator 2))
[    0.611314][    T1]  ? __request_resource (kernel/resource.c:187 kernel/resource.c:226)
[    0.611319][    T1]  __request_resource (kernel/resource.c:187 kernel/resource.c:226)
[    0.611321][    T1]  ? insert_resource_conflict (kernel/resource.c:960)
[    0.611325][    T1]  __insert_resource (kernel/resource.c:896)
[    0.611330][    T1]  insert_resource_conflict (kernel/resource.c:960)
[    0.611333][    T1]  acpi_pci_root_create (drivers/acpi/pci_root.c:952 drivers/acpi/pci_root.c:1023)
[    0.611342][    T1]  pci_acpi_scan_root (arch/x86/pci/acpi.c:582)
[    0.611350][    T1]  acpi_pci_root_add.cold (drivers/acpi/pci_root.c:729)
[    0.611359][    T1]  acpi_bus_attach (drivers/acpi/scan.c:2261 drivers/acpi/scan.c:2309)
[    0.611365][    T1]  ? sb_notify_work (drivers/acpi/bus.c:1142)
[    0.611368][    T1]  acpi_dev_for_one_check (drivers/acpi/bus.c:1146)
[    0.611371][    T1]  device_for_each_child (drivers/base/core.c:4017)
[    0.611378][    T1]  acpi_dev_for_each_child (drivers/acpi/bus.c:1158)
[    0.611381][    T1]  ? get_acpi_device (drivers/acpi/scan.c:2274)
[    0.611384][    T1]  acpi_bus_attach (drivers/acpi/scan.c:2331)
[    0.611389][    T1]  ? klist_next (lib/klist.c:403)
[    0.611392][    T1]  ? sb_notify_work (drivers/acpi/bus.c:1142)
[    0.611396][    T1]  acpi_dev_for_one_check (drivers/acpi/bus.c:1146)
[    0.611398][    T1]  device_for_each_child (drivers/base/core.c:4017)
[    0.611404][    T1]  acpi_dev_for_each_child (drivers/acpi/bus.c:1158)
[    0.611406][    T1]  ? get_acpi_device (drivers/acpi/scan.c:2274)
[    0.611410][    T1]  acpi_bus_attach (drivers/acpi/scan.c:2331)
[    0.611416][    T1]  acpi_bus_scan (drivers/acpi/scan.c:2541 drivers/acpi/scan.c:2614)
[    0.611422][    T1]  acpi_scan_init (drivers/acpi/scan.c:2748 (discriminator 1))
[    0.611425][    T1]  ? acpi_viot_early_init (drivers/acpi/viot.c:263)
[    0.611429][    T1]  acpi_init (drivers/acpi/bus.c:1470)
[    0.611431][    T1]  ? acpi_arch_init+0x4/0x4
[    0.611433][    T1]  ? acpi_arch_init+0x4/0x4
[    0.611435][    T1]  do_one_initcall (init/main.c:1283)
[    0.611444][    T1]  ? do_initcalls (init/main.c:1343 init/main.c:1361)
[    0.611449][    T1]  do_initcalls (init/main.c:1344 (discriminator 3) init/main.c:1361 (discriminator 3))
[    0.611454][    T1]  kernel_init_freeable (init/main.c:1597)
[    0.611457][    T1]  ? rest_init (init/main.c:1475)
[    0.611461][    T1]  kernel_init (init/main.c:1485)
[    0.611464][    T1]  ret_from_fork (arch/x86/kernel/process.c:164)
[    0.611466][    T1]  ? rest_init (init/main.c:1475)
[    0.611470][    T1]  ret_from_fork_asm (arch/x86/entry/entry_32.S:737)
[    0.611473][    T1]  entry_INT80_32 (arch/x86/entry/entry_32.S:945)


The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20251020/202510201616.6e6b62a1-lkp@intel.com



-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki