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X-MS-Exchange-Transport-CrossTenantHeadersStamped: LV3PR11MB8482 X-OriginatorOrg: intel.com Hello, kernel test robot noticed "BUG:sleeping_function_called_from_invalid_context_at_include/linux/sched/mm.h" on: commit: 85f3f9e1bca4488dcf0032c11c2d0b59352971a0 ("[PATCH] resource: use kstrdup_const to prevent wild pointer issues") url: https://github.com/intel-lab-lkp/linux/commits/kingdix10-qq-com/resource-use-kstrdup_const-to-prevent-wild-pointer-issues/20250101-215639 base: https://git.kernel.org/cgit/linux/kernel/git/akpm/mm.git mm-everything patch link: https://lore.kernel.org/all/tencent_3BD5C192A0E62121DE44D1A05A9C9ECB7C06@qq.com/ patch subject: [PATCH] resource: use kstrdup_const to prevent wild pointer issues in testcase: boot config: x86_64-randconfig-161-20250102 compiler: gcc-12 test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -m 16G (please refer to attached dmesg/kmsg for entire log/backtrace) +-------------------------------------------------------------------------------+------------+------------+ | | d77847ea04 | 85f3f9e1bc | +-------------------------------------------------------------------------------+------------+------------+ | BUG:sleeping_function_called_from_invalid_context_at_include/linux/sched/mm.h | 0 | 18 | +-------------------------------------------------------------------------------+------------+------------+ 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 | Closes: https://lore.kernel.org/oe-lkp/202501031658.51df654c-lkp@intel.com [ 24.398603][ T1] BUG: sleeping function called from invalid context at include/linux/sched/mm.h:321 [ 24.399830][ T1] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 1, name: swapper/0 [ 24.400487][ T1] preempt_count: 1, expected: 0 [ 24.400919][ T1] RCU nest depth: 0, expected: 0 [ 24.401295][ T1] 2 locks held by swapper/0/1: [ 24.401659][ T1] #0: ffff8881003600f0 (&dev->mutex){....}-{4:4}, at: __driver_attach (drivers/base/dd.c:1216 drivers/base/dd.c:1156) [ 24.402502][ T1] #1: ffffffff95689c58 (resource_lock){++++}-{3:3}, at: __request_region (kernel/resource.c:1264 kernel/resource.c:1330) [ 24.403255][ T1] CPU: 0 UID: 0 PID: 1 Comm: swapper/0 Tainted: G W T 6.13.0-rc4-00416-g85f3f9e1bca4 #2 [ 24.404161][ T1] Tainted: [W]=WARN, [T]=RANDSTRUCT [ 24.404599][ T1] Call Trace: [ 24.404862][ T1] [ 24.404862][ T1] dump_stack_lvl (lib/dump_stack.c:123) [ 24.404862][ T1] dump_stack (lib/dump_stack.c:130) [ 24.404862][ T1] __might_resched (kernel/sched/core.c:8767) [ 24.404862][ T1] slab_alloc_node+0x12d/0x1b0 [ 24.404862][ T1] ? kstrdup_const (mm/util.c:101) [ 24.404862][ T1] __kmalloc_node_track_caller_noprof (mm/slub.c:4293 mm/slub.c:4313) [ 24.404862][ T1] kstrdup (mm/util.c:61 mm/util.c:81) [ 24.404862][ T1] kstrdup_const (mm/util.c:101) [ 24.404862][ T1] __request_region (kernel/resource.c:1266 kernel/resource.c:1330) [ 24.404862][ T1] ? device_register (drivers/base/core.c:3748) [ 24.404862][ T1] ? wake_up_q (kernel/sched/core.c:7088) [ 24.404862][ T1] __parport_pc_probe_port (drivers/parport/parport_pc.c:2073) [ 24.404862][ T1] ? __dev_printk (drivers/base/core.c:4962) [ 24.404862][ T1] ? _dev_info (drivers/base/core.c:5004) [ 24.404862][ T1] ? pnp_device_probe (drivers/pnp/driver.c:95) [ 24.404862][ T1] parport_pc_pnp_probe (drivers/parport/parport_pc.c:2917) [ 24.404862][ T1] parport_pc_pnp_probe (drivers/parport/parport_pc.c:3039) [ 24.404862][ T1] pnp_device_probe (drivers/pnp/driver.c:111) [ 24.404862][ T1] really_probe (drivers/base/dd.c:579 drivers/base/dd.c:658) [ 24.404862][ T1] __driver_probe_device (drivers/base/dd.c:800) [ 24.404862][ T1] driver_probe_device (drivers/base/dd.c:830) [ 24.404862][ T1] __driver_attach (drivers/base/dd.c:1217 drivers/base/dd.c:1156) [ 24.404862][ T1] ? __device_attach_driver (drivers/base/dd.c:1157) [ 24.404862][ T1] bus_for_each_dev (drivers/base/bus.c:369) [ 24.404862][ T1] driver_attach (drivers/base/dd.c:1235) [ 24.404862][ T1] bus_add_driver (drivers/base/bus.c:675) [ 24.404862][ T1] driver_register (drivers/base/driver.c:246) [ 24.404862][ T1] pnp_register_driver (drivers/pnp/driver.c:281) [ 24.404862][ T1] parport_pc_find_ports (drivers/parport/parport_pc.c:3118) [ 24.404862][ T1] ? driver_register (drivers/base/driver.c:258) [ 24.404862][ T1] parport_pc_init (drivers/parport/parport_pc.c:3380) [ 24.404862][ T1] ? parport_pc_find_ports (drivers/parport/parport_pc.c:3354) [ 24.404862][ T1] do_one_initcall (init/main.c:1266) [ 24.404862][ T1] ? rcu_is_watching (arch/x86/include/asm/atomic.h:23 include/linux/atomic/atomic-arch-fallback.h:457 include/linux/context_tracking.h:128 kernel/rcu/tree.c:737) [ 24.404862][ T1] do_initcalls (init/main.c:1327 init/main.c:1344) [ 24.404862][ T1] ? rdinit_setup (init/main.c:1314) [ 24.404862][ T1] ? rest_init (init/main.c:1458) [ 24.404862][ T1] kernel_init_freeable (init/main.c:1581) [ 24.404862][ T1] kernel_init (init/main.c:1468) [ 24.404862][ T1] ret_from_fork (arch/x86/kernel/process.c:153) [ 24.404862][ T1] ? rest_init (init/main.c:1458) [ 24.404862][ T1] ret_from_fork_asm (arch/x86/entry/entry_64.S:254) [ 24.404862][ T1] The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20250103/202501031658.51df654c-lkp@intel.com -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki