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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Hello, kernel test robot noticed "BUG:sleeping_function_called_from_invalid_context_at_include/linux/sched/mm.h" on: commit: 2041864a22d4f4e900d0a3def4985432a21d8e6d ("maple_tree: use mas_node_count_gfp() in mas_expected_entries()") https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git master [test failed on linux-next/master 940fcc189c51032dd0282cbee4497542c982ac59] in testcase: boot compiler: gcc-9 test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -m 16G (please refer to attached dmesg/kmsg for entire log/backtrace) 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/202309242123.7ebe65b5-oliver.sang@intel.com [ 113.582828][ T1] BUG: sleeping function called from invalid context at include/linux/sched/mm.h:306 [ 113.583602][ T1] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 1, name: swapper/0 [ 113.584246][ T1] preempt_count: 1, expected: 0 [ 113.584613][ T1] RCU nest depth: 0, expected: 0 [ 113.584983][ T1] 1 lock held by swapper/0/1: [ 113.585344][ T1] #0: ffffc9000001fc10 (&mt->ma_lock){+.+.}-{2:2}, at: check_forking+0x1e0/0x5c0 [ 113.586160][ T1] CPU: 1 PID: 1 Comm: swapper/0 Tainted: G TN 6.6.0-rc2-00018-g2041864a22d4 #1 [ 113.586924][ T1] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 [ 113.587701][ T1] Call Trace: [ 113.587949][ T1] [ 113.588172][ T1] dump_stack_lvl (lib/dump_stack.c:107) [ 113.588540][ T1] dump_stack (lib/dump_stack.c:114) [ 113.588668][ T1] __might_resched (kernel/sched/core.c:10188) [ 113.588668][ T1] __might_sleep (kernel/sched/core.c:10117 (discriminator 17)) [ 113.588668][ T1] kmem_cache_alloc (include/linux/kernel.h:112 include/linux/sched/mm.h:306 mm/slab.h:709 mm/slub.c:3460 mm/slub.c:3486 mm/slub.c:3493 mm/slub.c:3502) [ 113.588668][ T1] ? mas_alloc_nodes (lib/maple_tree.c:160 lib/maple_tree.c:1249) [ 113.588668][ T1] mas_alloc_nodes (lib/maple_tree.c:160 lib/maple_tree.c:1249) [ 113.588668][ T1] mas_node_count_gfp (lib/maple_tree.c:1331) [ 113.588668][ T1] mas_expected_entries (lib/maple_tree.c:5580) [ 113.588668][ T1] check_forking+0x205/0x5c0 [ 113.588668][ T1] ? check_mas_store_gfp+0x580/0x580 [ 113.588668][ T1] ? mt_destroy_walk (lib/maple_tree.c:5273) [ 113.588668][ T1] ? mtree_destroy (lib/maple_tree.c:6392) [ 113.588668][ T1] ? lock_downgrade (kernel/locking/lockdep.c:5761) [ 113.588668][ T1] ? __raw_spin_lock_init (kernel/locking/spinlock_debug.c:26) [ 113.588668][ T1] maple_tree_seed (lib/test_maple_tree.c:3584) [ 113.588668][ T1] ? check_empty_area_window+0x3000/0x3000 [ 113.588668][ T1] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:63 (discriminator 22)) [ 113.588668][ T1] ? write_comp_data (kernel/kcov.c:236) [ 113.588668][ T1] ? check_empty_area_window+0x3000/0x3000 [ 113.588668][ T1] do_one_initcall (init/main.c:1232) [ 113.588668][ T1] ? trace_event_raw_event_initcall_level (init/main.c:1223) [ 113.588668][ T1] ? parameq (kernel/params.c:171) [ 113.588668][ T1] ? __kasan_kmalloc (mm/kasan/common.c:384) [ 113.588668][ T1] kernel_init_freeable (init/main.c:1293 init/main.c:1310 init/main.c:1329 init/main.c:1547) [ 113.588668][ T1] ? rest_init (init/main.c:1429) [ 113.588668][ T1] kernel_init (init/main.c:1439) [ 113.588668][ T1] ? rest_init (init/main.c:1429) [ 113.588668][ T1] ret_from_fork (arch/x86/kernel/process.c:153) [ 113.588668][ T1] ? rest_init (init/main.c:1429) [ 113.588668][ T1] ret_from_fork_asm (arch/x86/entry/entry_64.S:312) [ 113.588668][ T1] The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20230924/202309242123.7ebe65b5-oliver.sang@intel.com -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki