------------[ cut here ]------------ WARNING: CPU: 1 PID: 6427 at kernel/workqueue.c:2257 current_wq_worker kernel/workqueue_internal.h:69 [inline] WARNING: CPU: 1 PID: 6427 at kernel/workqueue.c:2257 is_chained_work kernel/workqueue.c:2199 [inline] WARNING: CPU: 1 PID: 6427 at kernel/workqueue.c:2257 __queue_work+0xe50/0x1308 kernel/workqueue.c:2256 Modules linked in: CPU: 1 UID: 0 PID: 6427 Comm: syz-executor Not tainted 6.13.0-rc3-syzkaller-g573067a5a685 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 pstate: 404000c5 (nZcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __queue_work+0xe50/0x1308 kernel/workqueue_internal.h:69 lr : current_wq_worker kernel/workqueue_internal.h:69 [inline] lr : is_chained_work kernel/workqueue.c:2199 [inline] lr : __queue_work+0xe50/0x1308 kernel/workqueue.c:2256 sp : ffff800080017b40 x29: ffff800080017b90 x28: dfff800000000000 x27: ffff700010002f88 x26: dfff800000000000 x25: ffff0000d8b74000 x24: 0000000000000008 x23: 1fffe00018dcfb59 x22: ffff0000d8b741c0 x21: 0000000000000100 x20: ffff0000c6e7dac0 x19: ffff0000de02c930 x18: 1fffe00036700a7e x17: ffff800123f1a000 x16: ffff800083275834 x15: 0000000000000002 x14: 1ffff00011f340ca x13: dfff800000000000 x12: 00000000f5f4fa2d x11: 00000000db66a0e2 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000c6e7dac0 x7 : ffff800080585750 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff80008df83760 x2 : ffff0000de02c930 x1 : 0000000000000100 x0 : 0000000000000000 Call trace: current_wq_worker kernel/workqueue_internal.h:69 [inline] (P) is_chained_work kernel/workqueue.c:2199 [inline] (P) __queue_work+0xe50/0x1308 kernel/workqueue.c:2256 (P) delayed_work_timer_fn+0x74/0x90 kernel/workqueue.c:2485 call_timer_fn+0x1b4/0x8b8 kernel/time/timer.c:1793 expire_timers kernel/time/timer.c:1839 [inline] __run_timers kernel/time/timer.c:2418 [inline] __run_timer_base+0x59c/0x7b4 kernel/time/timer.c:2430 run_timer_base kernel/time/timer.c:2439 [inline] run_timer_softirq+0xcc/0x194 kernel/time/timer.c:2449 handle_softirqs+0x320/0xd34 kernel/softirq.c:561 __do_softirq+0x14/0x20 kernel/softirq.c:595 ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:81 call_on_irq_stack+0x24/0x4c arch/arm64/kernel/entry.S:891 do_softirq_own_stack+0x20/0x2c arch/arm64/kernel/irq.c:86 invoke_softirq kernel/softirq.c:442 [inline] __irq_exit_rcu+0x1d8/0x544 kernel/softirq.c:662 irq_exit_rcu+0x14/0x84 kernel/softirq.c:678 __el1_irq arch/arm64/kernel/entry-common.c:561 [inline] el1_interrupt+0x38/0x68 arch/arm64/kernel/entry-common.c:575 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:580 el1h_64_irq+0x6c/0x70 arch/arm64/kernel/entry.S:596 __preempt_count_dec_and_test arch/arm64/include/asm/preempt.h:62 [inline] (P) percpu_ref_get_many+0xf0/0x24c include/linux/percpu-refcount.h:205 (P) percpu_ref_get include/linux/percpu-refcount.h:222 [inline] obj_cgroup_get include/linux/memcontrol.h:768 [inline] __memcg_slab_post_alloc_hook+0x3f0/0x6bc mm/memcontrol.c:3011 memcg_slab_post_alloc_hook mm/slub.c:2152 [inline] slab_post_alloc_hook mm/slub.c:4129 [inline] slab_alloc_node mm/slub.c:4168 [inline] kmem_cache_alloc_noprof+0x320/0x410 mm/slub.c:4175 anon_vma_chain_alloc mm/rmap.c:142 [inline] anon_vma_clone+0x9c/0x468 mm/rmap.c:288 anon_vma_fork+0x80/0x478 mm/rmap.c:351 dup_mmap kernel/fork.c:714 [inline] dup_mm kernel/fork.c:1695 [inline] copy_mm+0xa54/0x1a80 kernel/fork.c:1744 copy_process+0x1568/0x3250 kernel/fork.c:2395 kernel_clone+0x1d8/0x82c kernel/fork.c:2807 __do_sys_clone kernel/fork.c:2950 [inline] __se_sys_clone kernel/fork.c:2918 [inline] __arm64_sys_clone+0x1f8/0x24c kernel/fork.c:2918 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 irq event stamp: 146759 hardirqs last enabled at (146758): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:85 [inline] hardirqs last enabled at (146758): [] exit_to_kernel_mode+0xdc/0x10c arch/arm64/kernel/entry-common.c:95 hardirqs last disabled at (146759): [] __raw_spin_lock_irq include/linux/spinlock_api_smp.h:117 [inline] hardirqs last disabled at (146759): [] _raw_spin_lock_irq+0x28/0x70 kernel/locking/spinlock.c:170 softirqs last enabled at (145098): [] softirq_handle_end kernel/softirq.c:407 [inline] softirqs last enabled at (145098): [] handle_softirqs+0xb44/0xd34 kernel/softirq.c:589 softirqs last disabled at (146755): [] __do_softirq+0x14/0x20 kernel/softirq.c:595 ---[ end trace 0000000000000000 ]---