watchdog: BUG: soft lockup - CPU#1 stuck for 23s! [syz-executor.2:6034]
Modules linked in:
irq event stamp: 12553481
hardirqs last  enabled at (12553480): [<ffff80008a65cde4>] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline]
hardirqs last  enabled at (12553480): [<ffff80008a65cde4>] _raw_spin_unlock_irq+0x30/0x80 kernel/locking/spinlock.c:202
hardirqs last disabled at (12553481): [<ffff80008a56e84c>] __el1_irq arch/arm64/kernel/entry-common.c:499 [inline]
hardirqs last disabled at (12553481): [<ffff80008a56e84c>] el1_interrupt+0x24/0x68 arch/arm64/kernel/entry-common.c:517
softirqs last  enabled at (12501530): [<ffff8000800218ec>] softirq_handle_end kernel/softirq.c:399 [inline]
softirqs last  enabled at (12501530): [<ffff8000800218ec>] __do_softirq+0xac0/0xd54 kernel/softirq.c:582
softirqs last disabled at (12501711): [<ffff80008002aad4>] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80
CPU: 1 PID: 6034 Comm: syz-executor.2 Not tainted 6.5.0-rc7-syzkaller-gfe4469582053 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : pie_calculate_probability+0x5f0/0x7bc net/sched/sch_pie.c:417
lr : pie_calculate_probability+0x5c0/0x7bc net/sched/sch_pie.c:416
sp : ffff800080017b40
x29: ffff800080017b70 x28: 1fffe0001bc9c35a x27: 0000000000000d87
x26: 000000000005eae4 x25: 1fffe0001bc9c364 x24: dfff800000000000
x23: ffff0000de4e1ad0 x22: ffff0000de4e1b00 x21: ffff0000de4e1b24
x20: ffff0000de4e18f0 x19: ffff0000de4e1b50 x18: dfff800000000000
x17: 0000000000420042 x16: ffff800080516cc4 x15: ffff700010002f60
x14: 1ffff00010002f60 x13: 0000000000000004 x12: ffffffffffffffff
x11: 0000000000000103 x10: 0000000000000100 x9 : 0000000000000000
x8 : 0000000000000000 x7 : ffff800088a80284 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff80008033272c
x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 pie_calculate_probability+0x5f0/0x7bc net/sched/sch_pie.c:417
 fq_pie_timer+0x1f0/0x41c net/sched/sch_fq_pie.c:387
 call_timer_fn+0x19c/0x8cc kernel/time/timer.c:1700
 expire_timers kernel/time/timer.c:1751 [inline]
 __run_timers+0x55c/0x734 kernel/time/timer.c:2022
 run_timer_softirq+0x7c/0x114 kernel/time/timer.c:2035
 __do_softirq+0x2d0/0xd54 kernel/softirq.c:553
 ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80
 call_on_irq_stack+0x24/0x4c arch/arm64/kernel/entry.S:882
 do_softirq_own_stack+0x20/0x2c arch/arm64/kernel/irq.c:85
 invoke_softirq kernel/softirq.c:434 [inline]
 __irq_exit_rcu+0x200/0x494 kernel/softirq.c:632
 irq_exit_rcu+0x14/0x84 kernel/softirq.c:644
 __el1_irq arch/arm64/kernel/entry-common.c:503 [inline]
 el1_interrupt+0x38/0x68 arch/arm64/kernel/entry-common.c:517
 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:522
 el1h_64_irq+0x64/0x68 arch/arm64/kernel/entry.S:587
 __daif_local_irq_restore arch/arm64/include/asm/irqflags.h:182 [inline]
 arch_local_irq_restore+0x8/0xc arch/arm64/include/asm/irqflags.h:202
 lock_is_held include/linux/lockdep.h:288 [inline]
 rcu_read_lock_held+0x34/0x50 kernel/rcu/update.c:350
 lookup_page_ext mm/page_ext.c:287 [inline]
 page_ext_get+0x1a8/0x2c0 mm/page_ext.c:168
 page_table_check_set+0x1e0/0x5c4 mm/page_table_check.c:111
 __page_table_check_pte_set+0x17c/0x1d0 mm/page_table_check.c:201
 page_table_check_pte_set include/linux/page_table_check.h:83 [inline]
 set_pte_at arch/arm64/include/asm/pgtable.h:362 [inline]
 copy_present_pte mm/memory.c:978 [inline]
 copy_pte_range mm/memory.c:1082 [inline]
 copy_pmd_range mm/memory.c:1167 [inline]
 copy_pud_range mm/memory.c:1204 [inline]
 copy_p4d_range mm/memory.c:1228 [inline]
 copy_page_range+0x2584/0x32f8 mm/memory.c:1326
 dup_mmap kernel/fork.c:758 [inline]
 dup_mm kernel/fork.c:1689 [inline]
 copy_mm+0x129c/0x1a70 kernel/fork.c:1738
 copy_process+0x1980/0x34b8 kernel/fork.c:2504
 kernel_clone+0x1d8/0x8ac kernel/fork.c:2912
 __do_sys_clone kernel/fork.c:3055 [inline]
 __se_sys_clone kernel/fork.c:3023 [inline]
 __arm64_sys_clone+0x1f8/0x24c kernel/fork.c:3023
 __invoke_syscall arch/arm64/kernel/syscall.c:37 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:51
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:136
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:155
 el0_svc+0x58/0x16c arch/arm64/kernel/entry-common.c:678
 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:591