watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [dhcpcd-run-hook:9535]
Modules linked in:
irq event stamp: 8666
hardirqs last  enabled at (8665): [<ffff8000143ebbf8>] exit_to_kernel_mode+0x38/0x230 arch/arm64/kernel/entry-common.c:59
hardirqs last disabled at (8666): [<ffff8000143ec2c0>] enter_el1_irq_or_nmi+0x10/0x20 arch/arm64/kernel/entry-common.c:101
softirqs last  enabled at (8584): [<ffff8000100109e0>] _stext+0x9e0/0x1084
softirqs last disabled at (8447): [<ffff80001015a03c>] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline]
softirqs last disabled at (8447): [<ffff80001015a03c>] invoke_softirq kernel/softirq.c:228 [inline]
softirqs last disabled at (8447): [<ffff80001015a03c>] __irq_exit_rcu+0x46c/0x510 kernel/softirq.c:422
CPU: 0 PID: 9535 Comm: dhcpcd-run-hook Not tainted 5.12.0-rc7-syzkaller-00053-g7e25f40eab52 #0
Hardware name: linux,dummy-virt (DT)
pstate: 00000005 (nzcv daif -PAN -UAO -TCO BTYPE=--)
pc : clear_page+0x14/0x28 arch/arm64/lib/clear_page.S:23
lr : clear_highpage include/linux/highmem.h:203 [inline]
lr : kernel_init_free_pages+0x74/0x180 mm/page_alloc.c:1212
sp : ffff000010f3f4a0
x29: ffff000010f3f4a0 x28: fffffc0000180f00 
x27: ffff00007fc13ec0 x26: ffff000008a7e378 
x25: ffff60000114fc6f x24: 00000000000014b8 
x23: ffff000008a7cec0 x22: fffffc0000180f40 
x21: ffff8000154f4a00 x20: dfff800000000000 
x19: fffffc0000180f00 x18: 0000000000000000 
x17: 0000000000000000 x16: 0000000000000000 
x15: 0000000000000000 x14: 1fffe000021e7e5e 
x13: 0000000000000001 x12: ffff7f80000301e7 
x11: 1fffff80000301e6 x10: ffff7f80000301e6 
x9 : 0000000000000000 x8 : ffff600000c07a00 
x7 : 0000000000000000 x6 : 000000000000003f 
x5 : 0000000000000040 x4 : 1ffff00002fa7d50 
x3 : 1fffe0000114f9d9 x2 : 0000000000000004 
x1 : 0000000000000040 x0 : ffff00000603cb00 
Call trace:
 clear_page+0x14/0x28 arch/arm64/lib/clear_page.S:21
 post_alloc_hook+0x130/0x1fc mm/page_alloc.c:2305
 prep_new_page mm/page_alloc.c:2311 [inline]
 get_page_from_freelist+0x2024/0x2a40 mm/page_alloc.c:3951
 __alloc_pages_nodemask+0x2a0/0x24dc mm/page_alloc.c:5001
 alloc_pages_vma+0xb4/0x510 mm/mempolicy.c:2240
 alloc_zeroed_user_highpage_movable include/linux/highmem.h:197 [inline]
 wp_page_copy+0x70c/0x16e0 mm/memory.c:2848
 do_wp_page+0x1d8/0xbbc mm/memory.c:3160
 handle_pte_fault mm/memory.c:4336 [inline]
 __handle_mm_fault+0x1020/0x21d4 mm/memory.c:4453
 handle_mm_fault+0x1cc/0x4dc mm/memory.c:4551
 __do_page_fault arch/arm64/mm/fault.c:507 [inline]
 do_page_fault+0x228/0x880 arch/arm64/mm/fault.c:591
 do_mem_abort+0x64/0x1c0 arch/arm64/mm/fault.c:805
 el0_da+0x3c/0x50 arch/arm64/kernel/entry-common.c:308
 el0_sync_handler+0x168/0x1b0 arch/arm64/kernel/entry-common.c:435
 el0_sync+0x174/0x180 arch/arm64/kernel/entry.S:701