watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [dhcpcd-run-hook:21966]
Modules linked in:
irq event stamp: 5448
hardirqs last  enabled at (5447): [<ffff8000145fc578>] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:81 [inline]
hardirqs last  enabled at (5447): [<ffff8000145fc578>] exit_to_kernel_mode+0x38/0x230 arch/arm64/kernel/entry-common.c:91
hardirqs last disabled at (5448): [<ffff8000145fc530>] enter_el1_irq_or_nmi+0x10/0x20 arch/arm64/kernel/entry-common.c:227
softirqs last  enabled at (5362): [<ffff800010010964>] _stext+0x964/0xff8
softirqs last disabled at (5193): [<ffff800010161ea8>] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline]
softirqs last disabled at (5193): [<ffff800010161ea8>] invoke_softirq kernel/softirq.c:439 [inline]
softirqs last disabled at (5193): [<ffff800010161ea8>] __irq_exit_rcu+0x208/0x4f0 kernel/softirq.c:636
CPU: 1 PID: 21966 Comm: dhcpcd-run-hook Not tainted 5.14.0-syzkaller-11187-gf306b90c69ce #0
Hardware name: linux,dummy-virt (DT)
pstate: 00000005 (nzcv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : clear_page+0x14/0x28 arch/arm64/lib/clear_page.S:23
lr : clear_highpage include/linux/highmem.h:181 [inline]
lr : kernel_init_free_pages.part.0+0x6c/0x17c mm/page_alloc.c:1278
sp : ffff80001ba07440
x29: ffff80001ba07440 x28: 0000000000000000 x27: ffff00007fc11ec0
x26: ffff0000137714b8 x25: ffff6000026ee297 x24: 00000000000014b8
x23: ffff000013770000 x22: fffffc0000173f40 x21: ffff8000157bf538
x20: dfff800000000000 x19: fffffc0000173f00 x18: 0000000000000000
x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000
x14: 1ffff00003740e52 x13: 0000000000000013 x12: ffff7f800002e7e7
x11: 1fffff800002e7e6 x10: ffff7f800002e7e6 x9 : 0000000000000000
x8 : ffff600000b9fa00 x7 : 0000000000000000 x6 : 000000000000003f
x5 : 0000000000000040 x4 : 1ffff00003067fa8 x3 : 1fffe000026ee001
x2 : 0000000000000004 x1 : 0000000000000040 x0 : ffff000005cfcac0
Call trace:
 clear_page+0x14/0x28 arch/arm64/lib/clear_page.S:21
 kernel_init_free_pages mm/page_alloc.c:1275 [inline]
 post_alloc_hook+0x1ac/0x25c mm/page_alloc.c:2414
 prep_new_page mm/page_alloc.c:2424 [inline]
 get_page_from_freelist+0x1844/0x2314 mm/page_alloc.c:4153
 __alloc_pages+0x1a8/0x21d0 mm/page_alloc.c:5375
 alloc_pages_vma+0xbc/0x560 mm/mempolicy.c:2158
 alloc_zeroed_user_highpage_movable+0x9c/0xd0 arch/arm64/mm/fault.c:926
 wp_page_copy+0x214/0x1660 mm/memory.c:2998
 do_wp_page+0x1d8/0xbec mm/memory.c:3313
 handle_pte_fault mm/memory.c:4576 [inline]
 __handle_mm_fault+0xd4c/0x2210 mm/memory.c:4693
 handle_mm_fault+0x1dc/0x4f0 mm/memory.c:4791
 __do_page_fault arch/arm64/mm/fault.c:499 [inline]
 do_page_fault+0x228/0x910 arch/arm64/mm/fault.c:599
 do_mem_abort+0x64/0x1c0 arch/arm64/mm/fault.c:813
 el0_da+0x7c/0x2b0 arch/arm64/kernel/entry-common.c:481
 el0t_64_sync_handler+0x168/0x1b0 arch/arm64/kernel/entry-common.c:616
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:572