watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [syz-executor.1:10169]
Modules linked in:
irq event stamp: 7254
hardirqs last  enabled at (7253): [<ffff8000145f7ab8>] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:81 [inline]
hardirqs last  enabled at (7253): [<ffff8000145f7ab8>] exit_to_kernel_mode+0x38/0x230 arch/arm64/kernel/entry-common.c:91
hardirqs last disabled at (7254): [<ffff8000145f7a70>] enter_el1_irq_or_nmi+0x10/0x20 arch/arm64/kernel/entry-common.c:227
softirqs last  enabled at (7216): [<ffff800010010964>] _stext+0x964/0xff8
softirqs last disabled at (7193): [<ffff8000101616a8>] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline]
softirqs last disabled at (7193): [<ffff8000101616a8>] invoke_softirq kernel/softirq.c:439 [inline]
softirqs last disabled at (7193): [<ffff8000101616a8>] __irq_exit_rcu+0x208/0x4f0 kernel/softirq.c:636
CPU: 0 PID: 10169 Comm: syz-executor.1 Not tainted 5.15.0-rc5-syzkaller-00287-g304040fb4909 #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 : ffff80001b5675d0
x29: ffff80001b5675d0 x28: 0000000000000000 x27: ffff00007fc11ec0
x26: ffff000009d014b8 x25: ffff6000013a0297 x24: 00000000000014b8
x23: ffff000009d00000 x22: fffffc0000173f40 x21: ffff8000157bb598
x20: dfff800000000000 x19: fffffc0000173f00 x18: 0000000000000000
x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000
x14: 1ffff000036ace84 x13: 0000000000000013 x12: ffff7f800002e7e7
x11: 1fffff800002e7e6 x10: ffff7f800002e7e6 x9 : 0000000000000000
x8 : ffff600000b9fa00 x7 : 0000000000000000 x6 : 000000000000003f
x5 : 0000000000000040 x4 : 1ffff00003067da8 x3 : 1fffe000013a0001
x2 : 0000000000000004 x1 : 0000000000000040 x0 : ffff000005cfc600
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
 do_anonymous_page mm/memory.c:3768 [inline]
 handle_pte_fault mm/memory.c:4557 [inline]
 __handle_mm_fault+0xbc4/0x2210 mm/memory.c:4694
 handle_mm_fault+0x1dc/0x4f0 mm/memory.c:4792
 __do_page_fault arch/arm64/mm/fault.c:499 [inline]
 do_page_fault+0x228/0x910 arch/arm64/mm/fault.c:599
 do_translation_fault+0x1a4/0x210 arch/arm64/mm/fault.c:680
 do_mem_abort+0x64/0x1c0 arch/arm64/mm/fault.c:813
 el0_da+0x7c/0x2b0 arch/arm64/kernel/entry-common.c:481
 el0t_32_sync_handler+0x114/0x140 arch/arm64/kernel/entry-common.c:739
 el0t_32_sync+0x1a4/0x1a8 arch/arm64/kernel/entry.S:577