watchdog: BUG: soft lockup - CPU#0 stuck for 26s! [syz-executor.1:18063]
Modules linked in:
irq event stamp: 13954
hardirqs last  enabled at (13953): [<ffff8000146b6f08>] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:82 [inline]
hardirqs last  enabled at (13953): [<ffff8000146b6f08>] exit_to_kernel_mode+0x38/0x210 arch/arm64/kernel/entry-common.c:92
hardirqs last disabled at (13954): [<ffff8000146b9844>] __el1_irq arch/arm64/kernel/entry-common.c:435 [inline]
hardirqs last disabled at (13954): [<ffff8000146b9844>] el1_interrupt+0x24/0x50 arch/arm64/kernel/entry-common.c:460
softirqs last  enabled at (13356): [<ffff8000100109ec>] _stext+0x9ec/0x101c
softirqs last disabled at (13265): [<ffff8000101626e8>] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline]
softirqs last disabled at (13265): [<ffff8000101626e8>] invoke_softirq kernel/softirq.c:439 [inline]
softirqs last disabled at (13265): [<ffff8000101626e8>] __irq_exit_rcu+0x3d8/0x5d0 kernel/softirq.c:636
CPU: 0 PID: 18063 Comm: syz-executor.1 Not tainted 5.15.0-syzkaller-04577-gcc0356d6a02e #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:218 [inline]
lr : kernel_init_free_pages.part.0+0x80/0x1fc mm/page_alloc.c:1278
sp : ffff80001a4f7020
x29: ffff80001a4f7020 x28: 0000000000000003 x27: 0000000000000001
x26: fffffc0000176e40 x25: dfff800000000000 x24: ffff8000158710b0
x23: ffff000011620000 x22: ffff000011620008 x21: 00000000000014f0
x20: 0000000000000003 x19: ffff6000022c429e x18: ffff00006aa47c08
x17: 0000000000000000 x16: 0000000000000000 x15: ffff00006aa47c3c
x14: 1ffff0000349edca x13: 0000000000000013 x12: ffff7f800002edcf
x11: 1fffff800002edce x10: ffff7f800002edce x9 : 0000000000000000
x8 : ffff600000bb7400 x7 : 0000000000000000 x6 : 000000000000003f
x5 : 0000000000000040 x4 : fffffc0000000000 x3 : ffff800015871000
x2 : 0000000000000004 x1 : 0000000000000040 x0 : ffff000005db9ec0
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:2416
 prep_new_page mm/page_alloc.c:2426 [inline]
 get_page_from_freelist+0x17c4/0x2250 mm/page_alloc.c:4155
 __alloc_pages+0x1a8/0x22e0 mm/page_alloc.c:5381
 alloc_pages+0x23c/0x3b0 mm/mempolicy.c:2191
 folio_alloc+0x1c/0x60 mm/mempolicy.c:2201
 filemap_alloc_folio+0x58/0x80 mm/filemap.c:1021
 __page_cache_alloc include/linux/pagemap.h:275 [inline]
 page_cache_ra_unbounded+0x204/0x5cc mm/readahead.c:215
 do_page_cache_ra mm/readahead.c:268 [inline]
 ondemand_readahead+0x4a8/0x1120 mm/readahead.c:551
 page_cache_async_ra mm/readahead.c:608 [inline]
 page_cache_async_ra+0x1a8/0x270 mm/readahead.c:583
 page_cache_async_readahead include/linux/pagemap.h:1003 [inline]
 do_async_mmap_readahead mm/filemap.c:3006 [inline]
 filemap_fault+0x63c/0x1940 mm/filemap.c:3062
 __do_fault+0xc8/0x590 mm/memory.c:3859
 do_read_fault mm/memory.c:4183 [inline]
 do_fault mm/memory.c:4312 [inline]
 handle_pte_fault mm/memory.c:4570 [inline]
 __handle_mm_fault+0x1124/0x21e0 mm/memory.c:4705
 handle_mm_fault+0x208/0x520 mm/memory.c:4803
 faultin_page mm/gup.c:937 [inline]
 __get_user_pages+0x2e4/0x540 mm/gup.c:1158
 populate_vma_page_range+0x168/0x200 mm/gup.c:1490
 __mm_populate+0x168/0x2d4 mm/gup.c:1599
 mm_populate include/linux/mm.h:2753 [inline]
 __do_sys_mlockall mm/mlock.c:800 [inline]
 __se_sys_mlockall mm/mlock.c:776 [inline]
 __arm64_sys_mlockall+0x26c/0x32c mm/mlock.c:776
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x6c/0x260 arch/arm64/kernel/syscall.c:52
 el0_svc_common.constprop.0+0xc4/0x254 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0xa0/0xcc arch/arm64/kernel/syscall.c:181
 el0_svc+0x64/0x280 arch/arm64/kernel/entry-common.c:603
 el0t_64_sync_handler+0x1a4/0x1b0 arch/arm64/kernel/entry-common.c:621
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:572