watchdog: BUG: soft lockup - CPU#0 stuck for 23s! [jbd2/vda-8:3109] Modules linked in: irq event stamp: 153528 hardirqs last enabled at (153527): [] exit_to_kernel_mode+0x38/0x230 arch/arm64/kernel/entry-common.c:71 hardirqs last disabled at (153528): [] enter_el1_irq_or_nmi+0x10/0x20 arch/arm64/kernel/entry-common.c:113 softirqs last enabled at (153426): [] _stext+0x9a4/0x1050 softirqs last disabled at (153355): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (153355): [] invoke_softirq kernel/softirq.c:439 [inline] softirqs last disabled at (153355): [] __irq_exit_rcu+0x470/0x520 kernel/softirq.c:636 CPU: 0 PID: 3109 Comm: jbd2/vda-8 Not tainted 5.14.0-rc5-syzkaller-00306-gecf93431963a #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:184 [inline] lr : kernel_init_free_pages.part.0+0x6c/0x17c mm/page_alloc.c:1286 sp : ffff80001f2b7170 x29: ffff80001f2b7170 x28: 0000000000000000 x27: ffff00007fc11ec0 x26: ffff00000ff8c938 x25: ffff600001ff1927 x24: 00000000000014b8 x23: ffff00000ff8b480 x22: fffffc0000171340 x21: ffff800015707840 x20: dfff800000000000 x19: fffffc0000171300 x18: ffff00006aa31c08 x17: ffff800055006000 x16: ffff800010008000 x15: ffff00006aa31c3c x14: 1ffff00003e56df8 x13: 0000000000000014 x12: ffff7f800002e267 x11: 1fffff800002e266 x10: ffff7f800002e266 x9 : 0000000000000000 x8 : ffff600000b89a00 x7 : 0000000000000000 x6 : 000000000000003f x5 : 0000000000000040 x4 : 1ffff0000304dd80 x3 : 1fffe00001ff1691 x2 : 0000000000000004 x1 : 0000000000000040 x0 : ffff000005c4cd00 Call trace: clear_page+0x14/0x28 arch/arm64/lib/clear_page.S:21 kernel_init_free_pages mm/page_alloc.c:1283 [inline] post_alloc_hook+0x1ac/0x25c mm/page_alloc.c:2426 prep_new_page mm/page_alloc.c:2436 [inline] get_page_from_freelist+0x1840/0x2310 mm/page_alloc.c:4169 __alloc_pages+0x1a8/0x2234 mm/page_alloc.c:5391 alloc_pages+0x230/0x360 mm/mempolicy.c:2244 __page_cache_alloc mm/filemap.c:1005 [inline] pagecache_get_page+0x490/0x9a0 mm/filemap.c:1885 find_or_create_page include/linux/pagemap.h:420 [inline] grow_dev_page fs/buffer.c:949 [inline] grow_buffers fs/buffer.c:1014 [inline] __getblk_slow+0x170/0x574 fs/buffer.c:1041 __getblk_gfp+0x7c/0x9c fs/buffer.c:1334 __getblk include/linux/buffer_head.h:382 [inline] jbd2_journal_get_descriptor_buffer+0xf0/0x3f0 fs/jbd2/journal.c:1014 jbd2_journal_commit_transaction+0x1410/0x4390 fs/jbd2/commit.c:656 kjournald2+0x190/0x734 fs/jbd2/journal.c:213 kthread+0x334/0x3dc kernel/kthread.c:319 ret_from_fork+0x10/0x18 arch/arm64/kernel/entry.S:782