watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [jbd2/vda-8:3064] Modules linked in: irq event stamp: 750854 hardirqs last enabled at (750853): [] exit_to_kernel_mode+0x38/0x230 arch/arm64/kernel/entry-common.c:59 hardirqs last disabled at (750854): [] enter_el1_irq_or_nmi+0x10/0x20 arch/arm64/kernel/entry-common.c:101 softirqs last enabled at (750740): [] _stext+0x9e0/0x1084 softirqs last disabled at (750653): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (750653): [] invoke_softirq kernel/softirq.c:228 [inline] softirqs last disabled at (750653): [] __irq_exit_rcu+0x46c/0x510 kernel/softirq.c:422 CPU: 0 PID: 3064 Comm: jbd2/vda-8 Tainted: G W 5.12.0-rc7-syzkaller-00058-g2f7b98d1e55c #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 : ffff0000106cf060 x29: ffff0000106cf060 x28: fffffc0000180700 x27: ffff00007fc13ec0 x26: ffff00000d0c14b8 x25: ffff600001a18297 x24: 00000000000014b8 x23: ffff00000d0c0000 x22: fffffc0000180740 x21: ffff8000154f4a00 x20: dfff800000000000 x19: fffffc0000180700 x18: ffff00006ab14b48 x17: 0000000000000000 x16: 0000000000000000 x15: ffff8000172c9810 x14: 1fffe000020d9dd6 x13: 0000000000000001 x12: ffff7f80000300e7 x11: 1fffff80000300e6 x10: ffff7f80000300e6 x9 : 0000000000000000 x8 : ffff600000c03a00 x7 : 0000000000000000 x6 : 000000000000003f x5 : 0000000000000040 x4 : 1ffff00002fa7d50 x3 : 1fffe00001a18001 x2 : 0000000000000004 x1 : 0000000000000040 x0 : ffff00000601cec0 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_current+0x22c/0x35c mm/mempolicy.c:2277 alloc_pages include/linux/gfp.h:561 [inline] __page_cache_alloc mm/filemap.c:978 [inline] pagecache_get_page+0x470/0x9a4 mm/filemap.c:1797 find_or_create_page include/linux/pagemap.h:405 [inline] grow_dev_page fs/buffer.c:974 [inline] grow_buffers fs/buffer.c:1043 [inline] __getblk_slow+0x18c/0x5b0 fs/buffer.c:1070 __getblk_gfp+0x7c/0xa0 fs/buffer.c:1354 __getblk include/linux/buffer_head.h:380 [inline] jbd2_journal_get_descriptor_buffer+0xf0/0x3ec fs/jbd2/journal.c:1022 journal_submit_commit_record.part.0+0x88/0x7fc fs/jbd2/commit.c:131 journal_submit_commit_record fs/jbd2/commit.c:128 [inline] jbd2_journal_commit_transaction+0x2afc/0x4390 fs/jbd2/commit.c:925 kjournald2+0x190/0x730 fs/jbd2/journal.c:213 kthread+0x320/0x3bc kernel/kthread.c:292 ret_from_fork+0x10/0x3c arch/arm64/kernel/entry.S:960