NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds attempt to access beyond end of device loop0: rw=0, want=576460752303423532, limit=2048 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7966 at include/linux/backing-dev.h:335 inode_to_wb include/linux/backing-dev.h:335 [inline] WARNING: CPU: 0 PID: 7966 at include/linux/backing-dev.h:335 account_page_dirtied+0x8df/0xbb0 mm/page-writeback.c:2437 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 7966 Comm: syz-executor401 Not tainted 4.14.295-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 panic+0x1f9/0x42d kernel/panic.c:183 __warn.cold+0x20/0x44 kernel/panic.c:547 report_bug+0x208/0x250 lib/bug.c:183 fixup_bug arch/x86/kernel/traps.c:177 [inline] fixup_bug arch/x86/kernel/traps.c:172 [inline] do_error_trap+0x195/0x2d0 arch/x86/kernel/traps.c:295 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:964 RIP: 0010:inode_to_wb include/linux/backing-dev.h:335 [inline] RIP: 0010:account_page_dirtied+0x8df/0xbb0 mm/page-writeback.c:2437 RSP: 0018:ffff8880946ef280 EFLAGS: 00010097 RAX: ffff8880901b8140 RBX: ffff8880af3b8280 RCX: 1ffffffff127a5d4 RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000086 RBP: ffff88808de2ab58 R08: ffffffff8ba5db4c R09: 0000000000001c7e R10: 0000000000000001 R11: ffff8880901b8140 R12: ffffea00027205c0 R13: ffff88808de2a9c8 R14: ffff88808de2a9c8 R15: ffffea00027205e0 __set_page_dirty+0x77/0x2a0 fs/buffer.c:634 mark_buffer_dirty+0x307/0x480 fs/buffer.c:1173 nilfs_btree_do_insert fs/nilfs2/btree.c:820 [inline] nilfs_btree_do_insert+0x293/0x3b0 fs/nilfs2/btree.c:807 nilfs_btree_commit_insert fs/nilfs2/btree.c:1221 [inline] nilfs_btree_insert+0xc5a/0x1860 fs/nilfs2/btree.c:1249 nilfs_bmap_do_insert fs/nilfs2/bmap.c:130 [inline] nilfs_bmap_insert+0x21b/0x380 fs/nilfs2/bmap.c:156 nilfs_mdt_insert_new_block fs/nilfs2/mdt.c:53 [inline] nilfs_mdt_create_block fs/nilfs2/mdt.c:102 [inline] nilfs_mdt_get_block+0x4a1/0xb90 fs/nilfs2/mdt.c:263 nilfs_palloc_get_block+0xb2/0x250 fs/nilfs2/alloc.c:225 nilfs_palloc_get_desc_block fs/nilfs2/alloc.c:274 [inline] nilfs_palloc_prepare_alloc_entry+0x235/0x950 fs/nilfs2/alloc.c:533 nilfs_dat_prepare_alloc+0x1f/0xa0 fs/nilfs2/dat.c:74 nilfs_bmap_prepare_alloc_ptr fs/nilfs2/bmap.h:192 [inline] nilfs_direct_insert+0x2db/0x390 fs/nilfs2/direct.c:131 nilfs_bmap_do_insert fs/nilfs2/bmap.c:130 [inline] nilfs_bmap_insert+0x21b/0x380 fs/nilfs2/bmap.c:156 nilfs_get_block+0x434/0x7a0 fs/nilfs2/inode.c:105 __block_write_begin_int+0x35c/0x11d0 fs/buffer.c:2038 __block_write_begin fs/buffer.c:2088 [inline] block_write_begin+0x58/0x270 fs/buffer.c:2147 nilfs_write_begin+0x95/0x1c0 fs/nilfs2/inode.c:276 __page_symlink+0x13e/0x1b0 fs/namei.c:4857 nilfs_symlink+0x1de/0x350 fs/nilfs2/namei.c:161 vfs_symlink+0x3ce/0x620 fs/namei.c:4158 SYSC_symlinkat fs/namei.c:4185 [inline] SyS_symlinkat+0x1dc/0x240 fs/namei.c:4165 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x7f193944c349 RSP: 002b:00007ffe26e4b458 EFLAGS: 00000246 ORIG_RAX: 000000000000010a RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 00007f193944c349 RDX: 0000000020000780 RSI: 0000000000000003 RDI: 00000000200001c0 RBP: 00007f193940bbb0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f193940bc40 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Kernel Offset: disabled Rebooting in 86400 seconds..