NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds ------------[ cut here ]------------ WARNING: CPU: 0 PID: 3606 at fs/nilfs2/dat.c:151 nilfs_dat_prepare_end+0x215/0x320 fs/nilfs2/dat.c:151 Modules linked in: CPU: 0 PID: 3606 Comm: segctord Not tainted 6.0.0-syzkaller-09039-ga6afa4199d3d #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 RIP: 0010:nilfs_dat_prepare_end+0x215/0x320 fs/nilfs2/dat.c:151 Code: 48 83 c4 10 5b 5d 41 5c 41 5d 41 5e c3 e8 d3 0b 59 fe 44 89 e6 bf fe ff ff ff e8 86 08 59 fe 41 83 fc fe 75 d3 e8 bb 0b 59 fe <0f> 0b eb ca e8 b2 0b 59 fe 48 89 de 4c 89 ef e8 d7 a2 03 00 31 ff RSP: 0018:ffffc9000405f850 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffffc9000405f8f8 RCX: 0000000000000000 RDX: ffff8880205f9d80 RSI: ffffffff83220b75 RDI: 0000000000000005 RBP: ffffc9000405f910 R08: 0000000000000005 R09: 00000000fffffffe R10: 00000000fffffffe R11: 000000000008c07c R12: 00000000fffffffe R13: ffff888073740158 R14: ffffc9000405f938 R15: ffff8880734e0700 FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f1c8bdeb1d0 CR3: 000000000bc8e000 CR4: 0000000000350ef0 Call Trace: nilfs_dat_prepare_update+0x24/0xf0 fs/nilfs2/dat.c:223 nilfs_direct_propagate fs/nilfs2/direct.c:274 [inline] nilfs_direct_propagate+0x1dc/0x320 fs/nilfs2/direct.c:256 nilfs_bmap_propagate+0x73/0x170 fs/nilfs2/bmap.c:337 nilfs_segctor_apply_buffers+0x14a/0x470 fs/nilfs2/segment.c:1012 nilfs_segctor_scan_file+0x261/0x6f0 fs/nilfs2/segment.c:1072 nilfs_segctor_collect_blocks fs/nilfs2/segment.c:1170 [inline] nilfs_segctor_collect fs/nilfs2/segment.c:1497 [inline] nilfs_segctor_do_construct+0x2392/0x6970 fs/nilfs2/segment.c:2039 nilfs_segctor_construct+0x8e3/0xb30 fs/nilfs2/segment.c:2375 nilfs_segctor_thread_construct fs/nilfs2/segment.c:2483 [inline] nilfs_segctor_thread+0x3c3/0xfe0 fs/nilfs2/segment.c:2566 kthread+0x2e4/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306