NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7245 at fs/nilfs2/btree.c:2282 nilfs_btree_assign+0x968/0xde0 fs/nilfs2/btree.c:2282 Modules linked in: CPU: 1 PID: 7245 Comm: segctord Not tainted 6.2.0-rc5-next-20230123-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 RIP: 0010:nilfs_btree_assign+0x968/0xde0 fs/nilfs2/btree.c:2282 Code: 00 00 00 00 e9 93 f8 ff ff e8 24 7b 59 fe 44 89 e6 bf fe ff ff ff e8 c7 77 59 fe 41 83 fc fe 0f 85 9a fb ff ff e8 08 7b 59 fe <0f> 0b e9 8e fb ff ff e8 fc 7a 59 fe 48 89 eb 48 c7 44 24 28 18 00 RSP: 0018:ffffc900063d79f0 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 RDX: ffff888026f69d40 RSI: ffffffff83287328 RDI: 0000000000000005 RBP: ffff8880741f0018 R08: 0000000000000005 R09: 00000000fffffffe R10: 00000000fffffffe R11: 0000000000094001 R12: 00000000fffffffe R13: ffffc900063d7c78 R14: ffffc900063d7cb8 R15: 0000000000000082 FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb79aea5c50 CR3: 000000000c571000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: nilfs_bmap_assign+0x87/0x180 fs/nilfs2/bmap.c:382 nilfs_segctor_update_payload_blocknr fs/nilfs2/segment.c:1597 [inline] nilfs_segctor_assign fs/nilfs2/segment.c:1631 [inline] nilfs_segctor_do_construct+0x146a/0x7100 fs/nilfs2/segment.c:2058 nilfs_segctor_construct+0x8e3/0xb30 fs/nilfs2/segment.c:2381 nilfs_segctor_thread_construct fs/nilfs2/segment.c:2489 [inline] nilfs_segctor_thread+0x3c7/0xf30 fs/nilfs2/segment.c:2572 kthread+0x2e8/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308