------------[ cut here ]------------ WARNING: CPU: 0 PID: 6088 at fs/nilfs2/btree.c:2283 nilfs_btree_assign+0xbd4/0xdd8 fs/nilfs2/btree.c:2283 Modules linked in: CPU: 0 PID: 6088 Comm: segctord Not tainted 6.3.0-rc7-syzkaller-g14f8db1c0f9a #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : nilfs_btree_assign+0xbd4/0xdd8 fs/nilfs2/btree.c:2283 lr : nilfs_btree_assign+0xbd4/0xdd8 fs/nilfs2/btree.c:2283 sp : ffff80001efe73e0 x29: ffff80001efe74d0 x28: 00000000fffffffe x27: ffff0000e8c9d9c8 x26: ffff80001efe7960 x25: 0000000000000001 x24: dfff800000000000 x23: 1ffff00003dfcf2c x22: 0000000000000000 x21: 0000000000000013 x20: 0000000000000042 x19: ffff0000dd9a7800 x18: ffff0000e8c9c018 x17: ffff800015d6d000 x16: ffff800008301638 x15: 0000000000000000 x14: 0000000000000000 x13: 0000000000000000 x12: 00000000ffffffef x11: 0000000000000000 x10: 0000000000000000 x9 : 0000000000000000 x8 : ffff0000dabd3680 x7 : ffff800008770100 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff800009da65ec x2 : 0000000000000001 x1 : 00000000fffffffe x0 : 00000000fffffffe Call trace: nilfs_btree_assign+0xbd4/0xdd8 fs/nilfs2/btree.c:2283 nilfs_bmap_assign+0x90/0x148 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+0x2fc8/0x6608 fs/nilfs2/segment.c:2058 nilfs_segctor_construct+0x110/0x768 fs/nilfs2/segment.c:2381 nilfs_segctor_thread_construct fs/nilfs2/segment.c:2489 [inline] nilfs_segctor_thread+0x3d4/0xd74 fs/nilfs2/segment.c:2572 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870 irq event stamp: 14196 hardirqs last enabled at (14195): [] kasan_quarantine_put+0x1a0/0x1c8 mm/kasan/quarantine.c:242 hardirqs last disabled at (14196): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (12612): [] softirq_handle_end kernel/softirq.c:414 [inline] softirqs last enabled at (12612): [] __do_softirq+0xac0/0xd54 kernel/softirq.c:600 softirqs last disabled at (12603): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]---