------------[ cut here ]------------ WARNING: CPU: 0 PID: 5629 at fs/nilfs2/btree.c:2282 nilfs_btree_assign+0xbc0/0xdc8 fs/nilfs2/btree.c:2282 Modules linked in: CPU: 0 PID: 5629 Comm: segctord Not tainted 6.1.27-syzkaller #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+0xbc0/0xdc8 fs/nilfs2/btree.c:2282 lr : nilfs_btree_assign+0xbc0/0xdc8 fs/nilfs2/btree.c:2282 sp : ffff80001f8b73e0 x29: ffff80001f8b74d0 x28: 00000000fffffffe x27: ffff0000e27cd360 x26: ffff80001f8b7960 x25: 0000000000000001 x24: dfff800000000000 x23: 1ffff00003f16f2c x22: 0000000000000000 x21: 0000000000000013 x20: 0000000000000042 x19: ffff0000dce44380 x18: ffff0000e27cb9b0 x17: ffff80001558d000 x16: 0000000000000000 x15: 0000000000000000 x14: 0000000000000000 x13: 00000000ffffffef x12: ffff0000dea28000 x11: ff80800009d9027c x10: 0000000000000000 x9 : ffff800009d9027c x8 : ffff0000dea28000 x7 : ffff8000087546b8 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff800009d84ef8 x2 : 0000000000000001 x1 : 00000000fffffffe x0 : 00000000fffffffe Call trace: nilfs_btree_assign+0xbc0/0xdc8 fs/nilfs2/btree.c:2282 nilfs_bmap_assign+0x90/0x148 fs/nilfs2/bmap.c:382 nilfs_segctor_update_payload_blocknr fs/nilfs2/segment.c:1615 [inline] nilfs_segctor_assign fs/nilfs2/segment.c:1649 [inline] nilfs_segctor_do_construct+0x2d6c/0x63e8 fs/nilfs2/segment.c:2076 nilfs_segctor_construct+0x110/0x768 fs/nilfs2/segment.c:2399 nilfs_segctor_thread_construct fs/nilfs2/segment.c:2507 [inline] nilfs_segctor_thread+0x3d4/0xd74 fs/nilfs2/segment.c:2590 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 irq event stamp: 14116 hardirqs last enabled at (14115): [] kasan_quarantine_put+0xdc/0x204 mm/kasan/quarantine.c:242 hardirqs last disabled at (14116): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (11822): [] softirq_handle_end kernel/softirq.c:414 [inline] softirqs last enabled at (11822): [] __do_softirq+0xc14/0xea0 kernel/softirq.c:600 softirqs last disabled at (11769): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:79 ---[ end trace 0000000000000000 ]---