------------[ cut here ]------------
WARNING: CPU: 1 PID: 10030 at fs/nilfs2/btree.c:2283 nilfs_btree_assign+0xbd4/0xdd8 fs/nilfs2/btree.c:2283
Modules linked in:
CPU: 1 PID: 10030 Comm: segctord Not tainted 6.4.0-rc7-syzkaller-ge40939bbfc68 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023
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 : ffff8000973973e0
x29: ffff8000973974d0 x28: 00000000fffffffe x27: ffff0001067a6698
x26: ffff800097397960 x25: 0000000000000001 x24: dfff800000000000
x23: 1ffff00012e72f2c x22: 0000000000000000 x21: 0000000000040013
x20: 0000000000000082 x19: ffff000107c64b00 x18: ffff0001067a0cd8
x17: ffff80008deed000 x16: ffff80008031093c x15: 0000000000000000
x14: 0000000000000000 x13: 0000000000000000 x12: 00000000ffffffef
x11: 0000000000000000 x10: 0000000000000000 x9 : 0000000000000000
x8 : ffff0000cc9f9bc0 x7 : ffff800080793ed8 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff800081de0354
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:390
 nilfs_segctor_update_payload_blocknr fs/nilfs2/segment.c:1617 [inline]
 nilfs_segctor_assign fs/nilfs2/segment.c:1651 [inline]
 nilfs_segctor_do_construct+0x2d8c/0x6424 fs/nilfs2/segment.c:2081
 nilfs_segctor_construct+0x110/0x768 fs/nilfs2/segment.c:2404
 nilfs_segctor_thread_construct fs/nilfs2/segment.c:2512 [inline]
 nilfs_segctor_thread+0x3d4/0xd74 fs/nilfs2/segment.c:2595
 kthread+0x288/0x310 kernel/kthread.c:379
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:853
irq event stamp: 2106
hardirqs last  enabled at (2105): [<ffff800080997850>] kasan_quarantine_put+0x1a0/0x1c8 mm/kasan/quarantine.c:240
hardirqs last disabled at (2106): [<ffff80008a443db4>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:407
softirqs last  enabled at (0): [<ffff8000801af468>] copy_process+0x1340/0x34b8 kernel/fork.c:2452
softirqs last disabled at (0): [<0000000000000000>] 0x0
---[ end trace 0000000000000000 ]---