------------[ cut here ]------------
WARNING: CPU: 1 PID: 4983 at fs/nilfs2/btree.c:2284 nilfs_btree_assign+0xbc0/0xdc8 fs/nilfs2/btree.c:2284
Modules linked in:
CPU: 1 PID: 4983 Comm: segctord Not tainted 5.15.110-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:2284
lr : nilfs_btree_assign+0xbc0/0xdc8 fs/nilfs2/btree.c:2284
sp : ffff8000208473e0
x29: ffff8000208474d0 x28: 00000000fffffffe x27: ffff0000e609acf0
x26: ffff800020847940 x25: 0000000000000001 x24: dfff800000000000
x23: 1ffff00004108f28 x22: 0000000000000000 x21: 0000000000000013
x20: 0000000000000042 x19: ffff0000e774da00 x18: 0000000000000000
x17: ff80800009cb14fc x16: 0000000000000000 x15: ffff800009cb14fc
x14: 00000000ffffffef x13: ffffffffffffffff x12: 0000000000000000
x11: ff80800009cae514 x10: 0000000000000000 x9 : ffff800009cae514
x8 : ffff0000c67eb580 x7 : ffff8000086df870 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff800009ca2ca8
x2 : 0000000000000001 x1 : 00000000fffffffe x0 : 00000000fffffffe
Call trace:
 nilfs_btree_assign+0xbc0/0xdc8 fs/nilfs2/btree.c:2284
 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+0x2f68/0x67cc fs/nilfs2/segment.c:2076
 nilfs_segctor_construct+0x110/0x768 fs/nilfs2/segment.c:2401
 nilfs_segctor_thread_construct fs/nilfs2/segment.c:2509 [inline]
 nilfs_segctor_thread+0x3c8/0xe94 fs/nilfs2/segment.c:2592
 kthread+0x37c/0x45c kernel/kthread.c:319
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870
irq event stamp: 15100
hardirqs last  enabled at (15099): [<ffff8000088c6d88>] kasan_quarantine_put+0xdc/0x204 mm/kasan/quarantine.c:231
hardirqs last disabled at (15100): [<ffff80001193d130>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:387
softirqs last  enabled at (13434): [<ffff800008020ccc>] softirq_handle_end kernel/softirq.c:401 [inline]
softirqs last  enabled at (13434): [<ffff800008020ccc>] __do_softirq+0xb5c/0xe20 kernel/softirq.c:587
softirqs last disabled at (13389): [<ffff8000081b573c>] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline]
softirqs last disabled at (13389): [<ffff8000081b573c>] invoke_softirq kernel/softirq.c:439 [inline]
softirqs last disabled at (13389): [<ffff8000081b573c>] __irq_exit_rcu+0x28c/0x534 kernel/softirq.c:636
---[ end trace 6f427577b675c004 ]---