------------[ cut here ]------------
WARNING: CPU: 1 PID: 23653 at fs/nilfs2/btree.c:2284 nilfs_btree_assign+0xbc0/0xdc8 fs/nilfs2/btree.c:2284
Modules linked in:
CPU: 1 PID: 23653 Comm: segctord Not tainted 5.15.111-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 : ffff80001dcd73e0
x29: ffff80001dcd74d0 x28: 00000000fffffffe x27: ffff0000e2578018
x26: ffff80001dcd7940 x25: 0000000000000001 x24: dfff800000000000
x23: 1ffff00003b9af28 x22: 0000000000000000 x21: 0000000000040013
x20: 0000000000000082 x19: ffff0000dce5f800 x18: 0000000000000000
x17: ff80800009cb1bc0 x16: 0000000000000000 x15: ffff800009cb1bc0
x14: 00000000ffffffef x13: ffffffffffffffff x12: 0000000000000000
x11: ff80800009caebd8 x10: 0000000000000000 x9 : ffff800009caebd8
x8 : ffff0000d9fb1b40 x7 : ffff8000086e0af8 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff800009ca3344
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:390
 nilfs_segctor_update_payload_blocknr fs/nilfs2/segment.c:1615 [inline]
 nilfs_segctor_assign fs/nilfs2/segment.c:1649 [inline]
 nilfs_segctor_do_construct+0x2fa4/0x6804 fs/nilfs2/segment.c:2079
 nilfs_segctor_construct+0x110/0x768 fs/nilfs2/segment.c:2404
 nilfs_segctor_thread_construct fs/nilfs2/segment.c:2512 [inline]
 nilfs_segctor_thread+0x3c8/0xe94 fs/nilfs2/segment.c:2595
 kthread+0x37c/0x45c kernel/kthread.c:319
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870
irq event stamp: 2614
hardirqs last  enabled at (2613): [<ffff8000088b91b4>] ___slab_alloc+0xc48/0xdbc mm/slub.c:2963
hardirqs last disabled at (2614): [<ffff800011943708>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:387
softirqs last  enabled at (982): [<ffff800008020ccc>] softirq_handle_end kernel/softirq.c:401 [inline]
softirqs last  enabled at (982): [<ffff800008020ccc>] __do_softirq+0xb5c/0xe20 kernel/softirq.c:587
softirqs last disabled at (963): [<ffff8000081b573c>] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline]
softirqs last disabled at (963): [<ffff8000081b573c>] invoke_softirq kernel/softirq.c:439 [inline]
softirqs last disabled at (963): [<ffff8000081b573c>] __irq_exit_rcu+0x28c/0x534 kernel/softirq.c:636
---[ end trace 600b3fba902896a4 ]---