NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds ------------[ cut here ]------------ WARNING: CPU: 0 PID: 3805 at fs/nilfs2/btree.c:2275 nilfs_btree_assign+0x4dc/0x4e8 fs/nilfs2/btree.c:2275 Modules linked in: CPU: 0 PID: 3805 Comm: segctord Not tainted 6.0.0-rc6-syzkaller-17742-gc194837ebb57 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : nilfs_btree_assign+0x4dc/0x4e8 fs/nilfs2/btree.c:2275 lr : nilfs_btree_assign+0x4dc/0x4e8 fs/nilfs2/btree.c:2275 sp : ffff800012bb3ad0 x29: ffff800012bb3b20 x28: ffff800012bb3bf8 x27: 0000000000000000 x26: 0000000000000000 x25: 0000000000000001 x24: 00000000fffffffe x23: ffff800012bb3bf0 x22: ffff0000cae96508 x21: 000000000000008e x20: 0000000000040013 x19: ffff0000c7019c00 x18: 0000000000000392 x17: ffff80000bffd6bc x16: 0000000000000000 x15: 0000000000000000 x14: 0000000000000000 x13: 00000000ffffffef x12: ffff80000d569440 x11: ff80800008f5e06c x10: 0000000000000000 x9 : ffff800008f5e06c x8 : ffff0000c4c00000 x7 : ffff8000083d41c8 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000020000 x3 : 000000000000000a x2 : 0000000000000000 x1 : 00000000fffffffe x0 : 00000000fffffffe Call trace: nilfs_btree_assign+0x4dc/0x4e8 fs/nilfs2/btree.c:2275 nilfs_bmap_assign+0x54/0xc0 fs/nilfs2/bmap.c:382 nilfs_segctor_update_payload_blocknr+0x1a8/0x3c8 fs/nilfs2/segment.c:1589 nilfs_segctor_assign fs/nilfs2/segment.c:1623 [inline] nilfs_segctor_do_construct+0x740/0xee8 fs/nilfs2/segment.c:2050 nilfs_segctor_construct+0xa0/0x380 fs/nilfs2/segment.c:2375 nilfs_segctor_thread_construct fs/nilfs2/segment.c:2483 [inline] nilfs_segctor_thread+0x180/0x660 fs/nilfs2/segment.c:2566 kthread+0x12c/0x158 kernel/kthread.c:376 ret_from_fork+0x10/0x20 irq event stamp: 1378 hardirqs last enabled at (1377): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] hardirqs last enabled at (1377): [] _raw_spin_unlock_irqrestore+0x48/0x8c kernel/locking/spinlock.c:194 hardirqs last disabled at (1378): [] el1_dbg+0x24/0x5c arch/arm64/kernel/entry-common.c:404 softirqs last enabled at (0): [] copy_process+0x948/0x171c kernel/fork.c:2202 softirqs last disabled at (0): [<0000000000000000>] 0x0 ---[ end trace 0000000000000000 ]---