NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds ------------[ cut here ]------------ WARNING: CPU: 1 PID: 23588 at fs/nilfs2/sufile.c:539 nilfs_sufile_set_segment_usage+0x4a0/0x5a4 fs/nilfs2/sufile.c:539 Modules linked in: CPU: 1 PID: 23588 Comm: segctord Not tainted 6.1.18-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : nilfs_sufile_set_segment_usage+0x4a0/0x5a4 fs/nilfs2/sufile.c:539 lr : nilfs_sufile_set_segment_usage+0x4a0/0x5a4 fs/nilfs2/sufile.c:539 sp : ffff800020027480 x29: ffff800020027520 x28: dfff800000000000 x27: ffff0000c212606c x26: ffff0001168b9548 x25: ffff0000c2126060 x24: 0000000000000006 x23: ffff0001168b8000 x22: 0000000000000204 x21: 0000000000000007 x20: ffff8000200274e0 x19: ffff00011493f930 x18: ffff00011493f572 x17: ffff80001572d000 x16: 0000000000000000 x15: 0000000000000000 x14: 0000000000000000 x13: 00000000ffffffef x12: ffff0001168b8000 x11: ff80800009e537bc x10: 0000000000000000 x9 : ffff800009e537bc x8 : ffff0001168b8000 x7 : ffff800008760b7c x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff800008b3d16c x2 : 0000000000000001 x1 : 0000000000000004 x0 : 0000000000000000 Call trace: nilfs_sufile_set_segment_usage+0x4a0/0x5a4 fs/nilfs2/sufile.c:539 nilfs_segctor_update_segusage fs/nilfs2/segment.c:1447 [inline] nilfs_segctor_do_construct+0x3d4c/0x6604 fs/nilfs2/segment.c:2071 nilfs_segctor_construct+0x110/0x768 fs/nilfs2/segment.c:2379 nilfs_segctor_thread_construct fs/nilfs2/segment.c:2487 [inline] nilfs_segctor_thread+0x3e0/0xd88 fs/nilfs2/segment.c:2570 kthread+0x24c/0x2d4 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 irq event stamp: 172 hardirqs last enabled at (171): [] kasan_quarantine_put+0xdc/0x204 mm/kasan/quarantine.c:242 hardirqs last disabled at (172): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (0): [] copy_process+0x13c0/0x38d0 kernel/fork.c:2201 softirqs last disabled at (0): [<0000000000000000>] 0x0 ---[ end trace 0000000000000000 ]---