NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds ------------[ cut here ]------------ WARNING: CPU: 1 PID: 19431 at fs/nilfs2/sufile.c:539 nilfs_sufile_set_segment_usage+0x4a0/0x5a4 fs/nilfs2/sufile.c:539 Modules linked in: CPU: 1 PID: 19431 Comm: segctord Not tainted 6.1.24-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 : ffff8000201a7480 x29: ffff8000201a7520 x28: dfff800000000000 x27: ffff00013aefd05c x26: ffff000139e64bc8 x25: ffff00013aefd050 x24: 0000000000000005 x23: ffff000139e63680 x22: 0000000000000364 x21: 000000000000ffff x20: ffff8000201a74e0 x19: ffff00014242f930 x18: ffff00014242f358 x17: ffff80019f0f2000 x16: 0000000000000000 x15: 0000000000000000 x14: 0000000000000000 x13: 00000000ffffffef x12: ffff000139e63680 x11: ff80800009dc2a84 x10: 0000000000000000 x9 : ffff800009dc2a84 x8 : ffff000139e63680 x7 : ffff800008750548 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff800008b23378 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+0x3d4/0xd74 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: 186 hardirqs last enabled at (185): [] kasan_quarantine_put+0xdc/0x204 mm/kasan/quarantine.c:242 hardirqs last disabled at (186): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (0): [] copy_process+0x13c0/0x38d0 kernel/fork.c:2204 softirqs last disabled at (0): [<0000000000000000>] 0x0 ---[ end trace 0000000000000000 ]---