------------[ cut here ]------------ WARNING: CPU: 1 PID: 4544 at fs/nilfs2/ioctl.c:772 nilfs_ioctl_mark_blocks_dirty fs/nilfs2/ioctl.c:772 [inline] WARNING: CPU: 1 PID: 4544 at fs/nilfs2/ioctl.c:772 nilfs_ioctl_prepare_clean_segments+0x724/0x730 fs/nilfs2/ioctl.c:814 Modules linked in: CPU: 1 PID: 4544 Comm: syz.3.26 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : nilfs_ioctl_mark_blocks_dirty fs/nilfs2/ioctl.c:772 [inline] pc : nilfs_ioctl_prepare_clean_segments+0x724/0x730 fs/nilfs2/ioctl.c:814 lr : nilfs_ioctl_mark_blocks_dirty fs/nilfs2/ioctl.c:772 [inline] lr : nilfs_ioctl_prepare_clean_segments+0x724/0x730 fs/nilfs2/ioctl.c:814 sp : ffff800020e47600 x29: ffff800020e476a0 x28: dfff800000000000 x27: 0000000000000000 x26: ffff8000208ed1b0 x25: ffff8000208ed1a8 x24: 00000000fffffffe x23: 1ffff0000411da35 x22: 1ffff0000411da34 x21: ffff8000208ed190 x20: ffff0000f57f72c8 x19: 000000000000000b x18: 0000000000000000 x17: ffff80001835b000 x16: ffff8000082d92bc x15: 0000000000000002 x14: 00000000fffffffe x13: 0000000000ff0100 x12: 0000000000080000 x11: 000000000000d0ad x10: ffff800027179000 x9 : ffff800009c9d1cc x8 : 000000000000d0ae x7 : ffff80000805983c x6 : ffff800008059a4c x5 : ffff0000d8a305b8 x4 : ffff800020e46f20 x3 : ffff800008a90cc0 x2 : 0000000000000001 x1 : ffff800015880cb0 x0 : 00000000fffffffe Call trace: nilfs_ioctl_mark_blocks_dirty fs/nilfs2/ioctl.c:772 [inline] nilfs_ioctl_prepare_clean_segments+0x724/0x730 fs/nilfs2/ioctl.c:814 nilfs_clean_segments+0x148/0x870 fs/nilfs2/segment.c:2516 nilfs_ioctl_clean_segments fs/nilfs2/ioctl.c:940 [inline] nilfs_ioctl+0x22c0/0x2660 fs/nilfs2/ioctl.c:1304 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl fs/ioctl.c:856 [inline] __arm64_sys_ioctl+0x14c/0x1c8 fs/ioctl.c:856 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b4 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x130 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x128 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 irq event stamp: 12258 hardirqs last enabled at (12257): [] kasan_quarantine_put+0xc4/0x200 mm/kasan/quarantine.c:242 hardirqs last disabled at (12258): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (12124): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (12122): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- NILFS (loop3): error -2 preparing GC: cannot mark copying blocks dirty