------------[ cut here ]------------ WARNING: CPU: 0 PID: 4443 at fs/buffer.c:1084 mark_buffer_dirty+0x2e8/0x574 fs/buffer.c:1084 Modules linked in: CPU: 0 PID: 4443 Comm: segctord Not tainted 5.15.168-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : mark_buffer_dirty+0x2e8/0x574 fs/buffer.c:1084 lr : mark_buffer_dirty+0x2e8/0x574 fs/buffer.c:1084 sp : ffff800020cb7560 x29: ffff800020cb7560 x28: ffff0000e34d3328 x27: dfff800000000000 x26: ffff0000dd2f2e20 x25: ffff0000dd2f2e10 x24: ffff0000d54f5820 x23: ffff800020cb7aa0 x22: ffff0000dd2f2678 x21: ffff0000d54f5800 x20: 0000000000000008 x19: ffff0000d04dc828 x18: ffff8000245b7a94 x17: 0000000000000000 x16: ffff8000083052d8 x15: 0000000000000012 x14: 1ffff0000295606a x13: dfff800000000000 x12: 0000000000000001 x11: 0000000000000001 x10: 0000000000000000 x9 : ffff0000dabc9b40 x8 : ffff800008a7518c x7 : ffff800009cfacd4 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff800008a74ed0 x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: mark_buffer_dirty+0x2e8/0x574 fs/buffer.c:1084 nilfs_segctor_collect_dirty_files fs/nilfs2/segment.c:2006 [inline] nilfs_segctor_do_construct+0x2c8/0x68f0 fs/nilfs2/segment.c:2068 nilfs_segctor_construct+0x13c/0x558 fs/nilfs2/segment.c:2453 nilfs_segctor_thread_construct fs/nilfs2/segment.c:2561 [inline] nilfs_segctor_thread+0x3e8/0xe60 fs/nilfs2/segment.c:2645 kthread+0x37c/0x45c kernel/kthread.c:334 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870 irq event stamp: 734 hardirqs last enabled at (733): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] hardirqs last enabled at (733): [] _raw_spin_unlock_irqrestore+0xac/0x158 kernel/locking/spinlock.c:194 hardirqs last disabled at (734): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (0): [] copy_process+0x12c4/0x3750 kernel/fork.c:2148 softirqs last disabled at (0): [<0000000000000000>] 0x0 ---[ end trace 6c57f560b40aae39 ]---