------------[ cut here ]------------ WARNING: CPU: 0 PID: 4353 at fs/buffer.c:1081 mark_buffer_dirty+0x330/0x624 fs/buffer.c:1081 Modules linked in: CPU: 0 PID: 4353 Comm: syz-executor.0 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 : mark_buffer_dirty+0x330/0x624 fs/buffer.c:1081 lr : mark_buffer_dirty+0x330/0x624 fs/buffer.c:1081 sp : ffff80001db77010 x29: ffff80001db77010 x28: ffff0000dce50e08 x27: ffff0000d995aac0 x26: ffff0000dce507a0 x25: ffff0000d995a820 x24: dfff800000000000 x23: ffff0000dce51340 x22: ffff0000dce507b0 x21: 0000000000000000 x20: 0000000000000008 x19: ffff0000dc326828 x18: ffff800020aa74a0 x17: ffff80001558d000 x16: ffff80000831a744 x15: 0000000000042d29 x14: 1ffff00002ab20b0 x13: dfff800000000000 x12: 0000000000000001 x11: ff80800008b21c48 x10: 0000000000000000 x9 : ffff800008b21c48 x8 : ffff0000c8760000 x7 : ffff800009da9298 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff800008b21948 x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: mark_buffer_dirty+0x330/0x624 fs/buffer.c:1081 nilfs_segctor_collect_dirty_files fs/nilfs2/segment.c:1966 [inline] nilfs_segctor_do_construct+0x2d8/0x6604 fs/nilfs2/segment.c:2025 nilfs_segctor_construct+0x110/0x768 fs/nilfs2/segment.c:2379 nilfs_segctor_write_out fs/nilfs2/segment.c:2700 [inline] nilfs_segctor_destroy fs/nilfs2/segment.c:2733 [inline] nilfs_detach_log_writer+0x474/0x9dc fs/nilfs2/segment.c:2813 nilfs_put_super+0x4c/0x130 fs/nilfs2/super.c:477 generic_shutdown_super+0x130/0x328 fs/super.c:501 kill_block_super+0x70/0xdc fs/super.c:1450 deactivate_locked_super+0xac/0x124 fs/super.c:332 deactivate_super+0xf0/0x110 fs/super.c:363 cleanup_mnt+0x394/0x41c fs/namespace.c:1186 __cleanup_mnt+0x20/0x30 fs/namespace.c:1193 task_work_run+0x240/0x2f0 kernel/task_work.c:179 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] do_notify_resume+0x2144/0x3470 arch/arm64/kernel/signal.c:1132 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline] el0_svc+0x9c/0x168 arch/arm64/kernel/entry-common.c:638 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:581 irq event stamp: 3439318 hardirqs last enabled at (3439317): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] hardirqs last enabled at (3439317): [] _raw_spin_unlock_irqrestore+0x48/0xac kernel/locking/spinlock.c:194 hardirqs last disabled at (3439318): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (3439030): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (3439028): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs (loop0): unmounting filesystem. EXT4-fs (loop0): unmounting filesystem.