------------[ cut here ]------------ VFS: brelse: Trying to free free buffer WARNING: CPU: 0 PID: 8 at fs/buffer.c:1235 __brelse fs/buffer.c:1235 [inline] WARNING: CPU: 0 PID: 8 at fs/buffer.c:1235 brelse include/linux/buffer_head.h:309 [inline] WARNING: CPU: 0 PID: 8 at fs/buffer.c:1235 __invalidate_bh_lrus fs/buffer.c:1487 [inline] WARNING: CPU: 0 PID: 8 at fs/buffer.c:1235 invalidate_bh_lrus_cpu+0x148/0x1e4 fs/buffer.c:1533 Modules linked in: CPU: 0 PID: 8 Comm: kworker/0:1 Not tainted 6.9.0-rc3-syzkaller-gb5d2afe8745b #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 Workqueue: mm_percpu_wq lru_add_drain_per_cpu pstate: 604000c5 (nZCv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __brelse fs/buffer.c:1235 [inline] pc : brelse include/linux/buffer_head.h:309 [inline] pc : __invalidate_bh_lrus fs/buffer.c:1487 [inline] pc : invalidate_bh_lrus_cpu+0x148/0x1e4 fs/buffer.c:1533 lr : __brelse fs/buffer.c:1235 [inline] lr : brelse include/linux/buffer_head.h:309 [inline] lr : __invalidate_bh_lrus fs/buffer.c:1487 [inline] lr : invalidate_bh_lrus_cpu+0x148/0x1e4 fs/buffer.c:1533 sp : ffff800093be7a90 x29: ffff800093be7a90 x28: ffff70001277cf80 x27: dfff800000000000 x26: 0000000000000001 x25: 00000000ffffffff x24: ffff0001b3ddcfd0 x23: 0000000000000030 x22: dfff800000000000 x21: 0000000000000000 x20: ffff0000f41b7060 x19: ffff80008b0bba00 x18: 0000000000000008 x17: 0000000000000000 x16: ffff80008ae71340 x15: 0000000000000001 x14: 1fffe000367b9a02 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000000002 x10: 0000000000ff0100 x9 : 44eb368bf82de400 x8 : 44eb368bf82de400 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff800093be71f8 x4 : ffff80008ef65060 x3 : ffff8000805e9200 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000 Call trace: __brelse fs/buffer.c:1235 [inline] brelse include/linux/buffer_head.h:309 [inline] __invalidate_bh_lrus fs/buffer.c:1487 [inline] invalidate_bh_lrus_cpu+0x148/0x1e4 fs/buffer.c:1533 lru_add_and_bh_lrus_drain mm/swap.c:783 [inline] lru_add_drain_per_cpu+0x114/0x16c mm/swap.c:802 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3254 process_scheduled_works kernel/workqueue.c:3335 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3416 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 irq event stamp: 888246 hardirqs last enabled at (888245): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline] hardirqs last enabled at (888245): [] _raw_spin_unlock_irq+0x30/0x80 kernel/locking/spinlock.c:202 hardirqs last disabled at (888246): [] invalidate_bh_lrus_cpu+0x40/0x1e4 fs/buffer.c:1531 softirqs last enabled at (888238): [] softirq_handle_end kernel/softirq.c:400 [inline] softirqs last enabled at (888238): [] __do_softirq+0xb10/0xd2c kernel/softirq.c:583 softirqs last disabled at (888211): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:81 ---[ end trace 0000000000000000 ]--- kernel write not supported for file /input/mice (pid: 8 comm: kworker/0:1)