------------[ cut here ]------------ VFS: brelse: Trying to free free buffer WARNING: CPU: 0 PID: 0 at fs/buffer.c:1257 __brelse fs/buffer.c:1257 [inline] WARNING: CPU: 0 PID: 0 at fs/buffer.c:1257 brelse include/linux/buffer_head.h:339 [inline] WARNING: CPU: 0 PID: 0 at fs/buffer.c:1257 __invalidate_bh_lrus fs/buffer.c:1492 [inline] WARNING: CPU: 0 PID: 0 at fs/buffer.c:1257 invalidate_bh_lru+0x128/0x200 fs/buffer.c:1505 Modules linked in: CPU: 0 PID: 0 Comm: swapper/0 Not tainted 6.5.0-rc7-syzkaller-gfe4469582053 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 pstate: 604000c5 (nZCv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __brelse fs/buffer.c:1257 [inline] pc : brelse include/linux/buffer_head.h:339 [inline] pc : __invalidate_bh_lrus fs/buffer.c:1492 [inline] pc : invalidate_bh_lru+0x128/0x200 fs/buffer.c:1505 lr : __brelse fs/buffer.c:1257 [inline] lr : brelse include/linux/buffer_head.h:339 [inline] lr : __invalidate_bh_lrus fs/buffer.c:1492 [inline] lr : invalidate_bh_lru+0x128/0x200 fs/buffer.c:1505 sp : ffff800080007e00 x29: ffff800080007e00 x28: ffff80008e09d3d8 x27: 0000000000000001 x26: 0000000000000001 x25: 00000000ffffffff x24: ffff0001b41e5dd8 x23: 0000000000000000 x22: dfff800000000000 x21: 0000000000000000 x20: ffff0000df1ec4e8 x19: ffff80008a7a8520 x18: 1fffe0003683adc6 x17: 0000000000000000 x16: ffff80008a572e30 x15: 0000000000000001 x14: 1fffe0003683ae2a x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000010002 x10: 0000000000000000 x9 : c70564ed84a2ad00 x8 : c70564ed84a2ad00 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff8000800076f8 x4 : ffff80008e17f000 x3 : ffff8000805a25e4 x2 : 0000000000000001 x1 : 0000000100010002 x0 : 0000000000000000 Call trace: __brelse fs/buffer.c:1257 [inline] brelse include/linux/buffer_head.h:339 [inline] __invalidate_bh_lrus fs/buffer.c:1492 [inline] invalidate_bh_lru+0x128/0x200 fs/buffer.c:1505 csd_do_func kernel/smp.c:131 [inline] __flush_smp_call_function_queue+0x4a0/0x1ffc kernel/smp.c:491 generic_smp_call_function_single_interrupt+0x18/0x24 kernel/smp.c:413 do_handle_IPI arch/arm64/kernel/smp.c:873 [inline] ipi_handler+0x1c8/0x714 arch/arm64/kernel/smp.c:919 handle_percpu_devid_irq+0x2a4/0x804 kernel/irq/chip.c:945 generic_handle_irq_desc include/linux/irqdesc.h:161 [inline] handle_irq_desc kernel/irq/irqdesc.c:672 [inline] generic_handle_domain_irq+0x7c/0xc4 kernel/irq/irqdesc.c:728 __gic_handle_irq drivers/irqchip/irq-gic-v3.c:771 [inline] __gic_handle_irq_from_irqson drivers/irqchip/irq-gic-v3.c:822 [inline] gic_handle_irq+0x70/0x1e8 drivers/irqchip/irq-gic-v3.c:866 call_on_irq_stack+0x24/0x4c arch/arm64/kernel/entry.S:882 do_interrupt_handler+0xd4/0x138 arch/arm64/kernel/entry-common.c:276 __el1_irq arch/arm64/kernel/entry-common.c:502 [inline] el1_interrupt+0x34/0x68 arch/arm64/kernel/entry-common.c:517 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:522 el1h_64_irq+0x64/0x68 arch/arm64/kernel/entry.S:587 __daif_local_irq_enable arch/arm64/include/asm/irqflags.h:33 [inline] arch_local_irq_enable+0x8/0xc arch/arm64/include/asm/irqflags.h:55 cpuidle_idle_call kernel/sched/idle.c:170 [inline] do_idle+0x1f0/0x4e8 kernel/sched/idle.c:282 cpu_startup_entry+0x24/0x28 kernel/sched/idle.c:379 rest_init+0x2dc/0x2f4 init/main.c:726 start_kernel+0x0/0x54c init/main.c:823 start_kernel+0x3e0/0x54c init/main.c:1068 __primary_switched+0xb8/0xc0 arch/arm64/kernel/head.S:523 irq event stamp: 152506 hardirqs last enabled at (152505): [] default_idle_call+0xf4/0x128 kernel/sched/idle.c:103 hardirqs last disabled at (152506): [] __el1_irq arch/arm64/kernel/entry-common.c:499 [inline] hardirqs last disabled at (152506): [] el1_interrupt+0x24/0x68 arch/arm64/kernel/entry-common.c:517 softirqs last enabled at (152494): [] softirq_handle_end kernel/softirq.c:399 [inline] softirqs last enabled at (152494): [] __do_softirq+0xac0/0xd54 kernel/softirq.c:582 softirqs last disabled at (151639): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]---