------------[ cut here ]------------ VFS: brelse: Trying to free free buffer WARNING: CPU: 1 PID: 5592 at fs/buffer.c:1148 __brelse fs/buffer.c:1148 [inline] WARNING: CPU: 1 PID: 5592 at fs/buffer.c:1148 brelse include/linux/buffer_head.h:325 [inline] WARNING: CPU: 1 PID: 5592 at fs/buffer.c:1148 __invalidate_bh_lrus fs/buffer.c:1394 [inline] WARNING: CPU: 1 PID: 5592 at fs/buffer.c:1148 invalidate_bh_lru+0x130/0x228 fs/buffer.c:1407 Modules linked in: CPU: 1 PID: 5592 Comm: segctord Not tainted 5.15.173-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 pstate: 604000c5 (nZCv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __brelse fs/buffer.c:1148 [inline] pc : brelse include/linux/buffer_head.h:325 [inline] pc : __invalidate_bh_lrus fs/buffer.c:1394 [inline] pc : invalidate_bh_lru+0x130/0x228 fs/buffer.c:1407 lr : __brelse fs/buffer.c:1148 [inline] lr : brelse include/linux/buffer_head.h:325 [inline] lr : __invalidate_bh_lrus fs/buffer.c:1394 [inline] lr : invalidate_bh_lru+0x130/0x228 fs/buffer.c:1407 sp : ffff800008017df0 x29: ffff800008017df0 x28: ffff0000cc5951c0 x27: ffff800008a7943c x26: dfff800000000000 x25: 0000000000000001 x24: ffff0001b41bd298 x23: 0000000000000008 x22: dfff800000000000 x21: 0000000000000000 x20: ffff0000cbbe5ee0 x19: ffff800011cbd320 x18: 0000000000010002 x17: 0000000000010002 x16: ffff800011ab8a34 x15: 0000000000000063 x14: 1ffff0000295806a x13: dfff800000000000 x12: 0000000000000001 x11: 0000000000010002 x10: 0000000000010002 x9 : e9ba1a7f6521cc00 x8 : e9ba1a7f6521cc00 x7 : ffff80000832a09c x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff800008555e80 x2 : 0000000000000001 x1 : 0000000100010002 x0 : 0000000000000027 Call trace: __brelse fs/buffer.c:1148 [inline] brelse include/linux/buffer_head.h:325 [inline] __invalidate_bh_lrus fs/buffer.c:1394 [inline] invalidate_bh_lru+0x130/0x228 fs/buffer.c:1407 flush_smp_call_function_queue+0x3d0/0x8c4 kernel/smp.c:628 generic_smp_call_function_single_interrupt+0x18/0x24 kernel/smp.c:544 do_handle_IPI arch/arm64/kernel/smp.c:904 [inline] ipi_handler+0x15c/0x7d4 arch/arm64/kernel/smp.c:950 handle_percpu_devid_irq+0x29c/0x7fc kernel/irq/chip.c:930 generic_handle_irq_desc include/linux/irqdesc.h:158 [inline] handle_irq_desc kernel/irq/irqdesc.c:652 [inline] handle_domain_irq+0xec/0x178 kernel/irq/irqdesc.c:707 gic_handle_irq+0x78/0x1c8 drivers/irqchip/irq-gic-v3.c:765 call_on_irq_stack+0x24/0x4c arch/arm64/kernel/entry.S:899 do_interrupt_handler+0x74/0x94 arch/arm64/kernel/entry-common.c:267 el1_interrupt+0x30/0x58 arch/arm64/kernel/entry-common.c:454 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:470 el1h_64_irq+0x78/0x7c arch/arm64/kernel/entry.S:522 arch_local_irq_restore arch/arm64/include/asm/irqflags.h:122 [inline] console_unlock+0xca0/0x1394 kernel/printk/printk.c:2748 vprintk_emit+0x140/0x21c kernel/printk/printk.c:2274 vprintk_default+0xa0/0xe4 kernel/printk/printk.c:2289 vprintk+0x200/0x2d4 kernel/printk/printk_safe.c:45 _printk+0xdc/0x128 kernel/printk/printk.c:2299 __nilfs_msg+0x2e4/0x37c fs/nilfs2/super.c:78 nilfs_segctor_thread+0x1f0/0xe60 fs/nilfs2/segment.c:2625 kthread+0x37c/0x45c kernel/kthread.c:334 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870 irq event stamp: 26 hardirqs last enabled at (25): [] console_unlock+0xc7c/0x1394 kernel/printk/printk.c:2748 hardirqs last disabled at (26): [] enter_el1_irq_or_nmi+0x10/0x1c arch/arm64/kernel/entry-common.c:227 softirqs last enabled at (0): [] copy_process+0x12c4/0x3750 kernel/fork.c:2150 softirqs last disabled at (0): [<0000000000000000>] 0x0 ---[ end trace ec8159b6d5e74d2f ]---