------------[ cut here ]------------ VFS: brelse: Trying to free free buffer WARNING: CPU: 1 PID: 8055 at fs/buffer.c:1145 __brelse fs/buffer.c:1145 [inline] WARNING: CPU: 1 PID: 8055 at fs/buffer.c:1145 brelse include/linux/buffer_head.h:326 [inline] WARNING: CPU: 1 PID: 8055 at fs/buffer.c:1145 __invalidate_bh_lrus fs/buffer.c:1380 [inline] WARNING: CPU: 1 PID: 8055 at fs/buffer.c:1145 invalidate_bh_lru+0x128/0x200 fs/buffer.c:1393 Modules linked in: CPU: 1 PID: 8055 Comm: syz-executor.1 Not tainted 6.1.89-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 pstate: 604010c5 (nZCv daIF +PAN -UAO -TCO -DIT +SSBS BTYPE=--) pc : __brelse fs/buffer.c:1145 [inline] pc : brelse include/linux/buffer_head.h:326 [inline] pc : __invalidate_bh_lrus fs/buffer.c:1380 [inline] pc : invalidate_bh_lru+0x128/0x200 fs/buffer.c:1393 lr : __brelse fs/buffer.c:1145 [inline] lr : brelse include/linux/buffer_head.h:326 [inline] lr : __invalidate_bh_lrus fs/buffer.c:1380 [inline] lr : invalidate_bh_lru+0x128/0x200 fs/buffer.c:1393 sp : ffff800008017df0 x29: ffff800008017df0 x28: 0000000000000000 x27: 0000000000000000 x26: 0000000000000001 x25: 00000000ffffffff x24: ffff0001b4387698 x23: 0000000000000048 x22: dfff800000000000 x21: 0000000000000000 x20: ffff0000dfab6970 x19: ffff800012381bc0 x18: 1ffff00003e18ed4 x17: 0000000000000000 x16: ffff8000121618dc x15: 0000000000010004 x14: 00000000ffffffff x13: 0000000000000001 x12: 0000000000000001 x11: 0000000000ff0100 x10: 0000000000010002 x9 : 485108384995a900 x8 : 485108384995a900 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff8000080176d8 x4 : ffff800015932b00 x3 : ffff80000858856c x2 : 0000000000000001 x1 : 0000000100010002 x0 : 0000000000000000 Call trace: __brelse fs/buffer.c:1145 [inline] brelse include/linux/buffer_head.h:326 [inline] __invalidate_bh_lrus fs/buffer.c:1380 [inline] invalidate_bh_lru+0x128/0x200 fs/buffer.c:1393 __flush_smp_call_function_queue+0x46c/0x1118 kernel/smp.c:641 generic_smp_call_function_single_interrupt+0x28/0x16c kernel/smp.c:557 do_handle_IPI arch/arm64/kernel/smp.c:876 [inline] ipi_handler+0x15c/0x86c arch/arm64/kernel/smp.c:922 handle_percpu_devid_irq+0x174/0x354 kernel/irq/chip.c:930 generic_handle_irq_desc include/linux/irqdesc.h:158 [inline] handle_irq_desc kernel/irq/irqdesc.c:651 [inline] generic_handle_domain_irq+0x7c/0xc4 kernel/irq/irqdesc.c:707 __gic_handle_irq drivers/irqchip/irq-gic-v3.c:737 [inline] __gic_handle_irq_from_irqson drivers/irqchip/irq-gic-v3.c:788 [inline] gic_handle_irq+0x70/0x1e4 drivers/irqchip/irq-gic-v3.c:832 call_on_irq_stack+0x24/0x4c arch/arm64/kernel/entry.S:893 do_interrupt_handler+0xd4/0x138 arch/arm64/kernel/entry-common.c:274 __el1_irq arch/arm64/kernel/entry-common.c:471 [inline] el1_interrupt+0x34/0x68 arch/arm64/kernel/entry-common.c:486 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:491 el1h_64_irq+0x64/0x68 arch/arm64/kernel/entry.S:581 arch_local_irq_restore arch/arm64/include/asm/irqflags.h:122 [inline] lock_acquire+0x2ac/0x7cc kernel/locking/lockdep.c:5665 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline] _raw_spin_lock+0x54/0x6c kernel/locking/spinlock.c:154 spin_lock include/linux/spinlock.h:351 [inline] locked_inode_to_wb_and_lock_list+0x174/0x2a4 fs/fs-writeback.c:316 inode_to_wb_and_lock_list fs/fs-writeback.c:342 [inline] inode_io_list_del+0x44/0x168 fs/fs-writeback.c:1256 evict+0xf0/0x68c fs/inode.c:653 iput_final fs/inode.c:1791 [inline] iput+0x7c0/0x8a4 fs/inode.c:1817 d_delete_notify include/linux/fsnotify.h:261 [inline] vfs_rmdir+0x330/0x43c fs/namei.c:4206 do_rmdir+0x2e0/0x720 fs/namei.c:4254 __do_sys_unlinkat fs/namei.c:4434 [inline] __se_sys_unlinkat fs/namei.c:4428 [inline] __arm64_sys_unlinkat+0xe0/0xfc fs/namei.c:4428 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 irq event stamp: 1347830 hardirqs last enabled at (1347829): [] seqcount_lockdep_reader_access include/linux/seqlock.h:104 [inline] hardirqs last enabled at (1347829): [] read_seqbegin+0xe8/0x178 include/linux/seqlock.h:836 hardirqs last disabled at (1347830): [] __el1_irq arch/arm64/kernel/entry-common.c:468 [inline] hardirqs last disabled at (1347830): [] el1_interrupt+0x24/0x68 arch/arm64/kernel/entry-common.c:486 softirqs last enabled at (1347604): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (1347602): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]---