------------[ cut here ]------------
VFS: brelse: Trying to free free buffer
WARNING: CPU: 0 PID: 4307 at fs/buffer.c:1145 __brelse fs/buffer.c:1145 [inline]
WARNING: CPU: 0 PID: 4307 at fs/buffer.c:1145 brelse include/linux/buffer_head.h:326 [inline]
WARNING: CPU: 0 PID: 4307 at fs/buffer.c:1145 __invalidate_bh_lrus fs/buffer.c:1380 [inline]
WARNING: CPU: 0 PID: 4307 at fs/buffer.c:1145 invalidate_bh_lru+0x128/0x200 fs/buffer.c:1393
Modules linked in:
CPU: 0 PID: 4307 Comm: syz-executor Not tainted 6.1.127-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
pstate: 604000c5 (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 : ffff800008007df0
x29: ffff800008007df0 x28: 0000000000000000 x27: 0000000000000000
x26: 0000000000000001 x25: 00000000ffffffff x24: ffff0001b3cee658
x23: 0000000000000008 x22: dfff800000000000 x21: 0000000000000000
x20: ffff0000cf437060 x19: ffff800012553780 x18: 1ffff0000422eed4
x17: 0000000000000000 x16: ffff80001232fa24 x15: 0000000000010003
x14: 00000000ffffffff x13: 0000000000000001 x12: 0000000000000001
x11: 0000000000ff0100 x10: 0000000000010001 x9 : 1d0a334bbc61e200
x8 : 1d0a334bbc61e200 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff8000080076d8 x4 : ffff800015b731c0 x3 : ffff800008586abc
x2 : 0000000000000001 x1 : 0000000100010001 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:878 [inline]
 ipi_handler+0x15c/0x86c arch/arm64/kernel/smp.c:924
 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:652 [inline]
 generic_handle_domain_irq+0x7c/0xc4 kernel/irq/irqdesc.c:708
 __gic_handle_irq drivers/irqchip/irq-gic-v3.c:744 [inline]
 __gic_handle_irq_from_irqson drivers/irqchip/irq-gic-v3.c:795 [inline]
 gic_handle_irq+0x70/0x1e4 drivers/irqchip/irq-gic-v3.c:839
 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]
 call_rcu+0x624/0xa40 kernel/rcu/tree.c:2880
 dentry_free+0xa8/0x174
 __dentry_kill+0x470/0x5e4 fs/dcache.c:625
 dentry_kill+0xc8/0x250
 dput+0x218/0x454 fs/dcache.c:918
 do_rmdir+0x2ec/0x720 fs/namei.c:4254
 __do_sys_unlinkat fs/namei.c:4432 [inline]
 __se_sys_unlinkat fs/namei.c:4426 [inline]
 __arm64_sys_unlinkat+0xe0/0xfc fs/namei.c:4426
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
 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: 961956
hardirqs last  enabled at (961955): [<ffff8000083915e4>] call_rcu+0x614/0xa40 kernel/rcu/tree.c:2880
hardirqs last disabled at (961956): [<ffff80001232b7f4>] __el1_irq arch/arm64/kernel/entry-common.c:468 [inline]
hardirqs last disabled at (961956): [<ffff80001232b7f4>] el1_interrupt+0x24/0x68 arch/arm64/kernel/entry-common.c:486
softirqs last  enabled at (961728): [<ffff800008030408>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (961726): [<ffff8000080303d4>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
---[ end trace 0000000000000000 ]---