------------[ cut here ]------------
VFS: brelse: Trying to free free buffer
WARNING: CPU: 0 PID: 287 at fs/buffer.c:1145 __brelse fs/buffer.c:1145 [inline]
WARNING: CPU: 0 PID: 287 at fs/buffer.c:1145 brelse include/linux/buffer_head.h:326 [inline]
WARNING: CPU: 0 PID: 287 at fs/buffer.c:1145 __invalidate_bh_lrus fs/buffer.c:1380 [inline]
WARNING: CPU: 0 PID: 287 at fs/buffer.c:1145 invalidate_bh_lru+0x128/0x200 fs/buffer.c:1393
Modules linked in:
CPU: 0 PID: 287 Comm: kworker/u4:5 Not tainted 6.1.89-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Workqueue: bat_events batadv_purge_orig
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 : ffff800008007df0
x29: ffff800008007df0 x28: 0000000000000000 x27: 0000000000000000
x26: 0000000000000001 x25: 00000000ffffffff x24: ffff0001b4366698
x23: 0000000000000038 x22: dfff800000000000 x21: 0000000000000000
x20: ffff0000fad6b970 x19: ffff800012381bc0 x18: ffff0000dd1b1e50
x17: 0000000000000000 x16: ffff8000120adc40 x15: 0000000000010003
x14: 00000000ffffffff x13: 0000000000000001 x12: 0000000000000001
x11: 0000000000ff0100 x10: 0000000000010001 x9 : c319335795a21900
x8 : c319335795a21900 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff8000080076d8 x4 : ffff800015932b00 x3 : ffff80000834e968
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: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_enable arch/arm64/include/asm/irqflags.h:35 [inline]
 __local_bh_enable_ip+0x238/0x470 kernel/softirq.c:401
 __raw_spin_unlock_bh include/linux/spinlock_api_smp.h:167 [inline]
 _raw_spin_unlock_bh+0x48/0x58 kernel/locking/spinlock.c:210
 spin_unlock_bh include/linux/spinlock.h:396 [inline]
 batadv_purge_orig_ref+0x1150/0x122c net/batman-adv/originator.c:1259
 batadv_purge_orig+0x20/0x70 net/batman-adv/originator.c:1272
 process_one_work+0x7ac/0x1404 kernel/workqueue.c:2292
 worker_thread+0x8e4/0xfec kernel/workqueue.c:2439
 kthread+0x250/0x2d8 kernel/kthread.c:376
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:864
irq event stamp: 7506352
hardirqs last  enabled at (7506351): [<ffff8000081c784c>] __local_bh_enable_ip+0x230/0x470 kernel/softirq.c:401
hardirqs last disabled at (7506352): [<ffff80001215d684>] __el1_irq arch/arm64/kernel/entry-common.c:468 [inline]
hardirqs last disabled at (7506352): [<ffff80001215d684>] el1_interrupt+0x24/0x68 arch/arm64/kernel/entry-common.c:486
softirqs last  enabled at (7506350): [<ffff800011ed9d78>] spin_unlock_bh include/linux/spinlock.h:396 [inline]
softirqs last  enabled at (7506350): [<ffff800011ed9d78>] batadv_purge_orig_ref+0x1150/0x122c net/batman-adv/originator.c:1259
softirqs last disabled at (7506348): [<ffff800011ed8d8c>] spin_lock_bh include/linux/spinlock.h:356 [inline]
softirqs last disabled at (7506348): [<ffff800011ed8d8c>] batadv_purge_orig_ref+0x164/0x122c net/batman-adv/originator.c:1243
---[ end trace 0000000000000000 ]---