------------[ cut here ]------------
VFS: brelse: Trying to free free buffer
WARNING: CPU: 0 PID: 13 at fs/buffer.c:1229 __brelse fs/buffer.c:1229 [inline]
WARNING: CPU: 0 PID: 13 at fs/buffer.c:1229 brelse include/linux/buffer_head.h:324 [inline]
WARNING: CPU: 0 PID: 13 at fs/buffer.c:1229 __invalidate_bh_lrus fs/buffer.c:1498 [inline]
WARNING: CPU: 0 PID: 13 at fs/buffer.c:1229 invalidate_bh_lru+0x128/0x200 fs/buffer.c:1511
Modules linked in:
CPU: 0 UID: 0 PID: 13 Comm: kworker/u8:1 Tainted: G        W          6.13.0-rc6-syzkaller-g6251d1776bc5 #0
Tainted: [W]=WARN
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Workqueue: bat_events batadv_nc_worker
pstate: 604000c5 (nZCv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __brelse fs/buffer.c:1229 [inline]
pc : brelse include/linux/buffer_head.h:324 [inline]
pc : __invalidate_bh_lrus fs/buffer.c:1498 [inline]
pc : invalidate_bh_lru+0x128/0x200 fs/buffer.c:1511
lr : __brelse fs/buffer.c:1229 [inline]
lr : brelse include/linux/buffer_head.h:324 [inline]
lr : __invalidate_bh_lrus fs/buffer.c:1498 [inline]
lr : invalidate_bh_lru+0x128/0x200 fs/buffer.c:1511
sp : ffff800080007e10
x29: ffff800080007e10 x28: 0000000000000001 x27: ffff0000c19e8010
x26: 0000000000000001 x25: 00000000ffffffff x24: ffff0001b37f3998
x23: 0000000000000058 x22: dfff800000000000 x21: 0000000000000000
x20: ffff0000db383400 x19: ffff80008b842120 x18: 0000000000000008
x17: 0000000000000000 x16: ffff80008b60619c x15: ffff700011f43bc0
x14: 1ffff00011f43bc0 x13: 0000000000000004 x12: ffffffffffffffff
x11: 0000000000010003 x10: 0000000000ff0100 x9 : 32beb14338696d00
x8 : 32beb14338696d00 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff800080007538 x4 : ffff80008fa90460 x3 : ffff8000804a0b64
x2 : 0000000000000000 x1 : 0000000100010001 x0 : 0000000000000000
Call trace:
 __brelse fs/buffer.c:1229 [inline] (P)
 brelse include/linux/buffer_head.h:324 [inline] (P)
 __invalidate_bh_lrus fs/buffer.c:1498 [inline] (P)
 invalidate_bh_lru+0x128/0x200 fs/buffer.c:1511 (P)
 csd_do_func kernel/smp.c:134 [inline]
 __flush_smp_call_function_queue+0x520/0x20b4 kernel/smp.c:540
 generic_smp_call_function_single_interrupt+0x18/0x24 kernel/smp.c:457
 do_handle_IPI arch/arm64/kernel/smp.c:968 [inline]
 ipi_handler+0x1d8/0x7d4 arch/arm64/kernel/smp.c:1016
 handle_percpu_devid_irq+0x174/0x308 kernel/irq/chip.c:942
 generic_handle_irq_desc include/linux/irqdesc.h:173 [inline]
 handle_irq_desc kernel/irq/irqdesc.c:714 [inline]
 generic_handle_domain_irq+0x7c/0xc4 kernel/irq/irqdesc.c:770
 __gic_handle_irq drivers/irqchip/irq-gic-v3.c:865 [inline]
 __gic_handle_irq_from_irqson drivers/irqchip/irq-gic-v3.c:916 [inline]
 gic_handle_irq+0x6c/0x190 drivers/irqchip/irq-gic-v3.c:960
 call_on_irq_stack+0x24/0x4c arch/arm64/kernel/entry.S:891
 do_interrupt_handler+0xd4/0x138 arch/arm64/kernel/entry-common.c:310
 __el1_irq arch/arm64/kernel/entry-common.c:560 [inline]
 el1_interrupt+0x34/0x68 arch/arm64/kernel/entry-common.c:575
 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:580
 el1h_64_irq+0x6c/0x70 arch/arm64/kernel/entry.S:596
 validate_chain kernel/locking/lockdep.c:3904 [inline] (P)
 lock_release+0x0/0x9e4 kernel/locking/lockdep.c:5226 (P)
 rcu_read_unlock include/linux/rcupdate.h:880 [inline]
 batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:412 [inline]
 batadv_nc_worker+0x25c/0x580 net/batman-adv/network-coding.c:719
 process_one_work+0x7a8/0x15cc kernel/workqueue.c:3229
 process_scheduled_works kernel/workqueue.c:3310 [inline]
 worker_thread+0x97c/0xeec kernel/workqueue.c:3391
 kthread+0x288/0x310 kernel/kthread.c:389
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:862
irq event stamp: 2292958
hardirqs last  enabled at (2292957): [<ffff80008b6c876c>] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline]
hardirqs last  enabled at (2292957): [<ffff80008b6c876c>] _raw_spin_unlock_irq+0x30/0x80 kernel/locking/spinlock.c:202
hardirqs last disabled at (2292958): [<ffff80008b6a42b4>] __el1_irq arch/arm64/kernel/entry-common.c:557 [inline]
hardirqs last disabled at (2292958): [<ffff80008b6a42b4>] el1_interrupt+0x24/0x68 arch/arm64/kernel/entry-common.c:575
softirqs last  enabled at (2292950): [<ffff80008aedf974>] spin_unlock_bh include/linux/spinlock.h:396 [inline]
softirqs last  enabled at (2292950): [<ffff80008aedf974>] ieee80211_ibss_work+0x2a4/0x11f0 net/mac80211/ibss.c:1665
softirqs last disabled at (2292948): [<ffff80008aedf7a0>] spin_lock_bh include/linux/spinlock.h:356 [inline]
softirqs last disabled at (2292948): [<ffff80008aedf7a0>] ieee80211_ibss_work+0xd0/0x11f0 net/mac80211/ibss.c:1654
---[ end trace 0000000000000000 ]---