------------[ cut here ]------------ WARNING: CPU: 1 PID: 4340 at kernel/rcu/sync.c:193 rcu_sync_dtor+0x14c/0x170 kernel/rcu/sync.c:193 Modules linked in: CPU: 1 PID: 4340 Comm: kworker/1:5 Not tainted 6.1.110-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 Workqueue: events destroy_super_work pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : rcu_sync_dtor+0x14c/0x170 kernel/rcu/sync.c:193 lr : percpu_free_rwsem+0x48/0x88 kernel/locking/percpu-rwsem.c:42 sp : ffff8000216d7ad0 x29: ffff8000216d7ad0 x28: ffff0001b3d31800 x27: ffff0000f4cb88e0 x26: ffff0000d0532218 x25: 1fffe0001a0a6443 x24: dfff800000000000 x23: ffff0001b3d2c980 x22: 1fffe0001e99707f x21: dfff800000000000 x20: ffff0000f4cb8394 x19: ffff0000f4cb8390 x18: 1fffe000367a3376 x17: ffff8000159cd000 x16: ffff800012294c9c x15: ffff0001b3d19bbc x14: 1ffff00002b3a0b0 x13: dfff800000000000 x12: 00000000fd82de95 x11: 0000000000ff0100 x10: 0000000000000000 x9 : 0000000000000007 x8 : 0000000000000001 x7 : ffff80000822a634 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000124a9860 x2 : 0000000000000008 x1 : ffff8000128c7c60 x0 : ffff0000f4cb8390 Call trace: rcu_sync_dtor+0x14c/0x170 kernel/rcu/sync.c:193 percpu_free_rwsem+0x48/0x88 kernel/locking/percpu-rwsem.c:42 destroy_super_work+0x20/0x48 fs/super.c:163 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: 235856 hardirqs last enabled at (235855): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline] hardirqs last enabled at (235855): [] _raw_spin_unlock_irq+0x3c/0x90 kernel/locking/spinlock.c:202 hardirqs last disabled at (235856): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (235834): [] softirq_handle_end kernel/softirq.c:414 [inline] softirqs last enabled at (235834): [] handle_softirqs+0xb84/0xd58 kernel/softirq.c:599 softirqs last disabled at (235727): [] __do_softirq+0x14/0x20 kernel/softirq.c:605 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4340 at kernel/rcu/sync.c:194 rcu_sync_dtor+0xd8/0x170 kernel/rcu/sync.c:206 Modules linked in: CPU: 1 PID: 4340 Comm: kworker/1:5 Tainted: G W 6.1.110-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 Workqueue: events destroy_super_work pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : rcu_sync_dtor+0xd8/0x170 kernel/rcu/sync.c:206 lr : percpu_free_rwsem+0x48/0x88 kernel/locking/percpu-rwsem.c:42 sp : ffff8000216d7ad0 x29: ffff8000216d7ad0 x28: ffff0001b3d31800 x27: ffff0000f4cb88e0 x26: ffff0000d0532218 x25: 1fffe0001a0a6443 x24: dfff800000000000 x23: ffff0001b3d2c980 x22: 1fffe0001e997072 x21: dfff800000000000 x20: ffff0000f4cb8394 x19: ffff0000f4cb8390 x18: 1fffe000367a3376 x17: ffff8000159cd000 x16: ffff800012294c9c x15: ffff0001b3d19bbc x14: 1ffff00002b3a0b0 x13: dfff800000000000 x12: 00000000fd82de95 x11: 0000000000ff0100 x10: 0000000000000000 x9 : 0000000000000007 x8 : 0000000000000002 x7 : ffff80000822a634 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000124a9860 x2 : 0000000000000008 x1 : ffff8000128c7c60 x0 : ffff0000f4cb8390 Call trace: rcu_sync_dtor+0xd8/0x170 kernel/rcu/sync.c:206 percpu_free_rwsem+0x48/0x88 kernel/locking/percpu-rwsem.c:42 destroy_super_work+0x20/0x48 fs/super.c:163 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: 235956 hardirqs last enabled at (235955): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:84 [inline] hardirqs last enabled at (235955): [] exit_to_kernel_mode+0xe8/0x118 arch/arm64/kernel/entry-common.c:94 hardirqs last disabled at (235956): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (235940): [] softirq_handle_end kernel/softirq.c:414 [inline] softirqs last enabled at (235940): [] handle_softirqs+0xb84/0xd58 kernel/softirq.c:599 softirqs last disabled at (235861): [] __do_softirq+0x14/0x20 kernel/softirq.c:605 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4340 at kernel/rcu/sync.c:204 rcu_sync_dtor+0xe0/0x170 kernel/rcu/sync.c:206 Modules linked in: CPU: 1 PID: 4340 Comm: kworker/1:5 Tainted: G W 6.1.110-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 Workqueue: events destroy_super_work pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : rcu_sync_dtor+0xe0/0x170 kernel/rcu/sync.c:206 lr : rcu_sync_dtor+0xb0/0x170 kernel/rcu/sync.c:203 sp : ffff8000216d7ad0 x29: ffff8000216d7ad0 x28: ffff0001b3d31800 x27: ffff0000f4cb88e0 x26: ffff0000d0532218 x25: 1fffe0001a0a6443 x24: dfff800000000000 x23: 0000000000000002 x22: 1fffe0001e997072 x21: dfff800000000000 x20: ffff0000f4cb8398 x19: ffff0000f4cb8390 x18: 1fffe000367a3376 x17: ffff8000159cd000 x16: ffff80000897f748 x15: ffff0001b3d19bbc x14: 1ffff00002b3a0b0 x13: dfff800000000000 x12: 0000000000000001 x11: 1ffff000042daf34 x10: 0000000000000000 x9 : 01604ededf3dbe00 x8 : 0000000000000002 x7 : ffff800012365310 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff800012365670 x2 : 0000000000000000 x1 : ffff0000cf135340 x0 : ffff0000cf135340 Call trace: rcu_sync_dtor+0xe0/0x170 kernel/rcu/sync.c:206 percpu_free_rwsem+0x48/0x88 kernel/locking/percpu-rwsem.c:42 destroy_super_work+0x20/0x48 fs/super.c:163 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: 236020 hardirqs last enabled at (236019): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline] hardirqs last enabled at (236019): [] _raw_spin_unlock_irq+0x3c/0x90 kernel/locking/spinlock.c:202 hardirqs last disabled at (236020): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (235992): [] softirq_handle_end kernel/softirq.c:414 [inline] softirqs last enabled at (235992): [] handle_softirqs+0xb84/0xd58 kernel/softirq.c:599 softirqs last disabled at (235959): [] __do_softirq+0x14/0x20 kernel/softirq.c:605 ---[ end trace 0000000000000000 ]---