------------[ cut here ]------------ WARNING: CPU: 0 PID: 4068 at kernel/rcu/sync.c:193 rcu_sync_dtor+0x14c/0x170 kernel/rcu/sync.c:193 Modules linked in: CPU: 0 PID: 4068 Comm: kworker/0:4 Not tainted 5.15.167-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:40 sp : ffff800020397ad0 x29: ffff800020397ad0 x28: ffff0001b41a0100 x27: ffff0000cdab4218 x26: ffff0000d4e6e848 x25: ffff0001b41a4e00 x24: dfff800000000000 x23: 1fffe0001a9cdd09 x22: 1fffe0001a9cdc7f x21: dfff800000000000 x20: ffff0000d4e6e394 x19: ffff0000d4e6e390 x18: 0000000000000101 x17: 0000000000000000 x16: ffff800011ac23e0 x15: 0000000000000001 x14: 1ffff0000295806a x13: dfff800000000000 x12: 00000000117ba851 x11: 0000000000000000 x10: 0000000000000000 x9 : 0000000000000007 x8 : 0000000000000001 x7 : ffff80000821a1b8 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000008 x1 : ffff8000120c8040 x0 : ffff0000d4e6e390 Call trace: rcu_sync_dtor+0x14c/0x170 kernel/rcu/sync.c:193 percpu_free_rwsem+0x48/0x88 kernel/locking/percpu-rwsem.c:40 destroy_super_work+0x20/0x48 fs/super.c:164 process_one_work+0x790/0x11b8 kernel/workqueue.c:2310 worker_thread+0x910/0x1034 kernel/workqueue.c:2457 kthread+0x37c/0x45c kernel/kthread.c:334 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870 irq event stamp: 346882 hardirqs last enabled at (346881): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (346881): [] _raw_spin_unlock_irq+0x9c/0x134 kernel/locking/spinlock.c:202 hardirqs last disabled at (346882): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (346878): [] softirq_handle_end kernel/softirq.c:401 [inline] softirqs last enabled at (346878): [] handle_softirqs+0xb88/0xdbc kernel/softirq.c:586 softirqs last disabled at (346835): [] __do_softirq kernel/softirq.c:592 [inline] softirqs last disabled at (346835): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (346835): [] do_softirq+0xfc/0x1b0 kernel/softirq.c:459 ---[ end trace e79e50126106d6c1 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4068 at kernel/rcu/sync.c:194 rcu_sync_dtor+0xd8/0x170 kernel/rcu/sync.c:206 Modules linked in: CPU: 0 PID: 4068 Comm: kworker/0:4 Tainted: G W 5.15.167-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:40 sp : ffff800020397ad0 x29: ffff800020397ad0 x28: ffff0001b41a0100 x27: ffff0000cdab4218 x26: ffff0000d4e6e848 x25: ffff0001b41a4e00 x24: dfff800000000000 x23: 1fffe0001a9cdd09 x22: 1fffe0001a9cdc72 x21: dfff800000000000 x20: ffff0000d4e6e394 x19: ffff0000d4e6e390 x18: 0000000000000101 x17: 0000000000000000 x16: ffff800011ac23e0 x15: 0000000000000001 x14: 1ffff0000295806a x13: dfff800000000000 x12: 00000000117ba851 x11: 0000000000000000 x10: 0000000000000000 x9 : 0000000000000007 x8 : 0000000000000002 x7 : ffff80000821a1b8 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000008 x1 : ffff8000120c8040 x0 : ffff0000d4e6e390 Call trace: rcu_sync_dtor+0xd8/0x170 kernel/rcu/sync.c:206 percpu_free_rwsem+0x48/0x88 kernel/locking/percpu-rwsem.c:40 destroy_super_work+0x20/0x48 fs/super.c:164 process_one_work+0x790/0x11b8 kernel/workqueue.c:2310 worker_thread+0x910/0x1034 kernel/workqueue.c:2457 kthread+0x37c/0x45c kernel/kthread.c:334 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870 irq event stamp: 347004 hardirqs last enabled at (347003): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:81 [inline] hardirqs last enabled at (347003): [] exit_to_kernel_mode+0x100/0x178 arch/arm64/kernel/entry-common.c:91 hardirqs last disabled at (347004): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (346998): [] softirq_handle_end kernel/softirq.c:401 [inline] softirqs last enabled at (346998): [] handle_softirqs+0xb88/0xdbc kernel/softirq.c:586 softirqs last disabled at (346887): [] __do_softirq kernel/softirq.c:592 [inline] softirqs last disabled at (346887): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (346887): [] invoke_softirq kernel/softirq.c:439 [inline] softirqs last disabled at (346887): [] __irq_exit_rcu+0x268/0x4d8 kernel/softirq.c:641 ---[ end trace e79e50126106d6c2 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4068 at kernel/rcu/sync.c:204 rcu_sync_dtor+0xe0/0x170 kernel/rcu/sync.c:206 Modules linked in: CPU: 0 PID: 4068 Comm: kworker/0:4 Tainted: G W 5.15.167-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 : ffff800020397ad0 x29: ffff800020397ad0 x28: ffff0001b41a0100 x27: ffff0000cdab4218 x26: ffff0000d4e6e848 x25: ffff0001b41a4e00 x24: dfff800000000000 x23: 0000000000000002 x22: 1fffe0001a9cdc72 x21: dfff800000000000 x20: ffff0000d4e6e398 x19: ffff0000d4e6e390 x18: ffff8000203972a0 x17: 0000000000000000 x16: ffff80000824ecc0 x15: 0000000000000005 x14: ffff80001713e500 x13: dfff800000000000 x12: 0000000000000001 x11: 1fffe00018fd3004 x10: 0000000000000000 x9 : 7876629398af8100 x8 : 0000000000000002 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff800008250244 x2 : 0000000000000001 x1 : 0000000000000004 x0 : 0000000000000001 Call trace: rcu_sync_dtor+0xe0/0x170 kernel/rcu/sync.c:206 percpu_free_rwsem+0x48/0x88 kernel/locking/percpu-rwsem.c:40 destroy_super_work+0x20/0x48 fs/super.c:164 process_one_work+0x790/0x11b8 kernel/workqueue.c:2310 worker_thread+0x910/0x1034 kernel/workqueue.c:2457 kthread+0x37c/0x45c kernel/kthread.c:334 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870 irq event stamp: 347232 hardirqs last enabled at (347231): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] hardirqs last enabled at (347231): [] _raw_spin_unlock_irqrestore+0xac/0x158 kernel/locking/spinlock.c:194 hardirqs last disabled at (347232): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (347204): [] softirq_handle_end kernel/softirq.c:401 [inline] softirqs last enabled at (347204): [] handle_softirqs+0xb88/0xdbc kernel/softirq.c:586 softirqs last disabled at (347007): [] __do_softirq kernel/softirq.c:592 [inline] softirqs last disabled at (347007): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (347007): [] invoke_softirq kernel/softirq.c:439 [inline] softirqs last disabled at (347007): [] __irq_exit_rcu+0x268/0x4d8 kernel/softirq.c:641 ---[ end trace e79e50126106d6c3 ]---