------------[ cut here ]------------ WARNING: CPU: 1 PID: 25 at kernel/rcu/sync.c:193 rcu_sync_dtor+0x14c/0x170 kernel/rcu/sync.c:193 Modules linked in: CPU: 1 PID: 25 Comm: kworker/1:1 Not tainted 5.15.165-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 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 : ffff800018c37ad0 x29: ffff800018c37ad0 x28: ffff0001b47e8100 x27: ffff0000c0b22418 x26: ffff0000eae06848 x25: ffff0001b47ece00 x24: dfff800000000000 x23: 1fffe0001d5c0d09 x22: 1fffe0001d5c0c7f x21: dfff800000000000 x20: ffff0000eae06394 x19: ffff0000eae06390 x18: 0000000000000001 x17: 0000000000000000 x16: ffff800011abc7d0 x15: 0000000000000001 x14: 1ffff0000295806a x13: dfff800000000000 x12: 0000000056699e2a x11: 0000000000000000 x10: 0000000000000000 x9 : 0000000000000007 x8 : 0000000000000001 x7 : ffff80000821a10c x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000008 x1 : ffff8000120b7500 x0 : ffff0000eae06390 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: 182382 hardirqs last enabled at (182381): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (182381): [] _raw_spin_unlock_irq+0x9c/0x134 kernel/locking/spinlock.c:202 hardirqs last disabled at (182382): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (182372): [] spin_unlock_bh include/linux/spinlock.h:408 [inline] softirqs last enabled at (182372): [] nsim_dev_trap_report drivers/net/netdevsim/dev.c:736 [inline] softirqs last enabled at (182372): [] nsim_dev_trap_report_work+0x610/0x90c drivers/net/netdevsim/dev.c:762 softirqs last disabled at (182370): [] spin_lock_bh include/linux/spinlock.h:368 [inline] softirqs last disabled at (182370): [] nsim_dev_trap_report drivers/net/netdevsim/dev.c:732 [inline] softirqs last disabled at (182370): [] nsim_dev_trap_report_work+0x58c/0x90c drivers/net/netdevsim/dev.c:762 ---[ end trace b4d83479b9f26bc9 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 25 at kernel/rcu/sync.c:194 rcu_sync_dtor+0xd8/0x170 kernel/rcu/sync.c:206 Modules linked in: CPU: 1 PID: 25 Comm: kworker/1:1 Tainted: G W 5.15.165-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 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 : ffff800018c37ad0 x29: ffff800018c37ad0 x28: ffff0001b47e8100 x27: ffff0000c0b22418 x26: ffff0000eae06848 x25: ffff0001b47ece00 x24: dfff800000000000 x23: 1fffe0001d5c0d09 x22: 1fffe0001d5c0c72 x21: dfff800000000000 x20: ffff0000eae06394 x19: ffff0000eae06390 x18: 0000000000000001 x17: 0000000000000000 x16: ffff800011abc7d0 x15: 0000000000000001 x14: 1ffff0000295806a x13: dfff800000000000 x12: 0000000056699e2a x11: 0000000000000000 x10: 0000000000000000 x9 : 0000000000000007 x8 : 0000000000000002 x7 : ffff80000821a10c x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000008 x1 : ffff8000120b7500 x0 : ffff0000eae06390 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: 182542 hardirqs last enabled at (182541): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:81 [inline] hardirqs last enabled at (182541): [] exit_to_kernel_mode+0x100/0x178 arch/arm64/kernel/entry-common.c:91 hardirqs last disabled at (182542): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (182536): [] softirq_handle_end kernel/softirq.c:401 [inline] softirqs last enabled at (182536): [] handle_softirqs+0xb88/0xdbc kernel/softirq.c:586 softirqs last disabled at (182385): [] __do_softirq kernel/softirq.c:592 [inline] softirqs last disabled at (182385): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (182385): [] invoke_softirq kernel/softirq.c:439 [inline] softirqs last disabled at (182385): [] __irq_exit_rcu+0x268/0x4d8 kernel/softirq.c:641 ---[ end trace b4d83479b9f26bca ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 25 at kernel/rcu/sync.c:204 rcu_sync_dtor+0xe0/0x170 kernel/rcu/sync.c:206 Modules linked in: CPU: 1 PID: 25 Comm: kworker/1:1 Tainted: G W 5.15.165-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 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 : ffff800018c37ad0 x29: ffff800018c37ad0 x28: ffff0001b47e8100 x27: ffff0000c0b22418 x26: ffff0000eae06848 x25: ffff0001b47ece00 x24: dfff800000000000 x23: 0000000000000002 x22: 1fffe0001d5c0c72 x21: dfff800000000000 x20: ffff0000eae06398 x19: ffff0000eae06390 x18: ffff800018c37240 x17: 1fffe000368fab8e x16: ffff8000088d487c x15: 000000000003af16 x14: 1ffff0000295806a x13: dfff800000000000 x12: 0000000000000001 x11: 1ffff00003186f34 x10: 0000000000000000 x9 : eab118b9f3e01a00 x8 : 0000000000000002 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff800011b83138 x2 : 0000000000000000 x1 : ffff0000c0d11b40 x0 : ffff0000c0d11b40 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: 182944 hardirqs last enabled at (182943): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (182943): [] _raw_spin_unlock_irq+0x9c/0x134 kernel/locking/spinlock.c:202 hardirqs last disabled at (182944): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (182926): [] softirq_handle_end kernel/softirq.c:401 [inline] softirqs last enabled at (182926): [] handle_softirqs+0xb88/0xdbc kernel/softirq.c:586 softirqs last disabled at (182545): [] __do_softirq kernel/softirq.c:592 [inline] softirqs last disabled at (182545): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (182545): [] invoke_softirq kernel/softirq.c:439 [inline] softirqs last disabled at (182545): [] __irq_exit_rcu+0x268/0x4d8 kernel/softirq.c:641 ---[ end trace b4d83479b9f26bcb ]---