------------[ cut here ]------------ WARNING: CPU: 0 PID: 1753 at kernel/rcu/sync.c:177 rcu_sync_dtor+0xd8/0x178 kernel/rcu/sync.c:190 Modules linked in: CPU: 0 UID: 0 PID: 1753 Comm: kworker/0:2 Not tainted 6.11.0-rc5-syzkaller-gdf54f4a16f82 #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+0xd8/0x178 kernel/rcu/sync.c:190 lr : percpu_free_rwsem+0x48/0x88 kernel/locking/percpu-rwsem.c:42 sp : ffff80009d0c7a70 x29: ffff80009d0c7a70 x28: ffff700013a18f80 x27: ffff0000cb5cba18 x26: 1fffe00018210001 x25: ffff0000c1080000 x24: dfff800000000000 x23: 00000000000001cb x22: 1fffe00019a1946a x21: dfff800000000000 x20: ffff0000cd0ca350 x19: ffff0000cd0ca350 x18: dfff800000000000 x17: 0000000000000000 x16: ffff80008301a844 x15: 0000000000000001 x14: 1ffff00011eb2c64 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700011eb2c65 x10: 0000000000000003 x9 : 0000000000000003 x8 : 0000000000000002 x7 : 0000000000000000 x6 : 000000000000003f x5 : 0000000000000040 x4 : 0000000000000001 x3 : ffff800080b79668 x2 : 0000000000000001 x1 : ffff80008b9ab900 x0 : ffff0000cd0ca350 Call trace: rcu_sync_dtor+0xd8/0x178 kernel/rcu/sync.c:190 percpu_free_rwsem+0x48/0x88 kernel/locking/percpu-rwsem.c:42 destroy_super_work+0xec/0x154 fs/super.c:282 process_one_work+0x79c/0x15b8 kernel/workqueue.c:3231 process_scheduled_works kernel/workqueue.c:3312 [inline] worker_thread+0x978/0xec4 kernel/workqueue.c:3389 kthread+0x288/0x310 kernel/kthread.c:389 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 irq event stamp: 559068 hardirqs last enabled at (559067): [] kasan_quarantine_put+0x1a0/0x1c8 mm/kasan/quarantine.c:234 hardirqs last disabled at (559068): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:470 softirqs last enabled at (559060): [] spin_unlock_bh include/linux/spinlock.h:396 [inline] softirqs last enabled at (559060): [] ptr_ring_consume_bh include/linux/ptr_ring.h:367 [inline] softirqs last enabled at (559060): [] wg_packet_encrypt_worker+0x10a4/0x1134 drivers/net/wireguard/send.c:293 softirqs last disabled at (559058): [] spin_lock_bh include/linux/spinlock.h:356 [inline] softirqs last disabled at (559058): [] ptr_ring_consume_bh include/linux/ptr_ring.h:365 [inline] softirqs last disabled at (559058): [] wg_packet_encrypt_worker+0xe5c/0x1134 drivers/net/wireguard/send.c:293 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 1753 at kernel/rcu/sync.c:180 rcu_sync_dtor+0xe0/0x178 kernel/rcu/sync.c:190 Modules linked in: CPU: 0 UID: 0 PID: 1753 Comm: kworker/0:2 Tainted: G W 6.11.0-rc5-syzkaller-gdf54f4a16f82 #0 Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 Workqueue: events destroy_super_work pstate: 604000c5 (nZCv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : rcu_sync_dtor+0xe0/0x178 kernel/rcu/sync.c:190 lr : spin_lock_irq include/linux/spinlock.h:376 [inline] lr : rcu_sync_dtor+0x58/0x178 kernel/rcu/sync.c:179 sp : ffff80009d0c7a70 x29: ffff80009d0c7a70 x28: ffff700013a18f80 x27: ffff0000cb5cba18 x26: 1fffe00018210001 x25: ffff0000c1080000 x24: dfff800000000000 x23: 00000000000001cb x22: 1fffe00019a1946a x21: dfff800000000000 x20: ffff0000cd0ca358 x19: ffff0000cd0ca350 x18: dfff800000000000 x17: 0000000000000000 x16: ffff80008035e93c x15: ffff700013a18f34 x14: 1ffff00013a18f34 x13: 0000000000000004 x12: ffffffffffffffff x11: ffff700013a18f34 x10: 1ffff00013a18f34 x9 : 0000000000000000 x8 : 0000000000000001 x7 : ffff8000803d9e28 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff80008035ea64 x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000001 Call trace: rcu_sync_dtor+0xe0/0x178 kernel/rcu/sync.c:190 percpu_free_rwsem+0x48/0x88 kernel/locking/percpu-rwsem.c:42 destroy_super_work+0xec/0x154 fs/super.c:282 process_one_work+0x79c/0x15b8 kernel/workqueue.c:3231 process_scheduled_works kernel/workqueue.c:3312 [inline] worker_thread+0x978/0xec4 kernel/workqueue.c:3389 kthread+0x288/0x310 kernel/kthread.c:389 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 irq event stamp: 559168 hardirqs last enabled at (559167): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:85 [inline] hardirqs last enabled at (559167): [] exit_to_kernel_mode+0xdc/0x10c arch/arm64/kernel/entry-common.c:95 hardirqs last disabled at (559168): [] __raw_spin_lock_irq include/linux/spinlock_api_smp.h:117 [inline] hardirqs last disabled at (559168): [] _raw_spin_lock_irq+0x28/0x70 kernel/locking/spinlock.c:170 softirqs last enabled at (559162): [] softirq_handle_end kernel/softirq.c:400 [inline] softirqs last enabled at (559162): [] handle_softirqs+0xa3c/0xbfc kernel/softirq.c:582 softirqs last disabled at (559071): [] __do_softirq+0x14/0x20 kernel/softirq.c:588 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 1753 at kernel/rcu/sync.c:188 rcu_sync_dtor+0x108/0x178 Modules linked in: CPU: 0 UID: 0 PID: 1753 Comm: kworker/0:2 Tainted: G W 6.11.0-rc5-syzkaller-gdf54f4a16f82 #0 Tainted: [W]=WARN 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+0x108/0x178 lr : rcu_sync_dtor+0xb0/0x178 kernel/rcu/sync.c:187 sp : ffff80009d0c7a70 x29: ffff80009d0c7a70 x28: ffff700013a18f80 x27: ffff0000cb5cba18 x26: 1fffe00018210001 x25: ffff0000c1080000 x24: dfff800000000000 x23: 0000000000000002 x22: 1fffe00019a1946a x21: dfff800000000000 x20: ffff0000cd0ca358 x19: ffff0000cd0ca350 x18: 1fffe00036799fe6 x17: ffff80008f50d000 x16: ffff800080a86680 x15: 0000000000000001 x14: 1ffff00013a18f28 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013a18f29 x10: 1ffff00013a18f28 x9 : 8b114d43774b6900 x8 : 0000000000000002 x7 : ffff80008b3d4348 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff80008b3d4698 x2 : 0000000000000001 x1 : 0000000000000008 x0 : 0000000000000001 Call trace: rcu_sync_dtor+0x108/0x178 percpu_free_rwsem+0x48/0x88 kernel/locking/percpu-rwsem.c:42 destroy_super_work+0xec/0x154 fs/super.c:282 process_one_work+0x79c/0x15b8 kernel/workqueue.c:3231 process_scheduled_works kernel/workqueue.c:3312 [inline] worker_thread+0x978/0xec4 kernel/workqueue.c:3389 kthread+0x288/0x310 kernel/kthread.c:389 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 irq event stamp: 559378 hardirqs last enabled at (559377): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline] hardirqs last enabled at (559377): [] _raw_spin_unlock_irq+0x30/0x80 kernel/locking/spinlock.c:202 hardirqs last disabled at (559378): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:470 softirqs last enabled at (559350): [] softirq_handle_end kernel/softirq.c:400 [inline] softirqs last enabled at (559350): [] handle_softirqs+0xa3c/0xbfc kernel/softirq.c:582 softirqs last disabled at (559171): [] __do_softirq+0x14/0x20 kernel/softirq.c:588 ---[ end trace 0000000000000000 ]---