XFS (loop1): Please unmount the filesystem and rectify the problem(s). ------------[ cut here ]------------ ODEBUG: activate active (active state 1) object type: rcu_head hint: 0x0 WARNING: CPU: 1 PID: 77 at lib/debugobjects.c:505 debug_print_object lib/debugobjects.c:502 [inline] WARNING: CPU: 1 PID: 77 at lib/debugobjects.c:505 debug_object_activate+0x2c0/0x300 lib/debugobjects.c:674 Modules linked in: CPU: 1 PID: 77 Comm: kworker/1:1H Not tainted 6.1.0-rc8-syzkaller-33330-ga5541c0811a0 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Workqueue: xfs-log/loop1 xlog_ioend_work pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : debug_print_object lib/debugobjects.c:502 [inline] pc : debug_object_activate+0x2c0/0x300 lib/debugobjects.c:674 lr : debug_print_object lib/debugobjects.c:502 [inline] lr : debug_object_activate+0x2c0/0x300 lib/debugobjects.c:674 sp : ffff80000fbbb880 x29: ffff80000fbbb880 x28: 0000000000000001 x27: 0000000000000000 x26: 0000000000000000 x25: 0000000000000000 x24: ffff0001238bc250 x23: ffff80000c0cec40 x22: ffff00011cb1cb18 x21: ffff80000f143000 x20: ffff80000c0cec40 x19: ffff0000c6d79b38 x18: 000000000000026a x17: ffff80000c0cd83c x16: ffff80000dbe6158 x15: ffff0000c21eb480 x14: 0000000000000000 x13: 00000000ffffffff x12: ffff0000c21eb480 x11: ff808000081c4d64 x10: 0000000000000000 x9 : c77577573b563000 x8 : c77577573b563000 x7 : ffff80000816678c x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 x2 : ffff0001fefddcd0 x1 : 0000000100000000 x0 : 0000000000000048 Call trace: debug_print_object lib/debugobjects.c:502 [inline] debug_object_activate+0x2c0/0x300 lib/debugobjects.c:674 debug_rcu_head_queue kernel/rcu/rcu.h:189 [inline] call_rcu+0x40/0x494 kernel/rcu/tree.c:2783 xfs_buf_rele+0x654/0x780 xfs_buf_relse fs/xfs/xfs_buf.h:286 [inline] xfs_buf_ioend+0x214/0x228 fs/xfs/xfs_buf.c:1339 xfs_buf_ioend_fail+0x58/0x68 fs/xfs/xfs_buf.c:1397 xfs_buf_item_unpin+0x18c/0x280 fs/xfs/xfs_buf_item.c:549 xfs_trans_committed_bulk+0x190/0x460 fs/xfs/xfs_trans.c:806 xlog_cil_committed+0xcc/0x340 fs/xfs/xfs_log_cil.c:795 xlog_cil_process_committed+0x6c/0xa8 fs/xfs/xfs_log_cil.c:823 xlog_state_shutdown_callbacks+0xac/0x140 fs/xfs/xfs_log.c:538 xlog_force_shutdown+0x1ac/0x230 fs/xfs/xfs_log.c:3821 xlog_ioend_work+0x68/0xa0 fs/xfs/xfs_log.c:1402 process_one_work+0x2d8/0x504 kernel/workqueue.c:2289 worker_thread+0x340/0x610 kernel/workqueue.c:2436 kthread+0x12c/0x158 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:863 irq event stamp: 3548 hardirqs last enabled at (3547): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1366 [inline] hardirqs last enabled at (3547): [] finish_lock_switch+0x94/0xe8 kernel/sched/core.c:4968 hardirqs last disabled at (3548): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (3540): [] _stext+0x2e4/0x37c softirqs last disabled at (3191): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ ODEBUG: active_state active (active state 1) object type: rcu_head hint: 0x0 WARNING: CPU: 1 PID: 77 at lib/debugobjects.c:505 debug_print_object lib/debugobjects.c:502 [inline] WARNING: CPU: 1 PID: 77 at lib/debugobjects.c:505 debug_object_active_state+0x1b0/0x1dc lib/debugobjects.c:950 Modules linked in: CPU: 1 PID: 77 Comm: kworker/1:1H Tainted: G W 6.1.0-rc8-syzkaller-33330-ga5541c0811a0 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Workqueue: xfs-log/loop1 xlog_ioend_work pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : debug_print_object lib/debugobjects.c:502 [inline] pc : debug_object_active_state+0x1b0/0x1dc lib/debugobjects.c:950 lr : debug_print_object lib/debugobjects.c:502 [inline] lr : debug_object_active_state+0x1b0/0x1dc lib/debugobjects.c:950 sp : ffff80000fbbb880 x29: ffff80000fbbb880 x28: 0000000000000001 x27: 0000000000000000 x26: 0000000000000000 x25: 0000000000000000 x24: ffff00011cb1cb18 x23: 0000000000000000 x22: 0000000000000001 x21: ffff80000f03d9e0 x20: ffff80000c0cec40 x19: ffff80000f143000 x18: 000000000000026a x17: 65685f756372203a x16: ffff80000dbe6158 x15: ffff0000c21eb480 x14: 0000000000000000 x13: 00000000ffffffff x12: ffff0000c21eb480 x11: ff808000081c4d64 x10: 0000000000000000 x9 : c77577573b563000 x8 : c77577573b563000 x7 : ffff80000c091ebc x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000000 x1 : 0000000100000000 x0 : 000000000000004c Call trace: debug_print_object lib/debugobjects.c:502 [inline] debug_object_active_state+0x1b0/0x1dc lib/debugobjects.c:950 debug_rcu_head_queue kernel/rcu/rcu.h:190 [inline] call_rcu+0x58/0x494 kernel/rcu/tree.c:2783 xfs_buf_rele+0x654/0x780 xfs_buf_relse fs/xfs/xfs_buf.h:286 [inline] xfs_buf_ioend+0x214/0x228 fs/xfs/xfs_buf.c:1339 xfs_buf_ioend_fail+0x58/0x68 fs/xfs/xfs_buf.c:1397 xfs_buf_item_unpin+0x18c/0x280 fs/xfs/xfs_buf_item.c:549 xfs_trans_committed_bulk+0x190/0x460 fs/xfs/xfs_trans.c:806 xlog_cil_committed+0xcc/0x340 fs/xfs/xfs_log_cil.c:795 xlog_cil_process_committed+0x6c/0xa8 fs/xfs/xfs_log_cil.c:823 xlog_state_shutdown_callbacks+0xac/0x140 fs/xfs/xfs_log.c:538 xlog_force_shutdown+0x1ac/0x230 fs/xfs/xfs_log.c:3821 xlog_ioend_work+0x68/0xa0 fs/xfs/xfs_log.c:1402 process_one_work+0x2d8/0x504 kernel/workqueue.c:2289 worker_thread+0x340/0x610 kernel/workqueue.c:2436 kthread+0x12c/0x158 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:863 irq event stamp: 3758 hardirqs last enabled at (3757): [] __up_console_sem+0xb0/0xfc kernel/printk/printk.c:261 hardirqs last disabled at (3758): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (3728): [] _stext+0x2e4/0x37c softirqs last disabled at (3551): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]--- rcu: call_rcu(): Double-freed CB 0000000027a412af->0x0()!!! slab xfs_buf start ffff0000c6d798c0 pointer offset 632