------------[ cut here ]------------ do not call blocking ops when !TASK_RUNNING; state=1 set at [<00000000e1a110c6>] do_wait+0x1e4/0xa80 kernel/exit.c:1504 WARNING: CPU: 0 PID: 2200 at kernel/sched/core.c:9656 __might_sleep+0x10c/0x144 kernel/sched/core.c:9656 Modules linked in: CPU: 0 PID: 2200 Comm: syz-executor.1 Not tainted 5.17.0-syzkaller-13034-gd888c83fcec7 #0 Hardware name: linux,dummy-virt (DT) pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __might_sleep+0x10c/0x144 kernel/sched/core.c:9656 lr : __might_sleep+0x10c/0x144 kernel/sched/core.c:9656 sp : ffff800010e972f0 x29: ffff800010e972f0 x28: dfff800000000000 x27: 1fffe000020f7d19 x26: 1ffff00001c41fdc x25: 0000000000000000 x24: ffff80000ca2a0a0 x23: ffff00000a4a8000 x22: ffff00000a4a8000 x21: 0000000000000001 x20: 00000000000002fe x19: ffff80000ca29c60 x18: 0000000000000000 x17: 30303c5b20746120 x16: 74657320313d6574 x15: 617473203b474e49 x14: 1ffff000021d2d9c x13: 0000000000000001 x12: ffff60000d54419d x11: 1fffe0000d54419c x10: ffff60000d54419c x9 : dfff800000000000 x8 : ffff00006aa20ce3 x7 : 0000000000000001 x6 : 00009ffff2abbe64 x5 : ffff00006aa20ce0 x4 : 1fffe00001495001 x3 : dfff800000000000 x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff00000a4a8000 Call trace: __might_sleep+0x10c/0x144 kernel/sched/core.c:9656 blk_release_queue+0x30/0x25c block/blk-sysfs.c:766 kobject_cleanup lib/kobject.c:705 [inline] kobject_release lib/kobject.c:736 [inline] kref_put include/linux/kref.h:65 [inline] kobject_put+0x170/0x460 lib/kobject.c:753 blk_put_queue+0x14/0x20 block/blk-core.c:270 blkg_free.part.0+0xdc/0x1a0 block/blk-cgroup.c:86 blkg_free block/blk-cgroup.c:78 [inline] __blkg_release+0xbc/0x110 block/blk-cgroup.c:102 rcu_do_batch kernel/rcu/tree.c:2535 [inline] rcu_core+0xc60/0x1a00 kernel/rcu/tree.c:2786 rcu_core_si+0x10/0x20 kernel/rcu/tree.c:2803 _stext+0x3f4/0xff8 do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] invoke_softirq kernel/softirq.c:439 [inline] __irq_exit_rcu+0x208/0x4f0 kernel/softirq.c:637 irq_exit_rcu+0x14/0x80 kernel/softirq.c:649 __el1_irq arch/arm64/kernel/entry-common.c:459 [inline] el1_interrupt+0x38/0x54 arch/arm64/kernel/entry-common.c:473 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:478 el1h_64_irq+0x64/0x68 arch/arm64/kernel/entry.S:577 arch_local_irq_restore+0x8/0x10 arch/arm64/include/asm/irqflags.h:122 lock_is_held include/linux/lockdep.h:283 [inline] rcu_read_lock_sched_held+0x5c/0xd0 kernel/rcu/update.c:125 trace_lock_acquire include/trace/events/lock.h:13 [inline] lock_acquire+0x210/0x93c kernel/locking/lockdep.c:5612 __raw_read_lock include/linux/rwlock_api_smp.h:150 [inline] _raw_read_lock+0x100/0x200 kernel/locking/spinlock.c:228 do_wait+0x24c/0xa80 kernel/exit.c:1508 kernel_wait4+0xe4/0x260 kernel/exit.c:1681 __do_sys_wait4+0xfc/0x1e0 kernel/exit.c:1709 __se_sys_wait4 kernel/exit.c:1705 [inline] __arm64_sys_wait4+0x88/0xd0 kernel/exit.c:1705 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x6c/0x260 arch/arm64/kernel/syscall.c:52 el0_svc_common.constprop.0+0xc4/0x254 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x9c/0xcc arch/arm64/kernel/syscall.c:181 el0_svc+0x70/0x29c arch/arm64/kernel/entry-common.c:616 el0t_64_sync_handler+0x1a4/0x1b0 arch/arm64/kernel/entry-common.c:634 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:581 irq event stamp: 38614995 hardirqs last enabled at (38614994): [] __up_console_sem+0x78/0x84 kernel/printk/printk.c:264 hardirqs last disabled at (38614995): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:395 softirqs last enabled at (38614828): [] fpsimd_restore_current_state+0x60/0x110 arch/arm64/kernel/fpsimd.c:1255 softirqs last disabled at (38614837): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (38614837): [] invoke_softirq kernel/softirq.c:439 [inline] softirqs last disabled at (38614837): [] __irq_exit_rcu+0x208/0x4f0 kernel/softirq.c:637 ---[ end trace 0000000000000000 ]--- BUG: sleeping function called from invalid context at block/blk-sysfs.c:766 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 2200, name: syz-executor.1 preempt_count: 102, expected: 0 RCU nest depth: 0, expected: 0 1 lock held by syz-executor.1/2200: #0: ffff80000de84d20 (rcu_callback){....}-{0:0}, at: rcu_do_batch kernel/rcu/tree.c:2524 [inline] #0: ffff80000de84d20 (rcu_callback){....}-{0:0}, at: rcu_core+0xbf8/0x1a00 kernel/rcu/tree.c:2786 Preemption disabled at: [] do_wait+0x24c/0xa80 kernel/exit.c:1508 CPU: 0 PID: 2200 Comm: syz-executor.1 Tainted: G W 5.17.0-syzkaller-13034-gd888c83fcec7 #0 Hardware name: linux,dummy-virt (DT) Call trace: dump_backtrace+0x1e0/0x270 arch/arm64/kernel/stacktrace.c:184 show_stack+0x18/0x70 arch/arm64/kernel/stacktrace.c:191 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x9c/0xd8 lib/dump_stack.c:106 dump_stack+0x1c/0x38 lib/dump_stack.c:113 __might_resched+0x3c8/0x530 kernel/sched/core.c:9733 __might_sleep+0x90/0x144 kernel/sched/core.c:9662 blk_release_queue+0x30/0x25c block/blk-sysfs.c:766 kobject_cleanup lib/kobject.c:705 [inline] kobject_release lib/kobject.c:736 [inline] kref_put include/linux/kref.h:65 [inline] kobject_put+0x170/0x460 lib/kobject.c:753 blk_put_queue+0x14/0x20 block/blk-core.c:270 blkg_free.part.0+0xdc/0x1a0 block/blk-cgroup.c:86 blkg_free block/blk-cgroup.c:78 [inline] __blkg_release+0xbc/0x110 block/blk-cgroup.c:102 rcu_do_batch kernel/rcu/tree.c:2535 [inline] rcu_core+0xc60/0x1a00 kernel/rcu/tree.c:2786 rcu_core_si+0x10/0x20 kernel/rcu/tree.c:2803 _stext+0x3f4/0xff8 do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] invoke_softirq kernel/softirq.c:439 [inline] __irq_exit_rcu+0x208/0x4f0 kernel/softirq.c:637 irq_exit_rcu+0x14/0x80 kernel/softirq.c:649 __el1_irq arch/arm64/kernel/entry-common.c:459 [inline] el1_interrupt+0x38/0x54 arch/arm64/kernel/entry-common.c:473 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:478 el1h_64_irq+0x64/0x68 arch/arm64/kernel/entry.S:577 arch_local_irq_restore+0x8/0x10 arch/arm64/include/asm/irqflags.h:122 lock_is_held include/linux/lockdep.h:283 [inline] rcu_read_lock_sched_held+0x5c/0xd0 kernel/rcu/update.c:125 trace_lock_acquire include/trace/events/lock.h:13 [inline] lock_acquire+0x210/0x93c kernel/locking/lockdep.c:5612 __raw_read_lock include/linux/rwlock_api_smp.h:150 [inline] _raw_read_lock+0x100/0x200 kernel/locking/spinlock.c:228 do_wait+0x24c/0xa80 kernel/exit.c:1508 kernel_wait4+0xe4/0x260 kernel/exit.c:1681 __do_sys_wait4+0xfc/0x1e0 kernel/exit.c:1709 __se_sys_wait4 kernel/exit.c:1705 [inline] __arm64_sys_wait4+0x88/0xd0 kernel/exit.c:1705 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x6c/0x260 arch/arm64/kernel/syscall.c:52 el0_svc_common.constprop.0+0xc4/0x254 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x9c/0xcc arch/arm64/kernel/syscall.c:181 el0_svc+0x70/0x29c arch/arm64/kernel/entry-common.c:616 el0t_64_sync_handler+0x1a4/0x1b0 arch/arm64/kernel/entry-common.c:634 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:581 ================================ WARNING: inconsistent lock state 5.17.0-syzkaller-13034-gd888c83fcec7 #0 Tainted: G W -------------------------------- inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. syz-executor.1/2200 [HC0[0]:SC1[1]:HE0:SE0] takes: ffff0000107be828 (&xa->xa_lock#6){+.?.}-{2:2}, at: xa_destroy+0x8c/0x240 lib/xarray.c:2207 {SOFTIRQ-ON-W} state was registered at: lock_acquire kernel/locking/lockdep.c:5641 [inline] lock_acquire+0x568/0x93c kernel/locking/lockdep.c:5606 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline] _raw_spin_lock+0x8c/0x120 kernel/locking/spinlock.c:154 spin_lock include/linux/spinlock.h:349 [inline] xa_insert include/linux/xarray.h:772 [inline] blk_mq_init_hctx block/blk-mq.c:3501 [inline] blk_mq_alloc_and_init_hctx+0x384/0xd64 block/blk-mq.c:3962 blk_mq_realloc_hw_ctxs+0x258/0x350 block/blk-mq.c:3991 blk_mq_init_allocated_queue+0x3c8/0x1054 block/blk-mq.c:4053 blk_mq_init_queue_data block/blk-mq.c:3906 [inline] __blk_mq_alloc_disk+0xb4/0x15c block/blk-mq.c:3926 loop_add+0x29c/0x7ac drivers/block/loop.c:2011 loop_init+0x134/0x158 drivers/block/loop.c:2267 do_one_initcall+0x128/0x950 init/main.c:1298 do_initcall_level init/main.c:1371 [inline] do_initcalls init/main.c:1387 [inline] do_basic_setup init/main.c:1406 [inline] kernel_init_freeable+0x71c/0x7a0 init/main.c:1613 kernel_init+0x28/0x140 init/main.c:1502 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:867 irq event stamp: 38615163 hardirqs last enabled at (38615162): [] kasan_quarantine_put+0x108/0x254 mm/kasan/quarantine.c:231 hardirqs last disabled at (38615163): [] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline] hardirqs last disabled at (38615163): [] _raw_spin_lock_irqsave+0xfc/0x160 kernel/locking/spinlock.c:162 softirqs last enabled at (38614828): [] fpsimd_restore_current_state+0x60/0x110 arch/arm64/kernel/fpsimd.c:1255 softirqs last disabled at (38614837): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (38614837): [] invoke_softirq kernel/softirq.c:439 [inline] softirqs last disabled at (38614837): [] __irq_exit_rcu+0x208/0x4f0 kernel/softirq.c:637 other info that might help us debug this: Possible unsafe locking scenario: CPU0 ---- lock(&xa->xa_lock#6); lock(&xa->xa_lock#6); *** DEADLOCK *** 1 lock held by syz-executor.1/2200: #0: ffff80000de84d20 (rcu_callback){....}-{0:0}, at: rcu_do_batch kernel/rcu/tree.c:2524 [inline] #0: ffff80000de84d20 (rcu_callback){....}-{0:0}, at: rcu_core+0xbf8/0x1a00 kernel/rcu/tree.c:2786 stack backtrace: CPU: 0 PID: 2200 Comm: syz-executor.1 Tainted: G W 5.17.0-syzkaller-13034-gd888c83fcec7 #0 Hardware name: linux,dummy-virt (DT) Call trace: dump_backtrace+0x1e0/0x270 arch/arm64/kernel/stacktrace.c:184 show_stack+0x18/0x70 arch/arm64/kernel/stacktrace.c:191 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x9c/0xd8 lib/dump_stack.c:106 dump_stack+0x1c/0x38 lib/dump_stack.c:113 print_usage_bug.part.0+0x4c4/0x4e8 kernel/locking/lockdep.c:3935 print_usage_bug kernel/locking/lockdep.c:3905 [inline] valid_state kernel/locking/lockdep.c:3947 [inline] mark_lock_irq kernel/locking/lockdep.c:4156 [inline] mark_lock+0x1084/0x14b0 kernel/locking/lockdep.c:4607 mark_usage kernel/locking/lockdep.c:4502 [inline] __lock_acquire+0x1038/0x4b14 kernel/locking/lockdep.c:4983 lock_acquire kernel/locking/lockdep.c:5641 [inline] lock_acquire+0x568/0x93c kernel/locking/lockdep.c:5606 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0xa8/0x160 kernel/locking/spinlock.c:162 xa_destroy+0x8c/0x240 lib/xarray.c:2207 blk_mq_release+0x208/0x2e4 block/blk-mq.c:3887 blk_release_queue+0x100/0x25c block/blk-sysfs.c:780 kobject_cleanup lib/kobject.c:705 [inline] kobject_release lib/kobject.c:736 [inline] kref_put include/linux/kref.h:65 [inline] kobject_put+0x170/0x460 lib/kobject.c:753 blk_put_queue+0x14/0x20 block/blk-core.c:270 blkg_free.part.0+0xdc/0x1a0 block/blk-cgroup.c:86 blkg_free block/blk-cgroup.c:78 [inline] __blkg_release+0xbc/0x110 block/blk-cgroup.c:102 rcu_do_batch kernel/rcu/tree.c:2535 [inline] rcu_core+0xc60/0x1a00 kernel/rcu/tree.c:2786 rcu_core_si+0x10/0x20 kernel/rcu/tree.c:2803 _stext+0x3f4/0xff8 do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] invoke_softirq kernel/softirq.c:439 [inline] __irq_exit_rcu+0x208/0x4f0 kernel/softirq.c:637 irq_exit_rcu+0x14/0x80 kernel/softirq.c:649 __el1_irq arch/arm64/kernel/entry-common.c:459 [inline] el1_interrupt+0x38/0x54 arch/arm64/kernel/entry-common.c:473 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:478 el1h_64_irq+0x64/0x68 arch/arm64/kernel/entry.S:577 arch_local_irq_restore+0x8/0x10 arch/arm64/include/asm/irqflags.h:122 lock_is_held include/linux/lockdep.h:283 [inline] rcu_read_lock_sched_held+0x5c/0xd0 kernel/rcu/update.c:125 trace_lock_acquire include/trace/events/lock.h:13 [inline] lock_acquire+0x210/0x93c kernel/locking/lockdep.c:5612 __raw_read_lock include/linux/rwlock_api_smp.h:150 [inline] _raw_read_lock+0x100/0x200 kernel/locking/spinlock.c:228 do_wait+0x24c/0xa80 kernel/exit.c:1508 kernel_wait4+0xe4/0x260 kernel/exit.c:1681 __do_sys_wait4+0xfc/0x1e0 kernel/exit.c:1709 __se_sys_wait4 kernel/exit.c:1705 [inline] __arm64_sys_wait4+0x88/0xd0 kernel/exit.c:1705 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x6c/0x260 arch/arm64/kernel/syscall.c:52 el0_svc_common.constprop.0+0xc4/0x254 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x9c/0xcc arch/arm64/kernel/syscall.c:181 el0_svc+0x70/0x29c arch/arm64/kernel/entry-common.c:616 el0t_64_sync_handler+0x1a4/0x1b0 arch/arm64/kernel/entry-common.c:634 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:581 BUG: sleeping function called from invalid context at block/blk-sysfs.c:766 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 2191, name: syz-fuzzer preempt_count: 100, expected: 0 RCU nest depth: 0, expected: 0 INFO: lockdep is turned off. Preemption disabled at: [] _stext+0x15c/0xff8 CPU: 0 PID: 2191 Comm: syz-fuzzer Tainted: G W 5.17.0-syzkaller-13034-gd888c83fcec7 #0 Hardware name: linux,dummy-virt (DT) Call trace: dump_backtrace+0x1e0/0x270 arch/arm64/kernel/stacktrace.c:184 show_stack+0x18/0x70 arch/arm64/kernel/stacktrace.c:191 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x9c/0xd8 lib/dump_stack.c:106 dump_stack+0x1c/0x38 lib/dump_stack.c:113 __might_resched+0x3c8/0x530 kernel/sched/core.c:9733 __might_sleep+0x90/0x144 kernel/sched/core.c:9662 blk_release_queue+0x30/0x25c block/blk-sysfs.c:766 kobject_cleanup lib/kobject.c:705 [inline] kobject_release lib/kobject.c:736 [inline] kref_put include/linux/kref.h:65 [inline] kobject_put+0x170/0x460 lib/kobject.c:753 blk_put_queue+0x14/0x20 block/blk-core.c:270 blkg_free.part.0+0xdc/0x1a0 block/blk-cgroup.c:86 blkg_free block/blk-cgroup.c:78 [inline] __blkg_release+0xbc/0x110 block/blk-cgroup.c:102 rcu_do_batch kernel/rcu/tree.c:2535 [inline] rcu_core+0xc60/0x1a00 kernel/rcu/tree.c:2786 rcu_core_si+0x10/0x20 kernel/rcu/tree.c:2803 _stext+0x3f4/0xff8 do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] invoke_softirq kernel/softirq.c:439 [inline] __irq_exit_rcu+0x208/0x4f0 kernel/softirq.c:637 irq_exit_rcu+0x14/0x80 kernel/softirq.c:649 el0_interrupt+0x94/0x320 arch/arm64/kernel/entry-common.c:693 __el0_irq_handler_common+0x18/0x2c arch/arm64/kernel/entry-common.c:700 el0t_64_irq_handler+0x10/0x20 arch/arm64/kernel/entry-common.c:705 el0t_64_irq+0x18c/0x190 arch/arm64/kernel/entry.S:582